Copper alloy solution delivery heat preservation device and method of use

Abstract

The application discloses a copper alloy solution conveying and heat preserving device and a use method, relates to the technical field of copper alloy processing equipment, and comprises two heat preserving pipe sleeves, the bottoms of the two heat preserving pipe sleeves are rotationally connected through a hinge, and the top surface of a heat preserving pipeline is connected through a locking mechanism; a vacuum cavity is arranged in the middle part of the heat preserving pipe sleeve; a temperature sensor is fixedly arranged on the inner side wall of a fixed plate; a plurality of pipeline fixing mechanisms are arranged in the heat preserving pipe sleeve; the temperature of copper alloy solution in the conveying pipeline is detected in real time, the temperature of the material is prevented from not meeting the regulation, and the material in the conveying pipeline is facilitated to be replaced; the heat preserving device is installed through the installation mode of the open-close type heat preserving pipe sleeve, different conveying pipelines with different pipe diameters are facilitated to be fixed, and the heat preserving device is convenient to disassemble and assemble; the vacuum cavity arranged in the heat preserving sleeve can well heat preserve the copper alloy solution in the conveying pipeline, so that the quality of subsequent casting is ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to copper alloy processing equipment technical field, specifically relates to a copper alloy solution conveying heat preservation device and use method. BACKGROUND

[0002] In the preparation process of alloy copper solution, the corresponding metal plate is melted, and then the corresponding casting is made through the forming device. The copper alloy solution needs to be conveyed by an external device before entering the corresponding forming device. The solution needs to be heat preserved during the conveying process. In the prior art, a sleeve type structure is also used for pipe heat preservation, that is, a heat preservation sleeve is sleeved outside the conveying pipe for heat preservation and to prevent scalding. However, most of such structures match the corresponding heat preservation sleeve according to the size of the conveying pipe, and the applicability of the sleeve is poor, which cannot adapt to conveying pipes of various sizes. At the same time, when the temperature of the solution in the pipe does not meet the standard, the conveying device can play a good prompting role. Therefore, a copper alloy solution conveying heat preservation device with material replacement prompting and a use method thereof are urgently needed. SUMMARY

[0003] The present application aims at the defects and deficiencies of the prior art, and provides a copper alloy solution conveying heat preservation device with material replacement prompting and a use method, which has the advantages of simple structure, reasonable design and convenient use, and can solve the technical problems in the prior art.

[0004] To achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows: it contains a conveying pipe;

[0005] It also contains:

[0006] The heat preservation sleeve is two, and the bottoms of the two are rotatably connected through a hinge. The top surface of the heat preservation pipe is connected through a locking mechanism. The middle part of the heat preservation sleeve is provided with a vacuum cavity.

[0007] The fixed plate is several, and is respectively arranged on the outer side of the conveying pipe. The temperature sensor is fixedly arranged on the inner side wall of the fixed plate, and the temperature sensor is connected with the external power supply. The outer side wall of the fixed plate is fixedly connected with the telescopic rod, and the end of the telescopic rod is fixedly arranged on the inner side wall of the heat preservation sleeve.

[0008] The pipe fixing mechanism is several, and is respectively arranged in the heat preservation sleeve. The pipe fixing mechanism is connected with the telescopic rod.

[0009] As a further improvement of the present application, the pipe fixing mechanism contains:

[0010] The adjusting plates are two and are spliced into a complete ring, which is sleeved on the outer side of the conveying pipeline, and a guide groove is formed on the outer ring wall of the adjusting plate; a plurality of adjusting grooves are formed on the side wall of the adjusting plate; the corresponding adjusting plates between the adjacent two pipeline fixing mechanisms are fixedly connected through connecting rods;

[0011] The guide blocks are a plurality of and are fixedly arranged on the inner side walls of the two heat preservation pipe sleeves respectively, and the guide blocks are slidably arranged in the corresponding guide grooves;

[0012] The adjusting rods are a plurality of and are fixedly arranged on the side walls of the plurality of telescopic rods respectively, and the end portions of the adjusting rods are movably arranged in the adjusting grooves;

[0013] The racks are two and are fixedly arranged on the outer ring walls of the adjusting plates on the two sides respectively;

[0014] The first motor is fixedly arranged on the inner side wall of the heat preservation pipe sleeve through a motor support, a gear is fixedly connected to the output shaft of the first motor, and the gear is arranged in meshing with the rack; and the first motor is connected with an external power supply.

