CN112621157A - Automatic dismounting device for wringing roller bearing - Google Patents
Automatic dismounting device for wringing roller bearing Download PDFInfo
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- CN112621157A CN112621157A CN202011526621.5A CN202011526621A CN112621157A CN 112621157 A CN112621157 A CN 112621157A CN 202011526621 A CN202011526621 A CN 202011526621A CN 112621157 A CN112621157 A CN 112621157A
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- assembly
- wringing roller
- mandrel
- bracket
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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- Rolls And Other Rotary Bodies (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention provides an automatic dismounting device for a drying roller bearing, which comprises a rack, wherein a bracket unit for supporting a drying roller is arranged on the rack; two ends of the frame are respectively provided with a bearing dismounting assembly or a bearing mounting assembly; the bearing mounting assembly comprises a bearing mounting pressing cylinder which can move along the working axis; bearing disassembly assembly is including tearing open bearing baffle seat and can be along the bearing top of tearing open that the working axis removed, tear open the bearing baffle that is provided with but the oscilaltion on the bearing baffle seat, in dismantling or the installation, only need drive bearing installation in the bearing installation subassembly press a section of thick bamboo or bearing disassembly assembly tear open bearing top and bearing baffle activity can, time saving and labor saving, and do not harm the wringing roller in the course of the work, and simultaneously, can press a section of thick bamboo or change bearing disassembly head and the bearing baffle of tearing open on the bearing disassembly assembly through the bearing installation on the change bearing installation subassembly, realize the installation and the dismantlement of the wringing roller bearing that the specification differs in length.
Description
Technical Field
The invention relates to the field of squeeze rollers, in particular to an automatic dismounting device for a squeeze roller bearing.
Background
Squeeze rolls for cold rolling of steel often need to be sent to equipment foundries for routine maintenance and repair. The squeezing rollers are different in shape and size, but are approximately the same in structure, and each squeezing roller comprises a roller, a mandrel, built-in bearing cavities located at two ends of the roller and bearings which are arranged on the mandrel and are in interference fit with the bearing cavities. When the wringing roller is off-line and repaired every time, the bearings at the two ends of the wringing roller need to be disassembled, cleaned, checked and then reinstalled.
In the prior art, the process of disassembling the bearing is as follows: firstly, a hydraulic jack is adopted to act on one end of a mandrel, so that a bearing at the end of the mandrel is separated from the mandrel, and the bearing is remained in a built-in bearing cavity of a roller and needs to be further pulled out by a special tool; meanwhile, the other end of the mandrel is ejected out together with the bearing, and the ejected bearing is detached by using the portal frame combined with the jack. When the bearing is installed, the copper bush abutted to the bearing is knocked by a hammer manually for installation. The mode of disassembling and assembling the wringing roller bearing wastes time and labor, and the bearing is very easy to damage.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention provides an automatic dismounting device for a drying roller bearing, which has a simple structure, saves time and labor, and does not damage the bearing during dismounting.
The invention provides an automatic dismounting device for a drying roller bearing, which comprises a rack, wherein a bracket unit for supporting a drying roller is arranged on the rack; the two ends of the frame are respectively provided with a bearing dismounting assembly or a bearing mounting assembly; the bearing mounting assembly comprises a bearing mounting pressing cylinder which can move along a working axis; the bearing disassembling assembly comprises a bearing baffle seat and a bearing disassembling top head which can move along a working axis, and the bearing baffle seat is provided with a bearing baffle capable of lifting up and down.
Furthermore, the bearing mounting assembly further comprises a first hydraulic cylinder and a bearing bracket arranged along the working axis, and the bearing mounting pressing cylinder is mounted at the free end of a piston rod of the first hydraulic cylinder.
Furthermore, a first table board is detachably connected to the rack, and the bearing mounting assembly is arranged on the end face of the first table board.
Furthermore, the bearing detaching assembly further comprises a second hydraulic cylinder and an air cylinder, the bearing detaching ejection head is installed at the free end of the piston rod of the second hydraulic cylinder, and the bearing baffle is connected with the free end of the piston rod of the air cylinder.
