CN217990802U - Rapid forming equipment for aero-engine coil spring parts - Google Patents

Abstract

The utility model discloses an aeroengine wind spring part rapid prototyping is equipped, including the workstation, install the locking device that can initiatively rotate on the workstation, the plug lower extreme inserts locking device, locking device includes a plurality of compact heap that sets up around locking device rotation center, a plurality of compact heaps can move simultaneously and will insert the lower extreme of the plug of a plurality of compact heap inboard and hold tightly and fix, the upper end of plug is seted up the clamp groove of pegging graft with panel, install the guide module that can horizontal migration on the workstation, the sunken curved shaping face that is formed on the guide module, in the process of panel shaping for the wind spring, panel atress bending back can offset with the shaping face and slide along the shaping face and gradually deform; therefore, the production efficiency and the yield of the coil spring are improved through the quick replacement of the core rod and the control of the pitch of the coil spring.

Description

Rapid forming equipment for aero-engine coil spring parts

Technical Field

The utility model relates to an aeroengine field especially relates to an aeroengine wind spring part rapid prototyping is equipped.

Background

The coil spring is used as a part used by mechanical power, continuously provides larger restoring force for each part in a narrow space of an aeroengine, and also adds balancing force for each part, each part needs to work in a complex environment of high temperature, high pressure and high rotating speed, and each part has harsh requirements on durability; due to the characteristics of complex specification, multiple varieties, small batch, special materials and the like of the coil spring, the part manufacturing process is complex, the manufacturing is difficult, and the parameters of each part can be finally determined only by manually correcting the coil spring by a bench worker after the coil spring is formed; meanwhile, due to the particularity of the material, the scrappage rate is high due to frequent breakage caused by unbalance between the speed and the force applied by molding in the manufacturing process.

Patent document CN206702138U discloses a large contact type flat spiral spring forming machine, which comprises an equipment bracket, a front baffle group and a rear baffle group mounted on the equipment bracket, and a coil spring mandrel rotating around the axis. The spring coiling mandrel is provided with a front end and a rear end which extend integrally, the front end of the spring coiling mandrel penetrates out of the outer side of the front baffle plate group, and the rear end of the spring coiling mandrel is transversely arranged between the front baffle plate group and the rear baffle plate group. The rear baffle plate group can movably abut against the rear end of the coil spring mandrel. The inner side of the front baffle plate group is provided with a hanging shaft, and the hanging shaft is separated from the coil spring mandrel and extends towards the rear baffle plate group. The coil spring mandrel is used for fixing an inner hook of the spring in the forming process, and the hanging shaft is used for fixing an outer hook of the spring after forming.

The prior art has the following problems that 1) the coil spring completes the replacement and positioning of the mandrel for a long time before production due to the characteristics of complex specification, multiple varieties, small batch, special materials and the like of the coil spring; 2) Because the spring coiling part used in the aero-engine is difficult to control accurately by manpower due to the particularity of the material, the inner ring of the spring coiling can not clamp the periphery of the mandrel in the spring coiling forming process, so that the quality of the spring coiling is not controlled, manual modification is needed in the later period, excessive force is applied to a workpiece in the forming process, the material is easy to break, and the product is scrapped; if the applied force is too small, the thread pitch of the coil spring is increased, the later use requirement cannot be met, the prior art cannot meet the force control in the coil spring forming process, the part needs to be placed into a special die for correction in the later period through manual intervention, the process is still used in part of occasions at present, and the characteristics of high rejection rate and unstable output of processed products exist.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that coil spring processing preparation time is longer and coil spring pitch is difficult to control among the prior art, the utility model aims to provide an aeroengine coil spring part rapid prototyping is equipped, promotes the efficiency of plug dismouting location through locking device, slides through the guide module that electric machine control and panel offset, makes panel receive a reverse effort, makes the interior part hoop of coil spring on the plug.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an aeroengine wind spring part rapid prototyping is equipped, comprises a workbench, install on the workstation and can initiatively rotate locking device, the plug lower extreme inserts locking device, locking device includes a plurality of compact heap that set up around locking device rotation center, a plurality of compact heaps can simultaneous movement will insert the lower extreme of the inboard plug of a plurality of compact heaps and hold tightly and fixed, the double-layered groove of pegging graft with panel is seted up to the upper end of plug, install on the workstation and can horizontal migration's guide module, the last sunken curved shaping face that is formed with of guide module, at the in-process that the panel shaping is the wind spring, can offset and slide along the shaping face and deform gradually with the shaping face after the panel atress is crooked, the expansion angle of shaping face is not less than 30. So, accomplish quick location and the change of plug through locking device, make plug and locking device tight fit to at the in-process that the panel shaping is the coil spring, panel can offset and slide along the shaping face with the shaping face of guide module, make guide module interval direction and plastic, and because panel and guide module relative slip, make the guide module provide an effort rather than the direction of motion opposite for panel, and then make the inside portion of coil spring tighten up gradually until cramping on the plug, and then improved the control to coil spring pitch.

