CN210413820U - Roll grinder of cold rolling mill - Google Patents
Roll grinder of cold rolling mill Download PDFInfo
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- CN210413820U CN210413820U CN201921235259.9U CN201921235259U CN210413820U CN 210413820 U CN210413820 U CN 210413820U CN 201921235259 U CN201921235259 U CN 201921235259U CN 210413820 U CN210413820 U CN 210413820U
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Abstract
The utility model relates to a cold rolling mill roll grinder, which belongs to stainless steel cold rolling roll processing equipment, and comprises a grinder body, a grinder head and a grinder tail, wherein the grinder body is provided with a guide rail, two grinder brackets are arranged on the guide rail in a sliding way, and a grinding mechanism is arranged at the side part of the grinder body; a transmission clamp is arranged on the head of the grinding machine and comprises a head tip, a transmission turntable coaxial with the head tip and a chuck connected with the transmission turntable through a transmission shaft, and a flat head torque transmission hole is formed in the middle of the chuck; a tail tip coaxial with the head tip is fixed on the tail of the grinding machine; the grinding machine bracket comprises a bracket main body, wherein a side plate rotationally adjusted through a first lead screw and a bottom plate rotationally adjusted through a second lead screw are arranged on the bracket main body; the rack is arranged in the middle of the guide rail, the gear meshed with the rack is arranged in the bracket main body, and the gear is rotationally adjusted through the gear shaft. The utility model discloses can carry out stable support and location to the roll, grinding precision and efficient, the transmission is effectual.
Description
Technical Field
The utility model relates to a stainless steel cold rolling roll processing equipment, especially a cold rolling mill roll grinder.
Background
The roller is an important component of a cold rolling mill roll system and plays an important role in the normal operation of the mill and the quality guarantee of the plate strip. The rolls are worn during the operation of the rolling mill and need to be machined by a roll grinder to improve accuracy. When the roller is ground, the supporting round holes at two ends of the grinding machine center are tightly propped against the supporting round holes to fix the supporting roller. Because the roll has heavy weight, the supporting round holes are easy to wear during grinding, so that the left end and the right end of the roll are not on the same plane, and the roll is not in a concentric circle during grinding. On one hand, the grinding precision of the roller is poor, and the coaxiality of the roller is influenced; on the other hand, the loss of the roll grinder is increased, the grinding work is difficult, and the grinding efficiency is low.
Disclosure of Invention
The utility model aims to solve the technical problem that to prior art not enough, provide one kind and can carry out the cold rolling mill roll grinder who stably supports and fix a position to the roll, improved grinding precision and grinding efficiency, still have outstanding transmission effect.
The utility model discloses the technical problem that solve is realized through following technical scheme: the utility model relates to a cold rolling mill roll grinder, including grinding machine lathe bed, grinding machine aircraft nose and grinding machine tail, be equipped with the guide rail on the grinding machine lathe bed, slidable mounting has two grinding machine brackets on the guide rail, and the avris portion at the middle part of grinding machine lathe bed is equipped with the grinding mechanism that is used for processing roll surface, and its characteristics are:
the grinding machine head is provided with a transmission clamp, the transmission clamp comprises a machine head tip matched with a supporting round hole on the end face of the flat head of the roller, and the machine head tip is fixed on the grinding machine head; a transmission turntable is arranged on the grinder head around the nose tip, and the transmission turntable and the nose tip are coaxially arranged; a driving motor for driving the transmission turntable to rotate is arranged on the grinder head; a chuck arranged on the flat head of the roller is arranged in front of the top point of the machine head, a flat head torque transmission hole matched with the flat head of the roller is formed in the middle of the chuck, and the chuck is fixedly connected with a transmission turntable through a transmission shaft;
a tail tip matched with a supporting round hole on the end face of the roll shaft head is fixed on the tail of the grinding machine, and the tail tip and the head tip are coaxially arranged;
