CN118081348A - Wedge ring automatic assembly fixture - Google Patents
Wedge ring automatic assembly fixture Download PDFInfo
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- CN118081348A CN118081348A CN202410490191.8A CN202410490191A CN118081348A CN 118081348 A CN118081348 A CN 118081348A CN 202410490191 A CN202410490191 A CN 202410490191A CN 118081348 A CN118081348 A CN 118081348A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 61
- 238000009434 installation Methods 0.000 claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000001514 detection method Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000007723 transport mechanism Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The application relates to an automatic wedge ring assembly fixture which is used for being connected with a mechanical arm and comprises a base, wherein the base comprises an installation plane arranged at the end part, the inner edge of the installation plane forms a C shape, and a wedge ring is arranged on the installation plane; the tensioning structure comprises a traction piece and a traction terminal arranged at the head part of the traction piece, wherein the traction terminal is combined with the wedge ring in an unfixed mode, the traction terminal is provided with a primary position close to the middle part of the wedge ring and a tail position close to the end part of the wedge ring, and the traction piece is used for traction of the traction terminal to move from the primary position to the tail position; the first conveying mechanism comprises transmission pieces which are distributed on the inner side and the outer side of the guide groove and are used for being attached to the inner surface and the outer surface of the wedge ring, and first driving pieces for driving the transmission pieces to rotate; the second conveying mechanism comprises a poking piece which is arranged on the installation plane in a sliding manner, and the poking piece is used for pushing the tail end of the wedge ring to move after the wedge ring is separated from the traction terminal at the tail end. The application has the effects of realizing full-automatic assembly of the wedge ring and being more convenient to operate.
Description
Technical Field
The application relates to the field of wedge ring assembly, in particular to an automatic wedge ring assembly fixture.
Background
The prior wedge ring connecting structure is widely applied to wedge ring connecting assembly of round tubes or cylindrical workpieces by virtue of the advantages of compact structure, reliable connection, good air tightness of the connecting part and the like.
Wedge ring grooves are formed in the inner walls of the butt joint areas of two circular or cylindrical workpieces to be connected, after the two workpieces are in butt joint, an overlapped part is formed, and an accommodating space for accommodating the wedge rings is formed between the overlapped parts of the two workpieces. Two wedge ring notches penetrating the outer part and the wedge ring groove are machined on the side wall of the outer cylindrical workpiece. During assembly, a worker firstly uses two hands to prop open the semicircular wedge ring, and then loads one semicircular wedge ring from the wedge ring slot opening clockwise. And similarly, the other semicircular wedge ring is installed anticlockwise along the wedge ring groove opening, so that the heads of the two semicircular wedge rings are butted in the accommodating space. However, the manual assembly mode is more laborious at present, and the wedge ring assembly difficulty is higher.
Disclosure of Invention
In order to save the labor cost of wedge ring installation and reduce the wedge ring assembly difficulty, the application provides an automatic wedge ring assembly tool.
The application provides a wedge ring automatic assembly tool which adopts the following technical scheme:
an automated wedge ring assembly tooling for connection with a robotic arm comprising:
the base comprises a mounting plane arranged at the end part, wherein the inner edge of the mounting plane forms a C shape for holding a cylindrical workpiece, and a wedge ring is arranged on the mounting plane;
the tensioning structure comprises a traction piece and a traction terminal arranged at the head part of the traction piece, wherein the traction terminal is used for being combined with the wedge ring in an unfixed mode, the traction terminal is provided with a primary position close to the middle part of the wedge ring and a tail position close to the end part of the wedge ring, and the traction piece is used for pulling the traction terminal to move from the primary position to the tail position;
The first conveying mechanism comprises transmission parts which are distributed on the inner side and the outer side of the wedge ring and are used for being attached to the inner surface and the outer surface of the wedge ring, and first driving parts which drive the transmission parts to rotate, and the outer wall of the transmission parts is designed into a rough surface and is used for driving the wedge ring to move by using friction force;
the second conveying mechanism comprises a poking piece which is arranged on the installation plane in a sliding mode, and the poking piece is used for pushing the tail end of the wedge ring to move after the wedge ring is separated from the traction terminal at the tail end.
