CN215315133U

CN215315133U - Automobile panel flanging device

Info

Publication number: CN215315133U
Application number: CN202121241347.7U
Authority: CN
Inventors: 尹永铎; 田兴雷; 况亚
Original assignee: Botou Xingda Auto Mould Manufacturing Co ltd
Current assignee: Botou Xingda Auto Mould Manufacturing Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-12-28
Anticipated expiration: 2031-06-03

Abstract

The utility model provides an upper flanging device of an automobile covering part, which comprises a driving mechanism, a lever and an upper flanging sliding block, wherein the middle part of the lever is rotatably arranged on a fixed seat, and the lever is driven by the driving mechanism to swing; the driving mechanism comprises a driving guide post which moves up and down along the axial direction of the driving guide post, one end of a lever is inserted into a guide hole arranged on the driving guide post, the other end of the lever is inserted into a guide groove arranged on the turning slide block, and the upper turning slide block moves up and down under the driving of the lever. According to the upper flanging device for the automobile covering part, the lever drives the upper flanging block to perform flanging operation, and the guide hole is formed in the driving guide pillar to drive the lever driving wall to swing up and down, so that the movement stability of the upper flanging block is ensured, and the processing effect of an upper flanging process is more accurate; the structure is simple and compact, the size is small, the die space can be saved, the tool development cost is reduced, the production efficiency is improved, the upturning block is easy to replace, the upturning block is suitable for upturning operation of various covering parts, and the application range is wide.

Description

Automobile panel flanging device

Technical Field

The utility model relates to the technical field of automobile manufacturing, in particular to an upper flanging device for an automobile covering part.

Background

In order to meet the requirements of strength, function, shape and the like, the shape of an automobile covering part is often very complex. Due to the limitation of manufacturing cost control and the number of press machines, the simultaneous occurrence of the upper flanging content and the lower trimming content is often caused, and at the moment, the application of an upper flanging mechanism is needed, but the existing standard upper flanging mechanism is smaller and cannot realize the function of longer upper flanging. For a traditional non-standard flanging mechanism, the occupied space is large, the installation and debugging difficulty of a fitter is large, and the manufacturing cost is high.

A section of upward flanging exists on the lower side of the side wall tail lamp of a certain vehicle type, and only an upward flanging mechanism can be used due to the limitation of the number of processes and contents. Because the side wall die is large, the pressure machine tool is limited to be small, and a traditional non-standard upturning mechanism cannot be arranged. Therefore, the inclined wedge mechanism in the area needs to be improved and innovated, the function of upturning is realized, and a larger space cannot be occupied, so that the requirement of a press machine on the size of a die is met.

Disclosure of Invention

In view of the above, the present invention is directed to overcome the above-mentioned drawbacks of the prior art, and to provide a flanging device for automobile panels, which satisfies the requirements of compact structure and excellent flanging effect.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

an upper flanging device of an automobile covering part comprises a driving mechanism, a lever and an upper flanging sliding block, wherein the middle part of the lever is rotatably arranged on a fixed seat, and the lever swings under the driving of the driving mechanism;

the driving mechanism comprises a driving guide post which moves up and down along the axial direction of the driving guide post, one end of the lever is inserted into a guide hole formed in the driving guide post, the other end of the lever is inserted into a guide groove formed in the turning slide block, and the upper flanging slide block moves up and down under the driving of the lever to complete the upper flanging operation of the workpiece.

Furthermore, the end part of the lever in the guide hole is provided with an outward-expanding arc-shaped supporting bulge, and the arc-shaped edge of the supporting bulge is connected with the upper inner wall and the lower inner wall of the guide hole in a sliding manner.

Furthermore, a driving nitrogen spring is arranged above the driving guide pillar, the driving nitrogen spring stretches along the vertical direction, and the driving nitrogen spring drives the guide pillar to move downwards.

Furthermore, the device also comprises a guide sleeve with a fixed position, the guide sleeve is sleeved on the periphery of the driving guide pillar, and the driving guide pillar slides up and down along the inner wall of the guide sleeve.

Furthermore, the device also comprises a plurality of return nitrogen springs, each return nitrogen spring comprises a cylinder body and a telescopic rod, the cylinder body is fixed in position, and the telescopic rods drive the driving guide pillars to move upwards.

