CN101797706A - Grinding and driving mechanism of inner grinder of large-diameter cast iron pipe production line - Google Patents
Grinding and driving mechanism of inner grinder of large-diameter cast iron pipe production line Download PDFInfo
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- CN101797706A CN101797706A CN200910224739A CN200910224739A CN101797706A CN 101797706 A CN101797706 A CN 101797706A CN 200910224739 A CN200910224739 A CN 200910224739A CN 200910224739 A CN200910224739 A CN 200910224739A CN 101797706 A CN101797706 A CN 101797706A
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Abstract
The invention discloses a grinding and driving mechanism of an inner grinder of a large-diameter cast iron pipe production line. The mechanism is provided with a grinding rod shaft bracket connected to a connecting seat of the inner grinder, and a grinding rod shaft is arranged on the front part of the grinding rod shaft bracket extending into a cast iron pipe through a bearing block, wherein the axis of the grinding rod shaft is longitudinally parallel to the grinding rod shaft bracket; and a driving motor is fixed on the grinding rod shaft bracket and connected with the grinding rod shaft through a belt transmission mechanism. The adoption of the technical scheme simplifies the structure of the inner grinder, decreases the length of the grinding rod shaft and reduces the number of supporting bearing blocks of the grinding rod shaft; in addition, the weight of the equipment mechanism is lightened, and under the condition that the power of a grinding electromotor keeps unchanged, the grinding time is reduced, and the replacement period of the grinding rod shaft is prolonged, thereby reducing the inventory of spare parts, greatly improving the production efficiency and reducing the production cost.
Description
Technical field
The invention belongs to the technical field of metallurgical industry production equipment, relate to the process equipment of large-diameter cast iron pipe production line, more particularly, the present invention relates to a kind of grinding and driving mechanism of inner grinder of large-diameter cast iron pipe production line.
Background technology
In the centrifugal ball milling cast iron pipe production process, the grinding of liner material surface fineness is realized by interior grinding machine.
At present, the grinding and driving mechanism of interior grinding machine all adopts the grinding drive motors to be placed in interior the mill in the car frame, rotates by the split type long high speed of grinding bar axle drive abrasive grinding wheel of multi-point support.
For mill car in guaranteeing in the grinding process operates steadily, abrasive grinding wheel applies same grinding force to the liner material, also will adopt an auxiliary support frame of shaped steel welding to come mill bar axle is protected support.Mill structure complexity in whole, grinding force is inhomogeneous, and grinding motor effect utilization rate is low.Because grinding force is inhomogeneous and the major axis problem of beating of introducing such as multi-point support can not effectively be suppressed always, cause long mill bar axle frequently crooked, effective transmission of grinding force can't be guaranteed, and need the product technological requirement could be guaranteed through the grinding that repeatedly comes and goes.
Summary of the invention
Problem to be solved by this invention provides a kind of grinding and driving mechanism of inner grinder of large-diameter cast iron pipe production line, its objective is the power transmission arrangment of mill equipment in simplifying, and improves the grinding quality of grinding process in the cast iron pipe.
To achieve these goals, the technical scheme taked of the present invention is:
Grinding and driving mechanism of inner grinder of large-diameter cast iron pipe production line provided by the present invention, this driving mechanism comprises abrasive grinding wheel, mill bar axle and drive motors, described driving mechanism is provided with mill bar bracing strut, described mill bar bracing strut is connected on the Connection Block of interior grinding machine, described mill bar axle is installed in the front portion that described mill bar bracing strut stretches into cast iron pipe inside by bearing block, and the axis of described mill bar axle and the parallel longitudinal that grinds the bar bracing strut, described drive motors is fixed on the described mill bar bracing strut, and described drive motors is connected by belt gear with mill bar axle.
Described mill bar bracing strut is a formed steel construction.
Described Connection Block is fixed on the adjustment rack, described adjustment rack comprises two parts, wherein a part is used for fixing described Connection Block, another part places on the walking dolly of interior grinding machine, two parts of described adjustment rack connect by the distance adjustment structure, the direction of described distance adjustment is axial perpendicular to described mill bar axle, establishes the adjustment handle on this distance adjustment structure.
