CN115592434A - Positioning and supporting device for machining thin-wall shell type parts - Google Patents
Positioning and supporting device for machining thin-wall shell type parts Download PDFInfo
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- CN115592434A CN115592434A CN202211329324.0A CN202211329324A CN115592434A CN 115592434 A CN115592434 A CN 115592434A CN 202211329324 A CN202211329324 A CN 202211329324A CN 115592434 A CN115592434 A CN 115592434A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention discloses a positioning and supporting device for processing thin-wall shell parts, which relates to the technical field of thin-wall shell part processing and comprises the following components: and the self-adaptive positioning mechanism is used for positioning and supporting the outer wall of the part under the action of the self-adaptive positioning mechanism. The invention can position and support the outer wall of the thin-wall shell part in multiple directions, thereby greatly improving the stability of positioning and supporting, and can apply the same acting force in a self-adaptive manner so as to avoid the condition that the machining precision is influenced by part breakage or part positioning looseness.
Description
Technical Field
The invention relates to the technical field of thin-wall shell type part machining, in particular to a positioning and supporting device for thin-wall shell type part machining.
Background
Thin-walled shell parts are widely used in aerospace and other fields, but because of the special appearance and thin-walled characteristics of the thin-walled shell parts, the rigidity and strength of the thin-walled shell parts are not good, and therefore the thin-walled shell parts need to be carefully positioned and supported when being machined.
The current positioning and supporting device can not effectively position the thin-wall shell parts with different wall thicknesses or different shapes, frequently causes the condition of part deformation and damage due to over positioning, and causes the unfavorable condition of looseness in subsequent processing due to insufficient positioning, so that the positioning and supporting effects are poor, and the subsequent processing of the thin-wall shell parts is not facilitated.
Disclosure of Invention
The invention aims to provide a positioning and supporting device for machining thin-wall shell parts, which can position and support the outer wall of the thin-wall shell part in multiple directions to greatly improve the stability of positioning and supporting, can apply the same acting force in a self-adaptive manner to avoid the condition that the machining precision is influenced by part crushing or part positioning loosening, can conveniently adjust the orientation of a user by applying the acting force to be suitable for parts made of different materials, and finally has a retaining effect after the parts are positioned to avoid the condition that a mechanism is reset under the action of external force.
In order to achieve the purpose, the invention provides the following technical scheme: a positioning and supporting device for machining thin-wall shell parts comprises:
the plate comprises a plate body, wherein a ring body is fixedly connected to the upper surface of the plate body;
the driving mechanism and the self-adaptive positioning mechanism are used for positioning and supporting the outer wall of the part under the action of the self-adaptive positioning mechanism through the operation of the driving mechanism;
the adjusting component can directionally adjust the positioning force of the part under the cooperation of the adjusting component through the operation of the self-adaptive positioning mechanism;
and the holding mechanism can keep the stability of the self-adaptive positioning mechanism after moving under the cooperation of the holding mechanism through the operation of the self-adaptive positioning mechanism.
Optionally, the drive mechanism comprises:
the motor comprises a motor, wherein a shell of the motor is fixedly connected with the upper surface of the plate body, a rotating part of the motor is fixedly connected with a first friction disc, a fixed shaft of the upper surface of the plate body is rotatably connected with a friction ring, the upper surface of the friction ring is fixedly connected with a first bevel gear, and the outer surface of the first bevel gear is meshed with a second bevel gear.
Optionally, the adaptive positioning mechanism includes:
one end of the connecting rod is fixedly connected with the outer surface of the second bevel gear, the other end of the connecting rod is fixedly connected with a threaded rod, and the end part of the threaded rod is in fixed-axis rotating connection with the outer surface of the ring body;
the inner side of each half thread sleeve is provided with an internal thread groove in thread transmission with the threaded rod, the outer surface of each half thread sleeve is fixedly connected with a sleeve, the inner side of each sleeve is connected with a sleeve rod in a sliding mode, the outer surface of each sleeve rod is fixedly connected with a lug, the outer surface of each ring body is fixedly connected with a sliding rail through a supporting rod, and the sliding groove of each sliding rail is matched with the bulge of the lug and is used for the lug to slide;
the outer surface of the sleeve is fixedly connected with an L-shaped rod, the end part of the L-shaped rod is fixedly connected with a sliding block, two groove bodies are formed in the side face of the transmission plate, the inner sides of the groove bodies are connected with the outer surface of the sliding block in a sliding mode, and the opposite sides of the groove bodies and the sliding block are fixedly connected with a first spring;
also comprises a connecting mechanism.
