Combined bending clamp

Abstract

The utility model relates to a combined bending clamp which comprises a first pre-bending assembly, a second pre-bending assembly, a third pre-bending assembly, a fourth pre-bending assembly, a fifth pre-bending assembly and a sixth pre-bending assembly which are sequentially arranged in the moving direction of materials. The first pre-folding assembly is used for synchronously carrying out first-angle pre-folding on the two side edges of the material; the second pre-folding assembly is used for synchronously carrying out second-angle pre-folding on the two side edges of the material; the third pre-folding assembly is used for pre-folding the first side edge of the material at a third angle; the fourth pre-folding assembly is used for performing fourth-angle pre-folding on the first side edge of the material; the fifth pre-folding assembly is used for pre-folding the second side edge of the material at a third angle; and the sixth pre-folding assembly is used for performing fourth-angle pre-folding on the second side edge of the material. According to the combined type bending clamp, large-angle pre-bending is synchronously carried out on the two side edges of a material, then small-angle pre-bending and rolling are respectively carried out on the side edges of the material, and the material pre-bending efficiency and quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of die-cutting equipment, in particular to a combined bending fixture. Background Art

[0002] Die-cutting machine is also called die-cutting machine, cutting machine, CNC punching machine. It is mainly used for die-cutting (full or half cutting), creasing and hot stamping of some non-metallic materials, self-adhesive stickers, EVA, double-sided tape, electronics, mobile phone rubber pads and trademarks, cartons and greeting cards in product packaging and decoration industries. It is an important equipment for post-printing packaging processing and forming. Its principle is to use a template carved from a steel knife, hardware mold, steel wire or steel plate, and apply a certain pressure through the stamping plate to roll and cut the printed matter or cardboard into a certain shape. It is an important equipment for post-printing packaging processing and forming.

[0003] The printed matter or cardboard is processed and formed by a die-cutting machine to form the outer packaging product of the item. Some items use paper box-type outer packaging products, which need to be folded into a ring shape when delivered. However, this processing step is usually done manually by pre-folding, aligning, and folding into a closed ring along the crease line.

[0004] This process of manually completing pre-folding and alignment cannot guarantee the consistency of product quality, has a low pass rate, and has too slow production efficiency and high production costs. Summary of the invention

[0005] The utility model provides a combined bending fixture to overcome the problems of low qualified rate, slow production efficiency and high production cost in the above-mentioned prior art that the pre-folding and alignment process of paper box outer packaging products is completed manually.

[0006] In order to solve the above technical problems, the technical solution of the utility model is as follows:

[0007] According to one object of the utility model, a combined bending fixture is provided, comprising: a first pre-folding assembly, a second pre-folding assembly, a third pre-folding assembly, a fourth pre-folding assembly, a fifth pre-folding assembly and a sixth pre-folding assembly are sequentially arranged along the moving direction of the material;

[0008] The first pre-folding component is used to pre-fold the first side edge and the second side edge of the material at a first angle synchronously during the movement of the material;

[0009] The second pre-folding component is used to simultaneously pre-fold the first side edge and the second side edge of the material that have completed the first angle pre-folding at a second angle during the movement of the material;

[0010] The third pre-folding component is used to pre-fold the first side edge of the material that has completed the second angle pre-folding at a third angle during the movement of the material;

[0011] The fourth pre-folding component is used to pre-fold the first side edge of the material that has been pre-folded at the third angle at a fourth angle during the movement of the material;

[0012] The fifth pre-folding component is used to pre-fold the second side edge of the material that has been pre-folded at the second angle at a third angle during the movement of the material;

[0013] The sixth pre-folding component is used to pre-fold the second side edge of the material that has been pre-folded at the third angle at a fourth angle during the movement of the material;

[0014] The setting range of the first angle is 90°-180°, the setting range of the second angle is 90°, the setting range of the third angle is 0°-90°, and the fourth angle is 0°.

[0015] In some optional implementations, the first pre-folding assembly includes a first mounting bracket, a first roller and a first pressing roller, and the first roller and the first pressing roller are rotatably mounted on the first mounting bracket;

[0016] A first annular groove is provided on the outer wall of the first roller along a circumference of the first roller, and a first angle is formed between the side wall of the first annular groove and the bottom edge of the first annular groove;

[0017] The first pressing roller is cylindrical, and the length of the first pressing roller along the axial direction matches the bottom edge of the first annular groove;

[0018] The first pressing roller is located above the first roller and embedded in the first annular groove. During the rotation process, the first roller and the first pressing roller realize synchronous pre-folding of the first side edge and the second side edge of the material passing between the first roller and the first pressing roller at a first angle.

[0019] In some optional implementations, the second pre-folding assembly includes a second mounting bracket, a second roller, and a second pressing roller, and the second roller and the second pressing roller are rotatably mounted on the second mounting bracket;

[0020] A second annular groove is provided on the outer wall of the second roller along a circumference of the second roller, and a second angle is formed between the side wall of the second annular groove and the bottom edge of the second annular groove;

[0021] The second pressing roller is cylindrical, and the axial length of the second pressing roller matches the bottom edge of the second annular groove;

[0022] The second pressing roller is located above the second roller and embedded in the second annular groove. During the rotation process, the second roller and the second pressing roller realize synchronous second-angle pre-folding of the first side edge and the second side edge of the material passing between the second roller and the second pressing roller.

