A positioning and hole-opening mechanism for seamless steel pipes

Abstract

The present invention discloses a positioning and hole-opening mechanism for seamless steel pipes, including an operation main body, the operation main body includes a base, the base is slidably connected with a support seat through an electric slide rail arranged on its top, a clamping part is arranged in the space surrounded by the support seat and the base, the main body of the clamping part adopts a detachable structure, the clamping part includes an upper pressing part and a placing part, wherein, the upper pressing part includes a cooling box, and a telescopic device is rotatably installed on the cooling box through a shaft rod arranged on its top. The present invention relates to the technical field of steel pipe hole opening. This positioning and hole-opening mechanism for seamless steel pipes can effectively solve the problem in the prior art that when a straight hole drilling machine drills a seamless steel pipe, the pre-processed seamless steel pipe is first clamped, fixed and corrected, and then drilled one by one. Each seamless steel pipe needs to be clamped, fixed and corrected separately, which greatly reduces the drilling efficiency of seamless steel pipes.

Description

Technical Field

[0001] The present invention relates to the technical field of steel pipe hole opening, and particularly relates to a positioning and hole opening mechanism for seamless steel pipes. Background Art

[0002] Seamless steel pipes are steel pipes without welds manufactured by hot working methods such as piercing and hot rolling. When necessary, the hot-worked pipes can be further cold-worked to the required shape, size, and performance.

[0003] Seamless steel pipes are an important type of steel pipe required in construction and engineering. Existing seamless steel pipes usually need to be drilled. Usually, when a straight hole drilling machine drills a seamless steel pipe, first, the pre-processed seamless steel pipe is clamped, fixed, and corrected, and then the seamless steel pipe is drilled one by one. Each seamless steel pipe needs to be clamped, fixed, and corrected separately, which greatly reduces the drilling efficiency of seamless steel pipes. Summary of the Invention

[0004] Technical Problems to be Solved

[0005] In view of the above-mentioned drawbacks of the prior art, the present invention provides a positioning and hole opening mechanism for seamless steel pipes, which can effectively solve the problem in the prior art that when a straight hole drilling machine drills a seamless steel pipe, first, the pre-processed seamless steel pipe is clamped, fixed, and corrected, and then the seamless steel pipe is drilled one by one. Each seamless steel pipe needs to be clamped, fixed, and corrected separately, which greatly reduces the drilling efficiency of seamless steel pipes.

[0006] Technical Solutions

[0007] To achieve the above object, the present invention is realized through the following technical solutions:

[0008] The present invention provides a positioning and hole opening mechanism for seamless steel pipes, including:

[0009] An operation main body, the operation main body includes a base, the base is slidably connected with a support seat through an electric slide rail arranged on its top, and a clamping part is arranged in the space surrounded by the support seat and the base;

[0010] The main body of the clamping part adopts a detachable structure, and the clamping part includes an upper pressing part and a placing part;

[0011] Among them, the upper pressing part includes a cooling box, the cooling box is rotatably installed with a telescopic device through a shaft rod arranged on its top, and the outer surface of the telescopic device is fixedly connected with the top of the support seat;

[0012] Among them, the placing part includes a recovery tray, the top of the recovery tray is rotatably connected with a rotating disk through a rotating rod, a plurality of groups of through holes are equidistantly arranged inside the recovery tray, and straight plates are fixedly connected to the tops of the plurality of through holes;

[0013] Inside the cooling box, there is a tightening member that can be used to wrap the outer surface of the straight plate.

[0014] Furthermore, it further includes an intermittent part. The intermittent part includes a driving plate and a driving unit. The driving plate is sleeved on the circumferential outer surface of the cooling box. The outer surface of the driving unit is fixedly connected to the outer surface of the support seat. The top of the driving unit is fixedly connected to a rotating plate through an output shaft. The top of the rotating plate is fixedly connected to a smooth rod. There are two smooth rods and they are evenly distributed on the upper surface of the rotating plate. The driving plate is in fit with the outer surface of the smooth rod through an intermittent wheel groove opened in it.

[0015] Furthermore, it further includes a drilling part. The drilling part includes an equipment box. The bottom of the equipment box is fixedly connected to the top of the base. A number of groups of telescopic drill bits are equidistantly installed on one side of the equipment box close to the straight plate.

