Auxiliary guide device of stamping die

Abstract

The utility model provides an auxiliary guide device of a stamping die, which belongs to the technical field of stamping dies and comprises a stamping table and a fixing rod, a lower die holder is fixedly arranged at the top of the stamping table, and a fixing plate is fixedly arranged on the top of the stamping table through the fixing rod; a to-be-machined accessory is placed on the lower die base, and an electric push rod is installed on the fixing plate. A telescopic shaft of the electric push rod is fixedly connected with a pressing plate, and the bottom of the pressing plate is fixedly provided with a punching head right opposite to the lower die base and provided with a plurality of slope blocks in a limiting and sliding mode. The punching head is located in the center of the bottom of the pressing plate. The multiple slope blocks are evenly distributed on the periphery of the punching head. Each slope block is in transmission fit with a to-be-machined accessory, and a first elastic piece is arranged between the slope block and the pressing plate; a plurality of sliding columns penetrate through the bottom of the pressing plate in a sliding mode, each sliding column is in transmission fit with the to-be-machined accessory, and a second elastic piece is arranged between each sliding column and the pressing plate. And in the downward pressing process of the pressing plate, the slope block can abut against the periphery of the to-be-machined accessory, so that the clamping and limiting directions are more diversified, and the machining quality is guaranteed.

Description

Technical Field

[0001] This utility model belongs to the field of stamping die technology, and specifically relates to an auxiliary guiding device for stamping dies. Background Technology

[0002] Stamping dies are special process equipment used in cold stamping to process materials into parts; they are called cold stamping dies. Stamping is a pressure processing method that uses dies mounted on a press to apply pressure to materials, causing them to separate or undergo plastic deformation, thereby obtaining the desired parts. During stamping, the impact force can cause vibration, which can lead to misalignment of the parts to be stamped. Therefore, it is necessary to limit the movement of the parts to be stamped.

[0003] A patent with publication number CN222113313U provides an auxiliary positioning and guiding device for progressive dies. This device includes a lower die base, a hydraulic rod, a connecting plate, a pressure plate, and a spring. In use, the part to be processed is placed on the lower die base. The hydraulic rod pushes the connecting plate downwards, causing the pressure plate to descend as well. During this descent, the pressure plate pre-presses the part to be processed on the top of the lower die base. As the connecting plate continues to descend, the spring is gradually compressed, and the pressure force on the pressure plate gradually increases, preventing the part from shifting due to vibration during processing.

[0004] However, the above solution only limits the parts by clamping them from top to bottom. The clamping and limiting direction is relatively simple and cannot achieve a good limiting effect on the parts. The parts are prone to lateral displacement during processing, which affects the processing quality. Utility Model Content

[0005] To address the problems existing in the background technology, this utility model provides an auxiliary guiding device for stamping dies.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] An auxiliary guiding device for a stamping die includes a stamping table and a fixing rod. A lower die base is fixedly mounted on the top of the stamping table, and a fixing plate is also fixedly mounted via the fixing rod. A workpiece to be processed is placed on the lower die base, and an electric push rod is fixedly mounted on the fixing plate. The telescopic shaft of the electric push rod is fixedly connected to a pressure plate. A stamping head, directly opposite the lower die base, is fixedly mounted on the bottom of the pressure plate, and several inclined blocks are slidably positioned therefore. The stamping head is located at the center of the bottom of the pressure plate, and the inclined blocks are evenly distributed around the stamping head. Each inclined block engages with the workpiece to be processed and also has a first elastic element between it and the pressure plate. Several sliding columns are slidably connected through the bottom of the pressure plate, and each sliding column engages with the workpiece to be processed and also has a second elastic element between it and the pressure plate.

[0008] Furthermore, a number of sliding grooves are provided on the stamping table. The number of sliding grooves is equal to the number of inclined blocks and they correspond one-to-one. Each inclined block is slidably positioned in the corresponding sliding groove, and each inclined block moves closer to or away from the stamping head in the corresponding sliding groove.

[0009] Furthermore, the first elastic element includes a first spring, and a guide rod is fixedly provided in each groove along the sliding direction of the inclined block. The guide rod slides through the inclined block in the groove. The outer surface of the guide rod is fitted with a first spring, one end of which is fixedly connected to the inner wall of the groove, and the other end is fixedly connected to the inclined block.