[0023] In some optional implementations, the third pre-folding assembly includes a third mounting bracket, a third roller and a third pressing roller, and the third roller and the third pressing roller are rotatably mounted on the third mounting bracket;

[0024] A third annular groove is provided on the outer wall of the third roller along a circumference of the third roller, and a second angle is formed between the side wall of the third annular groove and the bottom edge of the third annular groove;

[0025] The third pressing roller is in a cone shape, the side of the third pressing roller forms a third angle with the axis of the third pressing roller, and the length of the third pressing roller along the axial direction is smaller than the bottom edge of the third annular groove;

[0026] The third pressing roller is located above the third roller and embedded in the third annular groove. During the rotation process, the third roller and the third pressing roller realize a third angle pre-folding of the first side edge of the material passing between the third roller and the third pressing roller.

[0027] In some optional implementations, the size of the side of the third pressing roller matches the width of the first side of the material.

[0028] In some optional implementations, the fourth pre-folding assembly includes a fourth mounting bracket, a fourth roller and a fourth pressing roller, and the fourth roller and the fourth pressing roller are rotatably mounted on the fourth mounting bracket;

[0029] A fourth annular groove is provided on the outer wall of the fourth roller along a circumference of the fourth roller, and a second angle is formed between the side wall of the fourth annular groove and the bottom edge of the fourth annular groove;

[0030] The fourth pressing roller is cylindrical, and the length of the fourth pressing roller along the axial direction is smaller than the bottom edge of the fourth annular groove;

[0031] The fourth pressing roller is located above the fourth roller and embedded in the fourth annular groove. During the rotation process, the fourth roller and the fourth pressing roller realize a fourth angle pre-folding of the first side edge of the material passing between the fourth roller and the fourth pressing roller.

[0032] In some optional implementations, the fifth pre-folding assembly includes a fifth mounting bracket, a fifth roller and a fifth pressing roller, and the fifth roller and the fifth pressing roller are rotatably mounted on the fifth mounting bracket;

[0033] A fifth annular groove is provided on the outer wall of the fifth roller along a circumference of the fifth roller, and a second angle is formed between the side wall of the fifth annular groove and the bottom edge of the fifth annular groove;

[0034] The fifth pressing roller is in a cone shape, the side of the fifth pressing roller forms a third angle with the axis of the fifth pressing roller, and the length of the fifth pressing roller along the axial direction is smaller than the bottom edge of the fifth annular groove;

[0035] The fifth pressing roller is located above the fifth roller and embedded in the fifth annular groove. During the rotation process, the fifth roller and the fifth pressing roller realize a third angle pre-folding of the second side edge of the material passing between the fifth roller and the fifth pressing roller.

[0036] In some optional implementations, the size of the side of the fifth pressing roller matches the width of the second side of the material.

[0037] In some optional implementations, the sixth pre-folding assembly includes a sixth mounting bracket, a sixth roller and a sixth pressing roller, and the sixth roller and the sixth pressing roller are rotatably mounted on the sixth mounting bracket;

[0038] A sixth annular groove is provided on the outer wall of the sixth roller along a circumference of the sixth roller, and a second angle is formed between the side wall of the sixth annular groove and the bottom edge of the sixth annular groove;

[0039] The sixth pressing roller is cylindrical, and the length of the sixth pressing roller along the axial direction is smaller than the bottom edge of the sixth annular groove;

[0040] The sixth pressing roller is located above the sixth roller and embedded in the sixth annular groove. During the rotation process, the sixth roller and the sixth pressing roller realize a fourth angle pre-folding of the first side edge of the material passing between the sixth roller and the sixth pressing roller.

[0041] In some optional implementations, the setting range of the first angle is 120°-160°, and the setting range of the third angle is 30°-60°.

[0042] Compared with the prior art, the beneficial effects of the technical solution of the utility model are:

[0043] The utility model provides a combined bending fixture, which first realizes large-angle pre-folding of both side edges of a material synchronously, and then respectively performs small-angle pre-folding and rolling on the side edges of the material, through the provision of a first pre-folding group, a second pre-folding component, a third pre-folding component, a fourth pre-folding component, a fifth pre-folding component and a sixth pre-folding component, thereby ensuring the pre-folding accuracy and realizing the simultaneous processing of six processes, thereby improving the efficiency and quality of material pre-folding.

[0044] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical solution of the present invention, it can be implemented according to the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] The accompanying drawings are only used to illustrate the embodiments and are not considered to be limitations of the present invention. In addition, the same reference symbols are used to represent the same components throughout the accompanying drawings. In the accompanying drawings:

[0046] Figure 1 A schematic structural diagram of a combined bending fixture provided in an embodiment of the utility model;

[0047] Figure 2 A schematic structural diagram of a first pre-bending component of a combined bending fixture provided in an embodiment of the utility model;

[0048] Figure 3 for Figure 2 AA surface section view;

[0049] Figure 4 A schematic structural diagram of a second pre-bending component of a combined bending fixture provided in an embodiment of the utility model;

[0050] Figure 5 A schematic structural diagram of a third pre-bending component of a combined bending fixture provided in an embodiment of the utility model;

[0051] Figure 6 for Figure 5 AA surface section view;

[0052] Figure 7 A schematic structural diagram of a fourth pre-bending component of a combined bending fixture provided in an embodiment of the utility model;

[0053] Figure 8 A schematic structural diagram of a fifth pre-bending component of a combined bending fixture provided in an embodiment of the utility model;

[0054] Fig. 9 for Figure 8 AA surface section view;

[0055] Fig.10 A schematic structural diagram of a sixth pre-folding component of a combined bending fixture provided in an embodiment of the utility model.

