Modular positioning fixture for intelligent positioning and welding distortion control

Abstract

The utility model discloses a kind of modular positioning fixture for intelligent positioning and welding deformation control, it is related to counterforce pedestal welding technical field, including fixed plate and adjusting assembly, the both ends of fixed plate are connected with positioning assembly, the middle part of fixed plate is set to adjusting assembly, the adjusting assembly includes servo motor, screw rod, adjusting seat, light pole and laser ranging sensor, one end of fixed plate is connected with servo motor, and the output shaft of servo motor is connected with screw rod.The modular positioning fixture for intelligent positioning and welding deformation control is set through adjusting assembly, in the process of being butt-jointed to seamless steel tube and bottom of table top, by rotating screw rod, table top can be clamped between antiskid board and positioning frame, so as to position fixed plate, then start servo motor, make it drive screw rod rotation can make adjusting seat slide along light pole axial direction, so that the position of lower seamless steel tube is fine-tuned.

Description

Technical Field

[0001] This utility model relates to the field of reaction platform welding technology, specifically a modular positioning fixture for intelligent positioning and welding deformation control. Background Technology

[0002] Reaction platforms are essential facilities for conducting tests on various structural materials, components, and systems. They can withstand the loads generated during the test, ensuring the stability and safety of the tested structure. Reaction platforms are commonly used for static and pseudo-dynamic tests on civil engineering structures.

[0003] As structures used in structural mechanics research and analysis, reaction walls and reaction platforms require high precision in the processing and installation of their embedded parts, and they bear large loads. However, in the traditional construction and welding process, the installation error between the embedded parts and adjacent loading holes is prone to exceed ±2mm, resulting in insufficient positioning accuracy, which leads to deviations in test data and affects the accuracy of the test. Utility Model Content

[0004] The purpose of this invention is to provide a modular positioning fixture for intelligent positioning and welding deformation control, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a modular positioning fixture for intelligent positioning and welding deformation control, comprising a fixed plate and an adjustment assembly. The fixed plate is connected to both ends of the positioning assembly, and the adjustment assembly is disposed in the middle of the fixed plate. The adjustment assembly includes a servo motor, a lead screw, an adjustment seat, a light rod, and a laser ranging sensor. One end of the fixed plate is connected to the servo motor, and the output shaft of the servo motor is connected to the lead screw. An adjustment seat is disposed on the outer side of the lead screw, and a light rod is slidably connected to the center of the adjustment seat. A laser ranging sensor is fixed on one side of the adjustment seat.

[0006] Furthermore, the optical rod is fixedly connected to the fixed plate, and the lead screw is rotatably connected to the fixed plate.

[0007] Furthermore, the positioning component includes a positioning frame and a nut, the positioning frame is fixed to the end of the fixing plate, and the nut is welded to the inside of the upper end of the positioning frame.

[0008] Furthermore, the positioning assembly also includes a screw and an anti-slip plate, the screw is internally threaded to the nut, and the anti-slip plate is rotatably connected to the bottom of the screw.

[0009] Furthermore, stabilizing plates are installed at both ends of the fixing plate, and the stabilizing plates are fixedly connected to the positioning frame.

[0010] Furthermore, a clamping assembly is disposed at the lower part of the adjusting seat. The clamping assembly includes an electric push rod and a slide. An electric push rod is fixed to one side of the lower part of the adjusting seat, and the end of the electric push rod is connected to the slide.

[0011] Furthermore, the clamping assembly also includes a connecting rod, a clamping plate, and a limiting frame. The end of the slide is rotatably connected to the connecting rod, the end of the connecting rod is rotatably connected to the clamping plate, and the end of the clamping plate is rotatably connected to the limiting frame.

[0012] Furthermore, the limiting frame is fixedly connected to the adjusting seat, and the limiting frame is slidably connected to the sliding seat.

[0013] This utility model provides a modular positioning fixture for intelligent positioning and welding deformation control, which has the following advantages:

[0014] 1. This utility model, through the setting of the adjustment component, allows the tabletop to be clamped between the anti-slip plate and the positioning frame by rotating the screw during the docking process between the seamless steel pipe and the bottom of the tabletop, thereby positioning the fixing plate. Then, the servo motor is started, which drives the lead screw to rotate, allowing the adjustment seat to slide along the axis of the light rod, thereby fine-tuning the position of the seamless steel pipe below. The adjustment distance can be easily controlled by the laser range sensor. Therefore, it can avoid the misalignment between the seamless steel pipe and the loading hole of the tabletop before welding, thereby improving the accuracy of the welding process. Furthermore, a piezoelectric ceramic sheet can be pre-embedded at the end of the loading hole to compensate for welding deformation in real time through the electrostriction effect, ensuring the flatness of the tabletop.