Optionally, the connection structure includes:
the hinge plate, one end of the hinge plate pass through the connecting piece one with the tip of slider is articulated mutually, the other end of hinge plate passes through the connecting piece two and articulates there is the push pedal, the side of push pedal has seted up opening one, the mouth wall department sliding connection of opening one has the carriage release lever, the tip fixedly connected with of carriage release lever has location support piece, location support piece with the common fixedly connected with spring two of the opposite side of push pedal.
Optionally, the adjusting part includes:
the side face of the push plate is provided with a second opening, and the opening wall of the second opening is fixedly connected with the shell of the first electric telescopic rod.
Optionally, the holding mechanism comprises:
the outer surface of the piston cylinder is fixedly connected with the end part of the sleeve rod, the inner side of the piston cylinder is connected with a piston head in a sliding manner, the side surface of the piston head is fixedly connected with a piston rod, the outer surface of the piston cylinder is provided with a sliding opening through which the piston rod penetrates and is connected with the piston rod in a sliding manner, and the end part of the piston rod is fixedly connected with the inner wall of the sleeve;
a first pipeline and a second pipeline are fixedly communicated with the outer surface of the piston cylinder, one-way valves are respectively arranged inside the first pipeline and the second pipeline, connecting grooves for the first pipeline and the second pipeline to penetrate through are respectively formed inside the sleeve rod, a sucking disc is fixedly connected to the end portion of the sleeve rod, and the end portions of the first pipeline and the second pipeline are communicated with the sucking disc;
an avoidance assembly is also included.
Optionally, the avoidance assembly includes:
two electric telescopic handle two, electric telescopic handle two the shell portion pass through the support with the upper surface department fixed connection of plate body, electric telescopic handle two's pars contractilis fixedly connected with movable plate, the movable plate orientation one side of threaded rod is used for the sucking disc adsorbs.
Optionally, the outer surface department fixedly connected with casing of plate body, the outer surface department of casing has seted up opening three, the casing passes through three sliding connection in opening have a slide bar, the both ends of slide bar are fixedly connected with restriction piece and setting element respectively, the inside fixed mounting of setting element has magnet, the inside fixed mounting of ring body has the electro-magnet.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention positions and supports the outer wall of a part under the action of the self-adaptive positioning mechanism through the operation of the driving mechanism, and the operation mechanism comprises:
firstly: the device has a good self-adaptive effect, is different from the existing mode, has a certain trigger effect, and only when the positioning support part is contacted with a part, the acting force is applied, so that the device can be triggered when the device is contacted with the part regardless of different specifications, shapes or wall thicknesses of the thin-wall part, the deformation condition caused by overlarge stress of the part can be greatly avoided, and the intelligence is better;
secondly, the method comprises the following steps: this mode adopts the multi-angle location effect, has adopted and has gone up the zero outer wall and carry out the synchronous positioning mode in the three direction, so fix a position the back and support the better of effect after the location is accomplished, can improve the fastness and the accurate nature of location, the difficult condition that appears deflecting and remove under the exogenic action, reach the fixed effect of multi-angle, so the practicality is better.
2. The invention can directionally adjust the positioning force of the part under the matching of the adjusting part through the operation of the self-adaptive positioning mechanism, and the operation mechanism comprises: the effect that the effort is adjustable can be according to different materials and under different kinds of location state, applys suitable effort, possesses higher intelligent effect, turns into the variation of relative movement distance with the effort, so more directly perceived nature, and then can be convenient for the user according to the condition of reality and carry out directional regulation.
3. The invention can keep the stability of the self-adaptive positioning mechanism after moving under the coordination of the keeping mechanism through the operation of the self-adaptive positioning mechanism, and the operation mechanism is provided with:
firstly: the unique principle of negative pressure adsorption is adopted, the effect of locking the positioned structure is achieved, an auxiliary driving structure is not required to be additionally arranged, and the automatic driving is realized only through the relative movement during positioning, so that the linkage and intelligence are better, meanwhile, the negative pressure adsorption in two directions is better in stability, and the positioning accuracy and the subsequent part processing effect can be improved;
secondly, the method comprises the following steps: when the unlocking is needed, the function of quick unlocking can be achieved, and the retaining mechanism can be quickly released in a piston air injection mode, so that the convenience and the performance are better, and the situations of device locking and the like are not easy to occur;
and furthermore: the mode can reduce the abrasion condition of the holding mechanism and also can reduce the abrasion condition generated when the mechanism runs, thereby prolonging the service life of the structure, avoiding the condition that the holding mechanism cannot be normally used and ensuring the reliability and effectiveness of positioning and supporting the thin-wall part.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a first isometric view of the structure of the present invention;
FIG. 3 is a second isometric view of the structure of the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 2;
FIG. 5 is an enlarged view of the structure of FIG. 4 at C in accordance with the present invention;
FIG. 6 is a cross-sectional view of the structure at the sleeve of the present invention;
FIG. 7 is a schematic view of the structure of the slide rail according to the present invention;
fig. 8 is an enlarged view of the structure of fig. 3 at B according to the present invention.
