High-strength stamping rod structure for stamping die

Abstract

The invention belongs to the technical field of die stamping rods, in particular to a high-strength stamping rod structure for a stamping die, and provides the following scheme that the high-strength stamping rod structure comprises a stamping rod inner column and a stamping rod mechanism mounted above the stamping rod inner column, and the stamping rod mechanism comprises an inner stamping rod assembly; the inner punching rod mechanism comprises a punch, the punch is welded to the bottom of the punching rod inner column, and inner reinforcing columns are installed in the punching rod inner column in an array mode. In the using process, the punch makes direct contact with an object needing to be punched, meanwhile, the punch is in smooth connection with the punching rod inner column, and therefore the punching rod inner column is in smooth connection with the punch. Therefore, in the stamping process, contact between the punch and a stamped object can be prevented from being smoother, stress borne by the punch in the stamping process is reduced, damage to the surface of the stamping rod inner column caused by stress concentration is avoided, damage to the stamping rod inner column and the punch in the stamping process is avoided, the service life of the device can be prolonged, and the production cost is reduced. And the punching rod inner column and the punch are both made of tungsten steel materials, so that the overall strength of the device can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of die punches, and in particular to a high-strength punch structure for a stamping die. Background Art

[0002] The punch rod is an important tool commonly used in stamping processing. It is mainly used for punching, blanking, cutting and other operations on materials during the stamping process. The punch rod needs to have good wear resistance, impact resistance and dimensional stability to ensure long-term and efficient work and the quality of stamping products. The punch rod plays an important role in the quality, efficiency, cost control, safety of stamping processing and the market competitiveness of enterprises.

[0003] However, the punch rods in the prior art are not convenient to be cooled synchronously during use, which easily leads to deformation and damage of the punch rods due to temperature increase. At the same time, the method for dealing with the stress generated by the punch rods during stamping is insufficient and does not meet some needs. It is necessary to develop a high-strength punch rod structure for stamping dies with new functions.

[0004] For this reason, a high-strength punch rod structure for a stamping die is required. Summary of the invention

[0005] The high-strength punch rod structure for a stamping die proposed in the present invention solves the problem in the prior art that the punch rod is inconvenient to cool down synchronously during use, which easily leads to deformation and damage of the punch rod due to temperature increase, and at the same time, there are insufficient ways to deal with the stress generated by the punch rod during stamping.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A high-strength punch rod structure for a stamping die comprises a punch rod inner column and a punch rod mechanism installed above the punch rod inner column, wherein the punch rod mechanism comprises an inner punch rod assembly;

[0008] The inner punch rod mechanism includes a punch, a punch is welded and installed on the bottom of the punch rod inner column, an inner reinforcement column is installed on the internal array of the punch rod inner column, an installation cavity is opened in the top center of the punch rod inner column, the fixing bolt and the installation cavity are threadedly connected, a guide pattern is welded and installed on the outside of the punch rod inner column, an inner sleeve is installed on the outside of the punch rod inner column, a threaded groove matching the size of the guide pattern is opened on the inner wall of the inner sleeve, side sliders are welded and installed on the left and right sides of the inner sleeve, a cooling pipe is spirally installed inside the side wall of the inner sleeve, the left side of the cooling pipe is connected to a liquid inlet, and the other side of the cooling pipe is connected to a liquid outlet.

[0009] The inner sleeve is installed with the interior of the outer sleeve, and a limiting block is fixedly installed on the top of the outer sleeve. The inner wall of the outer sleeve is provided with a second sliding groove that matches the size of the side sliding block, and a gasket is tightly installed on the outside of the outer sleeve, and an outer fixing ring is tightly installed on the outside of the gasket, and the left and right sides of the outer fixing ring are fixed with the gasket by bolts, and a left closed sleeve plate is fixedly installed on the top of the outer fixing ring, and two groups of clamping plates are fixedly installed on the right side of the left closed sleeve plate, and two groups of springs are welded on the top of the clamping plates, and a clamping block is welded on the top of the spring, and a top gasket is welded and installed at the position between the two groups of clamping plates on the right side of the left closed sleeve plate, and a right closed sleeve plate is symmetrically installed on the right side of the left closed sleeve plate, and a clamping groove is opened at the position corresponding to the clamping plate inside the right closed sleeve plate, and a limiting clamping hole is opened on the top of the right closed sleeve plate.

