A double-cylinder hydraulic forming equipment for pressing metal products
By designing a dual-cylinder hydraulic forming device including a switching mechanism, the problem that existing equipment is difficult to adjust the angle of the piston rod and the cylinder is solved, and the flexibility and efficiency of the equipment are improved.
Patent Information
- Application Number
- CN202210406731.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-04-18
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2042-04-18
AI Technical Summary
After the hydraulic cylinder assembly is completed, it is difficult to adjust the angle between the piston rod and the cylinder, resulting in poor equipment flexibility.
A dual cylinder hydraulic forming device including a cylinder barrel, a piston rod, an earring, a cylinder base and a switching mechanism is designed. The switching mechanism consists of a flashlight, a motor, a telescopic rod, a slot and a clip. The telescopic rod is driven by the motor to rotate, and the piston rod is rotated, and the telescopic rod is extended and shortened through the clip slot and clip, achieving the purpose of angle adjustment.
The effect of switching between two states of preventing the piston rod from rotating and causing the piston rod to rotate is achieved, and the flexibility and efficiency of the equipment are improved.
Smart Images

Figure CN114810715B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of metal products, and in particular to a double-cylinder hydraulic forming device for pressing metal products. Background Art
[0002] The metal products industry includes the manufacturing of structural metal products, metal tools, containers, metal packaging containers, stainless steel and similar daily metal products, etc. With the progress of society and the development of science and technology, metal products are being used more and more widely in industry, agriculture and all areas of people's lives, creating more and more value for society.
[0003] In the process of processing and pressing metal products, double-cylinder hydraulic forming equipment is used. For the existing double-cylinder hydraulic forming equipment for pressing metal products, the existing anti-rotation technology is to fix the radial angle between the piston rod and the cylinder body to prevent the piston rod from rotating while moving linearly. However, once the hydraulic cylinder is assembled, it will become very difficult to adjust the angle between the piston rod and the cylinder barrel. Therefore, a double-cylinder hydraulic forming equipment for pressing metal products is proposed to solve the above problems. Summary of the invention
[0004] The invention aims at solving the technical problem that it is difficult to adjust the angle between the piston rod and the cylinder barrel after the existing hydraulic cylinder is assembled.
[0005] The above-mentioned object of the present invention is achieved through the following technical solutions:
[0006] A double-cylinder hydraulic forming equipment for pressing metal products comprises a cylinder barrel, a piston rod is movably connected inside the cylinder barrel, a retaining ring is fixedly connected to the outer surface of the piston rod, an earring is fixedly connected to one end of the piston rod, a cylinder bottom is fixedly connected to one end of the cylinder barrel, and a switching mechanism is fixedly connected inside the cylinder barrel.
[0007] Preferably, the switching mechanism includes an electromechanical flashlight, the interior of the cylinder is fixedly connected to the electromechanical flashlight, the interior of the electromechanical flashlight is fixedly connected to a motor, a telescopic rod is fixedly connected to the output shaft of the motor, a card slot is provided inside the telescopic rod, and a card strip is fixedly connected to the outer surface of the telescopic rod.
[0008] Preferably, the electromechanical barrel is located on the inner left side wall of the cylinder barrel, the left side wall of the electromechanical barrel is fixedly connected to the inner left side wall of the cylinder barrel, and the position of the electromechanical barrel is opposite to that of the piston rod.
[0009] Preferably, the left end of the motor is fixedly connected to the inner left side wall of the electromechanical flashlight, the output shaft of the motor is fixedly connected to the left end of the telescopic rod, and the telescopic rod passes through the right side wall of the electromechanical flashlight.
[0010] Preferably, the right end of the telescopic rod is fixedly connected to the left end of the piston rod, the piston rod passes through the middle position of the right side wall of the cylinder, the earring is located at the right end of the piston rod, and the earring is located on the right side of the cylinder.
[0011] Preferably, the card slot is located on the front side of the telescopic rod, the card slot protrudes from the telescopic rod, the card strip is located on the front side of the telescopic rod, the card strip is plugged into the card slot, and the length of the card strip is consistent with the length of the card slot.
[0012] Preferably, the piston rod is sleeved with the right side wall of the cylinder barrel, the retaining ring is located at the left end of the piston rod, the cylinder bottom is located at the left end of the cylinder barrel, and the position of the cylinder bottom is opposite to that of the earring.
