Z-shaped plate forming and forging method

Abstract

The invention discloses a Z-shaped plate forming and forging method. A Z-shaped plate comprises a main body A, a main body B, a main body C, a main body D and a main body E. The main body A is connected with one end of the main body C through the main body B, and the other end of the main body C is connected with one end of the main body E through the main body D. The blank is forged through the surface on the forming part of the die core and the male die, the Z-shaped plate in a complex shape is obtained through one-time machining, the forming tool has the advantages of being simple in operation, continuous in material metal flow line and uniform in structure, bending and forging can be continuously conducted in the production process, the obtained product is small in machining allowance, the production efficiency is high, and the production cost is low. And the manufacturing cost can be effectively reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of mechanical manufacturing, and in particular relates to a Z-shaped plate forming and forging method. Background Art

[0002] Some Z-shaped plates have inconsistent thickness in different parts in the main viewing direction and are trapezoidal structures in the top view. They are commonly used connecting parts in various mechanical components and are subject to high loads during use. According to the high load requirements for their use, they generally need to undergo forging processing to meet the use requirements. However, due to the complex shape of such parts, conventional forging is difficult to form. The current conventional manufacturing method is generally to forge the product as a whole into a regular plate-shaped forging, and then machine it to the final required size. This method has a large processing allowance, resulting in large processing stress, and it is difficult to ensure the final dimensional accuracy. The product streamline is discontinuous and the quality is unstable. In addition, the material utilization rate is low, the production efficiency is low, and the manufacturing cost is high. Therefore, it is necessary to seek a device for forming Z-shaped plate products in a continuous manner, so that the product can be quickly formed, reduce the processing allowance, maintain the continuity of the organization, and improve the product quality.

[0003] The patent document with the announcement number CN114160726A discloses a forging method for forming a "Z" type forging. It includes: forging the first blank into a rectangular parallelepiped with a square cross section; setting four material dividing points on the first blank to divide the first blank into five sections, respectively stretching the first section, the third section and the fifth section to obtain a second blank with a boss on the upper side, wherein the boss is located in the second section and the fourth section; bending the center of the boss of the second section of the second blank in the first direction, and bending the center of the boss of the fourth section of the second blank in the second direction to obtain a forged blank, the first direction and the second direction are opposite; placing the forged blank in a die, and pressing it with a forging equipment to obtain a forging; using a special pallet to compare with the forging, and adding 1 fire forming when it is not covered, until it is covered, and the size of the pallet is equal to the outer contour size of the part. The streamline direction of the forging is guaranteed, the consumption of raw materials is reduced, and the comprehensive performance and life of the forging are improved.

[0004] This patent completes the forming of "Z"-shaped forgings by designing forging blanks and using special dies. The die structure is different from the detachable type of this application. At the same time, the forging process in this patent requires heating and insulation, which has certain requirements on production costs and time. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides a Z-shaped plate forming and forging method.

[0006] The present invention is achieved through the following technical solutions.

[0007] The present invention provides a Z-shaped plate, comprising a main body A, a main body B, a main body C, a main body D and a main body E, wherein the main body A is connected to one end of the main body C through the main body B, and the other end of the main body C is connected to one end of the main body E through the main body D.

[0008] Preferably, the main body A, the main body C and the main body E are arranged in parallel, the main body D is arranged obliquely, the width of the main body A is smaller than the width of the main body E, and the thickness of the main body C is ≧the thickness of the main body A≧the thickness of the main body E.

[0009] Preferably, bevel edges A are respectively arranged on both sides of the main body C, and bevel edges B are respectively arranged on both sides of the main body D.

[0010] A Z-shaped plate forming forging method comprises the following steps:

[0011] S1: Forging the blank, placing the blank into the forming tool,

[0012] S2: The forming tool is placed in the forging equipment, and the Z-shaped plate forging is obtained by extruding the blank by the forming tool, and the Z-shaped plate is prepared through subsequent mechanical processing.

[0013] Preferably, the blank includes a body F, a body G and a body H, one end of the body F is connected through one end of the body G and the body H, the thickness of the body F is ≧ the thickness of the body G ≧ the thickness of the body H, a step is set on one side of the body G, bevels C are set on both sides of the body G, and bevels D are set on both sides of the body H near one end of the body G.

[0014] Preferably, the forming tooling includes a mold sleeve, a mold core and a male mold. An inner cavity is arranged on the mold sleeve, and the shape of the inner cavity corresponds to the shape of the blank. The mold core and the male mold are placed in the inner cavity and are slidably connected. The mold core is placed below the male mold. When in use, the blank is placed on the mold core in the inner cavity and is located below the male mold, and the blank is extruded by the mold core and the male mold.

[0015] Preferably, an inclined surface A, a groove A and a groove C are provided on the mold core, one side of the inclined surface A is connected to one side of the groove A, the other side of the groove A is connected to one side of the groove C, and the groove A and the groove C are both V-shaped.

[0016] Preferably, the connection between the inclined surface A and the groove A is a protrusion A, the connection between the groove A and the groove C is a protrusion B, and the top height of the protrusion A is greater than or equal to the top height of the groove C away from the protrusion B.

