Tube blank surface polishing equipment for heat exchanger seamless tube production

Abstract

The utility model discloses tube blank surface polishing equipment for heat exchanger seamless tube production, which relates to the technical field of tube blank polishing, and comprises a clamping structure, the clamping structure comprises a base plate, a dovetail groove is arranged above the base plate, a first sliding groove is arranged on one side of the base plate close to the dovetail groove, a dovetail block is arranged in the dovetail groove, and a second sliding groove is arranged in the dovetail block. A fixing piece is arranged above the dovetail block, a double-threaded rod is arranged on the dovetail block, a first motor is arranged on the side, close to the dovetail block, of the double-threaded rod, a first sliding block is arranged below the fixing block, a second motor is arranged on one side above the fixing piece, a first chuck is arranged at the output end of the second motor, and a first limiting column is arranged on the side, away from the second motor, of the first chuck. A mounting groove is formed in the first limiting column, a second sliding groove is formed in the inner wall of the mounting groove, a second sliding block is arranged in the second sliding groove, a second limiting column is arranged on the inner side of the second sliding block, a second chuck is arranged on the side, away from the first limiting column, of the second limiting column, and a fixing bolt is arranged on one side of the second chuck.

Description

Technical Field

[0001] The utility model relates to the technical field of tube blank polishing, in particular to a tube blank surface polishing device for producing seamless tubes for heat exchangers. Background Art

[0002] Seamless pipe is made of a whole round steel through holes. There is no weld on the surface of the steel pipe, which is called seamless pipe. According to the production method, seamless steel pipe can be divided into hot-rolled seamless steel pipe, cold-rolled seamless steel pipe, cold-drawn seamless steel pipe, extruded seamless steel pipe, jacking pipe, etc. According to the cross-sectional shape, seamless steel pipe is divided into round and special-shaped. Special-shaped pipes have square, oval, triangle, hexagon, melon seed, star, winged pipe and many other complex shapes, with a maximum diameter of 900mm and a minimum diameter of 4mm. According to different uses, there are thick-walled seamless steel pipes and thin-walled seamless steel pipes. Seamless steel pipes are mainly used as petroleum geological drilling pipes, cracking pipes for petrochemicals, boiler pipes, bearing pipes, and high-precision structural steel pipes for automobiles, tractors, and aviation.

[0003] Chinese patent CN217596772U discloses a tube blank surface polishing device for stainless steel seamless tube production, including a workbench, a guide groove is provided on the top outer wall of the workbench, rotating frames are provided on both sides of the inner wall of the bottom of the guide groove, and limiting slots are provided on the outer walls of one side of the two rotating frames, and two limiting buckles are provided at both ends of the workbench, and one end of the two limiting buckles is fixedly connected with a limiting block, and the limiting block is slidably connected to the inner wall of the limiting slot, and the inner wall of the rotating frame is provided with built-in blocks distributed at equal distances, and spiral lines are provided on the outer walls of the opposite sides of several built-in blocks, and a transmission mechanism is also provided on the workbench, and the transmission mechanism and the rotating frame are used in conjunction. The tube blank surface polishing device for stainless steel seamless tube production disclosed by the utility model has the effects of strong automation, stable tube blank movement process and more sufficient polishing. The efficiency of clamping seamless tubes in this structure is not high, which affects work efficiency.

[0004] Therefore, in order to solve such problems, we proposed a tube blank surface polishing equipment for producing seamless tubes for heat exchangers. Utility Model Content

