Dovetail slider side sizing die

Abstract

This utility model discloses a dovetail slider side forming mold, belonging to the field of sheet metal processing technology. It includes an upper mold base and a lower mold base used in conjunction. A material strip positioning component is installed between the upper and lower mold bases, and a first forming component and a second forming component for step-by-step forming of parts are installed between the upper and lower mold bases along the material strip conveying direction. A punching component is used to simultaneously perform punching operations on the parts. The first forming component also includes a side forming component, which is used to shape the folded edges of the parts. Through the above methods, this application optimizes the existing side forming structure, utilizing the inclined plane self-locking effect to suppress slider retreat caused by lateral force, ensuring stable forming force, and achieving higher precision, longer life, and more complex forming requirements. It is suitable for high-end manufacturing scenarios such as high-strength steel, lightweight materials, and complex multi-directional forming.

Description

Technical Field

[0001] This utility model relates to the field of sheet metal processing technology, specifically to a dovetail slider side shaping mold. Background Technology

[0002] For parts with complex configurations, it is usually necessary to feed the strip into the stamping die and use different stamping dies to form the strip into finished parts in steps.

[0003] In stamping die design, lateral forming (such as flanging, rib forming, and partial forming) usually relies on wedge mechanisms or hydraulic side-pushing devices, but traditional solutions have the following problems:

[0004] 1. Due to the angle limitation, the lateral force transmission efficiency of the wedge mechanism is low (only 60%~70%), resulting in fluctuations in the forming dimensions.

[0005] 2: The mold installation space is narrow, and the traditional wedge mechanism is too large or cannot meet the stroke requirements.

[0006] 3: The sliding surface wears quickly (life < 500,000 cycles), and the guide rail is prone to crushing during the forming of high-strength steel.

[0007] 4. Lack of real-time force feedback and adaptive adjustment capabilities, debugging relies on experience.

[0008] Based on this, this utility model designs a dovetail slider side shaping mold to solve the above problems. Utility Model Content

[0009] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a dovetail slider side shaping mold.

[0010] To achieve the above objectives, this utility model provides the following technical solution:

[0011] A dovetail slider side forming mold includes an upper mold base and a lower mold base for use in conjunction;

[0012] A material strip positioning assembly is installed between the upper mold base and the lower mold base, and a first forming assembly and a second forming assembly for step-by-step forming of the parts are installed between the upper mold base and the lower mold base along the material strip conveying direction. Two sets of the first forming assembly and the second forming assembly are provided and symmetrically distributed on both sides of the material strip positioning assembly.

[0013] Both the first forming assembly and the second forming assembly include a main forming assembly and a punching assembly. The main forming assembly and the punching assembly are installed between the upper die base and the lower die base. The main forming assembly is used to form the main body and the flange of the part, and the punching assembly is used to perform punching operations on the part simultaneously. The first forming assembly also includes a side shaping assembly, which is used to shape the folded edge of the part.

[0014] Furthermore, the side shaping assembly includes a dovetail slider, a dovetail fixing seat, an elastic ejection assembly, and a drive assembly. The dovetail fixing seat is fixedly connected to the lower mold base. The dovetail slider is located between the main forming assembly and the dovetail fixing seat and is slidably connected to the dovetail fixing seat for limiting. The lower end of the upper mold base is equipped with a drive assembly for pressing down the dovetail slider, and the lower end of the lower mold base is equipped with an elastic ejection assembly for controlling the resetting of the dovetail slider.

[0015] Furthermore, the angle between the sliding surface of the dovetail slider and the dovetail fixing seat and the horizontal plane is between 55 and 60 degrees.

[0016] Furthermore, the elastic ejector assembly includes an ejector pin and an ejector pin holder. The ejector pin holder is fixedly connected to the lower mold base. The upper end of the ejector pin holder is slidably connected to the ejector pin. An elastic element is installed inside the ejector pin holder. The upper and lower ends of the elastic element are fixedly connected to the ejector pin and the ejector pin holder, respectively. The elastic element can be a compression spring. The upper end of the ejector pin abuts against the lower end of the dovetail slider.

[0017] Furthermore, the driving assembly includes a driving block, which is fixedly installed at the lower end of the upper mold base and is used to press down the dovetail slider.

[0018] Furthermore, the punching component of the first forming component includes a pressure pin, which is fixedly installed at the lower end of the upper die base. Multiple pressure pins are distributed along the length of the upper die base, and the pressure pins are used to press and fix the main body of the part.

