Copper alloy bar extrusion forming die
By designing a copper alloy rod extrusion mold with cutoff and heating functions, the problems of difficulty in movement and low production efficiency caused by the end and heat residue of copper alloy rods are solved, and a more efficient and safe production process is achieved.
Patent Information
- Application Number
- CN202421852717.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-02
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-08-02
AI Technical Summary
After extrusion molding of existing copper alloy rod extrusion molds, the ends of the copper alloy rods are easily retained, which increases the difficulty of workers' movement, and the residual heat of the molded rods makes it difficult to move. As the pressure is cooled, the difficulty of extrusion increases, affecting production efficiency.
A copper alloy rod extrusion molding mold including a base plate, a secondary hydraulic cylinder, a shell, a heating tank and a main motor is designed. The main screw rod and push plate are driven by the main motor to cut off the end of the copper alloy rod, and the mold body is uniformly heated through the heating assembly to keep the copper alloy rod at a suitable temperature.
This mold can effectively reduce the difficulty and danger of copper alloy rod movement, while reducing the difficulty of extrusion forming, and improving the production efficiency of copper alloy rods.
Smart Images
Figure CN222739958U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of extrusion dies, and particularly relates to an extrusion forming die for copper alloy bars. Background Art
[0002] At present, most copper alloy bars are produced by extrusion forming. Most of the extrusion forming dies for copper alloy bars on the market require users to manually take out the copper alloy bars after extrusion forming. However, the end of the extruded copper alloy bar is likely to remain in the extrusion forming die, which will increase the difficulty for workers to move the copper alloy bar. Moreover, the formed copper alloy bar usually still has relatively high heat remaining, so the copper alloy bar that is difficult to move is somewhat dangerous to workers. At the same time, the copper alloy bar will continuously lose heat during the extrusion process, and as the copper alloy bar gradually cools, it will increase the difficulty of extrusion forming of the copper alloy bar, thereby affecting the production efficiency of the copper alloy bar. Content of the Utility Model
[0003] In order to overcome the defects of the prior art, the present utility model provides an extrusion forming die for copper alloy bars to solve the problems raised in the above background art.
[0004] To achieve the above object, an extrusion forming die for copper alloy bars is provided, including: a bottom plate and a secondary hydraulic cylinder. The upper surface of the bottom plate is fixedly connected to a housing through a fixing plate. The housing is movably connected to a die body through a through groove. A heating groove is opened on the inner side surface of the through groove, and a heating component is fixedly connected in the heating groove. One end of the die body away from the heating groove is fixedly connected to a fixing ring, and the fixing ring is fixedly connected to the surface of the housing. At the same time, positioning plates are symmetrically connected to one side of the housing away from the fixing ring. The inner cavity of the positioning plate is movably connected to a main lead screw through a bearing. The upper surface of the positioning plate is fixedly connected to a main motor, and the main motor is connected to the main lead screw through a coupling. A push plate is slidably connected to the surface of the housing through the screwed main lead screw, and a cutting plate is fixedly connected to the lower surface of the push plate. The secondary hydraulic cylinder is fixedly connected to the surface of the bottom plate, and the telescopic rod of the secondary hydraulic cylinder is fixedly connected to a moving plate. The upper surface of the moving plate is fixedly connected to a main hydraulic cylinder through a positioning ring. At the same time, the telescopic rod of the main hydraulic cylinder is fixedly connected to an extrusion plate.
[0005] Preferably, the housing has a square structure, the through groove opened inside the housing has a cylindrical structure, and one end of the through groove close to the heating groove has a frustum shape. At the same time, the heating groove has an annular structure, and a heat insulation layer is fixedly connected to the inner wall of the heating groove. The heat insulation layer has an annular structure, and the cross section of the heat insulation layer has an inverted U shape.
[0006] Preferably, the two groups of positioning plates fixedly connected to the surface of the housing are both in a long strip shape, and the combination of the positioning plate and the inner cavity forms a [ shape structure. The inner cavity of one group of positioning plates is movably connected to a main lead screw, and a guide rod is fixedly connected to the inner cavity of the other group of positioning plates. At the same time, the guide rod has a cylindrical structure.