[0010] Preferably, the punch and the inner column of the punch rod are integrated, the punch and the inner column of the punch rod are smoothly connected, the punch is a conical table structure, and the punch and the inner column of the punch rod are both made of tungsten steel material.

[0011] Preferably, the inner reinforcing columns are distributed in an array inside the inner columns of the punch rod, the fixing bolts form a detachable structure through the installation cavity and the inner columns of the punch rod, and the diameter of the fixing bolts is larger than the array diameter of the inner reinforcing columns.

[0012] Preferably, the inner column of the punch rod forms a detachable structure between the threaded groove and the inner sleeve through the guide lines, the sizes of the fixing bolt and the threaded groove match each other, and the inner column of the punch rod fits tightly with the inner sleeve.

[0013] Preferably, the cooling pipe is threadedly installed inside the side wall of the inner sleeve, the liquid inlet forms a flow structure through the cooling pipe and the liquid outlet, and the side slider and the inner sleeve form an integrated structure.

[0014] Preferably, the inner sleeve forms a detachable structure with the outer sleeve through the cooperation between the side slider and the second sliding groove, and the inner sleeve forms a sliding structure through the side slider and the second sliding groove.

[0015] Preferably, the outer fixing ring forms a detachable structure through bolts and a gasket, the inner wall of the outer fixing ring is a conical structure, and the outer wall of the gasket is consistent with the inner wall of the outer fixing ring in size.

[0016] Preferably, the size of the left closed sleeve is consistent with the size of the limit block, and the left closed sleeve forms a detachable structure with the right closed sleeve through the cooperation between the clamping plate and the clamping slot.

[0017] Preferably, the clamping block forms a pressing structure with the clamping plate through a spring, the clamping plate forms a clamping structure with the right closed sleeve through the cooperation between the clamping block and the limiting clamping hole, and the sizes of the left closed sleeve and the right closed sleeve match each other.

[0018] The present invention proposes a high-strength punch rod structure for a stamping die. Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. During the use of the present invention, the punch is in direct contact with the object to be punched, and at the same time, the punch is smoothly connected to the inner column of the punch rod. Therefore, during the punching process, the contact between the punch and the punched object can be smoother, reducing the stress on the punch during the punching process, avoiding stress concentration that causes damage to the surface of the inner column of the punch rod, avoiding damage to the inner column of the punch rod and the punch during the stamping process, thereby increasing the service life of the device. The inner column of the punch rod and the punch are both made of tungsten steel material, which can improve the overall strength of the device, improve the wear resistance of the device and avoid damage.

[0020] 2. During use, the cooling tube is spirally installed inside the inner sleeve, which can increase the contact area between the cooling tube and the inner sleeve, and facilitate the introduction of cooling material into the cooling tube to cool the inner sleeve. Since the inner sleeve and the inner column of the punch rod are tightly fitted, the cooling tube can also cool the inner column of the punch rod, and there is no direct fit between the cooling tube and the inner column of the punch rod, which can avoid deformation of the inner column of the punch rod caused by too fast cooling speed.

[0021] 3. During use, the inner column of the punch rod directly contacts the punched object, and then the inner column of the punch rod can be installed inside the inner sleeve. During use, the guide pattern on the outer wall of the inner column of the punch rod is slid inside the threaded groove, and it is installed into the inner sleeve by rotating it in a spiral manner to prevent the inner column of the punch rod from sliding out of the inner sleeve during the punching process. At the same time, the inner sleeve and the inner column of the punch rod are tightly attached to each other, and the inner sleeve can be used to cool the inner column of the punch rod to prevent the inner column of the punch rod from deforming due to high temperature.

[0022] 4. During use, the card block connected by the spring on the top of the card plate will enter the interior of the card slot synchronously with the card plate. During the entry process, the card block is compressed by the spring. At this time, the card block will be driven by the left closed sleeve to continue to enter the interior of the card slot. Then, when the card block enters the interior of the limit card hole, the card block will return to its original position due to the elasticity of the spring, and will enter and engage in the limit card hole to position the left closed sleeve, which is convenient for protecting the inner column and fixing bolt of the punch rod inside the left and right closed sleeves, and preventing the inner column of the punch rod from detaching upward from the device during the stamping process. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the high-strength punch rod structure for the stamping die of the present invention.