[0015] 2. By setting up a clamping assembly, this utility model allows for the clamping of seamless steel pipes. Simply place the pipe between the clamping plates and then activate the electric push rod. This causes the slide block to push the clamping plates through the connecting rod, rotating them around the end of the limiting frame to clamp the seamless steel pipe in the center. The multiple clamping plates enhance the stability after clamping and improve welding accuracy. After welding, when the electric push rod retracts, the clamping plates will also expand outward to avoid obstructing the seamless steel pipe, allowing it to move to the next position for welding. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a modular positioning fixture for intelligent positioning and welding deformation control according to the present invention;

[0017] Figure 2 This is a schematic diagram of the structure of a modular positioning fixture for intelligent positioning and welding deformation control according to the present invention;

[0018] Figure 3 This is a schematic diagram of the structure of a modular positioning fixture for intelligent positioning and welding deformation control according to the present invention.

[0019] In the diagram: 1. Fixing plate; 2. Positioning assembly; 201. Positioning frame; 202. Nut; 203. Screw; 204. Anti-slip plate; 3. Stabilizing plate; 4. Adjustment assembly; 401. Servo motor; 402. Lead screw; 403. Adjustment seat; 404. Light rod; 405. Laser rangefinder sensor; 5. Clamping assembly; 501. Electric push rod; 502. Slide seat; 503. Connecting rod; 504. Clamping plate; 505. Limiting frame. Detailed Implementation

[0020] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0021] like Figure 1 and Figure 2 As shown, a modular positioning fixture for intelligent positioning and welding deformation control includes a fixed plate 1 and an adjusting assembly 4. Positioning assemblies 2 are connected to both ends of the fixed plate 1. The positioning assembly 2 includes a positioning frame 201 and a nut 202. The positioning frame 201 is fixed to one end of the fixed plate 1, and the nut 202 is welded to the upper end of the positioning frame 201. The positioning assembly 2 also includes a screw 203 and an anti-slip plate 204. The screw 203 is threadedly connected to the inside of the nut 202, and the anti-slip plate 204 is rotatably connected to the bottom of the screw 203. By rotating the screw 203, the table surface can be clamped between the anti-slip plate 204 and the positioning frame 201, thereby positioning the fixed plate 1. Stabilizing plates 3 are placed at both ends of the fixed plate 1, and the stabilizing plates 3 are fixedly connected to the positioning frame 201. The stabilizing plates 3 improve the connection strength between the fixed plate 1 and the positioning frame 201. The adjusting assembly 4 is located in the middle of the fixed plate 1. The adjustment assembly 4 includes a servo motor 401, a lead screw 402, an adjustment seat 403, a guide rod 404, and a laser rangefinder 405. One end of the fixed plate 1 is connected to the servo motor 401, and the output shaft of the servo motor 401 is connected to the lead screw 402. The adjustment seat 403 is placed on the outside of the lead screw 402, and the guide rod 404 is slidably connected to the center of the adjustment seat 403. The guide rod 404 is fixedly connected to the fixed plate 1, and the lead screw 402 is rotatably connected to the fixed plate 1. When the servo motor 401 drives the lead screw 402 to rotate, the adjustment seat 403 can slide along the axial direction of the guide rod 404, thereby fine-tuning the position of the seamless steel pipe below. This prevents the seamless steel pipe from shifting between itself and the loading hole on the table before welding, thus improving the accuracy of the welding process. A laser rangefinder 405 is fixed on one side of the adjustment seat 403, which facilitates the control of the adjustment distance.

[0022] like Figure 2 and Figure 3As shown, a clamping assembly 5 is installed at the lower part of the adjusting seat 403. The clamping assembly 5 includes an electric push rod 501 and a slide 502. The electric push rod 501 is fixed on one side of the lower part of the adjusting seat 403, and the end of the electric push rod 501 is connected to the slide 502. The clamping assembly 5 also includes a connecting rod 503, a clamping plate 504, and a limiting frame 505. The end of the slide 502 is rotatably connected to the connecting rod 503, and the end of the connecting rod 503 is rotatably connected to the clamping plate 504. The end of the clamping plate 504 is rotatably connected to the limiting frame 505. The limiting frame 505 is fixedly connected to the adjusting seat 403, and the limiting frame 505 is slidably connected to the slide 502. When clamping the seamless steel pipe, simply place it between the clamping plates 504 and then start the electric push rod 501, so that the slide 502 pushes the clamping plate 504 through the connecting rod 503, rotating it around the end of the limiting frame 505 to clamp the seamless steel pipe in the center.