Furthermore, the telescopic rod further comprises a top block, the top block is vertically inserted into the upper part of the driving guide column, and the top end of the telescopic rod is connected with the bottom end of the top block in an abutting mode.

Further, the length of a power arm connected with the driving guide post by the lever is larger than that of a resistance arm connected with the upper flanging slide block by the lever.

Furthermore, a rotating shaft is arranged in the middle of the lever, and an arc-shaped concave surface matched with the bottom of the rotating shaft is arranged on the fixed seat.

The workpiece flanging device further comprises an upturning block, wherein the upturning block is fixedly assembled on the upturning slide block, and the upturning block is provided with an inclined plane or an outward convex cambered surface for flanging the workpiece.

Further, the device also comprises a slide block in-place limiting block, and the slide block in-place limiting block can prevent the upper flanging slide block from moving upwards by abutting against the upper flanging slide block;

the return limiting plate can be abutted against the upper flanging slide block to prevent the upper flanging slide block from moving downwards.

Compared with the prior art, the utility model has the beneficial effects that:

(1) according to the flanging device for the automobile panel, the lever drives the upper flanging block to perform flanging operation, and the guide hole is formed in the driving guide pillar to drive the lever driving wall to swing up and down, so that the stability of the movement of the upper flanging block is ensured, and the processing effect of the upper flanging process is more accurate.

(2) The flanging device for the automobile covering part has the advantages of simple and compact structure, small size, capability of saving the die space, reduction of the tool development cost and improvement of the production efficiency, easy replacement of the flanging block, suitability for flanging operation of various covering parts and wide application range.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of an overall folded structure of a flanging device for automobile covering parts according to the present invention;

FIG. 2 is a schematic view of the overall structure of an upper flanging device for automobile panels in an unfolded state according to the present invention;

fig. 3 is a schematic view of the internal structure of the automobile panel upper flanging device in an unfolded state.

Description of reference numerals:

1-a mechanism body; 11-a mechanism mounting seat; 111-jack; 12-a support plate; 13-a fixed seat; 2-driving the guide post; 21-a top block; 22-a pilot hole; 3-driving the nitrogen spring; 4-return nitrogen spring; 41-cylinder body; 42-a telescopic rod; 5-a lever; 51-a rotation axis; 52-rotating shaft center rod; 53-support protrusions; 6-upward flanging a sliding block; 61-a guide block; 62-a stop block; 63-a slide block in-place limiting block; 64-a return limit plate; 65-a guide groove; 7-turning up the block; 8-guide sleeve.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The utility model will be described in detail below with reference to the following examples with reference to the attached drawings:

as shown in fig. 1 to 3, the embodiment provides an upper flanging device for an automobile panel, which includes a driving mechanism, a lever 5, an upper flanging slider 6, and a mechanism body 1, where the mechanism body 1 is assembled and fixed with an automobile processing mold through a mechanism mounting seat 11 fixed at the bottom, and serves as a fixing structure part of the upper flanging device, the mechanism body 1 is in a cylindrical structure, the driving mechanism is located in a cavity of the mechanism body 1, a fixing seat 13 is additionally arranged at the top of the mounting seat 11, and supporting plates 12 extending from the mechanism body 1 are arranged on two sides of the fixing seat 13;

in the upper flanging device provided by the embodiment, the middle part of the lever 5 is rotatably arranged on the fixed seat 13, the end part of the power arm of the lever 5 is inserted into the guide hole 22 arranged at the lower part of the driving guide pillar 2, the end part of the resistance arm of the lever 5 is inserted into the guide groove 65 arranged at the lower part of the upper flanging slide block, the driving mechanism comprises the driving guide pillar 2, the driving guide pillar 2 moves up and down along the axial direction of the driving guide pillar, when the end part of the power arm of the lever 5 is driven by the driving guide pillar 2 to move down, the end part of the resistance arm of the lever 5 drives the upper flanging slide block 6 to move up, and the edge of a workpiece arranged at the top of the upper flanging slide block 6 is jacked up to complete the upper flanging operation;

