CN219967351U - Grinding structure for large roller - Google Patents
Grinding structure for large roller Download PDFInfo
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- CN219967351U CN219967351U CN202320559455.1U CN202320559455U CN219967351U CN 219967351 U CN219967351 U CN 219967351U CN 202320559455 U CN202320559455 U CN 202320559455U CN 219967351 U CN219967351 U CN 219967351U
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- block
- enclasping
- grinding
- electric spindle
- clamping
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- 238000001816 cooling Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 8
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010063659 Aversion Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The utility model relates to the technical field of grinding and discloses a grinding structure for a large roller. The grinding structure provided by the utility model adopts the electric spindle as a driving element of the grinding wheel, so that the grinding processing requirement and the operation condition of a large-sized roller piece are better met. When the end of the roller is to be ground, the grinding wheel is arranged at the output end of the electric spindle, then the outer wall of the electric spindle is held tightly by the first holding block and the second holding block, then the grinding structure is lifted to the front of the tool rest, the axes of the electric spindle and the grinding wheel extend transversely, then the clamping block is placed at the tool mounting position on the tool rest, the axial height of the grinding wheel is adjusted, the axial height of the grinding wheel is equal to the axial height of the lathe spindle, the top of the clamping block is tightly pressed by the tool locking screw on the tool rest, the installation is convenient and efficient, finally the grinding wheel is driven by the electric spindle to rotate at a high speed, and the grinding processing is carried out on the bearing installation position of the roller.
Description
Technical Field
The utility model relates to the technical field of grinding, in particular to a grinding structure for a large roller.
Background
The paper industry usually uses large-scale compression rollers and stirring rollers to process paper pulp, the roller parts have large sizes (the diameter is generally larger than 1m, the length is generally longer than 8 m), so that a special lathe is required to be adopted to carry out turning processing on the paper pulp, namely, a main shaft box on a lathe is used for clamping one end of the roller part, a tail frame is used for clamping the other end of the roller part, a tool rest on a feed box is used for carrying out turning operation on the roller part after a turning tool is arranged on a tool rest on the feed box, and as the end part of the roller part is required to be provided with a bearing, a conical surface for installing the bearing is required to be processed on the end part of the roller part, and the conventional processing mode adopts the turning tool to carry out rough finishing processing, but the finally formed conical surface is rough and cannot meet the requirements of finish; in order to meet the requirements of the finish of the end of the roller, only grinding methods are used, and although the prior art provides some technical solutions for mounting the grinding structure on the tool holder of the lathe, the driving device in the adopted grinding structure is generally a grinder, and the grinder has the following disadvantages: 1. the rotating speed of the grinder is constant, and is difficult to adjust to a proper processing rotating speed; 2. during processing, radial force can be generated on a bearing in the grinder by the roller, so that the bearing is abnormal in heating, the grinder is poor in heat dissipation performance, and the grinder is easy to overheat and damage. 3. The grinding machine is complex and tedious in the disassembly and assembly process of the tool rest, and a plurality of workers are required to work cooperatively.
It can be seen that there is a need for improvements and improvements in the art.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present utility model aims to provide a grinding structure for large-sized roller, which aims to drive a grinding wheel to rotate at a high degree by adopting an electric spindle and is clamped on a tool rest of a lathe.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the grinding structure for the large roller comprises an electric spindle, a grinding wheel arranged at the output end of the electric spindle, and a first enclasping block and a second enclasping block which are arranged at the periphery of the electric spindle; the first enclasping block and the second enclasping block are connected through bolts and jointly enclasp the outer wall of the electric spindle, and clamping blocks matched with the tool rest are arranged on the side surfaces of the second enclasping block; and the interior of the electric spindle dissipates heat through a cooling device.
As an improvement of the technical scheme, a first C-shaped cavity matched with the appearance of the electric spindle is formed at one side part of the first enclasping block, and a first connecting block is fixedly connected to the top of the first enclasping block; a second C-shaped cavity matched with the electric spindle in shape is formed in one side part of the second enclasping block, a second connecting block is fixedly connected to the top of the second enclasping block, and the first connecting block and the second connecting block are provided with mounting holes and are connected through bolts.
