CN109433540B - Screw rod fixing mechanism and screw rod oiling device - Google Patents
Screw rod fixing mechanism and screw rod oiling device Download PDFInfo
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- CN109433540B CN109433540B CN201910005987.9A CN201910005987A CN109433540B CN 109433540 B CN109433540 B CN 109433540B CN 201910005987 A CN201910005987 A CN 201910005987A CN 109433540 B CN109433540 B CN 109433540B
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- screw rod
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- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 230000033001 locomotion Effects 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 11
- 238000005299 abrasion Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
Abstract
The invention provides a screw rod fixing mechanism and a screw rod oiling device, and relates to the technical field of screw rod production, wherein the screw rod fixing mechanism comprises: the device comprises a first driving assembly, a second driving assembly, a floating tool and a clamping tool; the floating tool comprises a supporting block and a first positioning shaft, wherein a first driving assembly is in transmission connection with the supporting block, the first positioning shaft is in rotary connection with the supporting block, and the first driving assembly is used for driving the supporting block and the first positioning shaft to move in a direction close to or far away from a second driving assembly; the clamping tool comprises a connecting part and a second positioning shaft, the second driving assembly is in transmission connection with the connecting part, the second positioning shaft is in rotary connection with the connecting part, and the second driving assembly is used for driving the connecting part and the second positioning shaft to move in a direction close to or far away from the first driving assembly. The screw rod fixing mechanism provided by the invention relieves the technical problem of abrasion in the moving process of the screw rod in the related technology.
Description
Technical Field
The invention relates to the technical field of screw rod production, in particular to a screw rod fixing mechanism and a screw rod oiling device.
Background
The screw is an important part of the steering gear, and oil lubrication is required after assembly. When the screw rod is oiled, the screw nut is fixed, the screw rod is pushed to move along the axis direction of the screw rod relative to the screw nut through the clamping device, and the screw rod rotates around the axis of the screw rod relative to the clamping device in the moving process, so that abrasion is generated on the screw rod.
Disclosure of Invention
The first aspect of the present invention provides a screw fixing mechanism, so as to alleviate the technical problem of abrasion generated in the moving process of the screw in the related art.
The screw rod fixing mechanism provided by the invention comprises: the device comprises a first driving assembly, a second driving assembly, a floating tool and a clamping tool; the floating tool comprises a supporting block and a first positioning shaft, the first driving assembly is in transmission connection with the supporting block, the first positioning shaft is in rotary connection with the supporting block, and the first driving assembly is used for driving the supporting block and the first positioning shaft to move in a direction which is close to or far away from the second driving assembly;
the clamping tool comprises a connecting part and a second positioning shaft, wherein the second driving assembly is in transmission connection with the connecting part, the second positioning shaft is in rotary connection with the connecting part, and the second driving assembly is used for driving the connecting part and the second positioning shaft to move in a direction close to or far away from the first driving assembly.
Optionally, the floating fixture comprises a limiting sleeve, wherein the length of the limiting sleeve is smaller than that of the first positioning shaft, and the limiting sleeve is movably sleeved on the first positioning shaft.
Optionally, the first driving assembly includes a supporting moving plate and a supporting adjusting piece, the supporting moving plate is movably connected with the first driving assembly, the supporting block is connected with the supporting moving plate, and the first positioning shaft is rotatably connected with the supporting block;
the support adjusting piece is in transmission connection with the support moving plate and the first driving assembly respectively, and the support adjusting piece is used for driving the support moving plate to move along a first direction relative to the first driving assembly.
Optionally, the lead screw fixing mechanism comprises a supporting component, the supporting component comprises a push rod, and the push rod is positioned on one side of the supporting block, which is away from the limiting sleeve, and is in sliding fit with the supporting block.
