CN111842502A - Auxiliary tool for roller shaft of rolling mill - Google Patents
Auxiliary tool for roller shaft of rolling mill Download PDFInfo
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- CN111842502A CN111842502A CN202010817907.2A CN202010817907A CN111842502A CN 111842502 A CN111842502 A CN 111842502A CN 202010817907 A CN202010817907 A CN 202010817907A CN 111842502 A CN111842502 A CN 111842502A
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- screw rod
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- pull rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
- B21B31/10—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by horizontally displacing, i.e. horizontal roll changing
- B21B31/103—Manipulators or carriages therefor
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Abstract
A rolling mill roll shaft auxiliary tool comprises a manipulator, an adjusting seat and a moving mechanism; the adjusting seat comprises an adjusting top plate, an adjusting bottom plate and a plurality of adjusting mechanisms; the adjusting mechanism is positioned between the adjusting top plate and the adjusting bottom plate, the upper end of the adjusting mechanism is connected with the adjusting top plate, and the lower end of the adjusting mechanism is connected with the adjusting bottom plate; the moving mechanism comprises a main frame body, a sliding seat, a screw rod and a screw rod driving device; the sliding seat is arranged on the main frame body in a sliding mode, and the screw rod is arranged on the main frame body in a rotating mode; when the screw rod rotates, the screw rod drives the sliding seat to reciprocate on the main frame body along the screw rod; the screw rod driving device is arranged on the main frame body and used for driving the screw rod to rotate; the manipulator is fixedly arranged on the adjusting top plate, and the adjusting bottom plate is fixedly arranged on the sliding seat. This auxiliary fixtures is bottom surface formula auxiliary fixtures, installation that can be convenient and dismantlement roller, and this auxiliary fixtures structural stability is good, and the security is high.
Description
Technical Field
The invention relates to the field of auxiliary tools of three-high rolling mills in steel production, in particular to an auxiliary tool of a rolling mill roll shaft.
Background
In the production of steel, the three-high mill is a processing device for rolling the bar-shaped steel into the steel with a specific diameter. In order to roll steel products with different diameters, roll shafts on a three-roll mill need to be replaced frequently, and due to the fact that the roll shafts are particularly heavy, the roll shafts are difficult to mount and dismount, and therefore the roll shafts need to be mounted and dismounted through other auxiliary tool equipment; the existing auxiliary tool in the preparation workshop mainly has two modes; the first is the traditional form of aeronautic crane and manpower; the second is the form of fixed angle cantilever crane and manual assistance. The first mode is the simplest mode which is laggard in the prior art, is not beneficial to improving the production efficiency and the safety of personnel, and has no popularization; the second mode is the cantilever crane of fixed angle, and the efficiency of construction and personnel's security have been improved to a certain extent, but overall structure is unsettled, and is very high to the intensity and the structural performance requirement of whole frock equipment, and the security is worth considering, and auxiliary assembly's field installation all has high requirement.
Therefore, a new auxiliary tool needs to be designed to overcome the defects of the existing auxiliary tool.
Disclosure of Invention
The invention aims to: to the problem that above-mentioned exists, provide a rolling mill roller auxiliary fixtures, this auxiliary fixtures is bottom surface formula auxiliary fixtures, installation that can be convenient and dismantlement roller, and this auxiliary fixtures structural stability is good, and the security is high.
The technical scheme adopted by the invention is as follows:
a rolling mill roll shaft auxiliary tool comprises a manipulator, an adjusting seat and a moving mechanism;
the adjusting seat comprises an adjusting top plate, an adjusting bottom plate and a plurality of adjusting mechanisms; the adjusting mechanism is positioned between the adjusting top plate and the adjusting bottom plate, the upper end of the adjusting mechanism is connected with the adjusting top plate, and the lower end of the adjusting mechanism is connected with the adjusting bottom plate; the adjusting mechanisms are matched with each other and used for adjusting the distance between the adjusting top plate and the adjusting bottom plate and/or adjusting the deflection angle of the adjusting top plate relative to the adjusting bottom plate;
the moving mechanism comprises a main frame body, a sliding seat, a screw rod and a screw rod driving device; the sliding seat is arranged on the main frame body in a sliding mode, and the screw rod is arranged on the main frame body in a rotating mode; when the screw rod rotates, the screw rod drives the sliding seat to reciprocate on the main frame body along the screw rod; the screw rod driving device is arranged on the main frame body and used for driving the screw rod to rotate;
the manipulator is fixedly arranged on the adjusting top plate, and the adjusting bottom plate is fixedly arranged on the sliding seat.
