CN112192416A - Rail cutting grinding wheel and preparation method thereof - Google Patents
Rail cutting grinding wheel and preparation method thereof Download PDFInfo
- Publication number
- CN112192416A CN112192416A CN202010932769.2A CN202010932769A CN112192416A CN 112192416 A CN112192416 A CN 112192416A CN 202010932769 A CN202010932769 A CN 202010932769A CN 112192416 A CN112192416 A CN 112192416A
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- Prior art keywords
- feeding
- slide rail
- linear slide
- grinding wheel
- supporting seat
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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
- B24B27/00—Other grinding machines or devices
- B24B27/06—Grinders for cutting-off
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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
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0045—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for by stacking sheets of abrasive material
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
- E01B31/02—Working rail or other metal track components on the spot
- E01B31/04—Sectioning or slitting, e.g. by sawing, shearing, flame-cutting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a track cutting grinding wheel and a preparation method thereof, wherein a linear slide rail is arranged at the bottom of a track and is embedded into the ground at an included angle of 90 degrees with the length direction of the track, a first limiting clamping jaw and a second limiting clamping jaw are respectively fixed by a first locking pin and a second locking pin in a threaded manner to keep the linear slide rail perpendicular to the track, a feed sliding block and a T-shaped limiting block are arranged at the bottom of a supporting seat in a threaded manner, the T-shaped limiting block is matched with a T-shaped groove of the linear slide rail, so that the feed sliding block and the linear slide rail slide more stably without lateral deviation, the feed sliding block is driven to slide linearly by the rotation of a feed ball screw rod and the feed sliding block, and a grinding wheel is driven to contact with the track at a perpendicular angle and feed in a linear direction is kept, so that the grinding wheel has better cutting effect on the track.
Description
Technical Field
The invention relates to the field of rail cutting grinding wheels in railway construction and rush repair, in particular to a rail cutting grinding wheel and a preparation method thereof.
Background
At present, in the railway construction and repair process, the prior track cutting grinding wheel has the defects of long cutting time, short service life and difficulty in field construction, and particularly the short-time cutting is difficult to finish in a limited time.
The existing track cutting grinding wheel is manually adjusted in angle, so that the included angle between a track and a cutting grinding wheel piece is kept vertical, but the error rate of manually adjusting the angle is high, and the cutting yield of the track is low.
Disclosure of Invention
The invention aims to provide a track cutting grinding wheel and a preparation method thereof, and aims to solve the technical problems that in the prior art, the angle of the track cutting grinding wheel is adjusted manually so as to keep the included angle between a track and a cutting grinding wheel vertical, but the error rate of manually adjusting the angle is high, and the track cutting yield is low.
In order to achieve the purpose, the track cutting grinding wheel adopted by the invention comprises a grinding wheel piece, a supporting seat and a connecting device; the supporting seat is rotationally connected with the grinding wheel and is positioned on the outer side of the grinding wheel; the connecting device comprises a linear slide rail, a first limiting clamping jaw, a second limiting clamping jaw, a first locking pin, a second locking pin and a feeding assembly, the linear slide rail is connected with the supporting seat in a sliding manner and is positioned at one side of the supporting seat far away from the grinding wheel, the linear slide rail is provided with a feeding chute and a limiting chute, the feeding chute is positioned at one side of the linear slide rail close to the supporting seat and is matched with the supporting seat, the limiting chute is positioned at one side of the linear slide rail close to the feeding chute, the first limiting clamping jaw is connected with the linear slide rail in a sliding manner and is positioned inside the limiting chute, the second limiting clamping jaw is connected with the linear slide rail in a sliding manner and is positioned at one side of the limiting chute far away from the first limiting clamping jaw, the first locking pin is detachably connected with the linear slide rail and is detachably connected with the first limiting clamping jaw, the second locking pin is detachably connected with the linear slide rail, detachably connected with the second limiting clamping jaw and positioned on one side of the linear slide rail, which is close to the second limiting clamping jaw; the feeding assembly comprises a feeding slider, a T-shaped limiting block and a feeding ball screw, the feeding slider is connected with the linear slide rail in a sliding mode and is fixedly connected with the supporting seat and located in the feeding sliding groove, the T-shaped limiting block is fixedly connected with the feeding slider and is connected with the linear slide rail in a sliding mode and located on one side of the linear slide rail, the feeding ball screw is connected with the linear slide rail in a fixed mode and is connected with the feeding slider in a rotating mode and located on one side of the feeding slider.
