Polishing device for inner wall of slender pipe

Abstract

The utility model provides a slender pipe inner wall polishing device in the field of chemical machinery. Comprising a grinding machine, a horse stool and supporting rollers, roller machines are arranged at the lower parts of the two ends of the slender pipe; a polishing wheel is arranged at the front end of the grinding machine, rotates in the slender pipe and axially slides, a supporting pipe is arranged at the rear end of the grinding machine to support the grinding machine, and a wind belt is arranged at the tail end of the supporting pipe; the horse stool is arranged at the end part of the slender pipe and is used for erecting the supporting pipe to form a supporting point for supporting the supporting pipe; the supporting roller is contained in the long and thin pipe and axially slides along with a supporting pipe of the grinding machine. The supporting roller comprises a supporting base, a supporting wheel and a bolt assembly. The supporting base lifts the supporting pipe to form another supporting point for supporting the supporting pipe, and the situation that the polishing wheel shakes due to insufficient strength of the supporting pipe is prevented; the supporting wheels are symmetrically arranged on the two sides of the lower portion of the supporting base to form a two-point fixing mode, and the supporting wheels are provided with idler wheels. The supporting base and the supporting wheel are connected through the bolt assembly to form a detachable structure. The polishing device is suitable for the inner wall of the slender pipe.

Description

Technical Field

[0001] The utility model relates to pipeline equipment in the field of chemical machinery, in particular to a polishing device for the inner wall of a slender pipe. Background Art

[0002] With the progress of the times and the innovation of technology, chemical pipeline equipment is gradually developing towards energy saving, automation and diversification. In the past, small-diameter pipeline equipment was generally short in length, and the inner wall polishing of the pipeline was done manually. However, with the increase in production capacity and the decrease in unit consumption, the length of pipeline equipment is constantly increasing without changing the diameter. Manual polishing cannot reach the middle section of the pipeline equipment, and the inner wall polishing operation is performed on the pipeline equipment with slender pipes. Summary of the invention

[0003] In order to solve the shortcomings of the prior art and to solve the problem of polishing the inner wall of a slender tube pipeline equipment, the utility model provides a slender tube inner wall polishing device. The device is provided with a support roller in the slender tube to lift the support tube, and is combined with a horse stool to form a two-point support, thereby improving the stability of the support tube, thereby ensuring the stability of the polishing wheel, and solving the technical problem of polishing the inner wall of the slender tube.

[0004] The solution adopted by the utility model to solve the technical problem is:

[0005] A device for polishing the inner wall of a slender tube comprises a grinding machine, a horse stool and a supporting roller; the grinding machine is inserted into the slender tube, and a rotating roller is arranged at the lower part of both ends of the slender tube to support the slender tube, so that the slender tube can rotate at a low and uniform speed; a polishing wheel is arranged at the front end of the grinding machine to rotate and slide axially in the slender tube, and a supporting tube is arranged at the rear end of the grinding machine to support the grinding machine, and an air belt is arranged at the end of the supporting tube; the horse stool is arranged at the end of the slender tube for erecting the supporting tube to form a supporting point for supporting the supporting tube; the supporting roller is accommodated in the slender tube and slides axially with the supporting tube of the grinding machine, including a supporting seat, a supporting wheel and a bolt assembly; the supporting seat lifts the supporting tube to form another supporting point for supporting the supporting tube to prevent the polishing wheel from shaking due to insufficient strength of the supporting tube; the supporting wheels are symmetrically arranged on both sides of the lower part of the supporting seat to form a two-point fixing method, and the supporting wheel is provided with rollers to pull the supporting seat to slide on the inner wall of the slender tube; the bolt assembly is used for screwing the supporting seat and the supporting wheel to connect the supporting seat and the supporting wheel to form a detachable structure.

[0006] In order to further solve the technical problem to be solved by the utility model, the support base provided by the utility model includes a groove, a wing plate and a foot plate;

[0007] The groove is a strip-shaped arc groove, which is used to lift the support tube; the wing plate is a strip-shaped plate, which is arranged on both sides of the groove, and is used to limit and fix the groove horizontally; the foot plate is a rectangular plate, which is arranged at the bottom of the wing plate and forms a two-point support, which is used to assemble the support wheel and make it slide on the inner wall of the slender tube.

[0008] Furthermore, the angle between the two foot plates is 60°.

[0009] Furthermore, slots are arranged on the foot plate for assembling bolt assemblies, adjusting the position between the support seat and the support wheel, and adjusting the center height of the support roller according to the wear of the polishing wheel.

