CN219703006U - Automatic replacement system for split roll collar suite - Google Patents

Abstract

The utility model provides an automatic replacement system and an automatic replacement method for a split roll collar sleeve, comprising a control system, a moving mechanism, a manipulator capable of moving on the moving mechanism, and further comprising the following components: the automatic disassembling and assembling device comprises a functional part placing area, a working area and a goods shelf platform, wherein a large-sized hexagon screw automatic disassembling and assembling mechanism, a clamping mechanism, a disassembling taper sleeve mechanism and a roll collar installing mechanism are arranged in the functional part placing area, a roll collar sleeve member to be installed and disassembled is suitable for being placed in the goods shelf platform, and the manipulator is configured to be capable of automatically switching and connecting in the functional part placing area under the control of the control system and drive the functional part to move to the goods shelf platform or the working area so as to realize the disassembly and the installation of the roll collar sleeve member. By the scheme, the automation degree of the replacement of the rolling mill roll collar sleeve is improved, and the production efficiency is improved.

Description

Automatic replacement system for split roll collar suite

Technical Field

The utility model relates to the technical field of rolling mill equipment, in particular to an automatic replacement system for a split type roll collar sleeve.

Background

The installation and disassembly operation of the rolling collar external member of the rolling mill at present are carried out manually through a special hydraulic roller mounting tool and a roller dismounting tool, the rolling collar, the taper sleeve and the hydraulic roller mounting tool are sequentially mounted on a main shaft of the rolling mill manually, the mounting bolts are screwed into internal threads of the main shaft of the rolling mill, the bolts are screwed, the hydraulic roller mounting tool presses the taper sleeve, the rolling collar is fixed, and the roller mounting operation is completed. The roller disassembling tool uses hydraulic pressure to pull out the taper sleeve through pressure. After the roll collar protective cap is disassembled, a roll disassembling tool is manually placed on the roll collar and the taper sleeve and fixed, and the roll disassembling tool is started to pressurize to pull out the taper sleeve, so that the roll collar is required to be frequently replaced and maintained, but the existing manual installation and manual disassembly of the roll collar have the conditions of repeated labor, high labor intensity, long replacement time, low efficiency, tight working time, high working environment temperature, easy danger and the like; not only can the personal safety of workers be brought, but also economic huge loss can be brought to enterprises. In the prior art, although some automatic equipment exists, the degree of automation is low, and the disassembly and assembly work can not be realized on the same station at the same time.

Disclosure of Invention

The utility model discloses an automatic replacement system for a split-type roll collar sleeve, which is convenient to operate and aims to solve the problems that the existing roll collar sleeve is troublesome to replace and has low automation degree.

The utility model adopts the following scheme:

the utility model provides an automatic replacement system for a split roll collar sleeve, which comprises a control system, a moving mechanism, a manipulator capable of moving on the moving mechanism, and further comprises: the automatic disassembling and assembling device comprises a functional part placing area, a working area and a goods shelf platform, wherein a large-sized hexagon screw automatic disassembling and assembling mechanism, a clamping mechanism, a disassembling taper sleeve mechanism and a roll collar installing mechanism are arranged in the functional part placing area, a roll collar sleeve member to be installed and disassembled is suitable for being placed in the goods shelf platform, and the manipulator is configured to be capable of automatically switching and connecting in the functional part placing area under the control of the control system and drive the functional part to move to the goods shelf platform or the working area so as to realize the disassembly and the installation of the roll collar sleeve member.

Further, the large-scale hexagonal screw automatic dismounting mechanism comprises a first quick-change connector, a first connecting plate and a first hydraulic motor, wherein the first hydraulic motor is connected with a first rotating shaft and a universal sleeve; the first quick-change connector is suitable for being connected with the manipulator, and the first connecting plate is suitable for being connected with a hydraulic pipe of the first hydraulic motor and a hydraulic pipe of the manipulator; a first linear bearing and a first elastic piece are arranged between the first rotating shaft and the universal sleeve, and the first linear bearing can move up and down and compress the first elastic piece when moving upwards.

