CN220837587U - Cold bending snap-in forming machine for vehicle skin - Google Patents

Abstract

The utility model belongs to the technical field of vehicle skin joint splicing, and discloses a vehicle skin cold-bending snap-in forming machine, which comprises: the lower plate is provided with a fixed column and is connected with an upper plate through the fixed column; the rolling wheel sets are arranged and rotatably arranged below the lower plate, and the rolling wheel sets are respectively a vertical-plane rolling wheel set, a side bending rolling wheel set and a lower bending rolling wheel set; the rubber flattening wheels are arranged at the bottom of the lower plate and are staggered with the rolling wheel groups; the plate can be two straight edges with different heights, the processing difficulty of the previous procedure is greatly reduced, the special-designed rolling wheel form is adopted, the seaming and seaming functions of two workpieces are directly realized, and the automatic design of the whole seaming and seaming is conveniently realized due to the simple incoming plate type.

Description

Cold bending snap-in forming machine for vehicle skin

Technical Field

The utility model relates to the technical field of vehicle skin joint splicing, in particular to a vehicle skin cold-bending snap-in forming machine.

Background

The existing thin plate splicing mainly adopts several methods such as welding, riveting, cold bending snap-in and the like, and the former two splicing methods have the defects of low working efficiency, multiple consumable materials and the like. Particularly, the welding method can generate a large amount of welding dust, can cause environmental pollution, and a dust removing device is required to be additionally arranged in a factory.

The snap-in form is gradually applied to skin splicing as a novel interface form, but the existing splicing forms all require a plurality of working procedures and are more manually involved.

Therefore, the application provides a vehicle skin cold-bending snap-in forming machine, which solves the problems.

Disclosure of utility model

In order to solve the problems, the application provides a vehicle skin cold-bending snap-in forming machine.

The application provides a vehicle skin cold-bending snap-in forming machine, which adopts the following technical scheme:

a vehicle skin cold-roll snap-in forming machine comprising:

the lower plate is provided with a fixed column and is connected with an upper plate through the fixed column;

The rolling wheel sets are arranged and rotatably arranged below the lower plate, and the rolling wheel sets are respectively a vertical-plane rolling wheel set, a side bending rolling wheel set and a lower bending rolling wheel set;

the rubber flattening wheel is arranged at the bottom of the lower plate and is staggered with the rolling wheel group.

Through the technical scheme, the plate can be two straight edges with different heights, the processing difficulty of the previous procedure is greatly reduced, the special-designed rolling wheel form is adopted, the seaming and seaming functions of two workpieces are directly realized, and the automatic design of the whole seaming and seaming is conveniently realized due to the simple incoming plate type.

Further, ten rolling wheel groups are arranged in total; wherein the first, ninth and tenth sets of rollers are sets of rollers on the vertical surface; the second, third, fourth and fifth are the side bending roller groups; the sixth, seventh and eighth are lower bending roller sets.

Through above-mentioned technical scheme, the panel loops through the roll, rolls the negative and positive model that the roll corresponds, realizes with panel plastic deformation into expected shape.

Further, the distance between adjacent rollers in the first vertical surface roller group is 2.4mm; the distance between the ninth and tenth vertical surface rolling roller groups is 3.6mm.

Further, the side bending rolling wheel group comprises a large rolling wheel and a small rolling wheel; the diameters of the lower half parts of the second, third and fourth large rolling wheels are reduced, the diameters of the upper half parts are enlarged, and inclined plane transition is formed between the lower half parts and the upper half parts; the diameters of the lower half parts of the second, third and fourth large rolling wheels are enlarged, the diameters of the upper half parts of the second, third and fourth large rolling wheels are reduced, and inclined plane transition is formed between the lower half parts and the upper half parts; the included angle between the fifth large rolling wheel and the small rolling wheel is 90 degrees.

Further, a limiting groove is vertically formed in the bottom edge of the small rolling wheel and used for limiting parts which do not need to be bent in the skin process; the inclined plane gap shape between the big rolling wheel and the small rolling wheel and the gap between the limit groove and the big rolling wheel form an obtuse angle gap, and the angle is gradually reduced according to the sequence of the side bending rolling wheel groups.