[0010] Furthermore, the support roller is located 1m from the rear end of the grinding machine, forming a two-point support with the horse stool.

[0011] Positive effect, because the utility model adopts a support roller installed behind the support tube of the grinding wheel machine to move along the axial direction of the slender tube with the polishing wheel, and a horse stool is used to support the support tube at the tail end of the support tube. The slender pipeline equipment that needs to be polished is placed on the roller machine, and the inner wall surface of the slender pipeline equipment is polished in the whole range through the low-speed rotation of the roller machine and the axial movement of the polishing wheel. With the support of the support roller, the polishing wheel will not shake, and the polishing accuracy requirements are met. At the same time, slots are arranged on the foot plate of the support roller for assembling bolt assemblies. The position between the support seat and the support wheel can be adjusted through the bolt assembly, and then the center height of the support roller can be adjusted according to the wear of the polishing wheel to meet the use requirements of polishing. It is suitable for use as a polishing device for the inner wall of a slender tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0013] Figure 1 This is the front view of the present embodiment;

[0014] Figure 2 It is a side view of this embodiment;

[0015] Figure 3 is a side view of the support roller;

[0016] Figure 4 This is the front view of the support roller;

[0017] Figure 5 It is a side view of the support seat;

[0018] Figure 6 This is the front view of the support seat.

[0019] In the figure:

[0020] 100. Slender tube,

[0021] 110.Roller machine;

[0022] 200. Grinding machine,

[0023] 210. Polishing wheel,

[0024] 220. Support tube,

[0025] 230. Wind belt;

[0026] 300. Horse stool;

[0027] 400. Support roller,

[0028] 410.Support seat,

[0029] 411. Groove,

[0030] 412. Wing plate,

[0031] 413. Feet,

[0032] 4131. Slot,

[0033] 420. Support wheel,

[0034] 430. Bolt assembly. DETAILED DESCRIPTION

[0035] 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. Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the attached claims and their equivalents. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without making creative work are within the scope of protection of the utility model.

[0036] As shown in the figure, a slender tube inner wall polishing device includes a grinder 200, a horse stool 300 and a support roller 400;

[0037] The grinder 200 is inserted into the slender tube 100, and rollers 110 are provided at the lower parts of both ends of the slender tube 100 to support the slender tube 100, so that the slender tube 100 can rotate at a low and uniform speed; a polishing wheel 210 is provided at the front end of the grinder 200 to rotate and slide axially in the slender tube 100 to polish the inner wall of the slender tube 100, and a support tube 220 is provided at the rear end of the grinder 200 to support the grinder 200, and a wind belt 230 is provided at the end of the support tube 220 for transmitting wind kinetic energy;

[0038] The horse stool 300 is arranged at the end of the elongated tube 100, and is used to set up the support tube 220, forming a support point for supporting the support tube 220, and increasing the stability of the polishing wheel 210 on the grinding machine 200;

[0039] The support roller 400 is received in the elongated tube 100 and slides axially along with the support tube 220 of the grinder 200, and includes a support seat 410, a support wheel 420 and a bolt assembly 430;

[0040] The support seat 410 lifts the support tube 220 to form another support point for supporting the support tube 220, thereby preventing the polishing wheel 210 from shaking due to insufficient strength of the support tube 220;

[0041] The support wheels 420 are symmetrically arranged on both sides of the lower part of the support seat 410 to form a two-point fixing method. The support wheels 420 are provided with rollers to slide along the inner wall of the elongated tube 100 to pull the support seat 410.

[0042] The bolt assembly 430 is used to screw the support base 410 and the support wheel 420 together to form a detachable structure.

[0043] In order to ensure the stability of the structure of this embodiment, the support base 410 includes a groove 411, a wing plate 412 and a foot plate 413;

[0044] The groove 411 is a strip-shaped arc groove, used to support the support tube 220;

[0045] The wing plate 412 is a strip-shaped plate, which is arranged on both sides of the groove 411 and is used to limit and fix the groove 411 horizontally;

[0046] The foot plate 413 is a rectangular plate, which is arranged at the bottom of the wing plate 412 and forms a two-point support, and is used to assemble the support wheel 420 and make it slide on the inner wall of the slender tube 100.

[0047] In order to further ensure the stability of the structure of this embodiment, the angle between the two foot plates 413 is 60°.

[0048] The foot plate 413 is provided with slots 4131 for assembling a bolt assembly 430. The bolt assembly 430 can be used to adjust the position between the support seat 410 and the support wheel 420, and then the center height of the support roller 400 can be adjusted according to the wear of the polishing wheel 210 to meet the requirements of polishing.

