CN114633101B - Full-automatic screw machine for installing anti-leakage water inlet pipe joint - Google Patents
Full-automatic screw machine for installing anti-leakage water inlet pipe joint Download PDFInfo
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- CN114633101B CN114633101B CN202210266322.5A CN202210266322A CN114633101B CN 114633101 B CN114633101 B CN 114633101B CN 202210266322 A CN202210266322 A CN 202210266322A CN 114633101 B CN114633101 B CN 114633101B
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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
- B23P19/04—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 for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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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
- B23P19/04—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 for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
- B23P19/065—Arrangements for torque limiters or torque indicators in screw or nut setting machines
Abstract
The invention discloses a full-automatic screw machine for installing a leakage-proof water inlet pipe joint, which comprises a first rotor, a tightening ring rotor and a motor, wherein the first rotor and the tightening ring rotor are driven by a constant speed transmission ratio or a speed reduction transmission ratio, the tightening ring rotor is sleeved on a nut to be screwed, and the motor drives the first rotor to rotate. The screw machine further comprises a mandrel, the mandrel is buckled at the end part of the screw to be locked, and the first rotor and the tightening ring rotor are rotatably arranged on the mandrel. When the nut is in the initial stage of screwing, the required screwing force is not large, the screwing speed is high so as to save screwing time, after the nut is screwed into the tightening position, the high screwing force is provided so that the fastener is fully pre-tightened, at the moment, the first rotor is in speed reduction transmission relative to the tightening ring rotor, and the high torque can be generated at the nut position by the low torque of the motor.
Description
Technical Field
The invention relates to the technical field of threaded fastener assembly tools, in particular to a full-automatic screw machine for installing a leakage-proof water inlet pipe joint.
Background
In the process of installing municipal water networks and water pipes entering communities, a plurality of fasteners such as screws (bolts) and nuts are needed, and the clamps are locked by using long screws matched with nuts at the positions of pipeline joints connected by the clamps.
The water inlet pipe needs to bear certain pressure of the upstream water flow, so that sealing performance of the water inlet pipe needs to be guaranteed to a certain extent, when the anti-leakage water inlet pipe is installed, pretightening force of each fastening screw needs to be controlled, leakage can be caused due to insufficient pretightening force and uneven pretightening force, structural deformation is easy to be caused due to excessive pretightening force, service life of a sealing element is shortened, and therefore, corresponding pretightening force control is needed for screwing of screws in occasions with higher anti-leakage requirements.
Screw installation of screwing, traditionally, general installer manually screw down, comparatively loaded down with trivial details and inefficiency to the installation of the thick pipeline of screw is more, moreover, the screw tightening force of manual screw down is less and inconsistent, be unfavorable for the sealed of pipeline joint position, in the prior art, some screw assembly's instrument has appeared, similar to handheld drill bit, use a hexagon head to cover the nut outward appearance, then the small-size motor drive in the instrument is rotatory, provide the force of screwing, such instrument has saved the manpower greatly, however, there is certain not enough: the tightening force of the tool is limited, larger tightening force cannot be provided at the final stage of tightening the nut, if larger tightening force is required, a tool with larger power needs to be replaced, and a reduction transmission structure is arranged in the tool, so that the tool has larger output torque under the condition that the power of a motor is unchanged, however, the tightening speed of the tightening tool is slower, the hexagon head rotates at a low speed, and a lot of time is consumed at the initial stage of tightening the screw, so that the quick assembly is not facilitated.
Disclosure of Invention
The invention aims to provide a full-automatic screw machine for installing a leakage-proof water inlet pipe joint, so as to solve the problems in the background art.
In order to solve the technical problems, the invention provides the following technical scheme:
a full-automatic screw machine for preventing leaking water inlet pipe joint installation, screw machine includes first rotor, screws up ring rotor, motor, and first rotor and screw up ring rotor and carry out the transmission with constant speed transmission ratio or speed reduction transmission ratio, screw up ring rotor cover and wait to screw on the nut of screwing, and motor drive first rotor is rotatory.
