Small nitrogen spring rolling equipment
By setting up protective components and detection systems in small nitrogen spring rolling equipment, the expansion and contraction of nitrogen springs is automatically adjusted, and the problem of excessive rolling pressure is solved, ensuring the safety and processing quality of the workpiece.
Patent Information
- Application Number
- CN202421654687.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-13
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-07-13
AI Technical Summary
In small nitrogen spring rolling equipment, it is difficult to accurately judge the telescopic position of the nitrogen spring, resulting in excessive rolling pressure on the surface of the workpiece, which may cause damage.
A small nitrogen spring rolling equipment including a workbench and a pressure mechanism is designed. By setting protective components in the equipment, the telescopic space of the nitrogen spring is automatically increased when the rolling pressure is too high, and a PLC controller and electric push rod are used. , pressure sensor and slider components to detect and adjust the expansion and contraction of the nitrogen spring to avoid excessive pressure.
It effectively avoids damage to small workpieces due to excessive rolling pressure, ensuring processing quality and equipment use safety.
Smart Images
Figure CN222288344U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rolling equipment, in particular to a small nitrogen spring rolling equipment. Background Art
[0002] Rolling equipment is a kind of cold rolling equipment, which mainly uses the rotation of rollers to process steel plates. The steel plates are transferred between the upper and lower rollers and squeezed into the required shape. The lower roller rolls below, and the upper roller plays the role of pressing and supporting. The rolling machine has the characteristics of high efficiency, high precision and high quality, which can greatly improve the processing efficiency and product quality. It can also complete the processing of various shapes, such as bending, drawing, transition, shaping and cutting. With the development of technology, because nitrogen springs have the advantages of small size, large elasticity, long stroke and stable operation, some rolling equipment will now adopt A nitrogen spring is used to provide pressure for rolling the workpiece. In the prior art, the size of the rolling equipment to be used varies depending on the size of the workpiece. In the use of small nitrogen spring rolling equipment, a moving part is often used to drive the nitrogen spring to move. Under the restriction of the workpiece, the nitrogen inside the nitrogen spring is compressed, and the nitrogen is expanded to obtain a certain elastic force to pressurize the workpiece. However, because the rolling pressure is applied to the workpiece surface by the expansion and contraction of the nitrogen spring, the expansion and contraction position of the nitrogen spring cannot be accurately determined, which can easily lead to excessive rolling pressure on the workpiece surface and damage to the workpiece. Utility Model Content
[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a small nitrogen spring rolling equipment. By arranging a protective component in the small nitrogen spring rolling equipment, the retractable space of the nitrogen spring is automatically increased when the rolling pressure is too large, thereby avoiding damage to small workpieces due to excessive rolling pressure, and effectively solving the problems in the background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a small nitrogen spring rolling device, including a workbench and a pressure mechanism;
[0005] Workbench: Support shells are provided at both left and right ends of its upper surface, and guide rails are provided on the upper surfaces of the support shells. The upper ends of the guide rails are connected with slides for transverse sliding. Support plates are provided between the upper surfaces of the two slides corresponding to the longitudinal positions. The right end of the support plate on the left is connected with a small rolling wheel through a rotating shaft 1, and the left end of the support plate on the right is connected with a large rolling wheel through a rotating shaft 2. The middle part of the upper surface of the workbench is connected with a three-jaw chuck through a rotating shaft 3;
[0006] Pressure mechanism: It is respectively arranged on the upper surface of the workbench and inside the support plate. By setting a protective component in the small nitrogen spring rolling equipment, the retractable space of the nitrogen spring is automatically increased when the rolling pressure on the small workpiece is too large, and the pressure applied by the nitrogen spring to the small workpiece is reduced, so as to avoid damage to the small workpiece due to excessive rolling pressure and ensure the processing quality of the nitrogen spring rolling equipment.
[0007] Furthermore, a PLC controller is provided on the right side of the workbench, and an input end of the PLC controller is electrically connected to an external power supply to control the start and stop of the entire device.
[0008] Furthermore, the pressure mechanism includes an electric push rod and a nitrogen spring. The electric push rods are respectively arranged on the upper surface of the workbench. The telescopic ends of the electric push rods are provided with connecting plates. The upper ends of the connecting plates are provided with nitrogen springs. The nitrogen springs correspond to the lateral positions of the support plates respectively. The input end of the electric push rod is electrically connected to the output end of the PLC controller to provide pressure for the rolling of the workpiece.
