Stamping die for machining special-shaped part

Abstract

The utility model relates to the technical field of stamping dies, in particular to a stamping die for machining special-shaped parts, which is used for performing stamping forming on a workpiece body and comprises a base, a fixing frame fixedly connected to the outer wall of the base, an air cylinder mounted on the surface of the upper end of the fixing frame, a lower die and a supporting shell fixedly mounted on the surface of the upper end of the base. Through the arrangement of the concentric-square-shaped rack, the half gear, the U-shaped plate, the push plate and the like, the stamping die has the automatic feeding and discharging function, hand injuries and clamping injuries caused by contact between manual feeding and discharging and a special-shaped groove are avoided, and the safety performance is improved; and meanwhile, the feeding and discharging efficiency is improved, the machining efficiency of the workpiece body is improved, one side of the stamped and formed workpiece body can be resisted and limited by arranging a circular rotating block, a check block and the like, and the situation that the forming effect is affected due to deviation during stamping is avoided.

Description

Technical Field

[0001] This utility model relates to the field of stamping die technology, specifically a stamping die for processing irregularly shaped parts. Background Technology

[0002] Stamping dies are special process equipment used in cold stamping to process materials into parts. Stamping is a pressure processing method that uses dies mounted on a press to apply pressure to materials at room temperature, causing them to separate or plastically deform, thereby obtaining the desired parts.

[0003] In the prior art, such as the stamping die for processing irregularly shaped parts proposed in patent application number CN202121316651.3, this utility model unlocks the connecting seat by rotating the U-shaped block 90 degrees so that the bottom of the U-shaped block contacts the fixed sleeve. At this time, rotating the connecting seat 90 degrees so that the slider moves to the inner cavity of the slide groove can unlock the connecting seat, and then the connecting seat can be taken out from the inner cavity of the fixed sleeve. Conversely, the above steps are reversed to complete the assembly operation. This stamping die for processing irregularly shaped parts has the advantage of easy disassembly and assembly, and can complete the disassembly and assembly operation without the need for other tools, achieving the effect of saving time and effort.

[0004] However, in the aforementioned patent application, when using a stamping die to process a workpiece into an irregular shape, it is necessary to manually place the workpiece into the die. However, due to the sharp edges of the irregular grooves in the die, if the workpiece is accidentally touched while being placed manually, it can easily cause hand injury or be pinched by the die, resulting in safety hazards. Furthermore, the efficiency of manually placing and removing workpieces is relatively low, affecting the processing efficiency of the stamping die. Utility Model Content

[0005] The purpose of this utility model is to provide a stamping die for processing irregularly shaped parts, so as to solve the problems mentioned in the background art.

[0006] The objective of this utility model can be achieved through the following technical solutions:

[0007] A stamping die for processing irregularly shaped parts, used for stamping and forming workpieces, includes a base, a fixed frame fixedly connected to the outer wall of the base, a cylinder mounted on the upper surface of the fixed frame, a lower die and a support shell fixedly mounted on the upper surface of the base, an upper die movably mounted at the top of the fixed frame, the bottom of the cylinder fixedly connected to the upper die, guide posts inserted near both sides of the upper surface of the upper die, the upper ends of the two guide posts fixedly connected to the fixed frame, and the bottom ends of the two guide posts fixedly connected to the upper die, an irregularly shaped groove opened on the upper surface of the lower die, an auxiliary mechanism provided on the support shell, and stops movably mounted near both sides of the front surface of the lower die;

[0008] The auxiliary mechanism includes a rack and a U-shaped plate, both of which are slidably connected to the top of the support shell. The rack and the U-shaped plate are fixedly connected, and an installation plate is fixedly installed at the top of the support shell.

[0009] Preferably, a half gear is rotatably connected to the bottom of the mounting plate via a shaft, and a motor is mounted on the bottom surface of the mounting plate, with the motor output end connected to the half gear.

[0010] Preferably, the half gear and the spiral rack are meshed together, and the outer side wall of the U-shaped plate is fixedly connected to both ends with connecting frames.

[0011] Preferably, each of the two connecting frames is rotatably connected to a threaded screw, each of the two threaded screws is fitted with a movable block, each of the two movable blocks is fixedly connected to a push plate at its upper end, and one end of each push plate is movably inserted into the outer wall of the U-shaped plate.