[0024] Figure 2 It is a schematic diagram of the original data storage structure of the high-strength punch rod structure for the stamping die of the present invention.

[0025] Figure 3 It is a schematic diagram of the tower data acquisition structure of the high-strength punch rod structure for the stamping die of the present invention.

[0026] Figure 4 This is a schematic diagram of the image data diagnosis structure of the high-strength punch rod structure used in the stamping die of the present invention.

[0027] Figure 5 It is a schematic diagram of the power transmission line diagnosis structure of the high-strength punch rod structure for the stamping die of the present invention.

[0028] Figure 6 It is a schematic structural diagram of the inner sleeve of the high-strength punch rod structure for the stamping die of the present invention.

[0029] Figure 7 This is a schematic diagram of the external structure of the inner sleeve of the high-strength punch rod structure for the stamping die of the present invention.

[0030] Figure 8 It is a structural schematic diagram of the outer sleeve of the high-strength punch rod structure for the stamping die of the present invention.

[0031] Fig. 9 It is a structural schematic diagram of the left closed sleeve plate and the right closed sleeve plate of the high-strength punch rod structure for the stamping die of the present invention.

[0032] In the figure: 1. Inner column of punch rod; 2. Punch; 3. Inner reinforcing column; 4. Mounting cavity; 5. Fixing bolt; 6. Guide pattern; 7. Inner sleeve; 8. Threaded slide groove; 9. Side slide block; 10. Cooling pipe; 11. Liquid inlet; 12. Liquid outlet; 13. Outer sleeve; 14. Limit block; 15. Second slide groove; 16. Gasket; 17. Outer fixing ring; 18. Bolt; 19. Left closed sleeve; 20. Clamp plate; 21. Spring; 22. Clamp block; 23. Top pad; 24. Right closed sleeve; 25. Matching groove; 26. Clamp groove; 27. Limit clamp hole. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] See also Figure 1-4The present invention provides a technical solution: a high-strength punch rod structure for a stamping die, comprising a punch rod inner column 1 and a punch rod mechanism installed above the punch rod inner column 1, the punch rod mechanism comprising an inner punch rod assembly;

[0035] The inner punch rod mechanism includes a punch 2, the bottom of the punch rod inner column 1 is welded with the punch 2, the internal array of the punch rod inner column 1 is installed with an internal reinforcement column 3, the top center of the punch rod inner column 1 is provided with an installation cavity 4, the fixing bolt 5 is threadedly connected to the installation cavity 4, the outside of the punch rod inner column 1 is welded with a guide pattern 6, the outside of the punch rod inner column 1 is installed with an inner sleeve 7, the inner wall of the inner sleeve 7 is provided with a threaded groove 8 that matches the size of the guide pattern 6, the left and right sides of the inner sleeve 7 are welded with side sliders 9, the side wall of the inner sleeve 7 is spirally installed with a cooling pipe 10, the left side of the cooling pipe 10 is connected with a liquid inlet 11, and the other side of the cooling pipe 10 is connected with a liquid outlet 12.

[0036] The inner sleeve 7 is installed with the interior of the outer sleeve 13, and a limiting block 14 is fixedly installed on the top of the outer sleeve 13. The inner wall of the outer sleeve 13 is provided with a second slide groove 15 that matches the size of the side slider 9. A gasket 16 is tightly installed on the outside of the outer sleeve 13, and an outer fixing ring 17 is tightly installed on the outside of the gasket 16. The left and right sides of the outer fixing ring 17 are fixed to the gasket 16 by bolts 18. A left closed sleeve plate 19 is fixedly installed on the top of the outer fixing ring 17. Two groups of card plates 20 are fixedly installed on the right side of the left closed sleeve plate 19. Two groups of springs 21 are welded on the top of the card plates 20. A card block 22 is welded on the top of the spring 21. A top pad 23 is welded and installed between the two groups of card plates 20 on the right side of the left closed sleeve plate 19. A right closed sleeve plate 24 is symmetrically installed on the right side of the left closed sleeve plate 19. A card slot 26 is opened in the right closed sleeve plate 24 at a position corresponding to the card plate 20, and a limiting card hole 27 is opened on the top of the right closed sleeve plate 24.