Further, the manipulator comprises an outer cylinder body, an inner cylinder body, a piston, a pull rod sleeve, a pull rod, an outer jacket, an inner jacket and a movable sleeve; the outer cylinder body is sleeved outside the inner cylinder body, and the inner cylinder body is used as a piston of the outer cylinder body; the piston is arranged in the inner cylinder body; the pull rod sleeve is inserted into the piston and can move in the piston, the front end and the rear end of the pull rod sleeve both extend out of the inner cylinder sleeve, a pull rod sleeve stop block is arranged on the pull rod sleeve, and the pull rod sleeve stop block is arranged outside the piston and is positioned at the rear end of the piston; the front end of the pull rod sleeve is provided with an internal thread; the pull rod is movably arranged in the pull cylinder sleeve, the front end of the pull rod is of an outer hexagonal structure, the rear end of the pull rod is provided with a pull rod stop block, and the pull rod stop block is arranged outside the pull rod sleeve;
the outer jacket is fixedly arranged at the front end of the outer cylinder sleeve, the inner jacket is fixedly arranged at the front end of the inner cylinder sleeve, and the movable sleeve is movably sleeved outside the inner jacket.
Further, the outer jacket is cylindrical, the rear end of the outer jacket is connected with the outer cylinder body, and the left side face and the right side face of the outer jacket are cut off.
Furthermore, the inner jacket is cylindrical, the rear end of the inner jacket is connected with the inner cylinder body, a plurality of positioning keys are arranged on the inner side of the front end of the inner jacket, and the positioning keys are arranged at equal intervals along the circumferential direction of the inner jacket; the movable sleeve is cylindrical and is sleeved on the inner jacket and can move and/or rotate along the axial direction of the inner jacket.
Further, an inner hexagonal nut is sleeved at the front end of the pull rod in a matching manner, and the inner hexagonal nut is in threaded connection with the inner wall of the pull rod sleeve; the inner cylinder body is internally provided with a pull rod sleeve supporting block, and the pull rod sleeve stop block is movably arranged in the pull rod sleeve supporting block.
Furthermore, the adjusting mechanism is a bolt assembly, and the bolt assembly comprises an adjusting bolt, an upper adjusting nut and a lower adjusting nut; adjusting bolt from supreme running through in proper order down adjusts roof and adjusting bottom plate to with adjust roof and adjusting bottom plate threaded connection, it establishes on adjusting bolt with adjusting nut cover down to go up adjusting nut, adjusting nut is located adjusting bottom plate's top down, it is located adjusting roof's below to go up adjusting nut.
Furthermore, the rear end of the screw rod is connected with a screw rod driving device through a safety coupling.
Further, the safety coupling comprises a screw rod connecting part and a screw rod driving device connecting part;
the screw rod connecting part comprises a screw rod connecting sleeve, the front end of the screw rod connecting sleeve is connected with the rear end of the screw rod, and an elastic mechanism limiting disc and a first transmission disc are fixedly sleeved on the screw rod connecting sleeve; the elastic mechanism limiting disc and the transmission disc I are arranged at intervals, and the transmission disc I is positioned at the rear end of the screw rod connecting sleeve;
the screw rod driving device connecting part comprises a screw rod driving device connecting sleeve, the front end of the screw rod driving device connecting sleeve is rotatably sleeved on the outer side of the first transmission disc, and the rear end of the screw rod driving device connecting sleeve is connected with the screw rod transmission device; the front end of the screw rod driving device connecting sleeve is fixedly provided with a second transmission disc, and the second transmission disc is rotatably sleeved on the screw rod connecting sleeve and is positioned in front of the first transmission disc;
the screw rod connecting sleeve is sleeved with an elastic mechanism, the front end of the elastic mechanism is in contact with the elastic mechanism limiting disc, the rear end of the elastic mechanism is in contact with the front end face of the second transmission disc, the elastic mechanism pushes the screw rod connecting sleeve and the screw rod driving device connecting sleeve to be away from each other, and the rear end face of the second transmission disc is in contact with the front end face of the first transmission disc.
Furthermore, the lead screw penetrates through the sliding seat, a lead screw sliding block is sleeved on the lead screw in a matching mode, and the lead screw sliding block is fixedly connected with the sliding seat.