[0016] Furthermore, a filter plate is arranged between the recovery disc and the rotating disc. The bottom of the filter plate is fixedly connected to the bottom of the inner wall of the recovery disc through a support rod. A number of groups of convex blocks are fixedly connected to the inner wall of the through hole. An inclined arc plate is fixedly connected above the outer surface of the straight plate.

[0017] Furthermore, the tightening member includes a liquid storage tank. The circumferential outer surface of the liquid storage tank is fixedly communicated with the bottom of the cooling box. The bottom of the liquid storage tank is fixedly connected to a frustum-shaped pipe. Tightening frames that are in fit with the outer surface of the inclined arc plate are evenly distributed on the circumferential side surface of the frustum-shaped pipe. The top of the tightening frame is fixedly connected to the bottom of the liquid storage tank. An inner spraying plate and an outer spraying plate are respectively arranged between adjacent tightening frames. The inner spraying plate and the outer spraying plate are respectively located on both sides of the frustum-shaped pipe. The tops of the inner spraying plate and the outer spraying plate are both fixedly communicated with the inside of the liquid storage tank.

[0018] Furthermore, a piston plate is slidably connected to the liquid storage tank through a special-shaped rod arranged on its inner wall. The piston plate is connected to the top of the inner wall of the cooling box through a strong spring arranged on its top. The top of the piston plate is fixedly connected to a magnetic plate through a thin rod.

[0019] Furthermore, an electromagnet block that is magnetically connected to the top of the magnetic plate is fixedly connected to one side of the support seat away from the expander.

[0020] Beneficial effects

[0021] The technical solution provided by the present invention has the following beneficial effects compared with the prior art:

[0022] The present invention is provided with an electric slide rail, a support seat and a clamping part. The steel pipe is preferably hoisted and placed. The bottom end of the steel pipe contacts the convex block. After the steel pipe is completely placed, the electric slide rail is used to drive the support seat and the upper pressing part to reset again. At this time, the upper pressing part is located directly above the placing part. The telescopic device is started to drive the shaft rod, the cooling box and the tightening part to fall synchronously. The frustum pipe on the tightening part first slides into the steel pipe, and then the frustum pipe slides down to tighten and vertically correct the inner wall of the steel pipe. At the same time, the outer surface of the tightening frame continuously tightens the inclined arc plate inward, thereby driving the straight plate to continuously clamp the outer surface of the steel pipe. By using the tightening part in cooperation with the straight plate and the inclined arc plate, synchronous fixation (this fixation includes clamping the outside of the steel, expanding the inside and clamping up and down) and vertical correction of a plurality of groups of steel pipes are realized (the frustum pipe slides vertically downward and can vertically correct the steel pipe). Compared with the traditional fixture for single outer surface fixation, the present invention can fix multiple groups of steel pipes at one time, and the clamping stability is stronger, avoiding the shaking of the steel pipe during subsequent drilling. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0024] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the present invention;

[0025] Figure 2 It is a three-dimensional multi-angle structural schematic diagram of an embodiment of the present invention;

[0026] Figure 3 It is a three-dimensional multi-state structural schematic diagram of an embodiment of the present invention;

[0027] Figure 4 It is a three-dimensional separated structural schematic diagram of a partial part of the upper pressing part of an embodiment of the present invention;

[0028] Figure 5 It is a three-dimensional structural schematic diagram of the placing part of an embodiment of the present invention;

[0029] Figure 6 It is a three-dimensional partial sectional structural schematic diagram of the upper pressing part of an embodiment of the present invention;

[0030] Figure 7 It is a three-dimensional combined structural schematic diagram of the tightening part, the steel pipe and the inclined arc plate of an embodiment of the present invention;

[0031] Figure 8 It is a three-dimensional separated structural schematic diagram of the tightening part and the inclined arc plate of an embodiment of the present invention.

[0032] The reference numerals in the figure respectively represent: 1. operating body; 11. base; 12. electric slide rail; 13. support seat; 14. electromagnetic block; 2. clamping part; 21. upper pressing part; 211. cooling box; 212. shaft rod; 213. telescopic device; 214. tightening part; 2141. liquid storage tank; 2142. frustum pipe; 2143. tightening frame; 2144. inner spraying plate; 2145. outer spraying plate; 2146. piston plate; 2147. strong spring; 2148. magnetic plate; 22. placing part; 221. recovery tray; 222. rotating disc; 223. through hole; 2231. convex block; 224. straight plate; 2241. inclined arc plate; 225. filter disc; 3. intermittent part; 31. driving plate; 32. driving unit; 33. rotating plate; 34. smooth rod; 35. intermediate wheel groove; 4. drilling part; 41. equipment box; 42. telescopic drill bit. Specific implementation mode

[0033] In order to make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0034] The present invention will be further described below with reference to the embodiments.