[0013] In summary, the present invention includes at least one of the following beneficial technical effects:
[0014] 1. By setting the cylinder, the cylinder is one of the main components of the double-cylinder hydraulic forming equipment. In terms of structural form, different pressure levels correspond to different materials. The inner diameter of the cylinder is mainly calculated and determined based on the load requirements. The cylinder can play a good sealing role and prevent leakage, etc. By setting the piston rod, the piston rod is a connecting component that supports the piston to do work. It is a moving component that moves frequently and has high technical requirements. By setting the earrings, the role of the earrings is to drive the piston rod to move. By setting the cylinder bottom, the role of the cylinder bottom is to reduce the impact caused by the double-cylinder hydraulic forming equipment when it moves to the end.
[0015] 2. By setting an electromechanical cylinder, the function of the electromechanical cylinder is to be fixedly connected to the inner left side wall of the cylinder, and the inner left side wall of the electromechanical cylinder is fixedly connected to the left end of the motor. By setting the motor, the output shaft of the motor is fixedly connected to the left end of the telescopic rod, so the rotation of the motor output shaft can drive the telescopic rod to rotate in the same direction. By setting the telescopic rod, the function of the telescopic rod is to be driven to rotate by the output shaft of the motor, and to link the piston rod to rotate in the same direction, and at the same time to be extended and shortened by the lateral movement of the piston rod. By setting the card slot, the card slot and the card strip are both located on the front side of the telescopic rod, the length of the card strip is consistent with the length of the card slot, and the card slot protrudes from the telescopic rod, so the card strip can be plugged into the card slot, thereby realizing the extension and shortening of the telescopic rod. Through the above settings, the double-cylinder hydraulic forming equipment used for pressing metal products has the effect of switching between the two states of preventing the piston rod from rotating and allowing the piston rod to rotate. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;
[0017] Figure 2 It is a schematic diagram of the structure of the switching mechanism of the present invention;
[0018] Figure 3 For the present invention Figure 2 Schematic diagram of the enlarged structure of part A in the middle.
[0019] Figure numerals: 1 cylinder barrel, 2 piston rod, 3 retaining ring, 4 earring, 5 cylinder bottom, 6 switching mechanism, 601 electromechanical flashlight, 602 motor, 603 telescopic rod, 604 slot, 605 clamping strip. DETAILED DESCRIPTION
[0020] The present invention is further described in detail below in conjunction with the accompanying drawings.
[0021] Reference Figure 1-3 , which is a double-cylinder hydraulic forming equipment for pressing metal products disclosed in the present invention, includes a cylinder 1, a piston rod 2 is movably connected inside the cylinder 1, a retaining ring 3 is fixedly connected to the outer surface of the piston rod 2, an earring 4 is fixedly connected to one end of the piston rod 2, a cylinder bottom 5 is fixedly connected to one end of the cylinder 1, and a switching mechanism 6 is fixedly connected inside the cylinder 1.
[0022] exist Figure 2 and Figure 3 In the embodiment, the electromechanical barrel 601 is located inside the cylinder 1, the electromechanical barrel 601 is fixedly connected to the inside of the cylinder 1, the electromechanical barrel 601 is fixedly connected to the inner left wall of the cylinder 1, and the inner left wall of the electromechanical barrel 601 is fixedly connected to the left end of the motor 602, the motor 602 is located inside the electromechanical barrel 601, the motor 602 is fixedly connected to the inside of the electromechanical barrel 601, the output shaft of the motor 602 is fixedly connected to the left end of the telescopic rod 603, so the rotation of the output shaft of the motor 602 can drive the telescopic rod 603 to rotate in the same direction, the telescopic rod 603 is located at the output shaft of the motor 602, and the telescopic rod 603 and the output shaft of the motor 602 are fixedly connected. The telescopic rod 603 is fixedly connected at the axis, and the telescopic rod 603 is driven to rotate by the output shaft of the motor 602, and the piston rod 2 is linked to rotate in the same direction, and is extended and shortened by the lateral movement of the piston rod 2. The slot 604 is opened inside the telescopic rod 603, and the clamping strip 605 is located on the outer surface of the telescopic rod 603. The clamping strip 605 is fixedly connected to the outer surface of the telescopic rod 603. The slot 604 and the clamping strip 605 are both located on the front side of the telescopic rod 603. The length of the clamping strip 605 is consistent with the length of the slot 604. The clamping strip 605 can be plugged into the slot 604, thereby realizing the extension and shortening of the telescopic rod 603.