In the figure: 1. a plate body; 2. a ring body; 3. a motor; 4. a first friction disc; 5. a friction ring; 6. a first conical gear; 7. a second bevel gear; 8. a connecting rod; 9. a threaded rod; 10. a half thread bush; 11. a sleeve; 12. a loop bar; 13. a bump; 14. a slide rail; 15. an L-shaped rod; 16. a slider; 17. a drive plate; 18. a first spring; 19. a hinge plate; 20. pushing the plate; 21. a travel bar; 22. positioning a support; 23. a second spring; 24. a first electric telescopic rod; 25. a piston cylinder; 26. a piston head; 27. a piston rod; 28. a first pipeline; 29. a second pipeline; 30. a suction cup; 31. a second electric telescopic rod; 32. moving the plate; 33. a housing; 34. a slide bar; 35. a limiting block; 36. a positioning member; 40. a one-way valve.
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 to 8, the present embodiment provides a positioning and supporting device for machining thin-walled housing type parts, including: the plate body 1, the upper surface department of plate body 1 fixedly connected with ring body 2.
More specifically, in the present embodiment: the plate body 1 and the ring body 2 play a role in placing thin-wall shell parts, and convenience is provided for subsequent supporting and positioning.
Further, in the present embodiment: through the operation of the driving mechanism, the outer wall of the part is positioned and supported under the action of the self-adaptive positioning mechanism.
More specifically, in the present embodiment: the utility model has the following advantages:
s1: the device has the advantages that the device has a good self-adaptive effect, the device is different from the existing mode, the device has a certain trigger effect, and the acting force is applied only when the positioning support structure is contacted with the part, so that the device can be triggered when the device is contacted with the part regardless of different specifications, shapes or wall thicknesses of the thin-wall part, the deformation condition caused by overlarge stress on the part can be greatly avoided, and the intelligence is better;
s2: this mode adopts the multi-angle location effect, has adopted and has gone up the zero outer wall and carry out the synchronous positioning mode in the three direction, so fix a position the back and support the better of effect after the location is accomplished, can improve the fastness and the accurate nature of location, the difficult condition that appears deflecting and remove under the exogenic action, reach the fixed effect of multi-angle, so the practicality is better.
Further, in the present embodiment: through the operation of the self-adaptive positioning mechanism, the force for positioning the part can be directionally adjusted under the matching of the adjusting part.
More specifically, in the present embodiment: the utility model has the following advantages:
the effect that the effort is adjustable can be according to different materials and under different kinds of location state, applys suitable effort, possesses higher intelligent effect, turns into the variation of relative movement distance with the effort, so more directly perceived nature, and then can be convenient for the user according to the condition of reality and carry out directional regulation.
Further, in the present embodiment: through the operation of the self-adaptive positioning mechanism, the stability of the self-adaptive positioning mechanism after moving can be kept under the coordination of the holding mechanism.
More specifically, in the present embodiment: the utility model has the following advantages:
s1: the unique principle of negative pressure adsorption is adopted, the effect of locking the positioned structure is achieved, an auxiliary driving structure is not required to be additionally arranged, and the automatic driving is realized only through the relative movement during positioning, so that the linkage and intelligence are better, meanwhile, the negative pressure adsorption in two directions is better in stability, and the positioning accuracy and the subsequent part processing effect can be improved;
s2: when the unlocking is needed, the function of quick unlocking can be achieved, and the retaining mechanism can be quickly released in a piston air injection mode, so that the convenience and the performance are better, and the situations of device locking and the like are not easy to occur;
s3: the mode can reduce the abrasion condition of the holding mechanism and also can reduce the abrasion condition generated when the mechanism runs, thereby prolonging the service life of the structure, avoiding the condition that the holding mechanism cannot be normally used and ensuring the reliability and effectiveness of positioning and supporting the thin-wall part.