[0019] Furthermore, the punching component of the second forming component includes a reaming punch and a forming punch. The reaming punch is used to enlarge the holes on the body of the part, and the forming punch is used to directly form other holes on the body of the part.

[0020] Furthermore, the strip positioning assembly includes a strip support block, a strip pressing block, pressing pins, and strip positioning pins. The strip support block is fixedly installed on the upper end of the lower die base, and the strip pressing block is fixedly installed on the lower end of the upper die base. Multiple pressing pins for pressing and fixing the strip onto the strip support block are fixedly installed on the strip pressing block along the length of the strip pressing block. Multiple strip positioning pins are also fixedly installed on the strip pressing block. The strip support block has strip positioning holes that correspond one-to-one with the strip positioning pins and are inserted into each other.

[0021] Compared with the prior art, the advantages of this utility model are as follows: This application optimizes the existing side forming structure, uses the inclined plane self-locking effect to suppress the slide backward caused by lateral force, ensures the stability of the forming force, and achieves higher precision, longer life and more complex forming requirements. It is suitable for high-end manufacturing scenarios such as high-strength steel, lightweight materials and complex multi-directional forming. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 A three-dimensional structural diagram of the strip and parts;

[0024] Figure 2 This is a three-dimensional structural view of a dovetail slider side shaping mold according to the present invention;

[0025] Figure 3 This is a perspective view of the lower mold base of this utility model;

[0026] Figure 4 This is a perspective view of the upper mold base of this utility model;

[0027] Figure 5 The three-dimensional side shaping component of this utility model Figure 1 ;

[0028] Figure 6 The three-dimensional side shaping component of this utility model Figure 2 .

[0029] The labels in the diagram represent:

[0030] 1. Upper mold base; 2. Lower mold base; 3. Side forming assembly; 31. Dovetail slider; 32. Dovetail fixing seat; 33. Ejector pin; 34. Ejector pin fixing seat; 35. Drive pressure block; 4. Strip positioning assembly; 41. Strip support block; 42. Strip pressure block; 43. Pressure pin; 44. Strip positioning pin; 45. Strip positioning hole; 5. Main body forming assembly; 51. Upper concave block; 52. Upper convex block; 53. Lower convex block; 54. Lower concave block; 6. Punching assembly; 61. Forming punch; 62. Pressure pin; 63. Hole enlarging punch; 7. Strip; 8. Part; 81. Main body; 82. Flanging; 83. Folding. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0032] Example 1: In some embodiments, please refer to the accompanying drawings. Figures 1-6 A dovetail slider side shaping mold includes an upper mold base 1 and a lower mold base 2 used in conjunction;

[0033] A material strip positioning assembly 4 is installed between the upper mold base 1 and the lower mold base 2, and a first forming assembly and a second forming assembly for step-by-step forming of the part 8 are installed between the upper mold base 1 and the lower mold base 2 along the conveying direction of the material strip 7. The first forming assembly and the second forming assembly are each provided in two sets and symmetrically distributed on both sides of the material strip positioning assembly 4, so that the mold of this application has the function of producing two parts at once.

[0034] Both the first forming assembly and the second forming assembly include a main forming assembly 5 and a punching assembly 6. The main forming assembly 5 and the punching assembly 6 are installed between the upper mold base 1 and the lower mold base 2. The main forming assembly 5 is used to form the main body 81 and the flange 82 of the part 8, and the punching assembly 6 is used to perform punching operations on the part 8 simultaneously. The first forming assembly also includes a side shaping assembly 3, which is used to shape the folded edge 83 of the part 8.

[0035] In this invention, the strip 7 and the part 8 are conveyed between the upper mold base 1 and the lower mold base 2 and first pass through the first forming assembly. When the upper mold base 1 and the lower mold base 2 are closed, the main body forming assembly 5 forms the main body 81 and the flange 82 of the part 8. At the same time, the punching assembly 6 performs preliminary punching on the part 8 and the side shaping assembly 3 performs shaping operations on the folded edge 83 of the part 8. Subsequently, the part 8 passes through the second forming assembly. When the upper mold base 1 and the lower mold base 2 are closed, the main body forming assembly 5 fixes the part 8, and the punching assembly 6 performs punching operations on other parts of the part 8 and enlarges the already formed holes.

