Stamping type cylinder forming machine

Abstract

The utility model discloses a stamping type cylinder forming machine. The stamping type cylinder forming machine comprises a base, an installation frame, a stamping oil cylinder and a split type die. The mounting frame is arranged on the base; the punching oil cylinder is mounted in the center of the top end of the mounting frame; the split type die is installed in the center of the bottom of the installation frame, and the stamping oil cylinder is connected with the split type die. The split type die comprises an upper die and a lower die which are arranged in a semicircular shape, and an inner cylinder is installed between the upper die and the lower die. The cylinder forming device is simple in structure and convenient to operate, the punching oil cylinder is arranged to punch the split type die so as to ensure that a pre-bent steel plate can be accurately formed into a cylinder, the forming efficiency and the forming precision are improved, errors in the forming process are reduced, and the production cost is reduced. And meanwhile, an inclined plane guide block, a groove assembled with the inclined plane guide block and a guide rod playing a guiding role are arranged, so that the die assembly process of the upper die and the lower die in the stamping process is precisely guided and limited, and serious deviation in the stamping process is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of cylindrical forming equipment, and particularly relates to a stamping type cylindrical forming machine. Background Art

[0002] Conventionally, a rolling machine is generally used for making cylinders. A rolling machine is a device that bends sheet materials using working rolls and can form parts with different shapes such as cylindrical parts and conical parts, and it is a very important processing device. The working principle of the rolling machine is that through the action of external forces such as hydraulic pressure and mechanical force, the working rolls move, thereby bending or curling the sheet material into shape.

[0003] Using a rolling machine to make cylinders has good versatility, but the forming speed is slow, the efficiency is low, the cost is relatively high, the roundness after forming is poor, and the roundness of the cylinder needs to be calibrated. The operation during the entire cylinder forming process is rather cumbersome and complex. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is to provide a stamping type cylindrical forming machine, which can solve the problems of slow forming speed, low forming roundness, and complex operation when using a rolling machine to make cylinders.

[0005] To solve the above technical problems, the technical solutions adopted by the utility model are as follows.

[0006] A stamping type cylindrical forming machine includes a base, a mounting frame, a stamping oil cylinder, and a split mold; the mounting frame is arranged on the base; the stamping oil cylinder is installed at the center of the top of the mounting frame; the split mold is installed at the center of the bottom of the mounting frame, and the stamping oil cylinder is connected to the split mold; the split mold includes an upper mold and a lower mold arranged in a semi-circular shape, and an inner cylinder is installed between the upper mold and the lower mold.

[0007] For the above stamping type cylindrical forming machine, the mounting frame includes an upper cross beam, a lower cross beam, and tie rods. The lower cross beam is installed on the base, the upper cross beam and the lower cross beam are connected by tie rods, and the opposite ends of the upper cross beam and the lower cross beam are locked with the tie rods through locking nuts.

[0008] For the above stamping type cylindrical forming machine, the lower mold is installed at the center of the top of the lower cross beam through a first mounting frame, and a second mounting frame connected to the first mounting frame is arranged on the upper mold; an oil cylinder connecting seat connected to the oil cylinder piston rod on the stamping oil cylinder is arranged at the top of the second mounting frame.

[0009] For the above stamping type cylindrical forming machine, guide rods for guiding are further installed on the first mounting frame, and the second mounting frame is slidably fitted with the guide rods.

[0010] In the above-mentioned stamping cylindrical forming machine, an inclined surface guiding block is arranged on the first mounting frame near the circumferential side of the top end of the lower die, and a groove for assembling with the inclined surface guiding block to realize accurate positioning during die closing is formed on the second mounting frame near the circumferential side of the bottom end of the upper die.

[0011] In the above-mentioned stamping cylindrical forming machine, the inner cylinder is arranged in a split structure and is respectively installed on the first mounting frame and the second mounting frame through bolts; the inner cylinder is made of high-carbon steel.

[0012] Due to the adoption of the above technical solutions, the technical progress achieved by the present utility model is as follows.

[0013] The present utility model provides a stamping cylindrical forming machine, which has a simple structure and is convenient to operate. By arranging a stamping oil cylinder to stamp a split die, it ensures that the pre-bent steel plate can be accurately formed into a cylinder, improves the forming efficiency and accuracy, reduces the error during the forming process, and at the same time arranges an inclined surface guiding block, a groove assembled with it, and a guide rod for guiding, which accurately guides and limits the die closing process of the upper die and the lower die during the stamping process, avoiding serious deviation during the stamping process. Description of the Drawings

[0014] Figure 1 is a schematic structural diagram of the present utility model;

[0015] Figure 2 is a side view of the present utility model;

[0016] Figure 3 is a schematic structural diagram of the split die of the present utility model.

[0017] Wherein: 1. lower crossbeam, 2. pull rod, 3. upper crossbeam, 4. locking nut, 5. stamping oil cylinder, 6. upper die, 7. lower die, 8. base, 9. first mounting frame, 10. second mounting frame, 11. oil cylinder connecting seat, 12. oil cylinder piston rod, 13. inner cylinder, 14. guide rod, 15. inclined surface guiding block, 16. groove. Detailed Embodiments

[0018] The present utility model will be further described in detail below in conjunction with the drawings and specific embodiments.

[0019] A stamping cylindrical forming machine, as Figures 1 to 3 shown, includes a base 9, a mounting frame, a stamping oil cylinder 5, and a split die. The mounting frame is arranged on the base 9, the stamping oil cylinder 9 is installed at the center of the top end of the mounting frame, the split die is installed at the center of the bottom of the mounting frame, and the stamping oil cylinder 5 is connected to the split die.