The walking dolly of described adjustment rack and interior grinding machine is connected and fixed as a whole by bolt, and it is placed on the fixing walking dolly guide rail, described walking dolly guide rail is parallel to the axial of described mill bar axle, described adjustment rack is installed on the walking dolly, establish a plurality of wheels on the described walking dolly, described wheel is by described walking dolly guide rail constrained motion track.
Described mill bar bracing strut is vertical along it, is provided with the reinforcement gusset.
The size of described reinforcement gusset on the body direction of interior grinding machine gets involved the size of the front end of cast iron pipe inside greater than it.
Described mill bar bracing strut is that two channel-section steels are welded as a whole side by side.
Described mill bar axle and drive motors are distributed in the both sides of described mill bar bracing strut.
On the described adjustment rack, establishing pouring weight, described balancing weight are located at the opposite direction of the described Connection Block of installation of adjustment rack.
The present invention adopts technique scheme, simplified the structure of interior grinding machine, reduce the length of mill bar axle, reduced the quantity of mill bar axle supporting bearing base, the weight saving of equipment mechanism, under the situation that the grinding motor power (output) remains unchanged, reduce the grinding time, will prolong the replacement cycle of mill bar axle simultaneously, reduced Parts Inventory, not only improve production efficiency greatly, also reduced production cost.
Description of drawings
Below expressed content of each width of cloth accompanying drawing of this specification and the mark among the figure are briefly explained:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the schematic top plan view of structure shown in Figure 1.
Be labeled as among the figure:
1, abrasive grinding wheel, 2, bearing block, 3, mill bar axle, 4, drive motors, 5, mill bar bracing strut, 6, Connection Block, 7, adjustment rack, 8, balancing weight, 9, adjust handle, 10, belt pulley, 11, strengthen gusset, 12, walking dolly, 13, the walking dolly guide rail.
The specific embodiment
Contrast accompanying drawing below, by description to embodiment, to effect and operation principle, the manufacturing process of the mutual alignment between the shape of the specific embodiment of the present invention such as related each member, structure, the each several part and annexation, each several part and manipulate method etc., be described in further detail, inventive concept of the present invention, technical scheme had more complete, accurate and deep understanding to help those skilled in the art.
The of the present invention structure expressed as Fig. 1, Fig. 2, the present invention is a kind of grinding and driving mechanism of inner grinder of large-diameter cast iron pipe production line, this driving mechanism comprises abrasive grinding wheel 1, mill bar axle 3 and drive motors 4.The grinding scope of grinding machine is that diameter is DN1200～2000mm in described, and length is the big specification cast iron pipe inwall nonmetallic coating of 6000～8000mm.
One, the present invention adopts following technical scheme for solving the problem that prior art exists:
Grinding and driving mechanism of inner grinder of large-diameter cast iron pipe production line provided by the present invention, be provided with mill bar bracing strut 5, described mill bar bracing strut 5 is connected on the Connection Block 6 of interior grinding machine, described mill bar axle 3 is installed in the front portion that described mill bar bracing strut 5 stretches into cast iron pipe inside by bearing block 2, and the axis of described mill bar axle 3 and the parallel longitudinal that grinds bar bracing strut 5, described drive motors 4 is fixed on the described mill bar bracing strut 5, and described drive motors 4 and mill bar axle 3 are connected by belt gear.
The grinding machine grinding drives transferring structure in the big specification cast iron pipe production line in novel DN1200 provided by the present invention～2000, its described mill bar bracing strut 5 is the core component of this new structure, these parts are the support grinding power drive mechanism both, is keeping being rigidly connected reliably with interior grinding machine adjustment rack 7 again.
Above-described mill bar axle 3 is that the long 1450mm of being, a material are the minor axis of 45 steel.Because its suspension is installed in the front end of mill bar bracing strut 5, and is the critical piece of power transmission, thus when requiring it to satisfy mechanical property, must reduce sole mass as much as possible, to alleviate the cantilever force of mill bar bracing strut 5.
Above-mentioned mill bar axle 3 is hung by 2 bearing blocks 2 and is fixed on the mill bar bracing strut 5.