One end of the tightening ring rotor is sleeved with a nut, then, the motor drives the first rotor to rotate, when the nut is in an initial stage of tightening, the required tightening force is not large, but a large screwing speed is needed so as to save the screwing time, after the nut is screwed into a tightening position, a large screwing force is needed to be provided so that the fastener is fully pre-tightened, at the moment, the first rotor is in a speed-reducing transmission relative to the tightening ring rotor, the speed is reduced and the force is increased, and the small torque of the motor can also generate a large screwing force at the nut position.
Further, the screw machine further comprises a mandrel, the mandrel is buckled at the end part of the screw to be locked, and the first rotor and the tightening ring rotor are rotatably arranged on the mandrel. Because the first rotor and the tightening ring rotor need to rotate at different speeds at certain moments, the rotary installation of the first rotor and the tightening ring rotor needs to be independent and installed at two positions, and the rotation is carried out by the axis of the screw, so that the rotary installation position is taken on a mandrel coaxial with the screw, and the mandrel is in locking connection with the end part of the screw and coaxial with the end part of the screw.
Further, the screw machine also comprises a second rotor and a third rotor which are respectively and rotatably arranged on the mandrel, the first rotor, the second rotor, the third rotor and the tightening ring rotor are engaged in sequence by matching with the external-internal gears,
and the rotation and revolution interlocking control of the gear teeth on the second rotor and the third rotor, when the gear teeth on the second rotor and the third rotor rotate: the second rotor and the third rotor are locked at the revolution position on the mandrel respectively; when the second rotor and the third rotor revolve on the mandrel respectively, gear teeth on the second rotor and the third rotor are locked by autorotation.
The transmission ratio of the first rotor and the tightening ring rotor is switched through the second rotor and the third rotor, when the first rotor and the tightening ring rotor are required to drive at constant speed, the second rotor and the third rotor are locked to rotate and allowed to revolve, when the first rotor is required to drive towards the tightening ring rotor in a speed reducing mode, the second rotor and the third rotor are locked to revolve and allowed to rotate, after the rotation angular velocity and the rotation radius of the second rotor and the third rotor are reduced, the transmission ratio of the first rotor and the tightening ring rotor is the reciprocal of the rotation radius ratio of the second rotor and the tightening ring rotor, the speed reducing ratio can be realized by designing different radius ratios, and when the motor power is not well lifted due to the requirement of larger screwing force, the larger speed reducing ratio can be designed.
Further, the screw machine further comprises a mounting seat, the mounting seat is sleeved on the mandrel and locks the axial position through a set screw, the first rotor comprises a rotary table, the rotary table is rotatably mounted at one end, far away from a nut to be screwed, of the mandrel, the rotary table is connected with an output shaft of the motor, a main gear is arranged at the outer edge of the rotary table, the tightening ring rotor comprises a tightening ring, a connecting rod and a stress gear, the tightening ring is sleeved on the nut to be screwed, the connecting rod extends out of the outer wall of the tightening ring, the stress gear is arranged at the end part of the connecting rod, the axis of the stress gear is the mandrel, and the stress gear and the main gear are positioned on the same plane;
the second rotor comprises a revolution disc, a slide bar and a transfer gear, the revolution disc is rotatably arranged on the mounting seat, the slide bar is slidably arranged on the revolution disc, the sliding direction of the slide bar on the revolution disc is vertical to the mandrel, the transfer gear comprises a gear body and a gear shaft, the gear shaft is rotatably arranged at one end of the revolution disc far away from the mandrel, the axis of the gear shaft is parallel to the axis of the mandrel,
the mounting seat is provided with an autorotation groove, and the section of the autorotation groove on the mounting seat is positioned in the sliding direction of the sliding rod;
the gear shaft is provided with a revolution groove, and the section of the revolution groove on the gear shaft is positioned in the sliding direction of the sliding rod;
the third rotor has the same structure as the second rotor, the gear bodies on the second rotor and the third rotor are meshed with each other, the gear body on the second rotor is meshed with the main gear, and the gear body on the third rotor is meshed with the stress gear.