[0007] Preferably, the push plate has a long strip structure, one end of the push plate is screwed to the main screw through a screw hole, the other end of the push plate is slidably connected to the guide rod through a through hole, and the truncation plate fixedly connected to the surface of the push plate has a rectangular structure, and the cross-section of the truncation plate is a right-angled trapezoidal structure.
[0008] Preferably, three groups of fixing plates are fixedly connected at equal intervals on the lower surface of the shell, the end faces of the three groups of fixing plates are all in an I-shaped structure, and the through grooves provided in the shell are adapted to the size of the outer surface of the mold body, and the fixing ring fixedly connected to the mold body is in a circular ring structure, the fixing ring is fixedly connected to the shell by bolts, and at the same time, the inner cavity of the mold body close to the end of the cut-off plate is in a truncated cone structure.
[0009] Preferably, the movable plate has a rectangular structure, and four groups of positioning rods are fixedly connected at the four corners of the lower surface of the movable plate. The four groups of positioning rods are all cylindrical structures, and the axial cross-section of the positioning rods is a T-shaped structure. At the same time, positioning holes are opened on the surface of the bottom plate corresponding to the position of the positioning rods.
[0010] Preferably, the outer side surface of the master hydraulic cylinder is symmetrically connected to two groups of limiting rings, both of which are in a circular ring structure, and limiting grooves are provided on the inner side surface of the positioning ring and the upper surface of the movable plate relative to the limiting ring. At the same time, the positioning ring is in an Ω-shaped structure, and the positioning ring is fixedly connected to the upper surface of the movable plate by bolts, and the extrusion plate fixedly connected to the telescopic rod of the master hydraulic cylinder is in a truncated cone structure.
[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: through the cooperation of the main motor, the main screw, the positioning plate, the push plate and the cut-off plate, the extrusion forming die can perform corresponding cut-off processing on the end of the extruded copper alloy rod, thereby reducing the difficulty of moving the copper alloy rod, and then can assist in reducing the danger of workers moving the copper alloy rod. At the same time, through the cooperation of the fixing ring, the die body and the heating assembly, the extrusion end of the die body can be evenly heated, thereby ensuring that the copper alloy rod blank can be maintained at a suitable temperature, reducing the difficulty of extrusion forming of the copper alloy rod blank, thereby improving the production efficiency of the copper alloy rod. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a front view schematic diagram of an embodiment of the utility model.
[0013] Figure 2 It is a right side schematic diagram of an embodiment of the utility model.
[0014] Figure 3 It is a left side schematic diagram of an embodiment of the utility model.
[0015] Figure 4 The figure is a schematic diagram of the appearance of the shell of the embodiment of the utility model.
[0016] In the figure: 1. main hydraulic cylinder; 2. positioning ring; 3. limiting ring; 4. moving plate; 5. bottom plate; 6. positioning rod; 7. auxiliary hydraulic cylinder; 8. extrusion plate; 9. fixing ring; 10. fixing plate; 11. shell; 12. heating component; 13. heating tank; 14. mold body; 15. positioning plate; 16. main screw; 17. cutting plate; 18. push plate; 19. main motor. DETAILED DESCRIPTION
[0017] Reference Figures 1 to 4 As shown, the utility model provides a copper alloy bar extrusion forming die, comprising: a bottom plate 5 and a secondary hydraulic cylinder 7, the upper surface of the bottom plate 5 is fixedly connected to a shell 11 through a fixing plate 10, and the shell 11 is movably connected to a die body 14 through a through groove, and a heating groove 13 is provided on the inner side of the through groove, and a heating component 12 is fixedly connected to the heating groove 13, and an end of the die body 14 away from the heating groove 13 is fixedly connected to a fixing ring 9, and the fixing ring 9 is fixedly connected to the surface of the shell 11, and at the same time, a side of the shell 11 away from the fixing ring 9 is symmetrically connected to a positioning plate 15, and the positioning plate 15 is fixedly connected to the fixed ring 9. The inner cavity of the positioning plate 15 is movably connected to the main screw 16 through a bearing, and the upper surface of the positioning plate 15 is fixedly connected to the main motor 19, the main motor 19 is connected to the main screw 16 through a coupling, and the push plate 18 is slidably connected to the surface of the shell 11 through the screwed main screw 16, the lower surface of the push plate 18 is fixedly connected to the cut-off plate 17, the auxiliary hydraulic cylinder 7 is fixedly connected to the surface of the bottom plate 5, the telescopic rod of the auxiliary hydraulic cylinder 7 is fixedly connected to the moving plate 4, and the upper surface of the moving plate 4 is fixedly connected to the main hydraulic cylinder 1 through the positioning ring 2, and the telescopic rod of the main hydraulic cylinder 1 is fixedly connected to the extrusion plate 8.