Further, the main frame body comprises a base, a first screw rod installation seat, a second screw rod installation seat and a screw rod driving device installation seat; the screw rod mounting seat I is arranged at the front end of the base, the screw rod mounting seat II is arranged at the rear end of the base, and the screw rod is rotatably arranged on the screw rod mounting seat I and the screw rod mounting seat II; the screw rod driving device mounting seat is fixedly arranged on the screw rod mounting seat II or the base, and the screw rod driving device is fixedly arranged on the screw rod driving device mounting seat.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
according to the invention, the tool in the form of the cantilever is changed into the ground form, so that the processing difficulty and the processing precision of the equipment are reduced, the field requirement is reduced, the safety and the reliability are improved, and the stable operation of the equipment can be well ensured. The roll shaft can be conveniently replaced on the rolling mill by the tool.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a block diagram of an adjustment base and a moving mechanism;
FIG. 3 is a cross-sectional view of the moving mechanism;
FIG. 4 is a block diagram of the safety coupling;
FIG. 5 is a block diagram of a robot;
FIG. 6 is a block diagram of the robot arm when connected to a roll shaft;
FIGS. 7 and 8 are structural views of the roller shaft;
fig. 9 is a front end structure view of the roller removing robot.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A rolling mill roll shaft auxiliary tool comprises a manipulator 1, an adjusting seat 2 and a moving mechanism 3;
the adjusting seat 2 comprises an adjusting top plate 203, an adjusting bottom plate 201 and a plurality of adjusting mechanisms; the adjusting mechanism is positioned between the adjusting top plate 203 and the adjusting bottom plate 201, the upper end of the adjusting mechanism is connected with the adjusting top plate 203, and the lower end of the adjusting mechanism is connected with the adjusting bottom plate 201; the adjusting mechanisms are matched with each other and are used for adjusting the distance between the adjusting top plate 203 and the adjusting bottom plate 201 and/or adjusting the deflection angle of the adjusting top plate 203 relative to the adjusting bottom plate 201;
the moving mechanism 3 comprises a main frame body, a sliding seat 304, a screw rod 305 and a screw rod driving device; the sliding seat 304 is arranged on the main frame body in a sliding manner, and the screw rod 305 is arranged on the main frame body in a rotating manner; when the screw 305 rotates, the screw 305 drives the sliding seat 304 to reciprocate on the main frame body along the screw 305; the screw rod driving device is arranged on the main frame body and is used for driving the screw rod 305 to rotate;
the manipulator 1 is fixedly arranged on the adjusting top plate 203, and the adjusting bottom plate 201 is fixedly arranged on the sliding seat 304.
Due to the structure, the moving mechanism 3 is arranged on the bottom surface, when the mechanical arm 1 clamps the roll shaft, the moving mechanism 3 drives the mechanical arm 1 to move, and the assembly and disassembly of the roll shaft on the rolling mill can be completed. This frock is the ground form with the form adjustment of cantilever, has reduced the processing degree of difficulty and the machining precision of equipment, has reduced the place demand, has improved degree of safety and reliability simultaneously, assurance equipment stable operation that can be good. Simultaneously, adjust seat 2 through each adjustment mechanism's mutually supporting, can adjust the height and the deflection angle of manipulator 1, and then can be more convenient assembly and dismantle the roller.
Further, the manipulator 1 comprises an outer cylinder 103, an inner cylinder 104, a piston 1011, a pull rod sleeve 107, a pull rod 109, an outer jacket 102, an inner jacket 1013 and a movable sleeve 101; the outer cylinder 103 is sleeved outside the inner cylinder 104, and the inner cylinder 104 is used as a piston 1011 of the outer cylinder 103; the piston 1011 is disposed within the inner cylinder 104; the pull rod sleeve 107 is inserted into the piston 1011 and can move in the piston 1011, the front end and the rear end of the pull rod sleeve 107 both extend out of the inner cylinder sleeve, a pull rod sleeve stop block 108 is arranged on the pull rod sleeve 107, and the pull rod sleeve stop block 108 is arranged outside the piston 1011 and is positioned at the rear end of the piston 1011; the front end of the pull rod sleeve 107 is provided with internal threads; the pull rod 109 is movably arranged in the pull cylinder sleeve, the front end of the pull rod 109 is of an outer hexagonal structure, the rear end of the pull rod 109 is provided with a pull rod stop block 106, and the pull rod stop block 106 is arranged outside the pull rod sleeve 107; the pull rod stop 106 is a pull rod handle; the outer jacket 102 is fixedly arranged at the front end of the outer cylinder sleeve, the inner jacket 1013 is fixedly arranged at the front end of the inner cylinder sleeve, and the movable sleeve 101 is arranged outside the inner jacket 1013.
The outer jacket 102 is cylindrical, the rear end thereof is connected to an outer cylinder 103, and the left and right sides of the outer jacket 102 are cut away.
