CN114633101A - Full-automatic screw machine for mounting anti-leakage water inlet pipe joint - Google Patents
Full-automatic screw machine for mounting anti-leakage water inlet pipe joint Download PDFInfo
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- CN114633101A CN114633101A CN202210266322.5A CN202210266322A CN114633101A CN 114633101 A CN114633101 A CN 114633101A CN 202210266322 A CN202210266322 A CN 202210266322A CN 114633101 A CN114633101 A CN 114633101A
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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
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Abstract
The invention discloses a full-automatic screw machine for mounting 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 at a constant speed transmission ratio or a speed reduction transmission ratio, the tightening ring rotor is sleeved on a nut to be tightened, 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 that the screwing time is saved, after the nut is screwed to the tightening position, the high screwing force is provided so that the fastening piece can be fully pre-tightened, at the moment, the first rotor performs speed reduction transmission relative to the tightening ring rotor, and the low torque of the motor can generate high torque at the nut position.
Description
Technical Field
The invention relates to the technical field of threaded fastener assembling tools, in particular to a full-automatic screw machine for mounting a leakage-proof water inlet pipe joint.
Background
In the municipal water network and the water pipe installation process of entering a community, a plurality of fasteners such as screws (bolts), nuts and the like are used, and the clamps are locked by matching long screws with nuts at the positions of pipeline joints connected by the clamps.
The inlet tube needs to bear certain pressure that the upward water flow has, so, its sealing performance needs certain assurance, and when the installation of the inlet tube of preventing leaking, need respectively the pretightning force of every fastening screw of accuse, the pretightning force is not enough, inhomogeneous can lead to leaking the emergence, and the pretightning force is excessive then arouses the structural deformation easily, and the sealing member life-span reduces, so, to the higher occasion of preventing leaking the requirement, the screwing up of screw needs corresponding pretensioning force control.
The screw installation of screwing, traditionally, the manual tightening of general installer, it is comparatively loaded down with trivial details and inefficiency to the thick piping erection that the screw is more, moreover, the manual screw tightening force of screwing up is less and inconsistent, be unfavorable for the sealed of pipe joint position, among the prior art, some screw assembly's instrument has appeared, be similar to handheld drill bit, use a hexagonal head to sheathe in the nut outward appearance, then the small-size motor in the instrument drives rotatoryly, provide the power of screwing up, the manpower has been saved greatly to such instrument, however, there is certain not enough: the tightening force of the tool is limited, so that a larger tightening force cannot be provided in the final stage of nut tightening, if the larger tightening force is required, a more powerful tool needs to be replaced, and a reduction transmission structure arranged in the tool has a larger output torque under the condition of constant motor power.
Disclosure of Invention
The invention aims to provide a full-automatic screw machine for mounting a leakage-proof water inlet pipe joint, which solves the problems in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme:
a full-automatic screw machine for preventing leaking into water coupling installation, screw machine include first rotor, screw up ring rotor, motor, first rotor and screw up the ring rotor and carry out the transmission with constant speed drive ratio or speed reduction drive ratio, screw up the ring rotor cover and wait on the nut of screwing, the first rotor of motor drive is rotatory.
The nut is sleeved on one end of the tightening ring rotor, then the motor drives the first rotor to rotate, when the nut is in the initial stage of tightening, the required tightening force is not large, but a large screwing speed is needed so as to save the time for tightening the screw, after the nut is screwed to a tightening position, a large tightening force needs to be provided so as to enable the fastener to be fully pre-tightened, at the moment, the first rotor is in speed reduction transmission relative to the tightening ring rotor, the speed is reduced, the force is increased, and the small torque of the motor can also generate a large tightening force at the position of the nut.
Further, the screw machine still includes the dabber, and the dabber is detained at the screw tip of treating locking, and first rotor, the rotatory installation of tightening ring rotor are on the dabber. Because the first rotor and the tightening ring rotor need to rotate at different speeds at certain times, the rotation installation of the first rotor and the tightening ring rotor needs to be independent and installed at two positions, the rotation is carried out by the axis of the screw, therefore, the rotation 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 is coaxial.