[0018] In this embodiment, a copper alloy bar blank is placed into the mold body 14. The switch of the auxiliary hydraulic cylinder 7 is activated, and the telescopic rod of the auxiliary hydraulic cylinder 7 pushes the moving plate 4 and the main hydraulic cylinder 1 to move upward synchronously. Under the restriction of the positioning rod 6, the axes of the main hydraulic cylinder 1 and the mold body 14 are collinear. The switch of the main hydraulic cylinder 1 is activated, and the telescopic rod of the main hydraulic cylinder 1 pushes the extrusion plate 8 into the mold body 14. Then, the extrusion plate 8 can perform corresponding extrusion treatment on the copper alloy bar blank, and the copper alloy bar blank is extruded through the extrusion port of the mold body 14 to form a copper alloy bar. During the process of the extrusion plate 8 extruding the copper alloy bar blank, the switch of the heating component 12 is activated, and the heating component 12 heats the copper alloy bar blank at the extrusion end of the mold body 14 through the heating groove 13 to ensure that the copper alloy bar blank is maintained within a suitable temperature range, reducing the difficulty of extrusion molding. After the copper alloy bar blank is completely extruded and formed, the switch of the main motor 19 is activated. The main motor 19 drives the main lead screw 16 to rotate through a coupling. The main lead screw 16 pushes the two cutting plates 17 to move relative to each other through the screwed push plate 18. Then, the two cutting plates 17 can cut off the end of the copper alloy bar, disconnecting the connection between the copper alloy bar and the mold body 14, improving the convenience for workers to move the copper alloy bar, thereby assisting in improving the production efficiency of the copper alloy bar and reducing the danger when workers move the copper alloy bar.
[0019] As a preferred embodiment, the housing 11 has a square structure. The through groove formed inside the housing 11 has a cylindrical structure, and one end of the through groove close to the heating groove 13 has a frustum structure. At the same time, the heating groove 13 has an annular structure, and a heat insulation layer is fixedly connected to the inner wall of the heating groove 13. The heat insulation layer has an annular structure, and the cross section of the heat insulation layer has a 冂-shaped structure.
[0020] In this embodiment, as Figure 1 and Figure 2 , the setting of the heat insulation layer can effectively reduce the probability of the temperature in the heating groove 13 dissipating through the housing 11, ensuring the heating effect of the heating component 12 on the extrusion end of the mold body 14. At the same time, the heating component 12 is a common brand model on the market and has an overall annular structure to ensure the uniformity of the temperature during heating.
[0021] As a preferred embodiment, the two positioning plates 15 fixedly connected to the surface of the housing 11 both have a long strip structure, and the positioning plates 15 and the inner cavity together form a [-shaped structure. The main lead screw 16 is movably connected to the inner cavity of one group of positioning plates 15, and a guide rod is fixedly connected to the inner cavity of the other group of positioning plates 15. At the same time, the guide rod has a cylindrical structure.
[0022] In this embodiment, as Figure 1 and Figure 4The arrangement of the positioning plate 15 and the guide rod enables the main screw rod 16 to push the push plate 18, which can assist in enhancing the stability of the push plate 18 during movement, thereby ensuring that the two sets of cutting plates 17 can smoothly cut off the ends of the copper alloy rods.
[0023] As a preferred embodiment, the push plate 18 has a long strip structure, one end of the push plate 18 is screwed to the main screw 16 through a screw hole, the other end of the push plate 18 is slidably connected to the guide rod through a through hole, and the truncation plate 17 fixedly connected to the surface of the push plate 18 has a rectangular structure, and the cross-section of the truncation plate 17 is a right-angled trapezoidal structure.
[0024] In this embodiment, if Figure 1 and Figure 4 The structural setting of the cut-off plate 17 can help enhance the cut-off effect of the cut-off plate 17 on the end of the copper alloy rod, thereby disconnecting the connection between the mold body 14 and the copper alloy rod, helping to reduce the difficulty and danger of workers moving the copper alloy rod.