Further, in the present embodiment: the outer shell of the motor 3 is fixedly connected with the upper surface of the plate body 1, a first rotating portion of the motor 3 is fixedly connected with a friction disc 4, a fixed shaft of the upper surface of the plate body 1 is rotatably connected with a friction ring 5, a first conical gear 6 is fixedly connected with the upper surface of the friction ring 5, and a second conical gear 7 is meshed with the outer surface of the first conical gear 6.
More specifically, in the present embodiment: the friction disc I4 is driven to rotate by the operation of the rotating part of the motor 3, and the conical gear II 7 is driven to rotate under the friction transmission and the gear transmission.
Further, in the present embodiment: one end of the connecting rod 8 is fixedly connected with the outer surface of the second bevel gear 7, the other end of the connecting rod 8 is fixedly connected with a threaded rod 9, and the end part of the threaded rod 9 is in fixed-axis rotation connection with the outer surface of the ring body 2.
More specifically, in the present embodiment: the second bevel gear 7 rotates to drive the connecting rod 8 and the threaded rod 9 to rotate, and the rotation of the threaded rod 9 is the driving force of the positioning support structure.
Further, in the present embodiment: the inboard of half thread bush 10 is seted up with threaded rod 9 looks screw thread drive's internal thread groove, and the surface department fixedly connected with sleeve 11 of half thread bush 10, and the inboard sliding connection of sleeve 11 has loop bar 12, and the surface department fixedly connected with lug 13 of loop bar 12, the surface department of ring body 2 is through bracing piece fixedly connected with slide rail 14, and the spout department of slide rail 14 agrees with the bellying of lug 13 to supply lug 13 to slide.
More specifically, in the present embodiment: through the rotation of threaded rod 9, under the screw-thread fit of half thread bush 10, and the restriction of half thread bush 10 displacement direction between the structure for half thread bush 10 carries out horizontal removal, under the effect of lug 13 and slide rail 14, can keep the stability in operation for half thread bush 10, sleeve 11 and loop bar 12.
Further, in the present embodiment: the outer surface of the sleeve 11 is fixedly connected with an L-shaped rod 15, the end part of the L-shaped rod 15 is fixedly connected with a sliding block 16, two groove bodies are formed in the side face of a transmission plate 17, the inner sides of the groove bodies are connected with the outer surface of the sliding block 16 in a sliding mode, and the opposite sides of the groove bodies and the sliding block 16 are fixedly connected with a first spring 18.
More specifically, in the present embodiment: the sleeve 11, the L-shaped rod 15 and the positioning and supporting structure thereon are driven to synchronously move by the movement of the half-thread sleeve 10, and finally, the positioning and supporting effect on the thin-wall shell parts is realized.
Further, in the present embodiment: one end of the hinged plate 19 is hinged with the end part of the sliding block 16 through a first connecting piece, the other end of the hinged plate 19 is hinged with a push plate 20 through a second connecting piece, the side surface of the push plate 20 is provided with a first opening, the opening wall of the first opening is connected with a moving rod 21 in a sliding mode, the end part of the moving rod 21 is fixedly connected with a positioning supporting piece 22, and the positioning supporting piece 22 and the opposite side of the push plate 20 are fixedly connected with a second spring 23.
More specifically, in the present embodiment: when the positioning support 22 contacts the outer wall of the part, the positioning support 22 and the push plate 20 move relatively, so that the second spring 23 can be compressed to exert an elastic force on the outer wall of the part, and when the positioning support 22 contacts the push plate 20, the push plate 20 can be driven to move in a retracting transverse mode, so that the slide block 16 is driven to slide in the groove body under the hinged relation of the hinge plates 19.
Further, in the present embodiment: the side surface of the push plate 20 is provided with a second opening, and the opening wall of the second opening is fixedly connected with the shell of the first electric telescopic rod 24.
More specifically, in the present embodiment: by the operation of the telescopic part of the electric telescopic rod 24, when the telescopic end part of the electric telescopic rod 24 and the push plate 20 are integrated, the distance between the push plate 20 and the positioning support 22 can be directionally adjusted, and the purpose of adjusting the force applied to the outer wall of the part is further achieved.