When the slide bar is embedded into the rotation groove, the second rotor is locked around the revolution of the mandrel, the gear body of the second rotor can only rotate, when the slide bar is separated from the rotation groove and is embedded into the revolution groove, the rotary movable connection of the gear shaft and the revolution disc is locked, the gear shaft and the gear body thereon can only revolve around the mandrel along with the revolution disc, the revolution-rotation conversion of the third rotor is the same as that of the second rotor, the motion states of the gear bodies and the stressed gears on the main gear, the second rotor and the third rotor are changed, the transmission ratio is changed, the position of the slide bar can be manually adjusted, and also can be automatically adjusted according to the rotation speed of the main gear.
Further, the first rotor also comprises a connecting frame, the connecting frame extends from the end face of the turntable towards one side of the second rotor, the tail end of the connecting frame is provided with a chute, a centrifugal rod and a centrifugal spring are arranged in the chute, one end of the centrifugal spring is fixed at the bottom of the chute, the other end of the centrifugal spring is connected with the end part of the centrifugal rod, the sliding direction of the chute is parallel to the sliding direction of the sliding rod,
the slide bar comprises a horizontal bar body, a stress bar body and a force transmission bar body, the horizontal bar body is slidably arranged on the revolution disc, the stress bar body and the force transmission bar body extend out of the horizontal bar body along the axial direction parallel to the mandrel,
the end part of the stressed rod body in the second rotor is positioned in the motion plane of the eccentric rod;
the dowel bar body in the second rotor is propped against the stressed bar body in the third rotor;
the rotation groove is internally provided with a rotation groove spring, the revolution groove is internally provided with a revolution groove spring, and the elastic coefficient of the revolution groove spring is higher than that of the rotation groove spring.
When the first rotor rotates, if the angular velocity is larger, the centrifugal rod can be subjected to larger centrifugal force to move radially outwards, the stressed rod body in the second rotor can be propped against the stressed rod body at a certain rotating angle and pushed towards the gear shaft, so that the horizontal rod body is separated from the rotation groove and embedded into the revolution groove, the force transmission rod body in the second rotor can push the sliding rod in the third rotor to unlock the revolution of the third rotor and lock the rotation,
the second rotor and the third rotor revolve freely and are locked by rotation, corresponding to the constant-speed transmission of the first rotor to the tightening ring rotor, namely, the first rotor needs to rotate at a relatively high ring screwing speed in the initial stage of nut rotation, and at the moment, when the first rotor can rotate rapidly, the centrifugal rod knows the rotating speed of the first rotor, so that whether the revolution and rotation states of the second rotor and the third rotor need to be switched or not is judged, the elastic coefficient of a revolution groove spring is higher than that of the rotation groove spring, the centrifugal rod can give the trend of the horizontal rod body to move towards the rotation groove in the low-speed state, so that the second rotor and the third rotor are converted to rotate back to lock revolution after the first rotor is reduced in speed, and at the moment, the ring screwing speed is further reduced, but the torque which can be provided is increased by times.
Further, the rotation groove spring is adhered to the bottom of the rotation groove, and the revolution groove spring is adhered to the bottom of the revolution groove. If the spring is freely placed in the groove, the revolution groove spring easily slides out of the revolution groove when the gear shaft rotates.
Further, the screw machine further comprises a cap, the cap comprises a thread sleeve and a square head, an internal thread blind hole is formed in the thread sleeve, the square head is arranged on the back surface of the thread sleeve, the thread sleeve is screwed on the top of the screw to be locked, a square hole is formed in one end, close to the screw, of the mandrel, and the square hole is embedded with the square head. The cap is screwed on the screw and then provides an installation position for the mandrel, and the cap is locked in a rotating way, so that the coaxiality is ensured.
Further, a window is arranged on the tightening ring rotor. The number of links cannot be excessive, and a window needs to be left with clearance so that an operator can extend into the window to dial the threaded sleeve to be concentrically arranged at the end of the screw.