[0015] Through the above technical scheme, when the device is installed, the heat preservation pipe sleeve is sleeved on the outer side of the conveying pipeline, is connected and fastened through the locking mechanism, then the first motor is turned on, the output shaft of the first motor drives the adjusting plate to rotate in the middle of the heat preservation pipe sleeve through the gear and the rack, since the adjusting rod is arranged in the adjusting groove, the adjusting groove rotates, the telescopic rod is driven to perform telescopic movement through the adjusting rod, and then the fixed plate is tightly attached to the outer side wall of the conveying pipeline, so that the heat preservation pipe sleeve is fixed on the outer side wall of the conveying pipeline.

[0016] As a further improvement of the application, the outer side of the first motor is fixedly provided with a heat shield, and the heat shield is fixedly arranged on the motor support; the high temperature on the outer side of the first motor is isolated through the arrangement of the motor support, and the service life of the first motor is increased.

[0017] As a further improvement of the application, the guide block and the guide groove are arranged in a "T" shape structure; the guide block and the guide groove arranged in the "T" shape structure can guide at the same time, and prevent the guide block from being separated from the guide groove.

[0018] As a further improvement of the application, the locking mechanism comprises:

[0019] The mounting boxes are a plurality of and are symmetrically arranged on the two sides of the abutting block, the mounting box is fixedly arranged on the heat preservation pipe sleeve on one side, and the abutting block is fixedly arranged on the heat preservation pipe sleeve on the other side;

[0020] The limiting plates are symmetrically movably inserted in the corresponding two installation boxes, and the limiting plates are movably limited on the top surface of the abutting block.

[0021] The bidirectional screw rod pair is movably inserted in the installation box through the shaft seat, and the screw nut in the bidirectional screw rod pair is movably inserted in the strip-shaped slot on the side wall of the installation box.

[0022] The second motor is movably inserted in the installation box through the motor support, and the output end of the second motor is fixedly connected with the end of the bidirectional screw rod pair.

[0023] When the two heat preservation pipes are sleeved and locked, the abutting block is inserted between the corresponding installation boxes, the second motor is opened, the second motor drives the screw rod in the bidirectional screw rod pair to rotate, and then the limiting plate is driven by the screw nut in the bidirectional screw rod pair to move out of the installation box, so that the limiting plate is abutted on the abutting block to fix the two heat preservation pipes.

[0024] As a further improvement of the present application, the limiting mechanism comprises:

[0025] The limiting block is movably inserted in the telescopic slot on the bottom surface of the limiting plate, and the lower side of the telescopic slot is in an open shape. The top surface of the abutting block is provided with a limiting slot, and the limiting block is movably inserted in the limiting slot.

[0026] The compression spring is fixedly arranged on the top surface of the limiting block, and the upper end of the compression spring is fixedly arranged on the inner top surface of the telescopic slot.

[0027] When the limiting plate is extended out of the installation box, the limiting block is extended out of the telescopic slot due to the reverse compression force of the compression spring, and is inserted in the limiting slot, so that the position of the abutting block can be further fixed.

[0028] As a further improvement of the present application, the top surface of the limiting block is provided with a flange, and the flange is movably and limitingly arranged on the bottom of the telescopic slot.

[0029] As a further improvement of the present application, the side wall near the limiting plate of the limiting slot is in an inclined shape, and the side wall of the limiting block is provided with a chamfer.

[0030] As a further improvement of the present application, the outside wall of the heat preservation sleeve is fixedly provided with an audible and visual alarm, and the audible and visual alarm is connected with the temperature sensor and an external power supply; the audible and visual alarm is arranged to conveniently and directly prompt the copper alloy solution replacement.

[0031] Compared with the prior art, the present application has the following advantages:

[0032] 1. The temperature sensor closely attached to the outside wall of the conveying pipeline detects the temperature of the copper alloy solution in the conveying pipeline in real time, prevents the material temperature from not meeting the requirements, and facilitates the replacement operation of the raw material in the conveying pipeline.

[0033] 2. The heat preservation device is installed through the installation mode of the open-close type heat preservation sleeve, which facilitates the fixation of the conveying pipeline with different diameters and is convenient to disassemble and assemble.

[0034] 3. The heat preservation sleeve is internally provided with a vacuum cavity, which can well preserve the copper alloy solution in the conveying pipeline to ensure the quality of subsequent casting. BRIEF DESCRIPTION OF DRAWINGS

[0035] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of these drawings.

[0036] Figure 1 is a structural schematic view of the present application.

[0037] Figure 2 is a southwest axial view of the present application.