Bearing block 2 want to realize small radially, axially adjust, alleviating the impact of grinding vibrations to total, reduction simultaneously grind bar axle 3 bend, turn round stressed.
Adopt technique scheme, simplified the structure of interior grinding machine, reduce the length of mill bar axle 3, reduced the quantity of mill bar axle supporting bearing base 2, the weight saving of equipment mechanism, under the situation that grinding drive motors 4 power remain unchanged, reduce the grinding time, will prolong the replacement cycle of mill bar axle 3 simultaneously, reduced Parts Inventory, not only improve production efficiency greatly, also reduced production cost.
Said structure proves through actual tests: the structure after the simplification, and mill bar axle 3 length have reduced about 83%; Reduce 2 of mill bar axle supporting bearing base; Equipment mechanism has alleviated about 15%, under the situation that grinding motor 3 power remain unchanged, reduced the grinding time of at least 2 strokes, prolong the cycle time that will change mill bar axle 3 simultaneously in the past greatly, therefore reduced Parts Inventory, not only improve production efficiency greatly, also reduced production cost.
Two, the grinding power drive mechanism adopts technical scheme:
It is 15 kilowatts that drive motors 4 adopts power, and output speed is that the asynchronous motor of 1480rpm is a power source, by the band drive mechanism, outputting power is reached on the mill bar axle 3.
Belt transmission system adopts two belt pulleys 10 and a belt to form, and a belt pulley 10 is installed in the output of drive motor 3, and a belt pulley 10 is installed in the end of mill bar axle 3.
Three, the technical scheme of mill bar bracing strut 5 structures:
Mill bar bracing strut 5 of the present invention is a formed steel construction.Its concrete grammar is:
Above-described mill bar bracing strut 5 is that two channel-section steels are welded as a whole side by side.That is:
Above-described mill bar bracing strut 5 adopts two to calculate the channel-section steel of typing really number through mechanical properties, need be by the connecting plate structure that is welded as a whole according to equipment.
Its structure is: described mill bar bracing strut 5 structures are two and longly are the channel-section steel of 9000mm, through 8 (upper and lower each 4) connecting plates of 100 * 100 * 10mm it are welded as a whole.
Four, Connection Block 6 and the structure of adjusting:
Connection Block 6 of the present invention is fixed on the adjustment rack 7, described adjustment rack 7 comprises two parts, wherein a part is used for fixing described Connection Block 6, another part places on the body of interior grinding machine, two parts of described adjustment rack 7 connect by the distance adjustment structure, the direction of described distance adjustment is axial perpendicular to described mill bar axle 3, establishes on this distance adjustment structure and adjusts handle 9.
Above-described Connection Block 6 is installed on the adjustment rack 7, is the key that guarantees that mill bar bracing strut 5 and adjustment rack 7 keep good rigidity to be connected; Grinding machine walking on the dolly 12 in described balancing weight 8 and adjustment handle 9 and adjustment rack 7 were installed in.
Adjust the radial feed motion that handle 9 is used to adjust abrasive grinding wheel 1.
Five, interior grinding machine walking mechanism:
The walking dolly of adjustment rack 7 of the present invention and interior grinding machine is connected and fixed as a whole by bolt, and it is placed on the fixing walking dolly guide rail 13.
Above-mentioned interior grinding machine establish many parallel walking dolly guide rails 13, described walking dolly guide rail 13 is parallel to the axial of described mill bar axle 3, described adjustment rack 7 is installed on the walking dolly 12, establish a plurality of wheels on the described walking dolly 12, described wheel is by described walking dolly guide rail 13 constrained motion tracks.
Owing to adopted said structure, realized the axial feed motion of grinding machine head.That is: walking dolly 12 in 13 motions of walking vehicle guide, keeps its straight-line accuracy by wheel.
Six, reinforcement plate structure:
Mill bar bracing strut 5 of the present invention is vertical along it, is provided with to strengthen gusset 11.
The upper end of every channel-section steel is welded with the reinforcement gusset 11 that is about 7000mm.That is: in order to reduce the vibrations that the long cantilever supporting construction causes in the grinding process, directly over channel-section steel, be welded with elongated reinforcement gusset 11, its integral body carried out rigidity strengthen handling.