As the improvement of the technical scheme, the inner end face of the first enclasping block is provided with a plurality of positioning columns, and the inner end face of the second enclasping block is provided with jacks which are the same in number with the positioning columns and are matched in a one-to-one correspondence manner.
As the improvement of above-mentioned technical scheme, the clamping piece includes integrated into one piece's joint portion and pressure equipment portion, the cross section of joint portion is equilateral trapezoidal and the terminal surface and the pressure equipment portion that the minor face is located are connected, the second enclasping piece is kept away from the side in second C shape chamber and is equipped with the direction spout with joint portion shape looks adaptation, the cross section of pressure equipment portion is the rectangle, the clamping piece is fixed on the second enclasping piece through locking structure.
As the improvement of the technical scheme, the locking structure comprises at least one threaded hole which transversely penetrates through the clamping blocks, a locking screw is arranged at each threaded hole, and the locking screw sequentially penetrates through the clamping portions and the press-fitting portions and then presses the second enclasping blocks to achieve locking.
As the improvement of the technical scheme, the tops of the first enclasping block and the second enclasping block are respectively provided with a hanging ring.
As an improvement of the technical scheme, the cooling device is arranged on the trolley, and a frequency converter for controlling the rotating speed of the electric spindle is further arranged on the trolley.
The utility model has the beneficial effects that: compared with the prior art, the grinding structure provided by the utility model adopts the electric spindle as the driving element of the grinding wheel, so that the grinding processing requirement and the operation condition of a large-sized roller piece are better met. When the end of the roller is to be ground, the grinding wheel is arranged at the output end of the electric spindle, then the outer wall of the electric spindle is held tightly by the first holding block and the second holding block, then the grinding structure is lifted to the front of the tool rest, the axes of the electric spindle and the grinding wheel extend transversely, then the clamping block is placed at the tool mounting position on the tool rest, the axial height of the grinding wheel is adjusted, and therefore the axial height of the grinding wheel is equal to the axial height of the lathe spindle, and the top of the clamping block is tightly pressed by the tool locking screw on the tool rest to realize locking, so that the grinding machine is convenient and efficient to install. Finally, the motorized spindle drives the grinding wheel to rotate at a high speed, and grinding processing is carried out on the bearing installation position of the roller.
Drawings
Fig. 1 is a perspective view of a grinding structure provided by the present utility model.
Fig. 2 is a perspective view of a first enclasping block provided by the present utility model.
Fig. 3 is a perspective view of a second enclasping block provided by the present utility model.
Fig. 4 is a perspective view of a clamping block provided by the utility model.
Fig. 5 is a schematic view of a grinding structure according to the present utility model when a roller is machined.
Description of main reference numerals: the grinding wheel type electric spindle comprises a 1-electric spindle, a 2-grinding wheel, a 3-first enclasping block, a 31-first C-shaped cavity, a 32-first connecting block, a 33-positioning column, a 4-second enclasping block, a 41-second C-shaped cavity, a 42-second connecting block, a 43-jack, a 44-guiding chute, a 5-clamping block, a 51-clamping part, a 52-press part, a 53-threaded hole, a 54-locking screw, a 6-lifting ring, a 71-trolley, a 72-cooling device, a 73-frequency converter, a 74-feeding box, an 8-tool rest and a 9-roller piece.
Detailed Description
The utility model provides a grinding structure for large-scale roller, which is used for making the purpose, technical scheme and effect of the utility model clearer and more definite, and the utility model is further described in detail below by referring to the accompanying drawings and examples. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1-5, the present utility model provides a grinding structure for large-sized roller, comprising an electric spindle 1, a grinding wheel 2 arranged at the output end of the electric spindle 1, and a first enclasping block 3 and a second enclasping block 4 arranged at the periphery of the electric spindle 1; the first enclasping block 3 and the second enclasping block 4 are connected through bolts and jointly enclasp the outer wall of the electric spindle 1, and clamping blocks 5 used for being matched with the tool rest 8 are arranged on the side face of the second enclasping block 4; the inside of the motorized spindle 1 is cooled by a cooling device 72.