[0056] Wherein, 10, material, 101, bottom plate, 102, first side, 103, second side;

[0057] 1. a first pre-folding assembly, 11. a first mounting bracket, 12. a first roller, 121. a first annular groove, 13. a first pressing roller, 14. a first connecting shaft, 15. a second connecting shaft;

[0058] 2. a second pre-folding assembly, 21. a second mounting bracket, 22. a second roller, 221. a second annular groove, 23. a second pressing roller, 24. a third connecting shaft, 25. a fourth connecting shaft;

[0059] 3. a third pre-folding assembly, 31. a third mounting bracket, 32. a third roller, 321. a third annular groove, 33. a third pressing roller, 34. a fifth connecting shaft, 35. a sixth connecting shaft;

[0060] 4. a fourth pre-folding assembly, 41. a fourth mounting bracket, 42. a fourth roller, 421. a fourth annular groove, 43. a fourth pressing roller, 44. a seventh connecting shaft, 45. an eighth connecting shaft;

[0061] 5. a fifth pre-folding assembly, 51. a fifth mounting bracket, 52. a fifth roller, 521. a fifth annular groove, 53. a fifth pressing roller, 54. a ninth connecting shaft, 55. a tenth connecting shaft;

[0062] 6. Sixth pre-folding assembly, 61. Sixth mounting bracket, 62. Sixth roller, 621. Sixth annular groove, 63. Sixth pressure roller, 64. 11th connecting shaft, 65. 12th connecting shaft.

[0063] The drawings are only used for illustrative purposes and should not be construed as limitations on this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. The same or similar numbers correspond to the same or similar parts. The terms describing the positional relationship in the drawings are only used for illustrative purposes and should not be construed as limitations on this patent. DETAILED DESCRIPTION

[0064] It should be noted that, in the absence of conflict, the embodiments of the present invention and the technical features in the embodiments can be combined with each other, and the detailed description in the specific implementation method should be understood as an explanation of the purpose of the present invention and should not be regarded as an improper limitation on the present invention.

[0065] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the specific technical solution of the utility model will be further described in detail below in conjunction with the drawings in the embodiment of the utility model. The following embodiments are used to illustrate the utility model, but are not used to limit the scope of the utility model.

[0066] In the embodiments of the present invention, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, unless otherwise specified, the meaning of "multiple" is two or more.

[0067] In addition, in the embodiments of the present invention, directional terms such as "left" and "right" are defined relative to the orientation of the components in the drawings. It should be understood that these directional terms are relative concepts. They are used for relative description and clarification, and they may change accordingly according to the changes in the orientation of the components in the drawings.

[0068] In the embodiments of the present invention, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium.

[0069] In the embodiments of the present invention, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element.

[0070] In the embodiments of the present invention, words such as "exemplary" or "for example" are used to indicate examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of the present invention should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as "exemplary" or "for example" is intended to present related concepts in a specific way.

[0071] Example 1

[0072] In order to overcome the problems in the prior art that the pre-folding and alignment process of the outer packaging products of the carton type is manually completed, resulting in a low pass rate, slow production efficiency and high production cost, this embodiment provides a combined bending fixture.

[0073] This embodiment provides a combined bending fixture, such as Figure 1 As shown, it includes: a first pre-folding component 1, a second pre-folding component 2, a third pre-folding component 3, a fourth pre-folding component 4, a fifth pre-folding component 5 and a sixth pre-folding component 6, and the first pre-folding component 1, the second pre-folding component 2, the third pre-folding component 3, the fourth pre-folding component 4, the fifth pre-folding component 5 and the sixth pre-folding component 6 are arranged in sequence along the moving direction of the material 10.

[0074] In this embodiment, the first pre-folding assembly 1 is used to pre-fold the first side edge 102 and the second side edge 103 of the material 10 at a first angle synchronously during the movement of the material 10 .

[0075] The second pre-folding assembly 2 is used to synchronously pre-fold the first side edge 102 and the second side edge 103 of the material 10 that have been pre-folded at a first angle at a second angle during the movement of the material 10 .

[0076] The third pre-folding component 3 is used to pre-fold the first side edge 102 of the material 10 that has been pre-folded at the second angle at a third angle during the movement of the material 10 .

[0077] The fourth pre-folding component 4 is used to pre-fold the first side edge 102 of the material 10 that has been pre-folded at the third angle at a fourth angle during the movement of the material 10 .

[0078] The fifth pre-folding component 5 is used to pre-fold the second side edge 103 of the material 10 that has been pre-folded at a second angle at a third angle during the movement of the material 10 .

[0079] The sixth pre-folding component 6 is used to pre-fold the second side edge 103 of the material 10 that has been pre-folded at the third angle at a fourth angle during the movement of the material 10 .

