Phosphating clamping device suitable for steel pipes of different diameters

Abstract

This utility model provides a steel pipe phosphate clamping device suitable for different pipe diameters, relating to the field of steel pipe phosphate processing. It includes a mounting frame, with a drive assembly connected to the inner wall of the mounting frame. The drive assembly includes a lead screw that rotates through the top between the two sides inside the mounting frame. A drive motor is fixed to one side of the mounting frame, and a slider is connected to the outer side of the lead screw. A hydraulic cylinder is fixed to the bottom center of the slider, and a connecting plate is fixed to the end of the output shaft of the hydraulic cylinder. Sliding rods are symmetrically fixed to the top of the connecting plate, and a deflection mechanism is connected to the bottom of the connecting plate. A clamping mechanism is connected to the bottom of the deflection mechanism. This application, through the clamping mechanism, clamps the inner wall of the steel pipe, preventing insufficient contact between the outer wall of the steel pipe and the treatment liquid, improving the phosphate effect, preventing quality issues, and facilitating the clamping of steel pipes of different diameters, thus enhancing the applicability of the device.

Description

Technical Field

[0001] This utility model specifically relates to a steel pipe phosphate clamping device suitable for different pipe diameters, belonging to the field of steel pipe phosphate processing technology. Background Technology

[0002] Phosphating is a commonly used pretreatment technique. In principle, it belongs to chemical conversion film treatment and is mainly applied to the phosphating of steel surfaces. The purpose of phosphating is to provide protection for the base metal and prevent the metal from being corroded to a certain extent, thereby making the steel parts more durable and having a longer service life. In order to ensure the service life of steel pipes, steel pipes need to be phosphated.

[0003] Chinese patent CN116288297A discloses a phosphating treatment device for steel pipes, including a main tank. Support plates are fixedly connected to both sides of the top of the main tank, and a top plate is fixedly connected between the tops of the two support plates. A drying component is fixedly connected to one side of each support plate. This application enables the steel pipe to enter the treatment tank by itself for phosphating treatment, improving processing efficiency. Furthermore, after entering the treatment tank, the steel pipe can rotate on its own, allowing for more thorough contact with the treatment liquid in the tank, thereby improving the phosphating effect.

[0004] However, the aforementioned patent causes the clamping plate to come into contact with the outer wall of the steel pipe when clamping the steel pipe. The contact area is not immersed in the treatment solution, which can easily lead to insufficient phosphating at the contact area between the clamping plate and the steel pipe, thus reducing the phosphating quality. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] The purpose of this utility model is to provide a steel pipe phosphate clamping device suitable for different pipe diameters in order to solve the above-mentioned problems. This addresses the issue in the prior art where, when clamping steel pipes, the clamping plate comes into contact with the outer wall of the steel pipe, which can easily lead to insufficient phosphate phosphate at the contact point between the clamping plate and the steel pipe, thus reducing the phosphate phosphate quality.

[0007] (II) Technical Solution

[0008] This utility model is achieved through the following technical solution: a phosphate clamping device for steel pipes of different diameters, comprising a mounting frame, a drive assembly connected to the inner wall of the mounting frame, the drive assembly including a lead screw that rotates through the top between the two sides inside the mounting frame, a drive motor fixed to one side of the mounting frame, a slider connected to the outer side of the lead screw, a hydraulic cylinder fixed to the bottom center of the slider, a connecting plate fixed to the end of the output shaft of the hydraulic cylinder, sliding rods symmetrically fixed to the top of the connecting plate, a first limiting rod fixed to the top between the two sides inside the mounting frame, a deflection mechanism connected to the bottom of the connecting plate, and a clamping mechanism connected to the bottom of the deflection mechanism.

[0009] Preferably, the clamping mechanism includes a mounting plate connected to the bottom of the deflection mechanism. A servo motor is fixed to the center of the bottom of the mounting plate. A screw is fixed to the end of the output shaft of the servo motor. A cross plate is screwed to the outside of the screw. A connecting rod is connected inside the cross plate. Connecting rods are fixed at the four corners of the bottom of the mounting plate. A fixing plate is fixed to the bottom end of the connecting rod. A sliding groove is evenly opened through the top of the fixing plate. A second limiting rod is fixed between the two sides inside the sliding groove. A movable seat slides on the outside of the second limiting rod. A clamping block is fixed to the bottom of the movable seat.

