High-precision special-shaped copper strip forging and pressing forming die

Abstract

The utility model relates to the technical field of dies, and particularly discloses a high-precision special-shaped copper strip forging forming die which comprises an upper die, a lower die is placed above the upper die, isolation pads are arranged at the two ends of the upper die and the two ends of the lower die, and positioning grooves are formed in the faces, corresponding to the isolation pads, of the upper die and the lower die. A positioning block is fixedly mounted on the outer portion of each isolation pad, each fixing mechanism comprises a built-in groove, a guide groove, a sliding block, a moving groove and a handle, and before the upper mold and the lower mold are mounted, the positioning blocks on the outer portions of the isolation pads are inserted into the positioning grooves; at the moment, the handle is moved to drive the sliding block to move towards the outside of the guide groove until the sliding block is clamped in the built-in groove, the handle cannot move at the moment, the isolation pad is installed at the moment, the isolation pad avoids local stress concentration and surface damage caused by direct contact of the mold and the pressing block screw rod, and therefore the flatness of the surface of the mold is guaranteed; and the overall precision of the mold is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of mold technology, and in particular to a high-precision forging mold for irregularly shaped copper strips. Background Technology

[0002] High-precision irregular-shaped copper strip forging die is a key tooling equipment used in the field of copper strip processing, specifically designed to forge copper strip blanks into products with high precision and specific irregular cross-sectional shapes. It has the following structure:

[0003] 1. Upper mold; is the key component that determines the final irregular shape of the copper strip;

[0004] 2. Lower mold: Used in conjunction with the upper mold to form the required irregular cross-sectional shape.

[0005] The upper and lower molds are usually fixed directly by the pressure block screw. The mold and the pressure block screw are in direct contact. During long-term use, the fastening force generated by the pressure block screw will cause local stress concentration on the mold surface, leaving indentations on the mold surface, damaging the flatness of the mold surface, and thus affecting the overall accuracy of the mold. Utility Model Content

[0006] To address the shortcomings of existing technologies, this utility model provides a high-precision forging die for irregularly shaped copper strips, which solves the technical problem that during long-term use, the tightening force generated by the pressure block screw causes local stress concentration on the die surface, leaving indentations on the die surface, damaging the flatness of the die surface, and thus affecting the overall precision of the die.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A high-precision forging die for irregularly shaped copper strip includes an upper die and a lower die placed on top of the upper die. Isolation pads are provided at both ends of both the upper and lower dies. Positioning grooves are formed on one side of each isolation pad corresponding to the isolation pad. A positioning block is fixedly installed on the outside of each isolation pad, and the positioning block is slidably connected inside the positioning groove. A fixing mechanism for fixing the isolation pad is provided at both ends of each isolation pad. Each fixing mechanism includes an internal groove, a guide groove, a slider, a moving groove, and a handle. The internal groove is located inside the positioning groove, the guide groove is located outside the positioning block, the slider is engaged with the guide groove and the internal groove and is used to fix the positioning block, the moving groove is located on the side of the isolation pad away from the positioning groove, and the moving groove communicates with the guide groove. The handle is slidably connected inside the moving groove and is fixedly installed on the outside of the slider and is used to push the slider.

[0009] Preferably, each isolation pad has a through hole on one side corresponding to the handle, and a bolt is rotatably connected inside each through hole. Each handle has a threaded hole on the outside, and the bolt is threaded into the inside of the threaded hole.

[0010] Preferred configuration: Each handle has an external mounting block, a threaded hole on the outside of the mounting block, an external mounting groove on the outside of each handle, the mounting block snaps into the inside of the mounting groove, and an opening is provided on the side of each handle corresponding to the mounting groove, and bolts are threadedly connected to the inside of the threaded hole through the opening, facilitating the replacement of the threaded hole.

[0011] Preferably, each through hole has a placement hole on the side away from the threaded hole, and the end of the bolt away from the threaded hole is rotatably connected to the inside of the placement hole to avoid bolt damage caused by bolt protrusion.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. Before installing the upper and lower molds, insert the positioning block outside the isolation pad into the positioning groove. Then, move the handle to move the slider outwards into the guide groove until the slider is engaged inside the inner groove. At this point, the handle cannot be moved. The isolation pad is now installed. The isolation pad prevents local stress concentration and surface damage caused by direct contact between the mold and the pressure block screw, thus ensuring the flatness of the mold surface and the overall accuracy of the mold.