[0035] Embodiment:

[0036] Please refer to Figures 1-8 , the present invention provides a technical solution: a positioning and drilling mechanism for seamless steel pipes, including:

[0037] An operating body 1, the operating body 1 includes a base 11, and the base 11 is slidably connected with a support seat 13 through an electric slide rail 12 arranged on its top, and a clamping part 2 is arranged in the space surrounded by the support seat 13 and the base 11;

[0038] The main body of the clamping part 2 adopts a detachable structure, and the clamping part 2 includes an upper pressing part 21 and a placing part 22;

[0039] Among them, the upper pressing part 21 includes a cooling box 211, and the cooling box 211 is rotatably installed with a telescopic device 213 through a shaft rod 212 arranged on its top, and the outer surface of the telescopic device 213 is fixedly connected with the top of the support seat 13;

[0040] Among them, the placement member 22 includes a recovery tray 221. A rotary tray 222 is rotatably connected to the top of the recovery tray 221 through a rotary rod. A number of groups of through holes 223 are equidistantly arranged inside the recovery tray 221. Straight plates 224 are fixedly connected to the tops of the multiple through holes 223.

[0041] A tightening member 214 that can be used to wrap the outer surface of the straight plate 224 is arranged inside the cooling box 211.

[0042] It further includes an intermittent part 3. The intermittent part 3 includes a driving plate 31 and a driving unit 32. The driving plate 31 is sleeved on the circumferential outer surface of the cooling box 211. The outer surface of the driving unit 32 is fixedly connected to the outer surface of the support base 13. A rotary plate 33 is fixedly connected to the top of the driving unit 32 through an output shaft. A smooth rod 34 is fixedly connected to the top of the rotary plate 33. There are two smooth rods 34 and they are evenly distributed on the upper surface of the rotary plate 33. The driving plate 31 is in fit with the outer surface of the smooth rod 34 through an intermittent wheel groove 35 opened inside it.

[0043] It further includes a drilling part 4. The drilling part 4 includes an equipment box 41. The bottom of the equipment box 41 is fixedly connected to the top of the base 11. A number of groups of telescopic drill bits 42 are equidistantly installed on one side of the equipment box 41 close to the straight plate 224. The drilling position is located between adjacent straight plates 224. After a group of steel pipes are drilled, the telescopic drill bits 42 reset. Then, the driving unit 32 on the intermittent part 3 starts. The servo motor inside it drives the rotary plate 33 to rotate one week. The smooth rod 34 slides along the inner wall of the intermittent wheel groove 35, pushing the driving plate 31 to rotate 30° (the steel pipes are designed with 12 groups, rotating 1 / 12 circle), thereby switching the corresponding steel pipes of the telescopic drill bits 42, realizing continuous drilling between the steel pipes without interruption. Compared with the existing seamless steel pipes during drilling, each seamless steel pipe needs to be clamped, fixed and corrected separately by a fixture. In the present invention, through the cooperation of the clamping part 2 and the intermittent part 3, the drilling efficiency of seamless steel pipes is greatly improved.

[0044] A filter tray 225 is arranged between the recovery tray 221 and the rotary tray 222, which can continuously filter the chips in the coolant. The coolant flows into the recovery tray 221 and is recycled through a valve pipe. The bottom of the filter tray 225 is fixedly connected to the bottom inner wall of the recovery tray 221 through a support rod. A number of groups of protrusions 2231 are fixedly connected to the inner wall of the through hole 223. An inclined arc plate 2241 is fixedly connected above the outer surface of the straight plate 224.