The size of reinforcement gusset 11 of the present invention on the body direction of interior grinding machine gets involved the size of the front end of cast iron pipe inside greater than it.
Seven, the plan of establishment of mill bar axle and drive motors:
Mill bar axle 3 of the present invention and drive motors 4 are distributed in the both sides of described mill bar bracing strut 5.
As shown in Figure 1, grinding power drive mechanism wherein is positioned at the upper and lower both sides of mill bar bracing strut 5 front ends, and promptly drive motors 4 is located at the upside of mill bar bracing strut 5; Mill bar axle 3 is located at the downside of mill bar bracing strut 5.
Eight, counterweight block structure:
On the adjustment rack 7 of the present invention, establishing pouring weight 8, the opposite direction of the described Connection Block 6 of installation that described balancing weight 8 is located at adjustment rack 7.
Length is bigger because mill bar bracing strut 5 and mill bar axle 3 overhang, so, adopt balancing weight 8 to realize its balance in the horizontal direction, avoid because of excessive produce inclination, the vibration of overhanging.
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or design of the present invention and technical scheme are directly applied to other occasion without improving, all within protection scope of the present invention.
Claims (9)
1. grinding and driving mechanism of inner grinder of large-diameter cast iron pipe production line, this driving mechanism comprises abrasive grinding wheel (1), mill bar axle (3) and drive motors (4), it is characterized in that: described driving mechanism is provided with mill bar bracing strut (5), described mill bar bracing strut (5) is connected on the Connection Block (6) of interior grinding machine, described mill bar axle (3) is installed in the front portion that described mill bar bracing strut (5) stretches into cast iron pipe inside by bearing block (2), and the axis of described mill bar axle (3) and the parallel longitudinal that grinds bar bracing strut (5), described drive motors (4) is fixed on the described mill bar bracing strut (5), and described drive motors (4) is connected by belt gear with mill bar axle (3).
2. according to the described grinding and driving mechanism of inner grinder of large-diameter cast iron pipe production line of claim 1, it is characterized in that: described mill bar bracing strut (5) is a formed steel construction.
3. according to claim 1 or 2 described grinding and driving mechanism of inner grinder of large-diameter cast iron pipe production line, it is characterized in that: described Connection Block (6) is fixed on the adjustment rack (7), described adjustment rack (7) comprises two parts, wherein a part is used for fixing described Connection Block (6), another part places on the walking dolly of interior grinding machine, two parts of described adjustment rack (7) connect by the distance adjustment structure, the direction of described distance adjustment is axial perpendicular to described mill bar axle (3), establishes on this distance adjustment structure and adjusts handle (9).
4. according to the described grinding and driving mechanism of inner grinder of large-diameter cast iron pipe production line of claim 3, it is characterized in that: the body of grinding machine has parallel many walking dolly guide rails (13) in described, described adjustment rack (7) is connected and fixed as a whole with the walking dolly of interior grinding machine by bolt, and it is placed on the fixing walking dolly guide rail (13): described walking dolly guide rail (13) be parallel to described mill bar axle (3) axially, described adjustment rack (7) is installed on the walking dolly (12), described walking dolly is established a plurality of wheels on (12), and described wheel is by described walking dolly guide rail (13) constrained motion track.
5. according to claim 1 or 2 or 4 described grinding and driving mechanism of inner grinder of large-diameter cast iron pipe production line, it is characterized in that: described mill bar bracing strut (5) is vertical along it, is provided with to strengthen gusset (11).
6. according to the described grinding and driving mechanism of inner grinder of large-diameter cast iron pipe production line of claim 5, it is characterized in that: the size of described reinforcement gusset (11) on the body direction of interior grinding machine, get involved the size of the front end of cast iron pipe inside greater than it.
7. according to the described grinding and driving mechanism of inner grinder of large-diameter cast iron pipe production line of claim 2, it is characterized in that: described mill bar bracing strut (5) is that two channel-section steels are welded as a whole side by side.
8. according to claim 1 or 2 or 4 or 6 described grinding and driving mechanism of inner grinder of large-diameter cast iron pipe production line, it is characterized in that: described mill bar axle (3) and drive motors (4) are distributed in the both sides of described mill bar bracing strut (5).