Further, the screw machine also comprises a handle, and the motor shell is connected with the handle. The handle is convenient for the hand-held device to automatically screw the nut, and an external supporting frame is not required to be arranged.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, through the connection of the four rotating bodies, the rotation power from the motor is loaded on the nut to be screwed in two states, the nut is loosened at the initial stage of the screwing process, the motor drives the rotating speed of the first rotor to be transmitted to the screwing ring rotor in a one-to-one transmission ratio for quick screwing, and the nut can continue screwing only by larger screwing force at the later stage of the screwing process, at the moment, the transmission of the first rotor to the screwing ring rotor is a speed-down transmission, the transmitted torque is increased, so that the screwing of the nut can be more compact, the two states of change are changed through the switching of one sliding rod in the second rotor and the third rotor, the sliding rod is pushed by a centrifugal action centrifugal rod on the first rotor to change the position, and the centrifugal rod pushes the sliding rod to be embedded into two gear shafts for locking the rotation of the second rotor and the third rotor correspondingly, so that the first rotor and the screwing ring rotor can perform constant-speed transmission.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the transmission structure of the first rotor, the second rotor, the third rotor and the tightening ring rotor of the present invention;
fig. 3 is view a of fig. 1;
fig. 4 is view B in fig. 3;
fig. 5 is view C of fig. 3;
fig. 6 is view D of fig. 1;
in the figure: 1-core shaft, 11-square hole, 2-first rotor, 21-turntable, 211-main gear, 22-connecting frame, 221-chute, 23-centrifugal rod, 24-centrifugal spring, 3-second rotor, 31-revolution table, 32-slide bar, 321-horizontal shaft, 322-forced shaft, 323-force transmission shaft, 33-transfer gear, 331-gear shaft, 3311-revolution groove, 34-revolution groove spring, 4-third rotor, 5-tightening ring rotor, 51-tightening ring, 52-connecting rod, 53-force-receiving gear, 59-window, 6-cap, 61-thread bush, 62-square head, 7-mount, 71-rotation groove, 72-rotation groove spring, 8-motor, 9-handle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1-6, the present invention provides the following technical solutions:
a full-automatic screw machine for preventing leaking inlet tube joint installation, screw machine includes first rotor 2, screws up ring rotor 5, motor 8, and first rotor 2 and screw up ring rotor 5 and carry out the transmission with constant speed transmission ratio or speed reduction transmission ratio, screw up ring rotor 5 cover on the nut of waiting to screw up, and motor 8 drives first rotor 2 rotation.
As shown in fig. 1, one end of the tightening ring rotor 5 is sleeved with a nut, then the motor 8 drives the first rotor 2 to rotate, when the nut is in an initial stage of tightening, the required tightening force is not large, but a large screwing speed is required to save the screwing time, after the nut is screwed into a tightening position, a large screwing force is required to be provided for fully pre-tightening the fastener, at this time, the first rotor 2 is driven at a reduced speed relative to the tightening ring rotor 5, the speed is reduced and the force is increased, and the small torque of the motor 8 can also generate a large screwing force at the nut position.
The screw machine further comprises a mandrel 1, the mandrel 1 is buckled at the end part of a screw to be locked, and the first rotor 2 and the tightening ring rotor 5 are rotatably arranged on the mandrel 1. Because the first rotor 2 and the tightening ring rotor 5 need to rotate at different speeds at certain moments, their rotational mounting needs to be independent, and they are mounted in two positions, the rotation is performed by the axis of the screw, so that the rotational mounting position is taken on a spindle 1 coaxial with the screw, and the spindle 1 is in locking connection with the end of the screw and coaxial.
The screw machine also comprises a second rotor 3 and a third rotor 4, the second rotor 3 and the third rotor 4 are respectively and rotatably arranged on the mandrel 1, the first rotor 2, the second rotor 3, the third rotor 4 and the tightening ring rotor 5 are meshed by matching with gears from outside to inside in sequence,
the rotation and revolution interlocking control of the gear teeth on the second rotor 3 and the third rotor 4, when the gear teeth on the second rotor 3 and the third rotor 4 rotate: the revolution position of the second rotor 3 and the third rotor 4 on the mandrel 1 is locked; when the second rotor 3 and the third rotor 4 each revolve on the spindle 1, the gear teeth on the second rotor 3 and the third rotor 4 are locked by rotation.