[0045] The tightening member 214 includes a liquid storage tank 2141. The outer circumferential surface of the liquid storage tank 2141 is fixedly communicated with the bottom of the cooling tank 211. A frustum-shaped pipe 2142 is fixedly connected to the bottom of the liquid storage tank 2141. Tightening frames 2143 that fit the outer surface of the inclined arc plate 2241 are evenly distributed on the circumferential side surface of the frustum-shaped pipe 2142. The top of the tightening frame 2143 is fixedly connected to the bottom of the liquid storage tank 2141. An inner spray plate 2144 and an outer spray plate 2145 are respectively arranged between adjacent tightening frames 2143. The inner spray plate 2144 and the outer spray plate 2145 are respectively located on both sides of the frustum-shaped pipe 2142. The tops of the inner spray plate 2144 and the outer spray plate 2145 are fixedly communicated with the inside of the liquid storage tank 2141. The coolant flows into the inner spray plate 2144 and the outer spray plate 2145. A plurality of groups of flow holes are respectively arranged on the sides of the inner spray plate 2144 and the outer spray plate 2145 close to the steel pipe. The coolant is sprayed onto the outer surface of the steel pipe and falls along the outer surface of the steel pipe, flowing through a plurality of telescopic drill bits 42. Compared with the traditional drill bit drilling, which requires an independent nozzle to spray it, through the vertical arrangement of the inner spray plate 2144 and the outer spray plate 2145 in cooperation with the steel pipe, the present invention greatly reduces the number of coolant nozzles, improves the utilization rate of the coolant, and the impact force of the coolant accelerates the detachment of the chips and flows into the filter disc 225 through the through hole 223, saving the trouble of subsequent separate chip removal.

[0046] A piston plate 2146 is slidably connected to the liquid storage tank 2141 through a special-shaped rod arranged on its inner wall. The piston plate 2146 is connected to the top inner wall of the cooling tank 211 through a strong spring 2147 arranged on its top. The top of the piston plate 2146 is fixedly connected to a magnetic plate 2148 through a thin rod.

[0047] An electromagnetic block 14 that is magnetically connected to the top of the magnetic plate 2148 is fixedly connected to the side of the support seat 13 away from the telescopic device 213. When switching the drilling steel pipe, the drilled steel pipe rotates, and its corresponding magnetic plate 2148 disengages from the electromagnetic block 14, closing the corresponding inner spray plate 2144 and outer spray plate 2145 to prevent the coolant from continuing to flow out; and when the steel pipe to be drilled rotates to directly below the electromagnetic block 14, its corresponding magnetic plate 2148 is attracted by the magnetic force of the electromagnetic block 14, opening the corresponding inner spray plate 2144 and outer spray plate 2145; after all the steel pipes are drilled, the electromagnetic block 14 is turned off, and all the inner spray plates 2144 and outer spray plates 2145 can be closed.

[0048] Reference Figures 1-8 , seamless steel pipe is an important type of steel pipe that is required in construction and engineering. Existing seamless steel pipes usually need to be drilled. Usually, when a straight hole drilling machine drills a seamless steel pipe, first, the pre-processed seamless steel pipe is clamped and fixed and corrected, and then the seamless steel pipe is drilled one by one. Each seamless steel pipe needs to be clamped and fixed and corrected separately, greatly reducing the drilling efficiency of the seamless steel pipe;

[0049] In order to overcome the above-mentioned defects, the present invention designs a positioning and opening mechanism for seamless steel pipes.

[0050] Specifically, the electric slide rail 12 on the operating body 1 is controlled by an external remote control switch to drive the support seat 13 and the upper pressure piece 21 on the clamping part 2 to move backward synchronously (the main body of the clamping part 2 adopts a detachable structure, and the clamping part 2 includes an upper pressure piece 21 and a placement piece 22), so that the top of the space surrounded by the straight plates 224 on the placement piece 22 is in an open state. Each group of spaces for placing steel pipes is composed of four straight plates 224 and are equidistant from each other. The steel pipes are preferably hoisted and placed in, and the bottom ends of the steel pipes are in contact with the protrusions 2231 to prevent the steel pipes from detaching from the through holes 223. After the steel pipes are completely placed, the support seat 13 and the upper pressure piece 21 are reset by the electric slide rail 12 again. At this time, the upper pressure piece 21 is located directly above the placement piece 22.

