Refrigerator shell top 45-degree U-angle edge folding forming machine

Abstract

The utility model relates to the technical field of household appliance manufacturing, in particular to a refrigerator shell top 45-degree U-angle edge folding forming machine which comprises a frame body. The bending mechanism is fixed on the frame body, the bending mechanism comprises an inner die, an outer die, an inner die driving mechanism and an outer die driving mechanism, the inner die is matched with the outer die, and the inner die and the outer die are matched to punch a plate to form a first characteristic; the forming mechanism comprises an edge folding die and an edge folding driving mechanism, and the edge folding driving mechanism drives the edge folding die to act on the first characteristic of the plate so as to complete edge folding forming; the forming device has the advantages of stable forming and high working efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of household appliance manufacturing, in particular to a 45° U-angle folding forming machine for the top of a refrigerator shell. Background Art

[0002] At present, the appearance structure of refrigerator and other shell products has been upgraded and optimized, and the original right-angled edges have been optimized into edges with 45° folded edges. As the appearance of the shell corners has changed, the corresponding shell folding forming process has been adjusted accordingly, so it is necessary to improve the existing folding forming machine. Summary of the invention

[0003] In order to solve the deficiencies in the prior art, the utility model provides a 45° U-angle folding forming machine for the top of a refrigerator shell, which has the advantages of stable forming and high working efficiency.

[0004] The above utility model object of the utility model is achieved through the following technical solutions:

[0005] The utility model provides a 45° U-angle folding forming machine for the top of a refrigerator shell, comprising:

[0006] Frame;

[0007] A bending mechanism, the bending mechanism is fixed on the frame, the bending mechanism comprises an inner die, an outer die, an inner die driving mechanism and an outer die driving mechanism, the inner die and the outer die are adapted to each other, and the inner die and the outer die cooperate to stamp the sheet material to form a first feature;

[0008] And a forming mechanism, the forming mechanism includes a folding die and a folding drive mechanism, the folding drive mechanism drives the folding die to act on the first feature of the sheet material to complete the folding forming.

[0009] By adopting the above technical solution, the sheet material after stamping and rolling is transported to a predetermined workstation on the frame, and the inner mold and the outer mold cooperate to stamp the sheet material to form a first feature, wherein the inner mold or the outer mold can act simultaneously or at different times. Then, the folding drive mechanism drives the folding mold to act on the first feature to form a second feature, so that it changes from being perpendicular to the sheet material to being parallel to the sheet material, thereby completing the folding operation.

[0010] Furthermore, the inner mold includes an inner mold connecting portion and an inner mold forming portion, the inner mold connecting portion is provided with an inner mold driving mechanism connecting groove, and the output end of the inner mold driving mechanism is fixed in the inner mold driving mechanism connecting groove.

[0011] Furthermore, the inner mold forming part includes a transverse column and an inner die head, and two inner die heads are provided. The two inner die heads are respectively arranged at two ends of the transverse column, and the tops of the two inner die heads are in the same plane.

[0012] Furthermore, the outer mold includes an outer mold connecting part and an outer mold head, the outer mold connecting part is provided with an outer mold driving mechanism connecting groove, the output end of the outer mold driving mechanism is fixed in the outer mold driving mechanism connecting groove, and two outer mold heads are provided, and the two outer mold heads are respectively arranged at the two ends of the outer mold connecting part, and the tops of the two outer mold heads are in the same plane.

[0013] Furthermore, a V-shaped groove is provided in the middle of the inner die head, and a boss is provided on one side of the V-shaped groove.

[0014] Furthermore, the outer die head is matched with the inner die head, and the cross section of the outer die head is V-shaped.

[0015] By adopting the above technical solution, a set of molds has two forming areas, and two overlapping features can be realized in a set of molds, and the overlapping operation can be completed in only one operation.

[0016] Furthermore, the frame body includes a main frame, a slide plate and a base, the main frame is fixedly connected to the base, the main frame is slidably connected to the slide plate, and the bending mechanism is fixed on the slide plate.

[0017] Furthermore, a slide plate driving oil cylinder is fixed to the upper end of the main frame, a groove is provided at the upper end of the slide plate, and an output end of the slide plate driving oil cylinder is clamped in the groove.

[0018] By adopting the above technical solution, a sliding connection between the main frame and the skateboard can be achieved. When the skateboard driving cylinder is started, the skateboard and the bending mechanism fixed on the skateboard will drop accordingly. When the skateboard driving cylinder is retracted, the skateboard and the bending mechanism fixed on the skateboard will rise accordingly.

[0019] Furthermore, it also includes a positioning plate, on which a positioning plate slot is formed, and the positioning plate slot is adapted to the outer mold.