Further, the bearing detaching assembly is further provided with a mandrel bracket, and the mandrel bracket is arranged along the working axis and is arranged at an interval with the bearing baffle.
Furthermore, a second table panel is detachably connected to the rack, and the bearing detaching assembly is arranged on the end face of the second table panel.
Furthermore, the bearing dismounting assembly further comprises a mandrel lengthening head detachably sleeved at the end part of the mandrel.
Furthermore, the bracket unit comprises a positioning frame capable of lifting up and down, and the positioning frame is used for supporting the wringing roller.
Further, the bracket unit also comprises a bracket support, a driving motor arranged on the bracket support, a screw-nut pair and a jacking assembly, wherein the bracket support is connected with the positioning frame in a vertical sliding manner; the driving motor is connected with the jacking assembly through the lead screw nut pair, and the jacking assembly is abutted to the lower end of the positioning frame.
Furthermore, a positioning groove is formed in the upper end of the positioning frame; a wringing roller supporting plate capable of lifting up and down relative to the positioning frame is arranged on one side of the positioning frame; when the wringing roller supporting plate is located at the lowest position, the upper end surface of the wringing roller supporting plate is lower than or flush with the bottom surface of the positioning groove.
As described above, the automatic dismounting device for the wringing roller bearing according to the present invention has the following beneficial effects:
in the invention, when a bearing needs to be installed, bearing installation components are arranged at two ends of a rack, and when a drying roller is positioned at the working position of an automatic dismounting device of the drying roller bearing, a bearing installation pressing cylinder along the working axis is adopted to push a bearing on a mandrel into a built-in bearing cavity; when the bearing is disassembled, bearing disassembling components are arranged at two ends of the rack, and when the wringing roller is in a working position of the automatic disassembling and assembling device of the wringing roller bearing, a bearing disassembling top capable of moving along a working axis is matched with a bearing baffle capable of lifting up and down to disassemble the bearing; in dismantling or the installation, only need drive bearing installation in the bearing installation subassembly press a section of thick bamboo or bearing dismantlement subassembly tear bearing top and bearing baffle open the activity can, labour saving and time saving, and do not harm the wringing roller in the course of the work, simultaneously, can press a section of thick bamboo or change bearing top and the bearing baffle of tearing open on the bearing dismantlement subassembly through the bearing installation of changing on the bearing installation subassembly, realize the installation and the dismantlement of the wringing roller bearing that length specification differs.
Drawings
FIG. 1 is a schematic view of a frame of an automatic assembling and disassembling device for a wringing roller bearing, wherein bearing mounting assemblies are arranged at two ends of the frame;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of the bearing mounting assemblies of the present invention positioned at both ends of the wringing roller during operation;
FIG. 4 is a schematic view of a bearing mounting assembly of the present invention;
FIG. 5 is a schematic view of the automatic assembling and disassembling device for a wringing roller bearing of the present invention, wherein bearing disassembling components are arranged at two ends of the frame;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a schematic view of the present invention with the bearing removing assemblies at both ends of the wringing roller in operation;
FIG. 8 is an enlarged view of area A of FIG. 7;
FIG. 9 is a schematic view of a bearing removal assembly of the present invention;
fig. 10 is a schematic view of a bracket assembly of the present invention.
Reference numerals:
100. a wringing roller; 110. a mandrel; 120. a bearing; 130. a built-in bearing cavity; 140. a roller; 200. a frame; 201. an electric box; 202. a main operation box; 203. a sub-operation box; 204. a hydraulic system; 210. a bracket unit; 220. a positioning frame; 221. positioning a groove; 230. a wringing roller supporting plate; 240. a drive motor; 250. a jacking assembly; 260. lifting the slide rail; 270. a hydraulic cylinder III; 280. a screw-nut pair; 290. a bracket holder; 300. a bearing mounting assembly; 310. a pressing cylinder is arranged on the bearing; 320. a first hydraulic cylinder; 330. a bearing bracket; 340. a first table top plate; 400. the bearing disassembling component; 410. removing the bearing plug; 420. disassembling a bearing baffle seat; 421. a bearing baffle; 422. a cylinder; 423. a bearing removal groove; 424. a mandrel holder; 425. a mandrel lengthening head; 426. the bearing passes through the groove; 430. a second hydraulic cylinder; 440. and a second table panel.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms such as "upper", "lower", "left", "right" and "middle" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications of the relative relationship may be made without substantial technical changes.