[0010] Preferably, the movable seat slides inside the slide groove, and one end of the connecting rod rotates inside the movable seat, so that the connecting rod and the movable seat are linked, and the movable seat moves when the connecting rod deflects.

[0011] Preferably, the slide rod passes through the top of the slider to limit the movement of the connecting plate, making the movement of the connecting plate more stable, and the top of the slide rod is fixed with an anti-detachment plate to prevent the slide rod from detaching from the slider.

[0012] Preferably, the output shaft end of the drive motor is fixedly connected to one end of the lead screw to facilitate the rotation of the lead screw, and the slider slides outside the first limiting rod to limit the slider.

[0013] Preferably, the deflection mechanism includes a rotating shaft rotatably connected to the bottom center of the connecting plate, a mounting plate fixed to the bottom end of the rotating shaft, a swing rod fixed to the outer side of the rotating shaft, a through groove through the top edge of the swing rod, an L-shaped plate fixed to the top edge of the connecting plate, a rotating motor fixed to the top inner side of the L-shaped plate, a turntable fixed to the end of the output shaft of the rotating motor, and a pressing shaft fixed to the bottom edge of the turntable.

[0014] Preferably, the extrusion shaft is located on the outer wall of the through groove, and the length of the through groove is greater than the deflection circumference diameter of the extrusion shaft to avoid motion interference.

[0015] This utility model provides a phosphate clamping device for steel pipes of different diameters, which has the following beneficial effects:

[0016] 1. This application, through the setting of a clamping mechanism, fits the steel pipe onto the outside of the clamping block. Activating the servo motor drives the screw to rotate, causing the cross plate to descend and the connecting rod to deflect horizontally. This causes the moving seat to slide outside the second limit rod, moving the clamping block so that it presses against the inner wall of the steel pipe, thus clamping the inner wall of the steel pipe. This prevents insufficient contact between the outer wall of the steel pipe and the treatment liquid, improves the phosphating effect, prevents quality issues, and facilitates clamping of steel pipes of different diameters, enhancing the applicability of the device.

[0017] 2. This application, through the setting of the deflection mechanism, drives the turntable to rotate by starting the rotating motor, causing the extrusion shaft to deflect, thereby causing the extrusion shaft to extrude against the side wall of the through groove, causing the swing rod to deflect back and forth, thereby causing the rotating shaft to deflect back and forth, driving the clamping mechanism to deflect back and forth, thereby causing the clamped steel pipe to deflect back and forth, so that the steel pipe is in full contact with the treatment liquid, improving the phosphate quality of the steel pipe. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the drive component structure of this utility model;

[0020] Figure 3 This is an enlarged view of the clamping mechanism structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the installation structure of the second limiting rod of this utility model;

[0022] Figure 5 This is a schematic diagram of the deflection mechanism of this utility model.

[0023] [Explanation of Key Component Symbols]

[0024] 1. Mounting bracket;

[0025] 2. Drive assembly; 201. Lead screw; 202. Drive motor; 203. Slider; 204. Hydraulic cylinder; 205. Connecting plate; 206. Slide rod; 207. First limit rod;

[0026] 3. Clamping mechanism; 301. Mounting plate; 302. Servo motor; 303. Screw; 304. Cross plate; 305. Connecting rod; 306. Connecting rod; 307. Fixing plate; 308. Slide groove; 309. Second limit rod; 310. Moving seat; 311. Clamping block;

[0027] 4. Deflection mechanism; 401. Rotating shaft; 402. Swing rod; 403. Through slot; 404. L-shaped plate; 405. Rotating motor; 406. Turntable; 407. Extrusion shaft. Detailed Implementation

[0028] This utility model provides a steel pipe phosphate clamping device suitable for different pipe diameters.