[0012] Preferably, motors are installed on the outer walls of both connecting frames, and the output ends of the two motors are respectively connected to one end of the two threaded screws.

[0013] Preferably, a long shaft is rotatably connected inside the lower mold, and a circular rotating block is fixedly connected to the outer wall of the long shaft near the middle position. The two ends of the long shaft are respectively fixedly connected to two stop blocks.

[0014] Preferably, a fixing nail is inserted into the outer wall of the circular rotating block, and a fixing hole is opened on the inner wall of the lower mold near the fixing nail, and the fixing hole fits with the fixing nail.

[0015] Preferably, L-shaped limiting plates are fixedly installed on both outer side walls of the support shell, and the bottom end of the L-shaped limiting plate and the inner side wall are rotatably connected to several rollers through a shaft.

[0016] The beneficial effects of this utility model are:

[0017] 1. This utility model places the workpiece to be processed on the upper surface of the support shell, close to the lower mold. A motor and a half-gear, in conjunction with a rack and pinion, drive the U-shaped plate to slide, pushing the workpiece to the upper surface of the lower mold for automatic feeding. After the workpiece is formed, a motor and a threaded screw, in conjunction with two movable blocks, move simultaneously along the inside of the connecting frame, driving two push plates to move and push the formed workpiece out of the lower mold for automatic unloading. This gives the stamping die an automatic loading and unloading function, avoiding contact between manual loading and unloading and irregular grooves, thus preventing hand injuries and pinching injuries, improving safety performance, and increasing loading and unloading efficiency, thereby improving the processing efficiency of the workpiece.

[0018] 2. This utility model automatically pushes the workpiece to be stamped onto the upper surface of the lower mold. Then, the circular rotating block can be rotated to drive the long shaft to rotate, thereby driving the two stops to rotate to a vertical position. At this time, one end of the fixing nail is inserted through the circular rotating block into the fixing hole to fix the position of the circular rotating block, thereby fixing the position of the two stops. This provides resistance and limitation on one side of the stamped workpiece to prevent displacement during stamping and affect the forming effect. Attached Figure Description

[0019] 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, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the lower mold and the upper mold in this utility model;

[0022] Figure 3 This is a schematic diagram of the circular rotating block in this utility model;

[0023] Figure 4 This is a partial structural schematic diagram of the present invention;

[0024] Figure 5 This is a schematic diagram of the structure of the spiral rack, half gear and threaded screw in this utility model;

[0025] Figure 6 This is a schematic diagram of the threaded screw, movable block and push plate in this utility model.

[0026] The attached figures are labeled as follows:

[0027] 1. Base; 2. Lower mold; 3. Upper mold; 4. Cylinder; 5. Irregular groove; 6. Fixing frame; 7. Guide column; 8. Stop block; 9. Support shell; 10. Ring rack; 11. Half gear; 12. U-shaped plate; 13. Threaded screw; 14. Connecting frame; 15. Movable block; 16. Push plate; 17. Mounting plate; 18. L-shaped limit plate; 19. Circular rotating block; 20. Fixing nail; 21. Long shaft; 22. Workpiece body; 23. Roller. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0029] A stamping die for processing irregularly shaped parts, such as Figures 1-6 As shown, the stamping process for workpiece 22 includes a base 1, a fixed frame 6 fixedly connected to the outer wall of the base 1, a cylinder 4 mounted on the upper surface of the fixed frame 6, a lower mold 2 and a support shell 9 fixedly mounted on the upper surface of the base 1, an upper mold 3 movably mounted inside the top of the fixed frame 6, the bottom of the cylinder 4 fixedly connected to the upper mold 3, guide posts 7 inserted near both sides of the upper surface of the upper mold 3, the upper ends of the two guide posts 7 fixedly connected to the fixed frame 6, and the bottom ends of the two guide posts 7 fixedly connected to the upper mold 3, a shaped groove 5 opened on the upper surface of the lower mold 2, an auxiliary mechanism provided on the support shell 9, and stops 8 movably mounted near both sides of the front surface of the lower mold 2, the auxiliary mechanism including a rack 10 and a U-shaped plate 12, the rack 10 and the U-shaped plate 12 slidably connected to the top of the support shell 9, the rack 10 and the U-shaped plate 12 fixedly connected, and an mounting plate 17 fixedly mounted inside the top of the support shell 9.