[0005] The utility model aims to solve the problem that the efficiency of clamping seamless pipes in the structure in the prior art is low, which affects the working efficiency, and proposes a tube blank surface polishing device for producing seamless pipes of heat exchangers.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a tube blank surface polishing device for producing seamless tubes of heat exchangers, including a clamping structure, the clamping structure includes a pad, a dovetail groove is provided on the top of the pad, a first slide groove is provided on the side of the pad close to the dovetail groove, a dovetail block is provided in the dovetail groove, a fixing piece is provided above the dovetail block, a double-threaded rod is provided on the dovetail block, a first motor is provided on the side of the double-threaded rod close to the dovetail block, a pad is provided below the first motor, a fixing block is provided on one side of the fixing piece, a first sliding block is provided below the fixing block, and a first sliding block is provided on one side of the fixing piece Two motors, a first chuck is provided at the output end of the second motor, a first limiting column is provided on the side of the first chuck away from the second motor, a mounting groove is provided in the first limiting column, a second sliding groove is provided on the inner wall of the mounting groove, a second sliding block is provided in the second sliding groove, a second limiting column is provided on the inner side of the second sliding block, a second chuck is provided on the side of the second limiting column away from the first limiting column, a fixing bolt is provided on one side of the second chuck, a pipe is provided on one side of the fixing bolt, the double-threaded rod is driven to rotate by the first motor, and the double-threaded rod drives the fixing parts on both sides to make relative movement, so that the first chuck and the second chuck clamp the pipe.

[0007] Preferably, a grinding structure is provided on one side of the clamping structure, and the grinding structure comprises a fixing frame, a limiting member is provided on the fixing frame, and a grinding roller is provided below the limiting member.

[0008] Preferably, a supporting structure is provided below the clamping structure, the supporting structure comprises a bottom plate, and supporting legs are provided below the bottom plate.

[0009] Preferably, a dovetail groove is provided above the pad, a dovetail block is provided in the dovetail groove, and a fixing piece is provided above the dovetail block.

[0010] Preferably, a first sliding groove is provided on a side of the pad close to the dovetail groove, a fixing block is provided on one side of the fixing member, and a first sliding block is provided below the fixing block.

[0011] Preferably, a first limiting column is provided on a side of the first chuck away from the second motor, a mounting groove is provided in the first limiting column, a second sliding block is provided in the second sliding groove, and a second limiting column is provided on the inner side of the second sliding block.

[0012] The utility model has the following beneficial effects:

[0013] In the utility model, the double-threaded rod is driven to rotate by the first motor, and the double-threaded rod drives the fixing parts on both sides to make relative movement, so that the first chuck and the second chuck clamp the pipeline, and a grinding roller is provided to continuously polish and grind the pipeline. During the entire polishing process, the structure is simple and easy to operate, thereby improving the use value. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1A three-dimensional schematic diagram of a tube blank surface polishing device for producing seamless tubes for heat exchangers proposed by the utility model;

[0015] Figure 2 This is a three-dimensional exploded view of a tube blank surface polishing device for producing seamless tubes for heat exchangers proposed by the utility model;

[0016] Figure 3 This is a three-dimensional exploded view of the clamping structure of a tube blank surface polishing device for producing seamless tubes for heat exchangers proposed by the utility model;

[0017] Figure 4 A three-dimensional schematic diagram of a backing plate of a tube blank surface polishing device for producing seamless tubes for heat exchangers proposed by the utility model;

[0018] Figure 5 The utility model discloses a three-dimensional exploded view of a clamping part of a tube blank surface polishing device for producing seamless tubes for heat exchangers.

[0019] Legend:

[0020] 1. Grinding structure; 11. Fixed frame; 12. Limiting piece; 13. Grinding roller; 2. Clamping structure; 21. Pad; 211. Dovetail groove; 212. First slide groove; 22. Dovetail block; 221. Fixing piece; 23. Double threaded rod; 231. First motor; 232. Pad; 24. Fixing block; 241. First slider; 25. Second motor; 251. First chuck; 26. First limiting column; 261. Mounting groove; 262. Second slide groove; 27. Second slider; 271. Second limiting column; 28. Second chuck; 281. Fixing bolt; 29. ​​Pipeline; 3. Support structure; 31. Bottom plate; 32. Support leg. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0023] Reference Figure 1-5The utility model provides an embodiment: a tube blank surface polishing device for producing seamless tubes for heat exchangers, comprising a clamping structure 2, the clamping structure 2 comprising a pad 21, the pad 21 is used to support the clamping structure 2, a dovetail groove 211 is provided above the pad 21, the dovetail groove 211 is used to install a dovetail block 22, a first slide groove 212 is provided on one side of the pad 21 close to the dovetail groove 211, the first slide groove 212 is used to install a first slider 241, a dovetail block 22 is provided in the dovetail groove 211, the dovetail block 22 is used to be slidably connected with the dovetail groove 211, a fixing piece 221 is provided above the dovetail block 22, and the fixing piece 2 The function of the first clamping plate 251 is to fix the first clamping plate 251, the dovetail block 22 is provided with a double threaded rod 23, the function of the double threaded rod 23 is to drive the dovetail blocks 22 on both sides to make relative movement, the double threaded rod 23 is provided with a first motor 231 on the side close to the dovetail block 22, the function of the first motor 231 is to drive the double threaded rod 23 to rotate, a cushion block 232 is provided below the first motor 231, the function of the cushion block 232 is to support the first motor 231, a fixing block 24 is provided on one side of the fixing member 221, the function of the fixing block 24 is to fix the first slider 241, a first slider 241 is provided below the fixing block 24, the function of the first slider 241 is to rotate with the first A slide groove 212 is slidably connected, and a second motor 25 is provided on one side above the fixing member 221. The function of the second motor 25 is to drive the first chuck 251 to rotate. The output end of the second motor 25 is provided with a first chuck 251. The function of the first chuck 251 is to clamp the pipe 29. A first limiting column 26 is provided on the side of the first chuck 251 away from the second motor 25. The function of the first limiting column 26 is to limit the pipe 29. An installation groove 261 is provided in the first limiting column 26. The function of the installation groove 261 is to install the second limiting column 271. A second slide groove 262 is provided on the inner wall of the installation groove 261. The second slide groove 262 The function is to install the second slider 27. The second slider 27 is arranged in the second slide groove 262. The function of the second slider 27 is to be slidably connected with the second slide groove 262. A second limiting column 271 is arranged on the inner side of the second slider 27. The function of the second limiting column 271 is to limit the pipe 29. A second chuck 28 is arranged on the side of the second limiting column 271 away from the first limiting column 26. The function of the second chuck 28 is to clamp the pipe 29. A fixing bolt 281 is arranged on one side of the second chuck 28. The function of the fixing bolt 281 is to fix the second limiting column 271. A pipe 29 is arranged on one side of the fixing bolt 281. The function of the pipe 29 is a seamless pipe to be polished.

[0024] The double-threaded rod 23 is driven to rotate by the first motor 231 , and the double-threaded rod 23 drives the fixing members 221 on both sides to make relative movements, so that the first clamping plate 251 and the second clamping plate 28 clamp the pipe 29 .

[0025] A grinding structure 1 is provided on one side of the clamping structure 2, and the grinding structure 1 includes a fixed frame 11. The function of the fixed frame 11 is to fix a limit piece 12. The fixed frame 11 is provided with a limit piece 12. The function of the limit piece 12 is to fix a grinding roller 13. A grinding roller 13 is provided below the limit piece 12. The function of the grinding roller 13 is to polish the pipe 29.

[0026] A supporting structure 3 is provided below the clamping structure 2. The supporting structure 3 includes a bottom plate 31. The bottom plate 31 supports the grinding structure 1 and the clamping structure 2. Support legs 32 are provided below the bottom plate 31. The support legs 32 support the entire structure.

[0027] A dovetail groove 211 is provided above the backing plate 21 , a dovetail block 22 is provided in the dovetail groove 211 , a fixing piece 221 is provided above the dovetail block 22 , and the backing plate 21 and the fixing piece 221 are slidably connected with the dovetail block 22 via the dovetail groove 211 .