The electric spindle is an existing driving element, can be purchased and customized directly in the market, and mainly comprises a spindle unit shell, a shell-free motor, a spindle and a bearing, and has the advantages of compact structure, light weight, high rotating speed, high power and small vibration, and the bearing has heat and wear resistance and is very suitable for the working condition of grinding, so that compared with the prior art, the electric spindle 1 is adopted as the driving element of the grinding wheel 2, and the grinding requirements and the running working condition are better met.
When the end of the roller 9 is to be ground, a turning tool on the tool rest 8 is disassembled, and the assembly of a grinding structure is finished in advance, namely, the grinding wheel 2 is installed at the output end of the electric spindle 1 in a flange fixing mode, then the outer wall of the electric spindle 1 is held tightly by the first holding block 3 and the second holding block 4, then the grinding structure provided by the utility model is lifted to the front of the tool rest 8, the axes of the electric spindle 1 and the grinding wheel 2 extend transversely, then the clamping block 5 is placed at the tool mounting position on the tool rest 8, and the axial height of the grinding wheel 2 can be adjusted by placing a gasket at the bottom of the clamping block 5, so that the axial height of the grinding wheel 2 is equal to the axial height of the lathe spindle, and the top of the clamping block 5 is tightly pressed by a tool locking screw on the tool rest 8, so that the installation is convenient and efficient. Finally, the motorized spindle 1 drives the grinding wheel 2 to rotate at a high speed, and the grinding wheel 2 approaches to/departs from the roller 9 under the drive of the feed box 74, so that the grinding wheel 2 carries out grinding processing on the bearing mounting position of the roller 9.
Specifically, a first C-shaped cavity 31 adapted to the shape of the motorized spindle 1 is formed at one side of the first enclasping block 3, and a first connecting block 32 is fixedly connected to the top of the first enclasping block 3; a second C-shaped cavity 41 matched with the electric spindle 1 in shape is formed in one side of the second enclasping block 4, a second coupling block 42 is fixedly connected to the top of the second enclasping block 4, and the first coupling block 32 and the second coupling block 42 are provided with mounting holes and are connected through bolts. The first enclasping block 3 and the second enclasping block 4 are specially used for clamping the electric spindle 1 according to the appearance design of the electric spindle 1.
Further, a plurality of positioning columns 33 are arranged on the inner end face of the first enclasping block 3, and insertion holes 43 which are the same in number and in one-to-one correspondence with the positioning columns 33 are arranged on the inner end face of the second enclasping block 4. Through setting up like this, on the one hand can be convenient for to first enclasping piece 3 and second enclasping piece 4 realize butt joint location, on the other hand prevents that first enclasping piece 3 and second enclasping piece 4 after the concatenation from taking place not hard up aversion, ensures that first enclasping piece 3 and second enclasping piece 4 connect the compactness.
In practical application, the height of clamping block 5 is adjusted through the gasket at every turn to ensure that the axis of grinding wheel 2 is equal to the axis of lathe main shaft, and is very loaded down with trivial details, needs many people to operate in coordination, consequently set up clamping block 5 into with second enclasping block 4 for split type structure, clamping block 5 includes integrated into one piece's joint portion 51 and pressure equipment portion 52, the cross section of joint portion 51 is equilateral trapezoid and the terminal surface at minor face place is connected with pressure equipment portion 52, the side that second enclasping block 4 kept away from second C shape chamber 41 is equipped with the direction spout 44 with the adaptation of joint portion 51 shape, and the cross section of direction spout 44 is the same with the cross section of pressure equipment portion 52 promptly, can avoid clamping block 5 to break away from second enclasping block 4, the cross section of pressure equipment portion 52 is rectangle. It can be understood that the initial thickness of the bottom of the press-fitting portion 52 is larger, the axis of the grinding wheel 2 is higher than the axis of the lathe spindle after the press-fitting portion 52 is mounted on the tool rest 8, and at this time, the bottom of the press-fitting portion 52 can be milled and thinned according to the height difference between the axis of the grinding wheel 2 and the axis of the lathe spindle, so that the height of the axis of the grinding wheel 2 and the axis of the lathe spindle are consistent, and the technical problem that the height of the clamping block 5 needs to be adjusted through a gasket every time the grinding structure is used is solved.