The feeding ball screw comprises a feeding screw rod and a screw rod driving motor, the feeding screw rod is rotatably connected with the linear slide rail, is rotatably connected with the feeding slide block and is positioned in the feeding chute; the screw driving motor is fixedly connected with the linear slide rail, an output shaft is fixedly connected with the feeding screw rod, and the screw driving motor is positioned on one side of the linear slide rail, which is close to the feeding screw rod.
The linear slide rail is provided with a T-shaped groove, the T-shaped groove is located on one side, close to the T-shaped limiting block, of the linear slide rail, is matched with the T-shaped limiting block and is located on one side, close to the T-shaped limiting block, of the linear slide rail.
The supporting seat is provided with an accommodating cavity, the accommodating cavity is located on one side, close to the grinding wheel, of the supporting seat, and the grinding wheel is located in the accommodating cavity.
The feeding assembly further comprises a stabilizing bearing, the stabilizing bearing is fixedly connected with the grinding wheel and rotatably connected with the supporting seat, and the stabilizing bearing is located between the grinding wheel and the supporting seat.
The invention also comprises a preparation method of the rail cutting grinding wheel, which comprises the following steps:
adding abrasive and resin liquid into a container, stirring, adding carbon black, gypsum and cryolite, stirring, and adding resin powder;
filtering the solid crystals by using a filter sieve, and cooling and forming the filtered mixed material;
measuring the appearance size and thickness of the semi-finished product, and returning the unqualified semi-finished product to the furnace;
adding reinforcing fiber meshes on two sides of the semi-finished product to harden the semi-finished product;
detecting the hardness, thickness, static unbalance value and flatness of the semi-finished product, and installing the semi-finished product after the semi-finished product is qualified;
the finished grinding wheel is installed on a supporting seat through a stabilizing bearing, then the supporting seat is installed on a linear slide rail through a feeding slide block, a feeding screw penetrates through the feeding slide block, and finally a first limiting clamping jaw and a second limiting clamping jaw are installed on the linear slide rail.
The invention relates to a rail cutting grinding wheel and a preparation method thereof, wherein the linear slide rail is arranged at the bottom of a rail and is embedded into the ground at an included angle of 90 degrees with the length direction of the rail, a first limiting clamping jaw and a second limiting clamping jaw are respectively fixed by a first locking pin and a second locking pin in a threaded manner to keep the linear slide rail perpendicular to the rail, the bottom of a support seat is provided with a feeding slide block and a T-shaped limiting block in a threaded manner, the T-shaped limiting block is matched with a T-shaped groove of the linear slide rail, so that the feeding slide block and the linear slide rail slide more stably without lateral deviation, the feeding slide block is driven to slide linearly by the rotation of a feeding ball screw and the feeding slide block, and a grinding wheel is driven to contact with the rail at a perpendicular angle and feed in a linear direction, so that the grinding wheel has better cutting effect on the track.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the structure of the connecting device of the present invention.
Fig. 2 is a schematic view of the feed assembly of the present invention.
FIG. 3 is a flow chart of a method of making the track grinding wheel of the present invention.