Furthermore, the screw machine also comprises a second rotor and a third rotor, the second rotor and the third rotor are respectively rotatably arranged on the mandrel, the first rotor, the second rotor, the third rotor and the tightening ring rotor are sequentially meshed by matching of external-internal gears,
and the rotation and revolution of the gear teeth on the second rotor and the third rotor are controlled in an interlocking manner, and when the gear teeth on the second rotor and the third rotor rotate, the rotation of the gear teeth on the third rotor is controlled by the following steps: 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 respectively revolve on the mandrel, the teeth of the gears on the second rotor and the third rotor are locked by autorotation.
The transmission ratio switching of the first rotor and the tightening ring rotor is completed through the second rotor and the third rotor, when the first rotor and the tightening ring rotor need to be in constant-speed transmission, the rotation of the second rotor and the third rotor is locked, the second rotor and the third rotor are allowed to revolve, when the first rotor needs to be in speed reduction transmission to the tightening ring rotor, the revolution of the second rotor and the third rotor is locked, the rotation of the second rotor and the third rotor is allowed, after the rotation angular speed 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 first rotor and the third rotor, the speed reduction ratio can be realized by designing different radius ratios, and when a large rotation force is needed and the motor power is not sufficiently improved, a large speed reduction ratio can be designed.
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 rotor of the screwing ring comprises a screwing ring, a connecting rod and a stressed gear, the screwing ring is sleeved on the nut to be screwed, the extending part of the outer wall of the screwing ring is provided with the connecting rod, the end part of the connecting rod is provided with the stressed gear, the axis of the stressed gear is the mandrel, and the stressed gear and the main gear are located on the same plane;
the second rotor comprises a revolution plate, a slide rod and a transfer gear, the revolution plate is rotationally arranged on the mounting seat, the slide rod is slidably arranged on the revolution plate, the sliding direction of the slide rod on the revolution plate is vertical to the mandrel, the transfer gear comprises a gear body and a gear shaft, the gear shaft is rotationally arranged at one end of the revolution plate 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 a self-rotating groove, and the section of the self-rotating groove on the mounting seat is positioned in the sliding direction of the sliding rod;
the gear shaft is provided with a common rotating groove, and the section of the common rotating groove on the gear shaft is positioned in the sliding direction of the sliding rod;
the third rotor has the same structure with the second rotor, gear bodies on the second rotor and the third rotor are meshed with each other, the gear body on the second rotor is also meshed with the main gear, and the gear body on the third rotor is also meshed with the stressed gear.
When the sliding rod is embedded into the rotation groove, the second rotor is locked around the revolution of the core shaft, the gear body of the second rotor only can rotate, when the sliding rod is separated from the rotation groove and embedded into the revolution groove, the rotary movable connection between the gear shaft and the revolution plate is locked, the gear shaft and the gear body on the gear shaft can only revolve around the core shaft along with the revolution plate, the revolution and 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 sliding rod can be manually adjusted, and the position of the sliding rod can also be automatically adjusted according to the rotating speed of the main gear.
