CN110977687B - U-shaped pipe outer surface grinding device - Google Patents
U-shaped pipe outer surface grinding device Download PDFInfo
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- CN110977687B CN110977687B CN201911203607.9A CN201911203607A CN110977687B CN 110977687 B CN110977687 B CN 110977687B CN 201911203607 A CN201911203607 A CN 201911203607A CN 110977687 B CN110977687 B CN 110977687B
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- Prior art keywords
- rotary drum
- driving mechanism
- polishing
- cavity
- grinding
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/009—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding profiled workpieces using a profiled grinding tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/04—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a polishing device for the outer surface of a U-shaped pipe, which is characterized by comprising a first driving mechanism, wherein a polishing rotary drum and a second driving mechanism are fixed on the first driving mechanism, the polishing rotary drum and the second driving mechanism reciprocate horizontally under the action of the first driving mechanism, the polishing rotary drum is axially arranged in parallel to the movement direction of the first driving mechanism, at least one sand strip for polishing the U-shaped pipe is arranged in the inner cavity of the polishing rotary drum, the sand strip is parallel to the axis of the polishing rotary drum, and the polishing rotary drum rotates around the axis of the polishing rotary drum under the action of the second driving mechanism.
Description
Technical Field
The invention relates to a grinding device for the outer surface of a U-shaped pipe.
Background
The installation of U-shaped pipe among all kinds of heat exchangers in the chemical industry equipment mainly has expanded joint and welding two kinds of modes, and before expanded joint and the welding, need polish in order to get rid of surface impurity, guarantee circularity and reach required thickness to the surface of U-shaped pipe part pipeline section to improve expanded joint and welding effect.
The traditional method is mainly that workers rotate the pipe to grind on a grinding wheel or grind by using a handheld grinding wheel or a sand belt, and the special shape of the U-shaped pipe causes the grinding devices and the method to be time-consuming, labor-consuming and low in precision.
SUMMERY OF THE UTILITY MODEL
The invention mainly aims to provide a polishing device for the outer surface of a U-shaped pipe, which overcomes the defects in the prior art and has the function of adjusting the polishing thickness according to the requirement.
In order to achieve the purpose, the invention adopts the technical scheme that:
the polishing device for the outer surface of the U-shaped pipe is characterized by comprising a first driving mechanism, wherein a polishing rotary drum and a second driving mechanism are fixed on the first driving mechanism, the polishing rotary drum and the second driving mechanism do reciprocating motion in the horizontal direction under the action of the first driving mechanism, the polishing rotary drum is axially arranged in parallel to the motion direction of the first driving mechanism, at least one sand strip used for polishing the U-shaped pipe is arranged in the inner cavity of the polishing rotary drum, the sand strip is parallel to the axis of the polishing rotary drum, and the polishing rotary drum rotates around the axis of the polishing rotary drum under the action of the second driving mechanism.
Further, first actuating mechanism includes lead screw guide and guide rail slip table of fixed mounting on the base, guide rail slip table is reciprocating motion on lead screw guide, the rotary drum of polishing and second actuating mechanism fixed mounting are in guide rail slip table upper portion.
Further, the bearing has been cup jointed to the rotary drum outside of polishing, the bearing is installed in the bearing frame, bearing frame fixed connection is on the rotary drum seat, rotary drum seat fixed connection is in guide rail slip table upper portion, the transmission of rotary drum one end is connected in second actuating mechanism polishes.
Furthermore, the second driving mechanism is a motor, a first gear is installed at the output end of the motor, a second gear is fixed on the outer cylinder wall of the polishing rotary cylinder, and the first gear and the second gear are in meshing transmission.
Further comprises an installation cylinder, the cylinder body of the installation cylinder penetrates through the wall of the grinding rotary cylinder in the radial direction and then is fixedly connected with the grinding rotary cylinder, a first cavity and a second cavity which are communicated are arranged in the mounting cylinder, the inner diameter of the first cavity is smaller than that of the second cavity, one end of the mounting cylinder, which is positioned in the second cavity, is fixedly connected with a sealing cover, the sealing cover is provided with a through hole, a connecting rod is movably inserted in the mounting cylinder, one end of the connecting rod passes through the through hole and is fixedly connected with one side of the sand bar fixing plate, the sand strip is fixedly connected with the other side of the sand strip fixing plate, the diameter of the connecting rod is matched with that of the first cavity, the connecting rod is fixedly connected with a limit baffle plate matched with the diameter of the second cavity, the rod body of the connecting rod positioned in the second cavity is sleeved with a spring, one end of the spring is tightly abutted against the bottom of the second cavity, the other end of the spring is tightly abutted against the limiting baffle, and the other end of the connecting rod penetrates out of the first cavity and is in threaded connection with a limiting sleeve.