Further, the taper sleeve disassembly mechanism comprises a second quick-change connector, a first hydraulic cylinder and a second hydraulic cylinder, wherein the second quick-change connector is suitable for being connected with the manipulator, the first hydraulic cylinder comprises a first cylinder body and a first piston, the upper end of the first cylinder body is connected with the second quick-change connector, the upper end of the first piston stretches into the first cylinder body, and the lower end of the first piston is connected with the second hydraulic cylinder; the first hydraulic cylinder is suitable for forming floating pressure in a rodless cavity of the first cylinder body when the first piston extends out of the first cylinder body; the second hydraulic cylinder comprises a second cylinder body and a second piston, a lug which is suitable for being matched with a flange groove of the taper sleeve is arranged on the second cylinder body, and the second hydraulic cylinder is configured to drive the second piston to move downwards to prop against a main shaft of the roll collar in the oil inlet process, so that the second cylinder body is driven to move upwards relative to the second piston to drive the taper sleeve to move upwards.

Further, the clamping mechanism comprises a third quick-change connector, a second connecting plate and a third hydraulic cylinder, wherein the third quick-change connector is suitable for being connected with the manipulator, and the second connecting plate is suitable for connecting a hydraulic pipe of the third hydraulic cylinder and a hydraulic pipe of the manipulator; the third hydraulic cylinder is connected with a clamping hand and is configured to drive the clamping hand to open and close.

Further, the roll collar installation mechanism comprises a fourth quick-change connector, a third connecting plate and a second hydraulic motor, wherein the second hydraulic motor is connected with a second rotating shaft through a coupler, the second rotating shaft is connected with a screw through a second linear bearing, and a second elastic piece is arranged between the second linear bearing and the second rotating shaft; the outer side face of the screw is provided with a high-pressure piston and a low-pressure piston, the high-pressure piston is positioned on the inner side of the low-pressure piston, the low-pressure piston is suitable for supporting the roll collar when being pressed down, and the high-pressure piston is suitable for pressing the taper sleeve into the roll collar when being pressed down.

Further, an industrial camera is arranged on the manipulator and is electrically connected with the control system.

Further, the function part placement area is provided with a sensing device electrically connected with the control system.

Further, the moving mechanism comprises a guide rail, a gear, a rack and a driving motor, wherein the rack is arranged on the guide rail in parallel, the driving motor is arranged on a base of the manipulator, an output shaft of the driving motor is connected with the gear, the gear is meshed with the rack, and the driving motor is configured to drive the manipulator to move along the guide rail.

Further, a second moving mechanism is arranged below the goods shelf platform, and the second moving mechanism is suitable for driving the goods shelf platform to move.

The utility model also provides an automatic replacement method of the roll collar sleeve, which comprises the following steps:

s1: the manipulator is connected with the large-scale hexagonal screw automatic dismounting mechanism, moves to a working area, dismantles and loosens the hexagonal screw on the roll collar protective cover in the working area, returns to the functional part placing area after dismantlement and returns the large-scale hexagonal screw automatic dismounting mechanism;

s2: the manipulator is connected with the clamping mechanism, moves to the working area, clamps the roll collar protective cover to a designated position, and then returns the clamping mechanism to the functional part placement area;

s3: the manipulator is connected with the taper sleeve disassembly mechanism, moves to the working area to withdraw the old taper sleeve on the main shaft of the rolling mill, and then replaces the taper sleeve disassembly mechanism in the functional piece placement area;

s4: the mechanical arm is connected with the clamping mechanism again, the old taper sleeve and the old roll collar which are taken out are clamped to the goods shelf table, the new taper sleeve and the new roll collar on the goods shelf table are clamped to the main shaft of the rolling mill, and then the clamping mechanism is placed back to the functional part placement area;

s5: the manipulator is connected with the roll collar installation mechanism, drives the roll collar installation mechanism to a working area, compresses the new taper sleeve and the new roll collar on the appointed position of the main shaft of the rolling mill, and then returns the roll collar installation mechanism to the functional piece placement area;

s6: the manipulator is connected with the clamping mechanism again, the protective sleeve is clamped on a new roll collar of the main shaft of the rolling mill, and then the clamping mechanism is placed back into the functional part placement area;

s7: the manipulator is connected with the automatic dismounting mechanism of the large-sized hexagon screw again, screws are screwed on the main shaft of the rolling mill, the screws return to the functional part placement area and the automatic dismounting mechanism of the large-sized hexagon screw is replaced, and therefore installation is completed.

The beneficial effects are that:

in the scheme of the utility model, the automatic disassembly and assembly mechanism for the large hexagon screw, the clamping mechanism, the taper sleeve disassembly mechanism, the roll collar installation mechanism and other functional parts are creatively arranged, so that the automatic disassembly and installation of the roll collar and the taper sleeve are assisted, the disassembly and the installation actions are realized under the control of the control system in cooperation with the control system, and the automatic disassembly and assembly of the roll collar sleeve are realized.