Furthermore, the first rotor also comprises a connecting frame, the connecting frame extends out from the end surface of one side of the rotary table facing the second rotor, the tail end of the connecting frame is provided with a sliding groove, a centrifugal rod and a centrifugal spring are arranged in the sliding groove, one end of the centrifugal spring is fixed at the bottom of the sliding groove, the other end of the centrifugal spring is connected with the end part of the centrifugal rod, the sliding direction of the sliding groove is parallel to the sliding direction of the sliding rod,
the sliding rod comprises a horizontal rod body, a stress rod body and a force transmission rod body, the horizontal rod body is arranged on the revolution plate in a sliding way, the stress rod body and the force transmission rod body extend out of the horizontal rod body along the axial direction parallel to the core shaft,
the end part of a stress rod body in the second rotor is positioned in the motion plane of the centrifugal rod;
the force transmission rod body in the second rotor is propped against the force bearing rod body in the third rotor;
and a rotation groove spring is arranged in the rotation groove, a revolution groove spring is arranged in the revolution groove, 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 speed is higher, the centrifugal rod can be subjected to larger centrifugal force and move radially outwards, the centrifugal rod can be abutted against the stressed rod body in the second rotor at a certain rotating angle and pushes the stressed rod body 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 slide rod in the third rotor to unlock the revolution of the third rotor so as to lock the rotation,
the second rotor and the third rotor freely revolve and are locked by rotation, and the rotation speed of the first rotor is obtained corresponding to constant-speed transmission of the first rotor to the tightening ring rotor, namely, the faster tightening ring rotation speed is needed at the initial stage when the nut is rotated, and at the moment, when the first rotor can rotate fast, the centrifugal rod obtains the rotation 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 a rotation groove spring, so that the centrifugal rod can give the trend that the horizontal rod body moves towards the rotation groove at a low speed state, and after the first rotor is decelerated, the revolution groove spring and the rotation groove are switched back to rotation to lock, at the moment, the tightening ring rotation speed is further decreased, but the torque which can be provided is multiplied and increased.
Furthermore, the self-rotating groove spring is adhered to the bottom of the self-rotating groove, and the revolution groove spring is adhered to the bottom of the revolution groove. If the spring is freely placed in the slot, the revolution slot spring is easy to slide out of the revolution slot when the gear shaft rotates.
Further, the screw machine still includes the block, and the block includes thread bush and square head, sets up the internal thread blind hole in the thread bush, and the thread bush back sets up the square head, and the thread bush closes at the top of treating the locking screw soon, and the one end that the dabber is close to the screw sets up the square hole, square hole and square head gomphosis. The cover cap is screwed on the screw, then an installation position is provided for the mandrel, and the cover cap is rotationally locked to ensure the coaxiality.
Furthermore, a window is arranged on the tightening ring rotor. The number of connecting rods cannot be excessive, and a window needs to be reserved with clearance so that an operator can extend into the window to stir the threaded sleeve to be concentrically arranged at the end of the screw.
Furthermore, the screw machine also comprises a handle, and the motor shell is connected with the handle. The handle makes things convenient for hand-held device to carry out the automatic screwing of nut, need not set up outside support frame.
Compared with the prior art, the invention has the following beneficial effects: the invention enables the rotary power from the motor to be loaded on the nut to be screwed in two states through the connection of the four rotating bodies, 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 to carry out a rapid screwing process, when the later stage of the screwing process, the nut can be screwed in continuously only by larger screwing force, at the moment, the transmission of the first rotor to the screwing ring rotor is speed reduction transmission, the transmitted torque is increased so as to lead the nut to be screwed more tightly, the change of the two states is switched through one sliding rod in the second rotor and the third rotor, the sliding rod is pushed by a centrifugal rod with centrifugal effect on the first rotor to carry out position change, the centrifugal rod pushes the sliding rod to be embedded into two gear shafts to lock the second rotor shaft corresponding to the high-speed rotation of the first rotor at the initial stage of screwing, and the centrifugal rod pushes the sliding rod to be embedded into the two gear shafts to lock the second rotor shaft, The first rotor and the tightening ring rotor perform constant-speed transmission through the rotation of the three rotors.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the drive configuration of the first, second, third and tightening ring rotors of the present invention;
FIG. 3 is view A of FIG. 1;
FIG. 4 is view B of FIG. 3;
FIG. 5 is view C of FIG. 3;
FIG. 6 is view D of FIG. 1;
in the figure: 1-mandrel, 11-square hole, 2-first rotor, 21-rotary table, 211-master gear, 22-connecting frame, 221-sliding groove, 23-centrifugal rod, 24-centrifugal spring, 3-second rotor, 31-revolution table, 32-sliding rod, 321-horizontal rod, 322-stress rod, 323-force transmission rod, 33-revolution 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-stress gear, 59-window, 6-cap, 61-thread bush, 62-square head, 7-mounting seat, 71-revolution groove, 72-self-rotation groove spring, 8-motor, 9-handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides the following technical solutions:
the utility model provides a full-automatic screw machine for preventing leaking into water coupling installation, the screw machine includes first rotor 2, screws up ring rotor 5, motor 8, and first rotor 2 transmits with constant speed drive ratio or speed reduction drive ratio with screwing up ring rotor 5, screws up ring rotor 5 cover on treating the nut of screwing, and motor 8 drives first rotor 2 rotatory.