Through adopting above-mentioned technical scheme, at first carry out the installation of wedge ring on the mounting plane for traction terminal and wedge ring realize non-fixed combination, afterwards, traction piece starts, drive traction terminal and remove so that wedge ring struts, afterwards start first transport mechanism, make a plurality of driving pieces rotate, utilize the frictional force on driving piece and wedge ring surface, so that wedge ring carries forward gradually, then start second transport mechanism after wedge ring's tail end breaks away from with first transport mechanism, make stir the piece slide to the tail end contact with wedge ring, afterwards stir the piece and continue to slide, in order to promote wedge ring's tail end to send into wedge ring groove gradually, provide power for wedge ring last partial removal, full-automatic assembly has been realized.
Preferably, the base further comprises a C-shaped bent shell, two ends of the shell extend towards the inner edge to form the installation plane, two traction pieces are arranged at two ends of the wedge ring and penetrate through the shell in an inclined mode, and tail ends of the two traction pieces face towards the inner edge of the installation plane.
By adopting the technical scheme, the traction terminal is arranged on the installation plane, the traction piece obliquely penetrates through the shell, and when in traction, the traction terminal receives oblique tensile force, so that the traction terminal moves along the middle part of the wedge ring to the two ends of the wedge ring to drive the wedge ring to open; an open type installation space for installing the head part of the traction piece is formed between the shell and the upper installation plane and the lower installation plane, so that the traction piece cannot interfere with the cylindrical workpiece when the tool disclosed by the application is used for holding the cylindrical workpiece.
Preferably, the installation plane is provided with a guide hole, the traction terminal comprises a rod part sliding in the guide hole and a tension roller rotationally connected with the rod part, and the tension roller is in rolling contact with the inner surface of the wedge ring; the traction piece is of a telescopic structure, and the rod part is arranged at the telescopic end of the traction piece.
By adopting the technical scheme, the traction terminal is driven to slide along the guide hole by the extension and contraction of the traction rope; the tensioning roller is attached to the inner surface of the wedge ring, when the tensioning roller is driven by the traction piece to move, friction resistance is generated between the tensioning roller and the inner surface of the wedge ring, so that the tensioning roller can roll towards the two ends of the wedge ring on the inner surface of the wedge ring, and the wedge ring can be rapidly opened while the traction piece is in non-fixed contact with the wedge ring.
Preferably, the transmission member comprises a plurality of transmission rollers, the transmission rollers are distributed on the inner surface and the outer surface of the wedge ring in a folded shape, the outer wall of each transmission roller is provided with a rough surface, and the two tensioning rollers are arranged on two sides of the transmission member and also form a folded structure with the transmission member.
Through adopting above-mentioned technical scheme, with transmission gyro wheel distribution in wedge ring's inside and outside both sides, first driving piece is used for driving a plurality of transmission gyro wheels and rotates, and the outer wall of every transmission gyro wheel all sets up to the roughness surface to can utilize the frictional force of transmission gyro wheel and wedge ring internal surface, make wedge ring along clockwise or anticlockwise removal.
Preferably, each transmission roller is rotatably arranged on the installation plane through a rotating shaft, and the first driving piece comprises a first driving motor arranged on the outer wall of the shell, a synchronous belt arranged between a rotor of the first driving motor and any one transmission roller, and a transmission assembly for driving a plurality of transmission rollers to synchronously rotate.
By adopting the technical scheme, the transmission assembly is arranged among the plurality of transmission rollers, and the first driving motor drives any one transmission roller to rotate so as to drive all the transmission rollers to rotate, so that the structure is simple, and the size of the tool is reduced.
Preferably, the second conveying mechanism further comprises a sliding rail installed on the installation plane, the sliding rail is arranged along the outer edge of the installation plane, the poking piece comprises a poking finger used for being in contact with the tail end of the wedge ring and a second driving piece used for driving the poking finger to slide along the sliding rail, and the contact end of the poking finger is provided with a limiting groove used for embedding the tail end of the wedge ring.
By adopting the technical scheme, the sliding rail is arranged at the outer edge of the installation plane, and the second driving piece is arranged at the same time, so that the driving finger can slide along the sliding rail conveniently, and the sliding rail is arranged at the outer edge of the installation plane, so that interference can not be generated to the arrangement and the use of the tension structure and the first conveying mechanism; the contact end of the poking finger is provided with a limit groove, and the tail end of the wedge ring is embedded into the limit groove when the poking finger contacts with the tail end of the wedge ring, so that the poking finger is kept in stable contact with the wedge ring, and the last part of the wedge ring is conveniently pushed into the wedge ring groove.