Drawings

FIG. 1 is a schematic view of the overall structure of a split-type automatic roll collar assembly replacement system according to an embodiment of the present utility model;

FIG. 2 is a schematic functional main body structure of a split-type automatic roll collar set replacement system according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a moving structure of a split-type automatic roll collar assembly replacement system according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a manipulator of a split-type automatic roll collar assembly replacement system according to an embodiment of the present utility model;

FIG. 5 is a schematic structural view of a large-scale hexagonal screw automatic dismounting mechanism of a split-type roll collar set automatic replacement system according to an embodiment of the utility model;

FIG. 6 is a schematic view of a quick-change connector of a split roll collar assembly automatic replacement system according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a clamping mechanism of a split roll collar assembly automatic replacement system according to an embodiment of the present utility model;

FIG. 8 is a schematic cross-sectional view of a taper sleeve removal mechanism of a split roll collar assembly automatic replacement system according to an embodiment of the present utility model;

FIG. 9 is a schematic view of the appearance of a taper sleeve removing mechanism of a split roll collar set automatic replacement system according to an embodiment of the present utility model;

FIG. 10 is a schematic view of a collar assembly mechanism of a split collar kit automatic replacement system according to an embodiment of the present utility model;

FIG. 11 is a schematic cross-sectional view of a collar assembly mechanism of a split collar kit automatic replacement system according to an embodiment of the present utility model;

icon: guardrail 11, electrically operated gate 12, functional part placement area 13, placement table 131, sensing device 132, control system 14, work area 15, goods shelf stand 16, and positioning column 17;

a moving mechanism 20, a guide rail 21, a gear 22, a rack 23, a driving motor 24, and a second moving mechanism 201;

manipulator 30, industrial camera 31, connector 32, connector 321, positioning block 322, and clamping block 323;

the large-scale hexagonal screw automatic dismounting mechanism 40, the first quick-change connector 41, the positioning hole 411, the clamping groove 412, the first connecting plate 413, the first hydraulic motor 42, the protecting piece 43, the first rotating shaft 44, the first bolt 441, the universal sleeve 45, the first sliding groove 451, the first linear bearing 46 and the first elastic piece 47;

the clamping mechanism 50, the third quick-change connector 51, the second connecting plate 511, the third hydraulic cylinder 52 and the clamping hand 53;

the taper sleeve disassembly mechanism 60, the second quick-change joint 61, the first hydraulic cylinder 62, the first cylinder 621, the rodless cavity 622, the first piston 623, the second hydraulic cylinder 63, the second cylinder 631, the bump 632, the second piston 633, the first flange 65, the guide rod 66, the guide plate 67, the third linear bearing 68, the second flange 69, the hydraulic oil chamber 610, the end cover 611, the floating joint 612;

the roll collar mounting mechanism 70, the fourth quick-change joint 71, the third connection plate 711, the second hydraulic motor 72, the coupling 73, the second rotation shaft 74, the screw 75, the second sliding groove 751, the second bolt 76, the outer housing 77, the fourth cylinder 78, the low-pressure oil inlet 781, the high-pressure oil inlet 782, the high-pressure piston 79, the low-pressure piston 701, the low-pressure oil chamber 702, the high-pressure oil chamber 703, the return spring 704, the second linear bearing 705, and the second elastic member 706;

the main shaft 81, the roll collar 82, the taper sleeve 83, the flange 831, the flange groove 832, the notch 833, the protective sleeve 84 and the hexagonal screw 85.

Detailed Description

Examples

Referring to fig. 1 to 2, the present embodiment provides a split-type automatic roll collar kit replacement system, which includes a control system 14, a moving mechanism 20, and a manipulator 30 movable on the moving mechanism 20, and further includes: the automatic disassembling and assembling mechanism 40, the clamping mechanism 50, the taper sleeve disassembling mechanism 60 and the roll collar installing mechanism 70 are arranged in the functional part placing area 13, the working area 15 and the goods shelf platform 16, a new roll collar to be installed and an old roll collar to be disassembled are suitable for being placed in the goods shelf platform 16, and the manipulator 30 is configured to be capable of automatically switching connection in the functional parts in the functional part placing area 13 under the control of the control system 14 and driving the functional parts to move into the goods shelf platform 16 or the working area 15 so as to achieve the disassembly and installation of the roll collar sleeve.

In this embodiment, the control system 14 may be a PLC system, or may be combined with an existing industrial personal computer technology, for coordinated control of the operation of the split rolling mill.

