CN218427315U - Grinding rod structure for steel pipe internal grinding machine - Google Patents
Grinding rod structure for steel pipe internal grinding machine Download PDFInfo
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- CN218427315U CN218427315U CN202222423239.2U CN202222423239U CN218427315U CN 218427315 U CN218427315 U CN 218427315U CN 202222423239 U CN202222423239 U CN 202222423239U CN 218427315 U CN218427315 U CN 218427315U
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Abstract
The utility model discloses an interior mill unit technical field's a grinding pin structure for steel pipe interior finishing machine, including the grinding pin, the coaxial bearing installation cavity that is equipped with on the grinding pin, steel wire flexible axle installation cavity, the bearing installation cavity, the perforation that has a through-hole form between the steel wire flexible axle installation cavity, be equipped with the liquid runner along its axial in the grinding pin, and the one end that the bearing installation cavity was kept away from to the grinding pin is equipped with the pipe connector mouth that link up with the liquid runner, the other end of grinding pin is equipped with the intercommunicating pore that link up the liquid runner, the cover is equipped with the hydrojet seat on the grinding pin, the coaxial reservoir chamber that is linked together with the intercommunicating pore of seting pore that holds is seted up in the hydrojet seat's the outer fringe a plurality of and hold the hydrojet hole that the liquid chamber communicates. The chip liquid enters the liquid storage cavity through the communicating hole and then is sprayed to the inner surface of the steel pipe through the liquid spraying hole so as to fill the chip liquid at the grinding position of the grinding wheel, the roughness of the grinding position of the steel pipe is reduced, the smoothness is improved, the abrasion of the grinding wheel is reduced, and the chip liquid filling position and the grinding wheel position are kept relatively fixed.
Description
Technical Field
The utility model relates to an interior mill unit technical field specifically is a repaiies mill in steel pipe and uses grinding pin structure.
Background
The grinding of the inner surface of the steel pipe is one of essential production procedures in modern steel pipe production, and the grinding is mainly used for correcting iron scales, defects, dimensional errors and the like generated in the rolling process of the inner surface of a finished steel pipe, so that the overall mechanical performance, the inner surface quality and the wall thickness of the steel pipe are controlled within a normal dimensional tolerance range. At present, the treatment modes of the inner surface of a steel pipe with the length of more than 3m at home and abroad mainly comprise two types: and (1) performing shot blasting or sand blasting treatment. High-hardness steel shots or steel sands are thrown on the inner surface of the steel pipe at a high speed by utilizing high-pressure gas or a special electric throwing head so as to achieve the effect of cleaning the inner surface of the steel pipe. And (2) carrying out grinding treatment. The grinding wheel rotating at high speed is used for grinding the inner hole of the steel pipe, and an internal grinding machine is generally used for grinding. The internal grinding machine is characterized in that the grinding wheel is installed on the grinding wheel installation rod, the grinding wheel installation rod is connected to the grinding rod in a rotating mode through a bearing, a steel wire flexible shaft penetrates through the grinding rod, the steel wire flexible shaft is connected with the grinding wheel installation rod, the steel wire flexible shaft is driven to rotate through the motor, the grinding wheel is driven to rotate, and the purpose that the grinding wheel grinds the inner surface of the steel pipe is achieved.
When the grinding wheel in the prior art is used for grinding, the length of the grinding rod is usually long, and a cutting fluid pipeline in the prior art cannot move to the inside of the steel pipe along with the grinding rod, so that cutting fluid cannot be added to the grinding position of the grinding wheel, the loss of the grinding wheel is large, and the phenomenon of large roughness is easily caused due to the fact that the inner surface of the steel pipe is lack of the cutting fluid.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a steel pipe is grinding pin structure for internal repair mill, for solving the above-mentioned technical problem, the utility model provides a following technical scheme:
the utility model provides a: the grinding rod structure for the steel pipe internal grinding machine comprises a grinding rod, wherein a bearing installation cavity and a steel wire flexible shaft installation cavity are coaxially arranged on the grinding rod, a through hole in a through hole form is formed between the bearing installation cavity and the steel wire flexible shaft installation cavity, a liquid flow channel is arranged in the grinding rod along the axial direction of the grinding rod, a pipe joint communicated with the liquid flow channel is arranged at one end, away from the bearing installation cavity, of the grinding rod, a communication hole communicated with the liquid flow channel is formed in the other end of the grinding rod, a liquid spraying seat is sleeved on the grinding rod, a liquid storage cavity communicated with the communication hole is coaxially formed in the liquid spraying seat, and a plurality of liquid spraying holes communicated with the liquid storage cavity are formed in the outer edge of the liquid spraying seat.