As shown in fig. 1, 3, 4, 5, 7 and 9, the automatic dismounting device for a wringing roller bearing provided by the invention comprises a frame 200, wherein a bracket unit 210 for supporting the wringing roller 100 is arranged on the frame 200; the wringing roller 100 comprises a roller barrel 140, a mandrel 110, built-in bearing cavities 130 positioned at two ends of the roller barrel 140, and bearings 120 which are arranged on the mandrel 110 and are in interference fit with the built-in bearing cavities 130; the two ends of the frame 200 are respectively provided with a bearing dismounting assembly 400 or a bearing mounting assembly 300; the bearing mounting assembly 300 includes a bearing mounting platen 310 movable along a working axis; the bearing disassembling assembly 400 comprises a disassembling bearing baffle seat 420 and a disassembling bearing top head 410 which can move along the working axis, and a bearing baffle 421 which can be lifted up and down is arranged on the disassembling bearing baffle seat 420. When the wringing roller 100 is positioned on the automatic attaching/detaching device, the working axis coincides with the axis of the mandrel 110 of the wringing roller 100, and the movement locus of the bearing 120 being attached/detached also lies on the working axis.
As shown in fig. 1, 2, 3 and 4, when the bearing 120 is installed on the drying roll 100, the bearing installation assemblies 300 are respectively installed at both ends of the frame 200, wherein the inner diameter of the bearing installation pressing cylinder 310 of the bearing installation assembly 300 is larger than the diameter of the mandrel 110 and smaller than the outer diameter of the bearing 120. The wringing roller 100 to which the bearing 120 is to be mounted is placed on the carriage unit 210 with the axis of the mandrel 110 coinciding with the working axis, and the bearing 120 to be mounted is fitted over both ends of the mandrel 110. The bearing mounting platen 310 is moved along the working axis in a direction approaching the roll drum 140 to urge the bearing 120 into the built-in bearing cavity 130 in the roll drum 140, thereby completing the mounting of the bearing 120 of the wringing roll 100.
As shown in fig. 5, 6, 7, 8 and 9, when the bearing 120 is removed from the wringing roller 100, the bearing removing assembly 400 is respectively installed at both ends of the frame 200, wherein the removed bearing baffle plate holder 420 of the bearing removing assembly 400 is arranged along the working axis, and the removed bearing baffle plate holder 420 is opened with a bearing passing slot 426, the bearing passing slot 426 can accommodate the bearing 120 of the mandrel 110 to pass through the bearing passing slot 426, and the roller cylinder 140 is not allowed to pass through the bearing passing slot 426. That is, the diameter of the bearing passing through the groove 426 is larger than the outer diameter of the bearing 120 and smaller than the inner diameter of the end surfaces of both ends of the roller 140. The bearing baffle seat 420 is provided with a bearing baffle 421 which can be lifted up and down, and the bearing baffle 421 is provided with a bearing dismounting groove 423. Wherein, the diameter of the bearing detaching groove 423 is larger than the diameter of the mandrel 110 and smaller than the outer diameter of the bearing 120.