As shown in fig. 3 and 4, the moving mechanism 20 includes a guide rail 21, a gear 22, a rack 23, and a driving motor 24, where the rack 23 is disposed on the guide rail 21 in parallel, the driving motor 24 is disposed on a base of the manipulator 30, and an output shaft thereof is connected to the gear 22, the gear 22 is meshed with the rack 23, and the driving motor 24 is configured to drive the manipulator 30 to move along the guide rail 21. The manipulator 30 may use an existing six-degree-of-freedom manipulator 30, where the manipulator 30 is fixed on the moving mechanism 20 and adapted to move on the moving mechanism 20, and a connector 32 is disposed at the end of the manipulator, and the connector 32 is adapted to be connected with a quick-change connector. Specifically, the connector 32 is provided with a connector 321, a positioning block 322 and a clamping block 323, the connector 321 is in butt joint with a connecting plate on the functional piece, and a hydraulic pipe on the manipulator 30 can be connected with a hydraulic pipe on the functional piece, so that hydraulic power is transmitted to the functional piece. The positioning block 322 and the clamping block 323 are respectively matched with the positioning hole 411 and the clamping groove 412 of the quick-change connector, and the quick-change connector 41, the second quick-change connector 61, the third quick-change connector 51 and the fourth quick-change connector 71 can be set to be identical in this embodiment by matching with the hydraulic module to realize quick-butt installation and quick-disassembly. The manipulator 30 is provided with an industrial camera 31, and the industrial camera 31 is in butt joint with the control system 14 and is used for shooting and identifying whether the manipulator 30 moves to a specified position in real time.

As shown in fig. 1 to 4, in this embodiment, a second moving mechanism 201 parallel to the moving mechanism 20 and having the same structure as the moving mechanism 20 is further provided, and the goods stand 16 and the functional part placement area 13 are disposed above the second moving mechanism 201, so that the goods stand 16 and the functional part placement area 13 can both move on the second moving mechanism 201, so as to realize functions of feeding, discharging, changing accessories, and the like, and a person does not need to enter the working area 15, thereby improving the degree of automation. In this embodiment, the shelf platform 16 is provided with a plurality of positioning columns 17 for placing the roll collar 82 and the taper sleeve 83; the functional part placing area 13 is provided with a plurality of placing tables 131, the placing tables 131 are provided with positioning holes 411, so that functional parts can be placed at specified positions, and further, all the sensing devices 132 are further arranged on the functional part placing area 13, and the sensing devices 132 can be photoelectric sensors or gravity sensors and are used for detecting whether the functional parts are placed in place or taken out.

Referring to fig. 1 and 9, in the embodiment of the present utility model, the roll collar 82 and the cone sleeve 83 are installed on the main shaft 81 of the rolling mill, a flange 831 is provided on the outer side of the cone sleeve 83, the flange slot 832 is formed under the flange 831, and a notch 833 adapted to the protrusion 632 to extend into is formed on the flange 831; the top of the main shaft 81 is provided with a threaded hole, and the main shaft 81 of the rolling mill comprises a protective sleeve 84 arranged outside the roll collar 82, and a hexagonal screw 85 or a hexagonal bolt for fixing the protective sleeve 84, wherein the hexagonal screw 85 is screwed in the threaded hole of the main shaft 81. When the hexagonal screw 85 is detached, the protective sleeve 84, the roll collar 82 and the cone sleeve 83 are taken out.

