Copper removing device for welding surface of copper-steel composite pipe

Abstract

The invention provides a copper-steel composite pipe welding surface copper removing device which comprises a surface grinding structure, the surface grinding structure comprises a supporting frame, the supporting frame is arranged at the top of the outer wall of a containing shell, positioning grooves are formed in the two sides of the bottom of the supporting frame, a servo motor is arranged at the top of the supporting frame, and a synchronous wheel is arranged at the output end of the servo motor; a moving shaft is arranged on the inner wall of the positioning groove, the moving shaft is in sliding connection with the positioning groove, and a spring is arranged between the moving shaft and the positioning groove. The copper removing device is reasonable in design, and is formed by splicing the multiple polishing belts, so that when copper points on the surface of the copper-steel composite pipe are polished after the copper-steel composite pipe is welded, only the polishing belts need to be aligned with the copper-steel composite pipe from thick to thin, and the polishing belts in the copper removing device or the driving device do not need to be replaced; and meanwhile, when the copper-steel composite pipe moves upwards, the grinding belt is driven by the copper-steel composite pipe to move upwards, and the contact area between the grinding belt and the copper-steel composite pipe can be increased.

Description

Technical Field

[0001] The invention mainly relates to the field of copper-steel composite pipe production, and in particular to a copper-steel composite pipe welding surface copper removal device. Background Art

[0002] ‌Copper-steel composite pipe‌ is a composite material pipe composed of copper and steel, mainly used in water supply, HVAC, heating and other fields. The structural design of the copper-steel composite pipe includes a steel plate matrix and a copper layer arranged on both sides thereof, which is connected by high-frequency welding to form a welding surface, and a copper powder layer is sprayed at a high temperature on the welding surface, which is melted and metallurgically combined with the welding surface to ensure the structural strength and corrosion resistance of the pipe‌; After the copper-steel composite pipe is produced, two copper-steel composite pipes are welded by a welding device. After welding is completed, the copper on the surface of the copper-steel composite pipe needs to be removed by grinding.

[0003] The inventor discovered the following defects during the operation of the specific embodiment: When removing copper spots on the surface of the copper-steel composite pipe, grinding and soaking can be used, but the grinding needs to be from coarse grinding to fine grinding. Each time the copper-steel composite pipe is polished, the grinding belt inside the copper removal device needs to be replaced or the copper removal device needs to be replaced, which makes the copper-steel composite pipe take a long time to remove copper.

[0004] It should be noted that the above contents belong to the technical cognition scope of the inventor. Since the technical contents in this field are vast and too complicated, the above contents of this application do not necessarily constitute prior art. Summary of the invention

[0005] 1. Technical problem to be solved by the invention: The present invention provides a copper-steel composite pipe welding surface copper removal device, which is used to solve the technical problems existing in the above-mentioned background technology.

[0006] 2. Technical solution: To achieve the above-mentioned purpose, the technical solution provided by the present invention is: a copper-steel composite pipe welding surface copper removal device, comprising a placement shell, mounting grooves are provided on both sides of the placement shell, a first transmission screw is rotatably connected inside the mounting groove, a first synchronous belt assembly is provided between the two first transmission screws, a mobile frame structure is provided between the two first transmission screws, a pipeline fixing structure is provided inside the mobile frame structure, the number of the pipeline fixing structures is set to two, a copper-steel composite pipe structure is provided between the two pipeline fixing structures, a surface grinding structure is provided in the middle of the placement shell, and guide rings are provided on both sides of the inner wall of the placement shell; A surface grinding structure, comprising a support frame, the support frame is arranged at the top of the outer wall of the housing, positioning grooves are arranged on both sides of the bottom of the support frame, a servo motor is arranged on the top of the support frame, a synchronous wheel is arranged at the output end of the servo motor, a moving shaft is arranged on the inner wall of the positioning groove, the moving shaft is slidably connected to the positioning groove, a spring is arranged between the moving shaft and the positioning groove, one end of the moving shaft is rotatably connected to the synchronous wheel, and a grinding belt is arranged on the outer walls of a plurality of the synchronous wheels; The number of the grinding belts is set to be multiple, the multiple grinding belts are connected end to end, and the multiple grinding belts are connected by plate buckles.

[0007] Furthermore, the movable frame structure includes an auxiliary frame, a first matching hole is opened at one end of the auxiliary frame, the first matching hole is connected to the first transmission screw, the inner side of the auxiliary frame is rotatably connected to the second transmission screw, and a second synchronous belt assembly is arranged on the top of the second transmission screw.