In order to prevent the clamping block 5 from sliding transversely, the clamping block 5 is fixed on the second enclasping block 4 through a locking structure, the locking structure comprises at least one threaded hole 53 which transversely penetrates through the clamping block 5, a locking screw 54 is arranged at each threaded hole 53, and the locking screw 54 sequentially penetrates through the clamping part and the press-fitting part 52 and then presses the second enclasping block 4 to realize locking.
Preferably, the tops of the first enclasping block 3 and the second enclasping block 4 are respectively provided with a hanging ring 6. The lifting rings 6 are matched with the lifting cable on the crown block, and a worker can flexibly carry the grinding structure by controlling the crown block, so that the problem of labor-consuming manual carrying is solved.
Because the electric spindle 1 can generate a large amount of heat in the electric spindle 1 when rotating at a high speed, the cooling device 72 is required to cool and dissipate heat for the stator and the bearing of the electric spindle 1, the cooling device 72 is arranged on the trolley 71, oil is conveyed through a flexible pipeline to exchange heat with the electric spindle 1, the grinding structure after finishing grinding is detached and placed on the trolley 71, the carrying and the moving are convenient, the trolley 71 is further provided with a frequency converter 73 for controlling the rotating speed of the electric spindle 1, and the rotating speed of the grinding wheel 2 can be debugged to a reasonable working condition through the frequency converter 73.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It will be understood that equivalents and modifications will occur to those skilled in the art based on the present utility model and its spirit, and all such modifications and substitutions are intended to be included within the scope of the present utility model.
Claims (7)
1. The grinding structure for the large roller is characterized by comprising an electric spindle, a grinding wheel arranged at the output end of the electric spindle, and a first enclasping block and a second enclasping block which are arranged at the periphery of the electric spindle; the first enclasping block and the second enclasping block are connected through bolts and jointly enclasp the outer wall of the electric spindle, and clamping blocks matched with the tool rest are arranged on the side surfaces of the second enclasping block; and the interior of the electric spindle dissipates heat through a cooling device.
2. The grinding structure for large-scale roller according to claim 1, wherein a first C-shaped cavity matched with the electric spindle in shape is formed at one side of the first enclasping block, and a first connecting block is fixedly connected to the top of the first enclasping block; a second C-shaped cavity matched with the electric spindle in shape is formed in one side part of the second enclasping block, a second connecting block is fixedly connected to the top of the second enclasping block, and the first connecting block and the second connecting block are provided with mounting holes and are connected through bolts.
3. The grinding structure for large-scale roller according to claim 2, wherein the inner end face of the first enclasping block is provided with a plurality of positioning columns, and the inner end face of the second enclasping block is provided with jacks which are the same in number and are matched with the positioning columns in a one-to-one correspondence manner.
4. The grinding structure for large-sized roller parts according to claim 2, wherein the clamping block comprises an integrally formed clamping portion and a press-fitting portion, the cross section of the clamping portion is of an equilateral trapezoid shape, the end face where the short side is located is connected with the press-fitting portion, the side face, far away from the second C-shaped cavity, of the second holding block is provided with a guide chute matched with the shape of the clamping portion, the cross section of the press-fitting portion is of a rectangle shape, and the clamping block is fixed on the second holding block through a locking structure.
5. The grinding structure for large-sized roll according to claim 4, wherein the locking structure comprises at least one threaded hole penetrating through the clamping block transversely, a locking screw is installed at each threaded hole, and the locking screw sequentially penetrates through the clamping portion and the press-fitting portion and then presses the second enclasping block to achieve locking.
6. The grinding structure for large-sized roller according to claim 1, wherein the tops of the first enclasping block and the second enclasping block are provided with hanging rings.
7. A grinding structure for large-sized roll members as defined in claim 1, wherein said cooling means is provided on a cart further provided with a frequency converter for controlling the rotation speed of the motorized spindle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320559455.1U CN219967351U (en) | 2023-03-20 | 2023-03-20 | Grinding structure for large roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320559455.1U CN219967351U (en) | 2023-03-20 | 2023-03-20 | Grinding structure for large roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219967351U true CN219967351U (en) | 2023-11-07 |
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ID=88581112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320559455.1U Active CN219967351U (en) | 2023-03-20 | 2023-03-20 | Grinding structure for large roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219967351U (en) |
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2023
- 2023-03-20 CN CN202320559455.1U patent/CN219967351U/en active Active
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