Optionally, the supporting component includes ejector pin fixed plate, ejector pin movable plate and ejector pin regulating part, the ejector pin install in the ejector pin movable plate, the ejector pin movable plate with ejector pin fixed plate swing joint, the ejector pin regulating part respectively with the ejector pin fixed plate with the ejector pin movable plate is connected, the ejector pin regulating part is used for adjusting the ejector pin movable plate is relative the position that the ejector pin moved the fixed plate.
Optionally, the first drive assembly includes first linear drive spare and driving medium, first linear drive spare with the driving medium transmission is connected, the supporting shoe install in the driving medium, and with press from both sides tight frock is relative.
Optionally, the first drive assembly includes first locating part and second locating part, follows the direction of motion of driving medium first locating part with the second locating part is located the both sides of driving medium, first locating part with the cooperation of second locating part is used for prescribing a limit to the range of motion of driving medium.
Optionally, the second driving assembly includes second linear driving piece and roof, the second linear driving piece with roof transmission is connected, connecting portion install in the roof, and with it is relative to float frock.
Optionally, the connecting part comprises a first connecting plate, a second connecting plate, a first adjusting piece and a second adjusting piece, the first connecting plate is movably connected with the top plate, the second connecting plate is movably connected with the first connecting plate, and the second positioning shaft is rotatably connected with the second connecting plate;
the first adjusting piece is connected with the top plate and the first connecting plate respectively, the first adjusting piece is used for adjusting the first connecting plate to move along a first direction relative to the top plate, the second adjusting piece is connected with the first connecting plate and the second connecting plate respectively, the second adjusting piece is used for adjusting the second connecting plate to move along a second direction relative to the first connecting plate, and the first direction is perpendicular to the second direction.
The second aspect of the invention provides a screw rod oiling device, so as to alleviate the technical problem of abrasion generated in the moving process of the screw rod in the related art.
The screw rod oiling device provided by the invention comprises the screw rod fixing mechanism.
The invention provides a screw rod fixing mechanism and a screw rod oiling device, wherein the screw rod fixing mechanism comprises: the device comprises a first driving assembly, a second driving assembly, a floating tool and a clamping tool; the floating tool comprises a supporting block and a first positioning shaft, wherein a first driving assembly is in transmission connection with the supporting block, the first positioning shaft is in rotary connection with the supporting block, and the first driving assembly is used for driving the supporting block and the first positioning shaft to move in a direction close to or far away from a second driving assembly; the clamping tool comprises a connecting part and a second positioning shaft, the second driving assembly is in transmission connection with the connecting part, the second positioning shaft is in rotary connection with the connecting part, and the second driving assembly is used for driving the connecting part and the second positioning shaft to move in a direction close to or far away from the first driving assembly. When the screw rod is fixed, one end of the screw rod is abutted with the first positioning shaft, the axis of the screw rod is overlapped with the axis of the first positioning shaft, the second driving assembly drives the connecting part and the second positioning shaft to move in the direction of approaching the screw rod, the second positioning shaft is abutted with the other end of the screw rod, and the first positioning shaft and the second positioning shaft are matched to clamp the screw rod; in the oiling process, the first driving component is matched with the second driving component, the screw rod is driven to do reciprocating motion along the axis of the screw rod through the first positioning shaft and the second positioning shaft, and when the screw rod rotates, the screw rod drives the first positioning shaft to rotate relative to the supporting block around the axis of the screw rod, and meanwhile drives the second positioning shaft to rotate relative to the connecting part around the axis of the screw rod.
Compared with the prior art, in the oiling process of the screw rod fixing mechanism, the first positioning shaft and the second positioning shaft matched with the screw rod rotate with the screw rod at the same time, so that abrasion to the screw rod is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the related art, the drawings that are required to be used in the description of the embodiments or the related art will be briefly described, and it is apparent that the drawings in the description below are some embodiments of the present invention, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.
Fig. 1 is a schematic structural diagram of a first driving assembly and a floating tool of a screw rod fixing mechanism according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second driving assembly and a clamping tool of the screw fixing mechanism according to an embodiment of the present invention.