the grinding machine bracket comprises a bracket main body, and a side plate and a bottom plate which are matched with the roller bearing inner sleeve are arranged on the bracket main body; one end of the side plate, which is positioned in the bracket main body, is fixedly connected with a first piston, a first piston rod is connected onto the first piston, and a first compression spring is sleeved outside the first piston rod; a first lead screw is arranged on the bracket main body along the axial direction of the first piston rod, one end of the first lead screw is positioned in the bracket main body, the other end of the first lead screw is positioned outside the bracket main body and is used for rotary adjustment, and a first lead screw nut fixed on the bracket main body is externally screwed on the first lead screw; a first connecting shaft is arranged between the first lead screw and the first piston rod, one end of the first connecting shaft is fixedly connected with the first piston rod, and the other end of the first connecting shaft is in lap joint with the first lead screw;
a second piston is fixedly connected to one end, located in the bracket body, of the bottom plate, a second piston rod is connected to the second piston, a second compression spring is sleeved outside the second piston rod, and a slope surface is formed in one end, away from the second piston, of the second piston rod; a push rod matched with the slope end of the second piston rod is arranged in the bracket main body along the horizontal direction, and a third compression spring is sleeved outside the push rod; a second lead screw is arranged on the bracket main body along the axial direction of the push rod, one end of the second lead screw is positioned in the bracket main body, the other end of the second lead screw is positioned outside the bracket main body and used for rotary adjustment, and a second lead screw nut fixed on the bracket main body is externally screwed on the second lead screw; a second connecting shaft is arranged between the second lead screw and the push rod, one end of the second connecting shaft is fixedly connected with the push rod, and the other end of the second connecting shaft is in lap joint with the second lead screw;
a rack is arranged in the middle of the guide rail between the grinder head and the grinder tail, the tooth surface of the rack is arranged upwards, and the tooth crest plane is arranged in parallel with the guide rail plane; the bottom of the bracket main body is transversely provided with a sliding chute, a gear meshed with the rack is arranged in the sliding chute in the bracket main body, and the gear is connected with a gear shaft; the gear shaft is rotatably installed in the bracket main body through a bearing, and one end of the gear shaft extends out of the bracket main body to be used for rotation adjustment.
The roll grinder of the cold rolling mill has the further preferable technical scheme that: the included angle between the axis of the second piston rod and the vertical direction is 15-25 degrees.
The roll grinder of the cold rolling mill has the further preferable technical scheme that: the transmission shaft is equipped with two, and two transmission shafts are around the centre of a circle symmetry setting of transmission carousel.
The roll grinder of the cold rolling mill has the further preferable technical scheme that: the surface of the side plate is an arc convex surface, and the surface of the bottom plate is an arc concave surface.
The roll grinder of the cold rolling mill has the further preferable technical scheme that: the tooth crest plane of the rack is 1cm higher than the guide rail plane.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model can ensure that the left and right ends of the roller are in the same plane during grinding through the grinding machine bracket with the telescopic adjustment of the side plates and the bottom plate, thereby being convenient for stably supporting and positioning the roller and improving the grinding precision and the grinding efficiency; the grinding machine bracket realizes the sliding on the guide rail by adjusting the gear meshed with the rack, so that the transverse feeding amount of the roller can be conveniently adjusted; through design benefit's transmission anchor clamps and the cooperation of roll flat head, can transmit the power of grinding machine aircraft nose for the roll effectively, the transmission effect is outstanding.
(2) The utility model adopts a further optimized technical scheme, the included angle between the axis of the second piston rod and the vertical direction is designed to be 15-25 degrees, and the support stability of the grinding machine bracket is improved; the surface of the side plate is designed to be an arc convex surface, and the surface of the bottom plate is designed to be an arc concave surface, so that the roller can rotate more smoothly.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial enlarged view of the middle driving clamp of the present invention;
FIG. 3 is a schematic structural view of the chuck of the present invention;
FIG. 4 is a schematic structural view of a bracket of a grinding machine according to the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 1 at A;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;
FIG. 7 is a cross-sectional view taken along line B-B of FIG. 5;
fig. 8 is a schematic view of the installation of the roller and the present invention.