[0080] Among them, the setting range of the first angle is 90°-180°, the second angle is set to 90°, the setting range of the third angle is 0°-90°, and the fourth angle is set to 0°.

[0081] It can be understood that after the material 10 passes through the first pre-folding component 1, the first side edge 102 and the second side edge 103 can be pre-folded 90°-180° synchronously. After the material 10 passes through the second pre-folding component 2, the first side edge 102 and the second side edge 103 of the material 10 that have been pre-folded 90°-180° can be pre-folded 90° synchronously. After the material 10 passes through the third pre-folding component 3, the first side edge 102 of the material 10 that has been pre-folded 90° can be pre-folded 0°-90°. After the material 10 passes through the fourth pre-folding component 4, the first side edge 102 of the material 10 that has been pre-folded 0°-90° can be pre-folded 0°. After the material 10 passes through the fourth pre-folding component 4, the first side edge 102 of the material 10 that has been pre-folded 0°-90° can be pre-folded 0°. 02 has completed a 180° pre-fold, at this time, the first side edge 102 of the material 10 is parallel to the bottom plate 101 of the material 10, and then, after the material 10 passes through the fifth pre-folding component 5, the second side edge 103 of the material 10 that has been pre-folded by 90° can be pre-folded by 0°-90°, and finally, after the material 10 passes through the sixth pre-folding component 6, the second side edge 103 of the material 10 that has been pre-folded by 0°-90° can be pre-folded by 0°, and the second side edge 103 of the material 10 after passing through the sixth pre-folding component 6 has completed a 180° pre-fold, at this time, the second side edge 103 of the material 10 is parallel to the bottom plate 101 of the material 10, and the second side edge 103 of the material 10 is superimposed on its first side edge 102.

[0082] In this embodiment as a preferred embodiment, the setting range of the first angle is 120°-160°, and the setting range of the third angle is 30°-60°.

[0083] Further, in some optional embodiments, the first angle is set to 135° and the third angle is set to 45°.

[0084] Then, the first pre-folding component 1 can realize simultaneous 135° pre-folding of the first side 102 and the second side 103 of the material 10, the third pre-folding component 3 can realize 45° pre-folding of the first side 102 of the material 10, and the fifth pre-folding component 5 can realize 45° pre-folding of the second side 103 of the material 10.

[0085] Therefore, the combined bending fixture provided in this embodiment, through the first pre-folding group 1, the second pre-folding component 2, the third pre-folding component 3, the fourth pre-folding component 4, the fifth pre-folding component 5 and the sixth pre-folding component 6, first realizes the simultaneous large-angle pre-folding of the two side edges of the material 10, and then performs small-angle pre-folding and rolling on the side edges of the material 10 respectively, so as to complete the pre-folding and rolling forming of the material 10 in one go, ensure the pre-folding accuracy, realize the simultaneous processing of six processes, improve the efficiency and quality of the pre-folding of the material 10, and further prevent the surface of the material 10 from being scratched or bruised.

[0086] Example 2

[0087] This embodiment provides a combined bending fixture, which further optimizes the structures of the first pre-folding component 1, the second pre-folding component 2, the third pre-folding component 3, the fourth pre-folding component 4, the fifth pre-folding component 5 and the sixth pre-folding component 6 on the basis of Embodiment 1.

[0088] In this embodiment, the first pre-folding component 1 is as follows Figure 2-3 As shown, it includes a first mounting bracket 11, a first roller 12 and a first pressing roller 13, and the first roller 12 and the first pressing roller 13 are rotatably mounted on the first mounting bracket 11; a first annular groove 121 is provided on the outer wall of the first roller 12 along a circle of the first roller 12, and a first angle is formed between the side wall of the first annular groove 121 and the bottom edge of the first annular groove 121; the first pressing roller 13 is cylindrical, and the axial length of the first pressing roller 13 matches the bottom edge of the first annular groove 121; the first pressing roller 13 is located above the first roller 12 and embedded in the first annular groove 121, and the first roller 12 and the first pressing roller 13 realize synchronous first-angle pre-folding of the first side edge 102 and the second side edge 103 of the material 10 passing between the first roller 12 and the first pressing roller 13 during rotation.

[0089] Specifically, the first pressure roller 13 and the first roller 12 are arranged up and down, the first pressure roller 13 is installed on the first mounting bracket 11 through the second connecting shaft 15, and the first pressure roller 13 can rotate along the second connecting shaft 15, and the first roller 12 is installed on the first mounting bracket 11 through the first connecting shaft 14, and the first roller 12 can rotate along the first connecting shaft 14.

[0090] In some optional embodiments, the size of the bottom surface of the first annular groove 121 matches the size of the bottom plate 101 of the material 10, that is, the width of the bottom surface of the first annular groove 121 corresponds to the width of the bottom plate 101 of the material 10, and the side wall of the first annular groove 121 forms a first angle with the bottom edge of the first annular groove 121, that is, the side wall of the first annular groove 121 forms an angle of 0°-180° with the bottom edge of the first annular groove 121. With the cooperation of the first pressing roller 13, the first side edge 102 and the second side edge 103 of the material 10 passing through the first pre-folding component 1 are synchronously pre-folded at a first angle, that is, the first side edge 102 and the second side edge 103 of the material 10 are synchronously pre-folded at a first angle, so that the first side edge 102 and the second side edge 103 of the material 10 after passing through the first pre-folding component 1 are synchronously pre-folded by 90°-180°.