Further, in the present embodiment: the outer surface of the piston cylinder 25 is fixedly connected with the end of the loop bar 12, the inner side of the piston cylinder 25 is slidably connected with a piston head 26, the side surface of the piston head 26 is fixedly connected with a piston rod 27, the outer surface of the piston cylinder 25 is provided with a sliding opening through which the piston rod 27 penetrates and is slidably connected with the piston rod, and the end of the piston rod 27 is fixedly connected with the inner wall of the sleeve 11.
More specifically, in the present embodiment: the relative movement of the sleeve 11 and the sleeve rod 12, and thus the relative movement of the piston rod 27, the piston head 26 and the piston cylinder 25, causes the air pressure in the piston cylinder 25 to change.
Further, in the present embodiment: the outer surface of the piston cylinder 25 is fixedly communicated with a first pipeline 28 and a second pipeline 29, the first pipeline 28 and the second pipeline 29 are internally provided with one-way valves 40, connecting grooves for the first pipeline 28 and the second pipeline 29 to penetrate are respectively formed in the sleeve rod 12, the end part of the sleeve rod 12 is fixedly connected with a sucker 30, and the end parts of the first pipeline 28 and the second pipeline 29 are communicated with the sucker 30.
More specifically, in the present embodiment: with the movement of the piston head 26, the gas in the suction cup 30 is drawn into the piston cylinder 25 to achieve the effect of negative pressure suction, and when the piston head 26 moves in a resetting manner, the gas in the piston cylinder 25 can be pressed back into the suction cup 30 again, so that the suction state is convenient to unlock.
Further, in the present embodiment: the subassembly of dodging includes:
two electric telescopic handle 31, the outer shell of electric telescopic handle 31 is through support and plate body 1's upper surface department fixed connection, and the pars contractilis fixed connection of electric telescopic handle 31 has movable plate 32, and movable plate 32 is used for sucking disc 30 to adsorb towards one side of threaded rod 9.
More specifically, in the present embodiment: through the operation of the two 31 telescopic parts of electric telescopic handle, drive the movable plate 32 and remove, make it keep away from with the movable plate 32 when sucking disc 30 sideslip, play good dodge protective effect, reduce sucking disc 30 and appear wearing and tearing and reduce life's the condition, when sucking disc 30 needs the location, can make the movable plate 32 approach towards sucking disc 30 to reduce the distance between sucking disc 30 and the movable plate 32, make the adsorption efficiency better.
Further, in the present embodiment: the outer surface department fixedly connected with casing 33 of plate body 1, the outer surface department of casing 33 has seted up opening three, and casing 33 has slide bar 34 through three sliding connection of opening, and the both ends of slide bar 34 are fixedly connected with limiting block 35 and setting element 36 respectively, and the inside fixed mounting of setting element 36 has magnet, and the inside fixed mounting of ring body 2 has the electro-magnet.
More specifically, in the present embodiment: when placing on plate body 1 at thin wall casing part, can switch on the electro-magnet, and for opposite sex attracting state between the electro-magnet after the circular telegram and the magnet, and then can make multiunit setting element 36 outwards extend, contact until the inside with the part, reach the effect of preliminary location to avoid the follow-up removal condition that appears when the outer wall carries out the location support, carry out the mode of dual location at outer wall and inner wall simultaneously, it is better to the location and the supporting effect of part.
The working principle is as follows: when the positioning and supporting device for machining the thin-wall shell type part is used, the thin-wall shell type part is widely used in aerospace and other fields, but due to the particularity of the appearance of the thin-wall shell type part and the characteristics of the thin wall, the rigidity and the strength of the thin-wall shell type part are not necessarily good, so that the thin-wall shell type part needs to be carefully positioned and supported when being machined, the existing positioning and supporting device cannot effectively position the thin-wall shell type part with different wall thicknesses and different shapes, the deformation of the part due to over positioning often occurs, and the loosening during subsequent machining due to insufficient positioning often occurs, so that the problem is mainly solved.
The invention can be applied to the processing of thin-wall shell parts with various shapes and different wall thicknesses, such as cylindrical thin-wall parts, rectangular thin-wall parts, irregular thin-wall parts and the like.
