Punching head assembly

Abstract

The utility model discloses a stamping head assembly, which belongs to the technical field of stamping equipment and comprises a lower die holder, a stamping head body, a movable push head and a fixed push rod. A mounting inner cavity is formed in the middle of the lower die base, a movable push head is slidably mounted in the mounting inner cavity, a first spring is arranged in the mounting inner cavity, the bottom of the first spring abuts against the bottom of the mounting inner cavity, and the top of the first spring is fixedly connected with the bottom of the movable push head; the first spring is arranged to be matched with the movable push head for use, the structure is simple, convenience and practicability are achieved, the movable push head can be pushed to pop out after stamping is finished, a metal part clamped in the lower die base is pushed out, and an operator is prevented from manually taking down the metal part; and the fixed push rod can penetrate through the stamping head body to push out the metal part clamped on the surface of the stamping head body, so that the labor intensity of operators is reduced, and the stamping efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of stamping equipment technology, specifically a stamping head assembly. Background Technology

[0002] Stamping is a manufacturing technology that uses the power of conventional or specialized stamping equipment to directly deform sheet metal within a die, thereby obtaining product parts with specific shapes, dimensions, and properties. Sheet metal, dies, and equipment are the three essential elements of stamping. Based on the stamping temperature, it is divided into hot stamping and cold stamping. Hot stamping is suitable for processing sheet metal with high deformation resistance and poor plasticity; cold stamping is performed at room temperature and is a commonly used method for stamping thin sheets. It is one of the main methods of metal plastic forming (or pressure forming) and also belongs to materials forming engineering technology. The stamping head is one of the key components in stamping. During the stamping process, the stamping head applies pressure to workpieces such as sheet metal and tubing, causing them to undergo plastic deformation, thereby obtaining the desired shape and dimensions.

[0003] A search revealed that Chinese Patent Publication No. CN221675539U discloses a detachable stamping die assembly, relating to the field of stamping die technology. The assembly includes a fixed base and a lower die base. A connecting sleeve is welded to the outer surface of the fixed base. One end of a stamping head is inserted into the groove. A screw passes through the threaded hole. Small round rods are welded to both the front and rear ends of the fixed base, and a motor is connected to the rear end of the small round rods at the rear end of the fixed base. A connecting plate is installed on the outer side of the small round rods, and a pressure plate is connected to the top of the connecting plate. A cylinder is installed at the top of the pressure plate. The lower die base is arranged parallel to the fixed base below it, and a stamping die groove is formed inside the lower die base. An electric push rod is located on the left side of the lower die base, and a base is installed below the electric push rod. This utility model features four stamping heads of different sizes. The motor drives the small round rods and the fixed base to rotate, causing the stamping heads installed on the outer side of the fixed base to rotate accordingly, facilitating the exchange of stamping heads of different sizes for stamping operations.

[0004] However, this device also has the following drawbacks:

[0005] When stamping some metal materials, the stamped metal parts may get stuck on the surface of the stamping head or in the lower die holder, requiring the operator to remove them manually. This increases the operator's labor intensity and reduces stamping efficiency. This device does not solve this problem. Utility Model Content

[0006] The purpose of this invention is to provide a stamping head assembly. By using a first spring in conjunction with a movable pusher, the movable pusher can be pushed outward after stamping to push out metal parts stuck in the lower die holder, avoiding manual removal by the operator. After the stamping head body moves upward to a certain position, a fixed push rod can pass through the stamping head body to push out metal parts stuck on the surface of the stamping head body, thereby reducing the labor intensity of the operator and improving stamping efficiency, thus solving the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solutions:

[0008] A stamping head assembly includes a lower die base, a stamping head body, a movable pusher, and a fixed pusher rod;

[0009] The lower mold base has an inner cavity in the middle, and a movable push head is slidably installed inside the inner cavity. A first spring is installed inside the inner cavity, with the bottom of the first spring abutting against the bottom of the inner cavity and the top of the first spring being fixedly connected to the bottom of the movable push head.