[0038] Figure 3 is Figure 2 is an enlarged view of A part in

[0039] Figure 4 is an exploded structural schematic view of the limiting mechanism of the present application.

[0040] Figure 5 is a front side view of the present application.

[0041] Figure 6 is an internal structural schematic view of the heat preservation sleeve of the present application.

[0042] Figure 7 is Figure 6 is an enlarged view of B part in

[0043] Figure 8 is a structural schematic view of the specific embodiment of the present application.

[0044] Figure 9 is Figure 8 C part in

[0045] BRIEF DESCRIPTION OF DRAWINGS

[0046] Conveying pipe 1, heat preservation pipe sleeve 2, vacuum cavity 3, fixed plate 4, temperature sensor 5, telescopic rod 6, pipe fixing mechanism 7, adjusting plate 7-1, guide groove 7-2, adjusting groove 7-3, connecting rod 7-4, guide block 7-5, adjusting rod 7-6, rack 7-7, No. 1 motor 7-8, gear 7-9, heat shield 8, locking mechanism 9, mounting box 9-1, abutting block 9-2, limiting plate 9-3, bidirectional screw pair 9-4, No. 2 motor 9-5, limiting mechanism 10, limiting block 10-1, telescopic groove 10-2, limiting groove 10-3, compression spring 10-4, audible and visual alarm 11. DETAILED DESCRIPTION

[0047] The application will be further described below with reference to the drawings.

[0048] Example 1

[0049] As shown in Figures 1-9 , the embodiment comprises a conveying pipe 1;

[0050] It also comprises:

[0051] Heat preservation pipe sleeve 2, the heat preservation pipe sleeve 2 is two, and the bottoms of the two are rotatably connected through hinges, and the top surfaces of the heat preservation pipes are connected through the locking mechanism 9; the middle parts of the heat preservation pipe sleeves 2 are provided with vacuum cavities 3;

[0052] Fixed plate 4, the fixed plate 4 is several, and is respectively arranged on the outer sides of the conveying pipes 1, the inner side walls of the fixed plates 4 are fixedly provided with temperature sensors 5 through bolts, and the temperature sensors 5 are connected with an external power supply; the outer side walls of the fixed plates 4 are fixedly connected with telescopic rods 6 through bolts, and the end portions of the telescopic rods 6 are fixedly arranged on the inner side walls of the heat preservation pipe sleeves 2 through bolts; the outer side walls of the heat preservation pipe sleeves 2 are fixedly provided with audible and visual alarms 11 through bolts, and the audible and visual alarms 11 are connected with the temperature sensors 5 and the external power supply; the setting of the audible and visual alarms 11 facilitates more intuitive replacement prompting of the copper alloy solution;

[0053] Pipe fixing mechanism 7, the pipe fixing mechanism 7 is several, and is respectively arranged in the interiors of the heat preservation pipe sleeves 2, and the pipe fixing mechanism 7 is connected with the telescopic rod 6.

[0054] Example 2

[0055] As shown in Figures 1-9 , on the basis of example 1, the pipe fixing mechanism 7 comprises:

[0056] Adjusting plate 7-1, the adjusting plate 7-1 is two, and two are spliced into a complete ring, which is sleeved on the outside of the conveying pipe 1, the outer ring wall of the adjusting plate 7-1 is provided with a guide groove 7-2; a plurality of adjusting grooves 7-3 are formed in the side wall of the adjusting plate 7-1; the corresponding adjusting plates 7-1 in the adjacent two pipeline fixing mechanisms 7 are fixedly connected by connecting rods 7-4;

[0057] Guide block 7-5, the guide block 7-5 is a plurality of, and is fixedly arranged on the inner side wall of the two heat preservation pipe sleeves 2 respectively, the guide block 7-5 is slidably embedded in the corresponding guide groove 7-2; the guide block 7-5 and the guide groove 7-2 are cooperatively arranged as a "T" shape structure; the guide block 7-5 and the guide groove 7-2 arranged by the "T" shape structure can guide at the same time, prevent the guide block 7-5 from being separated from the guide groove 7-2;

[0058] Adjusting rod 7-6, the adjusting rod 7-6 is a plurality of, and is fixedly arranged on the side wall of the plurality of telescopic rods 6 respectively, the end of the adjusting rod 7-6 is movably inserted into the adjusting groove 7-3;

[0059] Rack 7-7, the rack 7-7 is two, and is fixedly arranged on the outer ring wall of the adjusting plate 7-1 on both sides;

[0060] No. 7-8 motor, the no. 7-8 motor is fixedly arranged on the inner side wall of the heat preservation pipe sleeve 2 through the motor support, the output shaft of the no. 7-8 motor is fixedly connected with the gear 7-9 through the bolt, and the gear 7-9 is meshed with the rack 7-7; the no. 7-8 motor is connected with the external power supply; the outer side of the no. 7-8 motor is fixedly provided with a heat shield 8 through the bolt, and the heat shield 8 is fixedly arranged on the motor support; the high temperature on the outer side of the no. 7-8 motor is isolated by the arrangement of the motor support, and the service life of the no. 7-8 motor is increased.