[0025] As a preferred embodiment, three groups of fixing plates 10 are fixedly connected at equal intervals on the lower surface of the shell 11, and the end faces of the three groups of fixing plates 10 are all in an I-shaped structure. The through grooves provided in the shell 11 are adapted to the size of the outer surface of the mold body 14, and the fixing ring 9 fixedly connected to the mold body 14 is in a circular ring structure. The fixing ring 9 is fixedly connected to the shell 11 by bolts, and at the same time, the end of the inner cavity of the mold body 14 close to the cutting plate 17 is in a truncated cone structure.
[0026] In this embodiment, if Figure 1 and Figure 2 The setting of the fixing plate 10 can help enhance the stability of the connection between the base plate 5 and the shell 11, and the lower surface of the base plate 5 is symmetrically connected with multiple groups of support columns, which can effectively enhance the stability of the extrusion molding die when it is placed. At the same time, the setting of the fixing ring 9 facilitates improving the efficiency of loading and unloading the mold body 14.
[0027] As a preferred embodiment, the movable plate 4 has a rectangular structure, and four groups of positioning rods 6 are fixedly connected at the four corners of the lower surface of the movable plate 4. The four groups of positioning rods 6 are all cylindrical structures, and the axial cross-section of the positioning rods 6 is a T-shaped structure. At the same time, positioning holes are opened on the surface of the bottom plate 5 corresponding to the position of the positioning rods 6.
[0028] In this embodiment, if Figure 1 and Figure 3 The sizes of the positioning holes and the positioning rods 6 are matched, so the stability of the positioning rods 6 and the movable plate 4 during movement can be effectively enhanced, and the arrangement of four groups of positioning rods 6 can also effectively enhance the stability of the main hydraulic cylinder 1 and the movable plate 4 in the horizontal plane, ensuring that the main hydraulic cylinder 1 can smoothly extrude the copper alloy bar blank through the extrusion plate 8.
[0029] As a preferred embodiment, two groups of limit rings 3 are symmetrically connected to the outer side of the master hydraulic cylinder 1, and the two groups of limit rings 3 are both in a circular ring structure, and limit grooves are provided on the inner side of the positioning ring 2 and the upper surface of the movable plate 4 relative to the position of the limit ring 3. At the same time, the positioning ring 2 is in an Ω-shaped structure, and the positioning ring 2 is fixedly connected to the upper surface of the movable plate 4 by bolts, and the extrusion plate 8 fixedly connected to the telescopic rod of the master hydraulic cylinder 1 is in a truncated cone structure.
[0030] In this embodiment, if Figure 1 and Figure 3 The mutual cooperation of the restraining ring 2, the limiting ring 3 and the movable plate 4 enables the main hydraulic cylinder 1 to be conveniently loaded and unloaded on the movable plate 4, thereby ensuring the stability of the main hydraulic cylinder 1 during operation. At the same time, the sizes of the extrusion plate 8 and the inner cavity of the mold body 14 are matched, which can assist in enhancing the sealing of the connection between the extrusion plate 8 and the mold body 14, and assist in enhancing the extrusion forming effect of the extrusion plate 8 on the copper alloy bar blank.
[0031] The copper alloy bar extrusion molding die of the utility model cooperates with the shell 11, the positioning plate 15, the main screw 16, the main motor 19, the push plate 18 and the cutting plate 17, so that the extrusion molding die can assist in cutting off the end of the copper alloy bar, thereby reducing the difficulty of workers moving the copper alloy bar, improving the efficiency of workers moving the copper alloy bar, and helping to reduce the danger of workers moving the copper alloy bar. In addition, through the cooperation of the heating component 12, it can help reduce the difficulty of extrusion molding of the copper alloy bar blank.
