Metal composite pipe distance positioning device

Abstract

The application discloses a metal composite pipe distance positioning device, and relates to the technical field of non-ferrous metal composite pipe manufacturing, which comprises a conveying assembly, a bearing seat, a top protection shell installed on the surface of the bearing seat, a distance frame arranged on one side of a limiting block and fixed to the inner wall of the bearing seat, and an auxiliary assembly arranged on the inner wall of the conveying assembly and comprising a positioning piece movably connected to the inner wall of the bearing seat. Through the cooperative design of the conveying assembly and the auxiliary assembly, the application solves the defects of the existing metal composite pipe distance positioning device, such as poor controllability of positioning precision, poor process response timeliness and low production quality stability, and discards the control mode of providing only basic positioning and distance operation and relying on secondary detection of finished products to confirm accuracy. The application can perform pretreatment and warning operation on the problem of inaccurate positioning and distance caused by various causes during pipe conveying, and the positioning deviation can be found in time at the front end of the process.

Description

Technical Field

[0001] This invention relates to the field of non-ferrous metal composite pipe manufacturing technology, and in particular to a metal composite pipe spacing and positioning device. Background Technology

[0002] In scenarios such as zirconium-titanium explosion-sealed composite plate coiled pipe straight seam welding assembly positioning, non-ferrous metal composite pipe butt assembly distance calibration, composite pipe fixed length cutting precise positioning, and batch processing and clamping positioning of multi-specification composite pipes, metal composite pipe distance positioning devices are often required to control the distance dimension accuracy, pipe end centering accuracy, adaptability to different pipe diameters and wall thicknesses, positioning and clamping stability, welding alignment consistency, ease of operation and adjustment, and structural wear resistance and durability.

[0003] Existing metal composite tube positioning devices have significant shortcomings in terms of positioning accuracy control effectiveness, process response timeliness, and production quality stability. During the positioning and conveying process of metal composite tube processing, they typically only provide basic positioning and distance measurement. Subsequent accuracy checks rely heavily on secondary inspections of finished products. They cannot pre-process or provide warnings for positioning inaccuracies caused by various factors during transportation. This not only leads to positioning deviations not being detected in time at the beginning of the process, easily resulting in batches of finished products with out-of-tolerance positioning dimensions, directly affecting the processing accuracy and subsequent assembly compatibility of metal composite tubes, but also causes a significant waste of raw materials and processing time because deviations are only discovered afterward due to a large number of defective products. Furthermore, the lack of real-time intervention during transportation prevents timely correction of deviations in their early stages, further expanding the impact of quality anomalies and making it difficult to meet the demands of high-precision, high-yield continuous processing production of metal composite tubes. Summary of the Invention

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the invention.

[0005] In view of the problems existing in the above and / or existing metal composite pipe positioning devices, the present invention is proposed.

[0006] Therefore, the problem that this invention aims to solve is that the precision detection of existing equipment is mostly performed on the finished products, which makes it impossible to simultaneously correct deviations and provide early warnings during the working process.

[0007] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a metal composite pipe positioning device, comprising: a transport component including a carrier base, the surface of which is equipped with a top protective shell; a positioning frame disposed on one side of a limiting block and fixed to the inner wall of the carrier base; an auxiliary component disposed on the inner wall of the transport component, including a positioning member movably connected to the inner wall of the carrier base, a first pneumatic drive member disposed on one side of the positioning member, the first pneumatic drive member being fixed to the top of the carrier base; a second pneumatic drive member disposed on the inner wall of the carrier base; a warning member installed on the surface of the carrier base; and a pretreatment member fixed to the top of the positioning frame.

[0008] In a preferred embodiment of the metal composite pipe positioning device of the present invention, a limiting block is fixed to the inner wall of the bearing seat, and the limiting block is attached to one side of the positioning frame.

[0009] As a preferred embodiment of the metal composite pipe positioning device of the present invention, the positioning component includes a positioning plate movably connected to the inner wall of the bearing seat, and a drive shaft and a drive gear are fixed on the top of the positioning plate and sleeved on the surface of the drive shaft.

[0010] As a preferred embodiment of the metal composite tube positioning device of the present invention, the positioning component further includes a shaped rack disposed on one side of the drive gear, a connecting block, and a fixed surface of the shaped rack.

[0011] As a preferred embodiment of the metal composite pipe positioning device of the present invention, the positioning component further includes a support bearing sleeved on the surface of the drive shaft, and the support bearing is fixed to the inner wall of the bearing seat.