Icon: 110-a first cylinder; 120-driving piece; 121-a horizontal mounting plate; 122-a slider mounting plate; 130-stopping at the lower gear; 140-stopping up; 150-connecting rods; 210-a second cylinder; 220-top plate; 230-a guide rod; 300-floating tooling; 310-supporting blocks; 320-a first positioning shaft; 330-limiting sleeve; 340-supporting a moving plate; 350-supporting an adjustment; 351-supporting an adjusting screw; 352-support stopper; 411-first connection plate; 412-a second connection plate; 413-a first adjustment member; 4131-a first adjusting screw; 4132-a first stopper; 414-a second adjustment member; 4141-a second adjusting screw; 4142-a second stopper; 420-a second positioning shaft; 500-a support assembly; 510-ejector pins; 520-ejector rod fixing plate; 530-a push rod moving plate; 540-a push rod adjusting piece; 541-a push rod adjusting screw; 542-ejector rod limiting block.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 and 2, the screw fixing mechanism provided in the embodiment of the present invention includes: the first drive assembly, the second drive assembly, the floating tooling 300 and the clamping tooling; the floating tool 300 comprises a supporting block 310 and a first positioning shaft 320, wherein a first driving assembly is in transmission connection with the supporting block 310, the first positioning shaft 320 is in rotary connection with the supporting block 310, and the first driving assembly is used for driving the supporting block 310 and the first positioning shaft 320 to move towards a direction approaching to or far from a second driving assembly; the clamping tool comprises a connecting part and a second positioning shaft 420, a second driving assembly is in transmission connection with the connecting part, the second positioning shaft 420 is in rotary connection with the connecting part, and the second driving assembly is used for driving the connecting part and the second positioning shaft 420 to move in a direction close to or far away from the first driving assembly.
Specifically, a nut positioning tool is arranged between the floating tool 300 and the clamping tool, and the nut positioning tool is arranged on the frame, so that the nut is positioned between the floating tool 300 and the clamping tool. In the oiling process, the screw rod is driven to reciprocate along the axial direction of the screw rod, and oiling is carried out on the appointed position of the screw rod.
Optionally, the floating fixture 300 includes a stop collar 330, where the length of the stop collar 330 is smaller than that of the first positioning shaft 320, and is movably sleeved on the first positioning shaft 320.
Specifically, the inner diameter of the stop collar 330 is equal to the outer diameter of the first positioning shaft 320, and the stop collar 330 can slide along the length direction of the first positioning shaft 320 relative to the first positioning shaft 320. When the screw rod is installed, the limiting sleeve 330 is enabled to slide upwards along the axial direction of the first positioning shaft 320, the upper end of the limiting sleeve 330 is higher than the upper end of the first positioning shaft 320, the lower end of the screw rod can be placed in the limiting sleeve 330, the limiting sleeve 330 limits the screw rod, and the screw rod is convenient to be coaxial with the first positioning shaft 320. The second driving assembly drives the second positioning shaft 420 to move towards the direction approaching the first positioning shaft 320, and the first positioning shaft 320 is better matched with the second positioning shaft 420 to clamp the screw rod. In the oiling process, the first driving assembly and the second driving assembly are matched to drive the screw rod to reciprocate along the axis direction of the screw rod.
Optionally, the first driving assembly includes a support moving plate 340 and a support adjusting member 350, the support moving plate 340 is movably connected with the first driving assembly, the support block 310 is connected with the support moving plate 340, and the first positioning shaft 320 is rotatably connected with the support block 310; the support adjusting member 350 is in driving connection with the support moving plate 340 and the first driving assembly, and the support adjusting member 350 is used for driving the support moving plate 340 to move along the first direction relative to the first driving assembly.
Optionally, the first driving assembly includes a first linear driving member and a transmission member 120, where the first linear driving member is in transmission connection with the transmission member 120, and the support block 310 is installed on the transmission member 120 and opposite to the clamping tool.