Preferably, the second driving piece comprises a second driving motor connected with the poking finger, a driving gear fixed on a rotor of the second driving motor, and a rack arranged on the outer edge of the sliding rail and used for being meshed with the driving gear.
By adopting the technical scheme, the second driving motor drives the driving gear to rotate, so that the second driving motor body and the poking fingers slide along the sliding rail, and the poking fingers are controlled by the second driving motor so as to be controlled by the numerical control system of the tool, and the poking fingers are driven to move along the sliding rail to push the wedge ring to move forwards after the wedge ring is separated from the tensioning roller.
Preferably, the second conveying mechanism further comprises a telescopic piece connected between the second driving motor and the poking finger, and the telescopic piece is used for driving the poking finger to move towards the inner edge direction of the installation plane when the wedge ring is installed.
By adopting the technical scheme, because when the wedge ring is installed on the installation plane, the poking finger can interfere with the wedge ring, the telescopic piece is arranged, when the poking finger is in an initial state and in a working state, the telescopic piece is in a retracted state, when the wedge ring is installed, the telescopic piece drives the poking finger to extend out, interference between the poking finger and the wedge ring is avoided, and after the wedge ring is installed, the telescopic piece drives the poking finger to retract.
Preferably, the device further comprises a numerical control system, wherein the numerical control system comprises a processor, a positioning module and a detection module, the positioning module is used for acquiring the position of a wedge ring notch on a cylindrical workpiece, and the detection module is arranged at a position close to the tail end of the first conveying mechanism and used for judging the detachment of the wedge ring from the first conveying mechanism.
By adopting the technical scheme, the detection module is arranged, when the tail end of the wedge ring is separated from the tail end of the first conveying mechanism, a signal is sent to the processor, and the processor immediately controls the second driving motor to start so as to drive the poking finger to move to a specified position to enable the poking finger to be in contact with the tail end of the wedge ring, and the wedge ring is completely sent into the wedge ring groove along with the movement of the poking finger; the positioning module is arranged to acquire the position of the notch of the wedge ring, so that the front end of the wedge ring is aligned with the notch of the wedge ring before the first conveying mechanism is started, and accurate positioning is realized.
Preferably, the detection module comprises contact sensors arranged on the installation plane, two contact sensors are arranged, and the two contact sensors are arranged in a gap between the transmission roller and the tensioning roller.
Through adopting above-mentioned technical scheme, when the wedge ring is at the clearance removal between transmission gyro wheel and the stretch-draw gyro wheel, can contact foretell contact sensor for contact sensor sends first signal to the treater, after the wedge ring breaks away from the stretch-draw gyro wheel, the wedge ring no longer contacts contact sensor, makes contact sensor send the second signal to the treater, makes the treater send the signal to the second driving motor, with drive plectrum along the slide rail removal, promotes the tail end of wedge ring in order to send into the wedge ring in full the wedge ring groove.
In summary, the present application includes at least one of the following beneficial technical effects:
according to the application, through arranging the full-automatic tool in the wedge ring installation process including wedge ring opening, wedge ring positioning, wedge ring conveying and the like, the full-automatic assembly of the wedge ring is realized, the operation is simple and reliable, and the assembly difficulty of the wedge ring is reduced;
The tensioning roller used for being attached to the inner surface of the wedge ring and the pulling piece obliquely penetrating through the shell are arranged, the tensioning roller slides towards two ends along the inner surface of the wedge ring by obliquely pulling the tensioning roller, so that the wedge ring is propped open, the tensioning roller is only arranged on the installation plane, and the pulling piece is arranged below the installation plane, so that the device has a simple structure and can not interfere the combination of the tool and the cylindrical workpiece;
the driving rollers are arranged on the inner side and the outer side of the wedge ring in a folded mode, the first driving piece is arranged to drive the driving rollers to rotate, and friction force between the driving rollers and the inner surface and the outer surface of the wedge ring is utilized to drive the wedge ring to move.
Drawings
FIG. 1 is a schematic illustration of wedge ring grooves formed at overlapping locations after two cylindrical workpieces are butted together.
