CN221675492U - A square combination punch structure for cold forging - Google Patents

Abstract

The utility model relates to the technical field of cold forging punch structure, specifically a square combined punch structure for cold forging, comprising a base and a punching die mechanism, wherein the punching die mechanism is movably installed at the upper end of the base, a die frame is fixedly arranged at the upper end of the base, a pad is installed at the lower end of the die frame, and a clamp is arranged at the lower end of the pad; the utility model enters through the base and the unloading plate, enters through a feeding port at one end of the unloading plate, punches and trims in sequence, and finally performs a U-shaped groove, and presses downward by the punch to cut the die and the shear block, thereby automatically completing the stamping, thereby achieving the purpose of automated continuous stamping, through the pad, the clamp and the punch at the lower end of the die frame, and then through the external guide column to guide and close the template, and by driving the punch to move up and down to perform stamping, thereby achieving a simple structure, convenient operation and improved efficiency of the die.

Description

A square combination punch structure for cold forging

Technical Field

The utility model relates to the technical field of cold forging punch structures, in particular to a square combined punch structure for cold forging.

Background Art

The punch is also called a punch, upper die, male die, punch needle, etc., and the punch is divided into A-type punch, T-type punch, and special-shaped punch. The punch is a metal part installed on the stamping die, which is used for direct contact with the material to deform and cut the material.

As disclosed in the authorization announcement number CN207026399U, a square combination punch structure for cold forging is disclosed, including a press and a slider welded inside the press, the bottom of the slider is connected to a fixed plate by screws, the middle of the fixed plate is provided with a punch sleeve, the inside of the punch sleeve is provided with a combined punch ring, the inside of the combined punch ring is provided with a combined punch core rod, the combined punch core rod is composed of a punch square block, a gradually rounded block, a cylindrical block, a groove block and a groove, the punch square block is arranged at the bottom of the combined punch core rod, the top of the punch square block is provided with a gradually rounded block, the top of the gradually rounded block is provided with a cylindrical block, the top of the cylindrical block is provided with a groove block, the surface of the groove block is provided with a groove, the bottom of the fixed plate is provided with a die, the inside of the die is provided with a processing part, and the bottom of the processing part is provided with a push rod.

Although the utility model has a simple structure and can effectively avoid stress concentration during forging and prevent the punch from breaking during high-pressure forging, it does not solve the problem of automated continuous stamping and thus achieve convenient operation while improving the efficiency of the die.

Utility Model Content

The utility model aims to provide a square combined punch structure for cold forging to solve the problems raised in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions:

A square combination punch structure for cold forging includes a base and a die mechanism, wherein the die mechanism is movably mounted on the upper end of the base, and the die mechanism includes a die frame, a pad, a clamp and a punch. The die frame is fixedly mounted on the upper end of the base, a pad is mounted on the lower end of the die frame, a clamp is disposed at the lower end of the pad, a punch hole is formed on the clamp, and a punch is movably disposed inside the punch hole.

Preferably, large holes are opened at four ends of the surface of the mold frame, and outer guide pillars are movably arranged inside the large holes. Small holes are opened at the inner ends of the surface of the mold frame, and screws are arranged inside the small holes.

Preferably, a discharge plate is installed on the upper surface of the base, and a U-shaped groove is opened on one side of the upper surface of the discharge plate.

Preferably, a groove is provided at the inner bottom end of the U-shaped groove, a shear block is installed inside the groove, and a tightening spring is connected to the bottom end of the shear block.

Preferably, holes are provided at both ends of the surface of the discharge plate, screws are connected inside the holes, and a feed port is provided at one end of the discharge plate.

Preferably, a screw rod is connected to the bottom end of the mold frame, and a shock-absorbing spring is installed on the outer side of the screw rod.

Compared with the prior art, the beneficial effects of the utility model are:

1. This cold forging square combination punch structure passes through the base and the unloading plate, enters through the feeding port at one end of the unloading plate, and then goes through punching and trimming in turn, and finally makes a U-shaped groove. The punch is pressed down to cut the die and the shear block, thereby automatically completing the stamping, thereby achieving the purpose of automated continuous stamping.

2. This cold forging square combination punch structure uses a pad, a clamp and a punch at the lower end of the die frame, and then uses an external guide column to guide and close the template, and drives the punch up and down to perform stamping, thereby achieving a simple structure, convenient operation and improved efficiency of the die.

BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 is a schematic diagram of the overall structure of the utility model;

FIG2 is a front view of the structure of the present utility model;

FIG3 is an enlarged schematic diagram of point A in FIG2 of the present invention;

FIG. 4 is an enlarged schematic diagram of point B in FIG. 2 of the present invention.

In the figure: 1. base; 2. mold frame; 3. pad; 4. clamping plate; 5. punch; 6. large hole; 7. outer guide column; 8. small hole; 9. screw; 10. unloading plate; 11. U-shaped groove; 12. groove; 13. shear block; 14. fastening spring; 15. hole; 16. feed port; 17. shock-absorbing spring.