[0091] The second pre-folding component 2 is as follows Figure 4As shown, it includes a second mounting bracket 21, a second roller 22 and a second pressure roller 23, and the second roller 22 and the second pressure roller 23 are rotatably mounted on the second mounting bracket 21; a second annular groove 221 is provided on the outer wall of the second roller 22 along a circle of the second roller 22, and a second angle is formed between the side wall of the second annular groove 221 and the bottom edge of the second annular groove 221; the second pressure roller 23 is cylindrical, and the axial length of the second pressure roller 23 matches the bottom edge of the second annular groove 221; the second pressure roller 23 is located above the second roller 22 and embedded in the second annular groove 221, and the second roller 22 and the second pressure roller 23 realize synchronous second-angle pre-folding of the first side edge 102 and the second side edge 103 of the material 10 passing between the second roller 22 and the second pressure roller 23 during rotation.

[0092] Specifically, the second pressure roller 23 and the second roller 22 are arranged up and down, the second pressure roller 23 is installed on the second mounting bracket 21 through the fourth connecting shaft 25, and the second pressure roller 23 can rotate along the fourth connecting shaft 25, and the second roller 22 is installed on the second mounting bracket 21 through the third connecting shaft 24, and the second roller 22 can rotate along the second mounting bracket 21.

[0093] In some optional embodiments, the size of the bottom surface of the second annular groove 221 matches the size of the bottom plate 101 of the material 10, that is, the width of the bottom surface of the second annular groove 221 corresponds to the width of the bottom plate 101 of the material 10, and the side wall of the second annular groove 221 forms a second angle with the bottom edge of the second annular groove 221, that is, the side wall of the second annular groove 221 forms a 90° angle with the bottom edge of the second annular groove 221. With the cooperation of the second pressing roller 23, the first side edge 102 and the second side edge 103 of the material 10 passing through the second pre-folding component 2 are synchronously pre-folded at a second angle, that is, the first side edge 102 and the second side edge 103 of the material 10 are synchronously pre-folded at a second angle, so that the first side edge 102 and the second side edge 103 of the material 10 after passing through the second pre-folding component 2 are synchronously pre-folded by 90°.

[0094] The third pre-folding component 3 is as follows Figure 5-6As shown, it includes a third mounting bracket 31, a third roller 32 and a third pressure roller 33, and the third roller 32 and the third pressure roller 33 are rotatably mounted on the third mounting bracket 31; a third annular groove 321 is provided on the outer wall of the third roller 32 along a circle of the third roller 32, and a second angle is formed between the side wall of the third annular groove 321 and the bottom edge of the third annular groove 321; the third pressure roller 33 is in a conical shape, and the side edge of the third pressure roller 33 forms a third angle with the axis of the third pressure roller 33, and the axial length of the third pressure roller 33 is smaller than the bottom edge of the third annular groove 321; the third pressure roller 33 is located above the third roller 32 and embedded in the third annular groove 321, and the third roller 32 and the third pressure roller 33 realize a third angle pre-folding of the first side edge 102 of the material 10 passing through the third roller 32 and the third pressure roller 33 during the rotation process.

[0095] Specifically, the third pressure roller 33 and the third roller 32 are arranged up and down, the third pressure roller 33 is installed on the third mounting bracket 31 through the sixth connecting shaft 35, and the third pressure roller 33 can rotate along the sixth connecting shaft 35, and the third roller 32 is installed on the third mounting bracket 31 through the fifth connecting shaft 34, and the third roller 32 can rotate along the fifth connecting shaft 34.

[0096] In some optional embodiments, the size of the bottom surface of the third annular groove 321 matches the size of the bottom plate 101 of the material 10, that is, the width of the bottom surface of the third annular groove 321 corresponds to the width of the bottom plate 101 of the material 10, and the side wall of the third annular groove 321 forms a second angle with the bottom edge of the third annular groove 321, that is, the side wall of the third annular groove 321 forms a 90° angle with the bottom edge of the third annular groove 321, so as to limit the material 10, and at the same time cooperate with the third pressing roller 33 to complete the third angle pre-folding of the first side edge 102 of the material 10 passing through the third pre-folding component 3, that is, the first side edge 102 of the material 10 is pre-folded by a third angle, so that the first side edge 102 of the material 10 after passing through the third pre-folding component 3 is pre-folded by 0°-90°.

[0097] In some optional embodiments, the size of the side of the third pressing roller 33 matches the width of the first side 102 of the material 10. That is, the side of the third pressing roller 33 is substantially the same as the width of the first side 102 of the material 10, or the side of the third pressing roller 33 is slightly larger than the width of the first side 102, or the side of the third pressing roller 33 is slightly smaller than the width of the first side 102, thereby achieving a third angle pre-folding of the first side 102 of the material 10.