As shown in FIG. 1, a nut is sleeved on one end of the tightening ring rotor 5, then the motor 8 drives the first rotor 2 to rotate, when the nut is in the 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 to the tightening position, a large tightening force needs to be provided so that the tightening piece can be fully tightened, at this time, the first rotor 2 is driven at a reduced speed relative to the tightening ring rotor 5, the speed is reduced to increase the force, and a small torque of the motor 8 can also generate a large tightening 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. Since the first rotor 2 and the tightening ring rotor 5 need to rotate at different speeds at certain times, their rotational mounting needs to be independent and mounted in two positions, the rotation is performed on the axis of the screw, so that the rotational mounting position is taken on a mandrel 1 coaxial with the screw, and the mandrel 1 is locked 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 sequentially meshed by matching of external-internal gears,
and the rotation and revolution of the gear teeth on the second rotor 3 and the third rotor 4 are controlled in an interlocking way, and when the gear teeth on the second rotor 3 and the third rotor 4 rotate: the second rotor 3 and the third rotor 4 are locked at the revolution position on the mandrel 1 respectively; 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 autorotate and lock.
As shown in fig. 1 and 2, the gear ratio switching of the first rotor 2 and the tightening ring rotor 5 is performed by the second rotor 3 and the third rotor 4, referring to fig. 2, the angular velocity of the first rotor 2 is W1, the revolution angular velocity of the second rotor 3 is G2, the rotation velocity of the meshing gear is W2, the revolution angular velocity of the third rotor 4 is G3, the rotation velocity of the meshing gear is W3, and the angular velocity of the tightening ring rotor 5 is W4, when the first rotor 2 and the tightening ring rotor 5 are required to be driven, the rotation of the second rotor 3 and the third rotor 4 is locked and allowed to revolve, when W1 is G3 equal to W3, W2 is W3 equal to 0, when the first rotor 2 and the tightening ring rotor 5 are required to be driven downward, the rotation of the second rotor 3 and the third rotor 4 is locked and allowed to revolve, when the first rotor 2 is required to be driven downward toward the tightening ring rotor 5, the rotation of the second rotor 3 and the third rotor 4 is allowed, when the rotation velocity of the third rotor 3 is locked and the rotation of the third rotor is allowed to be rotated, when G2 and the rotation radius of the third rotor 3 is required to be reduced to 380, the transmission ratio W1/W4 of the first rotor 2 and the tightening ring rotor 5 is the reciprocal of the rotation radius ratio of the first rotor and the tightening ring rotor, namely r4/r1, the speed reduction ratio can be realized by designing different radius ratios, and when large tightening force is needed and the power of the motor 8 is not well improved sufficiently, a large r4/r1 value can be designed.
The screw machine further comprises a mounting seat 7, the mounting seat 7 is sleeved on the mandrel 1 and is locked in the axial position through a set screw, the first rotor 2 comprises a rotary table 21, the rotary table 21 is rotatably mounted 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 on the outer edge of the rotary table 21, the tightening ring rotor 5 comprises a tightening ring 51, a connecting rod 52 and a stressed gear 53, the tightening ring 51 is sleeved on the nut to be screwed, the connecting rod 52 is arranged at the extending part of the outer wall of the tightening ring 51, the stressed gear 53 is arranged at the end part of the connecting rod 52, the axis of the stressed gear 53 is the mandrel 1, and the stressed gear 53 and the main gear 211 are located on the same plane;
the second rotor 3 comprises a revolution disc 31, a slide rod 32 and a transfer gear 33, the revolution disc 31 is rotatably arranged on the mounting base 7, the slide rod 32 is slidably mounted on the revolution disc 31, the sliding direction of the slide 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 mounted 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-rotating groove 71, and the section of the self-rotating groove 71 on the mounting seat 7 is positioned in the sliding direction of the sliding rod 32;
a revolution groove 3311 is arranged on 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 slide bar 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 stressed gear 53.