The inner jacket 1013 is cylindrical, the rear end of the inner jacket 1013 is connected with the inner cylinder 104, and the inner side of the front end of the inner jacket 1013 is provided with a plurality of positioning keys which are arranged at equal intervals along the circumferential direction of the inner jacket 1013; the movable sleeve 101 is cylindrical, and the movable sleeve 101 is sleeved on the inner jacket 1013 and can move and/or rotate along the axial direction of the inner jacket 1013.
The front end face of the movable sleeve is provided with a plurality of positioning bulges 1020 or positioning grooves, and the positioning bulges 1020 or the positioning grooves are arranged at equal intervals along the circumferential direction of the movable sleeve.
The outer cylinder 103, the inner cylinder 104, the inner jacket 1013 or the outer jacket 102 is fixedly connected with the adjusting top plate 203 through a connecting piece.
An operating handle is arranged on the side wall of the movable sleeve 101. A plurality of operation holes 1014 are formed on the side wall of the movable sleeve 101.
The existing roll shaft is an assembly body, the roll shaft is required to be integrally detached from a rolling mill when the roll shaft is replaced, or a roll collar on the roll shaft is detached, when the roll collar is detached, a roll shaft pull rod 1019 in the roll shaft is required to be pulled out, the whole roll shaft can be detached, and then the roll collar is taken down from the roll shaft.
As shown in fig. 7 and 8, fig. 7 and 8 are roller shaft structures to be disassembled, the left end of the roller shaft is provided with a left clamping flange 1016 and a right clamping flange 1017 for clamping a roller ring, which is not shown in the figures, the left end of the roller shaft is provided with a left clamping nut 1015, the right end of the roller shaft is provided with a right clamping nut 1018, the left clamping nut 1015 and the right clamping nut 1018 are connected through a roller shaft pull rod 1019, the left end and the right end of the roller shaft pull rod 1019 are both provided with nuts, and the right end of the roller shaft pull rod 1019 is provided with an inner hexagon.
As shown in fig. 8, the roller shaft is provided with splines 1021 and a movable sleeve positioning groove or a movable sleeve positioning projection 1022.
In operation, the right end of the roll shaft is arranged outside the rolling mill, so when the roll shaft is integrally disassembled, the outer jacket 102 and the inner jacket 1013 are sleeved on the outline of the right end of the roll shaft, wherein the diameter of the roll shaft sleeved by the outer jacket 102 is large, and the front end surface of the outer jacket is used for propping against the machine body of the rolling mill or elements on the roll shaft and limiting the movement of the machine body and the elements on the roll shaft to the right end. The inner jacket 1013 is sleeved at the position of the roll shaft provided with the spline 1021, and a positioning key in the inner jacket 1013 is embedded in the key groove of the spline 1021 and is used for limiting the roll shaft to rotate when the roll shaft is unloaded; when the inner jacket 1013 clamps the roll shaft, the movable sleeve 101 slides to the front end of the inner jacket 1013, then the movable sleeve is rotated, so that the positioning protrusion 1020 or the positioning groove at the front end of the movable sleeve is embedded into the movable sleeve positioning groove or the movable sleeve positioning protrusion 1022 on the roll shaft, then the movable sleeve is limited to rotate, then the movable sleeve is fixedly connected with the roll shaft through a connecting piece such as a bolt, and then roll unloading can be started;
when the roll is unloaded, the inner cylinder 104 moves backward, so that the whole roll shaft can be pulled out of the rolling mill. Meanwhile, the moving mechanism 3 moves backwards, can play a role in conveying the roll shaft and can assist in unloading the roll.
When the roller shaft pull rod 1019 is pulled out, the outer hexagon at the front end of the pull rod 109 is inserted into the inner hexagon at the end part of the roller shaft pull rod 1019 to drive the roller shaft pull rod 1019 to rotate, the roller shaft pull rod 1019 is disconnected from the left clamping nut 1015 and the right clamping nut 1018, the right end of the roller shaft pull rod 1019 is in threaded connection with the front end of the pull rod sleeve 107, after connection, the piston 1011 moves backwards to abut against the pull rod sleeve stopper 108 to move the pull rod sleeve 107 backwards, meanwhile, the pull rod sleeve 107 abuts against the pull rod 109 stopper to move the pull rod 109 backwards, and finally, the whole roller shaft pull rod 1019 is pulled out. The left clamp flange 1016 is removable without the restraint of the left clamp nut 1015 to allow removal of the roller ring.