[0009] Furthermore, the pressure mechanism also includes a pressure sensor, a transverse groove, a spring 1 and a slider 1. The transverse grooves are respectively arranged inside the support plates, and the insides of the transverse grooves are slidably connected with sliders 1. The telescopic ends of the nitrogen springs are respectively inserted into the insides of the transverse grooves, and springs 1 are arranged between the telescopic ends of the nitrogen springs and the slider 1. The surface of the slider 1 is provided with pressure sensors, and the pressure sensors are located inside the spring 1. The output end of the pressure sensor is electrically connected to the input end of the PLC controller to detect the rolling force exerted on the workpiece.
[0010] Furthermore, the pressure mechanism also includes a vertical groove, a slider 2 and a spring 2. The vertical grooves are respectively arranged inside the support plate and are connected to the horizontal groove. The inside of the vertical grooves is vertically slidably connected with a slider 2 that is installed in cooperation with the slider 1. The upper surface of the slider 2 is provided with a spring 2. The screw holes on the top walls of the vertical grooves are threadedly connected with screws. The disc at the lower end of the screw is in contact with the upper end of the spring 2, thereby increasing the expansion and contraction space of the nitrogen spring when the rolling force is too large.
[0011] Furthermore, a protective cover is provided on the upper surface of the workbench to provide protection for the entire device.
[0012] Furthermore, a motor is provided on the top wall of the workbench, the upper end of the output shaft of the motor is fixedly connected to the rotating shaft of the three-jaw chuck, and the input end of the motor is electrically connected to the output end of the PLC controller to provide power for the rotation of the three-jaw chuck.
[0013] Compared with the prior art, the beneficial effects of the utility model are: the small nitrogen spring rolling equipment has the following advantages:
[0014] When in use, fix the workpiece on the three-jaw chuck, start the electric push rod through the PLC controller, and under the elastic support of spring one and spring two, make the large rolling wheel and the small rolling wheel contact the surface of the workpiece and apply pressure to the surface of the workpiece, use the pressure sensor to detect the pressure value of the workpiece, and then start the motor to make the large rolling wheel and the small rolling wheel rotate relative to the workpiece to roll the surface of the workpiece. During the rolling process, when the pressure value of the workpiece is greater than the set value, the pressure applied by the nitrogen spring to the support plate will overcome the elastic force of spring two, so that slider one pushes slider two upward, and slider one moves laterally. By arranging a protective component in the small nitrogen spring rolling equipment, when the rolling pressure on the small workpiece is too large, the retractable space of the nitrogen spring is automatically increased to reduce the pressure applied by the nitrogen spring on the small workpiece, avoid damage to the small workpiece due to excessive rolling pressure, and ensure the processing quality of the nitrogen spring rolling equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 It is a structural schematic diagram of the support plate of the utility model;
[0017] Figure 3 It is a schematic structural diagram of the front cross-section of the pressure mechanism of the utility model.
[0018] In the figure: 1 workbench, 2 support shell, 3 guide rail, 4 slide plate, 5 support plate, 6 large rolling wheel, 7 small rolling wheel, 8 three-jaw chuck, 9 pressure mechanism, 91 electric push rod, 92 pressure sensor, 93 nitrogen spring, 94 transverse groove, 95 spring one, 96 slider one, 97 vertical groove, 98 slider two, 99 spring two, 10 PLC controller, 11 protective cover, 12 screw, 13 motor. DETAILED DESCRIPTION
[0019] 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.
[0020] See also Figure 1-3 , This embodiment provides a technical solution: a small nitrogen spring rolling device, including a workbench 1 and a pressure mechanism 9;
[0021] Workbench 1: Support shells 2 are provided at both ends of its upper surface to provide support for the rolling parts. Guide rails 3 are provided on the upper surfaces of the support shells 2. Slide plates 4 are slidably connected to the upper ends of the guide rails 3 in a transverse manner. Support plates 5 are provided between the upper surfaces of the two slide plates 4 corresponding to the longitudinal positions. The right ends of the support plates 5 on the left are rotatably connected to small rolling wheels 7 through shaft one, and the left ends of the support plates 5 on the right are rotatably connected to large rolling wheels 6 through shaft two. The two support plates 5 are relatively moved by sliding the slide plates 4 on the guide rails 3, and the workpieces are clamped by the small rolling wheels 7 and the large rolling wheels 6. The middle part of the upper surface of the workbench 1 is rotatably connected to the workpiece through shaft three. A three-jaw chuck 8 is connected, and the position of the workpiece is fixed by the three-jaw chuck 8. The workpiece is driven to rotate by the rotation of the three-jaw chuck 8. A PLC controller 10 is provided on the right side of the workbench 1. The input end of the PLC controller 10 is electrically connected to an external power supply to control the start and stop of the entire device. A protective cover 11 is provided on the upper surface of the workbench 1 to protect the rolling parts. A motor 13 is provided on the top wall of the workbench 1. The upper end of the output shaft of the motor 13 is fixedly connected to the rotating shaft of the three-jaw chuck 8. The input end of the motor 13 is electrically connected to the output end of the PLC controller 10 to provide power for the rotation of the three-jaw chuck 8.