specifically, a driving nitrogen spring 3 is arranged above the driving guide pillar 2, a piston rod of the driving nitrogen spring 3 faces downwards and is coaxial with the driving guide pillar 2, the driving guide pillar 2 moves downwards under the driving of the driving nitrogen spring 3, and an insertion hole 111 for the driving guide pillar 2 to penetrate through is formed in the mechanism mounting seat 11;

in order to ensure the linearity of the movement of the driving guide post 2, the present embodiment further includes a guide sleeve 8, the guide sleeve 8 is located in the mechanism body 1, and is fixed to the mechanism body 1 through bolt assembly, the guide sleeve 8 is sleeved on the periphery of the driving guide post 2 to guide the displacement of the driving guide post 2, and the driving guide post 2 slides up and down along the inner wall of the guide sleeve 8;

in this embodiment, the device further comprises two return nitrogen springs 4 for driving the guide post 2 to move upwards and return, each return nitrogen spring 4 comprises a cylinder body 41 and an expansion link 42, wherein the cylinder body 41 and the mechanism body 1 are assembled and fixed at fixed positions through bolts, the expansion link 42 is upwards abutted to the bottom surface of the top block 21, the top block 21 is vertically inserted into the upper part of the driving guide post 2, two ends of the top block extend out of the side wall of the driving guide post 2, the driving guide post 2 is driven to move upwards under the pushing of the expansion link 42, and the top surfaces of two ends of the top block 21 are provided with protrusions which are clamped on the outer wall of the driving guide post 2 and used for preventing the top block 21 from moving horizontally;

in order to limit the displacement of the upper flanging slide block 6, the automobile machining die further comprises a slide block in-place limiting block 63 and a return limiting plate 64 which are assembled and fixed with the automobile machining die through bolts, wherein the slide block in-place limiting block 63 is positioned above a stop block 62 arranged on the side edge of the upper flanging slide block 6 and is abutted against the top of the stop block 62 to prevent the upper flanging slide block 6 from moving upwards, and the return limiting plate 64 is positioned below the upper flanging slide block 6 and is abutted against the bottom of the upper flanging slide block 6 to prevent the upper flanging slide block 6 from moving downwards;

in addition, a plurality of guide blocks 61 are assembled on the side wall of the upper flanging slide block 6 through bolts, the guide blocks 61 are matched with vertical sliding grooves arranged in an automobile processing mold, and in the moving process of the upper flanging slide block 6, the guide blocks 61 slide along the sliding grooves to play a role in guiding the movement of the upper flanging slide block 6;

in the embodiment, in order to ensure the stability of torque transmission between the driving guide pillar 2 and the lever 5, the end part of the power arm of the lever 5 in the guide hole 22 is provided with an outward-expanding arc-shaped supporting protrusion 53, the arc-shaped edge of the supporting protrusion 53 is connected with the upper inner wall and the lower inner wall of the guide hole 22 in a sliding manner, so that the possibility that the end part of the lever 5 shakes up and down in the guide hole 22 is eliminated, the lever 5 cannot jump due to mechanical vibration and other unstable conditions, the pushing-up stability of the upper flanging slide block 6 is ensured, the finishing quality of the upper flanging operation is further ensured, and meanwhile, chamfers or fillet cutting surfaces are arranged on the opposite sides of the guide hole 22 and the guide groove 65, so that the two ends of the lever 5 can swing smoothly;

in the embodiment, the length of the power arm of the lever 5 is greater than that of the resistance arm of the lever 5, and the design utilizes the lever principle, so that the driving guide pillar 2 can push the power arm of the lever 5 to swing by smaller force, the problem of driving energy consumption is solved, and the lever 5 can be driven to move more conveniently;

in order to ensure the forming quality of the upturned edge, the upturned edge forming device further comprises an upturned block 7, the upturned block 7 is fixedly assembled on the upturned edge sliding block 6 through bolts so as to be convenient for replacing the upturned edge sliding block, an inclined surface or an outward convex cambered surface for flanging the workpiece is arranged on the upturned block 7, and the inclined surface or the outward convex cambered surface is extruded with the workpiece in the upturned edge process so as to make the workpiece into a required shape;