[0020] By adopting the above technical solution, the sheet material is placed on the positioning plate and abuts against the positioning plate. When the outer die driving mechanism drives the outer die to punch the sheet material, the front end of the outer die can act on the sheet material through the notch.

[0021] Furthermore, the slide plate is fixedly connected to a mounting seat, a semi-elliptical through groove is opened at the lower part of the mounting seat, a "T"-shaped through groove is opened on the side of the mounting seat, the inner mold driving mechanism and the inner mold are fixed on one side of the "T"-shaped through groove, and the outer mold driving mechanism and the outer mold are fixed on the other side of the "T"-shaped through groove.

[0022] By adopting the above technical solution, the inner mold connecting part of the inner mold and the outer mold connecting part of the outer mold are in a through guide groove, which improves the guiding and positioning accuracy; the through groove avoids interference between the mounting seat and the sheet material.

[0023] Furthermore, the folding drive mechanism is fixed to the top surface of the mounting seat, and the folding die is fixedly connected to the output end of the folding drive mechanism.

[0024] By adopting the above technical solution, the folding drive mechanism and the folding die can move up and down with the mounting base. When the folding drive mechanism is started, the folding die moves down quickly to act on the first feature of the stamping sheet, so that it is formed from a three-dimensional "Z" shape into a second feature that fits each other.

[0025] In summary, the utility model includes at least one of the following beneficial technical effects: the 45° U-angle folding forming machine for the top of the refrigerator shell of the utility model is compatible with the improved 45° angle structure of the refrigerator shell sheet, and the cooperation between the inner mold and the outer mold can form a first feature with a three-dimensional spatial structure, and the first feature is stamped by the folding mold to form a second feature that fits the sheet without a spatial structure, so as to prepare for the subsequent bending process; the utility model can realize the folding of the top sheet of the refrigerator shell by a set of molds, and a set of molds forms two forming areas, which respectively correspond to the folding parts at the angles at both ends of the 45° edge. The utility model can complete the folding process in one action, improves the original folding process, and improves production efficiency at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of this embodiment;

[0027] Figure 2 Schematic diagram of the frame structure of this embodiment;

[0028] Figure 3 Schematic diagram of the inner mold structure of this embodiment;

[0029] Figure 4 Schematic diagram of the outer mold structure of this embodiment;

[0030] Figure 5 Schematic diagram of the bending mechanism and the forming mechanism of this embodiment;

[0031] Figure 6 It is a schematic diagram of the shell structure in which the overlapped edge sheet material of this embodiment is folded into a 45° U angle.

[0032] In the figure, 01, sheet material; 1, frame; 11, main frame; 12, slide plate; 121, groove; 13, base; 14, slide plate driving cylinder; 15, mounting seat; 151, through groove; 152, "T"-shaped through groove; 2, inner mold; 21, inner mold connecting part; 211, inner mold driving mechanism connecting groove; 22, inner mold forming part; 221, cross column; 222, inner mold head; 223, V-shaped groove; 224, boss; 3, outer mold; 31, outer mold connecting part; 311, outer mold driving mechanism connecting groove; 32, outer mold head; 4, inner mold driving mechanism; 5, outer mold driving mechanism; 6, folding mold; 7, folding drive mechanism; 8, positioning plate; 81, positioning plate notch. DETAILED DESCRIPTION

[0033] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0034] To facilitate those skilled in the art to understand the present invention, specific implementations of the present invention are described below with reference to the accompanying drawings.

[0035] Reference Figure 1-6 The utility model discloses a 45° U-angle folding forming machine for the top of a refrigerator shell, comprising a frame 1, a bending mechanism and a forming mechanism.

[0036] The frame body 1 includes a main frame 11 , a slide plate 12 and a base 13 . The main frame 11 is fixedly connected to the base 13 , the main frame 11 is slidably connected to the slide plate 12 , and the bending mechanism is fixed on the slide plate 12 .

[0037] A skateboard driving cylinder 14 is fixed to the upper end of the main frame 11, and a groove 121 is opened at the upper end of the skateboard 12. The output end of the skateboard driving cylinder 14 is clamped in the groove 121. When the skateboard driving cylinder 14 is started, the skateboard 12 and the bending mechanism fixed on the skateboard 12 are lowered accordingly. When the skateboard driving cylinder 14 is retracted, the skateboard 12 and the bending mechanism fixed on the skateboard 12 are raised accordingly.

[0038] The slide plate 12 is fixedly connected to a mounting seat 15 . A semi-elliptical through groove 151 is formed at the bottom of the mounting seat 15 , and a “T”-shaped through groove 152 is formed at the side of the mounting seat 15 .