[0061] Example 3

[0062] Referring to the Figures 1-9 As shown in the embodiment 2, the locking mechanism 9 comprises:

[0063] Mounting box 9-1, the mounting box 9-1 is a plurality of, and is symmetrically arranged on both sides of the abutting block 9-2, the mounting box 9-1 is fixedly arranged on one side of the heat preservation pipe sleeve 2, and the abutting block 9-2 is fixedly arranged on the other side of the heat preservation pipe sleeve 2;

[0064] Limiting plates 9-3, there are several limiting plates 9-3, and they are symmetrically and movablely inserted into two corresponding mounting boxes 9-1. The limiting plates 9-3 are movablely limited by the top surface of the contact block 9-2. A limiting mechanism 10 is provided between the bottom of the limiting plate 9-3 and the contact block 9-2.

[0065] The bidirectional lead screw assembly 9-4 is rotatably mounted on the side wall of the mounting box 9-1 via a bearing seat. The lead screw nut inside the bidirectional lead screw assembly 9-4 moves through the strip groove on the side wall of the mounting box 9-1 and is fixedly connected to the side wall of the limiting plate 9-3.

[0066] The second motor 9-5 is fixedly mounted on the side wall of the mounting box 9-1 by a motor bracket, and the output end of the second motor 9-5 is fixedly connected to the end of the bidirectional lead screw pair 9-4; the second motor 9-5 is connected to an external power source.

[0067] Example 4

[0068] See as Figures 1-9 As shown, based on Embodiment 3, the limiting mechanism 10 includes:

[0069] A limiting block 10-1 is movably inserted into a telescopic groove 10-2 on the bottom surface of a limiting plate 9-3. The lower side of the telescopic groove 10-2 is open. A limiting groove 10-3 is formed on the top surface of the contact block 9-2, and the limiting block 10-1 is movably inserted into the limiting groove 10-3. A flange is provided on the top surface of the limiting block 10-1, and the flange is movably limited and engaged with the bottom of the telescopic groove 10-2. The flange facilitates the limitation of the stroke of the limiting block 10-1. The side wall of the limiting groove 10-3 near the limiting plate 9-3 is inclined, and the side wall of the limiting block 10-1 is chamfered. The inclined surface and chamfer facilitate the entry of the limiting block 10-1 into the telescopic groove 10-2 and the insertion into the limiting groove 10-3.

[0070] Compression spring 10-4 is fixedly mounted on the top surface of limit block 10-1, and the upper end of compression spring 10-4 is fixedly mounted on the inner top surface of telescopic groove 10-2.

[0071] The specific models of motor 7-8 (No. 1), motor 9-5 (No. 2), and temperature sensor 5 were purchased, installed, and used directly from the market according to the usage requirements.

[0072] In use of the present application, when installing the device, the heat preservation sleeve 2 is sleeved outside the conveying pipe 1, and is connected and fastened by the locking mechanism 9. When the two heat preservation sleeves 2 are combined and locked, the abutting block 9-2 is inserted between the corresponding installation boxes 9-1. The second motor 9-5 is opened, the second motor 9-5 drives the screw rod in the bidirectional screw rod pair 9-4 to rotate, and then the nut in the bidirectional screw rod pair 9-4 drives the limiting plate 9-3 to move out of the installation box 9-1, so that the limiting plate 9-3 is abutted on the abutting block 9-2 to fix the two heat preservation sleeves. When the limiting plate 9-3 extends out of the installation box 9-1, the limiting block 10-1 extends out of the telescopic slot 10-2 due to the reverse compression force of the compression spring 10-4, and is inserted into the limiting slot 10-3, so that the position of the abutting block 9-2 can be further fixed.