[0037] Furthermore, the punch 2 and the punch rod inner column 1 are integrated and smoothly connected. The punch 2 has a conical structure. Both the punch 2 and the punch rod inner column 1 are made of tungsten steel. During use, the punch 2 is in direct contact with the object to be punched. At the same time, the punch 2 and the punch rod inner column 1 are smoothly connected. Therefore, during the stamping process, the contact between the punch 2 and the stamped object can be smoother, reducing the stress on the punch 2 during the stamping process, avoiding stress concentration that causes damage to the surface of the punch rod inner column 1, and avoiding damage to the punch rod inner column 1 and the punch 2 during the stamping process, thereby improving the service life of the device. Moreover, since the punch rod inner column 1 and the punch 2 are both made of tungsten steel, the overall strength of the device can be improved, and the wear resistance of the device can be improved to avoid damage.

[0038] Furthermore, the inner reinforcing columns 3 are distributed in an array inside the punch rod inner column 1, and the fixing bolts 5 form a detachable structure through the installation cavity 4 and the punch rod inner column 1. The diameter of the fixing bolts 5 is larger than the array diameter of the inner reinforcing columns 3. During use, the inner reinforcing columns 3 are installed in an array inside the punch rod inner column 1, which can support the punch rod inner column 1 as a whole, improve the strength of the punch rod inner column 1 and the punch 2 during use, and at the same time, the inner column 1 of the punch rod can resist stress by applying prestress inside the inner reinforcing columns 3 to prevent the punch rod inner column 1 from deformation and damage during the stamping process, which affects the use of the device. Then, the fixing bolts 5 are installed in the installation cavity 4 at the top of the punch rod inner column 1 in a spiral manner to protect the inner reinforcing column 3 and prevent the inner reinforcing column 3 from falling out of the device. At the same time, the position of the inner reinforcing column 3 can be limited.

[0039] Furthermore, the inner column 1 of the punch rod forms a detachable structure through the guide groove 6 and the threaded groove 8 and the inner sleeve 7. The sizes of the fixing bolt 5 and the threaded groove 8 match each other, and the inner column 1 of the punch rod fits tightly with the inner sleeve 7. During use, the inner column 1 of the punch rod directly contacts the punched object, and then the inner column 1 of the punch rod can be installed inside the inner sleeve 7. During use, the guide groove 6 on the outer wall of the inner column 1 of the punch rod is slid inside the threaded groove 8, and the punch rod is installed into the inner sleeve 7 in a spiral manner to prevent the inner column 1 of the punch rod from sliding out of the inner sleeve 7 during the punching process. At the same time, the inner sleeve 7 and the inner column 1 of the punch rod are tightly attached to each other, and the inner column 1 of the punch rod can be cooled by the inner sleeve 7 to prevent the inner column 1 of the punch rod from deformation due to high temperature.

[0040] Furthermore, the cooling tube 10 is threadedly installed inside the side wall of the inner sleeve 7, and the liquid inlet 11 forms a circulation structure between the cooling tube 10 and the liquid outlet 12. The side slider 9 and the inner sleeve 7 form an integrated structure. During use, the cooling tube 10 is spirally installed inside the inner sleeve 7, which can increase the contact area between the cooling tube 10 and the inner sleeve 7, and facilitate the introduction of cooling material into the cooling tube 10 to cool the inner sleeve 7. Since the inner sleeve 7 and the punch rod inner column 1 are tightly fitted, the cooling tube 10 can also cool the punch rod inner column 1, and there is no direct fit between the cooling tube 10 and the punch rod inner column 1, which can avoid deformation caused by too fast cooling speed of the punch rod inner column 1.