In the above structure, the left and right sides of the outer jacket 102 are cut away, so that the movable sleeve 101 can be conveniently adjusted to facilitate the turning of the handle. The movable sleeve 101 is provided with an operation hole 1014, when the roller shaft needs to be pressurized to separate elements on the roller shaft, air can be injected into an air hole on the roller shaft through the operation hole 1014, or a connecting piece such as a nut can be inserted into the operation hole 1014 to connect the movable sleeve 101 with the roller shaft, so that the roller shaft can be conveniently detached.
The front end of the pull rod 109 is sleeved with an inner hexagon nut 1012 in a matching manner, and the inner hexagon nut 1012 is in threaded connection with the inner wall of the pull rod sleeve 107; the hexagon socket nut 1012 is used for supporting the pull rod 109 and plays a role in guiding and positioning. A pull rod sleeve supporting block 105 is arranged in the inner cylinder body 104, the pull rod sleeve stopper 108 is movably arranged in the pull rod sleeve supporting block 105, and the supporting block plays a guiding and positioning role for the pull rod sleeve 107.
And a displacement sensor 1010 is arranged between the piston 1011 and the pull rod sleeve supporting block 105. Due to the presence of the sensor, the pull-out length of the pull rod 109 can be better measured.
The displacement sensor 1010 comprises a sensor head and a sensor body, wherein the sensor head is inserted into the sensor body and can extend and retract in the sensor body; the head of the sensor is embedded in the piston 1011, and the body of the sensor is embedded in the pull rod sleeve supporting block 105.
The adjusting mechanism is located in the edge regions of the adjusting top plate 203 and the adjusting bottom plate 201.
When adjustment mechanism is automatically regulated structures such as cylinder, adjustment mechanism can set up in the middle part of adjusting roof 203 and adjusting bottom plate 201, but when adjustment mechanism was manual adjustment mechanism, adjustment mechanism set up and more do benefit to the operation on limit portion, and then can influence the operation in the middle part.
The adjusting top plate 203 and the adjusting bottom plate 201 are circular, and the adjusting mechanisms are uniformly distributed in the edge regions of the adjusting top plate 203 and the adjusting bottom plate 201.
Or the adjusting top plate 203 and the adjusting bottom plate 201 have the same shape, both the adjusting top plate 203 and the adjusting bottom plate 201 are polygonal, and the adjusting mechanism is located at the top angle of the adjusting top plate 203 and the adjusting bottom plate 201 and/or the center of each side of the adjusting top plate 203 and the adjusting bottom plate 201. As shown in fig. 2, the top adjustment plate 203 and the bottom adjustment plate 201 are quadrilateral, and the adjustment mechanism is located at the top corner of the quadrilateral.
In this embodiment, the adjusting mechanism is a bolt assembly, which includes an adjusting bolt 202, an upper adjusting nut 204 and a lower adjusting nut 205; adjusting bolt 202 is from supreme running through in proper order down and is adjusted roof 203 and adjusting bottom plate 201 to with adjust roof 203 and adjusting bottom plate 201 threaded connection, it establishes on adjusting bolt 202 with adjusting nut 205 cover down to go up adjusting nut 204, adjusting nut 205 is located the top of adjusting bottom plate 201 down, it is located the below of adjusting roof 203 to go up adjusting nut 204.
When the adjusting seat 2 is used, the distance between the adjusting top plate 203 and the adjusting bottom plate 201 can be adjusted by adjusting the distance between the upper adjusting nut 204 and the lower adjusting nut 205, so that the height adjustment and the angle adjustment of the manipulator 1 are realized. When the distance between the upper adjusting nut 204 and the lower adjusting nut 205 on each adjusting bolt 202 is consistent, the adjusting top plate 203 and the adjusting bottom plate 201 are parallel to each other; when the spacing of the upper and lower adjustment nuts 204, 205 on one or more adjustment bolts 202 is not consistent, the adjustment top plate 203 deflects relative to the adjustment bottom plate 201.
Further, the rear end of the screw 305 is connected with a screw driving device through a safety coupling 307.
Due to the structure, the screw 305 is connected with the screw driving device through the safety coupling 307, when the load on the sliding seat 304 is too large and the screw driving device cannot drive the sliding seat 304 to move, the safety coupling 307 can automatically disconnect the power transmission between the screw 305 and the screw driving device, and the safety of the screw driving device is ensured. When the load on the sliding seat 304 is reduced, the safety coupling 307 automatically connects the screw rod 305 and the screw rod driving device, so as to ensure power transmission, and enable the screw rod driving device to drive the sliding seat 304 to move along the screw rod 305 on the main frame body. Therefore, in the using process, when the roll shaft is clamped, the safety of the screw rod driving device can be ensured.