[0012] As a preferred embodiment of the metal composite pipe positioning device of the present invention, the first air drive component includes an air storage shell disposed on the top of the bearing seat, a support shaft is fixed on one side of the air storage shell, and a support sleeve is sleeved on the surface of the support shaft and fixed to the top of the bearing seat.

[0013] As a preferred embodiment of the metal composite pipe positioning device of the present invention, the first air drive component further includes a first piston movably connected to the inner wall of the air storage shell, a first piston rod fixed to one side of the first piston, the first piston rod fixed to one side of the positioning component, a limiting ring sleeved on the surface of the first piston rod, and a one-way air supply valve installed on one side of the air storage shell.

[0014] As a preferred embodiment of the metal composite pipe positioning device of the present invention, the second air drive component includes an elastic airbag seat embedded in the inner wall of the positioning frame. A first one-way air supply pipe is fixed on one side of the elastic airbag seat. The first one-way air supply pipe is fixed to the bottom of the first air drive component, connects to the horizontal pipe, and is disposed on the top of the bearing seat. A second one-way air supply pipe is fixed to one side of the elastic airbag seat and the side of the connecting horizontal pipe, respectively. A third one-way air supply pipe is fixed to one side of the connecting horizontal pipe and installed on the top of the warning component.

[0015] As a preferred embodiment of the metal composite pipe positioning device of the present invention, the warning component includes: an air storage pipe installed on the surface of the bearing seat, a timed exhaust valve fixed on one side of the air storage pipe, a second piston slidably connected to the inner wall of the air storage pipe, a first spring fixed to the inner wall of the air storage pipe and one side of the second piston, a second piston rod installed on one side of the second piston, a warning sign seat fixed to one side of the second piston rod, a first electrode plate fixed to one side of the warning sign seat, an energizing component slidably connected to the inner wall of the air storage pipe, a second electrode plate fixed to one side of the energizing component, and a second spring sleeved on the surface of the energizing component.

[0016] As a preferred embodiment of the metal composite pipe positioning device of the present invention, the pretreatment component includes a flat pressure plate slidably connected to the inner wall of the positioning frame, a micro electric push rod fixed to the top of the flat pressure plate, a fixing sleeve sleeved on the surface of the micro electric push rod, and the fixing sleeve sleeve fixed to the top of the bearing seat.

[0017] The beneficial effects of this invention are as follows: By coordinating the design of transportation components and auxiliary components, it solves the defects of existing metal composite pipe positioning devices, such as insufficient effectiveness in controlling positioning accuracy, poor timeliness of process response, and low stability of production quality. It abandons the control mode that only provides basic positioning and distance measurement operations and relies on secondary inspection of finished products to confirm accuracy. It can pre-process and warn against positioning and distance measurement inaccuracies caused by various factors during pipe transportation, detect positioning deviations in a timely manner at the front end of the process, avoid quality problems such as out-of-tolerance distance dimensions of batch finished products, ensure the processing accuracy of metal composite pipes and their compatibility with subsequent assembly, and correct deviations in a timely manner in the early stage of deviation through real-time intervention during transportation, reduce the impact range of quality abnormalities, and adapt to the continuous processing and production needs of high-precision and high-yield metal composite pipes. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a partial structural diagram of a metal composite pipe positioning device.

[0020] Figure 2 This is a structural diagram of a metal composite pipe positioning device.

[0021] Figure 3 This is another perspective view of the metal composite pipe positioning device.

[0022] Figure 4 This is a cross-sectional view of the pneumatic drive component of a metal composite pipe positioning device.

[0023] Figure 5 For metal composite pipe positioning device Figure 3 A magnified view of A in the middle.

[0024] Figure 6 This is a structural diagram of the warning component of a metal composite pipe positioning device.

[0025] In the diagram: 1. Transport component; 11. Bearing seat; 12. Top protective shell; 13. Limiting block; 14. Spacing frame; 2. Auxiliary component; 21. Positioning element; 211. Positioning plate; 212. Drive shaft; 213. Support bearing; 214. Drive gear; 215. Irregular rack; 216. Connecting support block; 22. First pneumatic drive component; 221. Air storage shell; 222. Support shaft; 223. One-way air supply valve; 224. First piston rod; 225. First piston; 226. Limiting ring; 227. Support sleeve; 23. Second pneumatic drive component; 231. 232. Elastic airbag seat; 233. Second one-way air supply pipe; 234. Connecting horizontal pipe; 235. Third one-way air supply pipe; 236. First one-way air supply pipe; 24. Warning component; 247. Air storage pipe; 248. Timed exhaust valve; 249. First spring; 240. Second piston; 241. Second piston rod; 242. Warning sign seat; 243. First electrode plate; 244. Second electrode plate; 245. Electrically connected component; 246. Second spring; 247. Pre-treatment component; 258. Flat pressure plate; 259. Fixing bracket; 250. Miniature electric push rod. Detailed Implementation