[0041] Furthermore, the inner sleeve 7 forms a detachable structure with the outer sleeve 13 through the cooperation between the side slider 9 and the second slide groove 15. The inner sleeve 7 forms a sliding structure between the side slider 9 and the second slide groove 15. During use, the inner sleeve 7 and the side slider 9 are an integrated structure, which is convenient for installing the inner sleeve 7 through the side slider 9 to avoid the side slider 9 from tilting inside the device. The inner column 1 of the punch rod can be supported and protected to improve the overall structural strength of the device. During installation, the inner sleeve 7 slides into the second slide groove 15 through the side slider 9 and is installed together with the outer sleeve 13. The inner sleeve 7 is protected by the outer sleeve 13 to avoid the inner sleeve 7 from tilting and shifting inside the device to affect the use of the device.

[0042] Furthermore, the outer fixing ring 17 is a detachable structure formed by the bolts 18 and the gasket 16. The inner wall of the outer fixing ring 17 is a conical structure. The outer wall of the gasket 16 is consistent with the inner wall size of the outer fixing ring 17. During use, the punching machine fixes the device through the outer fixing ring 17. During the installation process, the gasket 16 is sleeved on the outside of the outer sleeve 13, and then the outer fixing ring 17 is synchronously sleeved on the outside of the gasket 16. Since the outer surface of the gasket 16 and the inner surface of the outer fixing ring 17 are both conical structures, the gasket 16 can be clamped by the outer fixing ring 17, which is convenient for fixing the outer sleeve 13. Finally, the outer fixing ring 17 is fixed by the bolts 18 to improve the stability of the device.

[0043] Furthermore, the size of the left closed sleeve 19 is consistent with the size of the limit block 14. The left closed sleeve 19 forms a detachable structure with the right closed sleeve 24 through the cooperation between the clamping plate 20 and the clamping slot 26. During use, the left closed sleeve 19 and the right closed sleeve 24 cooperate to protect the top fixing bolt 5. The top pad 23 on the side of the left closed sleeve 19 contacts with the fixing bolt 5 to press the fixing bolt 5 to prevent the fixing bolt 5 from falling out of the inside of the punch rod inner column 1 and affecting the use of the device. During the clamping and fixing process, the left closed sleeve 19 is installed into the inside of the clamping slot 26 through the clamping plate 20 on the side to be fixed with the right closed sleeve 24, which facilitates the fixed clamping of the fixing bolt 5 on the top of the punch rod inner column 1 and improves the overall stability of the device.

[0044] Furthermore, the card block 22 forms a pressing structure with the card plate 20 through the spring 21, and the card plate 20 forms a locking structure with the right closed sleeve plate 24 through the cooperation between the card block 22 and the limiting locking hole 27. The sizes of the left closed sleeve plate 19 and the right closed sleeve plate 24 match each other. During the locking process, the card block 22 connected to the top of the card plate 20 by the spring 21 will cooperate with the card plate 20 to synchronously enter the interior of the slot 26. During the entry process, the card block 22 is compressed by the spring 21. At this time, the card block 22 will be driven by the left closed sleeve plate 19 to continue to enter the interior of the slot 26. Then, after the card block 22 enters the interior of the limiting locking hole 27, the card block 22 will return to its original position due to the elasticity of the spring 21, and will enter and lock into the limiting locking hole 27 to position the left closed sleeve plate 19, so as to protect the punch rod inner column 1 and the fixing bolt 5 inside the left closed sleeve plate 19 and the right closed sleeve plate 24, and prevent the punch rod inner column 1 from escaping from the device upward during the punching process.

[0045] Working principle: First, the inner reinforcing column 3 array is installed inside the punch rod inner column 1, which can provide overall support for the punch rod inner column 1 and improve the strength of the punch rod inner column 1 and the punch 2 during use. At the same time, the inner reinforcing column 1 can be used to increase its resistance to stress by applying prestress inside the inner reinforcing column 3 to prevent the punch rod inner column 1 from deformation and damage during the stamping process, which would affect the use of the device. Then the fixing bolt 5 is spirally installed in the mounting cavity 4 at the top of the punch rod inner column 1 to protect the inner reinforcing column 3 and prevent it from falling out of the device. At the same time, the position of the inner reinforcing column 3 can be limited, and the punch 2 is smoothly connected to the punch rod inner column 1. Therefore, the contact between the punch 2 and the stamped object can be smoother during the stamping process. , reduce the stress on the punch 2 during the stamping process, avoid stress concentration causing damage to the surface of the punch rod inner column 1, avoid damage to the punch rod inner column 1 and the punch 2 during the stamping process, thereby improving the service life of the device, and the punch rod inner column 1 and the punch 2 are both made of tungsten steel material, which can improve the overall strength of the device, improve the wear resistance of the device and avoid damage, and then slide the guide pattern 6 on the outer wall of the punch rod inner column 1 inside the threaded groove 8, and install it into the inner sleeve 7 in a spiral manner to avoid the punch rod inner column 1 from sliding out of the inner sleeve 7 during the stamping process. At the same time, the inner sleeve 7 and the punch rod inner column 1 are tightly attached to each other, and the inner sleeve 7 can be used to cool the punch rod inner column 1 to avoid deformation of the punch rod inner column 1 due to high temperature;