[0023] exist Figure 2 In the figure, the inner left side wall of the cylinder 1 is fixedly connected to the left side wall of the electromechanical cylinder 601, so the position of the electromechanical cylinder 601 is relatively fixed with the position of the cylinder 1. Because the position of the piston rod 2 is relative to the position of the electromechanical cylinder 601, the position of the telescopic rod 603 is relative to the position of the electromechanical cylinder 601.
[0024] exist Figure 2In the figure, the inner left side wall of the electromechanical flashlight 601 is fixedly connected to the left end of the motor 602, the left end of the telescopic rod 603 is fixedly connected to the output shaft of the motor 602, and the right side wall of the electromechanical flashlight 601 is penetrated by the telescopic rod 603.
[0025] exist Figure 1 and Figure 2 In the figure, the left end of the piston rod 2 is fixedly connected to the right end of the telescopic rod 603, the middle position of the right side wall of the cylinder 1 is penetrated by the piston rod 2, the right end of the piston rod 2 is fixedly connected with the earring 4, and the earring 4 is located on the right side of the cylinder 1.
[0026] exist Figure 2 and Figure 3 In the figure, a slot 604 is provided on the front of the telescopic rod 603, and a clamping strip 605 is fixedly connected to the front of the telescopic rod 603, and the length of the clamping strip 605 is consistent with the length of the slot 604. The clamping strip 605 is plugged into the slot 604, and the telescopic rod 603 is extended and shortened in conjunction with the lateral movement of the piston rod 2. In the process of extending and shortening the telescopic rod 603, the clamping strip 605 and the slot 604 adjust the overlap of the plugging accordingly.
[0027] exist Figure 1 In the figure, the right side wall of the cylinder 1 is sleeved with the piston rod 2, the left end of the piston rod 2 is fixedly connected with a retaining ring 3, the left end of the cylinder 1 is fixedly connected with a cylinder bottom 5, and the position of the earring 4 is opposite to that of the cylinder bottom 5.
[0028] exist Figure 1 In the figure, the cylinder 1 can play a good sealing role and prevent leakage, the piston rod 2 supports the piston to do work, the earring 4 can drive the piston rod 2 to move, and the cylinder bottom 5 is used to reduce the impact caused by the double-cylinder hydraulic molding equipment when it moves to the end.
[0029] The implementation principle of this embodiment is as follows: first, the earring 4 drives the piston rod 2 to move, and the piston rod 2 does work inside the cylinder 1. When it is necessary to prevent the piston rod 2 from rotating, the motor 602 is in a stationary state, and the telescopic rod 603 is extended and shortened in linkage with the lateral movement of the piston rod 2. When it is necessary to rotate the piston rod 2, the output shaft of the motor 602 rotates clockwise, thereby driving the telescopic rod 603 to rotate in the same direction, and then linking the piston rod 2 to rotate in the same direction. At the same time, the telescopic rod 603 is extended and shortened in linkage with the lateral movement of the piston rod 2. In the process of extending and shortening the telescopic rod 603, the clamping strip 605 and the clamping slot 604 adjust the overlap of the insertion accordingly. Through the above arrangement, the double-cylinder hydraulic forming equipment for pressing metal products has the effect of switching between the two states of preventing the piston rod from rotating and allowing the piston rod to rotate.
[0030] In another embodiment of the present invention, since the overlap between the insertion of the clamping strip 605 and the clamping slot 604 has a certain influence on the telescopic rod 603, when the telescopic rod 603 is extended to a certain extent, it is bound to affect the stability of the telescopic rod 603. Therefore, an elastic structure is provided in the inner wall of the clamping slot 604, and the elastic structure will accumulate elastic potential energy as the telescopic rod 603 is extended. A thrust block is provided at the end of the clamping strip 605 close to the clamping slot 604, and a top expansion structure is provided in the thrust block. The top expansion structure will increase the friction between the thrust block and the inner wall of the clamping slot 604 as the elastic potential energy of the elastic structure accumulates, thereby compensating for the insertion and sliding stability between the clamping strip 605 and the clamping slot 604, and ensuring the use stability of the telescopic rod 603.
