A positioning and punching device for automobile plate spring

Abstract

This utility model provides a positioning and punching device for automotive leaf springs, including a hydraulic punching machine and a displacement sensor. U-shaped frames one and two are fixedly installed on both sides of the hydraulic punching machine. A conveyor platform is fixedly installed between the top ends of U-shaped frames one and two. Gantry frames one and two are fixedly installed above the conveyor platform, positioned on both sides of the hydraulic punching machine. The punch of the hydraulic punching machine is located between gantry frames one and two. A displacement sensor is fixedly installed on the hydraulic punching machine via a support base, with the irradiation end of the displacement sensor facing directly below the punch. The overall design of this utility model allows for rapid positioning and adjustment of the automotive leaf spring when punching is required at different locations, making the entire process more convenient, flexible, and efficient.

Description

Technical Field

[0001] This utility model relates to the field of automotive leaf spring punching, and in particular to an automotive leaf spring positioning punching device. Background Technology

[0002] Automotive leaf springs are the most traditional elastic elements in automotive suspension systems, possessing advantages such as high reliability, simple structure, and low cost, playing a vital role in the automotive industry. During the manufacturing process, automotive leaf springs require punching. Automotive leaf spring positioning and punching devices are key equipment in the automotive parts processing field, primarily used for precise positioning and punching operations of leaf springs.

[0003] However, existing automotive leaf spring punching devices are limited in that they cannot quickly locate the punching positions when punching at different locations on the automotive leaf spring.

[0004] Therefore, it is very necessary to invent a positioning punching device for automotive leaf springs. Utility Model Content

[0005] To solve the above-mentioned technical problems, the present invention provides a technical solution for an automotive leaf spring positioning punching device, which includes a hydraulic punching machine and a displacement sensor. Specifically, a U-shaped frame one and a U-shaped frame two are fixedly installed on both sides of the hydraulic punching machine. A conveyor platform is fixedly installed between the top ends of the U-shaped frame one and the U-shaped frame two. A gantry frame one and a gantry frame two are fixedly installed above the conveyor platform. The gantry frame one and the gantry frame two are located on both sides of the hydraulic punching machine. The punch of the hydraulic punching machine is located between the gantry frame one and the gantry frame two. A displacement sensor is fixedly installed on the hydraulic punching machine via a support base, and the irradiation end of the displacement sensor faces directly below the punch.

[0006] A clearance channel is provided running through the conveyor platform from top to bottom, and a linear electric conveying mechanism for conveying automotive leaf springs is fixedly installed on each side inside the clearance channel.

[0007] Each of the U-shaped frame one, U-shaped frame two, gantry frame one and gantry frame two is equipped with a linear electric guide rail;

[0008] An upper lifting mechanism is fixedly installed on the linear electric guide rails of U-shaped frame one and U-shaped frame two respectively;

[0009] The top of the top mechanism is located below the conveyor platform, and the top of the top mechanism can slide through the linear electric conveyor mechanism on both sides of the clearance channel.

[0010] A pressing mechanism is fixedly installed on the linear electric guide rails of gantry frame one and gantry frame two respectively;

[0011] The pressing mechanism is located above the linear electric conveyor mechanism;

[0012] The gantry frame is positioned above the U-shaped frame.

[0013] The second gantry frame is positioned above the second U-shaped frame;

[0014] A control box is fixedly installed on the hydraulic punching machine. The controller inside the control box is electrically connected to the hydraulic punching machine, the linear electric conveying mechanism, the linear electric guide rail, and the displacement sensor.

[0015] The linear electric guide rail includes a motor, a lead screw, and a slide block. The motor is fixedly installed at one end of the corresponding U-shaped frame 1, U-shaped frame 2, gantry frame 1, and gantry frame 2. The output end of the motor rotatably extends into the corresponding U-shaped frame 1, U-shaped frame 2, gantry frame 1, and gantry frame 2. The lead screw is rotatably installed in the corresponding U-shaped frame 1, U-shaped frame 2, gantry frame 1, and gantry frame 2. One end of the lead screw is fixedly connected to the output end of the motor. The lead screw is fitted with a slide block, which meshes with the lead screw. The slide block is slidably connected to the corresponding U-shaped frame 1, U-shaped frame 2, gantry frame 1, and gantry frame 2. The slide block is fixedly connected to the corresponding upper lifting mechanism and lower pressing mechanism.

[0016] The upper lifting mechanism includes an electric push rod and a top plate. The tail end of the electric push rod is fixedly connected to the corresponding slide block, and the output end of the electric push rod is fixedly connected to the top plate. The top plate can slide through the linear electric conveying mechanisms on both sides of the clearance channel.

