Cooler of steel pipe spraying device

Abstract

The utility model discloses a cooler of a steel pipe spraying device, which belongs to the technical field of steel pipe quenching processing equipment and comprises a cooler outer sleeve and a cooler inner sleeve, a water inlet pipe is connected onto the cooler outer sleeve, and a plurality of nozzles are uniformly mounted on the inner side of the cooler inner sleeve. A rotating mechanism is arranged on the back side of the cooler outer sleeve and comprises a rotating ring rotationally connected with the cooler outer sleeve and a driving assembly used for driving the rotating ring to rotate, the cooler inner sleeve is sleeved with the rotating ring, and the rotating ring and the cooler inner sleeve are connected in a clamped mode. The rotating mechanism can drive the cooler inner sleeve to rotate while keeping the cooler outer sleeve not rotating, and drives the nozzles to uniformly surround the peripheral side of the steel pipe to rotate so as to spray water to cool the steel pipe, so that the peripheral side of the steel pipe can comprehensively receive water flow impact, and the quenching uniformity of the peripheral side of the steel pipe can be improved; and the cooler inner sleeve is convenient to disassemble and assemble, so that the nozzle is convenient to disassemble, assemble and maintain.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to steel pipe quenching processing equipment technical field, concretely is a kind of cooler of steel pipe spraying device. BACKGROUND

[0002] When processing steel pipe, to make steel pipe reach required physical, chemical performance, usually adopt quenching process to meet demand, steel pipe is heated to 850 DEG C or more by frequency coil, then in 1 second's time, steel pipe is cooled to low temperature 100 DEG C from high temperature 850 DEG C or more by steel pipe spraying device, to make steel pipe can reduce to required temperature in extremely short time, usually adopt water spray cooling mode, multiple nozzles are evenly arranged in annular on cooler, to spray low-temperature cooling water to high-temperature steel pipe at appropriate pressure and flow rate, to realize quenching.

[0003] At present, the cooler of cylinder structure is usually used to spray water to the steel pipe inserted inside in prior art, for example, steel pipe quenching device is disclosed in the patent document with application No.201711100514.4, the cooler in the device includes inner cylinder for bearing nozzle and outer cylinder sealingly sleeved on the outer side of inner cylinder, and the inner cylinder is provided with convex edge at one end and is fixedly connected with the end face of outer cylinder by screw, and water inlet is formed on the outer cylinder;When disassembling, the inner cylinder can be inserted and pulled out in the axial direction of outer cylinder, and the nozzle is installed from the outer side of inner cylinder, so that the assembly and disassembly of cooler are facilitated. However, the coolers like this are fixed during working process, and the positions of the nozzles inside the coolers on the steel pipe are the same when water is sprayed, that is, from the cross section of steel pipe, only the positions corresponding to and aligned with a circle of nozzles are impacted by water flow, so that the circumferential side of steel pipe cannot be fully impacted by water flow, which is not conducive to the uniformity of quenching of circumferential side of steel pipe. UTILITY MODEL CONTENTS

[0004] The utility model technical scheme provides a solution significantly different from prior art to solve the technical problem that the circumferential side of steel pipe cannot be fully impacted by water in prior art solution, mainly provides a cooler of steel pipe spraying device to solve the technical problem that the circumferential side of steel pipe cannot be fully impacted by water in the background art.

[0005] The utility model solves the technical problem by the technical scheme that:

[0006] A cooler of steel pipe spraying device, including cooler outer sleeve and cooler inner sleeve, the cooler outer sleeve is connected with inlet pipe, and the cooler inner sleeve is evenly installed with a plurality of nozzles on the inner side;The back side of the cooler outer sleeve is provided with a rotating mechanism, the rotating mechanism includes a rotating ring rotatably connected with the cooler outer sleeve and a driving assembly for driving the rotating ring to rotate, the rotating ring is sleeved on the outer side of the cooler inner sleeve, and the rotating ring is connected with the cooler inner sleeve by clamping.

[0007] Further, the driving assembly comprises a large gear fixedly sleeved on the rotating ring, and a small gear is arranged on one side of the large gear in a meshing mode, and a rotating shaft for connecting the driving machine is fixedly connected to the middle part of the small gear.