In the figure: 1-grinding machine bed, 2-grinding machine head, 3-grinding machine tail, 4-guide rail, 5-grinding machine bracket, 51-bracket body, 52-side plate, 521-first piston, 522-first piston rod, 523-first compression spring, 524-first lead screw, 525-first lead screw nut, 526-first connecting shaft, 53-bottom plate, 531-second piston, 532-second piston rod, 533-second compression spring, 534-push rod, 535-third compression spring, 536-second lead screw, 537-second lead screw nut, 538-second connecting shaft, 54-chute, 55-gear, 56-gear shaft, 57-bearing, 6-roll, 7-grinding mechanism, 8-driving clamp, 81-head tip, 82-driving turntable, 83-chuck, 84-flat head torque transmission hole, 85-driving shaft, 9-driving motor, 10-machine tail tip, 11-rack, 12-grinding mechanism feed control wheel.
Detailed Description
The following detailed description of the embodiments of the present invention will be provided in conjunction with the accompanying drawings to facilitate further understanding of the present invention by those skilled in the art, and should not be construed as limiting the scope of the present invention.
Example 1: referring to fig. 1 to 8, the roll grinder of the cold rolling mill comprises a grinder body 1, a grinder head 2 and a grinder tail 3, wherein the grinder body is provided with a guide rail 4, two grinder brackets 5 are slidably mounted on the guide rail, and a grinding mechanism 7 for processing the roll surface of a roll 6 is arranged at the side part of the middle part of the grinder body;
the grinding machine head is provided with a transmission clamp 8, the transmission clamp comprises a machine head tip 81 matched with a supporting round hole on the end face of the flat head of the roller, and the machine head tip is fixed on the grinding machine head; a transmission turntable 82 is arranged on the grinder head around the head tip, and the transmission turntable and the head tip are coaxially arranged; a driving motor 9 for driving the transmission turntable to rotate is arranged on the grinder head; a chuck 83 arranged on the flat head of the roller is arranged in front of the top center of the machine head, a flat head torque transmission hole 84 matched with the flat head of the roller is formed in the middle of the chuck, and the chuck is fixedly connected with a transmission turntable through a transmission shaft 85;
a tail tip 10 matched with a supporting round hole on the end face of the roll shaft head is fixed on the tail of the grinding machine, and the tail tip and the head tip are coaxially arranged;
the grinding machine bracket comprises a bracket main body 51, and a side plate 52 and a bottom plate 53 which are matched with the roller bearing inner sleeve are arranged on the bracket main body; one end of the side plate, which is positioned in the bracket main body, is fixedly connected with a first piston 521, the first piston is connected with a first piston rod 522, and a first compression spring 523 is sleeved outside the first piston rod; a first lead screw 524 is arranged on the bracket main body along the axial direction of the first piston rod, one end of the first lead screw is positioned in the bracket main body, the other end of the first lead screw is positioned outside the bracket main body and is used for rotary adjustment, and a first lead screw nut 525 fixed on the bracket main body is externally screwed on the first lead screw; a first connecting shaft 526 is arranged between the first lead screw and the first piston rod, one end of the first connecting shaft is fixedly connected with the first piston rod, and the other end of the first connecting shaft is in lap joint with the first lead screw;
a second piston 531 is fixedly connected to one end of the bottom plate, which is located in the bracket main body, a second piston rod 532 is connected to the second piston, a second compression spring 533 is sleeved outside the second piston rod, and a slope surface is formed at one end, which is far away from the second piston, of the second piston rod; a push rod 534 matched with the slope end of the second piston rod is arranged in the bracket body along the horizontal direction, and a third compression spring 535 is sleeved outside the push rod; a second lead screw 536 is arranged on the bracket main body along the axial direction of the push rod, one end of the second lead screw is positioned in the bracket main body, the other end of the second lead screw is positioned outside the bracket main body and is used for rotary adjustment, and a second lead screw nut 537 fixed on the bracket main body is externally screwed on the second lead screw; a second connecting shaft 538 is arranged between the second lead screw and the push rod, one end of the second connecting shaft is fixedly connected with the push rod, and the other end of the second connecting shaft is in lap joint with the second lead screw;
a rack 11 is arranged in the middle of the guide rail between the grinder head and the grinder tail, the tooth surface of the rack is arranged upwards, and the tooth crest plane is arranged in parallel with the guide rail plane; the bottom of the bracket main body is transversely provided with a sliding chute 54, a gear 55 meshed with the rack is arranged in the sliding chute in the bracket main body, and the gear is connected with a gear shaft 56; the gear shaft is rotatably mounted in the carrier body through a bearing 57, and one end of the gear shaft extends out of the carrier body for rotation adjustment.