[0017] The pressing mechanism includes an electric push rod II and a pressure plate. The tail end of the electric push rod II is fixedly connected to the corresponding slide block, and the output end of the electric push rod II is fixedly connected to the pressure plate. The other end of the pressure plate can extend into the clearance channel and is located above the two linear electric conveying mechanisms.

[0018] The linear electric conveyor mechanism uses a roller-type electric conveyor table.

[0019] The displacement sensor used is the Chuangshi Intelligent TS-P series laser triangulation displacement sensor.

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

[0021] The overall design of this utility model allows for quick positioning and adjustment of the automotive leaf spring when punching holes at different locations, making the entire process more convenient, flexible, and efficient. Attached Figure Description

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

[0023] Figure 2 This is a schematic diagram of the automotive leaf spring placement structure of this utility model.

[0024] Figure 3 This is a schematic diagram of the internal structure of gantry frame one and gantry frame two of this utility model.

[0025] Figure 4 This is a partially enlarged structural diagram of point A of this utility model.

[0026] Figure 5 This is a partially enlarged structural diagram of section B of this utility model.

[0027] In the picture:

[0028] 1. Hydraulic punching machine; 2. U-shaped frame one; 3. U-shaped frame two; 4. Conveyor table; 5. Gantry frame one; 6. Gantry frame two; 7. Linear electric conveyor mechanism; 8. Clearance channel; 9. Motor; 10. Lead screw; 11. Slide seat; 12. Electric push rod one; 13. Top plate; 14. Electric push rod two; 15. Pressure plate; 16. Support seat; 17. Displacement sensor; 18. Control box; 19. Automotive leaf spring; 20. Punch. Detailed Implementation

[0029] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0030] In the description of the embodiments, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the present invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In the description of the utility model, it should be noted that unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in the present utility model based on the specific circumstances.

[0031] The present invention will be further described below with reference to the accompanying drawings:

[0032] Example

[0033] Reference Figure 1-5 A positioning punching device for automotive leaf springs includes a hydraulic punching machine 1 and a displacement sensor 17. U-shaped frames 2 and 3 are fixedly installed on both sides of the hydraulic punching machine 1. A conveyor table 4 is fixedly installed between the tops of the U-shaped frames 2 and 3 to ensure the stability of the conveyor table 4. A gantry frame 5 and a gantry frame 6 are fixedly installed above the conveyor table 4 to support the pressing mechanism. To ensure the stability of the pressing mechanism, gantry frame 5 and gantry frame 6 are located on both sides of the hydraulic punching machine 1. The punch 20 of the hydraulic punching machine 1 is located between gantry frame 5 and gantry frame 6. A displacement sensor 17 is fixedly installed on the hydraulic punching machine 1 via a support base 16. The displacement sensor 17 detects the distance that the automotive leaf spring 19 passes under the punch 20, thereby locating the position where the automotive leaf spring 19 needs to be punched. The irradiation end of the displacement sensor 17 faces directly below the punch 20.

[0034] Specifically, a clearance channel 8 is provided through the conveyor 4 from top to bottom. The clearance channel 8 provides a safe space for the punch 20 when punching the car leaf spring 19. A linear electric conveying mechanism 7 for conveying the car leaf spring 19 is fixedly installed on each side inside the clearance channel 8 so that the car leaf spring 19 can be driven by the linear electric conveying mechanism 7 to pass under the punch 20.

[0035] Specifically, each of the U-shaped frame 1 (2), U-shaped frame 2 (3), gantry frame 1 (5), and gantry frame 2 (6) is equipped with a linear electric guide rail. This allows for adjustment of the distance between the upper lifting mechanism, the lower pressing mechanism, and the punch 20 via the linear electric guide rail.

[0036] Specifically, an upper lifting mechanism is fixedly installed on the linear electric guide rails of U-shaped frame 1 2 and U-shaped frame 2 3; the upper lifting mechanism is located below the conveyor table 4, and the top of the upper lifting mechanism can slide through the linear electric conveying mechanism 7 on both sides inside the clearance channel 8; a lower pressing mechanism is fixedly installed on the linear electric guide rails of gantry frame 1 5 and gantry frame 2 6; the lower pressing mechanism is located above the linear electric conveying mechanism 7, so that when the punch 20 punches the automotive leaf spring 19, the upper lifting mechanism and the lower pressing mechanism can fix the automotive leaf spring 19, thereby ensuring the stability of the automotive leaf spring 19 during the punching process;

[0037] Specifically, gantry frame 5 is positioned above U-shaped frame 2; gantry frame 6 is positioned above U-shaped frame 3.

[0038] Specifically, a control box 18 is fixedly installed on the hydraulic punching machine 1. The controller inside the control box 18 is electrically connected to the hydraulic punching machine 1, the linear electric conveying mechanism 7, the linear electric guide rail, and the displacement sensor 17.