Furthermore, the outer wall of the limiting sleeve is concavely carved with scales, the outer part of the mounting cylinder is fixedly connected with a scale indication frame, and the limiting sleeve penetrates through the scale indication frame.
Further, still including setting up in the self-centering three-jaw chuck at first actuating mechanism both ends, three-jaw chuck sets up with the rotary drum coaxial line that polishes.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the U-shaped pipe polishing machine is simple in structure, the U-shaped pipes are polished by the aid of rotation of the plurality of groups of sand bars, polishing thickness can be adjusted, and long sections of the U-shaped pipes can be conveniently and quickly polished by the aid of the reciprocating mechanism.
Drawings
FIG. 1 is a schematic cross-sectional view of the structure of the present invention.
Fig. 2 is an enlarged structural schematic diagram of the installation barrel.
Fig. 3 is a schematic view of another view angle at the installation position of the barrel.
Fig. 4 is a schematic view of a top view of the mounting barrel.
Detailed Description
As shown in fig. 1 to 4, the polishing device for the outer surface of the U-shaped tube includes a first driving mechanism 10, a polishing drum 20 and a second driving mechanism 30 are fixed on the first driving mechanism 10, the polishing drum 20 and the second driving mechanism 30 perform reciprocating motion in the horizontal direction under the action of the first driving mechanism 10, the polishing drum 20 is axially arranged in parallel to the motion direction of the first driving mechanism 10, at least one sand strip 201 (generally three strips are uniformly distributed in the polishing drum 20) for polishing the U-shaped tube is arranged in an inner cavity of the polishing drum 20, the sand strip 201 is parallel to the axis of the polishing drum 20, and the polishing drum 20 rotates around the axis thereof under the action of the second driving mechanism 30. Through in will treating the U-shaped pipe straight tube part of polishing inserting the rotary drum 20 of polishing, the second actuating mechanism output passes through gear drive for the rotary drum 20 of polishing rotates, treats the U-shaped pipe outer wall of polishing when polishing the sand bar 201 in the rotary drum 20 rotatory, and the rotary drum 20 of polishing is reciprocal along U-shaped pipe length direction and is polished under first actuating mechanism's effect, compares in artifical convenient and fast that polishes.
Further, the first driving mechanism 10 includes a screw guide 101 and a guide sliding table 102 fixedly mounted on the base, the guide sliding table 102 reciprocates on the screw guide 101, and the polishing drum 20 and the second driving mechanism 30 are fixedly mounted on the upper portion of the guide sliding table 102. The lead screw rail 101 is rotated by the drive of its drive motor, so that the rail slide table 102 reciprocates.
Further, the bearing 202 is sleeved outside the polishing rotating drum 20, the bearing 202 is installed in the bearing seat 203, the bearing seat 203 is fixedly connected to the rotating drum seat 204, the rotating drum seat 204 is fixedly connected to the upper portion of the guide rail sliding table 102, and one end of the polishing rotating drum 20 is in transmission connection with the second driving mechanism 30. The second driving mechanism 30 is a motor, a first gear 301 is installed at an output end of the motor, a second gear 205 is fixed on an outer cylinder wall of the polishing drum 20, and the first gear 301 and the second gear 205 are in meshing transmission.
Further, in order to adjust the thickness of the U-shaped pipe polished by the sand bar 201, the polishing device for the outer surface of the U-shaped pipe further comprises an installation cylinder 40, a cylinder body of the installation cylinder 40 penetrates through the cylinder wall of the polishing rotary cylinder 20 in the radial direction and is fixedly connected with the cylinder wall, a first cavity 401 and a second cavity 402 which are communicated with each other are arranged in the installation cylinder 40, the inner diameter of the first cavity 401 is smaller than that of the second cavity 402, one end of the installation cylinder 40, which is located at the second cavity 402, is fixedly connected with a sealing cover 403, the sealing cover 403 is provided with a through hole 4031, a connecting rod 404 is movably inserted in the installation cylinder 40, one end of the connecting rod 404 penetrates through a through hole 4031 and is fixedly connected with one side of a sand bar fixing plate 405, the sand bar 201 is fixedly connected with the other side of the sand bar fixing plate 405, the diameter of the connecting rod 404, a spring 408 is sleeved on the shaft of the connecting rod 404 in the second cavity 402, one end of the spring 408 abuts against the bottom of the second cavity 402, the other end abuts against the limiting baffle 4021, and the other end of the connecting rod 404 penetrates out of the first cavity 401 and then is in threaded connection with a limiting sleeve 406 (the shaft of the connecting rod 404 is provided with an external thread, and the limiting sleeve 406 is provided with an internal thread matched with the external thread). After the tube wall of the U-shaped tube is inserted into the polishing rotary drum 20, the limiting sleeve 406 is rotated to abut against the outer part of the installation cylinder 40, then the limiting sleeve 406 is rotated according to the thickness to be polished, a gap is reserved between the limiting sleeve 406 and the installation cylinder 40, and the gap is the thickness of the U-shaped tube to be polished.