[0046] Afterwards, the inner sleeve 7 and the side slider 9 are an integrated structure, which is convenient for installing the inner sleeve 7 through the side slider 9, avoiding the side slider 9 from tilting inside the device, and supporting and protecting the punch rod inner column 1, thereby improving the overall structural strength of the device. During installation, the inner sleeve 7 slides into the second slide groove 15 through the side slider 9 and is installed together with the outer sleeve 13, and the inner sleeve 7 is protected by the outer sleeve 13, which also avoids the inner sleeve 7 from tilting and shifting inside the device, thereby affecting the use of the device;

[0047] Afterwards, the top pad 23 on the side of the left closed sleeve 19 contacts with the fixing bolt 5 to press the fixing bolt 5 to prevent the fixing bolt 5 from falling out of the inner column 1 of the punch rod and affecting the use of the device. During the clamping and fixing process, the left closed sleeve 19 is installed into the inside of the clamping groove 26 through the clamping plate 20 on the side to be fixed with the right closed sleeve 24, which is convenient for fixing and clamping the fixing bolt 5 on the top of the inner column 1 of the punch rod and improving the overall stability of the device. During the clamping process, the clamping block 22 connected to the top of the clamping plate 20 by the spring 21 will cooperate with the clamping plate 20 to enter the clamping groove synchronously. The card block 22 is compressed by the spring 21 during the entry process. At this time, the card block 22 will be driven by the left closed sleeve 19 to continue to enter the card slot 26. Then, when the card block 22 enters the interior of the limit card hole 27, the card block 22 will return to its original position due to the elasticity of the spring 21, and will enter and engage with the interior of the limit card hole 27 to position the left closed sleeve 19, so as to protect the punch rod inner column 1 and the fixing bolt 5 inside the left closed sleeve 19 and the right closed sleeve 24, and prevent the punch rod inner column 1 from detaching upward from the device during the punching process.

[0048] Finally, the punch rod inner column 1 and the punch 2 punch the material, and the cooling tube 10 is spirally installed inside the inner sleeve 7, which can increase the contact area between the cooling tube 10 and the inner sleeve 7, and facilitate the introduction of cooling material into the cooling tube 10 to cool the inner sleeve 7. Since the inner sleeve 7 and the punch rod inner column 1 are tightly fitted, the cooling tube 10 can also cool the punch rod inner column 1, and there is no direct fit between the cooling tube 10 and the punch rod inner column 1, which can avoid deformation caused by too fast cooling speed of the punch rod inner column 1.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-strength punch rod structure for a stamping die, comprising a punch rod inner column (1) and a punch rod mechanism installed above the punch rod inner column (1), characterized in that: The punch mechanism includes an inner punch assembly; The inner punch mechanism comprises a punch (2), the punch (2) is welded and installed at the bottom of the punch inner column (1), an inner reinforcing column (3) is installed in the internal array of the punch inner column (1), an installation cavity (4) is opened at the top center of the punch inner column (1), the fixing bolt (5) is threadedly connected to the installation cavity (4), a guide pattern (6) is welded and installed on the outside of the punch inner column (1), an inner sleeve (7) is installed on the outside of the punch inner column (1), a threaded groove (8) matching the size of the guide pattern (6) is opened on the inner wall of the inner sleeve (7), side sliders (9) are welded and installed on the left and right sides of the inner sleeve (7), a cooling pipe (10) is spirally installed inside the side wall of the inner sleeve (7), the left side of the cooling pipe (10) is connected to a liquid inlet (11), and the other side of the cooling pipe (10) is connected to a liquid outlet (12).