[0023] In summary, this modular positioning fixture for intelligent positioning and welding deformation control, when used, firstly according to... Figure 1 , Figure 2 and Figure 3 The structure shown first involves fitting the positioning frame 201 onto the side of the reaction platform, ensuring its inner side aligns with the platform side. Then, by rotating the screw 203, the anti-slip plate 204 and the positioning frame 201 clamp the platform under the action of the nut 202, thus positioning the fixed plate 1. Next, the seamless steel pipe is placed between the clamping plates 504. Then, the electric push rod 501 is activated, causing the slide 502 to push the clamping plates 504 via the connecting rod 503, rotating them around the end of the limiting frame 505 to centrally clamp the seamless steel pipe. Multiple clamping plates 504 enhance the stability after clamping. Finally, the servo motor 401 is activated. This causes the lead screw 402 to rotate, which in turn causes the adjusting seat 403 to slide along the axial direction of the guide rod 404, thereby fine-tuning the position of the seamless steel pipe below. The adjustment distance can be easily controlled by the laser range sensor 405. Therefore, it can prevent the seamless steel pipe from shifting between itself and the loading hole on the table before welding, thus improving the accuracy of the welding process. Furthermore, a piezoelectric ceramic sheet can be pre-embedded at the end of the loading hole to compensate for welding deformation in real time through electrostriction, ensuring the flatness of the table. Finally, after welding, when the electric push rod 501 retracts, the clamping plate 504 will similarly unfold outward to avoid the seamless steel pipe, so that it can move to the next position for welding.

[0024] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A modular positioning fixture for intelligent positioning and welding deformation control, comprising a fixing plate (1) and an adjustment assembly (4), characterized in that, The fixed plate (1) is connected to positioning components (2) at both ends. The adjustment component (4) is located in the middle of the fixed plate (1). The adjustment component (4) includes a servo motor (401), a lead screw (402), an adjustment seat (403), a light rod (404), and a laser range sensor (405). The fixed plate (1) is connected to a servo motor (401) at one end, and the output shaft of the servo motor (401) is connected to the lead screw (402). The adjustment seat (403) is placed on the outside of the lead screw (402), and the light rod (404) is slidably connected to the center of the adjustment seat (403). The laser range sensor (405) is fixed on one side of the adjustment seat (403).

2. A modular positioning fixture for intelligent positioning and welding deformation control according to claim 1, characterized in that, The light rod (404) is fixedly connected to the fixed plate (1), and the lead rod (402) is rotatably connected to the fixed plate (1).

3. A modular positioning fixture for intelligent positioning and welding deformation control according to claim 1, characterized in that, The positioning component (2) includes a positioning frame (201) and a nut (202). The positioning frame (201) is fixed at the end of the fixing plate (1), and the nut (202) is welded inside the upper end of the positioning frame (201).

4. A modular positioning fixture for intelligent positioning and welding deformation control according to claim 3, characterized in that, The positioning component (2) also includes a screw (203) and an anti-slip plate (204). The screw (203) is internally threaded to the nut (202), and the anti-slip plate (204) is rotatably connected to the bottom of the screw (203).

5. A modular positioning fixture for intelligent positioning and welding deformation control according to claim 3, characterized in that, The fixed plate (1) has stabilizing plates (3) at both ends, and the stabilizing plates (3) are fixedly connected to the positioning frame (201).

6. A modular positioning fixture for intelligent positioning and welding deformation control according to claim 1, characterized in that, The lower part of the adjusting seat (403) is provided with a clamping assembly (5), which includes an electric push rod (501) and a slide (502). The electric push rod (501) is fixed on one side of the lower part of the adjusting seat (403), and the end of the electric push rod (501) is connected to the slide (502).

7. A modular positioning fixture for intelligent positioning and welding deformation control according to claim 6, characterized in that, The clamping assembly (5) further includes a connecting rod (503), a clamping plate (504), and a limiting frame (505). The end of the slide (502) is rotatably connected to the connecting rod (503), and the end of the connecting rod (503) is rotatably connected to the clamping plate (504). The end of the clamping plate (504) is rotatably connected to the limiting frame (505).

8. A modular positioning fixture for intelligent positioning and welding deformation control according to claim 7, characterized in that, The limiting frame (505) is fixedly connected to the adjusting seat (403), and the limiting frame (505) is slidably connected to the slide (502).

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