[0030] The bottom of the mounting plate 17 is rotatably connected to a half gear 11 via a shaft. A motor is mounted on the bottom surface of the mounting plate 17, and the output end of the motor is connected to the half gear 11. The half gear 11 is meshed with the rack 10. Connecting frames 14 are fixedly connected to the outer wall of the U-shaped plate 12 near both ends. When the half gear 11 rotates, it can drive the rack 10 to move back and forth along the bottom of the support shell 9 to assist in pushing the workpiece 22 for loading and to reset in time, in preparation for loading the next workpiece 22.

[0031] Both connecting frames 14 are rotatably connected to threaded screws 13. Both threaded screws 13 are fitted with movable blocks 15. Both movable blocks 15 are fixedly connected to the upper end of push plates 16. One end of each push plate 16 is movably inserted into the outer wall of the U-shaped plate 12. Both connecting frames 14 are equipped with motors on their outer walls. The output ends of the two motors are respectively connected to one end of each threaded screw 13. The inner wall of the movable block 15 where it fits into the threaded screw 13 is provided with threads that match the threaded screw 13. When the threaded screw 13 rotates, it can drive the movable block 15 to move under the cooperation of the threads and the limitation of the connecting frames 14.

[0032] In use, the workpiece 22 to be processed is placed on the upper surface of the support shell 9, close to the lower mold 2, with one side of the workpiece 22 in contact with the outer walls of the two U-shaped plates 12. At this time, the motor mounted on the bottom of the mounting plate 17 drives the half-gear 11 to rotate, which in turn drives the rack 10 to slide, causing the U-shaped plates 12 to slide and pushing the workpiece to the upper surface of the lower mold 2 for automatic feeding. This avoids injury from being pinched by the upper mold 3 and lower mold 2 during manual feeding, improving safety. The upper mold 3 can then be lowered using the cylinder 4, working in conjunction with the irregular groove 5 to process the workpiece. The workpiece 22 is stamped and formed. After forming, the upper mold 3 moves upward to release the pressure on the workpiece 22. Then, the motors on the two connecting frames 14 drive the threaded screw 13 to rotate, thereby driving the two movable blocks 15 to move along the inside of the connecting frame 14 at the same time. This, in turn, drives the two push plates 16 to move, pushing the formed workpiece 22 out of the lower mold 2 for automatic unloading. This gives the stamping die an automatic loading and unloading function, avoiding injury from manual loading and unloading, improving safety performance, and increasing loading and unloading efficiency, as well as improving the processing efficiency of 22.

[0033] The lower mold 2 is rotatably connected to a long shaft 21. A circular rotating block 19 is fixedly connected to the outer wall of the long shaft 21 near the middle position. The two ends of the long shaft 21 are fixedly connected to two stops 8 respectively.

[0034] A fixing nail 20 is inserted into the outer wall of the circular rotating block 19. A fixing hole is opened on the inner wall of the lower mold 2 near the fixing nail 20, and the fixing hole fits with the fixing nail 20. By passing one end of the fixing nail 20 through the circular rotating block 19 and inserting it into the fixing hole, the position of the circular rotating block 19 can be fixed, thereby fixing the position of the two stop blocks 8.

[0035] L-shaped limiting plates 18 are fixedly installed on both outer side walls of the support shell 9. The bottom end of the L-shaped limiting plate 18 and the inner side wall are rotatably connected to several rollers 23 through shafts. After the workpiece 22 is placed on the upper surface of the support shell 9, the two ends of the workpiece 22 are respectively located in the two L-shaped limiting plates 18, and each roller 23 is in close contact with the two ends of the workpiece 22, which can limit the workpiece 22 and prevent it from shifting. When the workpiece 22 is pushed later, each roller 23 can reduce the friction between the workpiece 22 and the L-shaped limiting plate 18, so that the replacement is smooth during movement.