As shown in fig. 6, 7, 8 and 9, when the bearing 120 of the wringing roller 100 is detached, the wringing roller 100 of the bearing 120 to be detached is placed on the bracket unit 210, the axial line of the mandrel 110 coincides with the working axis, and the left and right ends of the roller 140 are respectively abutted and matched with the bearing-detaching baffle seats 420 on the left and right sides, that is, the bearing-detaching baffle seats 420 on the left and right sides form axial limit for the roller 140. First, the bearing removal ram 410 in the bearing removal assembly 400 at the left end is driven, the roller cylinder 140 is kept relatively stationary against the bearing removal baffle holder 420, the mandrel 110 is moved to the right by the bearing removal ram 410, and the right end of the mandrel 110 is ejected from the roller cylinder 140. When the mandrel 110 moves from the left end to the right end, the bearing 120 at the right end of the mandrel 110 is carried away from the built-in bearing cavity 130 at the right side of the roller 140, and the bearing 120 at the left end is still retained in the roller 140. The bearing removing device 410 needs to remove the bearing 120 at the right end of the spindle 110 to the right side of the bearing retainer 421 in the bearing removing assembly 400 from the right end to the right end, that is, the side of the bearing retainer 421 facing away from the roller 140. Next, the bearing 120 at the right end of the spindle 110 can be removed from the spindle 110 by using the bearing removing head 410 and the bearing retainer 421 at the right end of the frame 200, that is, in the bearing removing assembly 400 at the right end, the bearing retainer 421 is lifted, and the bearing head 410 is driven to move leftward, the spindle 110 is moved leftward by the bearing removing head 410, and meanwhile, the bearing 120 at the right end of the spindle 110 is retained by the lifted bearing retainer 421, and the bearing 120 is removed from the spindle 110. It should be noted that, the movement of the mandrel 110 to the left not only causes the bearing 120 at the right end to be detached from the mandrel 110, but also causes the bearing 120 at the left end of the mandrel 110 to be brought out of the built-in bearing cavity 130, and then, the bearing 120 at the left end of the mandrel 110 can be detached from the mandrel 110 by using the bearing detaching plug 410 and the bearing retainer 421 at the left end.
In the dismantlement or the installation of the bearing 120 of wringing roller 100, only need drive bearing installation in the bearing installation subassembly 300 press a section of thick bamboo 310 or the bearing dismantlement subassembly 400 tear bearing top 410 and the activity of bearing baffle 421 open can, time saving and labor saving, and do not harm wringing roller 100 in the course of the work, and simultaneously, can press a section of thick bamboo 310 or change bearing dismantlement subassembly 400 on tearing bearing top 410 and the bearing baffle 421 through the bearing installation of changing on the bearing installation subassembly 300 spare, realize the installation and the dismantlement of the bearing 120 of the wringing roller 100 that length specification differs.
As shown in fig. 3 and 4, the bearing mounting assembly 300 further includes a first hydraulic cylinder 320 and a bearing bracket 330 disposed along the working axis, and the bearing mounting pressing cylinder 310 is mounted to the free end of the piston rod of the first hydraulic cylinder 320. The first hydraulic cylinder 320 is used for driving the bearing mounting pressing cylinder 310 to move linearly, and the bearing bracket 330 is used for supporting the bearing 120 to be mounted on the mandrel 110. The end surface of the bearing bracket 330 adjacent to the roller 140 can also be used for resisting the axial movement of the roller 140, so as to prevent the roller 140 from axial displacement when the wringing roller 100 is only provided with the bearing 120 at one end.
A first deck plate 340 is detachably connected to the machine frame 200, and the bearing mounting assembly 300 is arranged on an end surface of the first deck plate 340. The bearing mounting assembly 300 is arranged on the first table panel 340, so that the bearing mounting assembly 300 can be integrally detached from the rack 200.
As shown in fig. 7, 8 and 9, the bearing detaching assembly 400 further includes a second hydraulic cylinder 430 and a cylinder 422, the bearing detaching plug 410 is mounted on the free end of the piston rod of the second hydraulic cylinder 430, and the bearing baffle 421 is connected with the free end of the piston rod of the cylinder 422. The second hydraulic cylinder 430 is used for driving the bearing removing plug 410 to move linearly, and the second pneumatic cylinder 422 is used for driving the bearing baffle 421 to lift up and down.