[0010] Furthermore, the second elastic element is specifically a second spring, a limiting block is fixedly provided at the bottom of the sliding column, and the top of the sliding column slides through the pressure plate; a second spring is sleeved on the outer surface of the sliding column, one end of the second spring is fixedly connected to the pressure plate, and the other end is fixedly connected to the limiting block.

[0011] This application has the following beneficial effects:

[0012] 1. During the pressing process, the sliding column will abut against the top of the workpiece to be processed, thereby clamping and limiting the workpiece in the vertical direction. At the same time, the inclined block will abut against the four sides of the workpiece to be processed, thereby clamping and limiting the workpiece in the horizontal direction. This makes the clamping and limiting directions more diverse, preventing the workpiece from shifting during processing and ensuring processing quality.

[0013] 2. During the pressing process, multiple evenly distributed inclined blocks can be used to center the workpieces, further ensuring the processing quality. Attached Figure Description

[0014] The above and other objects, features, and advantages of exemplary embodiments of the present invention will become readily understood by reading the following detailed description with reference to the accompanying drawings. In the drawings, several embodiments of the present invention are shown by way of example and not limitation, and like or corresponding reference numerals denote like or corresponding parts, wherein:

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the bottom structure of the pressure plate of this utility model.

[0017] Explanation of reference numerals in the attached figures:

[0018] 1. Stamping table; 2. Lower die base; 3. Fixing rod; 4. Fixing plate; 5. Electric push rod; 6. Pressure plate; 7. Slide groove; 8. Inclined block; 9. Guide rod; 10. First spring; 12. Stamping head; 13. Sliding column; 14. Second spring. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Those skilled in the art should understand that the embodiments described below are only some, not all, of the embodiments disclosed. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0020] like Figures 1-2 As shown, the technical solution adopted by this utility model is as follows: an auxiliary guiding device for a stamping die, including a stamping table 1 and a fixing rod 3. The top of the stamping table 1 is fixedly provided with a lower die base 2 and a fixing plate 4 is fixedly provided through the fixing rod 3. The fixing rod 3 is distributed at the four bottom corners of the fixing plate 4. The parts to be processed are placed on the lower die base 2, and an electric push rod 5 is fixedly installed on the fixing plate 4.

[0021] The telescopic shaft of the electric push rod 5 is fixedly fitted with a pressure plate 6. The four corners of the pressure plate 6 are slidably sleeved on the outer surface of the four fixed rods 3, which can limit and guide the movement of the pressure plate 6 and improve the stability of the pressure plate 6 when it descends.

[0022] The bottom of the pressure plate 6 is fixedly equipped with a punch head 12 that is directly opposite to the lower die base 2, and a number of inclined blocks 8 are slidably arranged in a horizontal direction. The punch head 12 is located at the center of the bottom of the pressure plate 6, and the number of inclined blocks 8 are evenly distributed around the punch head 12. In this embodiment, there are preferably four inclined blocks 8, which face the punch head 12 and are arranged symmetrically on opposite sides.

[0023] In addition, a number of slide grooves 7 are provided on the stamping table 1. The number of slide grooves 7 and inclined blocks 8 are equal and correspond one-to-one. Each inclined block 8 is limited and slidably set in the corresponding slide groove 7. Each inclined block 8 is closer to or further away from the stamping head 12 in the corresponding slide groove 7.

[0024] Each inclined block 8 has an inclined surface that engages with the top edge of the part to be processed, and each inclined block 8 has a first elastic element between it and the groove 7.

[0025] The first elastic element includes a first spring 10. A guide rod 9 is fixedly installed in each groove 7 along the sliding direction of the inclined block 8. The guide rod 9 slides through the inclined block 8 in the groove 7. The first spring 10 is sleeved on the outer surface of the guide rod 9. One end of the first spring 10 is fixedly connected to the inner wall of the groove 7, and the other end is fixedly connected to the inclined block 8.

[0026] Several sliding columns 13 are slidably installed inside the pressure plate 6 along the vertical direction. Each sliding column 13 is both driven and engaged with the top of the part to be processed, and a second elastic element is provided between it and the pressure plate 6.