[0073] Then the first motor 7-8 is opened, the output shaft of the first motor 7-8 drives the adjusting plate 7-1 to rotate in the middle of the heat preservation sleeve 2 through the gear 7-9 and the rack 7-7. Since the adjusting rod 7-6 is inserted into the adjusting slot 7-3, the adjusting slot 7-3 rotates, the telescopic rod 6 is driven to extend and retract through the adjusting rod 7-6, and then the fixed plate 4 is tightly attached to the outer wall of the conveying pipe 1, so that the heat preservation sleeve 2 is fixed on the outer wall of the conveying pipe 1.

[0074] The temperature sensor 5 can detect the temperature of the copper alloy solution in the conveying pipe 1 in real time, and the raw materials that do not meet the temperature are replaced by the audible and visual alarm 11. At the same time, the vacuum cavity 3 in the heat preservation sleeve 2 is used for heat preservation operation.

[0075] After adopting the above structure, the present embodiment has the following beneficial effects:

[0076] 1. The temperature sensor 5 tightly attached to the outer wall of the conveying pipe 1 detects the temperature of the copper alloy solution in the conveying pipe 1 in real time, prevents the material temperature from not meeting the requirements, and facilitates the replacement of the raw materials in the conveying pipe 1.

[0077] 2. The heat preservation device is installed by the installation mode of the openable and closable heat preservation sleeve 2, which is convenient for fixing the conveying pipe 1 with different diameters and is convenient for disassembly and assembly.

[0078] 3. The vacuum cavity 3 is arranged in the heat preservation sleeve, which can well heat the copper alloy solution in the conveying pipe 1 to ensure the quality of subsequent casting.

[0079] The above description is only used to illustrate the technical solutions of the present application, not to limit the present application. Other modifications or equivalent replacements to the technical solutions of the present application made by those skilled in the art should be covered in the scope of the claims of the present application.

Claims

1. Copper alloy solution conveying heat preservation device, it contains conveying pipe (1); characterized in that It also contains: Heat preservation pipe sleeve (2), the heat preservation pipe sleeve (2) is two, and the bottom is connected by hinge rotation, the top surface of heat preservation pipeline is connected through locking mechanism (9);The middle part of heat preservation pipe sleeve (2) is provided with vacuum cavity (3); Fixed plate (4), the fixed plate (4) is several, and is respectively arranged in the outside four around conveying pipe (1), temperature sensor (5) is fixedly arranged on the inner side wall of fixed plate (4), and temperature sensor (5) is connected with external power supply;The outer side wall of fixed plate (4) is fixedly connected with telescopic rod (6), and the end of telescopic rod (6) is fixedly arranged on the inner side wall of heat preservation pipe sleeve (2); Pipeline fixing mechanism (7), the pipeline fixing mechanism (7) is several, and is respectively arranged in the inside of heat preservation pipe sleeve (2), and pipeline fixing mechanism (7) is connected with telescopic rod (6); The pipeline fixing mechanism (7) contains: Adjusting plate (7-1), the adjusting plate (7-1) is two, and two are spliced a complete ring, the ring is set on the outside of conveying pipe (1) way, the outer ring wall of adjusting plate (7-1) is provided with guide slot (7-2);Adjusting slot (7-3) is formed in the side wall of adjusting plate (7-1);The corresponding adjusting plate (7-1) between the adjacent two pipeline fixing mechanisms (7) is fixedly connected through connecting rod (7-4); Guide block (7-5), the guide block (7-5) is several, and is respectively fixedly arranged on the inner side wall of two heat preservation pipe sleeves (2), and guide block (7-5) is slidably embedded in the corresponding guide slot (7-2); Adjusting rod (7-6), the adjusting rod (7-6) is several, and is respectively fixedly arranged on the side wall of several telescopic rods (6), and the end of adjusting rod (7-6) is movably inserted in adjusting slot (7-3); Rack (7-7), the rack (7-7) is two, and is respectively fixedly arranged on the outer ring wall of the adjusting plate (7-1) on both sides; No. 1 motor (7-8), the no. 1 motor (7-8) is fixedly arranged on the inner side wall of heat preservation pipe sleeve (2) through motor support, and the output shaft of no. 1 motor (7-8) is fixedly connected with gear (7-9), and gear (7-9) is meshed with rack (7-7) and is arranged;The no. 1 motor (7-8) is connected with external power supply; The locking mechanism (9) contains: Mounting box (9-1), the mounting box (9-1) is several, and is symmetrically arranged on the both sides of abutting block (9-2), and mounting box (9-1) is fixedly arranged on the heat preservation pipe sleeve (2) on one side, and abutting block (9-2) is fixedly arranged on the heat preservation pipe sleeve (2) on the other side; Limiting plate (9-3), the limiting plate (9-3) is several, and is movably inserted in the corresponding two mounting boxes (9-1), and limiting plate (9-3) is movably positioned with the top surface of abutting block (9-2);The bottom of limiting plate (9-3) and abutting block (9-2) are provided with limiting mechanism (10) between them; The bidirectional screw pair (9-4) is rotatably arranged on the side wall of the mounting box (9-1) through an axle seat, and the nut in the bidirectional screw pair (9-4) is movably arranged through the strip-shaped slot on the side wall of the mounting box (9-1) and is fixedly connected with the side wall of the limiting plate (9-3); The second motor (9-5) is fixedly arranged on the side wall of the mounting box (9-1) through a motor support, and the output end of the second motor (9-5) is fixedly connected with the end of the bidirectional screw pair (9-4); the second motor (9-5) is connected with an external power supply; The limiting mechanism (10) comprises: The limiting block (10-1) is movably inserted into the telescopic slot (10-2) arranged on the bottom surface of the limiting plate (9-3), and the lower side of the telescopic slot (10-2) is arranged in an open manner; the limiting slot (10-3) is arranged on the top surface of the abutting block (9-2), and the limiting block (10-1) is movably inserted into the limiting slot (10-3); The compression spring (10-4) is fixedly arranged on the top surface of the limiting block (10-1), and the upper end of the compression spring (10-4) is fixedly arranged on the inner top surface of the telescopic slot (10-2); The sound-light alarm (11) is fixedly arranged on the outer side wall of the heat preservation pipe sleeve (2), and the sound-light alarm (11) is connected with the temperature sensor (5) and an external power supply.