In the figure: 1-grinding wheel, 2-supporting seat, 3-connecting device, 21-containing cavity, 31-linear slide rail, 32-first limiting clamping jaw, 33-second limiting clamping jaw, 34-first locking pin, 35-second locking pin, 36-feeding component, 37-first displacement slide block, 38-second displacement slide block, 100-track cutting grinding wheel, 311-feeding slide groove, 312-limiting slide groove, 313-T-shaped groove, 314-first locking hole, 315-second locking hole, 361-feeding slide block, 362-T-shaped limiting block, 363-feeding ball screw, 364-stabilizing bearing, 3631-feeding screw and 3632-screw driving motor.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 2, the present invention provides a rail cutting wheel 100, which comprises a wheel 1, a supporting seat 2 and a connecting device 3; the supporting seat 2 is rotationally connected with the grinding wheel 1 and is positioned on the outer side of the grinding wheel 1; the connecting device 3 comprises a linear slide rail 31, a first limiting clamping jaw 32, a second limiting clamping jaw 33, a first locking pin 34, a second locking pin 35 and a feeding assembly 36, the linear slide rail 31 is slidably connected with the supporting seat 2 and is positioned at one side of the supporting seat 2 far away from the grinding wheel piece 1, the linear slide rail 31 is provided with a feeding chute 311 and a limiting chute 312, the feeding chute 311 is positioned at one side of the linear slide rail 31 close to the supporting seat 2 and is matched with the supporting seat 2, the limiting chute 312 is positioned at one side of the linear slide rail 31 close to the feeding chute 311, the first limiting clamping jaw 32 is slidably connected with the linear slide rail 31 and is positioned inside the limiting chute 312, the second limiting clamping jaw 33 is slidably connected with the linear slide rail 31 and is positioned at one side of the limiting chute 312 far away from the first limiting clamping jaw 32, the first locking pin 34 is detachably connected with the linear slide rail 31, detachably connected with the first limiting clamping jaw 32 and located on one side of the linear slide rail 31 close to the first limiting clamping jaw 32, and the second locking pin 35 is detachably connected with the linear slide rail 31, detachably connected with the second limiting clamping jaw 33 and located on one side of the linear slide rail 31 close to the second limiting clamping jaw 33; the feeding assembly 36 includes a feeding slider 361, a T-shaped stopper 362 and a feeding ball screw 363, the feeding slider 361 is slidably connected to the linear guideway 31, is fixedly connected to the supporting base 2, and is located inside the feeding chute 311, the T-shaped stopper 362 is fixedly connected to the feeding slider 361, is slidably connected to the linear guideway 31, and is located on one side of the feeding slider 361 close to the linear guideway 31, and the feeding ball screw 363 is fixedly connected to the linear guideway 31, is rotatably connected to the feeding slider 361, and is located on one side of the linear guideway 31 close to the feeding slider 361.
Further, referring to fig. 2, the linear slide rail 31 further has a T-shaped groove 313, and the T-shaped groove 313 is located on a side of the linear slide rail 31 close to the T-shaped stopper 362, is matched with the T-shaped stopper 362, and is located on a side of the linear slide rail 31 close to the T-shaped stopper 362.
In this embodiment, the linear slide rail 31 is installed at the bottom of a track and embedded into the ground at an angle of 90 ° with the longitudinal direction of the track, the feeding chute 311 and the limiting chute 312 are both located at one side of the linear slide rail 31 close to the track, the feeding chute 311 is located at the middle position of the linear slide rail 31, the two limiting chutes 312 are located at both sides of the feeding chute 311, the bottom of the support seat 2 is slidably installed inside the feeding chute 311 and slidably abuts against the side surface of the feeding chute 311, so that the support seat 2 can only slide along the longitudinal direction of the linear slide rail 31, the number of the first limiting clamping jaws 32 and the number of the second limiting clamping jaws 33 are two, the two first limiting clamping jaws 32 are installed in parallel inside the two left and right limiting chutes 312, the bottoms of the two first limiting clamping jaws 32 are connected by a cross bar, the bottoms of the two second limiting clamping jaws 33 are connected through a cross rod, the cross rod is respectively installed below the linear sliding rail 31 on the feeding chute 311, so that the sliding of the support seat 2 on the feeding chute 311 is not affected, the first limiting clamping jaw 32 and the second limiting clamping jaw 33 are respectively located on the front side and the rear side of the rail, and the first limiting clamping jaw 32 and the second limiting clamping jaw 33 are respectively fixed through the first locking pin 34 and the second locking pin 35 by screw threads, so that the linear sliding rail 31 is kept perpendicular to the rail; the grinding wheel 1 is installed inside the supporting seat 2 through a bearing, the grinding wheel 1 is driven to rotate through a motor, the side end of the grinding wheel 1 extends out of the supporting seat 2 towards the direction of the track and contacts with the track, the feeding slide block 361 and the T-shaped limit block 362 are installed at the bottom of the supporting seat 2 in a threaded mode, the T-shaped limit block 362 is matched with the T-shaped groove 313 of the linear slide rail 31, the feeding slide block 361 and the linear slide rail 31 slide stably and cannot laterally shift, the feeding slide block 361 is driven to slide linearly through rotation of the feeding ball screw rod 363 and the feeding slide block 361, the grinding wheel 1 is driven to contact with the track at a vertical angle, feeding in the linear direction is kept, and the cutting effect of the grinding wheel 1 on the track is better.