As shown in fig. 1 and 2, the gear ratio switching between the first rotor 2 and the tightening ring rotor 5 is completed by the second rotor 3 and the third rotor 4, referring to fig. 2, the angular speed of the first rotor 2 is W1, the revolution angular speed of the second rotor 3 is G2, the rotation speed of the meshing gear is W2, the revolution angular speed of the third rotor 4 is G3, the rotation speed of the meshing gear is W3, the angular speed of the tightening ring rotor 5 is W4, when constant-speed transmission between the first rotor 2 and the tightening ring rotor 5 is required, the rotation of the second rotor 3 and the third rotor 4 is allowed, at this time, w1=g3=w4, w2=w3=0, when the first rotor 2 is required to be tightened down-driven, the revolution of the second rotor 3 and the third rotor 4 is allowed, at this time, g2=g3=0, after the rotation angle and the radius of the second rotor 3 and the third rotor 4 are eliminated, the rotation ratio between the first rotor 2 and the tightening ring rotor 5 can be designed to be larger than the required by the reciprocal power r 1/r 4, and the power r is not required to be increased by the reciprocal power r 1/r 4.
The screw machine further comprises a mounting seat 7, the mounting seat 7 is sleeved on the mandrel 1 and locks the axial position through a set screw, the first rotor 2 comprises a rotary table 21, the rotary table 21 is rotatably arranged at one end, far away from a nut to be screwed, of the mandrel 1, the rotary table 21 is connected with an output shaft of the motor 8, a main gear 211 is arranged at the outer edge of the rotary table 21, the tightening ring rotor 5 comprises a tightening ring 51, a connecting rod 52 and a force-bearing gear 53, the tightening ring 51 is sleeved on the nut to be screwed, the connecting rod 52 extends out of the outer wall of the tightening ring 51, the force-bearing gear 53 is arranged at the end part of the connecting rod 52, the axis of the force-bearing gear 53 is the mandrel 1, and the force-bearing gear 53 and the main gear 211 are positioned on the same plane;
the second rotor 3 comprises a revolution plate 31, a slide bar 32 and a transfer gear 33, the revolution plate 31 is rotatably arranged on the mounting seat 7, the slide bar 32 is slidably arranged on the revolution plate 31, the sliding direction of the slide bar 32 on the revolution plate 31 is vertical to the mandrel 1, the transfer gear 33 comprises a gear body and a gear shaft 331, the gear shaft 331 is rotatably arranged at one end of the revolution plate 31 far away from the mandrel 1, the axis of the gear shaft 331 is parallel to the axis of the mandrel 1,
the mounting seat 7 is provided with a self-rotation groove 71, and the section of the self-rotation groove 71 on the mounting seat 7 is positioned in the sliding direction of the sliding rod 32;
the gear shaft 331 is provided with a revolution groove 3311, and the section of the revolution groove 3311 on the gear shaft 331 is positioned in the sliding direction of the sliding rod 32;
the third rotor 4 has the same structure as the second rotor 3, the gear bodies on the second rotor 3 and the third rotor 4 are meshed with each other, the gear body on the second rotor 3 is also meshed with the main gear 211, and the gear body on the third rotor 4 is also meshed with the force receiving gear 53.
As shown in fig. 2 to 5, when the slide bar 32 is inserted into the rotation groove 71, the second rotor 3 is locked around the revolution of the spindle 1, the gear body of the second rotor 3 can only rotate, when the slide bar 32 is separated from the rotation groove 71 and inserted into the revolution groove 3311, the rotation movable connection between the gear shaft 331 and the revolution plate 31 is locked, the gear shaft 331 and the gear body thereon can only revolve around the spindle 1 together with the revolution plate 31, the revolution and rotation conversion of the third rotor 4 is the same as that on the second rotor 3, the motion states of the main gear 211, the gear bodies on the second rotor 3 and the third rotor 4, and the force-receiving gear 53 are changed, the transmission ratio is changed, the position of the slide bar 32 can be manually adjusted, and also can be automatically adjusted according to the rotation speed of the main gear 211.