[0026] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0027] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0028] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0029] Example 1, referring to Figure 1 and Figure 2 This is the first embodiment of the present invention. This embodiment provides a metal composite pipe positioning device, which includes a transport component 1 and an auxiliary component 2.

[0030] By coordinating the design of transport component 1 and auxiliary component 2, the shortcomings of existing metal composite pipe positioning devices, such as insufficient effectiveness in controlling positioning accuracy, poor timeliness of process response, and low stability of production quality, are addressed. The design abandons the control mode that only provides basic positioning and distance measurement operations and relies on secondary inspection of finished products to confirm accuracy. Instead, it can pre-process and provide warnings for positioning and distance inaccuracies caused by various factors during pipe transportation. Positioning deviations can be detected in a timely manner at the front end of the process, avoiding quality problems such as out-of-tolerance distance dimensions in batch finished products. This ensures the processing accuracy of metal composite pipes and their compatibility with subsequent assembly. Real-time intervention during transportation allows for timely correction of deviations in their early stages, reducing the impact of quality anomalies and meeting the needs of continuous processing and production of high-precision, high-yield metal composite pipes.

[0031] Specifically, the transport component 1 includes a carrier 11, on the surface of which a top protective shell 12 is mounted, and a spacer 14 is disposed on one side of the limiting block 13 and fixed to the inner wall of the carrier 11.

[0032] Specifically, auxiliary component 2 is disposed on the inner wall of transport component 1, including positioning component 21 movably connected to the inner wall of carrier 11, a first pneumatic drive component 22 disposed on one side of positioning component 21, the first pneumatic drive component 22 being fixed to the top of carrier 11, a second pneumatic drive component 23 disposed on the inner wall of carrier 11, a warning component 24 installed on the surface of carrier 11, and a pretreatment component 25 fixed to the top of spacer 14.

[0033] Example 2, refer to Figures 2-6 This is the second embodiment of the present invention, which is based on the previous embodiment.

[0034] Specifically, a limiting block 13 is fixed to the inner wall of the bearing seat 11, and the limiting block 13 is attached to one side of the spacer 14.

[0035] The support base 11 provides a bottom mounting support for the overall positioning and air drive structure. The limiting block 13 rigidly limits the extreme deflection position of the positioning component 21 to ensure that the positioning component 21 will not be in an interference state during the deflection process, so as to ensure that the assembly position is accurate and without deviation, thereby accurately positioning the workpiece and providing a stable conveying foundation for subsequent distance setting.

[0036] Specifically, the positioning component 21 includes a positioning plate 211 movably connected to the inner wall of the support 11. A drive shaft 212 and a drive gear 214 are fixed to the top of the positioning plate 211 and sleeved on the surface of the drive shaft 212.

[0037] The positioning plate 211 can rotate around the drive shaft 212 to adjust the contact angle, so as to ensure that after the workpiece abuts at any position, it will be driven to adjust to the regular conveying angle. The drive shaft 212 provides stable rotation support for the positioning plate 211, and the drive gear 214 drives the drive shaft 212 to rotate synchronously after receiving the transmission power.

[0038] Specifically, the positioning component 21 also includes a shaped rack 215 disposed on one side of the drive gear 214, and a connecting block 216 fixed to the surface of the shaped rack 215.

[0039] The irregular rack 215 meshes with the drive gear 214 to transmit power, which can convert linear displacement into the rotational motion of the gear. The connecting block 216 provides support and stability for the irregular rack 215.

[0040] Specifically, the positioning component 21 also includes a support bearing 213 sleeved on the surface of the drive shaft 212, and the support bearing 213 is fixed to the inner wall of the bearing seat 11.

[0041] The support bearing 213 provides low-friction rotational support for the drive shaft 212, reducing frictional resistance during rotation, while also constraining the radial displacement of the drive shaft 212, ensuring the rotational accuracy of the drive shaft 212, avoiding wobbling and offset during positioning, and improving the stability and positioning accuracy of the positioning action.