Further, referring to fig. 2, the feeding ball screw 363 includes a feeding screw 3631 and a screw driving motor 3632, the feeding screw 3631 is rotatably connected to the linear guideway 31, is rotatably connected to the feeding slider 361, and is located inside the feeding chute 311; the screw driving motor 3632 is fixedly connected with the linear slide rail 31, and an output shaft is fixedly connected with the feeding screw 3631 and is located on one side of the linear slide rail 31 close to the feeding screw 3631.
In this embodiment, the screw driving motor 3632 is screwed to an end of the linear guideway 31, an output shaft is screwed to one end of the feeding screw 3631, the other end of the feeding screw 3631 is rotatably connected to the linear guideway 31 through a bearing and penetrates through the feeding slider 361, and an external thread of the feeding screw is engaged with an internal thread of the feeding slider 361, so that the feeding slider 361 is driven to slide linearly in the feeding chute 311.
Further, referring to fig. 2, the supporting seat 2 has a containing cavity 21, the containing cavity 21 is located on one side of the supporting seat 2 close to the grinding wheel 1, and the grinding wheel 1 is located inside the containing cavity 21.
Further, referring to fig. 2, the feeding assembly 36 further includes a stabilizing bearing 364, and the stabilizing bearing 364 is fixedly connected with the grinding wheel 1, rotatably connected with the supporting seat 2, and located between the grinding wheel 1 and the supporting seat 2.
In this embodiment, one side that the supporting seat 2 is close to the track has hold the chamber 21, it installs through stabilizing bearing 364 in the chamber 21 the grinding wheel 1, grinding wheel 1 is discoid to the front end stretches out hold the chamber 21, with linear slide rail 31 contact, if can protect grinding wheel 1 does not receive the clastic impact that the cutting produced in the cutting process, thereby guarantees that grinding wheel 1 carries out vertical feed.
Further, referring to fig. 1, the connecting device 3 further includes a first displacement slider 37 and a second displacement slider 38, the first displacement slider 37 is slidably connected to the linear slide rail 31, detachably connected to the first locking pin 34, and located inside the limiting slide groove 312; the second displacement slider 38 is slidably connected to the linear slide rail 31, detachably connected to the second locking pin 35, and located inside the limiting sliding groove 312.
In this embodiment, the first displacement slider 37 is screwed to the first limiting jaw 32, is slidably mounted inside the limiting chute 312, and has a side surface slidably limiting the side surface of the limiting chute 312; the first displacement slider 37 is fixed to the first limiting jaw 32 by a screw thread, is slidably mounted inside the limiting sliding groove 312, and is slidably limited by the side surface of the limiting sliding groove 312, so that the first limiting jaw 32 and the second limiting jaw 33 slide in the same straight line in the opposite direction and keep perpendicular to the track.
Further, referring to fig. 1, the linear slide rail 31 further has a first locking hole 314 and a second locking hole 315, the first locking hole 314 is located on one side of the linear slide rail 31 close to the first limit slider and is matched with the first locking pin 34; the second locking hole 315 is located on one side of the linear slide rail 31 close to the second limit slider, and is matched with the second locking pin 35.
In this embodiment, the number of the first locking holes 314 and the second locking holes 315 is plural, and the first locking holes 314 and the second locking holes 315 are arranged along the length direction of the linear slide rail 31, and are used for installing the first locking pins 34 and the second locking pins 35, so that the first displacement slider 37 and the second displacement slider 38 are locked and limited by the first locking pins 34 and the locking pins passing through the first locking holes 314 and the second locking holes 315 respectively to be connected with the first displacement slider 37 and the second displacement slider 38, and further, the clamping stability of the track rail is maintained.