[0010] Guide rods are fixedly installed on both sides of the top surface of the stamping head body. The guide rods are slidably engaged with the lifting frame. The top of the fixed push rod is fixedly installed at the center of the bottom surface of the top plate. The fixed push rod is slidably engaged with the through holes opened in the lifting frame and the stamping head body.

[0011] Preferably, the lower mold base includes a mold body, and the top of the mold body has a placement groove.

[0012] Preferably, fixing plates are fixedly installed on both sides of the bottom of the mold body, and the fixing plates are fixedly connected to the middle of the top surface of the base plate by fixing screws.

[0013] Preferably, a second spring is slidably sleeved on the surface of the guide rod, the top of the second spring abuts against the lifting frame, and the bottom of the second spring is fixedly connected to the stamping head body.

[0014] Preferably, a limiting sleeve is provided on the top outer side of the second spring, the limiting sleeve is in sliding clearance fit with the second spring and the guide rod, and the limiting sleeve is fixedly connected to the bottom of the lifting frame.

[0015] Preferably, a limiting plate is fixedly installed on the top of the guide rod, and the limiting plate is positioned above the lifting frame.

[0016] Preferably, two sets of mounting plates are fixedly installed on both sides of the lifting frame, and the top of the mounting plates is fixedly connected to the bottom sides of the transmission frame.

[0017] Preferably, a connecting seat is fixedly installed at the top center of the transmission frame, and a connecting groove is provided on the top of the connecting seat.

[0018] Preferably, the bottom perimeter of the top plate is fixedly connected to the top of four sets of support columns, and the bottom of the support columns is fixedly connected to the top perimeter of the bottom plate.

[0019] Preferably, the lifting frame is slidably engaged with four sets of support columns on its four sides.

[0020] Compared with the prior art, the beneficial effects of this utility model are:

[0021] This utility model uses a first spring in conjunction with a movable pusher head. It has a simple structure and is convenient and practical. After stamping, the movable pusher head can be pushed outward to push out the metal parts stuck in the lower die base, avoiding the need for operators to manually remove them. After the stamping head body moves upward to a certain position, the fixed push rod can pass through the stamping head body to push out the metal parts stuck on the surface of the stamping head body, thereby reducing the labor intensity of the operators and improving stamping efficiency. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the present invention in the pressed state;

[0024] Figure 3 This is a schematic diagram of the cross-sectional structure of the lower mold base;

[0025] Figure 4 This is a schematic diagram of a fixed push rod structure;

[0026] Figure 5 This is a schematic diagram of the stamping head body structure.

[0027] In the diagram: 1. Lower mold base; 101. Mold body; 102. Placement slot; 103. Fixing plate; 2. Punch head body; 3. Mounting cavity; 4. Fixed push rod; 5. Movable push head; 6. First spring; 7. Guide rod; 8. Lifting frame; 9. Top plate; 10. Through hole; 11. Bottom plate; 12. Second spring; 13. Limit sleeve; 14. Limiting plate; 15. Mounting plate; 16. Transmission frame; 17. Connecting seat; 18. Connecting slot; 19. Support column. Detailed Implementation

[0028] 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0029] Please see Figures 1-5 This utility model provides a stamping head assembly:

[0030] In this embodiment, as Figure 1 and Figure 3 As shown, it includes a lower mold base 1 and a movable push head 5. The lower mold base 1 has an installation cavity 3 in the middle. The movable push head 5 is slidably installed inside the installation cavity 3. A first spring 6 is provided inside the installation cavity 3. The bottom of the first spring 6 abuts against the bottom of the installation cavity 3, and the top of the first spring 6 is fixedly connected to the bottom of the movable push head 5.

[0031] By setting the first spring 6 to work with the movable push head 5, the movable push head 5 can be pressed into the mounting cavity 3 during the stamping process, while the first spring 6 is compressed. After the stamping is completed, the compressed spring pushes the movable push head 5 outward, thereby pushing out the metal parts stuck in the lower die holder 1, avoiding the need for operators to remove them manually, thus reducing the labor intensity of operators and improving stamping efficiency.