[0017] Preferably, a groove D, a groove E and a protrusion C are provided on the male mold, one side of the groove D is connected to one side of the groove E, the other side of the groove E is connected to one side of the protrusion C, the protrusion C is V-shaped, the connection between the groove D and the groove E is the protrusion D, the groove D and the groove E are both V-shaped, and the top height of the protrusion C is ≧ the top height of the protrusion D.

[0018] Preferably, in step S1, after the blank is forged, the blank is heated at an initial forging temperature of 430-490° C., kept warm for 1.5-2.5 hours, and placed in a forming tool after being taken out of the furnace.

[0019] The beneficial effects of the present invention are:

[0020] The present invention performs forging processing on the blank by facing the forming parts of the die core and the male die, so that a Z-shaped plate with a complex shape can be obtained by one-time processing. The forming tooling of the present invention has the advantages of simple operation, continuous material metal streamlines and uniform organization. It can continuously perform bending and forging in the production process. The obtained product has a small processing allowance and high production efficiency, which can effectively reduce the manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the forming tooling of the present invention;

[0022] Figure 2 It is a structural schematic diagram of the mold sleeve of the present invention;

[0023] Figure 3 is a front view of the Z-shaped plate of the present invention;

[0024] Figure 4 is a top view of the Z-shaped plate of the present invention;

[0025] Figure 5 It is a front view of the blank of the present invention;

[0026] Figure 6 is a top view of the blank of the present invention;

[0027] Figure 7 is a front view of the Z-shaped plate forging of the present invention;

[0028] Figure 8 is a top view of the Z-shaped plate forging of the present invention;

[0029] In the figure: 1-main body A, 2-main body B, 3-main body C, 31-bevel A, 4-main body D, 41-bevel B, 5-main body E, 6-blank, 61-main body F, 62-main body G, 63-main body H, 64-step, 65-bevel C, 66-bevel D, 7-die sleeve, 71-inner cavity, 8-die core, 81-inclined surface A, 82-groove A, 83-groove C, 84-protrusion A, 85-protrusion B, 9-male die, 91-groove D, 92-groove E, 93-protrusion C, 94-protrusion D, 10-Z-shaped plate forging. DETAILED DESCRIPTION

[0030] The technical solution of the present invention is further described below, but the scope of protection claimed is not limited to the description.

[0031] Example:

[0032] like Figures 1 to 8 As shown, a Z-shaped plate includes a body A1, a body B2, a body C3, a body D4 and a body E5, wherein the body A1 is connected to one end of the body C3 through the body B2, and the other end of the body C3 is connected to one end of the body E5 through the body D4.

[0033] The body A1, the body C3 and the body E5 are arranged in parallel, the body D4 is arranged obliquely, the width of the body A1 is smaller than the width of the body E5, and the thickness of the body C3 is ≧the thickness of the body A1 ≧the thickness of the body E5.

[0034] The two sides of the main body C3 are respectively provided with oblique edges A31, and the two sides of the main body D4 are respectively provided with oblique edges B41.

[0035] A Z-shaped plate forming forging method comprises the following steps:

[0036] S1: Forging the blank 6 by conventional methods, placing the blank 6 into the forming tool, placing the die core 8 in the center at the bottom of the inner cavity 71 during assembly, and forming a lower die cavity, and then pressing the male die 9 in the center into the inner cavity 71 until one side of the forming part of the male die 9 is completely pressed into the inner cavity 71 to form a forming cavity, and the whole is assembled into the forming tool;

[0037] S2: placing the forming tool in the forging equipment, and obtaining the Z-shaped plate forging 10 by extruding the blank 6 through the forming tool. The Z-shaped plate is prepared through subsequent mechanical processing. The mechanical processing is a conventional process and is processed according to the actual specific requirements of the Z-shaped plate.

[0038] The blank 6 includes a main body F61, a main body G62 and a main body H63, one end of the main body F61 is connected through one end of the main body G62 and the main body H63, the thickness of the main body F61 is ≧ the thickness of the main body G62 ≧ the thickness of the main body H63, a step 64 is set on one side of the main body G62, and bevels C65 are set on both sides of the main body G62, and bevels D66 are set on both sides of one end of the main body H63 close to the main body G62.

[0039] The forming tooling includes a die sleeve 7, a die core 8 and a male die 9. An inner cavity 71 is arranged on the die sleeve 7. The shape of the inner cavity 71 corresponds to the shape of the blank 6 so as to position the blank 6. The die core 8 and the male die 9 are placed in the inner cavity 71 for sliding connection. The die core 8 is placed below the male die 9. When in use, the blank 6 is placed on the die core 8 in the inner cavity 71 and is located below the male die 9. The blank 6 is extruded by the die core 8 and the male die 9.

[0040] An inclined surface A81, a groove A82 and a groove C83 are provided on one side of the forming part of the mold core 8, one side of the inclined surface A81 is connected to one side of the groove A82, and the other side of the groove A82 is connected to one side of the groove C83, and the groove A82 and the groove C83 are both V-shaped.