Referring to fig. 3, a method for manufacturing a rail grinding wheel includes the following steps:
s801: adding abrasive and resin liquid into a container, stirring, adding carbon black, gypsum and cryolite, stirring, and adding resin powder;
s802: filtering the solid crystals by using a filter sieve, and cooling and forming the filtered mixed material;
s803: measuring the appearance size and thickness of the semi-finished product, and returning the unqualified semi-finished product to the furnace;
s804: adding reinforcing fiber meshes on two sides of the semi-finished product to harden the semi-finished product;
s805: detecting the hardness, thickness, static unbalance value and flatness of the semi-finished product, and installing the semi-finished product after the semi-finished product is qualified;
s806: the finished grinding wheel piece 1 is mounted on a supporting seat 2 through a stabilizing bearing 364, then the supporting seat 2 is mounted on a linear slide rail 31 through a feeding slide block 361, a feeding screw 3631 penetrates through the feeding slide block 311, and finally a first limiting clamping jaw 32 and a second limiting clamping jaw 33 are mounted on the linear slide rail.
In the embodiment, the raw materials used in the mixing material are phenolic resin bonding agent, brown corundum, white corundum, chromium corundum, cryolite, fiber mesh, gypsum and carbon black, firstly, the abrasive of brown corundum, white corundum and chromium corundum is added into resin liquid and stirred evenly, after being fully stirred evenly, carbon black or gypsum is added, cryolite is added and stirred evenly, after being fully stirred evenly, resin powder is added and fully stirred evenly, the uniformly stirred mixed liquid is poured into a filter screen for solid filtration, solid particles in the mixed liquid are filtered out, then the mixed liquid is poured into a mould for cooling, after the cooling is finished, the mixed liquid is formed into a semi-finished product, the semi-finished product is subjected to size inspection, after the inspection is qualified, 5#260g of reinforced fiber mesh is added for hardening, and the hardened grinding wheel disc is subjected to the inspection of flatness, appearance size and hardness, so that the diameter of the grinding wheel disc is 400mm, and the thickness of the grinding wheel disc is 4.0-4, the static unbalance value is 2g, the planeness is within 0.1-0.2mm, the double-net double paper is adopted, the materials are mixed at low temperature and slow speed for long time, the materials are cooled at constant temperature, the material is fed at constant volume, and the materials are molded at medium temperature and high pressure, so that the product is sharp, and the time required by a railway department is 1/3 (the time required by 3 minutes); the grinding wheel is durable and efficient, each grinding wheel can be cut by 4-5 cutters (3 cutters are generally cut in the market), the railway rush repair time can be met, the frequency of replacing the grinding wheel 1 is reduced, and the cost is saved; the grinding wheel 1 is driven to rotate by a motor, the side end of the grinding wheel extends out of the supporting seat 2 towards the direction of the track and is in contact with the track, the bottom of the supporting seat 2 is provided with the feeding slide block 361 and the T-shaped limiting block 362 in a threaded manner, the T-shaped limiting block 362 is matched with the T-shaped groove 313 of the linear slide rail 31, so that the feeding slide block 361 and the linear slide rail 31 slide more stably without lateral deviation, the feeding slide block 361 is driven to slide linearly by the rotation of the feeding ball screw 363 and the feeding slide block 361, the grinding wheel 1 is driven to be in contact with the track at a vertical angle, the linear direction feeding is kept, and the cutting effect of the grinding wheel 1 on the track is better.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A rail cutting grinding wheel is characterized by comprising a grinding wheel piece, a supporting seat and a connecting device;
the supporting seat is rotationally connected with the grinding wheel and is positioned on the outer side of the grinding wheel;
the connecting device comprises a linear slide rail, a first limiting clamping jaw, a second limiting clamping jaw, a first locking pin, a second locking pin and a feeding assembly, the linear slide rail is connected with the supporting seat in a sliding manner and is positioned at one side of the supporting seat far away from the grinding wheel, the linear slide rail is provided with a feeding chute and a limiting chute, the feeding chute is positioned at one side of the linear slide rail close to the supporting seat and is matched with the supporting seat, the limiting chute is positioned at one side of the linear slide rail close to the feeding chute, the first limiting clamping jaw is connected with the linear slide rail in a sliding manner and is positioned inside the limiting chute, the second limiting clamping jaw is connected with the linear slide rail in a sliding manner and is positioned at one side of the limiting chute far away from the first limiting clamping jaw, the first locking pin is detachably connected with the linear slide rail and is detachably connected with the first limiting clamping jaw, the second locking pin is detachably connected with the linear slide rail, detachably connected with the second limiting clamping jaw and positioned on one side of the linear slide rail, which is close to the second limiting clamping jaw;
the feeding assembly comprises a feeding slider, a T-shaped limiting block and a feeding ball screw, the feeding slider is connected with the linear slide rail in a sliding mode and is fixedly connected with the supporting seat and located in the feeding sliding groove, the T-shaped limiting block is fixedly connected with the feeding slider and is connected with the linear slide rail in a sliding mode and located on one side of the linear slide rail, the feeding ball screw is connected with the linear slide rail in a fixed mode and is connected with the feeding slider in a rotating mode and located on one side of the feeding slider.