In some embodiments, the first linear driving member includes a cylinder or a hydraulic cylinder, and in this embodiment, the first linear driving member is a cylinder, specifically, the first cylinder 110. The driving medium 120 includes the horizontal mounting panel 121 that sets up along the horizontal direction and the slider mounting panel 122 that sets up along the vertical direction, and horizontal mounting panel 121 and slider mounting panel 122 fixed connection, first cylinder 110 are installed in the frame to with slider mounting panel 122 transmission is connected, the surface that the frame is relative with slider mounting panel 122 is equipped with the slide rail that extends along the vertical direction, installs on the slider mounting panel 122 with slide rail sliding fit's slider. The horizontal mounting plate 121 is positioned on the side of the slider mounting plate 122 facing away from the frame, and the support moving plate 340 is slidably connected to the upper surface of the horizontal mounting plate 121. The support block 310 is mounted on the upper surface of the support moving plate 340 by bolts, and the first positioning shaft 320 is positioned above the support block 310 and rotatably connected with the support block 310. The support adjusting member 350 includes a support adjusting screw 351 and a support stopper 352, the support moving plate 340 is provided with a support adjusting screw hole, the length direction of the support adjusting screw hole is the same as the first direction, and the support stopper 352 is mounted on the horizontal mounting plate 121 and opposite to the support adjusting screw hole. The supporting adjusting screw 351 is clamped on the supporting limiting block 352 and is matched with the supporting adjusting threaded hole. The supporting moving plate 340 is adjusted to drive the first positioning shaft 320 to move along the first direction by rotating the supporting adjusting screw 351, so that coaxiality of the first positioning shaft 320 and the second positioning shaft 420 is adjusted, and the screw is clamped better.
Optionally, the screw fixing mechanism includes a supporting component 500, where the supporting component 500 includes a push rod 510, and the push rod 510 is located on a side of the supporting block 310 facing away from the limiting sleeve 330 and is slidably matched with the supporting block 310.
Specifically, the number of the ejector pins 510 is two, and the two ejector pins 510 are arranged along the vertical direction and are fixedly connected with the supporting component 500. In some embodiments, the two ejector pins 510 are located at two sides of the horizontal mounting plate 121 along the second direction, and the outer diameter of the stop collar 330 is greater than the widths of the horizontal mounting plate 121 and the support block 310 along the second direction. In other embodiments, two through holes are respectively formed on the horizontal mounting plate 121 and the supporting block 310, and the two through holes on the horizontal mounting plate 121 are correspondingly communicated with the two through holes on the supporting block 310. The outer peripheral wall of the stop collar 330 is opposite to the two through holes, and the two push rods 510 are slidably engaged with the corresponding through holes. When the first cylinder 110 drives the horizontal mounting plate 121 to be at the lowest position, the ejector rod 510 jacks up the limit sleeve 330, so that the upper end of the limit sleeve 330 is higher than the upper end of the first positioning shaft 320, the screw rod is conveniently positioned, when the first cylinder 110 drives the horizontal mounting plate 121 to move to a certain height, the ejector rod 510 is separated from the limit sleeve 330, and under the action of self gravity, the limit sleeve 330 slides downwards, so that the upper end surface of the limit sleeve 330 is lower than the upper end surface of the first positioning shaft 320. The position of the stop collar 330 relative to the first positioning shaft 320 is automatically adjusted by the push rod 510.
Optionally, the supporting component 500 includes a push rod fixing plate 520, a push rod moving plate 530 and a push rod adjusting member 540, the push rod 510 is mounted on the push rod moving plate 530, the push rod moving plate 530 is movably connected with the push rod fixing plate 520, the push rod adjusting member 540 is respectively connected with the push rod fixing plate 520 and the push rod moving plate 530, and the push rod adjusting member 540 is used for adjusting the position of the push rod moving plate 530 relative to the push rod fixing plate 520.