As shown in fig. 2 and 5, the functional parts placement area 13 is provided with a large-sized hexagon screw automatic dismounting mechanism 40, a clamping mechanism 50, a cone dismounting mechanism 60, a roll collar mounting mechanism 70 and other functional parts, and can be replaced as required. Specifically, the automatic large-scale hexagonal screw assembling and disassembling mechanism 40 includes a first quick-change connector 41, a first connecting plate 413, a first hydraulic motor 42 and a protector 43, wherein the first hydraulic motor 42 is connected with a first rotating shaft 44 and a universal sleeve 45; wherein the first quick-change connector 41 is adapted to be connected to the manipulator 30, and the first connection plate 413 is adapted to connect a hydraulic pipe of the first hydraulic motor 42 and a hydraulic pipe of the manipulator 30; a first linear bearing 46 and a first elastic member 47 are disposed between the first rotation shaft 44 and the universal sleeve 45, and the first linear bearing 46 is movable up and down and compresses the first elastic member 47 when moving upward. The first resilient member 47 may be a spring, and the protective sleeve 84 is disposed outside the universal sleeve 45, and the universal sleeve 45 is adapted to mate with a hex screw 85. The first rotating shaft 44 and the universal sleeve 45 are movably connected relatively, specifically, a first sliding groove 451 is provided at the connection position between the universal sleeve 45 and the first rotating shaft 44, a first bolt 441 is fixedly provided on the first rotating shaft 44, and the first bolt 441 penetrates through the first sliding groove 451 to movably fix the universal sleeve 45 on the first rotating shaft 44, where the first bolt 441 not only plays a fixing function, but also can limit the height distance of the universal sleeve 45 moving upwards or downwards. When the screw-out device is in unscrewing work, the first rotating shaft 44 rotates to drive the universal sleeve 45 to rotate, in the rotating process, the universal sleeve 45 drives the linear bearing to move upwards, so that the spring is compressed, the hexagonal screw 85 can be smoothly screwed up, and after the hexagonal screw is screwed up, the universal sleeve 45 is restored to the original position through the elastic restoring effect of the spring to prepare for the next work. On the contrary, when the hexagonal screw 85 is required to be mounted, the first rotation shaft 44 is reversely rotated, and the manipulator 30 can be controlled to be simultaneously pressed down, thereby completing the screwing action.

Referring to fig. 7 and 8, in the present embodiment, the taper sleeve disassembling mechanism 60 includes a second quick-change connector 61, a first hydraulic cylinder 62 and a second hydraulic cylinder 63, wherein the second quick-change connector 61 is adapted to be connected with the manipulator 30, the first hydraulic cylinder 62 includes a first cylinder 621 and a first piston 623, an upper end of the first cylinder 621 is connected with the second quick-change connector 61, an upper end of the first piston 623 extends into the first cylinder 621, and a lower end thereof is connected with the second hydraulic cylinder 63; the first hydraulic cylinder 62 is adapted to create a floating pressure within the rodless cavity 622 of the first cylinder 621 as the first piston 623 extends out of the first cylinder 621; the second hydraulic cylinder 63 includes a second cylinder 631 and a second piston 633, the second cylinder 631 is provided with a protrusion 632 adapted to fit with a flange groove 832 of the cone sleeve 83, and the second hydraulic cylinder 63 is configured to drive the second piston 633 to move downward to support the main shaft 81 of the roll collar 82 during oil feeding, so as to drive the second cylinder 631 to move upward relative to the second piston 633 to drive the cone sleeve 83 to move upward. Specifically, the second quick-change connector 61 is connected with a first flange 65 through a screw, a first hydraulic cylinder 62 is connected below the first flange 65 through a screw, the lower end of a first cylinder body 621 of the first hydraulic cylinder 62 is fixed on a guiding device, the guiding device comprises a guiding rod 66 and a guiding plate 67, the lower end of the first cylinder body 621 is fixed on the guiding plate 67, a third linear bearing 68 is arranged on the guiding plate 67, a plurality of guiding rods 66 are arranged on the third linear bearing 68, the guiding rods 66 can slide up and down in the third linear bearing 68, and the lower end of the guiding rods 66 is fixedly connected with the second flange 69 through a screw; the guide rod 66 is used to maintain a vertical up-and-down stroke when the first hydraulic cylinder 62 drives the first piston 623 to move up and down. The lower part of the first piston 623 is connected to the second flange 69 by a floating joint 612, and the floating joint 612 is an existing product, so that the situation that the inner wall of the hydraulic cylinder is scratched and leakage is caused by installation errors can be avoided; the second hydraulic cylinder 63 is fixed below the second flange 69, the second hydraulic cylinder 63 includes a protecting cover, a second piston 633 and a second cylinder 631 are disposed in the protecting cover, and the second cylinder 631 is fixed on the protecting cover through a connecting ring; here, the second cylinder 631 is configured as a hollow body with a downward opening, the second piston 633 is movably fixed inside the second cylinder 631, and the second piston 633 is configured with an oil chamber with an upward opening, and the oil chamber cooperates with an inner upper end surface of the second cylinder 631 to form the hydraulic oil chamber 610; an oil inlet and an oil outlet communicated to the hydraulic oil chamber 610 are provided above the second cylinder 631; an end cover 611 is fixed in the second cylinder 631, so as to limit the downward displacement of the second piston 633 and prevent the second piston 633 from being separated from the second cylinder 631. The second cylinder 631 is formed with an inward projection 632 below for being snapped into a flange groove 832 of the sleeve 83 of the collar 82, thereby removing the sleeve 83 of the collar 82 from the main shaft 81. Further, a sealing ring is disposed at a position where the outer side of the second piston 633 is connected to the inner surface of the second cylinder 631, so as to prevent oil leakage. The first hydraulic cylinder 62 and the second hydraulic cylinder 63 are linked for disengaging the cone sleeve 83 of the roll collar 82, wherein the first hydraulic cylinder 62 provides a preliminary positioning stroke for moving the second hydraulic cylinder 63 to a designated position in cooperation with the device of the manipulator 30 and connecting the second hydraulic cylinder 63 with the cone sleeve 83 of the roll collar 82; on the other hand, the floating pressure can be kept in the rodless cavity 622 during the working process, so as to absorb the jumping stroke and impact generated at the moment when the cone sleeve 83 of the roll collar 82 is pulled out, and eliminate the rigid impact of the rebound of the cone sleeve 83 on the device of the manipulator 30, thereby reducing the impact vibration suffered by the manipulator 30. When the cone sleeve removing mechanism 60 takes the cone sleeve 83, the protruding block 632 enters the area of the flange groove 832 from the notch 833, and after rotating for a certain angle, the protruding block 632 enters the flange groove 832 and is blocked by the flange 831, so that when the second cylinder 631 moves upwards, the cone sleeve 83 of the roll collar 82 can be driven to synchronously move upwards, and the cone sleeve 83 of the roll collar 82 can be taken out from the main shaft 81.