[0032] In a further preferred embodiment, such as Figure 1 and Figure 5 As shown, it also includes a stamping head body 2, which is located directly above the lower die base 1. Guide rods 7 are fixedly installed on both sides of the top surface of the stamping head body 2. The guide rods 7 are slidably engaged with the lifting frame 8. A second spring 12 is slidably sleeved on the surface of the guide rods 7. The top of the second spring 12 abuts against the lifting frame 8. The bottom of the second spring 12 is fixedly connected to the stamping head body 2. A limit sleeve 13 is provided on the outer side of the top of the second spring 12. The limit sleeve 13 is slidably engaged with the second spring 12 and the guide rods 7. The limit sleeve 13 is fixedly connected to the bottom of the lifting frame 8. A limit plate 14 is fixedly installed on the top of the guide rods 7. The limit plate 14 is located above the lifting frame 8.

[0033] By using the stamping head body 2 in conjunction with the lower die base 1, pressure can be applied to the metal material through the stamping head body 2, causing it to undergo plastic deformation within the lower die base 1, thereby obtaining the desired shape and size. By using the second spring 12, guide rod 7, and limiting plate 14 in conjunction, when the stamping head body 2 contacts the metal material, the pressure applied by the stamping equipment first compresses the second spring 12, thereby preventing excessive instantaneous pressure from damaging the metal material. When the second spring 12 is fully compressed into the limiting sleeve 13, the lifting frame 8 applies pressure to the metal material through the stamping head body 2 via the bottom limiting sleeve 13, thereby achieving stamping.

[0034] Furthermore, such as Figure 4 and Figure 5As shown, the top of the fixed push rod 4 is fixedly installed at the center of the bottom surface of the top plate 9, and the fixed push rod 4 is slidably engaged with the through hole 10 opened in the lifting frame 8 and the stamping head body 2.

[0035] By setting a fixed push rod 4, after the stamping head body 2 moves upward to a certain position, the fixed push rod 4 can pass through the stamping head body 2 and push out the metal parts stuck on the surface of the stamping head body 2, avoiding the operator from manually removing the metal parts stuck on the surface of the stamping head body 2, thereby further reducing the labor intensity of the operator and improving the stamping efficiency.

[0036] In addition, such as Figure 3 As shown, the lower mold base 1 includes a mold body 101. A placement groove 102 is provided on the top of the mold body 101. Fixing plates 103 are fixedly installed on both sides of the bottom of the mold body 101. The fixing plates 103 are fixedly connected to the middle of the top surface of the base plate 11 by fixing screws.

[0037] By setting the placement slot 102, it is convenient for operators to place metal materials on the top of the lower die holder 1 and align them with the stamping head body 2, which improves the stamping accuracy. By setting the fixing plate 103, it is convenient to fix the lower die holder 1 and also convenient to disassemble and replace the lower die holder 1.

[0038] Furthermore, such as Figure 5 As shown, two sets of mounting plates 15 are fixedly installed on both sides of the lifting frame 8. The top of the mounting plate 15 is fixedly connected to the bottom sides of the transmission frame 16. A connecting seat 17 is fixedly installed in the middle of the top of the transmission frame 16. A connecting groove 18 is opened on the top of the connecting seat 17.

[0039] The connecting seat 17 and the connecting groove 18 facilitate connection with the telescopic end of external stamping equipment, thereby increasing the stamping power of this device.

[0040] It is worth noting that, such as Figure 2 As shown, the bottom perimeter of the top plate 9 is fixedly connected to the top of the four sets of support columns 19, the bottom of the support columns 19 is fixedly connected to the top perimeter of the bottom plate 11, and the perimeter of the lifting frame 8 is slidably engaged with the four sets of support columns 19.

[0041] By setting up the top plate 9, the bottom plate 11 and four sets of support columns 19, the other structures of this device can be supported, and the stability of the lifting frame 8 when moving up and down is improved, thereby improving the stability of the stamping head body 2.