Fig. 2 is a schematic diagram of the whole structure of the wedge ring automatic assembly tool.
Fig. 3 is a schematic diagram of the whole structure of the wedge ring automatic assembly tool.
Fig. 4 is a schematic view of a partial structure with the mounting plane hidden.
Reference numerals illustrate: 01. a cylindrical workpiece; 011. wedge ring groove; 012. wedge ring notch; 02. a wedge ring; 1. a base; 11. a mounting plane; 111. a guide hole; 12. a housing; 13. an installation space; 2. tensioning the structure; 21. a pulling member; 22. pulling the terminal; 221. a stem portion; 222. tensioning rollers; 3. a first conveying mechanism; 31. a transmission member; 311. a transmission roller; 32. a first driving member; 321. a first driving motor; 322. a synchronous belt; 323. a transmission assembly; 3231. a drive gear; 3232. a driven gear; 4. a second conveying mechanism; 41. a toggle member; 411. a poking finger; 4111. a limit groove; 412. a second driving member; 4121. a second driving motor; 4122. a drive gear; 4123. a rack; 42. a slide rail; 43. a telescoping member; 5. and a connecting arm.
Detailed Description
The application is described in further detail below with reference to fig. 1-4.
The embodiment of the application discloses an automatic wedge ring assembly tool. Referring to fig. 1 and 2, the wedge ring automatic assembly tool is used for being connected with a mechanical arm, and comprises a base 1 used for being clasped with a cylindrical workpiece 01, a tensioning structure 2 arranged on the base 1 and used for expanding a wedge ring 02, a first conveying mechanism 3 used for conveying a main body part of the wedge ring 02 into a wedge ring groove 011, a second conveying mechanism 4 used for conveying a tail end part of the wedge ring 02 into the wedge ring groove 011, and a numerical control system. The second transfer mechanism 4 is for actuation after the first transfer mechanism 3.
Referring to fig. 2 and 3, the base 1 includes a mounting plane 11 provided at an end portion, an inner edge of the mounting plane 11 is C-shaped, and an arc of the inner edge of the mounting plane 11 is designed according to a cylindrical workpiece 01 to be butted. The mounting plane 11 may be provided only at one end of the base 1 or may be provided at both ends of the base 1. The installation plane 11 is used for providing the assembly space of the tensioning structure 2, the first conveying mechanism 3 and the second conveying mechanism 4, and before the wedge ring 02 is assembled, the installation work of the wedge ring 02 is performed on the installation plane 11, and then the tensioning work of the wedge ring 02 is performed. A connecting arm 5 for connecting with the mechanical arm is fixed on the side wall of the base 1.
The tension structure 2 includes a pulling member 21 and a pulling terminal 22 provided at the head of the pulling member 21. The pulling terminal 22 is used for non-fixed combination with the wedge ring 02, the pulling terminal 22 has a primary position near the middle of the wedge ring 02 and a final position near the end of the wedge ring 02, and the pulling member 21 is used for pulling the pulling terminal 22 from the primary position to the final position so as to prop open the wedge ring 02.
In one possible structural embodiment, the pulling terminal 22 is designed as a clamping piece with a U-shaped bayonet which can be clamped with the side wall of the wedge ring 02, the clamping piece is arranged on the side wall of any one of the upper end and the lower end of the wedge ring 02, the clamping piece can slide along the length direction of the wedge ring 02, two clamping pieces are arranged, in the initial position, the two wedge rings 02 are arranged at the middle part of the wedge ring 02, and the pulling piece 21 is used for pulling the clamping piece to slide towards the two ends along the length direction of the wedge ring 02 until reaching the final position, so that the wedge ring 02 is opened.
The pulling pieces 21 are also provided with two to pull the two pulling terminals 22, respectively, and the two pulling pieces 21 are located on both sides of the housing 12. The two pulling elements 21 are arranged obliquely and the trailing end of each pulling element 21 faces the inner edge of the mounting plane 11. For easy installation, the clamping member is clamped with the upper end of the wedge ring 02, and the pulling member 21 is arranged above the installation plane 11.