In the grinding rod structure for the steel pipe internal grinding machine, the bearing is installed in the bearing installation cavity, the grinding wheel installation rod penetrates through the bearing, and the grinding wheel is installed at one end, exposed out of the bearing, of the grinding wheel installation rod.
In the grinding rod structure for the steel pipe internal grinding machine, the end face of the grinding rod is detachably connected with the end cover, the end cover is provided with an avoiding groove, and the inner diameter of the avoiding groove is larger than the diameter of the inner ring of the bearing.
In the grinding rod structure for the steel pipe internal grinding machine, the grinding rod is sleeved with the stop ring, the grinding rod is further sleeved with the threaded ring in a threaded manner, and an installation space for installing the liquid spraying seat is defined between the threaded ring and the stop ring.
In the grinding rod structure for the steel pipe internal grinding machine, two sealing rings are arranged between the liquid spraying seat and the outer wall of the grinding rod.
Compared with the prior art, the beneficial effects of the utility model are that: the chip liquid enters the liquid storage cavity through the communicating hole and then is sprayed to the inner surface of the steel pipe through the liquid spraying hole so as to fill the chip liquid at the grinding position of the grinding wheel, the roughness of the grinding position of the steel pipe is reduced, the smoothness is improved, the abrasion of the grinding wheel is reduced, and the chip liquid filling position and the grinding wheel position are kept relatively fixed.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of an assembly structure of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a schematic structural view of the liquid spraying base of the present invention.
In the figure: 1-pipe interface, 2-grinding rod, 3-liquid flow channel, 4-bearing, 5-end cover, 6-grinding wheel, 7-grinding wheel mounting rod, 8-avoidance groove, 9-bearing mounting cavity, 10-steel wire flexible shaft mounting cavity, 11-communication hole, 12-stop ring, 13-sealing ring, 14-liquid storage cavity, 15-liquid spraying hole and 16-liquid spraying seat.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Examples
As shown in fig. 1-3, the present embodiment provides a technical solution: a grinding rod structure for a steel pipe internal repair grinding machine comprises a grinding rod 2, wherein the grinding rod 2 is installed on an internal grinding machine, a bearing installation cavity 9 and a steel wire flexible shaft installation cavity 10 are coaxially arranged on the grinding rod 2, a through hole type perforation is formed between the bearing installation cavity 9 and the steel wire flexible shaft installation cavity 10, a bearing 4 is installed in the bearing installation cavity 9, a grinding wheel installation rod 7 is installed on the bearing 4 in a penetrating mode, a grinding wheel 6 is installed at one end, exposed out of the bearing 4, of the grinding wheel installation rod 7, an end cover 5 is detachably connected to the end face of the grinding rod 2, a avoiding groove 8 is formed in the end cover 5, the inner diameter of the avoiding groove 8 is larger than the diameter of an inner ring of the bearing 4, therefore, the end face of the end cover 5 cannot interfere rotation of the bearing 4, normal rotation of the grinding wheel installation rod 7 is guaranteed, a steel wire flexible shaft is installed in the steel wire flexible shaft installation cavity 10, one end of the grinding wheel installation rod 7 penetrates through the perforation to the steel wire flexible shaft installation cavity 10, one end of the steel wire flexible shaft is coaxially connected with the grinding wheel installation rod, the other end of the steel wire flexible shaft is connected with an external grinding motor through a coupler, the grinding motor rotates to drive the steel wire flexible shaft to rotate so as to drive a grinding wheel to rotate, the steel pipe is sleeved on the grinding rod, the grinding wheel can grind the inner surface of the steel pipe along with the continuous sleeving process, a liquid channel 3 is arranged in the grinding rod 2 along the axial direction of the grinding rod, the fluid channel 3 can be formed by processing a die, a pipe joint 1 communicated with the liquid channel 3 is arranged at one end of the grinding rod 2 away from the bearing installation cavity 9, chip liquid is conveyed into the liquid channel 3 through the pipe joint 1 by an external chip liquid conveying pump, a communicating hole 11 communicated with the liquid channel 3 is arranged at the other end of the grinding rod 2, a liquid spray seat 16 is sleeved on the grinding rod 2, a liquid storage cavity 14 communicated with the communicating hole 11 is coaxially arranged in the liquid spray seat 16, a plurality of liquid spray holes 15 communicated with the liquid storage cavity 14 are arranged on the outer edge of the liquid spray seat 16, the cutting fluid enters the liquid storage cavity 14 from the communication hole 11 and is sprayed to the inner surface of the steel pipe through the liquid spraying hole so as to fill the cutting fluid at the grinding position of the grinding wheel, the roughness of the grinding position of the steel pipe is reduced, the smoothness is improved, the abrasion of the grinding wheel is reduced, and the filling position of the cutting fluid and the position of the grinding wheel are kept relatively fixed.