Further, the safety coupling 307 includes a screw rod connection part and a screw rod driving device connection part; the screw rod connecting part comprises a screw rod connecting sleeve 3071, the front end of the screw rod connecting sleeve 3071 is connected with the rear end of the screw rod 305, and an elastic mechanism limiting disc 3072 and a first transmission disc 3075 are fixedly sleeved on the screw rod connecting sleeve 3071; the elastic mechanism limiting disc 3072 and the first transmission disc 3075 are arranged at intervals, and the first transmission disc 3075 is positioned at the rear end of the screw rod connecting sleeve 3071;
the screw rod driving device connecting part comprises a screw rod driving device connecting sleeve 3074, the front end of the screw rod driving device connecting sleeve 3074 is rotatably sleeved outside the first transmission disc 3075, and the rear end of the screw rod driving device connecting sleeve is connected with the screw rod 305 transmission device; the front end of the screw rod driving device connecting sleeve 3074 is fixedly provided with a second transmission disc 3076, and the second transmission disc 3076 is rotatably sleeved on the screw rod connecting sleeve 3071 and is positioned in front of the first transmission disc 3075;
the screw rod connecting sleeve 3071 is sleeved with an elastic mechanism 3073, the front end of the elastic mechanism 3073 is in contact with the elastic mechanism limiting disc 3072, the rear end of the elastic mechanism is in contact with the front end face of the second transmission disc 3076, and the elastic mechanism 3073 pushes the screw rod connecting sleeve 3071 and the screw rod driving device connecting sleeve 3074 to be away from each other, so that the rear end face of the second transmission disc 3076 is in contact with the front end face of the first transmission disc 3075. The elastic mechanism 3073 is a spring; in actual manufacturing, the screw rod connecting sleeve 3071, the elastic mechanism limiting disc 3072 and the transmission disc 3075 can be integrally formed; the lead screw drive connection sleeve 3074 and the lead screw drive connection sleeve 3074 may be integrally formed.
Due to the structure, when the screw rod 305 is connected with the screw rod driving device, the rear end face of the transmission disc II 3076 and the front end face of the transmission disc I3075 are contacted with each other under the action of the elastic mechanism 3073, and at the moment, the power of the screw rod driving device can be transmitted to the screw rod 305 through the action of friction force; when the load on the sliding seat 304 is too large, the maximum power output by the lead screw driving device is larger than the friction force between the first transmission disc 3075 and the second transmission disc 3076, and still the maximum power is not enough to drive the sliding seat 304 to move, the first transmission disc 3075 and the second transmission disc 3076 can rotate relative to each other, the power transmission between the lead screw 305 and the lead screw driving device is disconnected, and the safety of the lead screw driving device is ensured.
Further, the screw rod 305 penetrates through the sliding seat 304, a screw rod slider 3011 is sleeved on the screw rod 305 in a matching manner, and the screw rod slider 3011 is fixedly connected with the sliding seat 304.
Due to the structure, the sliding seat 304 is connected with the lead screw 305 through the lead screw sliding block 3011, so that the production, processing and manufacturing are facilitated, a ready-made lead screw 305 nut mechanism can be directly purchased, the problem that threads are formed on the sliding seat 304 is solved, and the processing difficulty is reduced.
Further, the main frame body comprises a base 301, a first screw rod installation seat 302, a second screw rod installation seat 306 and a screw rod driving device installation seat 308; the first screw rod mounting seat 302 is arranged at the front end of the base 301, the second screw rod mounting seat 306 is arranged at the rear end of the base 301, and the screw rod 305 is rotatably arranged on the first screw rod mounting seat 302 and the second screw rod mounting seat 306; the screw rod driving device mounting seat 308 is fixedly arranged on the second screw rod mounting seat 306 or the base 301, and the screw rod driving device is fixedly arranged on the screw rod driving device mounting seat 308. In order to ensure smooth rotation of the screw 305, the screw 305 may be disposed on the first screw mounting seat 302 and the second screw mounting seat 306 through bearings. In order to ensure smooth rotation of the screw 305, the screw 305 may be disposed on the first screw mounting seat 302 and the second screw mounting seat 306 through bearings.
The base 301 is provided with a guide rail 303, the bottom of the sliding seat 304 is provided with a guide rail slider 3010, and the guide rail slider 3010 is slidably arranged on the guide rail 303. The number of the rail sliders 3010 may be multiple, and in this embodiment, as shown in fig. 2, 2 rail sliders 3010 are respectively disposed on the left and right sides of the base 301.