As shown in fig. 9, the clamping mechanism 50 includes a third quick-change connector 51, a second connection plate 511, and a third hydraulic cylinder 52, where the third quick-change connector 51 is adapted to be connected to the manipulator 30, and the second connection plate 511 is adapted to connect a hydraulic pipe of the third hydraulic cylinder 52 and a hydraulic pipe of the manipulator 30; the third hydraulic cylinder 52 is connected with a clamping hand 53 and is configured to drive the clamping hand 53 to open and close; the clamping arms 53 may be provided with three to facilitate removal of material, and the structure in which the clamping arms 53 are driven to retract inwardly or expand outwardly by hydraulic cylinders is known in the art and will not be described.

As shown in fig. 10 and 11, in the present embodiment, the roll collar mounting mechanism 70 includes a fourth quick-change connector 71, a third connection plate 711, and a second hydraulic motor 72, where the second hydraulic motor 72 is connected to a second rotating shaft 74 through a coupling 73, the second rotating shaft 74 is connected to a screw 75 through a second linear bearing 705, and a second elastic member 706 is disposed between the second linear bearing 705 and the second rotating shaft 74; the outer side surface of the screw 75 is provided with a high-pressure piston 79 and a low-pressure piston 701, the high-pressure piston 79 is positioned on the inner side of the low-pressure piston 701, the low-pressure piston 701 is suitable for supporting the roll collar 82 when being pressed down, and the high-pressure piston 79 is suitable for pressing the taper sleeve 83 into the roll collar 82 when being pressed down. Specifically, the lower end of the screw 75 is provided with an external thread adapted to the internal thread of the main shaft 81, the upper end is provided with a second sliding groove 751, the position where the second rotating shaft 74 is connected with the screw 75 is provided with a second bolt 76, and the second bolt 76 is inserted into the second sliding groove 751, so that the screw 75 can move up and down for a certain distance relative to the second rotating shaft 74, and the second bolt 76 can limit the limit distance of the up and down movement of the screw 75. The roll collar mounting mechanism 70 further includes an outer housing 77 and a fourth cylinder 78, wherein the outer housing 77 and the fourth cylinder 78 are fixed by bolts, and the second rotation shaft 74 passes through a central axis of the fourth cylinder 78. A low-pressure oil inlet 781 and a high-pressure oil inlet 782 are arranged above the fourth cylinder 78, the fourth cylinder 78 is of a hollow structure, an opening is arranged at the bottom, the low-pressure piston 701 and the high-pressure piston 79 are arranged in the fourth cylinder 78, the low-pressure piston 701 is sleeved outside the high-pressure piston 79, a low-pressure oil cavity 702 is formed between the low-pressure piston 701 and the high-pressure piston 79, and the low-pressure oil cavity 702 is communicated with the low-pressure oil inlet 781; a high-pressure oil chamber 703 is formed between the high-pressure piston 79 and the fourth cylinder 78, and the high-pressure oil inlet 782 communicates with the high-pressure oil chamber 703. Further, the bottom of the fourth cylinder 78 is connected to the low pressure piston 701 through a return spring 704, and the return spring 704 is circumferentially disposed around the bottom of the fourth cylinder 78. When the device works, after the screw rod 75 is connected and positioned with the main shaft 81, the low-pressure oil inlet 781 is used for oil to press down the low-pressure piston 701 so as to press and fix the roll collar 82, and the reset spring 704 is stretched at the moment; after the roll collar 82 is fixed, a high-pressure oil inlet 782 is filled with oil, the high-pressure piston 79 is driven to move downwards, the taper sleeve 83 is pressed into a gap between the main shaft 81 and the roll collar 82, and the taper sleeve 83 and the roll collar 82 are installed; after that, the high pressure oil inlet 782 and the low pressure oil inlet 781 cancel the oil inlet pressure, the low pressure piston 701 moves upward under the action of the return spring 704, returns to the initial position, cancels the pressing down action on the roll collar 82, and the high pressure piston 79 moves upward under the action of the low pressure oil chamber 702 to return to the initial position. It should be noted that in this embodiment, when the high pressure piston 79 moves downward, the low pressure oil chamber 702 is further compressed, so that the low pressure piston 701 further compresses the roller collar 82. In other embodiments, the high pressure oil inlet 782 is disposed above the high pressure piston 79, and the opening area of the high pressure oil inlet 782 is larger than the opening area of the low pressure oil inlet 781; a sealing ring is provided on the outer side and the upper portion of the high-pressure piston 79, and a sealing ring is also provided at a position where the low-pressure piston 701 is connected to the fourth cylinder 78 and the high-pressure piston 79.