[0051] The expansion joint 213 is started to drive the shaft 212, the cooling box 211 and the tightening piece 214 to fall synchronously (the driving plate 31 on the intermittent part 3 slides downward along the outer surface of the smooth rod 34), and the round cone tube 2142 on the tightening piece 214 first slides into the steel pipe (the rotating disk 222 can be manually fine-tuned to align the steel pipe with the lower end of the round cone tube 2142), and then the round cone tube 2142 slides down to tighten and vertically correct the inner wall of the steel pipe. At the same time, the outer surface of the tightening frame 2143 is continuously tightened inward against the inclined arc plate 2241, thereby driving the straight plate 2 24 continuously clamps the outer surface of the steel pipe (the material of the straight plate 224 is mainly steel), and the tightening piece 214 cooperates with the straight plate 224 and the inclined arc plate 2241 to realize the synchronous fixation of several groups of steel pipes (this fixation includes the outer side clamping of the steel, the inner side expansion and the upper and lower clamping) and vertical correction (the cone tube 2142 slides down vertically to correct the steel pipe vertically). Compared with the traditional clamp for fixing a single outer surface, the present invention can fix multiple groups of steel pipes at one time, and the clamping stability is stronger, avoiding the shaking of the subsequent drilled steel pipe.

[0052] Multiple sets of steel pipe drilling:

[0053] First, start the equipment box 41 on the drilling part 4, drive the telescopic drill bit 42 to drill the outer surface of the steel pipe synchronously (mainly by the telescopic rod inside the equipment box 41, pushing the rotating drill bit to move back and forth). The drilling position is between adjacent straight plates 224. After a group of steel pipes are drilled, the telescopic drill bit 42 resets. Then, the drive unit 32 on the intermittent part 3 is started, and the servo motor inside it drives the rotating plate 33 to rotate one week. The smooth rod 34 slides along the inner wall of the intermittent wheel groove 35, pushing the drive plate 31 to rotate 30° (the steel pipe is designed with 12 groups, rotating 1 / 12 of a circle), thereby switching the steel pipe corresponding to the telescopic drill bit 42 and realizing continuous drilling between steel pipes without interruption. When drilling existing seamless steel pipes, each seamless steel pipe needs to be clamped, fixed, and corrected separately by a fixture. In the present invention, through the cooperation of the clamping part 2 and the intermittent part 3, the drilling efficiency of seamless steel pipes is greatly improved.

[0054] Advantages of the tightening member 214:

[0055] First, when drilling the steel pipe, it is necessary to continuously flow the coolant over its surface (its main function is to quickly absorb and carry away the cutting heat generated during drilling to improve the durability of the drill bit; the coolant penetrates between the drill bit and the chip to reduce the friction between the drill bit and the chip and make the chip removal smooth). In the present invention, the cooling box 211 is filled with coolant. Initially, the piston plate 2146 in the tightening member 214 is subjected to the elastic force of the strong spring 2147, closing the tops of the inner spraying plate 2144 and the outer spraying plate 2145 to prevent coolant leakage. When drilling, the electromagnet 14 is started, and the magnetic force of the electromagnet 14 attracts the magnetic plate 2148 directly below it, driving the magnetic plate 2148 and the piston plate 2146 to move upward synchronously (the strong spring 2147 is compressed). At this time, the tops of the corresponding inner spraying plate 2144 and the outer spraying plate 2145 are opened, and the coolant flows into the inner spraying plate 2144 and the outer spraying plate 2145. A number of flow holes are provided on both sides of the inner spraying plate 2144 and the outer spraying plate 2145 close to the steel pipe. The coolant is sprayed onto the outer surface of the steel pipe, falls along the outer surface of the steel pipe, and flows through a number of telescopic drill bits 42. Compared with the traditional drill bit drilling, which requires an independent nozzle to spray it, in the present invention, through the cooperation of the inner spraying plate 2144 and the outer spraying plate 2145 with the vertical setting of the steel pipe, the number of coolant nozzles is greatly reduced, and the utilization rate of the coolant is improved.

[0056] And when switching the drilled steel pipe, the drilled steel pipe rotates, and its corresponding magnetic plate 2148 breaks away from the electromagnet 14, closing the corresponding inner spraying plate 2144 and the outer spraying plate 2145 to prevent the coolant from continuing to flow out; while the steel pipe to be drilled rotates to directly below the electromagnet 14, and its corresponding magnetic plate 2148 is attracted by the magnetic force of the electromagnet 14, opening the corresponding inner spraying plate 2144 and the outer spraying plate 2145; after all the steel pipes are drilled, the electromagnet 14 is turned off, and all the inner spraying plates 2144 and the outer spraying plates 2145 can be closed.

[0057] Second, the straight plate 224 on the clamping portion 2 is vertically arranged. When the telescopic drill bit 42 drills a hole in the steel pipe, the chips generated can automatically fall (existing steel pipes are horizontally clamped, and the chips are discharged vertically after drilling by rotation). In cooperation with the coolant sprayed by the inner spray plate 2144 and the outer spray plate 2145, the impact force of the coolant accelerates the separation of the chips, and the chips flow into the filter disc 225 through the through hole 223, saving the trouble of subsequent separate chip removal.