In another possible structural embodiment, the pulling terminal 22 includes a rod 221 slidably connected to the mounting plane 11 and a pulling roller 222 rotatably disposed at one end of the rod 221, and in order to limit the movement of the pulling terminal 22, the mounting plane 11 is provided with a guide hole 111, and the rod 221 penetrates the guide hole 111 and is connected to the pulling member 21 disposed below the mounting plane 11. When the wedge ring 02 is installed, the tensioning roller 222 is arranged at the inner edge of the wedge ring 02 and is attached to the inner surface of the wedge ring 02, the tensioning roller 222 is pulled by the pulling piece 21, and the tensioning roller 222 is in rolling contact with the inner surface of the wedge ring 02 in the process of sliding towards the two ends of the wedge ring 02 by utilizing friction force between the tensioning roller 222 and the inner surface of the wedge ring 02. Designing the pulling terminal 22 as a tensioning roller 222 further facilitates the installation of the wedge ring 02. Preferably, the outer surface of the tensioning roller 222 is roughened for conforming to the inner surface of the wedge ring 02.
The pulling pieces 21 are also provided with two to pull the two pulling terminals 22, respectively, and the two pulling pieces 21 are located on both sides of the housing 12. The two pulling elements 21 are arranged obliquely and the trailing end of each pulling element 21 faces the inner edge of the mounting plane 11. During pulling, the pulling terminal 22 is subjected to oblique pulling force, so that the pulling terminal 22 moves along the direction from the middle part of the wedge ring 02 to the two ends of the wedge ring 02 to drive the wedge ring 02 to open.
Referring to fig. 2, the base 1 may be a solid structure or a hollow structure, and considering convenience in installation and maintenance of the pulling member 21, interference between the pulling member 21 and the cylindrical workpiece 01 when the base 1 is held by the cylindrical workpiece 01 is avoided, the base 1 further includes a housing 12 bent in a C-shape, and the mounting planes 11 extend from both ends of the housing 12 toward the inner edges thereof, so that the mounting planes 11 form a crescent-shaped plane, and an open mounting space 13 for mounting the pulling member 21 is defined between the housing 12 and the upper and lower mounting planes 11. The pulling member 21 is inclined through the housing 12 and the head of the pulling member 21 is placed in the installation space 13.
Specifically, the pulling member 21 has a telescopic structure, the rod 221 is attached to the telescopic end of the pulling member 21, and the fixed portion of the pulling member 21 is disposed outside the attachment space 13.
Referring to fig. 2 and 3, the first transfer mechanism 3 includes a transmission member 31 disposed on both inner and outer sides of the wedge ring 02 and adapted to be engaged with inner and outer surfaces of the wedge ring 02, and a first driving member 32 for driving the transmission member 31 to rotate. The outer wall of the transmission member 31 is designed as a rough surface for driving the wedge ring 02 to move by friction.
The transmission member 31 includes a plurality of transmission rollers 311 arranged in a folded shape on both inner and outer sides of the wedge ring 02, and outer walls of the transmission rollers 311 are each provided with a rough surface. Each driving roller 311 is rotatably disposed on the installation plane 11 through a rotation shaft, and the rotation shaft penetrates through the installation plane 11. The number of the transmission rollers 311 can be arbitrarily set, and the application is described by taking three transmission rollers 311 as an example, and the three transmission rollers 311 are combined into a V shape.
Referring to fig. 3 and 4, the first driving member 32 includes a first driving motor 321 installed on an outer wall of the housing 12, a timing belt 322 disposed between a rotor of the first driving motor 321 and any one of the driving rollers 311, and a driving assembly 323 driving the driving rollers 311 to rotate synchronously. The axis of the first driving motor 321 is parallel to the axis of the base 1, and the synchronous belt 322 is connected with the rotor and the transmission roller 311 positioned in the middle. The transmission assembly 323 includes a driving gear 3231 fixed on the middle rotating shaft and driven gears 3232 fixed on the two rotating shafts at two sides, wherein the two driven gears 3232 are engaged with the driving gear 3231, so as to drive the three transmission rollers 311 to synchronously rotate, and the friction force between the transmission rollers 311 and the inner and outer surfaces of the wedge ring 02 is utilized to drive the wedge ring 02 to move.
In order to facilitate the installation and positioning of the wedge ring 02, the tension state of the wedge ring 02 is maintained, and the tension roller 222 and the transmission roller 311 are arranged in a folded shape on the basis that the tension roller 222 is arranged on the inner surface of the wedge ring 02.