[0036] The side shaping component 3 includes a dovetail slider 31, a dovetail fixing seat 32, an elastic ejection component, and a driving component. The dovetail fixing seat 32 is fixedly connected to the lower mold base 2. The dovetail slider 31 is located between the main forming component 5 and the dovetail fixing seat 32 and is slidably connected to the dovetail fixing seat 32. The lower end of the upper mold base 1 is equipped with a driving component for pressing down the dovetail slider 31, and the lower end of the lower mold base 2 is equipped with an elastic ejection component for controlling the resetting of the dovetail slider 31.

[0037] The elastic ejector assembly includes an ejector pin 33 and an ejector pin fixing seat 34. The ejector pin fixing seat 34 is fixedly connected to the lower mold base 2. The upper end of the ejector pin fixing seat 34 is slidably connected to the ejector pin 33. An elastic element is installed inside the ejector pin fixing seat 34. The upper and lower ends of the elastic element are fixedly connected to the ejector pin 33 and the ejector pin fixing seat 34, respectively. The elastic element can be a compression spring. The upper end of the ejector pin 33 abuts against the lower end of the dovetail slider 31.

[0038] The driving assembly includes a driving block 35, which is fixedly installed at the lower end of the upper mold base 1. The driving block 35 is used to press down the dovetail slider 31.

[0039] When the upper mold base 1 and the lower mold base 2 are closed, the driving pressure block 35 presses down the dovetail slider 31, causing the dovetail slider 31 to slide along the dovetail fixing seat 32, so that the side of the dovetail slider 31 is pushed towards the main body forming component 5, thereby achieving the shaping effect of the folded edge 83 of the part 8. In addition, the dovetail slider 31 presses the ejector pin 33 into the ejector pin fixing seat 34. When the upper mold base 1 and the lower mold base 2 are separated, the elastic element pushes the ejector pin 33, so that the ejector pin 33 drives the dovetail slider 31 to reset, releasing the folded edge 83 of the part 8.

[0040] The angle between the sliding surfaces of the dovetail slider 31 and the dovetail fixing seat 32 and the horizontal plane is the critical value of the friction angle, specifically between 55 and 60 degrees. The inclined plane self-locking effect can suppress the slider backing caused by lateral force, ensuring the stability of the shaping force. At the same time, it effectively reduces the overall size of the dovetail slider 31 and the dovetail fixing seat 32, so that they can be installed in narrow spaces and meet the stroke requirements.

[0041] The main molding component 5 includes an upper concave block 51, an upper protrusion 52, a lower protrusion 53 and a lower concave block 54. The upper concave block 51 and the upper protrusion 52 are fixedly installed at the lower end of the upper mold base 1, and the lower protrusion 53 and the lower concave block 54 are fixedly installed at the upper end of the lower mold base 2. The upper concave block 51 and the lower protrusion 53 cooperate with the flange 82 of the molding part 8.

[0042] The punching component 6 of the first forming component includes a pressure pin 62, which is fixedly installed at the lower end of the upper mold base 1. Multiple pressure pins 62 are distributed along the length of the upper mold base 1. The pressure pins 62 are used to press and fix the body 81 of the part 8 onto the recessed block 54.

[0043] The punching component 6 of the second forming component includes a reaming punch 63 and a forming punch 61. The reaming punch 63 is used to ream the holes on the body 81 of the part 8, and the forming punch 61 is used to directly form other holes on the body 81 of the part 8.

[0044] The lower die base 2 is provided with multiple blanking grooves that correspond one-to-one with the expanding punch 63 and the forming punch 61 and are inserted into each other, for discharging punching waste.

[0045] The strip positioning assembly 4 includes a strip support block 41, a strip pressing block 42, pressing pins 43, strip positioning pins 44, and strip positioning holes 45. The strip support block 41 is fixedly installed on the upper end of the lower mold base 2, and the strip pressing block 42 is fixedly installed on the lower end of the upper mold base 1. Multiple pressing pins 43 for pressing the strip 7 onto the strip support block 41 are fixedly installed on the strip pressing block 42 along the length of the strip pressing block 42. Multiple strip positioning pins 44 are also fixedly installed on the strip pressing block 42. The strip support block 41 has strip positioning holes 45 that correspond one-to-one with the strip positioning pins 44 and are inserted into each other. The strip positioning pins 44 are tapered.