[0039] The bending mechanism is fixed on the frame 1, and the bending mechanism includes an inner mold 2, an outer mold 3, an inner mold driving mechanism 4 and an outer mold driving mechanism 5. The inner mold 2 and the outer mold 3 are adapted to each other, and the inner mold 2 and the outer mold 3 cooperate to stamp the sheet material to form the first feature.

[0040] The inner mold driving mechanism 4 may be an inner mold oil cylinder, and the outer mold driving mechanism 5 may be an outer mold oil cylinder.

[0041] The inner mold 2 comprises an inner mold connecting portion 21 and an inner mold forming portion 22 . The inner mold connecting portion 21 is provided with an inner mold driving mechanism connecting groove 211 . The output end of the inner mold driving mechanism 4 is fixed in the inner mold driving mechanism connecting groove 211 .

[0042] The inner mold forming part 22 includes a horizontal column 221 and an inner die head 222. Two inner die heads 222 are provided. The two inner die heads 222 are respectively provided at the two ends of the horizontal column 221. The tops of the two inner die heads 222 are in the same plane. A V-shaped groove 223 is provided in the middle of the inner die head 222, and a boss 224 is provided on one side of the V-shaped groove 223.

[0043] The outer mold 3 includes an outer mold connection part 31 and an outer mold head 32. The outer mold connection part 31 is provided with an outer mold drive mechanism connection groove 311. The output end of the outer mold drive mechanism 5 is fixed in the outer mold drive mechanism connection groove 311. Two outer mold heads 32 are provided. The two outer mold heads 32 are respectively arranged at the two ends of the outer mold connection part 31. The tops of the two outer mold heads 32 are in the same plane. The outer mold head 32 is adapted to the inner mold head 222, and the cross section of the outer mold head 32 is V-shaped.

[0044] Therefore, two forming areas are provided in one set of dies, and two overlap features can be realized in one set of dies, and the overlap operation can be completed in only one operation.

[0045] The inner mold driving mechanism 4 and the inner mold 2 are fixed on one side of the "T"-shaped through groove 152, and the outer mold driving mechanism 5 and the outer mold 3 are fixed on the other side of the "T"-shaped through groove 152. The inner mold connecting part 21 of the inner mold 2 and the outer mold connecting part 31 of the outer mold 3 are in a through guide groove, which improves the guiding and positioning accuracy; the opened through groove 151 prevents the mounting seat 15 from interfering with the sheet material.

[0046] The forming mechanism includes a folding die 6 and a folding drive mechanism 7. The folding drive mechanism 7 drives the folding die 6 to act on the first feature of the sheet material to complete the folding forming; the folding drive mechanism 7 is fixed to the top surface of the mounting seat 15, and the folding die 6 is fixedly connected to the output end of the folding drive mechanism 7; the folding drive mechanism 7 and the folding die 6 can move up and down with the mounting seat 15. When the folding drive mechanism 7 is started, the folding die 6 moves down quickly to act on the first feature of the stamping sheet material, so that it is formed from a three-dimensional "Z" shape into a second feature that fits each other.

[0047] The hemming driving mechanism 7 can be an hemming oil cylinder.

[0048] The refrigerator shell top 45° U-angle hem forming machine of the utility model further comprises a positioning plate 8, on which a positioning plate notch 81 is provided, and the positioning plate notch 81 is adapted to the outer mold 3. When the outer mold driving mechanism 5 is driven and started, the outer mold 3 extends out and can pass through the positioning plate notch 81 to act on the sheet material, so as to cooperate with the inner mold 2 to complete the stamping of the sheet material.

[0049] The implementation principle of this embodiment is as follows: the sheet material after stamping and rolling is transported to a predetermined station of the frame 1, the slide driving cylinder 14 is actuated, driving the mounting seat 15 and the slide 12 to move in the direction close to the sheet material, and the bending mechanism moves downward accordingly, and the inner die driving mechanism 4 is started, and the inner die driving mechanism 4 drives the inner die head 222 of the inner die 2 to stamp the sheet material, and the outer die driving mechanism 5 is actuated, and the outer die driving mechanism 5 drives the outer die head 32 of the outer die 3 to pass through the notch of the positioning plate 8 to stamp the sheet material, thereby forming the first feature, because there are two inner die heads 222 and outer die heads 32, and a V-shaped groove 223 is opened in the middle of the inner die head 222, and one of the V-grooves 223 A boss 224 is arranged on the side. When the outer die head 32 punches the sheet material, it acts on two forming areas at the same time and can realize two overlapping features at the same time; the inner die driving mechanism and the outer die driving mechanism 5 can retract simultaneously or at different times to drive the inner die 2 and the outer die 3 away from the sheet material. After the inner die 2 and the outer die 3 return to their positions, the overlapping drive mechanism 7 is activated to drive the overlapping die 6 to move downward and punch the first feature of the sheet material, so that it is formed from a three-dimensional "Z" shape to a second feature that fits each other; then, the overlapping drive mechanism 7 retracts to drive the overlapping die 6 away from the sheet material, and the slide driving cylinder 14 retracts to drive the mounting seat 15 and the slide 12 away from the sheet material to complete the overlapping operation.