Through above-mentioned technical scheme, such setting can make panel be buckled to the side gradually to avoid department to produce stress and lead to panel to take place deformation, in order to guarantee that the precision avoids appearing splitting.

Further, the spacing between the limiting groove in the second, third, fourth and fifth side bending roller groups and the large roller is 2.4mm;

The inclined plane spacing between the inclined plane of the large rolling wheel and the inclined plane of the small rolling wheel in the second, third, fourth and fifth side bending rolling wheel groups is sequentially 1.8mm, 1.4mm, 1.2mm and 1.2mm;

The clearance included angles between the large rolling wheel and the small rolling wheel in the second, third, fourth and fifth side bending rolling wheel groups are 155 degrees, 130 degrees, 110 degrees and 90 degrees in sequence.

Further, the lower bending rolling wheel group comprises a plane rolling wheel and an inner concave rolling wheel; the lower half part of the inner concave rolling wheel is provided with a bending groove which is concave inwards, and the inclined surface of the bending groove forms an included angle with the bottom surface of the inner concave rolling wheel; the sixth bending roll group and the seventh bending roll group are characterized in that the inner concave roll in the lower bending roll group is provided with a bottom surface, the bending groove is located in the distance from the bottom surface to the upper half of the inner concave roll, the inner concave roll in the eighth bending roll group is not provided with the bottom surface, and the bending groove penetrates through the inner concave roll.

Further, the intervals between the sixth, seventh and eighth concave rolling wheels and the plane rolling wheels are respectively 1.7mm, 1.7mm and 2.3mm;

The spacing between the sixth, seventh and eighth concave rolling wheels and the plane rolling wheels is respectively 1.7mm, 1.7mm and 2.3mm.

Further, the inclined planes of the bending grooves in the sixth, seventh and eighth concave rolling wheels and the bottom surface of the concave rolling wheels form included angles of 155 degrees, 130 degrees and 110 degrees respectively.

Further, the top symmetry of hypoplastron is provided with the spout, be provided with the dish spring in the spout, the bottom sliding connection of fixed column is in the spout and laminating the dish spring.

Through the technical scheme, the lower plate can drive the rolling wheel set to realize the effect of floating up and down, so that the plate with different thickness is self-adaptive; when the thickness of the plate is thicker, the rolling wheel group and the lower plate are jacked up upwards, and then the disc springs are compressed in the sliding grooves by the fixing columns.

Further, the central point of the bottom of the upper plate is also provided with the sliding groove, the sliding groove is also internally provided with the disc spring, the sliding groove positioned at the central point of the upper plate is internally provided with the fixed column, the bottom of the fixed column is slidingly connected in the sliding groove and is attached to the disc spring, and the other end of the fixed column at the central point of the upper plate is fixedly connected with the central point of the lower plate

Through the technical scheme, the vibration reduction devices positioned at the centers of the two plates are arranged on the upper plate, so that the lower plate is effectively prevented from being inclined easily in the vibration process; the vibration of the upper plate can be better isolated, so that the vibration reduction effect of the whole structure is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

(1) Realizing the continuous deformation molding of the plates according to the expected sequence through the relative movement of the rolling wheels and the plates; on the premise of ensuring that the joint between different plate widths and different plate thicknesses can be realized, the processing difficulty and the manufacturing cost are effectively reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present application;

FIG. 2 is a cross-sectional view at A in FIG. 1;

FIG. 3 is a schematic view of the structure of the rolling set;

FIG. 4 is a schematic view of a vertical face mill set;

FIG. 5 is a schematic view of a side bending roller set;

FIG. 6 is a schematic view of the structure of the lower bending roller set;

FIG. 7 is a flow chart for roll set shaping;

The reference numerals in the figures illustrate: 1. a lower plate; 2. fixing the column; 3. an upper plate; 4. rolling the roller group on the vertical surface; 5. a side bending rolling group; 51. large rolling rolls; 52. small rolling rolls; 53. a limit groove; 6. a lower bending rolling group; 61. rolling the roller on the plane; 62. concave rolling of the windlass; 63. a bending groove; 7. a rubber flattening wheel; 8. a chute; 9. a disc spring.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application; it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present application are within the protection scope of the present application.