When the self-adaptive positioning mechanism is used, thin-wall shell parts are preferentially placed on the plate body 1, the thin-wall shell parts are explained later and are simply called parts, so that the parts are positioned on the inner side of the self-adaptive positioning mechanism, the control panel can timely control the motor 3 to operate through the control of a user, the friction disc I4 is driven to rotate through the rotation of the motor 3, the friction ring 5 is driven to rotate through friction transmission, and the bevel gear I6 rotates, as shown in figure 4, the bevel gear I6 is of a toothed ring structure, so that the bevel gear II 7, the connecting rod 8 and the threaded rod 9 are driven to rotate through meshing transmission, the half threaded sleeve 10, the sleeve 11, the sleeve rod 12, the L-shaped rod 15, the transmission plate 17, the hinged plate 19, the push plate 20 and the positioning support piece 22 can be driven to synchronously move through the rotation of the threaded rod 9 under the thread transmission and the transverse limiting relation of the slide rail 14, as shown in fig. 4, the visual angle is right, and then the positioning support 22 can finally contact with the outer wall of the part, after the contact, the part cannot move due to the preliminary positioning of the part in advance, so the positioning support 22 moves closely relative to the push plate 20, and then the second spring 23 can be compressed, so that elastic potential energy is formed on the outer wall of the part, the elastic force is continuously increased along with the continuous compression of the second spring 23, the elastic force of the second spring 23 is not enough to counteract the elastic force of the first spring 18, and thus the stability of the slider 16 and the push plate 20 can be always maintained, when the positioning support 22 contacts with the first electric telescopic rod 24, the original elastic force is converted into the resisting force of the structure directly contacting with the structure, and then the push plate 20 can be pushed to move leftwards, therefore, the hinged plate 19 can deflect, and the driving plate 17 is limited by the lower thread transmission, so that the leftward reset movement cannot occur, the stability can be maintained, finally, the slide block 16 and the L-shaped rod 15 are driven to move towards the direction away from the threaded rod 9 under the hinged relation of the hinged plate 19, so that the sleeve 11 is driven to move under the connection relation of the L-shaped rod 15, finally, the half-thread sleeve 10 and the threaded rod 9 are subjected to the principle, the thread linear transmission is finally released, the acting force continuously applied to the part is stopped, the acting force applied to the part at the moment can just keep the acting force which cannot deform and achieve excellent positioning support, and in order to avoid the situation that the acting force cannot be kept after the thread transmission is released, the invention is matched with a retaining mechanism for assistance, and the mechanism comprises:
the first point is as follows: the method has excellent self-adaptive effect, is different from the existing propelling mode which cannot perform the self-adaptive supporting and positioning effect, possibly has the condition that the acting force for part deformation or part positioning is insufficient, and the time required by part positioning and supporting is possibly longer, is different from the existing mode, has certain triggering effect, and only starts to apply and calculate the acting force when the positioning support piece 22 is in contact with the part, so that the triggering can be started when the device is in contact with the part regardless of different specifications, shapes or wall thicknesses of the thin-wall part, thereby greatly avoiding the deformation condition caused by overlarge stress of the part, and having better intelligence;
and a second point: the mode adopts the multi-angle positioning effect, and adopts the mode of synchronously positioning the outer wall of the part in three directions as shown in figures 1-3, so that the positioning support effect is better after the positioning is finished, the positioning firmness and accuracy can be improved, the deflection and movement are not easy to occur under the action of external force, the multi-angle fixing effect is achieved, and the practicability is better.
Through the operation of the telescopic part of the electric telescopic rod 24, the distance between the positioning support member 22 and the push plate 20 can be directionally adjusted, the elastic compression amount of the spring 23 can be directionally changed, different positioning acting forces can be given to the outer wall of a part, the mode has the effect that the acting force can be adjusted, the proper acting force can be applied according to different materials and different positioning states, the higher intelligent effect is achieved, the application of the acting force is converted into the variation amount of the relative movement distance, the intuition is better, and the user can conveniently conduct directional adjustment according to the actual situation.