[0050] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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 limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0051] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" 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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] The above-described implementation methods of the utility model do not constitute a limitation on the protection scope of the utility model. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model shall be included in the protection scope of the claims of the utility model.

Claims

1. A 45° U-angle hemming forming machine for the top of a refrigerator shell, characterized in that: include: Frame (1); A bending mechanism, the bending mechanism is fixed on the frame (1), the bending mechanism comprises an inner die (2), an outer die (3), an inner die driving mechanism (4) and an outer die driving mechanism (5), the inner die (2) and the outer die (3) are adapted to each other, and the inner die (2) and the outer die (3) cooperate to stamp the sheet material to form a first feature; And a forming mechanism, the forming mechanism comprises a folding die (6) and a folding drive mechanism (7), the folding drive mechanism (7) drives the folding die (6) to act on the first feature of the sheet material to complete the folding forming.

2. The refrigerator shell top 45° U-angle hemming forming machine according to claim 1, characterized in that: The inner mold (2) comprises an inner mold connecting portion (21) and an inner mold forming portion (22); the inner mold connecting portion (21) is provided with an inner mold driving mechanism connecting groove (211); and the output end of the inner mold driving mechanism (4) is fixed in the inner mold driving mechanism connecting groove (211).

3. The refrigerator shell top 45° U-angle hemming forming machine according to claim 2, characterized in that: The inner mold forming part (22) comprises a transverse column (221) and an inner mold head (222), two inner mold heads (222) are provided, and the two inner mold heads (222) are respectively provided at the two ends of the transverse column (221), and the tops of the two inner mold heads (222) are in the same plane.

4. The refrigerator shell top 45° U-angle hemming forming machine according to claim 3, characterized in that: The outer mold (3) comprises an outer mold connecting portion (31) and an outer mold head (32); the outer mold connecting portion (31) is provided with an outer mold driving mechanism connecting groove (311); the output end of the outer mold driving mechanism (5) is fixed in the outer mold driving mechanism connecting groove (311); two outer mold heads (32) are provided, and the two outer mold heads (32) are respectively arranged at two ends of the outer mold connecting portion (31); the tops of the two outer mold heads (32) are in the same plane.

5. The refrigerator shell top 45° U-angle hemming forming machine according to claim 3, characterized in that: A V-shaped groove (223) is provided in the middle of the inner die head (222), and a boss (224) is provided on one side of the V-shaped groove (223).

6. The refrigerator shell top 45° U-angle hemming forming machine according to claim 4, characterized in that: The outer die head (32) is matched with the inner die head (222), and the cross section of the outer die head (32) is V-shaped.

7. The refrigerator shell top 45° U-angle hemming forming machine according to claim 1, characterized in that: The frame body (1) comprises a main frame (11), a slide plate (12) and a base (13); the main frame (11) is fixedly connected to the base (13); the main frame (11) is slidably connected to the slide plate (12); and the bending mechanism is fixed on the slide plate (12).

8. The refrigerator shell top 45° U-angle hemming forming machine according to claim 7, characterized in that: A slide plate driving oil cylinder (14) is fixed to the upper end of the main frame (11), a groove (121) is provided at the upper end of the slide plate (12), and an output end of the slide plate driving oil cylinder (14) is clamped in the groove (121).

9. The refrigerator shell top 45° U-angle hemming forming machine according to claim 7, characterized in that: The slide plate (12) is fixedly connected to a mounting seat (15), a semi-elliptical through groove (151) is provided at the bottom of the mounting seat (15), a "T"-shaped through groove (152) is provided at the side of the mounting seat (15), the inner mold driving mechanism (4) and the inner mold (2) are fixed to one side of the "T"-shaped through groove (152), and the outer mold driving mechanism (5) and the outer mold (3) are fixed to the other side of the "T"-shaped through groove (152).

10. The refrigerator shell top 45° U-angle hemming forming machine according to claim 1, characterized in that: It also comprises a positioning plate (8), on which a positioning plate notch (81) is provided, and the positioning plate notch (81) is adapted to fit the outer mould (3).

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