9. according to the described grinding and driving mechanism of inner grinder of large-diameter cast iron pipe production line of claim 3, it is characterized in that: on the described adjustment rack (7), establishing pouring weight (8), described balancing weight (8) are located at the opposite direction of the described Connection Block of installation (6) of adjustment rack (7).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910224739XA CN101797706B (en) | 2009-11-12 | 2009-11-12 | Grinding and driving mechanism of inner grinder of large-diameter cast iron pipe production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910224739XA CN101797706B (en) | 2009-11-12 | 2009-11-12 | Grinding and driving mechanism of inner grinder of large-diameter cast iron pipe production line |
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| CN101797706A true CN101797706A (en) | 2010-08-11 |
| CN101797706B CN101797706B (en) | 2012-02-15 |
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| CN200910224739XA Active CN101797706B (en) | 2009-11-12 | 2009-11-12 | Grinding and driving mechanism of inner grinder of large-diameter cast iron pipe production line |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343534A (en) * | 2011-09-23 | 2012-02-08 | 新兴河北工程技术有限公司 | Grinding machine for inner wall of nodular cast iron pipe |
| CN102765019A (en) * | 2012-07-30 | 2012-11-07 | 中材科技（南通）有限公司 | Steel pipe internal wall polishing device capable of adjusting position of polishing head |
| CN103056734A (en) * | 2012-12-26 | 2013-04-24 | 山西光华铸管有限公司 | Casting pipe cement lining grinding unit |
| CN105021018A (en) * | 2015-08-19 | 2015-11-04 | 苏州市宏业灯具设备有限公司 | Inner cavity drying device of LED street lamp pole |
| CN112171402A (en) * | 2020-09-29 | 2021-01-05 | 河南汇丰管业有限公司 | Inner grinding machine for steel pipe |
| CN113814859A (en) * | 2021-09-29 | 2021-12-21 | 四川省川磨岷机联合数控机器股份有限公司 | Large-span single-arm grinding machine |
| CN114762942A (en) * | 2022-04-19 | 2022-07-19 | 山东沂水机床厂有限公司 | Horizontal machine tool and method for machining large-diameter pipeline |
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2009
- 2009-11-12 CN CN200910224739XA patent/CN101797706B/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343534A (en) * | 2011-09-23 | 2012-02-08 | 新兴河北工程技术有限公司 | Grinding machine for inner wall of nodular cast iron pipe |
| CN102765019A (en) * | 2012-07-30 | 2012-11-07 | 中材科技（南通）有限公司 | Steel pipe internal wall polishing device capable of adjusting position of polishing head |
| CN103056734A (en) * | 2012-12-26 | 2013-04-24 | 山西光华铸管有限公司 | Casting pipe cement lining grinding unit |
| CN105021018A (en) * | 2015-08-19 | 2015-11-04 | 苏州市宏业灯具设备有限公司 | Inner cavity drying device of LED street lamp pole |
| CN105021018B (en) * | 2015-08-19 | 2018-04-24 | 王宝兰 | The inner cavity drying unit of LED street lamp lamp stand |
| CN112171402A (en) * | 2020-09-29 | 2021-01-05 | 河南汇丰管业有限公司 | Inner grinding machine for steel pipe |
| CN112171402B (en) * | 2020-09-29 | 2022-04-15 | 河南汇丰管业有限公司 | Inner grinding machine for steel pipe |
| CN113814859A (en) * | 2021-09-29 | 2021-12-21 | 四川省川磨岷机联合数控机器股份有限公司 | Large-span single-arm grinding machine |
| CN113814859B (en) * | 2021-09-29 | 2023-02-24 | 四川省川磨岷机联合数控机器股份有限公司 | Large-span single-arm grinding machine |
| CN114762942A (en) * | 2022-04-19 | 2022-07-19 | 山东沂水机床厂有限公司 | Horizontal machine tool and method for machining large-diameter pipeline |
| CN114762942B (en) * | 2022-04-19 | 2023-04-11 | 山东沂水机床厂有限公司 | Horizontal machine tool and method for machining large-diameter pipeline |
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| CN101797706B (en) | 2012-02-15 |
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