The ejector pin fixing plate 520 may be fixedly mounted to the frame by bolts, the ejector pin moving plate 530 is slidably connected to the upper surface of the ejector pin fixing plate 520, and the ejector pin 510 is fixedly mounted to the upper surface of the ejector pin moving plate 530. The ejector rod adjusting member 540 includes an ejector rod adjusting screw 541 and an ejector rod limiting block 542, the ejector rod moving plate 530 is provided with an ejector rod adjusting screw hole, the length direction of the ejector rod adjusting screw hole is the same as the first direction, and the ejector rod limiting block 542 is mounted on the top plate 220 fixing plate and opposite to the ejector rod adjusting screw hole. The ejector rod adjusting screw 541 is clamped on the ejector rod limiting block 542 and is matched with the ejector rod adjusting threaded hole. The first positioning shaft 320 is driven to move along the first direction by rotating the push rod 510 to adjust the threaded rod adjusting plate 530, thereby adjusting the relative position of the push rod 510 and the stop collar 330.
Optionally, the first driving component includes a first limiting member and a second limiting member, the first limiting member and the second limiting member are disposed on two sides of the driving member 120 along a movement direction of the driving member 120, and the first limiting member and the second limiting member are matched to define a movement range of the driving member 120.
Specifically, the first stop includes a lower stop 130 and the second stop includes an upper stop 140. The first cylinder 110 is connected with the slider mounting plate 122 through a connecting rod 150, and the lower stop 130 is located below the connecting rod 150 and mounted on the frame. The upper stop 140 is located above the slider mounting plate 122 and mounted to the frame. The upper stop 140 cooperates with the lower stop 130 to limit the range of movement of the slider mounting plate 122 and thus limit the range of oiling the screw.
Further, the floating tool 300 is detachably connected with the connecting piece, the lengths of the first positioning shafts 320 in the floating tools 300 of different models are different, and the upper limit position of the screw rod oiling is changed by replacing the floating tool 300. The upper stop 140 is cylindrical and detachably connected with the frame, the lengths of the upper stops 140 of different models are different, and the lower limit position of the screw rod oiling is changed by changing the upper stop 140.
Optionally, the second driving assembly includes a second linear driving member and a top plate 220, where the second linear driving member is in driving connection with the top plate 220, and the connecting portion is installed on the top plate 220 and opposite to the floating tool 300.
In some embodiments, the second linear driving member includes a cylinder or a hydraulic cylinder, and in this embodiment, the second linear driving member includes a cylinder, specifically, a second cylinder 210, where the second cylinder 210 is located above the first cylinder 110 and is mounted on the frame. The top plate 220 is positioned below the second cylinder 210 and connected with a piston rod of the second cylinder 210, and a guide rod 230 in sliding fit with the frame is mounted on the upper surface of the top plate 220. The connection part is mounted on the lower surface of the top plate 220, and the second positioning shaft 420 is rotatably connected with the lower surface of the connection part. The second cylinder 210 drives the second positioning shaft 420 to move along the vertical direction through the top plate 220, and the guide rod 230 guides and limits the movement of the top plate 220, so that the stability of the movement of the top plate 220 is improved.
Optionally, the connecting portion includes a first connecting plate 411, a second connecting plate 412, a first adjusting member 413 and a second adjusting member 414, the first connecting plate 411 is movably connected with the top plate 220, the second connecting plate 412 is movably connected with the first connecting plate 411, and the second positioning shaft 420 is rotatably connected with the second connecting plate 412; the first adjusting piece 413 is connected with the top plate 220 and the first connecting plate 411 respectively, the first adjusting piece 413 is used for adjusting the first connecting plate 411 to move along a first direction relative to the top plate 220, the second adjusting piece 414 is connected with the first connecting plate 411 and the second connecting plate 412 respectively, the second adjusting piece 414 is used for adjusting the second connecting plate 412 to move along a second direction relative to the first connecting plate 411, and the first direction is perpendicular to the second direction.