[0008] Furthermore, the pipeline fixing structure includes a moving rod, and second matching holes are opened at both ends of the moving rod, and the second matching holes cooperate with the second transmission screw rod. A mounting ring is arranged in the middle of the moving rod, and an inner ring is arranged on the inner side of the mounting ring, and a guide groove is opened inside the inner ring.

[0009] Furthermore, the inner wall of the mounting ring is rotatably connected to a rotating ring, the outer wall of the rotating ring is provided with a gear ring, and the inner side of the rotating ring is provided with a pushing bar.

[0010] Furthermore, the number of the push bars is set to be multiple, and the multiple push bars are arranged in a circular array on the inner side of the rotating ring, and the push bars are arranged obliquely.

[0011] Furthermore, the inner wall of the guide groove is slidably connected with a sliding rod, a sliding ball is arranged at one end of the sliding rod, a return spring is arranged between the sliding rod and the inner ring, a fitting plate is arranged at one end of the sliding rod, a driving wheel is rotatably connected inside the fitting plate, and the sliding ball is slidably connected to the push bar.

[0012] Furthermore, a bottom shell is disposed on the outer wall of the mounting ring, a driving gear is rotatably connected inside the bottom shell, the driving gear is meshed with the gear ring, and a transmission shaft is disposed on the outer wall of the driving gear.

[0013] Furthermore, the copper-steel composite pipe structure includes a copper-steel composite pipe body, the outer wall of the copper-steel composite pipe body is in contact with the outer wall of the driving wheel, sealing blocks are provided at both ends of the copper-steel composite pipe body, and a valve is provided in the middle of the sealing block.

[0014] Furthermore, the number of the sliding bars is set to be multiple, and the multiple sliding bars are arranged in a circular array inside the inner ring.

[0015] 3. Beneficial effects: Compared with the prior art, the technical solution provided by the present invention has the following beneficial effects: The present invention is formed by splicing a plurality of grinding belts together, so that when the copper points on the surface of the copper-steel composite pipe are polished after the welding is completed, it is only necessary to polish from coarse to fine to align the copper-steel composite pipe, and there is no need to replace the grinding belt inside the copper removal device or the driving device. At the same time, when the copper-steel composite pipe moves upward, the grinding belt is driven by the copper-steel composite pipe to move upward, which can increase the contact area between the grinding belt and the copper-steel composite pipe; The copper-steel composite pipe enters the interior of the two pipe fixing structures for fixing, and at the same time, the driving wheel is started, so that the driving wheel drives the copper-steel composite pipe to rotate, and then the welding surface of the copper-steel composite pipe is aligned with the grinding belt, so that the grinding belt can grind the copper spots on the surface of the rotating copper-steel composite pipe, and the mobile frame structure can also drive the pipe fixing structure to rise and fall, so that the copper-steel composite pipe can be immersed in the liquid placed inside the shell, and the liquid can also remove the copper spots on the surface of the copper-steel composite pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of a three-dimensional cross-sectional structure of the present invention; Figure 3 It is a schematic diagram of the three-dimensional structure of the surface grinding structure of the present invention; Figure 4 It is a schematic diagram of the three-dimensional structure of the mobile frame structure of the present invention; Figure 5 It is a schematic diagram of the three-dimensional structure of the pipeline fixing structure of the present invention; Figure 6 It is a schematic diagram of the three-dimensional structure of the copper-steel composite pipe structure of the present invention; Figure 7 For the present invention Figure 2 A partial enlarged view of point A in the middle.

[0017] Reference numerals: 1. Placement housing; 2. Mounting groove; 3. First transmission screw; 4. First synchronous belt assembly; 5. Moving frame structure; 501. Auxiliary frame; 502. First matching hole; 503. Second transmission screw; 504. Second synchronous belt assembly; 6. Pipe fixing structure; 601. Moving rod; 602. Second matching hole; 603. Mounting ring; 604. Inner ring; 605. Guide groove; 606. Bottom housing; 607. Rotating ring; 608. Gear ring; 609. Push bar ; 610, sliding rod; 611, sliding ball; 612, reset spring; 613, bonding plate; 614, driving wheel; 7, copper-steel composite pipe structure; 701, copper-steel composite pipe body; 702, sealing block; 703, valve; 8, transmission shaft; 9, driving gear; 10, surface grinding structure; 1001, support frame; 1002, positioning groove; 1003, servo motor; 1004, synchronous wheel; 1005, moving shaft; 1006, grinding belt; 11, guide ring. DETAILED DESCRIPTION

[0018] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0019] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0020] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0021] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", "provided with", "provided on" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example