Further, for the more direct-viewing thickness that polishes, the concave scale that is carved with on the spacing sleeve 406 outer wall, installation section of thick bamboo 40 outside fixedly connected with scale indication frame 407, spacing sleeve 406 passes from scale indication frame 407.
Further, in order to conveniently polish the U-shaped tubes in the same batch, the polishing device further comprises self-centering three-jaw chucks 50 arranged at two ends of the first driving mechanism 10, wherein the three-jaw chucks 50 are arranged coaxially with the polishing drum 20.
According to the specific working principle, a U-shaped pipe is supported and clamped by a U-shaped pipe support and a self-centering three-grab chuck, the U-shaped pipe extends into the middle of three sand bars, a limiting sleeve 406 is screwed to be tightly attached to an installation barrel 40, the limiting sleeve 406 is screwed back according to the thickness to be ground, the back-adjusting positions of the limiting sleeves 406 are the same (determined by a sleeve position indicated by an indication frame), in the grinding process, the sand bars 201 can always extrude the outer wall of the U-shaped pipe under the action of a spring 408, the spring gradually resets, when the limiting sleeve 406 is tightly attached to the installation barrel 40 again, the target thickness is ground, the sand bars 201 stop rubbing against the U-shaped pipe under the obstruction of the limiting sleeve 406, the left end of the sand bars 201 can be tilted by a certain radian in the design and installation, the U-shaped pipe can stably extend into the middle of the three sand bars; the frosted surface of the sand strip 201 is provided with a groove, so that the assembly by utilizing bolts is convenient. Because the relative size grinding mode is adopted, the influence of incomplete coaxial lines of the U-shaped pipe and the grinding sleeve is reduced.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
- A grinding device for the outer surface of a U-shaped pipe is characterized by comprising,the polishing device comprises a first driving mechanism (10), a polishing rotary drum (20) and a second driving mechanism (30) are fixed on the first driving mechanism (10), the polishing rotary drum (20) and the second driving mechanism (30) do reciprocating motion in the horizontal direction under the action of the first driving mechanism (10), the polishing rotary drum (20) is axially arranged in parallel with the motion direction of the first driving mechanism (10), at least one sand strip (201) used for polishing a U-shaped pipe is arranged in the inner cavity of the polishing rotary drum (20), the sand strip (201) is parallel to the axis of the polishing rotary drum (20), the polishing rotary drum (20) rotates around the axis of the polishing rotary drum under the action of the second driving mechanism (30), the polishing device further comprises an installation drum (40), the drum body of the installation drum (40) radially penetrates through the drum wall of the polishing rotary drum (20) and then is fixedly connected with the drum wall, and a first cavity (401) communicated with each other is arranged in the installation drum (40), The sand bar sand-blasting machine comprises a second cavity (402), the inner diameter of the first cavity (401) is smaller than that of the second cavity (402), the installation barrel (40) is located at one end of the second cavity (402) and is fixedly connected with a sealing cover (403), a through hole is formed in the sealing cover (403), a connecting rod (404) is movably inserted in the installation barrel (40), one end of the connecting rod (404) penetrates through the through hole (4031) and is fixedly connected with one side of a sand bar fixing plate (405), a sand bar (201) is fixedly connected with the other side of the sand bar fixing plate (405), the diameter of the connecting rod (404) is matched with that of the first cavity (401), a limiting baffle (4021) matched with the diameter of the second cavity (402) is fixedly connected onto the connecting rod (404), a spring (408) is sleeved on the rod body of the connecting rod (404) located in the second cavity (402), and one end of the spring (408), The other end of the connecting rod (404) is tightly abutted against a limiting baffle (4021), the other end of the connecting rod (404) penetrates through the first cavity (401) and then is in threaded connection with a limiting sleeve (406), scales are concavely carved on the outer wall of the limiting sleeve (406), a scale indicating frame (407) is fixedly connected to the outer part of the mounting cylinder (40), and the limiting sleeve (406) penetrates through the scale indicating frame (407).
- 2. The device for grinding the outer surface of a U-shaped pipe according to claim 1, wherein: the grinding machine is characterized in that the first driving mechanism (10) comprises a lead screw guide rail (101) and a guide rail sliding table (102) which are fixedly installed on the base, the guide rail sliding table (102) reciprocates on the lead screw guide rail (101), and the grinding rotary drum (20) and the second driving mechanism (30) are fixedly installed on the upper portion of the guide rail sliding table (102).