[0046] In this utility model, when the upper mold base 1 and the lower mold base 2 are closed, the material strip 7 is positioned by the material strip positioning pin 44 and the material strip positioning hole 45 in conjunction with the hole on the material strip 7, and the material strip 7 is pressed and fixed on the material strip support block 41 by the pressure pin 43 to prevent the position of the material strip 7 from shifting; when the part 8 passes through the first forming component, the main body 81 is pressed and fixed by the pressure pin 62, and when it passes through the second forming component, the already formed hole is enlarged by the hole enlarging punch 63, and at the same time, the forming punch 64 forms holes in other parts of the main body 81.

[0047] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A dovetail slider side forming mold, comprising an upper mold base (1) and a lower mold base (2) for cooperative use, characterized in that: A strip positioning assembly (4) is installed between the upper mold base (1) and the lower mold base (2), and a first forming assembly and a second forming assembly for step-by-step forming of the part (8) are installed between the upper mold base (1) and the lower mold base (2) along the conveying direction of the strip (7). The first forming assembly and the second forming assembly are provided in two sets and symmetrically distributed on both sides of the strip positioning assembly (4). Both the first forming component and the second forming component include a main forming component (5) and a punching component (6). The main forming component (5) and the punching component (6) are installed between the upper mold base (1) and the lower mold base (2). The main forming component (5) is used to form the main body (81) and the flange (82) of the part (8). The punching component (6) is used to perform punching operations on the part (8) simultaneously. The first forming component also includes a side shaping component (3). The side shaping component (3) is used to shape the folded edge (83) of the part (8).

2. The dovetail slider side shaping mold according to claim 1, characterized in that, The side shaping component (3) includes a dovetail slider (31), a dovetail fixing seat (32), an elastic ejection component, and a drive component. The dovetail fixing seat (32) is fixedly connected to the lower mold base (2). The dovetail slider (31) is located between the main forming component (5) and the dovetail fixing seat (32) and is limited and slidably connected to the dovetail fixing seat (32). The lower end of the upper mold base (1) is equipped with a drive component for pressing down the dovetail slider (31). The lower end of the lower mold base (2) is equipped with an elastic ejection component for controlling the reset of the dovetail slider (31).

3. The dovetail slider side shaping mold according to claim 2, characterized in that, The angle between the sliding surfaces of the dovetail slider (31) and the dovetail fixing seat (32) and the horizontal plane is between 55 and 60 degrees.

4. The dovetail slider side shaping mold according to claim 2, characterized in that, The elastic ejector assembly includes an ejector pin (33) and an ejector pin holder (34). The ejector pin holder (34) is fixedly connected to the lower mold base (2). The upper end of the ejector pin holder (34) is slidably connected to the ejector pin (33). An elastic element is installed inside the ejector pin holder (34). The upper and lower ends of the elastic element are fixedly connected to the ejector pin (33) and the ejector pin holder (34) respectively. The upper end of the ejector pin (33) abuts against the lower end of the dovetail slider (31).

5. The dovetail slider side shaping mold according to claim 2, characterized in that, The driving assembly includes a driving block (35), which is fixedly installed at the lower end of the upper mold base (1). The driving block (35) is used to press down the dovetail slider (31).

6. The dovetail slider side shaping mold according to claim 1, characterized in that, The punching component (6) of the first forming component includes a pressure pin (62), which is fixedly installed at the lower end of the upper mold base (1). Multiple pressure pins (62) are distributed along the length direction of the upper mold base (1). The pressure pins (62) are used to press and fix the body (81) of the part (8).

7. The dovetail slider side shaping mold according to claim 1, characterized in that, The punching component (6) of the second forming component includes a reaming punch (63) and a forming punch (61). The reaming punch (63) is used to ream the holes on the body (81) of the part (8), and the forming punch (61) is used to directly form other holes on the body (81) of the part (8).

8. The dovetail slider side shaping mold according to claim 1, characterized in that, The strip positioning assembly (4) includes a strip support block (41), a strip pressing block (42), a pressing pin (43), and a strip positioning pin (44). The strip support block (41) is fixedly installed on the upper end of the lower mold base (2), and the strip pressing block (42) is fixedly installed on the lower end of the upper mold base (1). Multiple pressing pins (43) for pressing the strip (7) onto the strip support block (41) are fixedly installed on the strip pressing block (42) along the length direction of the strip pressing block (42). Multiple strip positioning pins (44) are also fixedly installed on the strip pressing block (42). The strip support block (41) is provided with strip positioning holes (45) that correspond one-to-one with the strip positioning pins (44) and are inserted into each other.

Images