[0022] Pressure mechanism 9: respectively arranged on the upper surface of the workbench 1 and inside the support plate 5, the pressure mechanism 9 includes an electric push rod 91 and a nitrogen spring 93, the electric push rod 91 is respectively arranged on the upper surface of the workbench 1, the telescopic end of the electric push rod 91 is provided with a connecting plate, the upper end of the connecting plate is provided with a nitrogen spring 93, the nitrogen spring 93 corresponds to the lateral position of the support plate 5, the input end of the electric push rod 91 is electrically connected to the output end of the PLC controller 10, the electric push rod 91 is started, the telescopic end of the electric push rod 91 is extended and retracted, driving the two nitrogen springs 93 to move relative to each other, and the nitrogen inside the nitrogen spring 93 is contracted to apply a force to the support plate 5, so that the two support plates 5 moves relative to each other to provide pressure for rolling the workpiece. The pressure mechanism 9 also includes a pressure sensor 92, a transverse groove 94, a spring 95 and a slider 96. The transverse grooves 94 are respectively arranged inside the support plate 5. The inside of the transverse grooves 94 is slidably connected with a slider 96. The telescopic ends of the nitrogen spring 93 are respectively inserted into the inside of the transverse grooves 94. A spring 95 is arranged between the telescopic ends of the nitrogen spring 93 and the slider 96. The surface of the slider 96 is provided with a pressure sensor 92. The pressure sensor 92 is located inside the spring 95. The output end of the pressure sensor 92 is electrically connected to the input end of the PLC controller 10. When the large rolling wheel 6 and the small rolling wheel 7 are When in contact with the surface of the workpiece, as the nitrogen spring 93 continues to move, the nitrogen inside the nitrogen spring 93 will contract, overcoming the elastic force of the spring 1 95, pushing the telescopic end of the nitrogen spring 93 to contact the detection end of the pressure sensor 92, and detecting the pressure value of the workpiece through the pressure sensor 92. The pressure mechanism 9 also includes a vertical groove 97, a slider 2 98 and a spring 2 99. The vertical grooves 97 are respectively arranged inside the support plate 5 and connected to the horizontal groove 94. The inside of the vertical grooves 97 is vertically slidably connected with a slider 2 98 installed in cooperation with the slider 1 96. The upper surface of the slider 2 98 is provided with a spring 2 99. Under the elastic force of the spring 2 99, the slider The second 98 applies a force to the slider 1 96 to limit the movement of the slider 1 96. When the pressure applied by the nitrogen spring 93 to the support plate 5 is greater than the set value, the elastic force of the second spring 99 will be overcome, so that the slider 1 96 pushes the slider 2 98 to move upward, and the slider 1 96 moves horizontally to prevent the workpiece from being subjected to excessive rolling pressure. The screw holes on the top wall of the vertical groove 97 are threadedly connected with a screw rod 12, and the disk at the lower end of the screw rod 12 contacts the upper end of the spring second 99. The screw rod 12 is rotated, and the screw rod 12 is threadedly connected to the screw hole on the top wall of the groove 97, so that the disk at the lower end of the screw rod 12 moves downward, causing the spring second 99 to expand and contract, thereby changing the force required for the movement of the slider 2 98.
[0023] The working principle of a small nitrogen spring rolling equipment provided by the utility model is as follows: when in use, a small workpiece is fixed on a three-jaw chuck 8, and an electric push rod 91 is started through a PLC controller 10. The telescopic end of the electric push rod 91 is telescoped, driving two nitrogen springs 93 to move relative to each other, and under the elastic support of spring one 95 and spring two 99, the two support plates 5 are pushed to move relative to each other until the large rolling wheel 6 and the small rolling wheel 7 are in contact with the surface of the small workpiece. At this time, as the nitrogen spring 93 continues to move, the nitrogen inside the nitrogen spring 93 will contract, overcoming the elastic force of the spring one 95, pushing the telescopic end of the nitrogen spring 93 to contact with the detection end of the pressure sensor 92, and when the pressure applied by the nitrogen spring 93 to the support plate 5 is not greater than the set pressure value, under the elastic force of the spring two 99 Under the action, slider 2 98 blocks the movement of slider 1 96. At this time, the pressure applied by the nitrogen spring 93 to the support plate 5 will act on the surface of the small workpiece through the large rolling wheel 6 and the small rolling wheel 7. The pressure value of the workpiece is detected by the pressure sensor 92, and then the motor 13 is started. The output shaft of the motor 13 drives the three-jaw chuck 8 and the small workpiece to rotate, and the large rolling wheel 6 and the small rolling wheel 7 both rotate relative to the small workpiece to roll the surface of the small workpiece. During the rolling process, when the pressure value of the small workpiece is greater than the set value, the pressure applied by the nitrogen spring 93 to the support plate 5 will overcome the elastic force of spring 2 99, so that slider 1 96 pushes slider 2 98 upward, and slider 1 96 moves laterally to avoid excessive rolling pressure on the small workpiece and ensure the rolling effect of the small workpiece.