[0036] Specifically, after the workpiece 22 to be stamped is automatically pushed to the upper surface of the lower mold 2, the circular rotating block 19 can be rotated to drive the long shaft 21 to rotate, thereby driving the two stop blocks 8 to rotate to a vertical position. At this time, one end of the fixing nail 20 is inserted into the fixing hole through the circular rotating block 19 to fix the position of the circular rotating block 19, thereby fixing the position of the two stop blocks 8 and blocking and limiting one side of the workpiece 22 to prevent displacement during stamping and affecting the forming effect. After forming, the circular rotating block 19 can be rotated to drive the long shaft 21 to rotate, so that the two stop blocks 8 rotate to a horizontal position, releasing the blocking of the workpiece 22 and avoiding affecting the subsequent blanking operation. The upper surface of the upper mold 3 has two through openings that fit with the two stop blocks 8 and are in corresponding positions. When the upper mold 3 moves down to stamp the workpiece 22, the upper ends of the two stop blocks 8 can be inserted into the two openings to avoid affecting the downward stamping operation of the upper mold 3.

[0037] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A stamping die for processing irregularly shaped parts, used for stamping and forming a workpiece body (22), comprising a base (1), characterized in that, A fixed frame (6) is fixedly connected to the outer wall of the base (1). A cylinder (4) is installed on the upper surface of the fixed frame (6). A lower mold (2) and a support shell (9) are fixedly installed on the upper surface of the base (1). An upper mold (3) is movably installed at the top inside the fixed frame (6). The bottom end of the cylinder (4) is fixedly connected to the upper mold (3). Guide pillars (7) are inserted near both sides of the upper surface of the upper mold (3). The upper ends of the two guide pillars (7) are fixedly connected to the fixed frame (6). The bottom ends of the two guide pillars (7) are fixedly connected to the upper mold (3). A shaped groove (5) is opened on the upper surface of the lower mold (2). An auxiliary mechanism is provided on the support shell (9). A stop block (8) is movably installed near both sides of the front surface of the lower mold (2). The auxiliary mechanism includes a rack (10) and a U-shaped plate (12). The rack (10) and the U-shaped plate (12) are slidably connected to the top of the support shell (9). The rack (10) and the U-shaped plate (12) are fixedly connected. An installation plate (17) is fixedly installed at the top of the support shell (9).

2. The press die for processing a profiled piece according to claim 1, characterized in that, The bottom of the mounting plate (17) is rotatably connected to a half gear (11) via a shaft. A motor is mounted on the bottom surface of the mounting plate (17), and the output end of the motor is connected to the half gear (11).

3. The press die for processing a profiled piece according to claim 2, characterized in that, The half gear (11) and the rack (10) are meshed with each other, and the outer side wall of the U-shaped plate (12) is fixedly connected with a connecting frame (14) near both ends.

4. The press die for processing a profiled piece according to claim 3, characterized in that, Both of the connecting frames (14) are rotatably connected with threaded screws (13), and both of the threaded screws (13) are fitted with movable blocks (15) on the outside. Both of the movable blocks (15) are fixedly connected with push plates (16) at their upper ends, and one end of each push plate (16) is movably inserted into the outer wall of the U-shaped plate (12).

5. The press die for processing a profiled piece according to claim 3, characterized in that, Motors are installed on the outer walls of both connecting frames (14), and the output ends of the two motors are respectively connected to one end of the two threaded screws (13).

6. The press die for processing a profiled piece according to claim 1, characterized in that, The lower mold (2) is rotatably connected to a long shaft (21), and a circular rotating block (19) is fixedly connected to the outer wall of the long shaft (21) near the middle position. The two ends of the long shaft (21) are respectively fixedly connected to two stops (8).

7. The press die for processing a profiled piece according to claim 6, characterized in that, The outer wall of the circular rotating block (19) is provided with a fixing nail (20), and the inner wall of the lower mold (2) is provided with a fixing hole on the side near the fixing nail (20), and the fixing hole fits with the fixing nail (20).

8. A stamping die for processing irregularly shaped parts according to claim 1, characterized in that, The support shell (9) has L-shaped limiting plates (18) fixedly installed on both outer side walls. The bottom end of the L-shaped limiting plate (18) and the inner side wall are rotatably connected by a shaft to several rollers (23).

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