[0042] Specifically, the first air drive component 22 includes an air storage shell 221 disposed on the top of the support base 11, a support shaft 222 fixed on one side of the air storage shell 221, and a support sleeve 227 sleeved on the surface of the support shaft 222 and fixed to the top of the support base 11.

[0043] The first pneumatic drive component 22 provides pure mechanical pneumatic driving force for positioning actions, the gas storage shell 221 provides a sealed pressure-resistant cavity for gas compression and storage, and the support shaft 222 and the support sleeve 227 cooperate to form a sliding guide support structure to ensure the straightness of the gas storage shell 221 when it moves under force, avoid the gas path structure from being skewed or stuck, and ensure the stable sealing performance of the gas path.

[0044] Specifically, the first air drive component 22 also includes a first piston 225 movably connected to the inner wall of the air storage shell 221, a first piston rod 224 fixed to one side of the first piston 225, the first piston rod 224 fixed to one side of the positioning component 21, a limiting ring 226 sleeved on the surface of the first piston rod 224, and a one-way air supply valve 223 installed on one side of the air storage shell 221.

[0045] The first piston 225 can slide axially along the inner wall of the gas storage shell 221, compressing the internal air to generate high-pressure gas. The first piston rod 224 synchronously transmits the displacement of the positioning member 21 to the first piston 225. When the workpiece is placed and the positioning plate 211 moves, it synchronously drives the first piston rod 224 and the first piston 225 to compress the air chamber and generate pneumatic power. The limiting ring 226 limits the maximum extension and retraction stroke of the first piston rod 224 to prevent the first piston 225 from falling out of the gas storage shell 221. The one-way air supply valve 223 replenishes the outside air into the gas storage shell 221 in one direction when the piston is reset, ensuring that there is sufficient air volume for each compression.

[0046] Specifically, the second air drive component 23 includes an elastic airbag seat 231 embedded in the inner wall of the spacer frame 14. A first one-way air supply pipe 235 is fixed to one side of the elastic airbag seat 231. The first one-way air supply pipe 235 is fixed to the bottom of the first air drive component 22, connects to the horizontal pipe 233, and is located on the top of the support seat 11. A second one-way air supply pipe 232 is fixed to one side of the elastic airbag seat 231 and the side of the horizontal pipe 233, respectively. A third one-way air supply pipe 234 is fixed to one side of the horizontal pipe 233 and installed on the top of the warning component 24.

[0047] The second pneumatic drive component 23 realizes the diversion and stabilization of pneumatic power and multi-path transmission. The first one-way air supply pipe 235 delivers the high-pressure gas generated by the first pneumatic drive component 22 to the elastic airbag seat 231. The elastic airbag seat 231 expands under air pressure. When the subsequent workpiece is conveyed into the inner side of the spacer 14, it will squeeze the elastic airbag seat 231. If the position and angle of the workpiece are qualified, the elastic airbag seat 231 will be completely squeezed to achieve conveying. The gas inside the elastic airbag seat 231 will enter the warning component 24. Without warning, it will directly perform secondary auxiliary downward pressure to ensure the accuracy of the spacer operation. If the plate position is irregular, the compression of the elastic airbag seat 231 will not be complete, so that some gas remains inside. As a result, after the gas enters the warning component 24, it cannot fully drive the warning component 24. Therefore, it will be marked and simultaneously powered on to perform subsequent secondary auxiliary downward pressure to vertically correct the irregular plate.

[0048] Specifically, the warning component 24 includes an air storage pipe 241 installed on the surface of the support base 11, a timed exhaust valve 242 fixed on one side of the air storage pipe 241, a second piston 244 slidably connected to the inner wall of the air storage pipe 241, a first spring 243 fixed to the inner wall of the air storage pipe 241 and one side of the second piston 244 respectively, a second piston rod 245 installed on one side of the second piston 244, a warning sign seat 246 fixed to one side of the second piston rod 245, a first electrode plate 247 fixed to one side of the warning sign seat 246, an energizing component 249 slidably connected to the inner wall of the air storage pipe 241, a second electrode plate 248 fixed to one side of the energizing component 249, and a second spring 2410 sleeved on the surface of the energizing component 249.