Clamping grooves extending along the length direction of the guide rail 303 are formed in two sides of the guide rail 303, and clamping jaws are arranged at the bottom of the guide rail slider 3010; when the guide rail slider 3010 is arranged on the guide rail 303 in a matching manner, the clamping claws are embedded in the clamping grooves and can slide along the clamping grooves in the clamping grooves.
Due to the structure, the guide rail slide block 3010 can be prevented from being separated from the guide rail 303, and the stable operation of the whole equipment is ensured.
The screw rod driving device comprises a screw rod driving motor 3012 and a speed reducer 309, and the screw rod driving motor 3012 is connected with the safety coupling 307 through the speed reducer 309.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a rolling mill roller auxiliary fixtures which characterized in that: the manipulator comprises a manipulator 1, an adjusting seat 2 and a moving mechanism 3;
the adjusting seat 2 comprises an adjusting top plate 203, an adjusting bottom plate 201 and a plurality of adjusting mechanisms; the adjusting mechanism is positioned between the adjusting top plate 203 and the adjusting bottom plate 201, the upper end of the adjusting mechanism is connected with the adjusting top plate 203, and the lower end of the adjusting mechanism is connected with the adjusting bottom plate 201; the adjusting mechanisms are matched with each other and are used for adjusting the distance between the adjusting top plate 203 and the adjusting bottom plate 201 and/or adjusting the deflection angle of the adjusting top plate 203 relative to the adjusting bottom plate 201;
the moving mechanism 3 comprises a main frame body, a sliding seat 304, a screw rod 305 and a screw rod driving device; the sliding seat 304 is arranged on the main frame body in a sliding manner, and the screw rod 305 is arranged on the main frame body in a rotating manner; when the screw 305 rotates, the screw 305 drives the sliding seat 304 to reciprocate on the main frame body along the screw 305; the screw rod driving device is arranged on the main frame body and is used for driving the screw rod 305 to rotate;
the manipulator 1 is fixedly arranged on the adjusting top plate 203, and the adjusting bottom plate 201 is fixedly arranged on the sliding seat 304.
2. The rolling mill roller shaft auxiliary tool according to claim 1, characterized in that: the manipulator 1 comprises an outer cylinder 103, an inner cylinder 104, a piston 1011, a pull rod sleeve 107, a pull rod 109, an outer jacket 102, an inner jacket 1013 and a movable sleeve 101; the outer cylinder 103 is sleeved outside the inner cylinder 104, and the inner cylinder 104 is used as a piston 1011 of the outer cylinder 103; the piston 1011 is disposed within the inner cylinder 104; the pull rod sleeve 107 is inserted into the piston 1011 and can move in the piston 1011, the front end and the rear end of the pull rod sleeve 107 both extend out of the inner cylinder sleeve, a pull rod sleeve stop block 108 is arranged on the pull rod sleeve 107, and the pull rod sleeve stop block 108 is arranged outside the piston 1011 and is positioned at the rear end of the piston 1011; the front end of the pull rod sleeve 107 is provided with internal threads; the pull rod 109 is movably arranged in the pull cylinder sleeve, the front end of the pull rod 109 is of an outer hexagonal structure, the rear end of the pull rod 109 is provided with a pull rod stop block 106, and the pull rod stop block 106 is arranged outside the pull rod sleeve 107;
the outer jacket 102 is fixedly arranged at the front end of the outer cylinder sleeve, the inner jacket 1013 is fixedly arranged at the front end of the inner cylinder sleeve, and the movable sleeve 101 is arranged outside the inner jacket 1013.
3. The rolling mill roller auxiliary tool according to claim 2, characterized in that: the outer jacket 102 is cylindrical, the rear end thereof is connected to an outer cylinder 103, and the left and right sides of the outer jacket 102 are cut away.
4. The roller removing robot of claim 2, wherein: the inner jacket 1013 is cylindrical, the rear end of the inner jacket 1013 is connected with the inner cylinder 104, and the inner side of the front end of the inner jacket 1013 is provided with a plurality of positioning keys which are arranged at equal intervals along the circumferential direction of the inner jacket 1013; the movable sleeve 101 is cylindrical, and the movable sleeve 101 is sleeved on the inner jacket 1013 and can move and/or rotate along the axial direction of the inner jacket 1013.
5. The rolling mill roller auxiliary tool according to claim 2, characterized in that: the front end of the pull rod 109 is sleeved with an inner hexagon nut 1012 in a matching manner, and the inner hexagon nut 1012 is in threaded connection with the inner wall of the pull rod sleeve 107; a pull rod sleeve supporting block 105 is arranged in the inner cylinder body 104, and the pull rod sleeve stopper 108 is movably arranged in the pull rod sleeve supporting block 105.