The first rotor 2 further comprises a connecting frame 22, the connecting frame 22 extends from the end face of the turntable 21 towards the side of the second rotor 3, a sliding groove 221 is arranged at the tail end of the connecting frame 22, a centrifugal rod 23 and a centrifugal spring 24 are arranged in the sliding groove 221, one end of the centrifugal spring 24 is fixed at the bottom of the sliding groove 221, the other end of the centrifugal spring 24 is connected at the end part of the centrifugal rod 23, the sliding direction of the sliding groove 221 is parallel to the sliding direction of the sliding rod 32,
the slide bar 32 comprises a horizontal bar body 321, a stress bar body 322 and a force transmission bar body 323, the horizontal bar body 321 is slidably arranged on the revolution disc 31, the stress bar body 322 and the force transmission bar body 323 extend out of the horizontal bar body 321 along the axial direction parallel to the mandrel 1,
the end of the stressed rod body 322 in the second rotor 3 is positioned in the motion plane of the eccentric rod 23;
the dowel bar 323 in the second rotor 3 is propped against the stress bar 322 in the third rotor 4;
the rotation groove 71 is provided with a rotation groove spring 72, the revolution groove 3311 is provided with a revolution groove spring 34, and the elastic coefficient of the revolution groove spring 34 is higher than that of the rotation groove spring 72.
As shown in fig. 3 and 4, when the first rotor 2 rotates, if the angular velocity is high, the centrifugal rod 23 is subjected to a high centrifugal force to move radially outwards, and the force-bearing rod 322 in the second rotor 3 is pressed against the force-bearing rod 322 in a certain rotating angle and is pushed towards the gear shaft 331, so that the horizontal rod 321 is separated from the rotation groove 71 and is embedded into the revolution groove 3311, the force-bearing rod 323 in the second rotor 3 also pushes the slide rod in the third rotor 4 to unlock the revolution of the third rotor and lock the rotation,
the second rotor 3 and the third rotor 4 revolve freely and are locked by rotation, and the centrifugal rod 23 is informed of the rotation speed of the first rotor 2 when the first rotor 2 can rotate rapidly at the moment corresponding to the constant-speed transmission of the first rotor 2 to the tightening ring rotor 5, namely, the rotation speed of the tightening ring 51 needs to be relatively fast at the initial stage of nut rotation, so that whether the revolution and rotation states of the second rotor 3 and the third rotor 4 need to be switched or not is judged, the elasticity coefficient of the revolution groove spring 34 is higher than that of the rotation groove spring 72, and the centrifugal rod 23 can give the trend that the horizontal rod body 321 moves towards the rotation groove 71 in the low-speed state, so that the second rotor 3 and the third rotor 4 are converted back to rotate after the first rotor 2 is decelerated, and the locking revolution is carried out, at this moment, the rotation speed of the tightening ring 51 is further reduced, but the torque which can be provided is increased by times.
The rotation groove spring 72 is adhered to the bottom of the rotation groove 71, and the revolution groove spring 34 is adhered to the bottom of the revolution groove 3311. If the spring is freely placed in the groove, the revolution groove spring 34 easily slides out of the revolution groove 3311 when the gear shaft 331 rotates.
As shown in fig. 1 and 6, the screw machine further comprises a cap 6, the cap 6 comprises a threaded sleeve 61 and a square head 62, an internal threaded blind hole is formed in the threaded sleeve 61, the square head 62 is arranged on the back of the threaded sleeve 61, the threaded sleeve 61 is screwed on the top of a screw to be locked, a square hole 11 is formed in one end, close to the screw, of the mandrel 1, and the square hole 11 is embedded with the square head 62. The cap 6 is screwed on the screw and then provides an installation position for the mandrel 1, the rotation locking is ensured, the coaxiality is ensured, different thread sleeves are replaced according to different screw diameters, and the connection of the screwing ring 51 and the connecting rod 52 is also a replaceable structure.
A window 59 is provided in the tightening ring rotor 5. The number of links 52 cannot be excessive, leaving a window 59 with clearance for an operator to extend into the threaded sleeve 61 from the window 59 to fit concentrically to the end of the screw.