[0008] Further, the outer ring surface of the rotating ring is rotatably connected with the cooler outer sleeve through a bearing.

[0009] Further, the inner ring surface of the rotating ring is fixedly provided with clamping blocks at equal intervals along the circumferential side, and the outer side of one end of the cooler inner sleeve is provided with clamping grooves corresponding to the clamping blocks.

[0010] Further, the cooler outer sleeve is fixedly provided with a protective shell at the end side corresponding to the rotating ring, and the rotating ring and the driving assembly are arranged in the protective shell; and a circular opening of the cooler inner sleeve is arranged on the end surface of the protective shell facing away from the cooler outer sleeve.

[0011] Further, the one end of the cooler inner sleeve facing away from the rotating ring is formed with a convex edge attached to the end surface of the cooler outer sleeve, and a water baffle attached to the convex edge is arranged on the outer side of the cooler inner sleeve, and a through hole for the steel pipe to pass through is arranged at the center of the water baffle; the diameter of the water baffle is greater than the diameter of the convex edge, and the water baffle and the cooler outer sleeve are fixedly connected through screws.

[0012] Further, annular grooves are arranged on the positions of the cooler inner sleeve contacting the two end panels of the cooler outer sleeve, and sealing rings are arranged in the annular grooves.

[0013] Further, the top of the cooler outer sleeve is connected with a water pressure monitoring table.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] (1) The utility model discloses a rotating mechanism arranged on the back side of the cooler outer sleeve, the rotating mechanism comprises a rotating ring rotatably connected with the cooler outer sleeve and a driving assembly for driving the rotating ring to rotate, and the cooler inner sleeve can be driven to rotate while the cooler outer sleeve does not rotate through the rotating mechanism, so that the nozzles can rotate around the steel pipe to spray water on the steel pipe, and the circumferential side of the steel pipe can comprehensively receive water flow impact, thereby improving the uniformity of quenching of the circumferential side of the steel pipe.

[0016] (2) In the utility model, the rotating ring is sleeved on the outer side of the cooler inner sleeve, and the rotating ring and the cooler inner sleeve are connected in a clamping mode, so that the cooler inner sleeve can be disassembled conveniently, and the nozzles can be disassembled and maintained conveniently.

[0017] The utility model will be explained in detail in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1A three-dimensional structure schematic view of the utility model not installing rotating mechanism and water baffle;

[0019] Figure 2 A three-dimensional structure schematic view of the utility model not installing water inlet pipe and water pressure monitoring meter;

[0020] Figure 3 For Figure 2 The sectional view of the middle structure;

[0021] Figure 4 The sectional view of the rotating mechanism.

[0022] Reference signs: 1, cooler cylinder; 11, cooler outer sleeve; 111, first connecting piece; 112, second connecting piece; 12, cooler inner sleeve; 121, sealing ring; 13, water cavity; 14, water baffle; 141, through opening; 2, water inlet pipe; 3, water pressure monitoring meter; 4, nozzle; 5, rotating mechanism; 51, pinion; 52, gear; 53, clamping block; 54, rotating ring; 55, protective shell; 56, bearing. DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings, the drawings show several embodiments of the utility model, but the utility model can be realized by different forms, and is not limited to the embodiments described in the text, on the contrary, these embodiments are provided to make the disclosed content of the utility model more thorough and comprehensive.

[0024] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be intervening elements, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be intervening elements, the terms "vertical", "horizontal", "left", "right", and similar expressions used herein are used for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs, the terminology used in the specification of the utility model herein is for the purpose of describing specific embodiments, and is not intended to limit the utility model, the term "and / or" used herein includes any and all combinations of one or more of the associated listed items.

[0026] Embodiment: please refer to the attached Figure 1 -attached Figure 4 A cooler of a steel pipe spraying device, comprising:

[0027] The cooler barrel 1 mainly comprises two coaxially arranged cooler outer sleeve 11 and cooler inner sleeve 12, and the gap between the two is closed by the panels on both ends, the annular water cavity 13 is formed between the cooler outer sleeve 11 and the cooler inner sleeve 12, and the cylindrical cooling cavity is formed on the inner side of the cooler inner sleeve 12; the position where the cooler inner sleeve 12 contacts the panels on both ends of the cooler outer sleeve 11 is provided with an annular groove, and a sealing ring 121 is arranged in the annular groove to realize efficient sealing of the water cavity 13.