[0029] Please see Figure 1 and Figure 2 The system includes a mounting frame 1, with a drive assembly 2 connected to the inner wall of the mounting frame 1. The drive assembly 2 includes a lead screw 201 that rotates through the top between the two sides inside the mounting frame 1. A drive motor 202 is fixed to one side of the mounting frame 1. A slider 203 is connected to the outer side of the lead screw 201. A hydraulic cylinder 204 is fixed to the bottom center of the slider 203. A connecting plate 205 is fixed to the end of the output shaft of the hydraulic cylinder 204. Sliding rods 206 are symmetrically fixed to the top of the connecting plate 205. A first limiting rod 207 is fixed to the top between the two sides inside the mounting frame 1. A deflection mechanism 4 is connected to the bottom of the connecting plate 205. A clamping mechanism 3 is connected to the bottom of the deflection mechanism 4. The sliding rod 206 passes through the top of the slider 203, and an anti-detachment plate is fixed to the top of the sliding rod 206. The end of the output shaft of the drive motor 202 is fixedly connected to one end of the lead screw 201. The slider 203 slides outside the first limiting rod 207.

[0030] Please refer to it again. Figure 3 and Figure 4The clamping mechanism 3 includes a mounting plate 301 connected to the bottom of the deflection mechanism 4. A servo motor 302 is fixed to the center of the bottom of the mounting plate 301. A screw 303 is fixed to the end of the output shaft of the servo motor 302. A cross plate 304 is screwed to the outside of the screw 303. A connecting rod 305 is connected inside the cross plate 304. Connecting rods 306 are fixed at the four corners of the bottom of the mounting plate 301. A fixing plate 307 is fixed to the bottom end of the connecting rod 306. A sliding groove 308 is evenly opened through the top of the fixing plate 307. A second limiting rod 309 is fixed between the two sides inside the sliding groove 308. A movable seat 310 slides on the outside of the second limiting rod 309. A clamping block 311 is fixed to the bottom of the movable seat 310. The movable seat 310 slides inside the slide groove 308, and one end of the connecting rod 305 rotates inside the movable seat 310. Through the setting of the clamping mechanism 3, the steel pipe is sleeved on the outside of the clamping block 311. The servo motor 302 is started, which drives the screw 303 to rotate, causing the cross plate 304 to descend and drive the connecting rod 305 to deflect in the horizontal direction. This causes the movable seat 310 to slide outside the second limit rod 309, causing the clamping block 311 to move. This makes the clamping block 311 press against the inner wall of the steel pipe, thereby clamping the inner wall of the steel pipe, preventing insufficient contact between the outer wall of the steel pipe and the treatment liquid, improving the phosphating effect, preventing quality issues, and facilitating the clamping of steel pipes of different diameters, thus improving the applicability of the device.

[0031] Please refer to it again. Figure 5 The deflection mechanism 4 includes a rotating shaft 401 rotatably connected to the bottom center of the connecting plate 205, a mounting plate 301 fixed to the bottom end of the rotating shaft 401, a swing rod 402 fixed to the outer side of the rotating shaft 401, a through groove 403 extending through the top edge of the swing rod 402, an L-shaped plate 404 fixed to the top edge of the connecting plate 205, a rotating motor 405 fixed to the top inner side of the L-shaped plate 404, a turntable 406 fixed to the end of the output shaft of the rotating motor 405, and a pressing shaft 407 fixed to the bottom edge of the turntable 406; the pressing shaft 407 is located on the outer wall of the through groove 403, and the length of the through groove 403 is greater than the deflection circumference diameter of the extrusion shaft 407. Through the setting of the deflection mechanism 4, by starting the rotating motor 405, the turntable 406 is driven to rotate, causing the extrusion shaft 407 to deflect. This causes the extrusion shaft 407 to extrude against the side wall of the through groove 403, causing the swing rod 402 to deflect back and forth, which in turn causes the rotating shaft 401 to deflect back and forth, driving the clamping mechanism 3 to deflect back and forth, thus causing the clamped steel pipe to deflect back and forth, so that the steel pipe is in full contact with the treatment liquid, thereby improving the phosphate treatment quality of the steel pipe.