[0049] In order to optimize the structure of this embodiment, the support roller 400 is located 1 m from the rear end of the grinding machine 200 , and forms a two-point support with the horse stool 300 to ensure the stability of the polishing wheel 210 .

[0050] The working process of this embodiment:

[0051] Crystallizer φ325x8.5 tube inner wall polishing:

[0052] First, the elongated tube 100 to be polished is fixed on the roller machine 110, and the elongated tube 100 is allowed to rotate at a low and uniform speed;

[0053] Secondly, the polishing wheel 210 is assembled on the grinding machine 200 and inserted into the slender tube 100. According to the wear of the polishing wheel 210, the center height of the support roller 400 is adjusted. The support roller 400 is set on the inner wall of the slender tube 100 to lift the support tube 220 of the grinding machine 200. The support roller 400 slides along with the grinding machine 200. Among them, the support roller 400 is set at 1m from the rear end of the grinding machine 200 to ensure the stability of the polishing wheel 210.

[0054] Secondly, a horse stool 300 is arranged at the end of the elongated tube 100 and the height is adjusted to set up the support tube 220 to increase the stability of the polishing wheel 210;

[0055] Finally, the wind belt 230 delivers wind pressure to drive the polishing wheel 210 to rotate for polishing. During the polishing of the inner wall of the slender tube 100, the center height of the support roller 400 is adjusted according to the wear of the polishing wheel 210 to meet the requirements of polishing.

[0056] It is worth noting that the contents not described in detail in the specification belong to the prior art known to those skilled in the art, and the model parameters of the grinding machine 200, the horse stool 300, the polishing wheel 210, the air belt 230 and the support wheel 420 are not specifically limited and can be determined using conventional equipment. In this technical solution, the electrical control components not mentioned are not shown in the figure because they belong to the prior art and will not be described here.

[0057] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to 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 utility model shall be included in the protection scope of the present utility model.

Claims

1. A device for polishing the inner wall of an elongated tube, characterized in that: include: A grinding machine (200), the grinding machine (200) being inserted into the slender tube (100), and rollers (110) being arranged at the lower parts of both ends of the slender tube (100) to support the slender tube (100), so that the slender tube (100) can rotate at a low and uniform speed; a polishing wheel (210) being arranged at the front end of the grinding machine (200) to rotate and slide axially in the slender tube (100), and a support tube (220) being arranged at the rear end of the grinding machine (200) to support the grinding machine (200), and an air belt (230) being arranged at the end of the support tube (220); A horse stool (300), the horse stool (300) being arranged at the end of the slender tube (100) and used for erecting the support tube (220) to form a support point for supporting the support tube (220); and A support roller (400), the support roller (400) being received in the elongated tube (100) and sliding axially along with the support tube (220) of the grinding machine (200), comprising a support seat (410), a support wheel (420) and a bolt assembly (430); The support seat (410) lifts the support tube (220) to form another support point for supporting the support tube (220), thereby preventing the polishing wheel (210) from shaking due to insufficient strength of the support tube (220); The support wheels (420) are symmetrically arranged on both sides of the lower part of the support seat (410) to form a two-point fixing method, and the support wheels (420) are provided with rollers to slide along the inner wall of the slender tube (100) to pull the support seat (410); The bolt assembly (430) is used to thread the support seat (410) and the support wheel (420), so as to connect the support seat (410) and the support wheel (420) to form a detachable structure.

2. The device for polishing the inner wall of an elongated tube according to claim 1, characterized in that: The support seat (410) comprises a groove (411), a wing plate (412) and a foot plate (413); The groove (411) is a strip-shaped arc groove, and is used to support the support tube (220); The wing plate (412) is a strip-shaped plate, which is arranged on both sides of the groove (411) and is used to fix the groove (411) in a horizontal position; The foot plate (413) is a rectangular plate, which is arranged at the bottom of the wing plate (412) and forms a two-point support, and is used to assemble the support wheel (420) and enable it to slide on the inner wall of the slender tube (100).

3. The device for polishing the inner wall of an elongated tube according to claim 2, characterized in that: The angle between the two foot plates (413) is 60°.

4. The device for polishing the inner wall of an elongated tube according to claim 2, characterized in that: The foot plate (413) is provided with slotted holes (4131) for assembling the bolt assembly (430), adjusting the position between the support seat (410) and the support wheel (420), and adjusting the center height of the support roller (400) according to the wear condition of the polishing wheel (210).

5. The device for polishing the inner wall of an elongated tube according to claim 1, characterized in that: The support roller (400) is located 1 m from the rear end of the grinding machine (200) and forms a two-point support with the horse stool (300).

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