[0028] The water inlet pipe 2 is connected to the two opposite sides of the cooler barrel 1, and is in communication with the water cavity 13 for connecting the water source to input cooling water into the water cavity 13; the first connecting piece 111 for mounting the water inlet pipe 2 is connected to the cooler outer sleeve 11.

[0029] The water pressure monitoring table 3 is connected to the top of the cooler barrel 1, and the probe thereof extends into the water cavity 13 for monitoring the water pressure data in the water cavity 13; the second connecting piece 112 for mounting the water pressure monitoring table 3 is connected to the top of the cooler outer sleeve 11.

[0030] The nozzle 4 is provided with a plurality of nozzles, which are uniformly arranged on the inner side of the cooler inner sleeve 12, and the nozzle 4 is in communication with the water cavity 13 for spraying water to cool the steel pipe.

[0031] The rotating mechanism 5 comprises a rotating ring 54 sleeved on the outer side of the cooler inner sleeve 12, and the rotating ring 54 is rotatably connected to the cooler outer sleeve 11 through a bearing, the rotating ring 54 is carried on the cooler outer sleeve 11, a plurality of clamping blocks 53 are fixed on the inner side surface of the rotating ring 54 at equal intervals along the circumferential side, a clamping groove corresponding to the clamping block 53 is formed on the outer side of one end of the cooler inner sleeve 12, and the cooler inner sleeve 12 can be inserted into or pulled out of the rotating ring 54, so that the cooler inner sleeve 12 can be conveniently mounted and dismounted; the rotating ring 54 can drive the cooler inner sleeve 12 to rotate; the large gear 52 is fixedly sleeved on the rotating ring 54, the small gear 51 is arranged on the top of the large gear 52 in meshing mode, the rotating shaft is fixedly connected to the middle part of the small gear 51, and the rotating shaft is connected with a driving machine (such as a motor, not shown in the figure), so that the small gear 51 can be driven to rotate, thereby driving the large gear 52 to rotate, and the rotating ring 54 rotates, and the cooler inner sleeve 12 is driven to rotate.

[0032] In the embodiment, the cooler outer sleeve 11 is fixed with a protective shell 55 corresponding to the end side where the rotating ring 54 is located, and the rotating ring 54, the large gear 52 and the small gear 51 are arranged in the protective shell 55. A circular opening aligned with the cooler inner sleeve 12 is formed on the end surface of the protective shell 55 away from the cooler outer sleeve 11, so as to facilitate the discharge of the cooled steel pipe.

[0033] In the embodiment, 16 circles of nozzles 4 are provided in total, the number of nozzles 4 in each circle is 30, the nozzles 4 are arranged obliquely in the length direction of the cooler cylinder body 1, the included angle between the axis of the nozzles 4 and the axis of the cooler inner sleeve 12 is 60°, the angle between two adjacent nozzles 4 in the same circle is 12°±0.1°, so as to ensure that the water outlet routes of the nozzles 4 in each circle accurately converge on the axis of the cooler cylinder body 1; the spacing between every two adjacent circles of nozzles 4 is 18mm.

[0034] In application, the steel pipe spraying device is started first, water is sent into the water cavity 13 through the water inlet pipe 2, and the water is sprayed out through the nozzles 4; at the same time, the motor drives the pinion 51 to rotate, and the cooler inner sleeve 12 is driven to rotate through the sequential transmission of the gear wheel 52 and the rotating ring 54, and the nozzles 4 rotate accordingly; then the steel pipe A heated to high temperature is inserted into the central axis position of the cooling cavity, as shown in the figure, at this time, the nozzles 4 rotate uniformly around the side of the steel pipe to spray water on the steel pipe A, so that the side of the steel pipe A can comprehensively receive the water flow impact, which is beneficial to improving the uniformity of the quenching of the side of the steel pipe. Figure 1

[0035] Embodiment two: the difference between the embodiment and embodiment one is that:

[0036] In the embodiment, please refer to the attached Figure 2 and the attached Figure 3 A water baffle 14 is attached to the outer side of the cooler inner sleeve 12, and a convex edge is formed at the end of the cooler inner sleeve 12 away from the rotating ring 54, which is clamped between the water baffle 14 and the end face of the cooler outer sleeve 11; the diameter of the water baffle 14 is greater than the diameter of the convex edge, and a mounting hole is formed in the outer edge of the water baffle 14, a fixing hole aligned with the mounting hole is formed in the end face of the cooler outer sleeve 11, and the installation of the water baffle 14 can be realized by screwing a screw through the mounting hole and tightly in the fixing hole, and the cooler inner sleeve 12 can be clamped and rotated. In this way, the assembly and disassembly of the cooler are simplified.

[0037] The rest is the same as embodiment one.

[0038] The above has been described by way of example with reference to the drawings, and obviously the specific implementation of the utility model is not limited to the above manner, as long as the method concept and technical solution of the utility model are adopted for such non-essential improvements, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, which are all within the protection scope of the utility model.​

Claims

1. A cooler of a steel pipe spraying device, comprising a cooler outer sleeve (11) and a cooler inner sleeve (12), a water inlet pipe (2) is connected to the cooler outer sleeve (11), and a plurality of nozzles (4) are uniformly installed on the inner side of the cooler inner sleeve (12); characterized in that: The back side of the cooler outer sleeve (11) is provided with a rotating mechanism (5), the rotating mechanism (5) comprises a rotating ring (54) rotationally connected with the cooler outer sleeve (11) and a driving assembly for driving the rotating ring (54) to rotate, the rotating ring (54) is sleeved outside the cooler inner sleeve (12), and the rotating ring (54) is clampedly connected with the cooler inner sleeve (12).

2. A cooler for a steel pipe spraying apparatus according to claim 1, characterized in that: The driving assembly comprises a large gear (52) fixedly sleeved on the rotating ring (54), one side of the large gear (52) is provided with a small gear (51) in a meshing mode, and the middle portion of the small gear (51) is fixedly connected with a rotating shaft for connecting a driving machine.

3. A quencher for a steel pipe spraying apparatus according to claim 1, characterized in that: The outer side surface of the rotating ring (54) is rotationally connected with the cooler outer sleeve (11) through a bearing (56).

4. A quencher for a steel pipe spraying apparatus according to claim 1, characterized in that: The inner side surface of the rotating ring (54) is fixedly provided with clamping blocks (53) at equal intervals along the circumferential side, and the outer side of one end of the cooler inner sleeve (12) is provided with clamping grooves corresponding to the clamping blocks (53) and matched with the clamping blocks (53).

5. A quencher for a steel pipe spraying apparatus according to claim 1, characterized in that: The cooler outer sleeve (11) is fixedly provided with a protective shell (55) corresponding to the end side where the rotating ring (54) is located, and the rotating ring (54) and the driving assembly are arranged in the protective shell (55); and the end surface of the protective shell (55) facing away from the cooler outer sleeve (11) is provided with a circular opening aligned with the cooler inner sleeve (12).

6. A quencher for a steel pipe spraying apparatus according to claim 1, characterized in that: One end of the cooler inner sleeve (12) facing away from the rotating ring (54) is formed with a convex edge attached to the end surface of the cooler outer sleeve (11), and the outer side of the cooler inner sleeve (12) is provided with a splash plate (14) attached to the convex edge, the center of the splash plate (14) is provided with a through hole (141) for the steel pipe to pass through; the diameter of the splash plate (14) is greater than the diameter of the convex edge, and the splash plate (14) and the cooler outer sleeve (11) are fixedly connected through screws.

7. A quencher for a steel pipe spraying apparatus according to claim 1, wherein: The cooler inner sleeve (12) is provided with annular grooves at positions where the two end surfaces of the cooler outer sleeve (11) are contacted, and sealing rings (121) are arranged in the annular grooves.

8. A quencher for a steel pipe spraying apparatus according to claim 1, characterized by: The top of the cooler outer sleeve (11) is connected with a water pressure monitoring table (3).

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