The first connecting plate 411 is movably connected with the lower surface of the top plate 220, the second connecting plate 412 is movably connected with the lower surface of the first connecting plate 411, and the second positioning shaft 420 is rotatably connected with the second connecting plate 412 through a bearing. The first adjusting member 413 includes a first adjusting screw 4131 and a first limiting block 4132, the first connecting plate 411 is provided with a first adjusting threaded hole, the length direction of the first adjusting threaded hole is the same as the first direction, the first limiting block 4132 is mounted on the top plate 220 and opposite to the first adjusting threaded hole, and the first adjusting screw 4131 is clamped with the first limiting block 4132 and is matched with the first adjusting threaded hole. The second adjusting member 414 includes a second adjusting screw 4141 and a second limiting block 4142, the second connecting plate 412 is provided with a second adjusting threaded hole, the length direction of the second adjusting threaded hole is the same as the second direction, the second limiting block 4142 is mounted on the first connecting plate 411 and opposite to the second adjusting threaded hole, and the second adjusting screw 4141 is clamped with the second limiting block 4142 and is matched with the second adjusting threaded hole. By rotating the first adjusting screw 4131, the first connecting plate 411 drives the second positioning shaft 420 to move along the first direction, and by rotating the second adjusting rod, the second connecting plate 412 drives the second positioning shaft 420 to move along the second direction, so that the coaxiality of the second positioning shaft 420 and the first positioning shaft 320 is adjusted, and the screw rod is better clamped.
The second aspect of the embodiment of the invention provides a screw rod oiling device, which is used for relieving the technical problem of abrasion in the moving process of a screw rod in the related art.
The screw rod oiling device provided by the embodiment of the invention comprises the screw rod fixing mechanism.
The screw rod oiling device provided by the embodiment of the invention comprises a frame and an oiling mechanism, wherein the screw rod fixing mechanism and the oiling mechanism are both arranged on the frame. The oiling mechanism comprises an oiling head, the oiling head is fixed in position and opposite to the screw after the screw is fixed through the screw fixing mechanism, the first driving assembly is matched with the second driving assembly, and the screw is driven to reciprocate along the axis of the screw relatively through the first positioning shaft 320 and the second positioning shaft 420, so that the oiling head can coat lubricating oil on the appointed range of the periphery of the screw.
The embodiment of the invention provides a screw rod fixing mechanism and a screw rod oiling device, wherein the screw rod fixing mechanism comprises: the first drive assembly, the second drive assembly, the floating tooling 300 and the clamping tooling; the floating tool 300 comprises a supporting block 310 and a first positioning shaft 320, wherein a first driving assembly is in transmission connection with the supporting block 310, the first positioning shaft 320 is in rotary connection with the supporting block 310, and the first driving assembly is used for driving the supporting block 310 and the first positioning shaft 320 to move towards a direction approaching to or far from a second driving assembly; the clamping tool comprises a connecting part and a second positioning shaft 420, a second driving assembly is in transmission connection with the connecting part, the second positioning shaft 420 is in rotary connection with the connecting part, and the second driving assembly is used for driving the connecting part and the second positioning shaft 420 to move in a direction close to or far away from the first driving assembly. When the screw rod is fixed, one end of the screw rod is abutted with the first positioning shaft 320, the axis of the screw rod is overlapped with the axis of the first positioning shaft 320, the second driving assembly drives the connecting part and the second positioning shaft 420 to move towards the direction close to the screw rod, the second positioning shaft 420 is abutted with the other end of the screw rod, and the first positioning shaft 320 and the second positioning shaft 420 are matched to clamp the screw rod; in the oiling process, the first driving assembly is matched with the second driving assembly, the first positioning shaft 320 and the second positioning shaft 420 drive the screw rod to reciprocate along the axis of the screw rod, and when the screw rod rotates, the screw rod drives the first positioning shaft 320 to rotate around the axis of the screw rod relative to the supporting block 310, and simultaneously drives the second positioning shaft 420 to rotate around the axis of the screw rod relative to the connecting part.