DETAILED DESCRIPTION

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

Please refer to Figures 1 to 4, a technical solution provided by the utility model:

A square combination punch 5 structure for cold forging includes a base 1 and a die mechanism, the die mechanism is movably installed on the upper end of the base 1, the die mechanism includes a die frame 2, a pad 3, a clamping plate 4 and a punch 5, the die frame 2 is fixedly arranged on the upper end of the base 1, the pad 3 is installed on the lower end of the die frame 2, the clamping plate 4 is arranged on the lower end of the pad 3, a punching hole is opened on the clamping plate 4, and the punch 5 is movably arranged inside the punching hole.

Through the above scheme, by setting up the punching die mechanism, it is realized that the material enters through the feeding port at one end of the discharge plate 10, punches and trims in sequence, and finally makes a U-shaped groove 11. The punch 5 is pressed downward to cut the die and the shear block 13, thereby automatically completing the stamping, thereby achieving the purpose of automated continuous stamping.

In this embodiment, preferably, large holes 6 are opened at the four ends of the surface of the mold frame 2, and outer guide pillars 7 are movably arranged inside the large holes 6. Small holes 8 are opened at the inner ends of the surface of the mold frame 2, and screws 9 are arranged inside the small holes 8.

Through the above scheme, by arranging the outer guide pillar 7, the large hole 6 and the small hole 8, the purpose of installing, fixing and guiding and closing the mold plate is achieved.

In this embodiment, preferably, a discharge plate 10 is installed on the upper surface of the base 1 , and a U-shaped groove 11 is opened on one side of the upper surface of the discharge plate 10 .

Through the above scheme, by providing the stripper plate 10 and the U-shaped groove 11 , the purpose of punching is achieved by performing punching inside the U-shaped groove 11 .

In this embodiment, preferably, a groove 12 is provided at the inner bottom end of the U-shaped groove 11 , a shear block 13 is installed inside the groove 12 , and a fastening spring 14 is connected to the bottom end of the shear block 13 .

Through the above solution, by providing the shear block 13 and the fastening spring 14, cutting and automatic rebound are achieved, thereby achieving the purpose of automatic integration.

In this embodiment, preferably, holes 15 are provided at both ends of the surface of the discharge plate 10 , the screw rods 9 are connected to the inside of the holes 15 , and a feed port 16 is provided at one end of the discharge plate 10 .

Through the above solution, by setting the feed port 16, the purpose of feeding the material into the trimming is achieved.

In this embodiment, preferably, a screw rod 9 is connected to the bottom end of the mold frame 2 , and a shock absorbing spring 17 is installed on the outer side of the screw rod 9 .

Through the above solution, the purpose of moving the mold frame 2 up and down for stamping is achieved by arranging the shock-absorbing spring 17 and the outer guide column 7.

When in use, the square combination punch 5 structure for cold forging of the present embodiment passes through the base 1 and the discharge plate 10, enters through the feeding port at one end of the discharge plate 10, punches and trims in turn, and finally makes a U-shaped groove 11. The punch 5 is pressed downward to cut the mold and the shear block 13, thereby automatically completing the stamping, thereby achieving the purpose of automated continuous stamping; through the pad 3, the clamping plate 4 and the punch 5 at the lower end of the mold frame 2, and then through the outer guide column 7, the template is guided and molded, and stamping is performed by driving the punch 5 to move up and down, thereby achieving a simple structure, convenient operation and improved efficiency of the die.

The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims (6)

1. A cold forging square combination punch (5) structure, comprising a base (1) and a die mechanism, characterized in that: the die mechanism is movably mounted on the upper end of the base (1), the die mechanism comprises a die frame (2), a pad (3), a clamp (4) and a punch (5), the die frame (2) is fixedly mounted on the upper end of the base (1), the pad (3) is mounted on the lower end of the die frame (2), the clamp (4) is arranged at the lower end of the pad (3), a punch hole is opened on the clamp (4), and the punch (5) is movably arranged inside the punch hole. 2. A square combination punch (5) structure for cold forging according to claim 1, characterized in that: large holes (6) are opened at four ends of the surface of the die frame (2), external guide pillars (7) are movably arranged inside the large holes (6), and small holes (8) are opened at the inner ends of the surface of the die frame (2), and screws (9) are arranged inside the small holes (8). 3. A square combination punch (5) structure for cold forging according to claim 1, characterized in that a stripping plate (10) is installed on the upper surface of the base (1), and a U-shaped groove (11) is opened on one side of the upper surface of the stripping plate (10). 4. A square combination punch (5) structure for cold forging according to claim 3, characterized in that: a groove (12) is provided at the inner bottom end of the U-shaped groove (11), a shear block (13) is installed inside the groove (12), and a tightening spring (14) is connected to the bottom end of the shear block (13). 5. A square combination punch (5) structure for cold forging according to claim 3 is characterized in that holes (15) are provided at both ends of the surface of the stripping plate (10), a screw (9) is connected inside the hole (15), and a feed port (16) is provided at one end of the stripping plate (10). 6. A square combination punch (5) structure for cold forging according to claim 1, characterized in that: a screw rod (9) is connected to the bottom end of the die frame (2), and a shock-absorbing spring (17) is installed on the outer side of the screw rod (9).