[0022] See attached Figure 1-7 , a copper-steel composite pipe welding surface copper removal device, comprising a placement shell 1, both sides of the placement shell 1 are provided with mounting grooves 2, the inside of the mounting groove 2 is rotatably connected with a first transmission screw 3, a first synchronous belt assembly 4 is provided between the two first transmission screws 3, a mobile frame structure 5 is provided between the two first transmission screws 3, a pipeline fixing structure 6 is provided inside the mobile frame structure 5, the number of the pipeline fixing structures 6 is set to two, a copper-steel composite pipe structure 7 is provided between the two pipeline fixing structures 6, a surface grinding structure 10 is provided in the middle of the placement shell 1, and guide rings 11 are provided on both sides of the inner wall of the placement shell 1; The wire rings 11 are arranged at both ends of the placement shell 1. When the copper-steel composite pipe body 701 needs to be placed inside the placement shell 1, the center point of the pipeline fixing structure 6 is aligned with the center line of the guide ring 11, which is used to position the copper-steel composite pipe body 701, so as to facilitate the subsequent placement of the copper-steel composite pipe body 701 into the placement shell 1; A surface grinding structure 10, comprising a support frame 1001, wherein the support frame 1001 is arranged at the top of the outer wall of the housing 1, and positioning grooves 1002 are arranged on both sides of the bottom of the support frame 1001, and a servo motor 1003 is arranged on the top of the support frame 1001, and a synchronous wheel 1004 is arranged at the output end of the servo motor 1003, and a movable shaft 1005 is arranged on the inner wall of the positioning groove 1002, and the movable shaft 1005 is slidably connected to the positioning groove 1002, and a spring is arranged between the movable shaft 1005 and the positioning groove 1002, and one end of the movable shaft 1005 is rotatably connected to the synchronous wheel 1004, and the outer walls of the plurality of synchronous wheels 1004 are provided with a grinding belt 1006; The number of the grinding belts 1006 is set to be multiple, and the multiple grinding belts 1006 are connected end to end, and the multiple grinding belts 1006 are connected by plate buckles.

[0023] Furthermore, the mobile frame structure 5 includes an auxiliary frame 501, one end of which is provided with a first matching hole 502, the first matching hole 502 is connected to the first transmission screw 3, the inner side of the auxiliary frame 501 is rotatably connected with a second transmission screw 503, the top of the second transmission screw 503 is provided with a second synchronous belt assembly 504, the copper-steel composite pipe structure 7 enters between the two pipe fixed structures 6, and then the motor is started, the motor is provided at one end of the first transmission screw 3, so that the motor drives the first transmission screw 3 on one side to rotate Then, the first transmission screw 3 drives the first transmission screw 3 on the other side to rotate through the first synchronous belt assembly 4, and the first transmission screw 3 drives the two mobile frame structures 5 to move synchronously to move the copper-steel composite pipe structure 7, so that the copper-steel composite pipe structure 7 is aligned with the surface grinding structure 10. At the same time, the mobile frame structure 5 can also drive the pipeline fixing structure 6 to rise and fall, so that the pipeline fixing structure 6 drives the copper-steel composite pipe structure 7 to rise and fall, so that the copper-steel composite pipe structure 7 can be immersed in the liquid placed inside the shell 1 for decoppering the outer wall of the copper-steel composite pipe body 701.