The working process of the roll grinder is as follows: the roller is hoisted by the travelling crane, and the position is adjusted to enable the roller to be suspended above the bracket of the grinding machine. The position of the grinding machine bracket on the guide rail is adjusted through the gear shaft, so that the side plate and the bottom plate are aligned to the middle part of the roller bearing inner sleeve, and the roller is placed on the grinding machine bracket. The adjusting method comprises the following steps: rotating the adjusting end of the gear shaft clockwise to enable the gear to rotate clockwise, and rolling on the rack through the gear to drive the grinding machine bracket to slide rightwards on the guide rail; otherwise, slide to the left.
The first lead screw and the second lead screw are used for adjusting the side plates and the bottom plate to move in a telescopic mode, so that the left end and the right end of the roller are located on the same plane, and the grinding plane of the roller is located at the position required by the process. The adjusting method comprises the following steps: rotating the adjusting end of the first lead screw clockwise, and pushing the side plate to extend out through the first connecting shaft, the first piston rod and the first piston; and rotating the adjusting end of the first lead screw anticlockwise, and enabling the side plate to retract through the first piston rod and the first piston under the pushing of the first compression spring. The adjusting end of the second lead screw is rotated clockwise, the push rod is pushed to advance through the second connecting shaft, and the push rod is matched with the slope end of the second piston rod to push the bottom plate to extend out through the second piston rod and the second piston; and the adjusting end of the second lead screw is rotated anticlockwise, the push rod is pushed to retreat under the pushing of the third compression spring, and the bottom plate is retracted through the second piston rod and the second piston under the pushing of the second compression spring.
And rotating the gear shaft adjusting ends of the two grinding machine brackets anticlockwise to drive the grinding machine brackets and the roller to integrally move towards the grinding machine head, so that the flat head of the roller passes through the flat head torque transmission hole of the chuck until the tip of the machine head is inserted into the support round hole of the end face of the flat head. And simultaneously, adjusting the position of the tail of the grinding machine on the guide rail, so that the tip of the tail is inserted into a supporting circular hole on the end surface of the other shaft head of the roller, and tightly pushing the roller. And connecting the grinding machine with an external power supply, and starting the driving motor and the grinding mechanism. The driving motor drives the transmission turntable to rotate through the belt pulley and the gear set, the transmission turntable drives the chuck to rotate through the transmission shaft, and the roller is driven to rotate through the flat head torque transmission hole in the chuck. The transverse feed motion of the grinding mechanism is controlled by a grinding mechanism feed control wheel 12, and the roll surface of the roll is ground.
Example 2: referring to fig. 6, in the roll grinder for a cold rolling mill according to embodiment 1, an included angle between the axis of the second piston rod and the vertical direction is 20 °, so that the center line of gravity of the roll is located between the side plate and the bottom plate, and the grinder bracket stably supports the roll.
Example 3: referring to fig. 2, in the roll grinder for a cold rolling mill according to embodiment 1, two transmission shafts are provided, and the two transmission shafts are symmetrically arranged about the center of the transmission turntable.
Example 4: referring to fig. 4, in the roll grinder of the cold rolling mill of embodiment 1, the surface of the side plate is an arc-shaped convex surface, the surface of the bottom plate is an arc-shaped concave surface, the arc-shaped convex surface of the side plate is more matched with the middle part of the inner sleeve of the roll bearing, and the arc-shaped concave surface of the bottom plate is more attached to the surface of the inner sleeve of the roll bearing.
Example 5: referring to fig. 5, in the roll grinder for a cold rolling mill according to embodiment 1, the tooth crest plane of the rack is 1cm higher than the guide rail plane.