2. The rail grinding wheel of claim 1,
the feeding ball screw comprises a feeding screw rod and a screw rod driving motor, the feeding screw rod is rotatably connected with the linear slide rail, is rotatably connected with the feeding slide block and is positioned in the feeding chute; the screw driving motor is fixedly connected with the linear slide rail, an output shaft is fixedly connected with the feeding screw rod, and the screw driving motor is positioned on one side of the linear slide rail, which is close to the feeding screw rod.
3. The rail grinding wheel of claim 1,
the linear slide rail is also provided with a T-shaped groove, the T-shaped groove is positioned at one side of the linear slide rail close to the T-shaped limiting block, is matched with the T-shaped limiting block and is positioned at one side of the linear slide rail close to the T-shaped limiting block.
4. The rail grinding wheel of claim 1,
the supporting seat is provided with an accommodating cavity, the accommodating cavity is located on one side, close to the grinding wheel, of the supporting seat, and the grinding wheel is located inside the accommodating cavity.
5. The rail grinding wheel of claim 1,
the feeding assembly further comprises a stabilizing bearing, the stabilizing bearing is fixedly connected with the grinding wheel, is rotatably connected with the supporting seat and is positioned between the grinding wheel and the supporting seat.
6. The preparation method of the rail cutting grinding wheel is characterized by comprising the following steps:
adding abrasive and resin liquid into a container, stirring, adding carbon black, gypsum and cryolite, stirring, and adding resin powder;
filtering the solid crystals by using a filter sieve, and cooling and forming the filtered mixed material;
measuring the appearance size and thickness of the semi-finished product, and returning the unqualified semi-finished product to the furnace;
adding reinforcing fiber meshes on two sides of the semi-finished product to harden the semi-finished product;
the finished grinding wheel is installed on a supporting seat through a stabilizing bearing, then the supporting seat is installed on a linear slide rail through a feeding slide block, a feeding screw penetrates through the feeding slide block, and finally a first limiting clamping jaw and a second limiting clamping jaw are installed on the linear slide rail.
7. The method of claim 6, wherein the reinforcing fiber sheets are added to both sides of the semi-finished product to harden the semi-finished product and the finished grinding wheel is mounted to the support base through the stabilizing bearing, the support base is then mounted to the linear slide through the feed slide, the feed screw is threaded through the feed slide, and finally the first and second limiting jaws are mounted between the linear slide, the method further comprising:
and detecting the hardness, thickness, static unbalance value and flatness of the semi-finished product, and installing the semi-finished product after the semi-finished product is qualified.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010932769.2A CN112192416A (en) | 2020-09-08 | 2020-09-08 | Rail cutting grinding wheel and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010932769.2A CN112192416A (en) | 2020-09-08 | 2020-09-08 | Rail cutting grinding wheel and preparation method thereof |
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| CN109605232A (en) * | 2019-01-03 | 2019-04-12 | 郑州狮虎磨料磨具有限公司 | A kind of cutting sheet and preparation method thereof |
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Application publication date: 20210108 |