[0042] In practical use, move the device to the designated position, connect the telescopic end of the external stamping equipment to the connecting groove 18, place the metal material into the placement groove 102, start the external stamping equipment, and the telescopic end of the external stamping equipment pushes the transmission frame 16 downward. The transmission frame 16 drives the lifting frame 8 downward through the mounting plate 15, thereby driving the guide rod 7 and the stamping head body 2 to move towards each other simultaneously. When the stamping head body 2 contacts the surface of the metal material, it first compresses the second spring 12, and at the same time, the elastic force of the second spring 12 acts on the surface of the metal material. As the pressure decreases, the elastic force gradually increases. When the limiting sleeve 13 contacts the stamping head body 2, the pressure decreases. All pressure is applied to the stamping head body 2 to stamp the metal material. The metal material is stamped into the specified shape in the lower die 1. At the same time, the push head is pressed to compress the first spring 6. After stamping is completed, the external stamping equipment's telescopic end drives the stamping head body 2 and other structures to move upward. After the first spring 6 loses its downward pressure, it pushes the movable pusher upward to push the stamped metal part out of the lower die 1. If the formed metal part is stuck on the surface of the stamping head body 2, as the stamping head body 2 moves upward, the bottom of the fixed push rod will pass through the lifting frame 8 and the through hole 10 of the stamping head body 2, pushing out the metal part stuck on the surface of the stamping head body 2.

[0043] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A stamping head assembly, comprising a lower die holder (1), characterized in that: It also includes a stamping head body (2), a movable pusher (5), and a fixed push rod (4); The lower mold base (1) has an installation cavity (3) in the middle. A movable push head (5) is slidably installed inside the installation cavity (3). A first spring (6) is provided inside the installation cavity (3). The bottom of the first spring (6) abuts against the bottom of the installation cavity (3). The top of the first spring (6) is fixedly connected to the bottom of the movable push head (5). Guide rods (7) are fixedly installed on both sides of the top surface of the stamping head body (2). The guide rods (7) are slidably engaged with the lifting frame (8). The top of the fixed push rod (4) is fixedly installed at the center of the bottom surface of the top plate (9). The fixed push rod (4) is slidably engaged with the lifting frame (8) and the through hole (10) opened in the stamping head body (2).

2. The stamping head assembly according to claim 1, characterized in that: The lower mold base (1) includes a mold body (101), and a placement groove (102) is provided on the top of the mold body (101).

3. The stamping head assembly according to claim 2, characterized in that: Fixing plates (103) are fixedly installed on both sides of the bottom of the mold body (101), and the fixing plates (103) are fixedly connected to the middle of the top surface of the base plate (11) by fixing screws.

4. The stamping head assembly according to claim 1, characterized in that: The guide rod (7) is slidably sleeved with a second spring (12), the top of the second spring (12) abuts against the lifting frame (8), and the bottom of the second spring (12) is fixedly connected to the stamping head body (2).

5. The stamping head assembly according to claim 4, characterized in that: A limiting sleeve (13) is provided on the top outer side of the second spring (12). The limiting sleeve (13) is in sliding clearance cooperation with the second spring (12) and the guide rod (7). The limiting sleeve (13) is fixedly connected to the bottom of the lifting frame (8).

6. The stamping head assembly according to claim 5, characterized in that: A limiting plate (14) is fixedly installed on the top of the guide rod (7), and the limiting plate (14) is located above the lifting frame (8).

7. The stamping head assembly according to claim 6, characterized in that: Two sets of mounting plates (15) are fixedly installed on both sides of the lifting frame (8), and the top of the mounting plate (15) is fixedly connected to the bottom sides of the transmission frame (16).

8. The stamping head assembly according to claim 7, characterized in that: A connecting seat (17) is fixedly installed at the top center of the transmission frame (16), and a connecting groove (18) is provided on the top of the connecting seat (17).

9. The stamping head assembly according to claim 1, characterized in that: The bottom perimeter of the top plate (9) is fixedly connected to the top of four sets of support columns (19), and the bottom of the support columns (19) is fixedly connected to the top perimeter of the bottom plate (11).

10. The stamping head assembly according to claim 1, characterized in that: The lifting frame (8) is slidably engaged with four sets of support columns (19) on all four sides.

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