As shown in fig. 2 to 5, when the sliding rod 32 is inserted into the rotation slot 71, the second rotor 3 is locked by revolving around the spindle 1, the gear body of the second rotor 3 can only rotate, when the sliding rod 32 is removed from the rotation slot 71 and inserted into the rotation slot 3311, the rotary 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 along with the revolution plate 31, the revolution/rotation conversion of the third rotor 4 is the same as that of the second rotor 3, the motion states of the gear bodies on the main gear 211, the second rotor 3 and the third rotor 4 and the stressed gear 53 are changed, the transmission ratio is changed, and the position of the sliding rod 32 can be manually adjusted or 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 surface of the rotary table 21 facing 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 to the end 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 force bearing rod body 322 and a force transmission rod body 323, the horizontal rod body 321 is arranged on the revolution plate 31 in a sliding way, the force bearing 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 of the stress rod 322 in the second rotor 2 is positioned in the motion plane of the centrifugal rod 23;
the force transmission rod 323 in the second rotor 2 is abutted against the force bearing rod 322 in the third rotor 3;
a rotation groove spring 72 is provided in the rotation groove 71, a revolution groove spring 34 is provided 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.
As shown in fig. 3 and 4, if the angular velocity of the first rotor 2 is high, the centrifugal rod 23 will be moved radially outward by a large centrifugal force, and will abut against the force-receiving rod 322 in the second rotor 3 at a certain angle of rotation and push the force-receiving rod 322 toward the gear shaft 331, so that the horizontal rod 321 will be disengaged from the rotation groove 71 and inserted into the revolution groove 3311, and the force-transmitting rod 323 in the second rotor 2 will also push the slide rod in the third rotor 3 to unlock the revolution of the third rotor and lock the rotation,
the second rotor 3 and the third rotor 4 freely revolve and are locked by rotation, corresponding to the constant-speed transmission from the first rotor 2 to the tightening ring rotor 5, that is, the rotation speed of the tightening ring 51 needs to be fast at the initial stage when the nut is rotated, and at the moment, when the first rotor 2 can fast rotate, the centrifugal rod 23 acquires the rotation speed of the first rotor 2, so as to judge whether the revolution and rotation states of the second rotor 3 and the third rotor 4 need to be switched, the elastic coefficient of the revolution groove spring 34 is higher than that of the rotation groove spring 72, so that the centrifugal rod 23 can give the trend that the horizontal rod body 321 moves towards the rotation groove 71 under the low-speed state, so that after the first rotor 2 is decelerated, the second rotor 3 and the third rotor 4 are switched back to rotate to lock the revolution, at the moment, the rotation speed of the tightening ring 51 is further decreased, but the provided torque is multiplied.
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 is easily slid 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 thread sleeve 61 and a square head 62, an internal thread blind hole is formed in the thread sleeve 61, the square head 62 is arranged on the back of the thread sleeve 61, the thread sleeve 61 is screwed on the top of the 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 cover cap 6 is screwed on the screw to provide a mounting position for the mandrel 1, the coaxiality is ensured by rotating and locking, different thread sleeves are replaced according to different screw diameters, and the connection between 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 must not be excessive and a window 59 needs to be left free to allow the operator to reach in from the window 59 to dial the threaded sleeve 61 concentrically mounted to the end of the screw.
The screw machine also comprises a handle 9, and the shell of the motor 8 is connected with the handle 9. The handle 9 facilitates the hand-held device to automatically screw the nut without arranging an external support frame.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A full-automatic screw machine for preventing leaking into water coupling 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 at a constant speed transmission ratio or a speed reduction 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.