[0032] When using this utility model:

[0033] Working principle: The steel pipe is sleeved on the outside of the clamping block 311. The servo motor 302 is started, driving the screw 303 to rotate, causing the cross plate 304 to descend, driving the connecting rod 305 to deflect horizontally, thereby causing the moving seat 310 to slide outside the second limit rod 309, causing the clamping block 311 to move, thus making the clamping block 311 press against the inner wall of the steel pipe, thereby clamping the inner wall of the steel pipe. Then, the hydraulic cylinder 204 is started, driving the connecting plate 205 to descend, causing the clamping mechanism 3 to descend, so that the steel pipe is in the treatment liquid. The rotating motor 405 is started, driving the turntable 406 to rotate, causing the extrusion shaft 407 to deflect, thereby causing the extrusion shaft 407 to extrude against the side wall of the through groove 403, causing the swing rod 402 to deflect back and forth, thereby causing the rotating shaft 401 to deflect back and forth, driving the clamping mechanism 3 to deflect back and forth, thereby causing the clamped steel pipe to deflect back and forth, so that the steel pipe is in full contact with the treatment liquid, improving the phosphating effect.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A phosphate clamping device for steel pipes of different diameters, comprising a mounting frame (1), wherein a drive assembly (2) is connected to the inner wall of the mounting frame (1), the drive assembly (2) includes a lead screw (201) that rotates through the top between the two sides inside the mounting frame (1), a drive motor (202) is fixed to one side of the mounting frame (1), a slider (203) is connected to the outer side of the lead screw (201), a hydraulic cylinder (204) is fixed to the bottom center of the slider (203), a connecting plate (205) is fixed to the end of the output shaft of the hydraulic cylinder (204), a sliding rod (206) is symmetrically fixed to the top of the connecting plate (205), and a first limiting rod (207) is fixed to the top between the two sides inside the mounting frame (1), characterized in that: The bottom of the connecting plate (205) is connected to a deflection mechanism (4), and the bottom of the deflection mechanism (4) is connected to a clamping mechanism (3).

2. The phosphate clamping device for steel pipes of different diameters according to claim 1, characterized in that: The clamping mechanism (3) includes a mounting plate (301) connected to the bottom of the deflection mechanism (4). A servo motor (302) is fixed in the middle of the bottom of the mounting plate (301). A screw (303) is fixed at the end of the output shaft of the servo motor (302). A cross plate (304) is screwed to the outside of the screw (303). A connecting rod (305) is connected inside the cross plate (304). A connecting rod (306) is fixed at the four corners of the bottom of the mounting plate (301). A fixing plate (307) is fixed at the bottom end of the connecting rod (306). A sliding groove (308) is evenly opened through the top of the fixing plate (307). A second limiting rod (309) is fixed between the two sides inside the sliding groove (308). A movable seat (310) slides on the outside of the second limiting rod (309). A clamping block (311) is fixed at the bottom of the movable seat (310).

3. The phosphate clamping device for steel pipes of different diameters according to claim 2, characterized in that: The movable seat (310) slides inside the groove (308), and one end of the connecting rod (305) rotates inside the movable seat (310).

4. The phosphate clamping device for steel pipes of different diameters according to claim 1, characterized in that: The slide bar (206) passes through the top of the slider (203), and an anti-detachment plate is fixed to the top of the slide bar (206).

5. The phosphate clamping device for steel pipes of different diameters according to claim 1, characterized in that: The output shaft end of the drive motor (202) is fixedly connected to one end of the lead screw (201), and the slider (203) slides on the outside of the first limiting rod (207).

6. The phosphate clamping device for steel pipes of different diameters according to claim 2, characterized in that: The deflection mechanism (4) includes a rotating shaft (401) rotatably connected to the bottom center of the connecting plate (205), the mounting plate (301) is fixed to the bottom end of the rotating shaft (401), a swing rod (402) is fixed to the outside of the rotating shaft (401), a through groove (403) is provided through the top edge of the swing rod (402), an L-shaped plate (404) is fixed to the top edge of the connecting plate (205), a rotating motor (405) is fixed to the top of the inner side of the L-shaped plate (404), a turntable (406) is fixed to the end of the output shaft of the rotating motor (405), and a pressing shaft (407) is fixed to the bottom edge of the turntable (406).

7. The phosphate clamping device for steel pipes of different diameters according to claim 6, characterized in that: The extrusion shaft (407) is located on the outer wall of the through groove (403), and the length of the through groove (403) is greater than the deflection circumference diameter of the extrusion shaft (407).

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