2. The high-strength punch rod structure for a stamping die according to claim 1, characterized in that: The inner sleeve (7) is installed with the inner part of the outer sleeve (13), the top of the outer sleeve (13) is fixedly installed with a limit block (14), the inner wall of the outer sleeve (13) is provided with a second slide groove (15) that matches the size of the side slide block (9), the outer part of the outer sleeve (13) is tightly installed with a gasket (16), the outer part of the gasket (16) is tightly installed with an outer fixing ring (17), the left and right sides of the outer fixing ring (17) are fixed to the gasket (16) by bolts (18), the top of the outer fixing ring (17) is fixedly installed with a left sealing sleeve plate (19), the left sealing sleeve Two groups of clamping plates (20) are fixedly installed on the right side of the plate (19), two groups of springs (21) are welded and installed on the top of the clamping plates (20), and a clamping block (22) is welded and installed on the top of the spring (21). A top pad (23) is welded and installed between the two groups of clamping plates (20) on the right side of the left closed sleeve (19), and a right closed sleeve (24) is symmetrically installed on the right side of the left closed sleeve (19). A clamping groove (26) is opened at a position corresponding to the clamping plate (20) inside the right closed sleeve (24), and a limit clamping hole (27) is opened on the top of the right closed sleeve (24).

3. The high-strength punch rod structure for a stamping die according to claim 1, characterized in that: The punch (2) and the punch rod inner column (1) are integrally arranged, the punch (2) and the punch rod inner column (1) are smoothly connected, the punch (2) is a conical table structure, and the punch (2) and the punch rod inner column (1) are both made of tungsten steel material.

4. The high-strength punch rod structure for a stamping die according to claim 1, characterized in that: The inner reinforcing columns (3) are distributed in an array inside the punch rod inner column (1), the fixing bolts (5) form a detachable structure through the installation cavity (4) and the punch rod inner column (1), and the diameter of the fixing bolts (5) is larger than the array diameter of the inner reinforcing columns (3).

5. The high-strength punch rod structure for a stamping die according to claim 1, characterized in that: The punch rod inner column (1) is connected to the inner sleeve (7) through the guide groove (6) and the threaded slot (8) to form a detachable structure. The dimensions of the fixing bolt (5) and the threaded slot (8) match each other, and the punch rod inner column (1) and the inner sleeve (7) fit tightly together.

6. The high-strength punch rod structure for a stamping die according to claim 1, characterized in that: The cooling tube (10) is threadedly mounted inside the side wall of the inner sleeve (7); the liquid inlet (11) forms a flow structure between the cooling tube (10) and the liquid outlet (12); and the side slider (9) and the inner sleeve (7) form an integrated structure.

7. The high-strength punch rod structure for a stamping die according to claim 1, characterized in that: The inner sleeve (7) forms a detachable structure with the outer sleeve (13) through the cooperation between the side slider (9) and the second slide groove (15), and the inner sleeve (7) forms a sliding structure through the side slider (9) and the second slide groove (15).

8. The high-strength punch rod structure for a stamping die according to claim 2, characterized in that: The outer fixing ring (17) forms a detachable structure with the gasket (16) through the bolts (18); the inner wall of the outer fixing ring (17) is a conical structure; the outer wall of the gasket (16) and the inner wall of the outer fixing ring (17) are consistent in size.

9. The high-strength punch rod structure for a stamping die according to claim 2, characterized in that: The size of the left closed sleeve (19) matches the size of the limit block (14), and the left closed sleeve (19) forms a detachable structure with the right closed sleeve (24) through the cooperation between the clamping plate (20) and the clamping groove (26).

10. The high-strength punch rod structure for a stamping die according to claim 1, characterized in that: The clamping block (22) forms a pressing structure with the clamping plate (20) through the spring (21), and the clamping plate (20) forms a clamping structure with the right closed sleeve (24) through the cooperation between the clamping block (22) and the limiting clamping hole (27), and the dimensions of the left closed sleeve (19) and the right closed sleeve (24) match each other.

Images