Referring to fig. 2 to 4, the second transfer mechanism 4 slides a toggle member 41 provided on the mounting plane 11, the toggle member 41 being used to push the trailing end movement of the wedge ring 02 after the wedge ring 02 is disengaged from the terminal 22.
Specifically, in order to realize the smooth movement of the toggle member 41, the second conveying mechanism 4 further includes a sliding rail 42 mounted on the mounting plane 11, the toggle member 41 may slide along the sliding rail 42, and the sliding rail 42 is also C-shaped and disposed along the outer edge of the mounting plane 11. The toggle member 41 includes a toggle finger 411 for contacting with the tail end of the wedge ring 02, and a second driving member 412 for driving the toggle finger 411 to slide along the sliding rail 42. When the tail end of the wedge ring 02 is separated from the driving roller 311 located at the outermost side, the second driving member 412 drives the finger 411 to slide along the sliding rail 42, so that the end wall of the finger 411 contacts with the tail end of the wedge ring 02, and then the second driving member 412 drives the finger 411 to move along the sliding rail 42, so as to fully feed the wedge ring 02 into the wedge ring groove 011. The track of the slide rail 42 is designed to coincide with the movement track of the wedge ring 02.
Specifically, the second driving member 412 includes a second driving motor 4121 connected to the finger 411, a driving gear 4122 fixed to a rotor of the second driving motor 4121, and a rack 4123 provided at an outer edge of the slide rail 42 for meshing with the driving gear 4122. The axis of the second driving motor 4121 is parallel to the axis of the base 1, and the second driving motor 4121 drives the driving gear 4122 to rotate, so that the second driving motor 4121 body and the poking fingers 411 slide along the sliding rail 42, and are controlled by the second driving motor 4121, so that the poking fingers 411 are driven to move along the sliding rail 42 to push the wedge ring 02 to move forwards after the wedge ring 02 is separated from the tensioning roller 222 under the control of the numerical control system of the tool.
The contact end of the finger 411 is provided with a limit groove 4111 for embedding the tail end of the wedge ring 02, and preferably, the longitudinal section of the finger 411 is provided with a T shape, so that two sides of the finger 411 form an L-shaped limit groove 4111.
Since the finger 411 interferes with the wedge ring 02 when the wedge ring 02 is mounted to the mounting plane 11, the second transfer mechanism 4 further comprises a telescopic member 43 connected between the second drive motor 4121 and said finger 411. The telescopic member 43 is used for driving the poking finger 411 to move along the radial direction of the installation plane 11 towards the inner edge direction of the installation plane 11 when the wedge ring 02 is installed. When the poking finger 411 is in an initial state and in a working state, the telescopic piece 43 is in a retracted state, and when the wedge ring 02 is installed, the telescopic piece 43 drives the poking finger 411 to extend, interference between the poking finger 411 and the wedge ring 02 is avoided, and after the wedge ring 02 is installed, the telescopic piece 43 drives the poking finger 411 to retract. The present application will be described using a servo telescopic cylinder as an example of the telescopic member 43.
The numerical control system (not shown in the figure) comprises a processor, a positioning module and a detection module. The positioning module is used for acquiring the position of the wedge ring notch 012 on the cylindrical workpiece 01. In the present application, the positioning module includes a camera disposed on the robot arm. The camera is aligned with the wedge ring notch 012 of the cylindrical workpiece 01, and the shot image signals are transmitted back to the processor in real time, and the position information of the wedge ring notch 012 is calculated by the processor, so that the position information of the wedge ring notch 012 is sent to the mechanical arm, the mechanical arm drives the wedge ring automatic assembly fixture to move to a proper position, and the head of the wedge ring 02 is aligned with the wedge ring notch 012. The detection module is arranged at a position close to the tail end of the first conveying mechanism 3 and is used for judging whether the wedge ring 02 is separated from the first conveying mechanism 3 or not. Specifically, the detection module includes two contact sensors installed on the installation plane 11, and the two contact sensors are both disposed in the gap between the transmission roller 311 and the tensioning roller 222. When the wedge ring 02 moves in the gap between the transmission roller 311 and the tensioning roller 222, the contact sensor is contacted, so that the contact sensor sends a first signal to the processor, and when the wedge ring 02 is separated from the outermost driving roller 311, the wedge ring 02 is not contacted with the contact sensor any more, and the processor cannot receive the first signal sent by the contact sensor, so that the processor sends a signal to the second driving motor 4121 to drive the poking finger 411 to move along the sliding rail 42, and the tail end of the wedge ring 02 is pushed to send the wedge ring 02 into the wedge ring groove 011 entirely.