In this embodiment, the grinding rod 2 is sleeved with the stop ring 12, and the grinding rod is further sleeved with the threaded ring 17, an installation space for installing the liquid spraying seat 16 is defined between the threaded ring 17 and the stop ring 12, the liquid spraying seat 16 can freely slide on the grinding rod, and the liquid spraying seat is disassembled to clean and dredge the inside of the liquid spraying seat, so that when the liquid spraying hole 15 is prevented from being blocked by sediment in cutting liquid, the threaded ring 17 is manually rotated firstly, the threaded ring 17 is far away from the stop ring 12, and the liquid spraying seat 16 can be disassembled from the grinding rod for cleaning.
Two sealing rings 13 are arranged between the liquid spraying seat 16 and the outer wall of the grinding rod 2, and the sealing effect of the liquid spraying seat 16 and the outer wall of the grinding rod 2 is good by arranging the sealing rings 13, specifically, an annular clamping groove is arranged on the inner hole wall of the liquid spraying seat 16 and the outer wall of the grinding rod, and the sealing rings are clamped in the clamping groove, so that the installation of the sealing rings is realized.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The grinding rod structure for the steel pipe internal grinding machine is characterized by comprising a grinding rod (2), wherein a bearing installation cavity (9) and a steel wire flexible shaft installation cavity (10) are coaxially arranged on the grinding rod (2), a through hole in a through hole form is formed between the bearing installation cavity (9) and the steel wire flexible shaft installation cavity (10), a liquid flow channel (3) is arranged in the grinding rod (2) along the axial direction of the grinding rod, a pipe joint (1) communicated with the liquid flow channel (3) is arranged at one end, away from the bearing installation cavity (9), of the grinding rod (2), a communication hole (11) communicated with the liquid flow channel (3) is formed in the other end of the grinding rod (2), a liquid spraying seat (16) is sleeved on the grinding rod (2), a liquid storage cavity (14) communicated with the communication hole (11) is coaxially formed in the liquid spraying seat (16), and a plurality of liquid spraying holes (15) communicated with the liquid storage cavity (14) are formed in the outer edge of the liquid spraying seat (16).
2. The grinding rod structure for the steel pipe internal grinding machine according to claim 1, wherein the bearing mounting chamber (9) is provided with a bearing (4), the bearing (4) is provided with a grinding wheel mounting rod (7) in a penetrating manner, and one end of the grinding wheel mounting rod (7) exposed out of the bearing (4) is provided with a grinding wheel (6).
3. The grinding rod structure for the steel pipe internal grinding machine according to claim 2, characterized in that the end surface of the grinding rod (2) is detachably connected with an end cover (5), the end cover (5) is provided with an avoiding groove (8), and the inner diameter of the avoiding groove (8) is larger than the diameter of the inner ring of the bearing (4).
4. The grinding rod structure for the steel pipe internal grinding machine according to claim 1, characterized in that a stop ring (12) is sleeved on the grinding rod (2), a threaded ring (17) is further sleeved on the grinding rod in a threaded manner, and a mounting space for mounting the liquid spraying base (16) is defined between the threaded ring (17) and the stop ring (12).
5. The grinding rod structure for the steel tube internal grinding machine according to claim 1, characterized in that two sealing rings (13) are arranged between the liquid spraying seat (16) and the outer wall of the grinding rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222423239.2U CN218427315U (en) | 2022-09-14 | 2022-09-14 | Grinding rod structure for steel pipe internal grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222423239.2U CN218427315U (en) | 2022-09-14 | 2022-09-14 | Grinding rod structure for steel pipe internal grinding machine |
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| Publication Number | Publication Date |
|---|---|
| CN218427315U true CN218427315U (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222423239.2U Active CN218427315U (en) | 2022-09-14 | 2022-09-14 | Grinding rod structure for steel pipe internal grinding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117840834A (en) * | 2024-03-08 | 2024-04-09 | 山东大业股份有限公司 | Tire bead wire surface roughness improves equipment |
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2022
- 2022-09-14 CN CN202222423239.2U patent/CN218427315U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117840834A (en) * | 2024-03-08 | 2024-04-09 | 山东大业股份有限公司 | Tire bead wire surface roughness improves equipment |
| CN117840834B (en) * | 2024-03-08 | 2024-06-07 | 山东大业股份有限公司 | Tire bead wire surface roughness improves equipment |
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