[0024] Further, the pipeline fixing structure 6 includes a moving rod 601, and the two ends of the moving rod 601 are provided with second matching holes 602, and the second matching holes 602 are matched with the second transmission screw rod 503. A mounting ring 603 is arranged in the middle of the moving rod 601, and an inner ring 604 is arranged on the inner side of the mounting ring 603. A guide groove 605 is arranged inside the inner ring 604. The inner wall of the mounting ring 603 is rotatably connected with a rotating ring 607, and the outer wall of the rotating ring 607 is provided with a gear ring 608. A push bar 609 is arranged on the inner side, and the number of the push bars 609 is set to be multiple. The multiple push bars 609 are arranged in a circular array on the inner side of the rotating ring 607. The push bars 609 are arranged obliquely. A sliding rod 610 is slidably connected to the inner wall of the guide groove 605. A sliding ball 611 is arranged at one end of the sliding rod 610. A return spring 612 is arranged between the sliding rod 610 and the inner ring 604. A fitting plate 613 is arranged at one end of the sliding rod 610. The inner rotation of the fitting plate 613 is connected to a driving wheel 614. The sliding ball 611 is arranged at one end of the sliding rod 610. 11 is slidably connected with the push bar 609, the outer wall of the mounting ring 603 is provided with a bottom shell 606, the inner part of the bottom shell 606 is rotatably connected with a driving gear 9, the driving gear 9 is meshed with the gear ring 608, and the outer wall of the driving gear 9 is provided with a transmission shaft 8. When it is necessary to remove copper from the welding surface position of the copper-steel composite pipe body 701, sealing blocks 702 are installed at both ends of the copper-steel composite pipe body 701 for sealing, and then the copper-steel composite pipe structure 7 is sent between the two inner rings 604, and then the motor is started, which is arranged at the bottom The outer wall of the housing 606 is connected to the output end of the motor, and the output end of the motor is connected to one end of the transmission shaft 8. The motor drives the transmission shaft 8 to rotate, and the transmission shaft 8 drives the driving gear 9 to rotate. The driving gear 9 drives the rotating ring 607 to rotate on the inner wall of the mounting ring 603 through the gear ring 608, and then the rotating ring 607 drives the inner pushing bar 609 to push the sliding rod 610 to slide on the inner wall of the guide groove 605, so that the sliding rod 610 drives the driving wheel 614 on the inner side of the bonding plate 613 to fit with the outer wall of the copper-steel composite pipe body 701 to fix the copper-steel composite pipe body 701.

[0025] Furthermore, the copper-steel composite pipe structure 7 comprises a copper-steel composite pipe body 701, the outer wall of the copper-steel composite pipe body 701 is in contact with the outer wall of the driving wheel 614, sealing blocks 702 are provided at both ends of the copper-steel composite pipe body 701, a valve 703 is provided in the middle of the sealing block 702, and the number of the sliding rods 610 is set to be multiple, and the multiple sliding rods 610 are annularly arrayed inside the inner ring 604; Then, the motor is started, and the motor drives the first transmission screw 3 to rotate through the first synchronous belt assembly 4. The first transmission screw 3 drives the two auxiliary frames 501 to move through the first matching hole 502. The auxiliary frames 501 drive the pipeline fixing structure 6 to move, so that the pipeline fixing structure 6 drives the copper-steel composite pipe structure 7 to move, so that the welding surface of the copper-steel composite pipe body 701 is aligned with the surface grinding structure 10; Start the motor, which is arranged directly below the auxiliary frame 501, and the output end of the motor is connected to the second transmission screw 503 on one side of the auxiliary frame 501. Start the motor, and the motor drives the second transmission screw 503 on one side to rotate. The second transmission screw 503 drives the second transmission screw 503 on the other side to move through the second synchronous belt assembly 504. The second transmission screw 503 drives the pipeline fixing structure 6 to move up and down, and the pipeline fixing structure 6 drives the copper-steel composite pipe structure 7 to move up and down, so that the copper-steel composite pipe body 701 moves downward to the surface immersed in the liquid inside the shell 1 to remove the copper spots on the welding surface, and can also drive the copper-steel composite pipe body 701 to move upward to contact with the grinding belt 1006; When the copper-steel composite pipe body 701 moves upward, the outer wall of the copper-steel composite pipe body 701 pushes the grinding belt 1006 to move upward, and the grinding belt 1006 pulls the synchronous wheels 1004 on both sides of the bottom to drive the moving shaft 1005 to slide on the inner wall of the positioning groove 1002 and squeeze the spring, so that an arc surface is formed in the middle of the bottom of the grinding belt 1006, and the arc surface can increase the contact area with the copper-steel composite pipe body 701, and then the driving wheel 614 is started, and the driving wheel 614 drives the copper-steel composite pipe body 701 to rotate, so that the outer wall of the copper-steel composite pipe body 701 and the outer wall of the grinding belt 1006 fit the welding surface. The copper spots are removed. After the rough grinding is completed, the servo motor 1003 is started. The servo motor 1003 drives the synchronous wheel 1004 on the top to rotate. The synchronous wheel 1004 drives the grinding belt 1006 to change from coarse sandpaper to fine sandpaper. The fine sandpaper fits the outer wall of the copper-steel composite pipe body 701. Repeat the above operation to make the grinding belt 1006 and the copper-steel composite pipe body 701 perform secondary grinding and copper removal. In the process of grinding and copper removal of the copper-steel composite pipe body 701, the movable frame structure 5 drives the pipeline fixing structure 6 to rise and fall, so that the pipeline fixing structure 6 drives the copper-steel composite pipe structure 7 to enter and exit the liquid inside the shell 1.