The screw machine also comprises a handle 9, and the motor 8 is connected with the handle 9 on the shell. The handle 9 facilitates the automatic screwing of the nut by the hand-held device, and an external supporting frame is not required to be arranged.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A full-automatic screw machine for preventing leaking water pipe joint installation, its characterized in that: the screw machine comprises a first rotor (2), a tightening ring rotor (5) and a motor (8), wherein the first rotor (2) and the tightening ring rotor (5) are driven in a constant speed transmission ratio or a deceleration transmission ratio, the tightening ring rotor (5) is sleeved on a nut to be screwed, and the motor (8) drives the first rotor (2) to rotate;
the screw machine further comprises a mandrel (1), the mandrel (1) is buckled at the end part of a screw to be locked, and the first rotor (2) and the tightening ring rotor (5) are rotatably arranged on the mandrel (1);
the screw machine also comprises a second rotor (3) and a third rotor (4), the second rotor (3) and the third rotor (4) are respectively and rotatably arranged on the mandrel (1), the first rotor (2), the second rotor (3), the third rotor (4) and the tightening ring rotor (5) are engaged in sequence through the cooperation of external-internal gears,
the rotation and revolution interlocking control of the gear teeth on the second rotor (3) and the third rotor (4) is realized, and when the gear teeth on the second rotor (3) and the third rotor (4) rotate: the revolution positions of the second rotor (3) and the third rotor (4) on the mandrel (1) are locked; when the second rotor (3) and the third rotor (4) respectively revolve on the mandrel (1), gear teeth on the second rotor (3) and the third rotor (4) are locked by rotation;
the screw machine further comprises a mounting seat (7), the mounting seat (7) is sleeved on the mandrel (1) and locks the axial position through a set screw, the first rotor (2) comprises a rotary table (21), the rotary table (21) is rotatably arranged at one end, far away from a nut to be screwed, of the mandrel (1), the rotary table (21) is connected with an output shaft of a motor (8), a main gear (211) is arranged at the outer edge of the rotary table (21), the tightening ring rotor (5) comprises a tightening ring (51), a connecting rod (52) and a stress gear (53), the tightening ring (51) is sleeved on the nut to be screwed, the connecting rod (52) extends out of the outer wall of the tightening ring (51), the stress gear (53) is arranged at the end of the connecting rod (52), the axis of the stress gear (53) is the mandrel (1), and the stress gear (53) and the main gear (211) are positioned on the same plane.
The second rotor (3) comprises a revolution disc (31), a sliding rod (32) and a transfer gear (33), the revolution disc (31) is rotatably arranged on the mounting seat (7), the sliding rod (32) is slidably arranged on the revolution disc (31), the sliding direction of the sliding rod (32) on the revolution disc (31) is perpendicular to the mandrel (1), the transfer gear (33) comprises a gear body and a gear shaft (331), the gear shaft (331) is rotatably arranged at one end of the revolution disc (31) far away from the mandrel (1), the axis of the gear shaft (331) is parallel to the axis of the mandrel (1),
the mounting seat (7) is provided with a self-rotation groove (71), and the section of the self-rotation groove (71) on the mounting seat (7) is positioned in the sliding direction of the sliding rod (32);
a revolution groove (3311) is formed in the gear shaft (331), and the section of the revolution groove (3311) on the gear shaft (331) is positioned in the sliding direction of the sliding rod (32);
the third rotor (4) has the same structure as the second rotor (3), the gear bodies on the second rotor (3) and the third rotor (4) are meshed with each other, the gear body on the second rotor (3) is meshed with the main gear (211), and the gear body on the third rotor (4) is meshed with the stress gear (53).