[0049] The warning component 24 provides visual cues for workpiece positioning and triggers the processing circuit. After high-pressure gas enters the gas storage pipe 241, it pushes the second piston 244 to compress the first spring 243, causing it to move. The second piston rod 245 then extends the warning label seat 246. If there is sufficient gas, the warning label seat 246 will be fully extended and will not be exposed. If there is insufficient gas, it will be exposed, thus serving as a warning. The first electrode plate 247 moves synchronously with the warning label seat 246. Regardless of whether there is sufficient gas, it will quickly contact the second electrode plate 248 after a slight displacement, triggering the pre-processing component 25 circuit to start and achieve vertical auxiliary correction. The second spring 2410 provides a buffer preload for the energized component 249 to prevent damage caused by hard contact between the electrodes. The timed exhaust valve 242 can discharge the gas in the gas storage pipe 241 according to a set cycle for subsequent cyclic operation.

[0050] Example 3, referring to Figures 2-6 This is the third embodiment of the present invention, which is based on the first two embodiments.

[0051] Specifically, the pretreatment component 25 includes a flat pressure plate 251 that is slidably connected to the inner wall of the spacer 14. A miniature electric push rod 253 is fixed to the top of the flat pressure plate 251. A fixing sleeve 252 is sleeved on the surface of the miniature electric push rod 253 and fixed to the top of the support seat 11.

[0052] During use, the workpiece enters the inner cavity of the bearing seat 11 along the conveying path. The pipe end first contacts the positioning plate 211, which pushes the positioning plate 211 to deflect and return to the correct position around the drive shaft 212, thereby automatically adjusting the pipe to a regular posture consistent with the conveying direction. This achieves rapid guiding and positioning. The drive shaft 212 rotates synchronously under the low-friction support of the support bearing 213, which drives the drive gear 214 to rotate. Through meshing transmission, the gear 215 is pushed to move in a straight line. The connecting block 216 provides sliding guidance for the gear, ensuring smooth transmission without radial wobble.

[0053] During the translation of the irregular rack 215, the first piston 225 is pushed inward along the inner wall of the gas storage shell 221 by the first piston rod 224, compressing the air inside the gas storage shell 221 to form a high-pressure airflow. The high-pressure gas is unidirectionally transported to the elastic airbag seat 231 of the second air drive component 23 through the first one-way air delivery pipe 235, causing the elastic airbag seat 231 to slowly expand to a set volume, completing the air drive energy storage. The limiting ring 226 limits the maximum stroke of the first piston rod 224 to prevent the first piston 225 from falling out of the cavity. The limiting block 13 rigidly limits the extreme deflection angle of the positioning plate 211 to avoid positioning interference that causes the pipe to jam, ensuring the stability of the delivery reference.

[0054] The pipe continues to be conveyed forward into the inner side of the spacer 14, and the side wall of the pipe is squeezed and expanded into the elastic airbag seat 231. If the pipe posture is regular and the positioning angle is qualified, the pipe will completely squeeze the elastic airbag seat 231, so that all the high-pressure gas inside is conveyed through the second one-way air supply pipe 232, the connecting horizontal pipe 233, and the third one-way air supply pipe 234 to the air storage pipe 241 of the warning device 24. The sufficient air pressure pushes the second piston 244 to compress the first spring 243 and move it outward to the maximum stroke. Through the second piston rod 245, the warning sign seat 246 is completely moved to the storage position. The warning sign is not exposed, indicating that the pipe positioning and spacing are qualified.

[0055] If the pipe is tilted or the positioning angle is off, the pipe body cannot fully compress the elastic airbag seat 231. Some gas remains inside the airbag, and the amount of gas delivered to the air storage pipe 241 is insufficient. The second piston 244 can only be pushed to the half position, and the warning sign seat 246 cannot be fully retracted. The conspicuous warning color is exposed, which intuitively reminds the operator of the current pipe positioning deviation. The abnormality can be quickly identified at the front end of the process, avoiding the quality problem of the fixed distance dimension of batch finished products being out of tolerance, and ensuring the processing accuracy of the processed workpiece and the compatibility of subsequent assembly.

[0056] Regardless of whether the pipe positioning is qualified, after the high-pressure gas enters the gas storage pipe 241, it will push the second piston 244 to move the warning sign seat 246 and the first electrode plate 247 outward. The first electrode plate 247 quickly contacts the second electrode plate 248 and pushes the energizing component 249 to compress the second spring 2410 buffer, so that the pre-treatment circuit is turned on and the miniature electric push rod 253 of the pre-treatment component 25 is activated. The miniature electric push rod 253 drives the flat pressure plate 251 to descend smoothly along the inner wall of the spacer 14, applying a vertical downward regularizing pressure to the pipe, correcting the warping and skew deviation of the pipe, so that the pipe body is completely in contact with the spacer reference surface, completing the pre-treatment correction of the spacer positioning, actively intervening and correcting in the early stage of deviation, and reducing the impact range of quality abnormality.