The utility model also provides an automatic replacement method for the roll collar suite, which comprises the following steps:

s1: the manipulator 30 is connected with the large-scale hexagonal screw automatic dismounting mechanism 40, moves to the working area 15, dismantles the hexagonal screw on the roll collar protective cover in the working area 15, returns to the functional part placing area 13 after dismantlement, and replaces the large-scale hexagonal screw automatic dismounting mechanism 40;

s2: the manipulator 30 is connected with the clamping mechanism 50, moves to the working area 15, clamps the protective cover to a designated position, and then replaces the clamping mechanism 50 with the functional part placing area 13;

s3: the manipulator 30 is connected with the taper sleeve disassembling mechanism 60, moves to the working area 15 to pull out the old taper sleeve 83 on the main shaft of the rolling mill, and then replaces the taper sleeve disassembling mechanism 60 with the functional piece placing area 13;

s4: the manipulator 30 is connected with the clamping mechanism 50 again, the old taper sleeve 83 and the old roll collar 82 which are taken out are clamped to the goods shelf 16, the new taper sleeve 83 and the new roll collar 82 on the goods shelf 16 are clamped to the main shaft of the rolling mill, and then the clamping mechanism 50 is placed back to the functional part placing area 13;

s5: the manipulator 30 is connected with the roll collar installation mechanism 70, drives the roll collar installation mechanism 70 to the working area 15, compresses the new taper sleeve 83 and the new roll collar 82 on the appointed position of the main shaft of the rolling mill, and then returns the roll collar installation mechanism 70 to the functional part placement area 13;

s6: the manipulator 30 is connected with the clamping mechanism 50 again, the protective sleeve 84 is clamped onto a new roll collar of the main shaft of the rolling mill, and then the clamping mechanism 50 is placed back into the functional part placing area 13;

s7: the manipulator 30 is connected with the large-sized hexagon screw automatic dismounting mechanism 40 again, screws are screwed on the main shaft of the rolling mill, the screws return to the functional part placing area 13, and the large-sized hexagon screw automatic dismounting mechanism 40 is replaced, so that the installation is completed.

In this embodiment, two or more rolling mill spindles may be simultaneously disposed in the working area, so that automatic disassembly and assembly operations of a plurality of roll collar assemblies may be performed, and the guard rail 11 and the electric door 12 are disposed outside the working area 15, so that protection measures are formed for users, and the users may operate outside.

The system of the embodiment of the utility model has the advantages of simple operation, high positioning precision, convenient maintenance, strong operability of interface requirements, automatic control, greatly improved working efficiency and safety performance, unattended operation, reduced workload of workers and ensured working safety.

It should be understood that: the above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model.

The description of the drawings in the embodiments above illustrates only certain embodiments of the utility model and should not be taken as limiting the scope, since other related drawings may be made by those of ordinary skill in the art without the benefit of the inventive faculty.