Compared with the related art, in the oiling process of the screw rod fixing mechanism provided by the embodiment of the invention, the first positioning shaft 320 and the second positioning shaft 420 matched with the screw rod rotate with the screw rod at the same time, so that the screw rod is prevented from being worn.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (8)
1. A screw rod fixing mechanism, comprising: the device comprises a first driving assembly, a second driving assembly, a floating tool and a clamping tool; the floating tool comprises a supporting block and a first positioning shaft, the first driving assembly is in transmission connection with the supporting block, the first positioning shaft is in rotary connection with the supporting block, and the first driving assembly is used for driving the supporting block and the first positioning shaft to move in a direction which is close to or far away from the second driving assembly;
the clamping tool comprises a connecting part and a second positioning shaft, the second driving assembly is in transmission connection with the connecting part, the second positioning shaft is in rotary connection with the connecting part, and the second driving assembly is used for driving the connecting part and the second positioning shaft to move in a direction which is close to or far away from the first driving assembly;
the floating tool comprises a limiting sleeve, wherein the length of the limiting sleeve is smaller than that of the first positioning shaft, and the limiting sleeve is movably sleeved on the first positioning shaft;
the screw rod fixing mechanism comprises a supporting component, the supporting component comprises a push rod, and the push rod is positioned on one side of the supporting block, which is away from the limit sleeve, and is in sliding fit with the supporting block;
when the first driving assembly drives the supporting block to be located at the lowest position, the ejector rod jacks up the limiting sleeve, so that the upper end of the limiting sleeve is higher than the upper end of the first positioning shaft, the screw rod is conveniently positioned, when the first driving assembly drives the supporting block to move to a certain height, the ejector rod is separated from the limiting sleeve, the limiting sleeve slides downwards under the action of gravity, the upper end face of the limiting sleeve is lower than the upper end face of the first positioning shaft, and the position of the limiting sleeve relative to the first positioning shaft is automatically adjusted through the ejector rod.
2. The screw fixation mechanism of claim 1, wherein the first driving assembly comprises a support moving plate and a support adjusting member, the support moving plate is movably connected with the first driving assembly, the support block is connected with the support moving plate, and the first positioning shaft is rotatably connected with the support block;
the support adjusting piece is in transmission connection with the support moving plate and the first driving assembly respectively, and the support adjusting piece is used for driving the support moving plate to move along a first direction relative to the first driving assembly.
3. The screw fixing mechanism according to claim 1, wherein the supporting assembly comprises a screw fixing plate, a screw moving plate and a screw adjusting member, the screw is mounted on the screw moving plate, the screw moving plate is movably connected with the screw fixing plate, the screw adjusting member is respectively connected with the screw fixing plate and the screw moving plate, and the screw adjusting member is used for adjusting the position of the screw moving plate relative to the screw fixing plate.
4. The screw fixation mechanism of claim 1, wherein the first drive assembly comprises a first linear drive member and a transmission member, the first linear drive member is in driving connection with the transmission member, and the support block is mounted to the transmission member and is opposite to the clamping fixture.
5. The screw fixation mechanism of claim 4, wherein the first drive assembly comprises a first stop member and a second stop member, the first stop member and the second stop member are disposed on two sides of the transmission member along a movement direction of the transmission member, and the first stop member and the second stop member cooperate to define a movement range of the transmission member.
6. The screw fixation mechanism of claim 1, wherein the second drive assembly comprises a second linear drive and a top plate, the second linear drive is in driving connection with the top plate, and the connection portion is mounted on the top plate and opposite to the floating fixture.