[0057] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A metal composite pipe spacing and positioning device, characterized in that: The components include: a transport assembly (1), including a carrier (11) with a top protective shell (12) mounted on the surface of the carrier (11); a spacer (14) disposed on one side of the limiting block (13) and fixed to the inner wall of the carrier (11); an auxiliary assembly (2) disposed on the inner wall of the transport assembly (1) and including a positioning member (21) movably connected to the inner wall of the carrier (11); a first pneumatic drive member (22) disposed on one side of the positioning member (21) and fixed to the top of the carrier (11); a second pneumatic drive member (23) disposed on the inner wall of the carrier (11); a warning member (24) installed on the surface of the carrier (11); and a pretreatment member (25) fixed to the top of the spacer (14).

2. The metal composite pipe spacing and positioning device as described in claim 1, characterized in that: The inner wall of the bearing seat (11) is fixed with a limiting block (13), which is attached to one side of the spacer (14).

3. The metal composite pipe positioning device as described in claim 2, characterized in that: The positioning component (21) includes a positioning plate (211) movably connected to the inner wall of the bearing seat (11). A drive shaft (212) and a drive gear (214) are fixed on the top of the positioning plate (211) and sleeved on the surface of the drive shaft (212).

4. The metal composite pipe positioning device as described in claim 1 or 3, characterized in that: The positioning component (21) also includes a shaped rack (215) disposed on one side of the drive gear (214), a connecting block (216) and fixed to the surface of the shaped rack (215).

5. The metal composite pipe spacing and positioning device as described in claim 4, characterized in that: The positioning component (21) also includes a support bearing (213) sleeved on the surface of the drive shaft (212), and the support bearing (213) is fixed to the inner wall of the bearing seat (11).

6. The metal composite pipe positioning device as described in claim 5, characterized in that: The first air drive component (22) includes an air storage shell (221) disposed on the top of the support seat (11). A support shaft (222) is fixed on one side of the air storage shell (221), and a support sleeve (227) is sleeved on the surface of the support shaft (222) and fixed to the top of the support seat (11).

7. The metal composite pipe positioning device as described in claim 6, characterized in that: The first air drive component (22) further includes a first piston (225) movably connected to the inner wall of the air storage shell (221), a first piston rod (224) fixed on one side of the first piston (225), the first piston rod (224) fixed on one side of the positioning component (21), a limiting ring (226) sleeved on the surface of the first piston rod (224), and a one-way air supply valve (223) installed on one side of the air storage shell (221).

8. The metal composite pipe positioning device as described in claim 7, characterized in that: The second air drive component (23) includes an elastic airbag seat (231) embedded in the inner wall of the spacer frame (14). A first one-way air supply pipe (235) is fixed on one side of the elastic airbag seat (231). The first one-way air supply pipe (235) is fixed to the bottom of the first air drive component (22), connects to the horizontal pipe (233), and is set on the top of the support seat (11). A second one-way air supply pipe (232) is fixed to one side of the elastic airbag seat (231) and one side of the horizontal pipe (233), respectively. A third one-way air supply pipe (234) is fixed to one side of the horizontal pipe (233) and installed on the top of the warning component (24).

9. The metal composite pipe positioning device as described in claim 8, characterized in that: The warning component (24) includes an air storage pipe (241) installed on the surface of the support base (11), a timed exhaust valve (242) fixed on one side of the air storage pipe (241), a second piston (244) slidably connected to the inner wall of the air storage pipe (241), a first spring (243) fixed to the inner wall of the air storage pipe (241) and one side of the second piston (244), a second piston rod (245) installed on one side of the second piston (244), a warning sign seat (246) fixed to one side of the second piston rod (245), a first electrode plate (247) fixed to one side of the warning sign seat (246), an energizing component (249) slidably connected to the inner wall of the air storage pipe (241), a second electrode plate (248) fixed to one side of the energizing component (249), and a second spring (2410) sleeved on the surface of the energizing component (249).

10. The metal composite pipe positioning device as described in claim 1 or 9, characterized in that: The pretreatment component (25) includes a flat pressure plate (251) slidably connected to the inner wall of the spacer (14). A miniature electric push rod (253) is fixed to the top of the flat pressure plate (251). A fixed sleeve (252) is sleeved on the surface of the miniature electric push rod (253). The fixed sleeve (252) is fixed to the top of the support seat (11).

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