[0039] The controller uses a PLC controller;

[0040] The hydraulic punching machine 1, the linear electric conveyor mechanism 7, the motor 9, the electric push rod 12 and the electric push rod 2 14 are electrically connected to the output terminal of the PLC controller;

[0041] The displacement sensor 17 is electrically connected to the input terminal of the PLC controller. When the displacement sensor 17 detects that the punching point of the car leaf spring 19 is below the punch 20, it sends a signal to the PLC controller to stop the linear electric conveyor mechanism 7 from rotating, and at the same time, the upper lifting mechanism and the lower pressing mechanism press and fix the car leaf spring 19.

[0042] Specifically, the linear electric guide rail includes a motor 9, a lead screw 10, and a slide 11. The motor 9 is fixedly installed at one end outside the corresponding U-shaped frame 2, U-shaped frame 3, gantry frame 5, and gantry frame 6. The output end of the motor 9 rotatably extends into the corresponding U-shaped frame 2, U-shaped frame 3, gantry frame 5, and gantry frame 6. The lead screw 10 is rotatably installed in the corresponding U-shaped frame 2, U-shaped frame 3, gantry frame 5, and gantry frame 6. One end of the lead screw 10 is fixedly connected to the output end of the motor 9, and the slide 11 is sleeved on the lead screw 10. 1. The slide block 11 is engaged with the lead screw 10. The slide block 11 is slidably connected to the corresponding U-shaped frame 1 2, U-shaped frame 2 3, gantry frame 1 5 and gantry frame 2 6. The slide block 11 is fixedly connected to the corresponding upper lifting mechanism and lower pressing mechanism. This allows the lead screw 10 to be driven to rotate by the motor 9, so that the slide block 11 can drive the corresponding upper lifting mechanism and lower pressing mechanism to move linearly along the corresponding lead screw 10, thereby adjusting the distance between the upper lifting mechanism and the lower pressing mechanism and the punch 20, thus facilitating the positioning and punching of various automotive leaf springs 19 of different lengths.

[0043] Specifically, the top mechanism includes an electric push rod 12 and a top plate 13. The tail end of the electric push rod 12 is fixedly connected to the corresponding slide 11, and the output end of the electric push rod 12 is fixedly connected to the top plate 13. The top plate 13 can slide through the linear electric conveying mechanism 7 on both sides inside the clearance channel 8 so that the top plate 13 can be driven by the electric push rod 12 to pass through the two linear electric conveying mechanisms 7 and contact the bottom surface of the automotive leaf spring 19.

[0044] The electric linear actuator 12 has a stroke of 10 to 20 centimeters.

[0045] Specifically, the pressing mechanism includes an electric push rod 14 and a pressure plate 15. The tail end of the electric push rod 14 is fixedly connected to the corresponding slide 11, and the output end of the electric push rod 14 is fixedly connected to the pressure plate 15. The other end of the pressure plate 15 can extend into the clearance channel 8 and is located above the two linear electric conveying mechanisms 7, so that the pressure plate 15 can be driven into the clearance channel 8 by the electric push rod 14 to contact the upper surface of the automotive leaf spring 19.

[0046] The electric linear actuator 2.14 has a stroke of 10 cm to 20 cm.

[0047] Specifically, the linear electric conveyor mechanism 7 adopts a roller electric conveyor table to provide more stable support.

[0048] Specifically, displacement sensor 17 uses the Chuangshi Intelligent TS-P series laser triangulation displacement sensor, which features: a sampling frequency of up to 160kHz, diverse measurement ranges (e.g., ±3mm to 2000mm), and high repeatability (e.g., up to 0.01μm). Output interfaces: supports multiple output interfaces such as Ethernet, 485 serial port, and analog signals, but is not limited to this one signal.

[0049] In this embodiment, during use, firstly, the distance between the head end of the car leaf spring 19 and the punching point is calculated. Then, the car leaf spring 19 is placed on the linear electric conveyor 7. The linear electric conveyor 7 drives the car leaf spring 19 to pass under the punch 20. At this time, the displacement sensor 17 calculates the length that the car leaf spring 19 passes under the punch 20, thereby determining whether the punching point of the car leaf spring 19 has reached under the punch 20. After reaching it, the displacement sensor 17 sends a signal to the PLC controller to stop the linear electric conveyor 7 from rotating.

[0050] At this time, the electric push rod 12 drives the top plate 13 to pass between the two linear electric conveying mechanisms 7 and contact the bottom surface of the car leaf spring 19. The electric push rod 14 drives the pressure plate 15 to enter the clearance channel 8 and contact the upper surface of the car leaf spring 19, thereby squeezing and fixing the car leaf spring 19. After fixing, the hydraulic punching machine 1 drives the punch 20 to punch holes in the car leaf spring 19.