- 3. The device for grinding the outer surface of a U-shaped pipe according to claim 2, wherein: the grinding rotary drum (20) is externally sleeved with a bearing (202), the bearing (202) is installed in a bearing seat (203), the bearing seat (203) is fixedly connected to a rotary drum seat (204), the rotary drum seat (204) is fixedly connected to the upper portion of the guide rail sliding table (102), and one end of the grinding rotary drum (20) is in transmission connection with a second driving mechanism (30).
- 4. The device for grinding the outer surface of a U-shaped pipe according to claim 3, wherein: the second driving mechanism (30) is an electric motor, a first gear (301) is installed at the output end of the electric motor, a second gear (205) is fixed on the outer cylinder wall of the grinding rotary cylinder (20), and the first gear (301) and the second gear (205) are in meshing transmission.
- 5. The U-shaped pipe outer surface grinding device according to any one of claims 1 to 4, wherein: the self-centering three-jaw grinding machine further comprises a self-centering three-jaw chuck (50) arranged at two ends of the first driving mechanism (10), and the three-jaw chuck (50) and the grinding rotary drum (20) are arranged coaxially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911203607.9A CN110977687B (en) | 2019-11-29 | 2019-11-29 | U-shaped pipe outer surface grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911203607.9A CN110977687B (en) | 2019-11-29 | 2019-11-29 | U-shaped pipe outer surface grinding device |
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| Publication Number | Publication Date |
|---|---|
| CN110977687A CN110977687A (en) | 2020-04-10 |
| CN110977687B true CN110977687B (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911203607.9A Active CN110977687B (en) | 2019-11-29 | 2019-11-29 | U-shaped pipe outer surface grinding device |
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| CN (1) | CN110977687B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111993167B (en) * | 2020-08-03 | 2021-08-10 | 马鞍山鹏远电子科技有限公司 | Cylindrical polishing piece and sports equipment processing equipment |
| CN113305725B (en) * | 2021-06-27 | 2021-11-30 | 安徽钰鹏矿山机电设备有限公司 | Intelligent polishing equipment for outer circle of hydraulic support column pipe |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5311652A (en) * | 1992-05-26 | 1994-05-17 | Shaw Industries Ltd. | Method of improving the surface of steel pipe for corrosion resistant coating |
| CN201324997Y (en) * | 2008-12-29 | 2009-10-14 | 大连三高重工设备有限公司 | Brush distance adjustment device for derusting brush of deruster for steel tube |
| CN104191327A (en) * | 2014-08-15 | 2014-12-10 | 张家港市圣鼎源制管有限公司 | Steel pipe inner burr removing device |
| CN207564280U (en) * | 2017-11-24 | 2018-07-03 | 中铁十二局集团第二工程有限公司 | A kind of rust removing device for steel tube |
| CN208146594U (en) * | 2018-02-01 | 2018-11-27 | 天津市中通钢管有限公司 | A kind of square tube tube wall processing unit |
| CN209125548U (en) * | 2018-12-20 | 2019-07-19 | 佳木斯大学 | A kind of polishing derusting device of metal tube |
-
2019
- 2019-11-29 CN CN201911203607.9A patent/CN110977687B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5311652A (en) * | 1992-05-26 | 1994-05-17 | Shaw Industries Ltd. | Method of improving the surface of steel pipe for corrosion resistant coating |
| CN201324997Y (en) * | 2008-12-29 | 2009-10-14 | 大连三高重工设备有限公司 | Brush distance adjustment device for derusting brush of deruster for steel tube |
| CN104191327A (en) * | 2014-08-15 | 2014-12-10 | 张家港市圣鼎源制管有限公司 | Steel pipe inner burr removing device |
| CN207564280U (en) * | 2017-11-24 | 2018-07-03 | 中铁十二局集团第二工程有限公司 | A kind of rust removing device for steel tube |
| CN208146594U (en) * | 2018-02-01 | 2018-11-27 | 天津市中通钢管有限公司 | A kind of square tube tube wall processing unit |
| CN209125548U (en) * | 2018-12-20 | 2019-07-19 | 佳木斯大学 | A kind of polishing derusting device of metal tube |
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| CN110977687A (en) | 2020-04-10 |
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| PB01 | Publication | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20200410 Assignee: JIANGSU KESHENG CHEMICAL MACHINERY Co.,Ltd. Assignor: HUAIYIN INSTITUTE OF TECHNOLOGY Contract record no.: X2021980008565 Denomination of invention: Grinding device for outer surface of U-shaped pipe Granted publication date: 20210622 License type: Common License Record date: 20210830 |
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