2. The copper alloy solution delivery heat retention device of claim 1, wherein: The outer side of the first motor (7-8) is fixedly provided with the heat shield (8), and the heat shield (8) is fixedly arranged on the motor support.

3. The copper alloy solution delivery heat retention device of claim 1, wherein: The guiding block (7-5) and the guiding slot (7-2) are arranged in a matched "T" shape.

4. The copper alloy solution delivery heat retention device of claim 1, wherein: The top surface of the limiting block (10-1) is provided with a flange, and the flange is movably and limitingly clamped with the bottom of the telescopic slot (10-2); the flange is arranged to facilitate limiting the stroke of the limiting block (10-1).

5. The copper alloy solution delivery heat retention device of claim 1, wherein: The side wall close to the side of the limiting plate (9-3) of the limiting slot (10-3) is arranged in an inclined manner, and the side wall of the limiting block (10-1) is provided with a chamfer.

6. A method of using the copper alloy solution delivery and heat retention device of any one of claims 1-5, wherein: When the device is installed, the heat preservation pipe sleeve (2) is sleeved on the outer side of the conveying pipe (1), is connected and fastened through the locking mechanism (9), the abutting block (9-2) is inserted between the corresponding mounting boxes (9-1) when the two heat preservation pipe sleeves (2) are combined and locked, the second motor (9-5) is opened, the second motor (9-5) drives the screw rod in the bidirectional screw pair (9-4) to rotate, and then the nut in the bidirectional screw pair (9-4) drives the limiting plate (9-3) to move out of the mounting box (9-1), so that the limiting plate (9-3) is abutted on the abutting block (9-2) to fix the two heat preservation sleeves, when the limiting plate (9-3) is stretched out of the mounting box (9-1), the limiting block (10-1) is stretched out of the telescopic slot (10-2) due to the reverse compression force of the compression spring (10-4) and is inserted into the limiting slot (10-3), which can further fix the position of the abutting block (9-2); Then open the motor (7-8), the output shaft of the motor (7-8) drives the adjusting plate (7-1) to rotate in the middle of the heat preservation pipe sleeve (2) through the gear (7-9) and the rack (7-7), because the adjusting rod (7-6) is inserted in the adjusting groove (7-3), the adjusting groove (7-3) rotates, drives the telescopic rod (6) to stretch and retract through the adjusting rod (7-6), and then drives the fixed plate (4) to tightly adhere to the outer side wall of the conveying pipe (1), so as to fix the heat preservation pipe sleeve (2) on the outer side wall of the conveying pipe (1); The temperature sensor (5) can detect the temperature of the copper alloy solution in the conveying pipe (1) in real time, and the raw materials that do not meet the temperature are prompted to replace through the sound-light alarm (11); at the same time, the vacuum cavity (3) in the heat preservation pipe sleeve (2) is used for heat preservation operation.

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