[0014] 2. When the threaded hole is damaged, use a tool to insert through the threaded hole to push the mounting block. When the mounting block is partially moved out of the mounting groove, pull the mounting block to disconnect it from the mounting groove. At this time, the mounting block is disassembled and the threaded hole is disassembled. Insert the new mounting block into the mounting groove. This process does not require replacing the entire handle, reducing maintenance costs. Attached Figure Description

[0015] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This utility model Figure 1 Structural diagram of the middle and lower mold;

[0018] Figure 3 This utility model Figure 2 Cross-sectional view of the central isolation pad;

[0019] Figure 4 This utility model Figure 3 Structural diagram of the middle slider;

[0020] Figure 5 This utility model Figure 4 Exploded view of the middle handle;

[0021] Figure 6 This utility model Figure 1 A magnified structural diagram of A in the middle.

[0022] Legend: 1. Upper mold; 2. Lower mold; 3. Isolation pad; 4. Positioning groove; 5. Positioning block; 6. Internal groove; 7. Guide groove; 8. Slider; 9. Moving groove; 10. Handle; 11. Through hole; 12. Bolt; 13. Threaded hole; 14. Mounting block; 15. Mounting groove; 16. Opening; 17. Placement hole. Detailed Implementation

[0023] This application provides a high-precision forging die for irregularly shaped copper strips, which effectively solves the technical problem that during long-term use, the tightening force generated by the pressure block screw causes local stress concentration on the die surface, leaving indentations on the die surface, damaging the flatness of the die surface, and thus affecting the overall precision of the die.

[0024] Example

[0025] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the technical solution in this application embodiment effectively solves the technical problem that during long-term use, the tightening force generated by the pressure block screw causes local stress concentration on the mold surface, leaving indentations on the mold surface, damaging the flatness of the mold surface, and thus affecting the overall accuracy of the mold. The general idea is as follows:

[0026] To address the problems existing in the prior art, this utility model provides a high-precision special-shaped copper strip forging and forming mold, including an upper mold 1, a lower mold 2 placed on top of the upper mold 1, and isolation pads 3 for separating the pressing block screws at both ends of the upper mold 1 and the lower mold 2. Positioning grooves 4 are opened on one side of the upper mold 1 and the lower mold 2 corresponding to the isolation pads 3. A positioning block 5 is fixedly installed on the outside of each isolation pad 3, and the positioning block 5 is slidably connected inside the positioning groove 4.

[0027] Each isolation pad 3 has a fixing mechanism at both ends for fixing the isolation pad 3. Each fixing mechanism includes an internal groove 6, a guide groove 7, a slider 8, a moving groove 9, and a handle 10. The internal groove 6 is opened inside the positioning groove 4, the guide groove 7 is opened outside the positioning block 5, the slider 8 is engaged inside the guide groove 7 and the internal groove 6 and is used to fix the positioning block 5, the moving groove 9 is opened on the side of the isolation pad 3 away from the positioning groove 4, and the moving groove 9 communicates with the inside of the guide groove 7. The handle 10 is slidably connected inside the moving groove 9, and the handle 10 is fixedly installed outside the slider 8 and is used to push the slider 8.

[0028] Each isolation pad 3 has a through hole 11 on one side corresponding to the handle 10. Each through hole 11 is rotatably connected to a bolt 12. Each handle 10 has a threaded hole 13 on the outside. The bolt 12 is threadedly connected to the inside of the threaded hole 13.

[0029] Each handle 10 has an external mounting groove 15, and an internal mounting block 14 is engaged with each mounting groove 15. Threaded holes 13 are formed on the external side of the mounting block 14. Each handle 10 has an opening 16 on the side corresponding to the mounting groove 15, and bolts 12 are threaded into the internal side of the threaded hole 13 through the opening 16.

[0030] Each through hole 11 has a placement hole 17 on the side away from the threaded hole 13, and the end of the bolt 12 away from the threaded hole 13 is rotatably connected to the inside of the placement hole 17.

[0031] Isolation pad 3: It plays a role in isolation and buffering, avoiding local stress concentration and surface damage caused by direct contact between the mold and the pressure block screw. Isolation pad 3 ensures the flatness and smoothness of the mold surface.

[0032] Positioning groove 4 and positioning block 5: ensure that the isolation pad 3 is accurately installed in the predetermined position between the upper mold 1 and the lower mold 2;

[0033] Built-in groove 6 and slider 8; The built-in groove 6 and slider 8 cooperate to fix the positioning block 5. When the slider 8 is engaged in the built-in groove 6, it can restrict the movement of the positioning block 5, thereby fixing the isolation pad 3 to the outside of the upper mold 1 and the lower mold 2.