2. A fully automatic screw machine for leak-proof intake pipe joint installation according to claim 1, wherein: 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 installed on the mandrel (1).
3. A fully automatic screw machine for leak-proof water intake riser joint installation according to claim 2, wherein: 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 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 sequentially meshed through gear matching of outer-inner,
and the rotation and revolution of the gear teeth on the second rotor (3) and the third rotor (4) are controlled in an interlocking manner, and when the gear teeth on the second rotor (3) and the third rotor (4) rotate: the second rotor (3) and the third rotor (4) are locked at the revolution position on the mandrel (1); when the second rotor (3) and the third rotor (4) revolve on the mandrel (1) respectively, gear teeth on the second rotor (3) and the third rotor (4) are locked in a self-rotating mode.
4. A fully automatic screw machine for leak-proof intake pipe joint installation according to claim 3, wherein: the screw machine further comprises a mounting seat (7), the mounting seat (7) is sleeved on the mandrel (1) and is locked in the axial position through a set screw, the first rotor (2) comprises a rotary table (21), the rotary table (21) is rotatably mounted 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 on the outer edge of the rotary table (21), the screwing ring rotor (5) comprises a screwing ring (51), a connecting rod (52) and a stressed gear (53), the screwing ring (51) is sleeved on the nut to be screwed, the connecting rod (52) is arranged at the extending part of the outer wall of the screwing ring (51), the stressed gear (53) is arranged at the end part of the connecting rod (52), the axis of the stressed gear (53) is the mandrel (1), and the stressed gear (53) and the main gear (211) are located 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 mounted 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 mounted at one end, far away from the mandrel (1), of the revolution disc (31), and 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-rotating groove (71), and the section of the self-rotating groove (71) on the mounting seat (7) is positioned in the sliding direction of the sliding rod (32);
a revolution groove (3311) is arranged on 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), 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 stressed gear (53).
5. A fully automatic screw machine for leak-proof intake pipe joint installation according to claim 4, wherein: the first rotor (2) further comprises a connecting frame (22), the connecting frame (22) extends out of the end face of the rotary table (21) towards one side of the second rotor (3), the tail end of the connecting frame (22) is provided with a sliding groove (221), 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 to the end of the centrifugal rod (23), and 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 stress rod body (322) and a force transmission rod body (323), the horizontal rod body (321) is installed on the revolution plate (31) in a sliding mode, the stress 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 stress rod body (322) in the second rotor (2) is positioned in the motion plane of the centrifugal rod (23);
the force transmission rod body (323) in the second rotor (2) is abutted against the force bearing rod body (322) in the third rotor (3);
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).
6. A fully automatic screw machine for leak-proof water intake riser joint installation according to claim 5, 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).
7. A fully automatic screw machine for leak-proof intake pipe joint installation according to claim 6, wherein: the screw machine still includes block (6), block (6) include thread bush (61) and square head (62), set up the internal thread blind hole in thread bush (61), thread bush (61) back sets up square head (62), thread bush (61) closes soon at the top of treating the locking screw, the one end that dabber (1) is close to the screw sets up square hole (11), square hole (11) and square head (62) gomphosis.
8. A fully automatic screw machine for leak-proof water intake riser joint installation as claimed in claim 7, wherein: a window (59) is arranged on the tightening ring rotor (5).
9. A fully automatic screw machine for leak-proof intake pipe joint installation according to claim 1, wherein: the screw machine further comprises a handle (9), and the shell of the motor (8) is connected with the handle (9).
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 true CN114633101A (en) | 2022-06-17 |
| CN114633101B CN114633101B (en) | 2023-04-21 |
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| CN202210266322.5A Active CN114633101B (en) | 2022-03-17 | 2022-03-17 | Full-automatic screw machine for installing anti-leakage water inlet pipe joint |
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| CN (1) | CN114633101B (en) |
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| CN114633101B (en) | 2023-04-21 |
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