7. The screw fixing mechanism according to claim 6, wherein the connecting portion includes a first connecting plate, a second connecting plate, a first adjusting member and a second adjusting member, the first connecting plate is movably connected with the top plate, the second connecting plate is movably connected with the first connecting plate, and the second positioning shaft is rotatably connected with the second connecting plate;
the first adjusting piece is connected with the top plate and the first connecting plate respectively, the first adjusting piece is used for adjusting the first connecting plate to move along a first direction relative to the top plate, the second adjusting piece is connected with the first connecting plate and the second connecting plate respectively, the second adjusting piece is used for adjusting the second connecting plate to move along a second direction relative to the first connecting plate, and the first direction is perpendicular to the second direction.
8. A screw oiling device comprising the screw fixing mechanism of any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910005987.9A CN109433540B (en) | 2019-01-03 | 2019-01-03 | Screw rod fixing mechanism and screw rod oiling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910005987.9A CN109433540B (en) | 2019-01-03 | 2019-01-03 | Screw rod fixing mechanism and screw rod oiling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109433540A CN109433540A (en) | 2019-03-08 |
| CN109433540B true CN109433540B (en) | 2024-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910005987.9A Active CN109433540B (en) | 2019-01-03 | 2019-01-03 | Screw rod fixing mechanism and screw rod oiling device |
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| CN111013875B (en) * | 2019-12-26 | 2020-11-27 | 浙江新益智能驱动科技有限公司 | A equipment that evenly oils for lead screw is automatic oils |
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| JP2000301423A (en) * | 1999-04-20 | 2000-10-31 | Amada Co Ltd | Bearing structure and bearing method of ball screw positioning device |
| CN205765110U (en) * | 2016-05-31 | 2016-12-07 | 苏州勤堡精密机械有限公司 | A kind of adjustable float supports clamping device |
| CN106334661A (en) * | 2016-11-30 | 2017-01-18 | 芜湖全程智能科技有限公司 | Method for Applying Grease on Screw Rod Assembly |
| CN206689741U (en) * | 2017-04-24 | 2017-12-01 | 深圳市精匠机器人科技有限公司 | The accurate processing and positioning device of revolute axle |
| CN207522177U (en) * | 2017-11-13 | 2018-06-22 | 宁波新世达精密机械有限公司 | A kind of gripping body of shaft-like workpiece automatic blanking device |
| CN207522155U (en) * | 2017-11-03 | 2018-06-22 | 南京泉峰汽车精密技术股份有限公司 | Suitable for the lathe clamping tool of special-shaped thin and long shafts part |
| CN209362904U (en) * | 2019-01-03 | 2019-09-10 | 博众精工科技股份有限公司 | Screw rod fixing mechanism and screw rod oiling station |
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2019
- 2019-01-03 CN CN201910005987.9A patent/CN109433540B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000301423A (en) * | 1999-04-20 | 2000-10-31 | Amada Co Ltd | Bearing structure and bearing method of ball screw positioning device |
| CN205765110U (en) * | 2016-05-31 | 2016-12-07 | 苏州勤堡精密机械有限公司 | A kind of adjustable float supports clamping device |
| CN106334661A (en) * | 2016-11-30 | 2017-01-18 | 芜湖全程智能科技有限公司 | Method for Applying Grease on Screw Rod Assembly |
| CN206689741U (en) * | 2017-04-24 | 2017-12-01 | 深圳市精匠机器人科技有限公司 | The accurate processing and positioning device of revolute axle |
| CN207522155U (en) * | 2017-11-03 | 2018-06-22 | 南京泉峰汽车精密技术股份有限公司 | Suitable for the lathe clamping tool of special-shaped thin and long shafts part |
| CN207522177U (en) * | 2017-11-13 | 2018-06-22 | 宁波新世达精密机械有限公司 | A kind of gripping body of shaft-like workpiece automatic blanking device |
| CN209362904U (en) * | 2019-01-03 | 2019-09-10 | 博众精工科技股份有限公司 | Screw rod fixing mechanism and screw rod oiling station |
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| CN109433540A (en) | 2019-03-08 |
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