[0020] The mounting bracket includes an upper cross beam 3, a lower cross beam 1, and a tie rod 2. The lower cross beam 1 is mounted on a base 9, and the upper cross beam 3 is connected to the lower cross beam 1 by the tie rod 2. One end of the upper cross beam 3 facing away from the lower cross beam 2 is locked with the tie rod 2 by a locking nut 4.

[0021] The split mold includes an upper mold 6 and a lower mold 7 arranged in a semicircular shape. An inner cylinder 13 is installed between the upper mold 6 and the lower mold 7. The lower mold 7 is installed at the center of the top of the lower cross beam 1 through a first mounting bracket 9. A second mounting bracket 10 connected to the first mounting bracket 9 is provided on the upper mold 6.

[0022] A bevel guide block 15 is provided on the first mounting bracket 9 near the peripheral side of the top end of the lower mold 7. A groove 16 fitted with the bevel guide block 15 is opened on the second mounting bracket 10 near the peripheral side of the bottom end of the upper mold 6. When the mold is closed, it can accurately guide the split mold and prevent skew during stamping due to excessive pressure.

[0023] An oil cylinder connecting seat 11 connected to the oil cylinder piston rod 12 on the stamping oil cylinder 5 is provided at the top of the second mounting bracket 10. The upper mold 6 and the lower mold 7 are driven by the stamping oil cylinder 5 to cooperate to complete the stamping forming of the cylinder.

[0024] A guide rod 14 is also installed on the first mounting bracket 9. The second mounting bracket 10 is slidably fitted with the guide rod 14 to guide the downward stamping of the upper mold 6 and prevent deflection during movement.

[0025] The inner cylinder 13 is arranged in a split structure and is respectively installed on the first mounting bracket 9 and the second mounting bracket 10 by bolts.

[0026] The inner cylinder 13 is made of high carbon steel and is formed by high-frequency quenching on the inner surface, which is wear-resistant. During use, the inner cylinder 13 can be made into different diameters to be used for pressing cylinders of different diameters.

[0027] During use, first, the steel plate is subjected to primary die opening and pre-bending treatment, and then the treated steel plate is placed into the split mold and installed between the outer wall of the lower mold 7 and the inner cylinder 13 connected to the lower mold 7. Then, the stamping oil cylinder is started. The stamping oil cylinder exerts an impact force on the upper mold 6 to drive the upper mold 6 to move along the direction of the guide rod 14, and the upper mold 6 and the lower mold 7 are made to cooperate to complete the forming of the cylinder through the assembly and limitation of the bevel guide block 15 and the groove.

[0028] During use, different-sized inner cylinders 13 can be replaced to cooperate with the upper mold 6 and the lower mold 7 to form cylinders of different diameters under the action of the stamping oil cylinder.

[0029] The utility model provides a stamping type cylindrical forming machine, which has a simple structure and is convenient to operate. By arranging a stamping oil cylinder to stamp a split mold, it ensures that the pre-bent steel plate can be accurately formed into a cylinder, improves the forming efficiency and accuracy, reduces the error in the forming process. At the same time, an inclined surface guide block, a groove matched with it and a guide rod for guiding are arranged to accurately guide and limit the die closing process of the upper die and the lower die during the stamping process, avoiding serious deviation during the stamping process.

Claims

1. A stamping cylinder forming machine, characterized in that: The invention comprises a base (8), a mounting frame, a stamping cylinder (5) and a split mold; the mounting frame is arranged on the base (8); the stamping cylinder (5) is installed at the top center of the mounting frame; the split mold is installed at the bottom center of the mounting frame, and the stamping cylinder (5) is connected to the split mold; the split mold comprises an upper mold (6) and a lower mold (7) arranged in a semicircular shape, and an inner cylinder (13) is installed between the upper mold (6) and the lower mold (7).

2. A stamping cylinder forming machine according to claim 1, characterized in that: The mounting frame comprises an upper crossbeam (3), a lower crossbeam (1), and a pull rod (2); the lower crossbeam (1) is mounted on a base (8); the upper crossbeam (3) and the lower crossbeam (1) are connected via the pull rod (2); and the end of the upper crossbeam (3) that is away from the lower crossbeam (1) is locked with the pull rod (2) via a locking nut (4).

3. A stamping cylinder forming machine according to claim 2, characterized in that: The lower die (7) is mounted at the center of the top of the lower cross beam (1) via a first mounting frame (9); a second mounting frame (10) connected to the first mounting frame (9) is provided on the upper die (6); and a cylinder connecting seat (11) connected to a cylinder piston rod (12) on a stamping cylinder (5) is provided on the top of the second mounting frame (10).

4. A stamping cylinder forming machine according to claim 3, characterized in that: A guide rod (14) having a guiding function is also installed on the first mounting frame (9), and the second mounting frame (10) is slidably mounted on the guide rod (14).

5. A stamping cylinder forming machine according to claim 3, characterized in that: A first mounting frame (9) close to the top peripheral side of the lower mold (7) is provided with an inclined surface guide block (15), and a second mounting frame (10) close to the bottom peripheral side of the upper mold (6) is provided with a groove (16) which is matched with the inclined surface guide block (15) and realizes precise positioning of mold closing.

6. A stamping cylinder forming machine according to claim 3, characterized in that: The inner cylinder (13) is arranged in a split structure, and the inner cylinder (13) is respectively mounted on the first mounting frame (9) and the second mounting frame (10) by bolts; the inner cylinder (13) is made of high carbon steel.

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