[0098] The fourth pre-folding component 4 is as follows Figure 7As shown, it includes a fourth mounting bracket 41, a fourth roller 42 and a fourth pressure roller 43, and the fourth roller 42 and the fourth pressure roller 43 are rotatably mounted on the fourth mounting bracket 41; a fourth annular groove 421 is provided on the outer wall of the fourth roller 42 along the fourth roller 42, and a second angle is formed between the side wall of the fourth annular groove 421 and the bottom edge of the fourth annular groove 421; the fourth pressure roller 43 is cylindrical, and the axial length of the fourth pressure roller 43 is smaller than the bottom edge of the fourth annular groove 421; the fourth pressure roller 43 is located above the fourth roller 42 and embedded in the fourth annular groove 421, and the fourth roller 42 and the fourth pressure roller 43 realize a fourth angle pre-folding of the first side edge 102 of the material 10 passing between the fourth roller 42 and the fourth pressure roller 43 during rotation.

[0099] Specifically, the fourth pressure roller 43 and the fourth roller 42 are arranged up and down, the fourth pressure roller 43 is installed on the fourth mounting bracket 41 through the eighth connecting shaft 45, and the fourth pressure roller 43 can rotate along the eighth connecting shaft 45, and the fourth roller 42 is installed on the fourth mounting bracket 41 through the seventh connecting shaft 44, and the fourth roller 42 can rotate along the seventh connecting shaft 44.

[0100] In some optional embodiments, the size of the bottom surface of the fourth annular groove 421 matches the size of the bottom plate 101 of the material 10, that is, the width of the bottom surface of the fourth annular groove 421 corresponds to the width of the bottom plate 101 of the material 10, and the side wall of the fourth annular groove 421 forms a second angle with the bottom edge of the fourth annular groove 421, that is, the side wall of the fourth annular groove 421 is perpendicular to the bottom edge of the fourth annular groove 421, so as to limit the material 10, and at the same time cooperate with the fourth pressing roller 43 to complete the fourth angle pre-folding of the first side edge 102 of the material 10 passing through the fourth pre-folding component 4, that is, the first side edge 102 of the material 10 is pre-folded at a fourth angle, so that the first side edge 102 of the material 10 after passing through the fourth pre-folding component 4 is pre-folded by 180°.

[0101] The fifth pre-folding component 5 is as follows Figure 8-9 As shown, the fifth mounting bracket 51, the fifth roller 52 and the fifth pressure roller 53 are rotatably mounted on the fifth mounting bracket 51; a fifth annular groove 521 is provided on the outer wall of the fifth roller 52 along the circle of the fifth roller 52, and a second angle is formed between the side wall of the fifth annular groove 521 and the bottom edge of the fifth annular groove 521; the fifth pressure roller 53 is in a conical shape, and the side edge of the fifth pressure roller 53 forms a third angle with the axis of the fifth pressure roller 53, and the axial length of the fifth pressure roller 53 is smaller than the bottom edge of the fifth annular groove 521; the fifth pressure roller 53 is located above the fifth roller 52 and embedded in the fifth annular groove 521, and the fifth roller 52 and the fifth pressure roller 53 realize a third angle pre-folding of the second side edge 103 of the material 10 passing between the fifth roller 52 and the fifth pressure roller 53 during rotation.

[0102] Specifically, the fifth pressure roller 53 and the fifth roller 52 are arranged up and down, the fifth pressure roller 53 is installed on the fifth mounting bracket 51 through the tenth connecting shaft 55, and the fifth pressure roller 53 can rotate along the tenth connecting shaft 55, and the fifth roller 52 is installed on the fifth mounting bracket 51 through the ninth connecting shaft 54, and the fifth roller 52 can rotate along the ninth connecting shaft 54.

[0103] In some optional embodiments, the size of the bottom surface of the fifth annular groove 521 matches the size of the bottom plate 101 of the material 10, that is, the width of the bottom surface of the fifth annular groove 521 corresponds to the width of the bottom plate 101 of the material 10, and the side wall of the fifth annular groove 521 forms a second angle with the bottom edge of the fifth annular groove 521, that is, the side wall of the fifth annular groove 521 forms a 90° angle with the bottom edge of the fifth annular groove 521, so as to limit the material 10, and at the same time cooperate with the fifth pressing roller 53 to complete the third angle pre-folding of the second side edge 103 of the material 10 passing through the fifth pre-folding component 5, that is, the second side edge 103 of the material 10 is pre-folded by a third angle, so that the second side edge 103 of the material 10 after passing through the fifth pre-folding component 5 is pre-folded by 0°-90°.

[0104] In some optional embodiments, the size of the side of the fifth pressing roller 53 matches the width of the second side 103 of the material 10. That is, the side of the fifth pressing roller 53 is substantially the same as the width of the second side 103 of the material 10, or the side of the fifth pressing roller 53 is slightly larger than the width of the second side 103, or the side of the fifth pressing roller 53 is slightly smaller than the width of the second side 103, thereby achieving the third angle pre-folding of the second side 103 of the material 10.

[0105] The sixth pre-folding component 6 is as follows Fig.10 As shown, it includes a sixth mounting bracket 61, a sixth roller 62 and a sixth pressure roller 63, and the sixth roller 62 and the sixth pressure roller 63 are rotatably mounted on the sixth mounting bracket 61; a sixth annular groove 621 is provided on the outer wall of the sixth roller 62 along the circle of the sixth roller 62, and a second angle is formed between the side wall of the sixth annular groove 621 and the bottom edge of the sixth annular groove 621; the sixth pressure roller 63 is cylindrical, and the axial length of the sixth pressure roller 63 is smaller than the bottom edge of the sixth annular groove 621; the sixth pressure roller 63 is located above the sixth roller 62 and embedded in the sixth annular groove 621, and the sixth roller 62 and the sixth pressure roller 63 realize a fourth angle pre-folding of the second side edge 103 of the material 10 passing between the sixth roller 62 and the sixth pressure roller 63 during rotation.