Claims (5)
1. The utility model provides a cold rolling mill roll grinder, includes grinding machine lathe bed, grinding machine aircraft nose and grinding machine tail, is equipped with the guide rail on the grinding machine lathe bed, and slidable mounting has two grinding machine brackets on the guide rail, is equipped with the grinding mechanism who is used for processing roll surface at the avris portion at the middle part of grinding machine lathe bed, its characterized in that:
the grinding machine head is provided with a transmission clamp, the transmission clamp comprises a machine head tip matched with a supporting round hole on the end face of the flat head of the roller, and the machine head tip is fixed on the grinding machine head; a transmission turntable is arranged on the grinder head around the nose tip, and the transmission turntable and the nose tip are coaxially arranged; a chuck arranged on the flat head of the roller is arranged in front of the top point of the machine head, a flat head torque transmission hole matched with the flat head of the roller is formed in the middle of the chuck, and the chuck is fixedly connected with a transmission turntable through a transmission shaft;
a tail tip matched with a supporting round hole on the end face of the roll shaft head is fixed on the tail of the grinding machine, and the tail tip and the head tip are coaxially arranged;
the grinding machine bracket comprises a bracket main body, and a side plate and a bottom plate which are matched with the roller bearing inner sleeve are arranged on the bracket main body; one end of the side plate, which is positioned in the bracket main body, is fixedly connected with a first piston, a first piston rod is connected onto the first piston, and a first compression spring is sleeved outside the first piston rod; a first lead screw is arranged on the bracket main body along the axial direction of the first piston rod, one end of the first lead screw is positioned in the bracket main body, the other end of the first lead screw is positioned outside the bracket main body and is used for rotary adjustment, and a first lead screw nut fixed on the bracket main body is externally screwed on the first lead screw; a first connecting shaft is arranged between the first lead screw and the first piston rod, one end of the first connecting shaft is fixedly connected with the first piston rod, and the other end of the first connecting shaft is in lap joint with the first lead screw;
a second piston is fixedly connected to one end, located in the bracket body, of the bottom plate, a second piston rod is connected to the second piston, a second compression spring is sleeved outside the second piston rod, and a slope surface is formed in one end, away from the second piston, of the second piston rod; a push rod matched with the slope end of the second piston rod is arranged in the bracket main body along the horizontal direction, and a third compression spring is sleeved outside the push rod; a second lead screw is arranged on the bracket main body along the axial direction of the push rod, one end of the second lead screw is positioned in the bracket main body, the other end of the second lead screw is positioned outside the bracket main body and used for rotary adjustment, and a second lead screw nut fixed on the bracket main body is externally screwed on the second lead screw; a second connecting shaft is arranged between the second lead screw and the push rod, one end of the second connecting shaft is fixedly connected with the push rod, and the other end of the second connecting shaft is in lap joint with the second lead screw;
a rack is arranged in the middle of the guide rail between the grinder head and the grinder tail, the tooth surface of the rack is arranged upwards, and the tooth crest plane is arranged in parallel with the guide rail plane; the bottom of the bracket main body is transversely provided with a sliding chute, a gear meshed with the rack is arranged in the sliding chute in the bracket main body, and the gear is connected with a gear shaft; the gear shaft is rotatably installed in the bracket main body through a bearing, and one end of the gear shaft extends out of the bracket main body to be used for rotation adjustment.
2. The cold-rolling mill roll grinder of claim 1, characterized in that: the included angle between the axis of the second piston rod and the vertical direction is 15-25 degrees.
3. The cold-rolling mill roll grinder of claim 1, characterized in that: the transmission shaft is equipped with two, and two transmission shafts are around the centre of a circle symmetry setting of transmission carousel.
4. The cold-rolling mill roll grinder of claim 1, characterized in that: the surface of the side plate is an arc convex surface, and the surface of the bottom plate is an arc concave surface.
5. The cold-rolling mill roll grinder of claim 1, characterized in that: the tooth crest plane of the rack is 1cm higher than the guide rail plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921235259.9U CN210413820U (en) | 2019-08-01 | 2019-08-01 | Roll grinder of cold rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921235259.9U CN210413820U (en) | 2019-08-01 | 2019-08-01 | Roll grinder of cold rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210413820U true CN210413820U (en) | 2020-04-28 |
Family
ID=70384367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921235259.9U Active CN210413820U (en) | 2019-08-01 | 2019-08-01 | Roll grinder of cold rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210413820U (en) |
-
2019
- 2019-08-01 CN CN201921235259.9U patent/CN210413820U/en active Active
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