2. The fully automatic screw machine for installing a leak-proof water inlet pipe joint according to claim 1, wherein: the first rotor (2) further comprises a connecting frame (22), the connecting frame (22) extends from the end face of the rotary table (21) facing one side of the second rotor (3), the tail end of the connecting frame (22) is provided with a sliding groove (221), the sliding groove (221) is internally provided with a centrifugal rod (23) and a centrifugal spring (24), one end of the centrifugal spring (24) is fixed at the bottom of the sliding groove (221), the other end of the centrifugal spring (24) is connected at the end part of the centrifugal rod (23), the sliding direction of the sliding groove (221) is parallel to the sliding direction of the sliding rod (32),
the sliding rod (32) comprises a horizontal rod body (321), a stressed rod body (322) and a force transmission rod body (323), the horizontal rod body (321) is slidably arranged on the revolution disc (31), the stressed rod body (322) and the force transmission rod body (323) extend out of the horizontal rod body (321) along the axial direction parallel to the mandrel (1),
the end part of the stressed rod body (322) in the second rotor (3) is positioned in the motion plane of the eccentric rod (23);
the dowel bar (323) in the second rotor (3) is propped against the stressed bar (322) in the third rotor (4);
a rotation groove spring (72) is arranged in the rotation groove (71), a revolution groove spring (34) is arranged in the revolution groove (3311), and the elastic coefficient of the revolution groove spring (34) is higher than that of the rotation groove spring (72).
3. The fully automatic screw machine for installing a leak-proof water inlet pipe joint according to claim 2, wherein: the rotation groove spring (72) is adhered to the bottom of the rotation groove (71), and the revolution groove spring (34) is adhered to the bottom of the revolution groove (3311).
4. A fully automatic screw machine for leak-proof water inlet pipe joint installation as defined in claim 3, wherein: the screw machine further comprises a cap (6), the cap (6) comprises a threaded sleeve (61) and a square head (62), an internal threaded blind hole is formed in the threaded sleeve (61), the square head (62) is arranged on the back of the threaded sleeve (61), the threaded sleeve (61) is screwed on the top of a screw to be locked, a square hole (11) is formed in one end, close to the screw, of the mandrel (1), and the square hole (11) is embedded with the square head (62).
5. The fully automatic screw machine for installing a leak-proof water inlet pipe joint of claim 4, wherein: a window (59) is arranged on the tightening ring rotor (5).
6. The fully automatic screw machine for installing a leak-proof water inlet pipe joint according to claim 1, wherein: the screw machine further comprises a handle (9), and the handle (9) is connected to the shell of the motor (8).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210266322.5A CN114633101B (en) | 2022-03-17 | 2022-03-17 | Full-automatic screw machine for installing anti-leakage water inlet pipe joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210266322.5A CN114633101B (en) | 2022-03-17 | 2022-03-17 | Full-automatic screw machine for installing anti-leakage water inlet pipe joint |
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| Publication Number | Publication Date |
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| CN114633101A CN114633101A (en) | 2022-06-17 |
| CN114633101B true CN114633101B (en) | 2023-04-21 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107363174A (en) * | 2017-07-06 | 2017-11-21 | 无锡市金华屹圆科技有限公司 | Water inlet pipe riveter |
| CN112510908A (en) * | 2020-04-26 | 2021-03-16 | 韩建辉 | Quick-start excitation efficient alternating current motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201231471Y (en) * | 2008-07-07 | 2009-05-06 | 王光华 | Multi-stage variable speed labor-saving torque multiplication machine |
| JP5562540B2 (en) * | 2008-08-21 | 2014-07-30 | 株式会社マキタ | Electric tool |
| JP2012040656A (en) * | 2010-08-20 | 2012-03-01 | Nitto Seiko Co Ltd | Automatic screwing machine |
| US20150111692A1 (en) * | 2013-10-17 | 2015-04-23 | Torq Fusion LLC | Planetary gear train for use with extended length sun in high torque applications |
| CN110814716A (en) * | 2019-11-01 | 2020-02-21 | 深圳市圆梦精密技术研究院 | Nut screwing device and nut screwing mechanism thereof |
| CN113134720B (en) * | 2021-04-09 | 2022-02-22 | 昆山市嘉驭汽车饰件有限公司 | Arranging device and method for automatic nailing of automobile wrapping layer |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107363174A (en) * | 2017-07-06 | 2017-11-21 | 无锡市金华屹圆科技有限公司 | Water inlet pipe riveter |
| CN112510908A (en) * | 2020-04-26 | 2021-03-16 | 韩建辉 | Quick-start excitation efficient alternating current motor |
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