[0106] Specifically, the sixth pressure roller 63 and the sixth roller 62 are arranged up and down, the sixth pressure roller 63 is installed on the sixth mounting bracket 61 through the twelfth connecting shaft 65, and the sixth pressure roller 63 can rotate along the twelfth connecting shaft 65, and the sixth roller 62 is installed on the sixth mounting bracket 61 through the eleventh connecting shaft 64, and the sixth roller 62 can rotate along the eleventh connecting shaft 64.

[0107] In some optional embodiments, the size of the bottom surface of the sixth annular groove 621 matches the size of the bottom plate 101 of the material 10, that is, the width of the bottom surface of the sixth annular groove 621 corresponds to the width of the bottom plate 101 of the material 10, and the side wall of the sixth annular groove 621 forms a second angle with the bottom edge of the sixth annular groove 621, that is, the side wall of the sixth annular groove 621 is perpendicular to the bottom edge of the sixth annular groove 621, so as to limit the material 10, and at the same time cooperate with the sixth pressing roller 63 to complete the fourth angle pre-folding of the second side edge 103 of the material 10 passing through the sixth pre-folding component 6, that is, the second side edge 103 of the material 10 is pre-folded at a fourth angle, so that the second side edge 103 of the material 10 after passing through the sixth pre-folding component 6 is pre-folded by 180°.

[0108] Therefore, the combined bending fixture provided in this embodiment, through the first pre-folding group 1, the second pre-folding component 2, the third pre-folding component 3, the fourth pre-folding component 4, the fifth pre-folding component 5 and the sixth pre-folding component 6, first realizes the simultaneous large-angle pre-folding of the two side edges of the material 10, and then performs small-angle pre-folding and rolling on the side edges of the material 10 respectively, so as to complete the pre-folding and rolling forming of the material 10 in one go, ensure the pre-folding accuracy, realize the simultaneous processing of six processes, improve the efficiency and quality of the pre-folding of the material 10, and further prevent the surface of the material 10 from being scratched or bruised.

[0109] The serial numbers of the embodiments of the present application are for description only and do not represent the advantages and disadvantages of the embodiments. The above are only preferred embodiments of the present application, which are only examples for clearly illustrating the present utility model, and do not limit the patent scope of the present application. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description, and it is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of protection of the claims of the present utility model.

Claims

1. A combined bending fixture, characterized in that: include: A first pre-folding assembly (1), a second pre-folding assembly (2), a third pre-folding assembly (3), a fourth pre-folding assembly (4), a fifth pre-folding assembly (5) and a sixth pre-folding assembly (6) are sequentially arranged along the moving direction of the material (10); The first pre-folding component (1) is used to synchronously pre-fold the first side edge (102) and the second side edge (103) of the material (10) at a first angle during the movement of the material (10); The second pre-folding component (2) is used to synchronously pre-fold the first side edge (102) and the second side edge (103) of the material (10) that has been pre-folded at a first angle at a second angle during the movement of the material (10); The third pre-folding component (3) is used to pre-fold the first side edge (102) of the material (10) that has completed the second angle pre-folding at a third angle during the movement of the material (10); The fourth pre-folding component (4) is used to pre-fold the first side edge (102) of the material (10) that has been pre-folded at the third angle at a fourth angle during the movement of the material (10); The fifth pre-folding component (5) is used to pre-fold the second side edge (103) of the material (10) that has been pre-folded at the second angle at a third angle during the movement of the material (10); The sixth pre-folding component (6) is used to pre-fold the second side edge (103) of the material (10) that has been pre-folded at a third angle at a fourth angle during the movement of the material (10); The setting range of the first angle is 90°-180°, the setting range of the second angle is 90°, the setting range of the third angle is 0°-90°, and the fourth angle is 0°.

2. The combined bending fixture according to claim 1, characterized in that: The first pre-folding assembly (1) comprises a first mounting bracket (11), a first roller (12) and a first pressing roller (13); the first roller (12) and the first pressing roller (13) are rotatably mounted on the first mounting bracket (11); A first annular groove (121) is provided on the outer wall of the first roller (12) along the circumference of the first roller (12), and a first angle is formed between the side wall of the first annular groove (121) and the bottom edge of the first annular groove (121); The first pressing roller (13) is cylindrical, and the axial length of the first pressing roller (13) matches the bottom edge of the first annular groove (121); The first pressing roller (13) is located above the first roller (12) and embedded in the first annular groove (121); during the rotation process, the first roller (12) and the first pressing roller (13) simultaneously perform a first angle pre-folding on the first side edge (102) and the second side edge (103) of the material (10) passing between the first roller (12) and the first pressing roller (13).