[0024] It is worth noting that the PLC controller 10 disclosed in the above embodiment can use the NX7 model PLC controller, the electric push rod 91, the pressure sensor 92 and the motor 13 can be freely configured according to the actual application scenario, the electric push rod 91 can use the LAM1 model electric push rod, the pressure sensor 92 can use the DJYL-SX model pressure transmitter, the motor 13 can use the 42BYHJ01 model stepping reduction motor, and the PLC controller 10 controls the operation of the electric push rod 91, the pressure sensor 92 and the motor 13 using methods commonly used in the prior art.
[0025] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.
Claims
1. A small nitrogen spring rolling equipment, characterized in that: It comprises a workbench (1) and a pressure mechanism (9); A workbench (1): a support shell (2) is provided at both left and right ends of its upper surface, a guide rail (3) is provided on the upper surface of the support shell (2), the upper ends of the guide rails (3) are connected to slide plates (4) in a transverse sliding manner, a support plate (5) is provided between the upper surfaces of two slide plates (4) corresponding to the longitudinal positions, the right end of the left support plate (5) is connected to a small rolling wheel (7) by rotation of a first rotating shaft, the left end of the right support plate (5) is connected to a large rolling wheel (6) by rotation of a second rotating shaft, and a three-jaw chuck (8) is connected to the middle of the upper surface of the workbench (1) by rotation of a third rotating shaft; Pressure mechanism (9): respectively arranged on the upper surface of the workbench (1) and inside the support plate (5).
2. A small nitrogen spring rolling device according to claim 1, characterized in that: A PLC controller (10) is provided on the right side of the workbench (1), and an input end of the PLC controller (10) is electrically connected to an external power supply.
3. A small nitrogen spring rolling device according to claim 2, characterized in that: The pressure mechanism (9) comprises an electric push rod (91) and a nitrogen spring (93). The electric push rod (91) is respectively arranged on the upper surface of the workbench (1). The telescopic ends of the electric push rod (91) are respectively provided with connecting plates. The upper ends of the connecting plates are respectively provided with nitrogen springs (93). The nitrogen springs (93) respectively correspond to the lateral positions of the support plates (5). The input end of the electric push rod (91) is electrically connected to the output end of the PLC controller (10).
4. The small nitrogen spring rolling equipment according to claim 3 is characterized in that: The pressure mechanism (9) further comprises a pressure sensor (92), a transverse groove (94), a spring one (95) and a slider one (96); the transverse grooves (94) are respectively arranged inside the support plate (5); the inside of the transverse grooves (94) is slidably connected to the slider one (96); the telescopic ends of the nitrogen spring (93) respectively penetrate into the inside of the transverse grooves (94); a spring one (95) is arranged between the telescopic ends of the nitrogen spring (93) and the slider one (96); a pressure sensor (92) is arranged on the surface of the slider one (96); the pressure sensor (92) is located inside the spring one (95); and the output end of the pressure sensor (92) is electrically connected to the input end of the PLC controller (10).
5. The small nitrogen spring rolling equipment according to claim 4 is characterized in that: The pressure mechanism (9) further comprises a vertical groove (97), a second slider (98) and a second spring (99). The vertical grooves (97) are respectively arranged inside the support plate (5) and are connected to the transverse groove (94). The inside of the vertical grooves (97) is vertically slidably connected with a second slider (98) which is mounted in cooperation with the first slider (96). The upper surface of the second slider (98) is provided with a second spring (99). The screw holes on the top walls of the vertical grooves (97) are threadedly connected with screw rods (12). The disc at the lower end of the screw rod (12) contacts the upper end of the second spring (99).
6. The small nitrogen spring rolling equipment according to claim 1 is characterized in that: The upper surface of the workbench (1) is provided with a protective cover (11).
7. The small nitrogen spring rolling equipment according to claim 2 is characterized in that: A motor (13) is provided on the top wall of the workbench (1), the upper end of the output shaft of the motor (13) is fixedly connected to the rotating shaft of the three-jaw chuck (8), and the input end of the motor (13) is electrically connected to the output end of the PLC controller (10).