As shown in fig. 9, bearing removal assembly 400 is further provided with spindle bracket 424, spindle bracket 424 being disposed along the working axis and spaced from bearing shield 421. The spindle bracket 424 can be used to support the spindle 110, while it can be further verified whether the spindle 110 moves along the working axis when the bearing 120 is removed.
As shown in fig. 8, a second platform 440 is detachably connected to the frame 200, and the bearing detaching assembly 400 is disposed on an end surface of the second platform 440. The bearing detaching assembly 400 is arranged on the second table panel 440, so that the bearing detaching assembly 400 can be detached from the rack 200 integrally.
As shown in fig. 7, the bearing removal assembly 400 further includes a mandrel extension head 425 removably received over the end of the mandrel 110. The mandrel extension head 425 is used to extend the length of the end of the mandrel 110 to facilitate removal of the bearing plug 410 to act on the end of the mandrel 110.
As shown in fig. 5, 7 and 10, the carriage unit 210 includes a vertically movable positioning frame 220, and the positioning frame 220 supports the wringing roller 100. The up-and-down movement of the positioning frame 220 drives the up-and-down movement of the drying roller 100, so that the drying roller 100 can be adjusted to the working position in time, that is, the position of the axis of the mandrel 110 coincides with the working axis. In order to realize the up-and-down lifting of the positioning frame 220, the bracket unit 210 further comprises a bracket support 290, a driving motor 240 mounted on the bracket support 290, a screw nut pair 280 and a jacking assembly 250, wherein the bracket support 290 is connected with the positioning frame 220 in an up-and-down sliding manner; the driving motor 240 is connected with the jacking assembly 250 through the screw nut pair 280, and the jacking assembly 250 is abutted against the lower end of the positioning frame 220. Specifically, an output shaft of the driving motor 240 is in transmission connection with a lead screw in the lead screw nut pair 280, and a nut seat in the lead screw nut pair 280, which is in threaded fit with the lead screw, is fixed to the jacking assembly 250. The driving motor 240 is started, and the jacking assembly 250 is lifted up and down through the transmission of the screw nut pair 280, so that the positioning frame 220 is lifted up and down to slide relative to the bracket support 290.
As shown in fig. 1 and 10, the positioning groove 221 is provided at the upper end of the positioning frame 220; a wringing roller supporting plate 230 capable of lifting up and down relative to the positioning frame 220 is arranged on one side of the positioning frame 220; when the wringing roller blade 230 is at the lowest position, the upper end surface is lower than or flush with the bottom surface of the positioning slot 221. In this example, the positioning groove 221 is generally V-shaped for holding the wringing roller 100 thereon. The up and down movement of the wringing roller 100 relative to the positioning slot 221 is driven by a hydraulic cylinder three 270 fixed to the positioning frame 220. When the wringing roller 100 completes the installation or the disassembly of the bearing 120, the wringing roller 100 can be separated from the positioning groove 221 by driving the wringing roller supporting plate 230 to ascend, and then the wringing roller 100 is transported away from the machine frame 200, which is convenient and simple.
As shown in fig. 1 to 10, for the convenience of operation, the automatic dismounting device for the bearing 120 of the wringing roller 100 is further provided with a control panel (not shown), and the control panel is electrically connected with the driving motor 240, the first hydraulic cylinder 320, the second hydraulic cylinder 430, the third hydraulic cylinder 270 and the cylinder 422. An electrical box 201 and a hydraulic system 204 are correspondingly arranged on the frame 200. Meanwhile, the control panel is electrically connected to both the main console box 202 and the sub console box 203. The main operation box 202 and the sub operation box 203 are identical in structure and are mutually standby. Taking the main operation box 202 as an example, the main operation box 202 is provided with a plurality of control buttons for controlling the actuating mechanism of the automatic dismounting device, and the automatic dismounting device mainly comprises: the automatic positioning device comprises a 'starting' button for controlling the positioning frame 220 to lift, a roller diameter parameter input window for controlling the positioning frame 220 to lift to a specific position, an 'A hydraulic cylinder extending' and 'A hydraulic cylinder retracting' button for controlling the action of a first hydraulic cylinder 320 or a second hydraulic cylinder 430 at the left end of the rack 200, a 'B hydraulic cylinder extending' and 'B hydraulic cylinder retracting' button for controlling the action of the first hydraulic cylinder 320 or the second hydraulic cylinder 430 at the right end of the rack 200, an 'A baffle lifting' and 'A baffle descending' button for controlling the action of a cylinder 422 at the left end of the rack 200, a 'B baffle lifting' and 'B baffle descending' button for controlling the action of the cylinder 422 at the right end of the rack 200, and a 'wringing roller supporting plate 230 lifting' and a 'wringing roller supporting plate 230 descending' button for controlling the action of a third hydraulic cylinder 270.