[0026] The above-described embodiments only express a certain implementation mode of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the patent scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. A copper-steel composite pipe welding surface copper removal device, characterized in that: include A placement shell (1), wherein mounting grooves (2) are provided on both sides of the placement shell (1), a first transmission screw (3) is rotatably connected inside the mounting groove (2), a first synchronous belt assembly (4) is provided between the two first transmission screws (3), a mobile frame structure (5) is provided between the two first transmission screws (3), a pipe fixing structure (6) is provided inside the mobile frame structure (5), the number of the pipe fixing structures (6) is set to two, a copper-steel composite pipe structure (7) is provided between the two pipe fixing structures (6), a surface grinding structure (10) is provided in the middle of the placement shell (1), and guide rings (11) are provided on both sides of the inner wall of the placement shell (1); A surface grinding structure (10), comprising a support frame (1001), the support frame (1001) being arranged at the top of an outer wall on which a shell (1) is placed, positioning grooves (1002) being arranged on both sides of the bottom of the support frame (1001), a servo motor (1003) being arranged at the top of the support frame (1001), a synchronous wheel (1004) being arranged at the output end of the servo motor (1003), a movable shaft (1005) being arranged on the inner wall of the positioning groove (1002), the movable shaft (1005) being slidably connected to the positioning groove (1002), a spring being arranged between the movable shaft (1005) and the positioning groove (1002), one end of the movable shaft (1005) being rotatably connected to the synchronous wheel (1004), and a grinding belt (1006) being arranged on the outer walls of a plurality of the synchronous wheels (1004); The number of the grinding belts (1006) is set to be multiple, the multiple grinding belts (1006) are connected end to end, and the multiple grinding belts (1006) are connected by plate buckles.

2. The copper-steel composite pipe welding surface copper removal device according to claim 1, characterized in that: The movable frame structure (5) comprises an auxiliary frame (501), one end of the auxiliary frame (501) is provided with a first matching hole (502), the first matching hole (502) is connected to a first transmission screw (3), the inner side of the auxiliary frame (501) is rotatably connected to a second transmission screw (503), and a second synchronous belt assembly (504) is arranged on the top of the second transmission screw (503).

3. The copper-steel composite pipe welding surface copper removal device according to claim 1, characterized in that: The pipeline fixing structure (6) comprises a moving rod (601), and second matching holes (602) are provided at both ends of the moving rod (601), and the second matching holes (602) are matched with the second transmission screw rod (503). A mounting ring (603) is provided in the middle of the moving rod (601), and an inner ring (604) is provided on the inner side of the mounting ring (603), and a guide groove (605) is provided inside the inner ring (604).

4. The copper-steel composite pipe welding surface copper removal device according to claim 3, characterized in that: The inner wall of the mounting ring (603) is rotatably connected to a rotating ring (607), the outer wall of the rotating ring (607) is provided with a gear ring (608), and the inner side of the rotating ring (607) is provided with a pushing bar (609).

5. The copper-steel composite pipe welding surface copper removal device according to claim 4, characterized in that: The number of the pushing bars (609) is set to be multiple, and the multiple pushing bars (609) are arranged in a circular array on the inner side of the rotating ring (607), and the pushing bars (609) are arranged obliquely.

6. The copper-steel composite pipe welding surface copper removal device according to claim 3, characterized in that: The inner wall of the guide groove (605) is slidably connected to a slide rod (610), one end of the slide rod (610) is provided with a slide ball (611), a return spring (612) is provided between the slide rod (610) and the inner ring (604), one end of the slide rod (610) is provided with a fitting plate (613), the inside of the fitting plate (613) is rotatably connected to a driving wheel (614), and the slide ball (611) is slidably connected to the push bar (609).

7. The copper-steel composite pipe welding surface copper removal device according to claim 1, characterized in that: The outer wall of the mounting ring (603) is provided with a bottom shell (606), the interior of the bottom shell (606) is rotatably connected with a driving gear (9), the driving gear (9) is meshed with a gear ring (608), and the outer wall of the driving gear (9) is provided with a transmission shaft (8).

8. The copper-steel composite pipe welding surface copper removal device according to claim 1, characterized in that: The copper-steel composite pipe structure (7) comprises a copper-steel composite pipe body (701), the outer wall of the copper-steel composite pipe body (701) being in contact with the outer wall of the driving wheel (614), sealing blocks (702) being provided at both ends of the copper-steel composite pipe body (701), and a valve (703) being provided in the middle of the sealing block (702).

9. The copper-steel composite pipe welding surface copper removal device according to claim 6, characterized in that: The number of the sliding bars (610) is set to be multiple, and the multiple sliding bars (610) are arranged in a circular array inside the inner ring (604).

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