[0031] The embodiments of this specific implementation method are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.
Claims
1. A double-cylinder hydraulic forming device for pressing metal products, comprising a cylinder barrel (1), characterized in that: The cylinder (1) is movably connected to a piston rod (2), the outer surface of the piston rod (2) is fixedly connected to a retaining ring (3), one end of the piston rod (2) is fixedly connected to an earring (4), one end of the cylinder (1) is fixedly connected to a cylinder bottom (5), and the interior of the cylinder (1) is fixedly connected to a switching mechanism (6); The switching mechanism (6) comprises an electromechanical flashlight (601), the cylinder (1) is fixedly connected to the electromechanical flashlight (601), the electromechanical flashlight (601) is fixedly connected to the inside of the electromechanical flashlight (601), the output shaft of the motor (602) is fixedly connected to a telescopic rod (603), a slot (604) is provided inside the telescopic rod (603), and a clamping strip (605) is fixedly connected to the outer surface of the telescopic rod (603); The electromechanical cylinder (601) is located on the inner left side wall of the cylinder barrel (1), the left side wall of the electromechanical cylinder (601) is fixedly connected to the inner left side wall of the cylinder barrel (1), and the position of the electromechanical cylinder (601) is opposite to the position of the piston rod (2); The left end of the motor (602) is fixedly connected to the inner left side wall of the electromechanical flashlight (601), the output shaft of the motor (602) is fixedly connected to the left end of the telescopic rod (603), and the telescopic rod (603) passes through the right side wall of the electromechanical flashlight (601); The right end of the telescopic rod (603) is fixedly connected to the left end of the piston rod (2), the piston rod (2) passes through the middle position of the right side wall of the cylinder (1), the earring (4) is located at the right end of the piston rod (2), and the earring (4) is located on the right side of the cylinder (1); The card slot (604) is located on the front of the telescopic rod (603), the card slot (604) protrudes from the telescopic rod (603), the card strip (605) is located on the front of the telescopic rod (603), the card strip (605) is plugged into the card slot (604), and the length of the card strip (605) is consistent with the length of the card slot (604); The piston rod (2) is sleeved with the right side wall of the cylinder barrel (1), the retaining ring (3) is located at the left end of the piston rod (2), the cylinder bottom (5) is located at the left end of the cylinder barrel (1), and the position of the cylinder bottom (5) is opposite to the position of the earring (4); First, the earring (4) drives the piston rod (2) to move, and the piston rod (2) performs work inside the cylinder (1). When it is necessary to prevent the piston rod (2) from rotating, the motor (602) is in a stationary state, and the telescopic rod (603) is extended and shortened in conjunction with the lateral movement of the piston rod (2). When it is necessary to rotate the piston rod (2), the output shaft of the motor (602) rotates clockwise, thereby driving the telescopic rod (603) to rotate in the same direction, and then the piston rod (2) is linked to rotate in the same direction. At the same time, the telescopic rod (603) is extended and shortened in conjunction with the lateral movement of the piston rod (2). During the process of the telescopic rod (603) extending and shortening, the clamping strip (605) and the clamping slot (604) adjust the overlap of the insertion accordingly. Since the overlap between the insertion of the clamping strip (605) and the clamping slot (604) has a certain influence on the telescopic rod (603), when the telescopic rod (603) is extended to a certain extent, it is bound to have an influence on the stability of the telescopic rod (603). An elastic structure is arranged inside the inner wall of the clamping slot (604). The elastic structure accumulates elastic potential energy as the telescopic rod (603) is extended. A thrust block is arranged at the end of the clamping strip (605) close to the clamping slot (604). A top expansion structure is arranged inside the thrust block. The top expansion structure increases the friction between the thrust block and the inner wall of the clamping slot (604) as the elastic potential energy of the elastic structure is accumulated, thereby compensating for the insertion sliding stability between the clamping strip (605) and the clamping slot (604), thereby ensuring the use stability of the telescopic rod (603).
Citation Information
Patent Citations
Device for reducing static friction influence in triaxial test
CN112128161A
Telescopic rod structure with fixed point function
CN208138267U
Oil cylinder with good sealing performance
CN211398120U