6. The rolling mill roller shaft auxiliary tool according to claim 1, characterized in that: the adjusting mechanism is a bolt assembly, and the bolt assembly comprises an adjusting bolt 202, an upper adjusting nut 204 and a lower adjusting nut 205; adjusting bolt 202 is from supreme running through in proper order down and is adjusted roof 203 and adjusting bottom plate 201 to with adjust roof 203 and adjusting bottom plate 201 threaded connection, it establishes on adjusting bolt 202 with adjusting nut 205 cover down to go up adjusting nut 204, adjusting nut 205 is located the top of adjusting bottom plate 201 down, it is located the below of adjusting roof 203 to go up adjusting nut 204.
7. The rolling mill roller shaft auxiliary tool according to claim 1, characterized in that: the rear end of the screw 305 is connected with a screw driving device through a safety coupling 307.
8. The rolling mill roller shaft auxiliary tool according to claim 7, characterized in that: the safety coupling 307 comprises a screw rod connecting part and a screw rod driving device connecting part;
the screw rod connecting part comprises a screw rod connecting sleeve 3071, the front end of the screw rod connecting sleeve 3071 is connected with the rear end of the screw rod 305, and an elastic mechanism limiting disc 3072 and a first transmission disc 3075 are fixedly sleeved on the screw rod connecting sleeve 3071; the elastic mechanism limiting disc 3072 and the first transmission disc 3075 are arranged at intervals, and the first transmission disc 3075 is positioned at the rear end of the screw rod connecting sleeve 3071;
the screw rod driving device connecting part comprises a screw rod driving device connecting sleeve 3074, the front end of the screw rod driving device connecting sleeve 3074 is rotatably sleeved outside the first transmission disc 3075, and the rear end of the screw rod driving device connecting sleeve is connected with the screw rod 305 transmission device; the front end of the screw rod driving device connecting sleeve 3074 is fixedly provided with a second transmission disc 3076, and the second transmission disc 3076 is rotatably sleeved on the screw rod connecting sleeve 3071 and is positioned in front of the first transmission disc 3075;
the screw rod connecting sleeve 3071 is sleeved with an elastic mechanism 3073, the front end of the elastic mechanism 3073 is in contact with the elastic mechanism limiting disc 3072, the rear end of the elastic mechanism is in contact with the front end face of the second transmission disc 3076, and the elastic mechanism 3073 pushes the screw rod connecting sleeve 3071 and the screw rod driving device connecting sleeve 3074 to be away from each other, so that the rear end face of the second transmission disc 3076 is in contact with the front end face of the first transmission disc 3075.
9. The rolling mill roller shaft auxiliary tool according to claim 1, characterized in that: the screw 305 penetrates through the sliding seat 304, a screw slider 3011 is sleeved on the screw 305 in a matching manner, and the screw slider 3011 is fixedly connected with the sliding seat 304.
10. The rolling mill roller shaft auxiliary tool according to claim 1, characterized in that: the main frame body comprises a base 301, a first screw rod installation seat 302, a second screw rod installation seat 306 and a screw rod driving device installation seat 308; the first screw rod mounting seat 302 is arranged at the front end of the base 301, the second screw rod mounting seat 306 is arranged at the rear end of the base 301, and the screw rod 305 is rotatably arranged on the first screw rod mounting seat 302 and the second screw rod mounting seat 306; the screw rod driving device mounting seat 308 is fixedly arranged on the second screw rod mounting seat 306 or the base 301, and the screw rod driving device is fixedly arranged on the screw rod driving device mounting seat 308.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010817907.2A CN111842502A (en) | 2020-08-14 | 2020-08-14 | Auxiliary tool for roller shaft of rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010817907.2A CN111842502A (en) | 2020-08-14 | 2020-08-14 | Auxiliary tool for roller shaft of rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111842502A true CN111842502A (en) | 2020-10-30 |
Family
ID=72969804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010817907.2A Pending CN111842502A (en) | 2020-08-14 | 2020-08-14 | Auxiliary tool for roller shaft of rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111842502A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935747A (en) * | 2021-02-03 | 2021-06-11 | 中国重型机械研究院股份公司 | Phosphorus breaking machine roller changing trolley, system and method |
-
2020
- 2020-08-14 CN CN202010817907.2A patent/CN111842502A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935747A (en) * | 2021-02-03 | 2021-06-11 | 中国重型机械研究院股份公司 | Phosphorus breaking machine roller changing trolley, system and method |
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