In the description of the present application, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly and include, for example, "connected" as either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

Examples:

The application is described in further detail below with reference to fig. 1-7.

The embodiment of the application discloses a vehicle skin cold-bending snap-in forming machine, which comprises:

The lower plate 1, the lower plate 1 is provided with a fixed column 2 and is connected with an upper plate 3 through the fixed column 2;

The rolling wheel sets are arranged below the lower plate 1 in a rotating manner, and are respectively a vertical plane rolling wheel set 4, a side bending rolling wheel set 5 and a lower bending rolling wheel set 6;

the rubber flattening wheel 7, the rubber flattening wheel 7 sets up in the bottom of hypoplastron 1 to with rolling the staggered arrangement of rumble group.

Referring to fig. 2 and 3, the rolling set is provided with ten in total; wherein the first, ninth and tenth rolling wheel sets are vertical plane rolling wheel sets 4; the second, third, fourth and fifth are side bending roller groups 5; the sixth, seventh and eighth are lower bending roller groups 6; the plate sequentially passes through the rolling wheels and the yin-yang model corresponding to the rolling wheels, so that the plate is plastically deformed into an expected shape.

Referring to figures 2, 3, 4 and 7, the spacing between adjacent rolls in the first vertical face roll set 4 is 2.4mm; the pitch of the ninth and tenth vertical face roller sets 4 is 3.6mm.

Referring to fig. 2, 3, 5 and 7, the side bending roll set 5 includes a large roll 51 and a small roll 52; the diameters of the lower half parts of the second, third and fourth large rollers 51 are reduced, the diameters of the upper half parts are enlarged, and inclined plane transition is formed between the lower half parts and the upper half parts; the diameters of the lower half parts of the second, third and fourth large rollers 51 are enlarged, the diameters of the upper half parts are reduced, and inclined plane transition is formed between the lower half parts and the upper half parts; the fifth large roll 51 is at an angle of 90 ° to the small roll 52.

Referring to fig. 2, 3, 5 and 4, a limiting groove 53 is vertically formed at the bottom edge of the small rolling wheel 52, and the limiting groove 53 is used for limiting parts which do not need to be bent in the skin process; the bevel gap between the large rolling wheel 51 and the small rolling wheel 52 and the gap between the limit groove 53 and the large rolling wheel 51 form an obtuse angle gap, and the angle is gradually reduced according to the sequence of the side bending rolling wheel group 5; the plate can be gradually bent towards the side by the aid of the arrangement, deformation of the plate caused by stress generated at the playing position is avoided, and breakage is avoided due to accuracy.

Referring to fig. 2, 3, 5 and 7, the spacing between the limit groove 53 in the second, third, fourth and fifth side bending roller sets 5 and the large roller 51 is 2.4mm;

the inclined plane spacing between the inclined plane of the big rolling wheel 51 and the inclined plane spacing between the inclined plane of the small rolling wheel 52 in the second, third, fourth and fifth side bending rolling wheel groups 5 are sequentially 1.8mm, 1.4mm, 1.2mm and 1.2mm;

The clearance included angles between the large rolling wheel 51 and the small rolling wheel 52 in the second, third, fourth and fifth side bending rolling wheel groups 5 are 155 degrees, 130 degrees, 110 degrees and 90 degrees in sequence.

Referring to fig. 2, 3, 6 and 7, the lower bending roll set 6 includes a flat roll 61 and a concave roll 62; the lower half part of the concave rolling wheel 62 is provided with a bending groove 63 which is concave inwards, and the inclined surface of the bending groove 63 forms an included angle with the bottom surface of the concave rolling wheel 62; the concave rolling wheels 62 in the sixth and seventh lower bending rolling wheel groups 6 are provided with bottom surfaces, the bending grooves 63 are located in the distance from the bottom surfaces to the upper half of the concave rolling wheels 62, the concave rolling wheels 62 in the eighth rolling wheel group are not provided with bottom surfaces, and the bending grooves 63 penetrate through the concave rolling wheels 62.