[0028] A first slide groove 212 is provided on one side of the pad 21 close to the dovetail groove 211 , a fixing block 24 is provided on one side of the fixing member 221 , a first slider 241 is provided below the fixing block 24 , and the pad 21 and the fixing block 24 are slidably connected through the first slide groove 212 and the first slider 241 .

[0029] A first limiting column 26 is provided on the side of the first chuck 251 away from the second motor 25, a mounting groove 261 is provided in the first limiting column 26, a second sliding groove 262 is provided with a second slider 27, a second limiting column 271 is provided on the inner side of the second slider 27, and the first limiting column 26 and the second limiting column 271 are slidably connected with each other through the second slider 27 and the second sliding groove 262.

[0030] Working principle: first start the first motor 231 to drive the double-threaded rod 23 to rotate, and the double-threaded rod 23 drives the fixing parts 221 on both sides to make relative movement, so that the first chuck 251 and the second chuck 28 clamp the pipe 29, and then start the second motor 25 to drive the first limit column 26 and the second limit column 271 to rotate, and then drive the pipe 29 to rotate. During the entire polishing process, the structure is simple and easy to operate, which improves the use value.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A tube blank surface polishing device for producing seamless tubes for heat exchangers, comprising a clamping structure (2), characterized in that: The clamping structure (2) comprises a pad (21), a dovetail groove (211) is provided on the top of the pad (21), a first slide groove (212) is provided on the pad (21) on a side close to the dovetail groove (211), a dovetail block (22) is provided in the dovetail groove (211), a fixing member (221) is provided on the top of the dovetail block (22), a double threaded rod (23) is provided on the dovetail block (22), a first motor (231) is provided on the side close to the dovetail block (22), a pad (232) is provided below the first motor (231), a fixing block (24) is provided on one side of the fixing member (221), a first sliding block (241) is provided below the fixing block (24), a second motor (25) is provided on the top side of the fixing member (221), a first chuck (251) is provided at the output end of the second motor (25), and the first chuck A first limiting column (26) is provided on the side away from the second motor (251), a mounting groove (261) is provided in the first limiting column (26), a second sliding groove (262) is provided on the inner wall of the mounting groove (261), a second sliding block (27) is provided in the second sliding groove (262), a second limiting column (271) is provided on the inner side of the second sliding block (27), a second clamping plate (28) is provided on the side away from the first limiting column (26) of the second limiting column (271), a fixing bolt (281) is provided on one side of the second clamping plate (28), a pipe (29) is provided on one side of the fixing bolt (281), the double-threaded rod (23) is driven to rotate by the first motor (231), and the double-threaded rod (23) drives the fixing parts (221) on both sides to make relative movement, so that the first clamping plate (251) and the second clamping plate (28) clamp the pipe (29).

2. The surface polishing equipment for tube blanks used in the production of seamless tubes for heat exchangers according to claim 1, characterized in that: A grinding structure (1) is provided on one side of the clamping structure (2), and the grinding structure (1) comprises a fixing frame (11), a limiting member (12) is provided on the fixing frame (11), and a grinding roller (13) is provided below the limiting member (12).

3. The surface polishing equipment for tube blanks used in the production of seamless tubes for heat exchangers according to claim 2, characterized in that: A support structure (3) is provided below the clamping structure (2), the support structure (3) comprises a bottom plate (31), and support legs (32) are provided below the bottom plate (31).

4. The surface polishing equipment for tube blanks used in the production of seamless tubes for heat exchangers according to claim 1, characterized in that: The pad (21) and the fixing member (221) are slidably connected to the dovetail block (22) via the dovetail groove (211).

5. The surface polishing equipment for tube blanks used in the production of seamless tubes for heat exchangers according to claim 1, characterized in that: The pad (21) and the fixed block (24) are slidably connected to the first sliding groove (212) and the first sliding block (241).

6. The surface polishing equipment for tube blanks used in the production of seamless tubes for heat exchangers according to claim 1, characterized in that: The first limiting column (26) and the second limiting column (271) are slidably connected to the second sliding groove (262) via a second sliding block (27).

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