[0058] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. A positioning and hole-opening mechanism for seamless steel pipes, characterized in that, Comprising: An operating body (1), the operating body (1) includes a base (11), the base (11) is slidably connected with a support seat (13) through an electric slide rail (12) provided on its top, and a clamping part (2) is arranged in the space surrounded by the support seat (13) and the base (11); The main body of the clamping part (2) adopts a detachable structure, and the clamping part (2) includes an upper pressing part (21) and a placing part (22); Wherein, the upper pressing part (21) includes a cooling box (211), the cooling box (211) is rotatably installed with a telescopic device (213) through a shaft rod (212) provided on its top, and the outer surface of the telescopic device (213) is fixedly connected with the top of the support seat (13); Wherein, the placing part (22) includes a recovery tray (221), the top of the recovery tray (221) is rotatably connected with a rotating tray (222) through a rotating rod, a plurality of groups of through holes (223) are equidistantly arranged inside the recovery tray (221), and the top ends of the plurality of through holes (223) are fixedly connected with straight plates (224); A tightening part (214) for wrapping the outer surface of the straight plate (224) is arranged inside the cooling box (211); A filter plate (225) is arranged between the recovery tray (221) and the rotating tray (222), the bottom of the filter plate (225) is fixedly connected with the bottom inner wall of the recovery tray (221) through a support rod, a plurality of groups of bumps (2231) are fixedly connected to the inner wall of the through hole (223), and an inclined arc plate (2241) is fixedly connected above the outer surface of the straight plate (224); The tightening part (214) includes a liquid storage tank (2141), the circumferential outer surface of the liquid storage tank (2141) is fixedly communicated with the bottom of the cooling box (211), the bottom of the liquid storage tank (2141) is fixedly connected with a frustum-shaped pipe (2142), a tightening frame (2143) that fits the outer surface of the inclined arc plate (2241) is evenly distributed on the circumferential side of the frustum-shaped pipe (2142), the top of the tightening frame (2143) is fixedly connected with the bottom of the liquid storage tank (2141), an inner spraying plate (2144) and an outer spraying plate (2145) are respectively arranged between adjacent tightening frames (2143), the inner spraying plate (2144) and the outer spraying plate (2145) are respectively located on both sides of the frustum-shaped pipe (2142), and the top ends of the inner spraying plate (2144) and the outer spraying plate (2145) are fixedly communicated with the inside of the liquid storage tank (2141).

2. The positioning and hole-opening mechanism for seamless steel pipes according to claim 1, characterized in that: It further includes an intermittent part (3), the intermittent part (3) includes a driving plate (31) and a driving unit (32), the driving plate (31) is sleeved on the circumferential outer surface of the cooling box (211), the outer surface of the driving unit (32) is fixedly connected with the outer surface of the support seat (13), the top of the driving unit (32) is fixedly connected with a rotating plate (33) through an output shaft, the top of the rotating plate (33) is fixedly connected with a smooth rod (34), there are two smooth rods (34) and they are evenly distributed on the upper surface of the rotating plate (33), and the driving plate (31) is in contact with the outer surface of the smooth rod (34) through an intermittent wheel groove (35) opened inside it.

3. The positioning and hole-opening mechanism for seamless steel pipes according to claim 1, characterized in that: It further includes a drilling part (4), and the drilling part (4) includes an equipment box (41). The bottom of the equipment box (41) is fixedly connected to the top of the base (11), and a number of groups of telescopic drill bits (42) are equidistantly installed on one side of the equipment box (41) close to the straight plate (224).

4. The positioning and hole-opening mechanism for seamless steel pipes according to claim 1, characterized in that: The liquid storage tank (2141) is slidably connected with a piston plate (2146) through a special-shaped rod arranged on its inner wall. The piston plate (2146) is connected to the top inner wall of the cooling tank (211) through a strong spring (2147) arranged on its top. The top of the piston plate (2146) is fixedly connected with a magnetic plate (2148) through a thin rod.

5. The positioning and hole-opening mechanism for seamless steel pipes according to claim 4, wherein: An electromagnet (14) magnetically connected to the top of the magnetic plate (2148) is fixedly connected to one side of the support base (13) away from the telescopic device (213).

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