Referring to fig. 2, 3, 6 and 7, the sixth, seventh and eighth inner concave rolls 62 are spaced 1.7mm, 1.7mm and 2.3mm from the flat roll 61, respectively;

The sixth, seventh and eighth inner concave rolls 62 and the flat roll 61 have a pitch of 1.7mm, 1.7mm and 2.3mm, respectively.

Referring to fig. 2, 3, 6 and 7, inclined surfaces of the bending grooves 63 in the sixth, seventh and eighth concave rolls 62 form angles of 155 °,130 ° and 110 ° with the bottom surface of the concave roll 62, respectively.

Referring to fig. 2, a chute 8 is symmetrically arranged at the top of the lower plate 1, a disc spring 9 is arranged in the chute 8, and the bottom of the fixed column 2 is slidably connected in the chute 8 and is attached to the disc spring 9; the arrangement can enable the lower plate 1 to drive the rolling wheel set to achieve the effect of floating up and down, so that the plate with different thickness is self-adaptive; when the thickness of the plate is thicker, the rolling wheel group and the lower plate 1 are jacked up, and then the disc springs 9 are compressed by the fixed columns 2 in the sliding grooves 8.

Referring to fig. 2, a chute 8 is also arranged at the bottom center point of the upper plate 3, a disc spring 9 is also arranged in the chute 8, a fixed column 2 is also arranged in the chute 8 positioned at the center point of the upper plate 3, the bottom of the fixed column 2 is slidably connected in the chute 8 and is attached with the disc spring 9, and the other end of the fixed column 2 at the center point of the upper plate 3 is fixedly connected with the center point of the lower plate 1; the vibration reduction devices positioned at the centers of the two plates are arranged on the upper plate 3, so that the lower plate 1 can be effectively prevented from being inclined easily in the vibration process; it is also possible to better isolate the vibration of the upper plate 3, thereby improving the vibration damping effect of the entire structure.

The implementation principle of the vehicle skin cold-bending snap-in forming machine provided by the embodiment of the application is as follows:

When in use, the upper plate 3 is driven to move by using a driving device (such as a sliding rail, a motor, etc.), and such a method is a method commonly used in the art and will not be described herein.

The driving device drives the rolling wheel set on the lower plate 1 to move together in the process of moving the upper plate 3; the sheet to be processed is placed in alignment with the first of the sets of rollers, i.e. the vertical set of rollers 4, and the drive means is then moved (here it is also possible to modify the movement of the sheet with respect to the sets of rollers).

In the process that the lower plate 1 drives the rolling wheel set to move, the plate moves and shuttles in the rolling wheel set, and in the process from the first rolling wheel to the last rolling wheel, the higher plate is gradually bent by the rolling wheel set and attached to the lower plate, so that the processing is completed.

The plate can be two straight edges with different heights, the processing difficulty of the previous procedure is greatly reduced, the special-designed rolling wheel form is adopted, the seaming and seaming functions of two workpieces are directly realized, and the automatic design of the whole seaming and seaming is conveniently realized due to the simple incoming plate type.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (10)

1. A vehicle skin cold-roll snap-in forming machine, comprising:

The lower plate (1), the lower plate (1) is provided with a fixed column (2) and is connected with an upper plate (3) through the fixed column (2);

The rolling wheel sets are arranged below the lower plate (1) in a rotating mode, and the rolling wheel sets are respectively a vertical-face rolling wheel set (4), a side-bending rolling wheel set (5) and a lower-bending rolling wheel set (6);

the rubber flattening wheel (7), the rubber flattening wheel (7) is arranged at the bottom of the lower plate (1) and is staggered with the rolling wheel group.

2. The vehicle skin cold-roll snap-in forming machine according to claim 1, wherein: ten rolling wheel groups are arranged in total; wherein the first, ninth and tenth of said sets of rolls are said vertical set of rolls (4); the second, third, fourth and fifth are the side bending roller groups (5); the sixth, seventh and eighth are lower bending roller groups (6).

3. The vehicle skin cold-roll snap-in forming machine according to claim 2, wherein: the distance between adjacent rollers in the first vertical surface roller group (4) is 2.4mm; the distance between the ninth vertical surface rolling roller group (4) and the tenth vertical surface rolling roller group (4) is 3.6mm.