As shown in fig. 1, 2, 3, 4 and 10, taking the installation of the bearing 120 of the wringing roller as an example, the method sequentially comprises the following steps: 1) the mandrel 110 of the drying roll 100 is arranged in the roller barrel 140, the bearings 120 are sleeved at the two ends of the mandrel 110, and the roll diameter parameters (including the diameter of the roller barrel 140, the diameter of the mandrel 110 and the like) of the drying roll 100 are input into a roll diameter parameter input window of the main operation box 202; 2) pressing the button of rising of the wringing roller supporting plate 230, actuating the cylinder 422, rising of the wringing roller supporting plate 230, pushing the wringing roller 100 onto the wringing roller supporting plate 230, pressing the button of falling of the wringing roller supporting plate 230, actuating the cylinder 422, and making the wringing roller 100 fall into the positioning groove 221; 3) pressing the start button of the main operation box 202 drives the motor 240 to act, and the wringing roller 100 descends to the working axis position; 4) when the buttons of the A hydraulic cylinder extending and the B hydraulic cylinder extending are pressed, the hydraulic cylinders 320 at the left end and the right end of the frame 200 act to push the bearing 120 on the mandrel 110 into the built-in bearing cavity 130.
Certainly, for convenience of operation, a pressure sensor may be installed on the first hydraulic cylinder 320, and the pressure sensor is connected to the control panel and is used for detecting whether the bearing 120 is pushed into the built-in bearing cavity 130 in place or not, so as to control the operation of driving the first hydraulic cylinder 320; a driving device can be arranged below the first table top board 340 and the second table top board 440 and used for driving the first table top board 340 and the second table top board 440 to ascend and descend, various types of extrusion rollers applicable to the bearing mounting assembly 300 and the bearing dismounting assembly 400 are further expanded, and the adjustment of the placing position of the extrusion rollers 100 to the working position is more flexible; a "reset" button may also be provided for returning each actuator to an initial position, etc.
As shown in fig. 5 to 10, the bearing 120 of the wringing roller 100 is detached from and installed differently, except that the bearing detaching assemblies 400 are installed at both ends of the frame 200, which mainly differs from step 4). When the wringing roller 100 descends to the working axis, the 'A hydraulic cylinder extends out' button is pressed, the hydraulic cylinder II 430 positioned at the left end of the frame 200 acts, the corresponding bearing detaching top head 410 acts on the left end part of the mandrel 110, when the right end part of the mandrel 110 drives the bearing 120 to move to the right side of the bearing baffle 421, the 'A hydraulic cylinder retracts' button is pressed, and the corresponding bearing detaching top head 410 retracts; then, by pressing the "B barrier up" button, the bearing barrier 421 at the right end of the frame 200 is raised, and by pressing the "B cylinder out" button, the corresponding bearing removing plug 410 acts on the right end of the spindle 110, and the bearing 120 at the right end of the spindle 110 is removed. The removal of the bearing 120 at the left end of the wringing roller 100 is substantially the same as the above-described steps and will not be described in detail.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides an automatic dismouting device of wringing roller bearing, includes frame (200), its characterized in that: a bracket unit (210) for supporting the drying roller (100) is arranged on the rack (200); two ends of the frame (200) are respectively provided with a bearing dismounting assembly (400) or a bearing mounting assembly (300); the bearing mounting assembly (300) comprises a bearing mounting pressure cylinder (310) movable along a working axis; the bearing disassembling assembly (400) comprises a bearing disassembling baffle seat (420) and a bearing disassembling top head (410) which can move along a working axis, and a bearing baffle (421) which can lift up and down is arranged on the bearing disassembling baffle seat (420).