When the half-thread sleeve 10 is disengaged from the threaded rod 9, the sleeve 11 and the loop bar 12 move relatively, when moving, the piston rod 27 and the piston head 26 move relatively to the piston cylinder 25, and further the piston head 26 moves upward in the piston cylinder 25, due to the change of air pressure, the first pipe 28 draws air in the suction cup 30 under the action of the one-way valve 40, and finally, a negative pressure suction effect can be achieved, so that the suction cup 30 is stably adsorbed on the moving plate 32, and therefore, a holding and stabilizing effect is achieved, when unlocking is required, the first spring 18 retracts to retract the first electric telescopic rod 24, so that the positioning support 22 is away from the push plate 20, when the retraction is performed to a certain extent, the contact force between the structure and the structure is converted into an elastic force, the first spring 18 enables the L-shaped rod 15 to perform a restoring movement, so that the piston head 26 is driven to move from top to bottom in the piston cylinder 25, so that the air in the piston cylinder 25 can be pressed into the first pipe 40 through the elastic force, the second pipe 26 is pressed into the sucking cup 30, and the sucking plate 30 can be released quickly, and the sucking plate 30 can perform a pressure reduction effect when the sucking action, and the sucking action of the sucking plate 30 is performed, and the sucking action of the sucking plate 30, so that the sucking plate 30 is achieved, in order to avoid the friction force generated when the abrasion and the reduction structure of the suction cup 30 operate, the telescopic part of the electric telescopic rod two 31 does not operate when the positioning is not completed, so that the moving plate 32 has a certain distance with the suction cup 30, the normal operation between the structures and the condition of avoiding the abrasion of the suction cup 30 are achieved, and after the positioning is completed, the loop bar 12 can not slide any more, so the telescopic part of the automatic driving electric telescopic rod two 31 moves, the moving plate 32 is attached to the suction cup 30, the suction cup 30 is provided with pressure, the suction cup is provided with certain pressure, the gap between the suction cup 30 and the moving plate 32 can be reduced, the subsequent negative pressure adsorption effect can be improved, and the scheme is provided with:
the first point is as follows: the principle of negative pressure adsorption is adopted uniquely, the effect of locking the positioned distance is achieved, a driving structure is not required to be additionally arranged, and the distance is automatically driven only through the relative movement of the structure in the self-adaptive positioning process, so that the linkage and intelligence are better, and meanwhile, the stability of the negative pressure adsorption in two directions is better, so that the positioning accuracy and the subsequent part processing effect can be improved;
and a second point: when the unlocking is needed, the quick unlocking effect can be achieved, and the retaining mechanism can be quickly released in a piston air injection mode, so that the convenience and the performance are better, and the phenomenon that the device is stuck is not easy to occur;
and a third point: the mode can reduce the abrasion condition of the retaining mechanism and also can reduce the abrasion condition generated when the mechanism operates, thereby prolonging the service life of the structure, avoiding the condition that the retaining mechanism cannot be normally used and ensuring the reliability and effectiveness of positioning and supporting the thin-wall part.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a thin wall casing class parts machining is with location strutting arrangement which characterized in that: the method comprises the following steps:
the plate comprises a plate body (1), wherein a ring body (2) is fixedly connected to the upper surface of the plate body (1);
the driving mechanism and the self-adaptive positioning mechanism are used for positioning and supporting the outer wall of the part under the action of the self-adaptive positioning mechanism through the operation of the driving mechanism;
the adjusting component can directionally adjust the positioning force of the part under the cooperation of the adjusting component through the operation of the self-adaptive positioning mechanism;
and the holding mechanism can keep the stability of the self-adaptive positioning mechanism after moving under the cooperation of the holding mechanism through the operation of the self-adaptive positioning mechanism.
2. The positioning and supporting device for machining the thin-wall shell type part according to claim 1, characterized in that: the drive mechanism includes:
the motor comprises a motor (3), the outer shell of the motor (3) is fixedly connected with the upper surface of the plate body (1), a first friction disc (4) is fixedly connected with the rotating part of the motor (3), a friction ring (5) is rotatably connected with the upper surface of the plate body (1) in a fixed shaft mode, a first bevel gear (6) is fixedly connected with the upper surface of the friction ring (5), and a second bevel gear (7) is meshed with the outer surface of the first bevel gear (6).
3. The positioning and supporting device for machining the thin-wall shell type part according to claim 2, characterized in that: the adaptive positioning mechanism comprises:
one end of the connecting rod (8) is fixedly connected with the outer surface of the second bevel gear (7), the other end of the connecting rod (8) is fixedly connected with a threaded rod (9), and the end part of the threaded rod (9) is in fixed-axis rotating connection with the outer surface of the ring body (2);
the inner side of each half thread sleeve (10) is provided with an internal thread groove in thread transmission with the threaded rod (9), the outer surface of each half thread sleeve (10) is fixedly connected with a sleeve (11), the inner side of each sleeve (11) is slidably connected with a sleeve rod (12), the outer surface of each sleeve rod (12) is fixedly connected with a convex block (13), the outer surface of the ring body (2) is fixedly connected with a sliding rail (14) through a supporting rod, and the sliding groove of each sliding rail (14) is matched with the convex part of each convex block (13) and is used for the convex blocks (13) to slide;
the device comprises a transmission plate (17), wherein an L-shaped rod (15) is fixedly connected to the outer surface of the sleeve (11), a sliding block (16) is fixedly connected to the end part of the L-shaped rod (15), two groove bodies are formed in the side surface of the transmission plate (17), the inner sides of the groove bodies are in sliding connection with the outer surface of the sliding block (16), and a first spring (18) is fixedly connected to the opposite sides of the groove bodies and the sliding block (16);
also comprises a connecting mechanism.