4. The vehicle skin cold-roll snap-in forming machine according to claim 2, wherein: the side bending rolling wheel set (5) comprises a large rolling wheel (51) and a small rolling wheel (52); the diameters of the lower half parts of the second large rolling wheel (51), the third large rolling wheel and the fourth large rolling wheel are reduced, the diameters of the upper half parts of the second large rolling wheel and the fourth large rolling wheel are enlarged, and inclined plane transition is formed between the lower half parts and the upper half parts; the diameters of the lower half parts of the second large rolling wheel (51), the third large rolling wheel and the fourth large rolling wheel are enlarged, the diameters of the upper half parts of the second large rolling wheel and the fourth large rolling wheel are reduced, and inclined plane transition is formed between the lower half parts and the upper half parts; the included angle between the fifth large rolling wheel (51) and the small rolling wheel (52) is 90 degrees.

5. The vehicle skin cold-roll snap-in forming machine according to claim 4, wherein: a limiting groove (53) is vertically formed in the bottom edge of the small rolling wheel (52), and the limiting groove (53) is used for limiting parts which do not need to be bent in the skin process; the bevel gap between the large rolling wheel (51) and the small rolling wheel (52) and the gap between the limit groove (53) and the large rolling wheel (51) form an obtuse angle gap, and the angle is gradually reduced according to the sequence of the side bending rolling wheel group (5).

6. The vehicle skin cold-roll snap-in forming machine according to claim 5, wherein:

The spacing between the limiting groove (53) in the second, third, fourth and fifth side bending roller groups (5) and the large roller (51) is 2.4mm;

The inclined plane spacing between the inclined plane of the large rolling wheel (51) and the inclined plane spacing between the inclined plane of the small rolling wheel (52) in the second, third, fourth and fifth side bending rolling wheel groups (5) are sequentially 1.8mm, 1.4mm, 1.2mm and 1.2mm;

The clearance included angles between the large rolling wheel (51) and the small rolling wheel (52) in the second, third, fourth and fifth side bending rolling wheel groups (5) are 155 degrees, 130 degrees, 110 degrees and 90 degrees in sequence.

7. The vehicle skin cold-roll snap-in forming machine according to claim 2, wherein: the lower bending roller group (6) comprises a plane roller (61) and an inner concave roller (62); the lower half part of the inner concave rolling wheel (62) is provided with a bending groove (63) which is concave inwards, and an inclined plane of the bending groove (63) forms an included angle with the bottom surface of the inner concave rolling wheel (62); the sixth and seventh inner concave rolling rollers (62) in the lower bending roller group (6) are provided with bottom surfaces, bending grooves (63) are formed in the distance from the bottom surfaces to the upper half of the inner concave rolling rollers (62), no bottom surface is arranged on the inner concave rolling rollers (62) in the eighth rolling roller group, and the bending grooves (63) penetrate through the inner concave rolling rollers (62).

8. The vehicle skin cold-roll snap-in forming machine according to claim 7, wherein:

The spacing between the sixth, seventh and eighth concave rolling wheels (62) and the plane rolling wheels (61) is respectively 1.7mm, 1.7mm and 2.3mm;

The inclined planes of the bending grooves (63) in the sixth, seventh and eighth inner concave rolling wheels (62) and the bottom surface of the inner concave rolling wheels (62) form included angles of 155 degrees, 130 degrees and 110 degrees respectively.

9. The vehicle skin cold-roll snap-in forming machine according to claim 1, wherein: the top symmetry of hypoplastron (1) is provided with spout (8), be provided with dish spring (9) in spout (8), the bottom sliding connection of fixed column (2) is in spout (8) and laminating dish spring (9).

10. The vehicle skin cold-roll snap-in forming machine according to claim 9, wherein: the utility model discloses a dish spring fixing device, including upper plate (3) and lower board (1), upper plate (3) bottom central point is provided with equally spout (8), be provided with in spout (8) equally dish spring (9), be located in spout (8) of upper plate (3) central point also be provided with fixed column (2), and fixed column (2) bottom sliding connection is in spout (8) and laminating dish spring (9), the other end of upper plate (3) central point fixed column (2) with the central point fixed connection of lower plate (1).