The implementation principle of the wedge ring automatic assembly tool provided by the embodiment of the application is as follows: firstly, the telescopic piece 43 is started to push the poking finger 411 to move towards the inner edge direction of the installation plane 11, the installation position of the wedge ring 02 is staggered to avoid interference with the wedge ring 02, and then the wedge ring 02 is installed on the installation plane 11, namely, the wedge ring 02 is installed in a gap formed by the transmission roller 311 and the tensioning roller 222, so that the transmission roller 311 and the tensioning roller 222 are arranged in a folded shape on the inner side and the outer side of the wedge ring 02. After the wedge 02 is installed, the telescopic member 43 drives the dial 411 to retract to the initial position. After the wedge ring 02 is installed, the contact sensor detects the wedge ring 02, so that a signal is sent to the processor, the processor controls the two traction pieces 21 to start according to the signal, the tension roller 222 at the end part is pulled, the tension roller 222 slides in the guide hole 111 under the inclined tension, the friction force between the tension roller 222 and the inner surface of the wedge ring 02 is utilized to drive the wedge ring 02 to open, the contact sensor is also arranged at the tail position of the guide hole 111, after the tension roller 222 moves to the tail position, the wedge ring 02 is represented to be tensioned in place, and the processor controls the traction pieces 21 to stop. And then the mechanical arm drives the wedge ring automatic assembly fixture to move to clamp the cylindrical workpiece 01, and the position of the wedge ring notch 012 is shot by utilizing the positioning module on the mechanical arm, and the mechanical arm continuously adjusts the position of the wedge ring automatic assembly fixture according to the position signal transmitted by the processor, so that the head end of the wedge ring 02 is aligned with the wedge ring notch 012. The assembly work of the wedge ring 02 is performed immediately after the alignment. When the wedge ring is assembled, the first driving motor 321 is started, and the plurality of driving rollers 311 synchronously rotate to drive the wedge ring 02 to move by using friction force. When the tail end of the wedge ring 02 leaves the gap between the transmission roller 311 and the support of the tensioning roller 222, the contact sensor at the position sends a signal to the processor, and when the contact sensor does not detect the wedge ring 02, the processor controls the second driving motor 4121 to start so as to drive the poking finger 411 to rapidly move to the tail end of the wedge ring 02 and contact with the tail end of the wedge ring 02, and the wedge ring 02 is completely sent into the wedge ring groove 011 along with the movement of the poking finger 411, so that the full-automatic assembly of the wedge ring 02 is realized.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. The utility model provides a wedge ring automation assembly frock which characterized in that: for connection with a robotic arm, comprising:
The base (1), the base (1) comprises a mounting plane (11) arranged at the end part, the inner edge of the mounting plane (11) forms a C shape for holding a cylindrical workpiece (01), and a wedge ring (02) is arranged on the mounting plane (11);
A tension structure (2) comprising a traction member (21) and a traction terminal (22) arranged at the head of the traction member (21), wherein the traction terminal (22) is used for being combined with a wedge ring (02) in a non-fixed mode, the traction terminal (22) has a primary position close to the middle of the wedge ring (02) and a final position close to the end of the wedge ring (02), and the traction member (21) is used for pulling the traction terminal (22) to move from the primary position to the final position;
the first conveying mechanism (3) comprises transmission pieces (31) which are distributed on the inner side and the outer side of the wedge ring (02) and are used for being attached to the inner surface and the outer surface of the wedge ring (02), and first driving pieces (32) which are used for driving the transmission pieces (31) to rotate, wherein the outer wall of the transmission pieces (31) is designed into a rough surface and is used for driving the wedge ring (02) to move by friction force;
The second conveying mechanism (4) comprises a poking piece (41) which is arranged on the installation plane (11) in a sliding mode, and the poking piece (41) is used for pushing the tail end of the wedge ring (02) to move after the wedge ring (02) is separated from the tail end of the traction terminal (22).