[0034] Guide groove 7: Provides a sliding channel for slider 8, allowing slider 8 to move within positioning groove 4;

[0035] Moving groove 9 and handle 10: Moving groove 9 provides sliding space for handle 10, so that handle 10 can drive slider 8 to move in guide groove 7, which makes it convenient for operators to control the position of slider 8 by operating handle 10, so as to realize the installation and removal of isolation pad 3;

[0036] Through hole 11: Through hole 11 provides an insertion channel for bolt 12, allowing bolt 12 to enter and connect with threaded hole 13;

[0037] Bolt 12 and threaded hole 13: Bolt 12 is threaded into the inside of threaded hole 13 through through hole 11, fixing handle 10 in a specific position and preventing handle 10 from moving, thereby further fixing slider 8 and isolation pad 3, enhancing the stability of isolation pad 3 installation, preventing slider 8 from loosening during forging, and ensuring that isolation pad 3 always stays in the correct position.

[0038] Mounting slot 15 and mounting block 14: Mounting slot 15 provides a mounting position for mounting block 14, which facilitates the installation and removal of mounting block 14. Threaded hole 13 is set on mounting block 14. When threaded hole 13 is damaged, mounting block 14 can be easily replaced without replacing the entire handle 10, thus reducing maintenance costs.

[0039] Opening 16: Bolt 12 can enter threaded hole 13 on mounting block 14 through opening 16 to realize the connection between bolt 12 and threaded hole 13;

[0040] Hole 17: to prevent bolt 12 from protruding and to prevent damage to the end of bolt 12.

[0041] Working principle:

[0042] First, before installing the upper mold 1 and the lower mold 2, insert the positioning block 5 outside the isolation pad 3 into the positioning groove 4. At this time, move the handle 10 to drive the slider 8 to move outward of the guide groove 7 until the slider 8 is engaged in the inner groove 6. At this time, the handle 10 cannot move. At this time, the isolation pad 3 is installed. The isolation pad 3 avoids local stress concentration and surface damage caused by direct contact between the mold and the pressure block screw. The isolation pad 3 ensures the flatness and smoothness of the mold surface.

[0043] The second step is to insert the bolt 12 into the through hole 11 and the threaded hole 13 to connect them. At this time, the handle 10 is fixed and cannot be moved.

[0044] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A high-precision forging die for irregularly shaped copper strip, comprising an upper die (1), wherein a lower die (2) is placed above the upper die (1), characterized in that, Both ends of the upper mold (1) and the lower mold (2) are provided with isolation pads (3) for separating the pressure block screws. The upper mold (1) and the lower mold (2) are provided with positioning grooves (4) on one side of the isolation pads (3). Each isolation pad (3) is fixedly installed with a positioning block (5) on its outside. The positioning block (5) is slidably connected to the inside of the positioning groove (4). Each isolation pad (3) has a fixing mechanism at both ends for fixing the isolation pad (3). Each fixing mechanism includes an internal groove (6), a guide groove (7), a slider (8), a moving groove (9), and a handle (10). The internal groove (6) is opened inside the positioning groove (4), the guide groove (7) is opened outside the positioning block (5), the slider (8) is engaged inside the guide groove (7) and the internal groove (6) and is used to fix the positioning block (5), the moving groove (9) is opened on the side of the isolation pad (3) away from the positioning groove (4), the moving groove (9) is connected to the inside of the guide groove (7), and the handle (10) is slidably connected inside the moving groove (9). The handle (10) is fixedly installed on the outside of the slider (8) and is used to push the slider (8).

2. The high-precision forging die for irregularly shaped copper strip as described in claim 1, characterized in that, Each of the isolation pads (3) has a through hole (11) on one side corresponding to the handle (10), and each through hole (11) is rotatably connected with a bolt (12), and each handle (10) is provided with a threaded hole (13) on the outside. The bolt (12) is threaded inside the threaded hole (13).

3. The high-precision forging die for irregularly shaped copper strip as described in claim 1, characterized in that, Each of the handles (10) is provided with a mounting block (14) on its exterior; The threaded hole (13) is located on the outside of the mounting block (14).

4. The high-precision forging die for irregularly shaped copper strip as described in claim 1, characterized in that, Each of the handles (10) has a mounting slot (15) on its exterior; The mounting block (14) is snapped into the inside of the mounting slot (15).

5. The high-precision forging die for irregularly shaped copper strip as described in claim 4, characterized in that, Each of the handles (10) has an opening (16) on one side corresponding to the mounting groove (15); The bolt (12) is threaded into the threaded hole (13) through the opening (16).

6. The high-precision forging die for irregularly shaped copper strip as described in claim 2, characterized in that, Each of the through holes (11) has a placement hole (17) on the side away from the threaded hole (13); The bolt (12) is rotatably connected to the inside of the placement hole (17) at the end away from the threaded hole (13).

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