Claims (9)

1. The utility model provides a split type roller ring external member automatic replacement system, includes control system, mobile mechanism and can be in mobile manipulator on the mobile mechanism, its characterized in that still includes: the automatic disassembling and assembling device comprises a functional part placing area, a working area and a goods shelf platform, wherein a large-sized hexagon screw automatic disassembling and assembling mechanism, a clamping mechanism, a disassembling taper sleeve mechanism and a roll collar installing mechanism are arranged in the functional part placing area, a roll collar sleeve member to be installed and disassembled is suitable for being placed in the goods shelf platform, and the manipulator is configured to be capable of automatically switching and connecting in the functional part placing area under the control of the control system and drive the functional part to move to the goods shelf platform or the working area so as to realize the disassembly and the installation of the roll collar sleeve member.

2. The split collar kit automatic replacement system of claim 1 wherein the large hex screw automatic disassembly and assembly mechanism comprises a first quick change connector, a first connection plate, and a first hydraulic motor connected with a first rotating shaft and a universal sleeve; the first quick-change connector is suitable for being connected with the manipulator, and the first connecting plate is suitable for being connected with a hydraulic pipe of the first hydraulic motor and a hydraulic pipe of the manipulator; a first linear bearing and a first elastic piece are arranged between the first rotating shaft and the universal sleeve, and the first linear bearing can move up and down and compress the first elastic piece when moving upwards.

3. The automatic split roll collar kit replacement system of claim 1, wherein the cone sleeve removal mechanism comprises a second quick-change connector, a first hydraulic cylinder and a second hydraulic cylinder, wherein the second quick-change connector is suitable for being connected with the manipulator, the first hydraulic cylinder comprises a first cylinder body and a first piston, the upper end of the first cylinder body is connected with the second quick-change connector, the upper end of the first piston extends into the first cylinder body, and the lower end of the first piston is connected with the second hydraulic cylinder; the first hydraulic cylinder is suitable for forming floating pressure in a rodless cavity of the first cylinder body when the first piston extends out of the first cylinder body; the second hydraulic cylinder comprises a second cylinder body and a second piston, a lug which is suitable for being matched with a flange groove of the taper sleeve is arranged on the second cylinder body, and the second hydraulic cylinder is configured to drive the second piston to move downwards to prop against a main shaft of the roll collar in the oil inlet process, so that the second cylinder body is driven to move upwards relative to the second piston to drive the taper sleeve to move upwards.

4. The split roll collar kit automatic replacement system of claim 1, wherein the clamping mechanism comprises a third quick change joint, a second connection plate, and a third hydraulic cylinder, wherein the third quick change joint is adapted to connect with the manipulator, and the second connection plate is adapted to connect a hydraulic tube of the third hydraulic cylinder with a hydraulic tube of the manipulator; the third hydraulic cylinder is connected with a clamping hand and is configured to drive the clamping hand to open and close.

5. The automatic replacement system of a split type roll collar kit according to claim 1, wherein the roll collar installation mechanism comprises a fourth quick-change connector, a third connecting plate and a second hydraulic motor, wherein the second hydraulic motor is connected with a second rotating shaft through a coupler, the second rotating shaft is connected with a screw through a second linear bearing, and a second elastic piece is arranged between the second linear bearing and the second rotating shaft; the outer side face of the screw is provided with a high-pressure piston and a low-pressure piston, the high-pressure piston is positioned on the inner side of the low-pressure piston, the low-pressure piston is suitable for supporting the roll collar when being pressed down, and the high-pressure piston is suitable for pressing the taper sleeve into the roll collar when being pressed down.

6. The automatic split collar kit replacement system of claim 1 wherein an industrial camera is provided on the robot, the industrial camera being electrically connected to the control system.

7. The automatic split collar kit replacement system of claim 1 wherein said function placement area is provided with a sensing device electrically connected to said control system.

8. The automatic replacement system of a split roll collar kit according to claim 1, wherein the moving mechanism comprises a guide rail, a gear, a rack and a driving motor, wherein the rack is arranged on the guide rail in parallel, the driving motor is arranged on a base of the manipulator, the output shaft of the driving motor is connected with the gear, the gear is meshed with the rack, and the driving motor is configured to drive the manipulator to move along the guide rail.

9. The automatic split collar kit replacement system of claim 8 wherein a second movement mechanism is provided below the shelf platform, the second movement mechanism being adapted to drive the shelf platform to move.