2. The automatic dismounting device of the wringing roller bearing according to claim 1, wherein: the bearing mounting assembly (300) further comprises a first hydraulic cylinder (320) and a bearing bracket (330) arranged along the working axis, and the bearing mounting pressing cylinder (310) is mounted at the free end of a piston rod of the first hydraulic cylinder (320).
3. The automatic dismounting device of the wringing roller bearing according to claim 2, wherein: a first table board (340) is detachably connected to the rack (200), and the bearing mounting assembly (300) is arranged on the end face of the first table board (340).
4. The automatic dismounting device of the wringing roller bearing according to claim 1, wherein: the bearing dismounting assembly (400) further comprises a second hydraulic cylinder (430) and a cylinder (422), the dismounting bearing ejector head (410) is installed at the free end of the piston rod of the second hydraulic cylinder (430), and the bearing baffle plate (421) is connected with the free end of the piston rod of the cylinder (422).
5. The automatic dismounting device of the wringing roller bearing according to claim 1 or 4, wherein: the bearing detaching assembly (400) is further provided with a mandrel bracket (424), and the mandrel bracket (424) is arranged along the working axis and is arranged at intervals with the bearing baffle plate (421).
6. The automatic dismounting device for the wringing roller bearing, according to claim 4, is characterized in that a second table panel (440) is detachably connected to the machine frame (200), and the bearing dismounting assembly (400) is arranged on the end face of the second table panel (440).
7. The automatic dismounting device of the wringing roller bearing according to claim 5, wherein: the bearing dismounting assembly (400) further comprises a mandrel lengthening head (425) which is detachably sleeved at the end part of the mandrel (110).
8. The automatic dismounting device of the wringing roller bearing according to claim 1, wherein: the bracket unit (210) comprises a positioning frame (220) capable of ascending and descending up and down, and the positioning frame (220) is used for supporting the squeezing roller (100).
9. The automatic dismounting device of the wringing roller bearing according to claim 8, wherein: the bracket unit (210) further comprises a bracket support (290), a driving motor (240) arranged on the bracket support (290), a screw nut pair (280) and a jacking assembly (250); the bracket (290) is connected with the positioning frame (220) in a vertical sliding manner; the driving motor (240) is connected with the jacking assembly (250) through the screw-nut pair (280), and the jacking assembly (250) is abutted against the lower end of the positioning frame (220).
10. The automatic dismounting device of the wringing roller bearing according to claim 8, wherein: the upper end of the positioning frame (220) is provided with a positioning groove (221); a wringing roller supporting plate (230) capable of lifting up and down relative to the positioning frame (220) is arranged on one side of the positioning frame (220); when the wringing roller supporting plate (230) is located at the lowest position, the upper end surface of the wringing roller supporting plate is lower than or flush with the bottom surface of the positioning groove (221).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011526621.5A CN112621157B (en) | 2020-12-22 | 2020-12-22 | Automatic dismounting device for wringing roller bearing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011526621.5A CN112621157B (en) | 2020-12-22 | 2020-12-22 | Automatic dismounting device for wringing roller bearing |
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| CN112621157A true CN112621157A (en) | 2021-04-09 |
| CN112621157B CN112621157B (en) | 2022-03-11 |
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| CN202011526621.5A Active CN112621157B (en) | 2020-12-22 | 2020-12-22 | Automatic dismounting device for wringing roller bearing |
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| CN211162776U (en) * | 2019-12-11 | 2020-08-04 | 北京中煤煤炭洗选技术有限公司 | Hydraulic bearing dismounting machine |
| CN211361263U (en) * | 2019-10-31 | 2020-08-28 | 上海双彩吉智能科技有限公司 | Bearing press-in mechanism |
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