Claims
1. A copper alloy bar extrusion forming die, comprising: A bottom plate (5) and a secondary hydraulic cylinder (7), characterized in that: the upper surface of the bottom plate (5) is fixedly connected to a housing (11) through a fixing plate (10), and a die body (14) is movably connected to the inside of the housing (11) through a through groove. A heating groove (13) is formed on the inner side surface of the through groove, a heating component (12) is fixedly connected inside the heating groove (13), and a fixing ring (9) is fixedly connected to one end of the die body (14) away from the heating groove (13), and the fixing ring (9) is fixedly connected to the surface of the housing (11). At the same time, positioning plates (15) are symmetrically connected to one side of the housing (11) away from the fixing ring (9). A main lead screw (16) is movably connected to the inner cavity of the positioning plate (15) through a bearing, and a main motor (19) is fixedly connected to the upper surface of the positioning plate (15). The main motor (19) is connected to the main lead screw (16) through a coupling, and a push plate (18) is slidably connected to the surface of the housing (11) through the screwed main lead screw (16). A cutting plate (17) is fixedly connected to the lower surface of the push plate (18). The secondary hydraulic cylinder (7) is fixedly connected to the surface of the bottom plate (5), the telescopic rod of the secondary hydraulic cylinder (7) is fixedly connected to a moving plate (4), and a main hydraulic cylinder (1) is fixedly connected to the upper surface of the moving plate (4) through a restraint ring (2). At the same time, the telescopic rod of the main hydraulic cylinder (1) is fixedly connected to a pressing plate (8).
2. The copper alloy bar extrusion forming die according to claim 1, characterized in that: The housing (11) has a square structure, the through groove formed inside the housing (11) has a cylindrical structure, and one end of the through groove close to the heating groove (13) has a frustum-shaped structure. At the same time, the heating groove (13) has an annular structure, and a heat insulation layer is fixedly connected to the inner wall of the heating groove (13). The heat insulation layer has an annular structure, and the cross section of the heat insulation layer has a 冂-shaped structure.
3. The copper alloy bar extrusion forming die according to claim 1, characterized in that: The two groups of positioning plates (15) fixedly connected to the surface of the housing (11) both have a long strip structure, and the combination of the positioning plate (15) and the inner cavity forms a [-shaped structure. A main lead screw (16) is movably connected to the inner cavity of one group of positioning plates (15), a guide rod is fixedly connected to the inner cavity of the other group of positioning plates (15), and the guide rod has a cylindrical structure.
4. The copper alloy bar extrusion forming die according to claim 1, characterized in that: The push plate (18) has a long strip structure. One end of the push plate (18) is screwed to the main lead screw (16) through a threaded hole, and the other end of the push plate (18) is slidably connected to the guide rod through a through hole. The cutting plate (17) fixedly connected to the surface of the push plate (18) has a rectangular structure, and the cross section of the cutting plate (17) has a right trapezoid structure.
5. The copper alloy bar extrusion forming die according to claim 1, characterized in that: Three groups of fixing plates (10) are fixedly connected to the lower surface of the housing (11) at equal intervals. The end surfaces of the three groups of fixing plates (10) all have an I-shaped structure. The size of the through groove formed in the housing (11) is adapted to the outer side surface of the die body (14). The fixing ring (9) fixedly connected to the die body (14) has an annular structure. The fixing ring (9) is fixedly connected to the housing (11) through bolts. At the same time, one end of the inner cavity of the die body (14) close to the cutting plate (17) has a frustum-shaped structure.
6. The copper alloy bar extrusion forming die according to claim 1, characterized in that: The movable plate (4) has a rectangular structure, and four groups of positioning rods (6) are fixedly connected at the four corners of the lower surface of the movable plate (4). The four groups of positioning rods (6) are all cylindrical structures, and the axial cross-section of the positioning rods (6) is a T-shaped structure. At the same time, positioning holes are provided on the surface of the bottom plate (5) corresponding to the positions of the positioning rods (6).
7. The copper alloy bar extrusion forming die according to claim 1, characterized in that: The outer side surface of the master hydraulic cylinder (1) is symmetrically connected to two groups of limit rings (3), both groups of limit rings (3) are in a circular ring structure, and the inner side surface of the positioning ring (2) and the upper surface of the movable plate (4) are provided with limit grooves at positions relative to the limit rings (3), and the positioning ring (2) is in an Ω-shaped structure, and the positioning ring (2) is fixedly connected to the upper surface of the movable plate (4) by bolts, and the extrusion plate (8) fixedly connected to the telescopic rod of the master hydraulic cylinder (1) is in a truncated cone structure.