2. The wedge ring automated assembly tooling of claim 1, wherein: the base (1) further comprises a C-shaped bent shell (12), two ends of the shell (12) extend towards the inner edge direction of the shell to form the installation plane (11), two traction pieces (21) are arranged at two ends of the wedge ring (02) and obliquely penetrate through the shell (12), and tail ends of the two traction pieces (21) face towards the inner edge of the installation plane (11).
3. The wedge ring automated assembly tooling of claim 2, wherein: the installation plane (11) is provided with a guide hole (111), the traction terminal (22) comprises a rod part (221) sliding in the guide hole (111) and a tension roller (222) rotationally connected with the rod part (221), and the tension roller (222) is in rolling contact with the inner surface of the wedge ring (02); the traction piece (21) is of a telescopic structure, and the telescopic end of the traction piece (21) is connected with the rod part (221).
4. The automated wedge ring assembly tooling of claim 3, wherein: the transmission piece (31) comprises a plurality of transmission rollers (311), the transmission rollers (311) are distributed on the inner surface and the outer surface of the wedge ring (02) in a folded shape, the outer wall of each transmission roller (311) is provided with a rough surface, and the two tensioning rollers (222) are arranged on two sides of the transmission piece (31) and also form a folded structure with the transmission piece (31).
5. The automated wedge ring assembly tooling of claim 4, wherein: each transmission roller (311) is rotatably arranged on the installation plane (11) through a rotating shaft, and the first driving piece (32) comprises a first driving motor (321) arranged on the outer wall of the shell (12), a synchronous belt (322) arranged between a rotor of the first driving motor (321) and any one transmission roller (311) and a transmission assembly (323) for driving a plurality of transmission rollers (311) to synchronously rotate.
6. The wedge ring automated assembly tooling of claim 1, wherein: the second conveying mechanism (4) further comprises a sliding rail (42) arranged on the installation plane (11), the sliding rail (42) is arranged along the outer edge of the installation plane (11), the stirring piece (41) comprises a stirring finger (411) used for being contacted with the tail end of the wedge ring (02) and a second driving piece (412) used for driving the stirring finger (411) to slide along the sliding rail (42), and a limiting groove (4111) used for embedding the tail end of the wedge ring (02) is formed in the contact end of the stirring finger (411).
7. The automated wedge ring assembly tooling of claim 6, wherein: the second driving piece (412) comprises a second driving motor (4121) connected with the poking finger (411), a driving gear (4122) fixed on a rotor of the second driving motor (4121), and a rack (4123) arranged on the outer edge of the sliding rail (42) and used for being meshed with the driving gear (4122).
8. The automated wedge ring assembly tooling of claim 7, wherein: the second conveying mechanism (4) further comprises a telescopic piece (43) connected between the second driving motor (4121) and the poking fingers (411), and the telescopic piece (43) is used for driving the poking fingers (411) to move towards the inner edge direction of the installation plane (11) when the wedge ring (02) is installed.
9. The wedge ring automated assembly tooling of claim 1, wherein: the device comprises a first conveying mechanism (3), a second conveying mechanism (02) and a numerical control system, and is characterized by further comprising the numerical control system, wherein the numerical control system comprises a processor, a positioning module and a detection module, the positioning module is used for acquiring the position of a wedge ring groove (012) on a cylindrical workpiece (01), and the detection module is arranged at a position close to the tail end of the first conveying mechanism (3) and used for judging the detachment of the wedge ring (02) from the first conveying mechanism (3).
10. The automated wedge ring assembly tooling of claim 9, wherein: the detection module comprises contact sensors arranged on the installation plane (11), wherein two contact sensors are arranged, and the two contact sensors are arranged in a gap between the transmission roller (311) and the tensioning roller (222).
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| CN202410490191.8A CN118081348B (en) | 2024-04-23 | 2024-04-23 | Wedge ring automatic assembly fixture |
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| CN202410490191.8A CN118081348B (en) | 2024-04-23 | 2024-04-23 | Wedge ring automatic assembly fixture |
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| CN1080228A (en) * | 1992-06-16 | 1994-01-05 | 中国船舶工业总公司第七一三研究所 | The coiling heat setting process and the device thereof of wedge ring |
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| CN118081348B (en) | 2024-07-16 |
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