3. The combined bending fixture according to claim 1, characterized in that: The second pre-folding assembly (2) comprises a second mounting bracket (21), a second roller (22) and a second pressing roller (23); the second roller (22) and the second pressing roller (23) are rotatably mounted on the second mounting bracket (21); A second annular groove (221) is provided on the outer wall of the second roller (22) along the circumference of the second roller (22), and a second angle is formed between the side wall of the second annular groove (221) and the bottom edge of the second annular groove (221); The second pressing roller (23) is cylindrical, and the axial length of the second pressing roller (23) matches the bottom edge of the second annular groove (221); The second pressing roller (23) is located above the second roller (22) and embedded in the second annular groove (221); during the rotation process, the second roller (22) and the second pressing roller (23) simultaneously perform a second angle pre-folding on the first side edge (102) and the second side edge (103) of the material (10) passing between the second roller (22) and the second pressing roller (23).

4. The combined bending fixture according to claim 1, characterized in that: The third pre-folding assembly (3) comprises a third mounting bracket (31), a third roller (32) and a third pressing roller (33); the third roller (32) and the third pressing roller (33) are rotatably mounted on the third mounting bracket (31); A third annular groove (321) is provided on the outer wall of the third roller (32) along a circumference of the third roller (32), and a second angle is formed between the side wall of the third annular groove (321) and the bottom edge of the third annular groove (321); The third pressing roller (33) is in a conical shape, the side of the third pressing roller (33) forms a third angle with the axis of the third pressing roller (33), and the length of the third pressing roller (33) along the axial direction is smaller than the bottom edge of the third annular groove (321); The third pressing roller (33) is located above the third roller (32) and embedded in the third annular groove (321); during the rotation process, the third roller (32) and the third pressing roller (33) perform a third angle pre-folding on the first side edge (102) of the material (10) passing between the third roller (32) and the third pressing roller (33).

5. The combined bending fixture according to claim 4, characterized in that: The size of the side edge of the third pressing roller (33) matches the width of the first side edge (102) of the material (10).

6. The combined bending fixture according to claim 1, characterized in that: The fourth pre-folding assembly (4) comprises a fourth mounting bracket (41), a fourth roller (42) and a fourth pressing roller (43), wherein the fourth roller (42) and the fourth pressing roller (43) are rotatably mounted on the fourth mounting bracket (41); A fourth annular groove (421) is provided on the outer wall of the fourth roller (42) along a circumference of the fourth roller (42), and a second angle is formed between the side wall of the fourth annular groove (421) and the bottom edge of the fourth annular groove (421); The fourth pressing roller (43) is cylindrical, and the axial length of the fourth pressing roller (43) is smaller than the bottom edge of the fourth annular groove (421); The fourth pressing roller (43) is located above the fourth roller (42) and embedded in the fourth annular groove (421); during the rotation process, the fourth roller (42) and the fourth pressing roller (43) perform a fourth angle pre-folding on the first side edge (102) of the material (10) passing between the fourth roller (42) and the fourth pressing roller (43).

7. The combined bending fixture according to claim 1, characterized in that: The fifth pre-folding assembly (5) comprises a fifth mounting bracket (51), a fifth roller (52) and a fifth pressing roller (53); the fifth roller (52) and the fifth pressing roller (53) are rotatably mounted on the fifth mounting bracket (51); A fifth annular groove (521) is provided on the outer wall of the fifth roller (52) along a circumference of the fifth roller (52), and a second angle is formed between the side wall of the fifth annular groove (521) and the bottom edge of the fifth annular groove (521); The fifth pressing roller (53) is in a conical shape, the side of the fifth pressing roller (53) forms a third angle with the axis of the fifth pressing roller (53), and the length of the fifth pressing roller (53) along the axial direction is smaller than the bottom edge of the fifth annular groove (521); The fifth pressing roller (53) is located above the fifth roller (52) and embedded in the fifth annular groove (521); during the rotation process, the fifth roller (52) and the fifth pressing roller (53) perform a third angle pre-folding on the second side edge (103) of the material (10) passing between the fifth roller (52) and the fifth pressing roller (53).

8. The combined bending fixture according to claim 7, characterized in that: The size of the side edge of the fifth pressing roller (53) matches the width of the second side edge (103) of the material (10).

9. The combined bending fixture according to claim 1, characterized in that: The sixth pre-folding assembly (6) comprises a sixth mounting bracket (61), a sixth roller (62) and a sixth pressing roller (63), wherein the sixth roller (62) and the sixth pressing roller (63) are rotatably mounted on the sixth mounting bracket (61); A sixth annular groove (621) is provided on the outer wall of the sixth roller (62) along a circumference of the sixth roller (62), and a second angle is formed between the side wall of the sixth annular groove (621) and the bottom edge of the sixth annular groove (621); The sixth pressing roller (63) is cylindrical, and the axial length of the sixth pressing roller (63) is smaller than the bottom edge of the sixth annular groove (621); The sixth pressing roller (63) is located above the sixth roller (62) and embedded in the sixth annular groove (621); during the rotation process, the sixth roller (62) and the sixth pressing roller (63) realize a fourth angle pre-folding of the first side edge (102) of the material (10) passing between the sixth roller (62) and the sixth pressing roller (63).

10. The combined bending fixture according to claim 1, characterized in that: The setting range of the first angle is 120°-160°, and the setting range of the third angle is 30°-60°.

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