in this embodiment, the middle portion of the lever 5 is further provided with a rotating shaft 51, the rotating shaft 51 is supported on the fixing base 13, the fixing base 13 is provided with an arc-shaped concave surface matched with the bottom of the rotating shaft 51, the bottom of the rotating shaft 51 slides along the surface of the arc-shaped concave surface, the fixing base 13 supports the rotating shaft 51 and the lever 5, the shaft portion of the rotating shaft 51 is further inserted with a center shaft 52, two ends of the center shaft 52 are inserted in the supporting plate 12 and rotatably connected with the supporting plate 12, the lever 5 and the rotating shaft 51 both rotate along the axis thereof, the axis positioning function is performed on the rotating shaft 51 and the lever 5, and the supporting plate 12 performs an axial positioning function on the rotating shaft 51 and the lever 5.

Note: the fixing manner described herein is, if not specifically stated, a conventional fixing manner such as a screw connection, a welding, an adhesion, etc. may be used.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The upper flanging device for the automobile covering part comprises a driving mechanism, a lever (5) and an upper flanging sliding block (6), wherein the middle part of the lever (5) is rotatably arranged on a fixed seat (13), and the lever (5) is driven by the driving mechanism to swing;

the flanging device is characterized in that the driving mechanism comprises a driving guide post (2), the driving guide post (2) moves up and down along the axial direction of the driving guide post, one end of a lever (5) is inserted into a guide hole (22) formed in the driving guide post (2), the other end of the lever (5) is inserted into a guide groove (65) formed in a turning sliding block, and the upper flanging sliding block (6) moves up and down under the driving of the lever (5) to complete the upper flanging operation of a workpiece.

2. The hemming device for an automobile panel according to claim 1, wherein: the end part of the lever (5) positioned in the guide hole (22) is provided with an outward-expanding arc-shaped supporting bulge (53), and the arc-shaped edge of the supporting bulge (53) is connected with the upper inner wall and the lower inner wall of the guide hole (22) in a sliding manner.

3. The hemming device for an automobile panel according to claim 1, wherein: and a driving nitrogen spring (3) is arranged above the driving guide pillar (2), the driving nitrogen spring (3) stretches along the vertical direction, and the driving nitrogen spring (3) drives the guide pillar (2) to move downwards.

4. The hemming device for an automobile panel according to claim 1, wherein: the device is characterized by further comprising a guide sleeve (8) with a fixed position, the guide sleeve (8) is sleeved on the periphery of the driving guide pillar (2), and the driving guide pillar (2) slides up and down along the inner wall of the guide sleeve (8).

5. The hemming device for an automobile panel according to claim 1, wherein: the device is characterized by further comprising a plurality of return nitrogen springs (4), wherein each return nitrogen spring (4) comprises a cylinder body (41) and a telescopic rod (42), the cylinder body (41) is fixed in position, and the telescopic rod (42) drives the driving guide pillar (2) to move upwards.

6. The hemming device for an automobile panel according to claim 5, wherein: the device is characterized by further comprising a top block (21), wherein the top block (21) is vertically inserted into the upper part of the driving guide column (2), and the top end of the telescopic rod (42) is connected with the bottom end of the top block (21) in an abutting mode.

7. The hemming device for an automobile panel according to claim 1, wherein: the length of a power arm connected with the driving guide post (2) by the lever (5) is larger than that of a resistance arm connected with the upper flanging slide block (6) by the lever (5).

8. The hemming device for an automobile panel according to claim 1, wherein: the middle part of the lever (5) is provided with a rotating shaft (51), and the fixed seat (13) is provided with an arc concave surface matched with the bottom of the rotating shaft (51).

9. The hemming device for an automobile panel according to claim 1, wherein: the workpiece flanging die further comprises an upturning block (7), the upturning block (7) is fixedly assembled on the upturning slide block (6), and an inclined plane or an outward convex cambered surface for flanging the workpiece is arranged on the upturning block (7).

10. The hemming device for an automobile panel according to claim 1, wherein: the sliding block in-place limiting block (63) can be abutted against the upper flanging sliding block (6) to prevent the upper flanging sliding block (6) from moving upwards;

the hydraulic lifting device also comprises a return limiting plate (64), and the return limiting plate (64) can be abutted against the upper flanging slide block (6) to prevent the upper flanging slide block (6) from moving downwards.