[0041] The connection between the inclined surface A81 and the groove A82 is a protrusion A84, and the connection between the groove A82 and the groove C83 is a protrusion B85. The top height of the protrusion A84 is ≧the top height of the groove C83 away from the protrusion B85 and ≧the top height of the protrusion B85.

[0042] A groove D91, a groove E92 and a protrusion C93 are arranged on one side of the forming part of the male mold 9, one side of the groove D91 is connected to one side of the groove E92, the other side of the groove E92 is connected to one side of the protrusion C93, the protrusion C93 is V-shaped, the connection between the groove D91 and the groove E92 is the protrusion D94, the groove D91 and the groove E92 are both V-shaped, and the top height of the protrusion C93 is ≧ the top height of the protrusion D94.

[0043] When the forming tooling is assembled, the deepest part of groove D91 is located above protrusion A84, protrusion D94 is located above the deepest part of groove A82, the deepest part of groove E92 is located above protrusion B85, and protrusion C93 is located above the deepest part of groove C83.

[0044] In the step S1, after forging the blank 6, the blank 6 is heated at an initial forging temperature of 430-490°C, kept warm for 1.5-2.5 hours, preferably kept warm at 460°C for 2 hours, and placed in a forming tool after being taken out of the furnace.

Claims

1. A Z-shaped plate, characterized in that: The invention comprises a main body A (1), a main body B (2), a main body C (3), a main body D (4) and a main body E (5), wherein the main body A (1) is connected to one end of the main body C (3) through the main body B (2), and the other end of the main body C (3) is connected to one end of the main body E (5) through the main body D (4).

2. A Z-shaped plate as claimed in claim 1, characterized in that: The main body A (1), the main body C (3) and the main body E (5) are arranged in parallel, the main body D (4) is arranged at an angle, the width of the main body A (1) is smaller than the width of the main body E (5), and the thickness of the main body C (3) is ≧ the thickness of the main body A (1) ≧ the thickness of the main body E (5).

3. A Z-shaped plate as claimed in claim 1, characterized in that: The two sides of the main body C (3) are respectively provided with oblique edges A (31), and the two sides of the main body D (4) are respectively provided with oblique edges B (41).

4. A Z-shaped plate forming forging method as claimed in any one of claims 1 to 3, characterized in that: The following steps are involved: S1: Forging a blank (6), placing the blank (6) into a forming tool; S2: placing a forming tool in a forging device, extruding the blank (6) through the forming tool to obtain a Z-shaped plate forging (10), and completing the preparation of the Z-shaped plate through subsequent mechanical processing.

5. A Z-shaped plate forming and forging method as claimed in claim 4, characterized in that: The blank (6) comprises a main body F (61), a main body G (62) and a main body H (63), one end of the main body F (61) is connected through one end of the main body G (62) and the main body H (63), the thickness of the main body F (61) is ≧ the thickness of the main body G (62) ≧ the thickness of the main body H (63), a step (64) is provided on one side of the main body G (62), bevels C (65) are provided on both sides of the main body G (62), and bevels D (66) are provided on both sides of one end of the main body H (63) close to the main body G (62).

6. A Z-shaped plate forming and forging method as claimed in claim 4, characterized in that: The forming tool comprises a die sleeve (7), a die core (8) and a male die (9); an inner cavity (71) is arranged on the die sleeve (7); the shape of the inner cavity (71) corresponds to the shape of the blank (6); the die core (8) and the male die (9) are arranged in the inner cavity (71) for sliding connection; the die core (8) is arranged below the male die (9); when in use, the blank (6) is placed on the die core (8) in the inner cavity (71) and is located below the male die (9); the blank (6) is extruded by the die core (8) and the male die (9).

7. A Z-shaped plate forming and forging method as claimed in claim 6, characterized in that: The mold core (8) is provided with an inclined surface A (81), a groove A (82) and a groove C (83), one side of the inclined surface A (81) is connected to one side of the groove A (82), and the other side of the groove A (82) is connected to one side of the groove C (83), and the groove A (82) and the groove C (83) are both V-shaped.

8. A Z-shaped plate forming and forging method as claimed in claim 7, characterized in that: The connection between the inclined surface A (81) and the groove A (82) is a protrusion A (84), and the connection between the groove A (82) and the groove C (83) is a protrusion B (85). The top height of the protrusion A (84) is greater than or equal to the top height of the groove C (83) on the side away from the protrusion B (85).

9. A Z-shaped plate forming and forging method as claimed in claim 6, characterized in that: The male mold (9) is provided with a groove D (91), a groove E (92) and a protrusion C (93), one side of the groove D (91) is connected to one side of the groove E (92), the other side of the groove E (92) is connected to one side of the protrusion C (93), the protrusion C (93) is V-shaped, the connection between the groove D (91) and the groove E (92) is the protrusion D (94), the groove D (91) and the groove E (92) are both V-shaped, and the top height of the protrusion C (93) is greater than or equal to the top height of the protrusion D (94).

10. A Z-shaped plate forming and forging method as claimed in claim 4, characterized in that: In the step S1, after the blank (6) is forged, the blank (6) is heated at an initial forging temperature of 430-490° C., kept warm for 1.5-2.5 hours, and placed in a forming tool after being taken out of the furnace.

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