[0027] The second elastic element is specifically the second spring 14. A limiting block is fixedly installed at the bottom of the sliding column 13. The top of the sliding column 13 slides through the pressure plate 6. The second spring 14 is sleeved on the outer surface of the sliding column 13. One end of the second spring 14 is fixedly connected to the pressure plate 6, and the other end is fixedly connected to the limiting block.

[0028] In addition, a blanking hole (not shown in the figure) is provided on the stamping table 1, which is directly opposite the lower die base 2.

[0029] Working principle: When in use, place the part to be processed on the lower mold base 2, start the electric push rod 5, and push the pressure plate 6 to move down under the guidance of the fixed rod 3 through the telescopic shaft of the electric push rod 5.

[0030] The pressure plate 6 causes the punch head 12, sliding column 13, and inclined block 8 to move downwards as a whole. During the downward movement of the pressure plate 6, the inclined surface of the inclined block 8 first contacts the top edge of the workpiece to be processed, causing the four inclined blocks 8 to slide away from the punch head 12 under the guidance of the slide groove 7, and the first spring 10 is gradually compressed. After the inclined surface of the inclined block 8 disengages from the workpiece to be processed, the side of each inclined block 8 facing the punch head 12 will abut against the side wall of the workpiece to be processed, thereby clamping the workpiece from all sides and completing the horizontal clamping and limiting of the workpiece to be processed.

[0031] Meanwhile, as the pressure plate 6 moves downward, the limiting block at the bottom of the sliding column 13 contacts the top of the workpiece to be processed, thus pressing the workpiece. As the downward movement continues, the sliding column 13 slides relative to the pressure plate 6, and the compression deformation of the second spring 14 gradually increases, resulting in a gradual increase in the clamping force in the vertical direction. This completes the vertical clamping and limiting of the workpiece, providing more diverse clamping and limiting directions, preventing the workpiece from shifting during processing, and ensuring processing quality.

[0032] Subsequently, the parts to be processed are stamped by the stamping head 12 after being limited.

[0033] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An auxiliary guide device for a press die, characterized by, The device includes a stamping table (1) and a fixing rod (3). The top of the stamping table (1) is fixedly fitted with a lower die base (2) and a fixing plate (4) is fixedly fitted via the fixing rod (3). The parts to be processed are placed on the lower die base (2), and an electric push rod (5) is fixedly installed on the fixing plate (4). The telescopic shaft of the electric push rod (5) is fixedly connected to a pressure plate (6). The bottom of the pressure plate (6) is fixedly fitted with a stamping head (12) facing the lower die base (2) and is also limited by a sliding mechanism. The inclined block (8) is located at the bottom center of the pressure plate (6), and several inclined blocks (8) are evenly distributed around the pressure head (12). Each inclined block (8) is both in transmission cooperation with the part to be processed and has a first elastic element between it and the pressure plate (6). Several sliding columns (13) are slidably arranged through the bottom of the pressure plate (6). Each sliding column (13) is both in transmission cooperation with the part to be processed and has a second elastic element between it and the pressure plate (6).

2. The assist guide of a press mold according to claim 1, wherein The stamping table (1) has several grooves (7) with the same number of grooves (7) and corresponding to the inclined blocks (8). Each inclined block (8) is limited and slidably disposed in the corresponding groove (7). Each inclined block (8) moves closer to or away from the stamping head (12) in the corresponding groove (7).

3. The assist guide of a press mold according to claim 2, wherein The first elastic element includes a first spring (10). A guide rod (9) is fixedly installed in each groove (7) along the sliding direction of the inclined block (8). The guide rod (9) slides through the inclined block (8) in the groove (7). The outer surface of the guide rod (9) is fitted with the first spring (10). One end of the first spring (10) is fixedly connected to the inner wall of the groove (7), and the other end is fixedly connected to the inclined block (8).

4. The assist guide of a press mold according to claim 1, wherein The second elastic element is specifically a second spring (14). A limiting block is fixedly provided at the bottom of the sliding column (13), and the top of the sliding column (13) slides through the pressure plate (6). The outer surface of the sliding column (13) is fitted with a second spring (14). One end of the second spring (14) is fixedly connected to the pressure plate (6), and the other end is fixedly connected to the limiting block.

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