[0051] After punching is completed, the top plate 13 and the pressure plate 15 are reset, and the car leaf spring 19 is moved by the linear electric conveyor mechanism 7 to remove the car leaf spring 19 from the conveyor table 4.

[0052] Any technical solution that achieves the above-mentioned technical effects by utilizing the technical solution described in this utility model, or by designing a similar technical solution inspired by the technical solution described in this utility model, falls within the protection scope of this utility model.

Claims

1. A positioning punching device for automotive leaf springs, characterized in that: The device includes a hydraulic punching machine (1) and a displacement sensor (17), wherein: a U-shaped frame one (2) and a U-shaped frame two (3) are fixedly installed on both sides of the hydraulic punching machine (1), a conveyor table (4) is fixedly installed between the top ends of the U-shaped frame one (2) and the U-shaped frame two (3), a gantry frame one (5) and a gantry frame two (6) are fixedly installed above the conveyor table (4), the gantry frame one (5) and the gantry frame two (6) are located on both sides of the hydraulic punching machine (1), the punch (20) of the hydraulic punching machine (1) is located between the gantry frame one (5) and the gantry frame two (6), and a displacement sensor (17) is fixedly installed on the hydraulic punching machine (1) through a support base (16), the irradiation end of the displacement sensor (17) faces directly below the punch (20); A clearance channel (8) is provided through the conveyor (4) from top to bottom. A linear electric conveying mechanism (7) for conveying automotive leaf springs (19) is fixedly installed on both sides inside the clearance channel (8). Each of the U-shaped frame one (2), U-shaped frame two (3), gantry frame one (5) and gantry frame two (6) is equipped with a linear electric guide rail; An upper lifting mechanism is fixedly installed on the linear electric guide rails of the U-shaped frame one (2) and the U-shaped frame two (3); The top mechanism is located below the conveyor platform (4), and the top of the top mechanism can slide through the linear electric conveyor mechanism (7) on both sides inside the clearance channel (8). A pressing mechanism is fixedly installed on the linear electric guide rails of the first gantry (5) and the second gantry (6); The pressing mechanism is positioned above the linear electric conveying mechanism (7); The gantry frame 1 (5) is located above the U-shaped frame 1 (2); The second gantry frame (6) is located above the second U-shaped frame (3); A control box (18) is fixedly installed on the hydraulic punching machine (1). The controller inside the control box (18) is electrically connected to the hydraulic punching machine (1), the linear electric conveying mechanism (7), the linear electric guide rail, and the displacement sensor (17).

2. The automotive leaf spring positioning punching device as described in claim 1, characterized in that: The linear electric guide rail includes a motor (9), a lead screw (10), and a slide (11). The motor (9) is fixedly installed at one end of the U-shaped frame one (2), U-shaped frame two (3), gantry frame one (5), and gantry frame two (6) respectively. The output end of the motor (9) is rotatably inserted into the U-shaped frame one (2), U-shaped frame two (3), gantry frame one (5), and gantry frame two (6) respectively. The lead screw (10) is rotatably installed in the U-shaped frame one (2), U-shaped frame two (3), gantry frame one (5), and gantry frame two (6) respectively. In frame two (3), gantry frame one (5) and gantry frame two (6), one end of the lead screw (10) is fixedly connected to the output end of the motor (9), the lead screw (10) is fitted with a slide (11), the slide (11) is meshed with the lead screw (10), the slide (11) is slidably connected to the corresponding U-shaped frame one (2), U-shaped frame two (3), gantry frame one (5) and gantry frame two (6), and the slide (11) is fixedly connected to the corresponding upper lifting mechanism and lower pressing mechanism.

3. The automotive leaf spring positioning punching device as described in claim 2, characterized in that: The upper lifting mechanism includes an electric push rod (12) and a top plate (13). The tail end of the electric push rod (12) is fixedly connected to the corresponding slide (11), and the output end of the electric push rod (12) is fixedly connected to the top plate (13). The top plate (13) can slide through the linear electric conveying mechanism (7) on both sides inside the clearance channel (8).

4. The automotive leaf spring positioning punching device as described in claim 2, characterized in that: The pressing mechanism includes an electric push rod (14) and a pressure plate (15). The tail end of the electric push rod (14) is fixedly connected to the corresponding slide (11). The output end of the electric push rod (14) is fixedly connected to the pressure plate (15). The other end of the pressure plate (15) can extend into the clearance channel (8) and is located above the two linear electric conveying mechanisms (7).

5. The automotive leaf spring positioning punching device as described in claim 1, characterized in that: The linear electric conveyor mechanism (7) adopts a roller electric conveyor table.

6. The automotive leaf spring positioning punching device as described in claim 1, characterized in that: The displacement sensor (17) is a Crevision Intelligent TS-P series laser triangular displacement sensor.

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