4. The positioning and supporting device for machining the thin-wall shell type part according to claim 3, characterized in that: the connection structure includes:
the hinge plate (19), one end of the hinge plate (19) is hinged with the end of the sliding block (16) through a first connecting piece, the other end of the hinge plate (19) is hinged with a push plate (20) through a second connecting piece, an opening I is formed in the side face of the push plate (20), a moving rod (21) is connected to the opening wall of the opening I in a sliding mode, a positioning supporting piece (22) is fixedly connected to the end of the moving rod (21), and a second spring (23) is fixedly connected to the opposite side of the positioning supporting piece (22) and the opposite side of the push plate (20) together.
5. The positioning and supporting device for machining the thin-wall shell type part according to claim 4, characterized in that: the adjusting part includes:
the side face of the push plate (20) is provided with a second opening, and the opening wall of the second opening is fixedly connected with the shell of the first electric telescopic rod (24).
6. The positioning and supporting device for machining the thin-wall shell type part according to claim 3, characterized in that: the holding mechanism includes:
the outer surface of the piston cylinder (25) is fixedly connected with the end part of the sleeve rod (12), the inner side of the piston cylinder (25) is connected with a piston head (26) in a sliding mode, the side face of the piston head (26) is fixedly connected with a piston rod (27), the outer surface of the piston cylinder (25) is provided with a sliding opening through which the piston rod (27) penetrates and is connected with the piston rod in a sliding mode, and the end part of the piston rod (27) is fixedly connected with the inner wall of the sleeve (11);
a first pipeline (28) and a second pipeline (29) are fixedly communicated with the outer surface of the piston cylinder (25), one-way valves (40) are respectively installed inside the first pipeline (28) and the second pipeline (29), connecting grooves for the first pipeline (28) and the second pipeline (29) to penetrate through are respectively formed inside the loop bar (12), a sucking disc (30) is fixedly connected to the end portion of the loop bar (12), and the end portions of the first pipeline (28) and the second pipeline (29) are communicated with the sucking disc (30);
an avoidance assembly is also included.
7. The positioning and supporting device for machining the thin-wall shell type part according to claim 6, wherein the positioning and supporting device comprises: the avoidance assembly comprises:
two electric telescopic handle two (31), the outer shell of electric telescopic handle two (31) pass through the support with the upper surface department fixed connection of plate body (1), the pars contractilis fixedly connected with movable plate (32) of electric telescopic handle two (31), movable plate (32) orientation one side of threaded rod (9) is used for sucking disc (30).
8. The positioning and supporting device for machining the thin-wall shell type part according to claim 1, characterized in that: the utility model discloses a plate body, including plate body (1), the outer surface department fixedly connected with casing (33) of plate body (1), the outer surface department of casing (33) has seted up opening three, casing (33) pass through three sliding connection in opening have slide bar (34), the both ends difference fixedly connected with of slide bar (34) limits piece (35) and setting element (36), the inside fixed mounting of setting element (36) has magnet, the inside fixed mounting of ring body (2) has the electro-magnet.
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| CN202211329324.0A CN115592434B (en) | 2022-10-27 | 2022-10-27 | Positioning and supporting device for machining thin-wall shell parts |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116276215A (en) * | 2023-05-22 | 2023-06-23 | 苏州优贝特医疗器械有限公司 | Quick mechanical transmission four-jaw synchronous clamp capable of self-adapting non-flat workpiece |
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| CN112846851A (en) * | 2021-01-04 | 2021-05-28 | 张晓民 | Machining and positioning method for anti-deformation thin-wall pipe fitting |
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| CN110497216A (en) * | 2019-08-24 | 2019-11-26 | 大连理工大学 | Synchronization self-locking type pneumatic Self adapting fixture for annular thin wall part processing |
| CN210588272U (en) * | 2019-10-10 | 2020-05-22 | 龙超韩 | Positioning and clamping device for thin-wall cylinder processing |
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| CN115592434B (en) | 2023-06-06 |
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