Preferably, the locking device further comprises a first servo motor and a second servo motor, the first servo motor is connected with the locking device and drives the locking device to rotate, and the second servo motor is connected with the guide module and drives the guide module to slide. So, can carry out accurate control according to each spare part of the specification control of the rebound coefficient of different materials and material through controlling first servo motor and second servo motor, can be fast, accurate must realize among the aeroengine coil spring part's one shot automatic molding processing.

Preferably, the locking device further comprises a locking disc and a plurality of pin shafts, the locking disc is horizontally rotatably installed on the workbench, the first servo motor is connected with the locking disc, the central position of the locking disc is recessed downwards to form an accommodating space, the plurality of pressing blocks and the plurality of pin shafts are arranged around the accommodating space, the plurality of pressing blocks correspond to the plurality of pin shafts one to one, one ends of the pressing blocks are rotatably connected with the locking disc, and the pin shafts are slidably connected with the locking disc and can drive the other ends of the pressing blocks to swing towards the inside or outside of the accommodating space. The installation process of the core rod is simplified, the locking device tightly holds the core rod inserted into the accommodating space by driving the plurality of pressing blocks, the core rod and the locking disc are automatically centered, and therefore the core rod is quickly replaced and automatically centered.

Preferably, the pin shaft slides around the accommodating space, one end of the pressing block, which is connected with the locking disc, is a connecting end, the other end of the pressing block is a pressing end, and the thickness of the pressing block is gradually increased from the connecting end to the pressing end. By the arrangement, the motion tracks of all the components are more regular, and the positioning and manufacturing difficulty of all the components is reduced.

Preferably, the pin shaft is a magnetic pin, and the pressing block is made of metal. By the arrangement, a component for resetting the pressing block does not need to be additionally arranged, so that the structure of the device is simpler and more reliable.

Preferably, a sliding block capable of sliding in the left-right direction is mounted on the workbench, a first mounting seat capable of sliding in the front-back direction is mounted on the sliding block, the guide module is mounted on the first mounting seat, the second servo motor is connected with the sliding block, a second hand wheel used for driving the first mounting seat is mounted on the sliding block, and the unfolding angle of the forming surface is not larger than 90 degrees. Thus, the up-to-and-mounting difficulty of each component is reduced.

Preferably, the sliding block is in threaded connection with a first screw rod, and the first screw rod is connected with a second servo motor; a second screw rod is installed on the sliding block, the second screw rod is in threaded connection with the first installation base, and a second hand wheel is installed on the second screw rod.

Preferably, at least one side surface of the guide module is in smooth transition with the forming surface. Therefore, the phenomenon that the bending angle of the plate is too large and stress fracture occurs is avoided.

Preferably, the equipment further comprises a first roller group and a second roller group which are arranged on the workbench and used for flattening the plate, the first roller group and the second roller group are arranged oppositely, and one end of the plate can be inserted into the clamping groove of the core rod after penetrating through the first roller group and the second roller group. Thus, the sheet is flattened during bending of the sheet, so that the forming process of the coil spring is more stable.

Preferably, the equipment further comprises a feeding device for pushing the plate, a cutting device for separating the coil spring from the plate, and a discharging device for taking out the coil spring. Thus, the automation degree of the equipment is improved

The utility model discloses owing to adopt above-mentioned technical scheme: the core rod replacement and centering positioning can be quickly completed, in the process of forming the plate into the coil spring, the control of guiding and force application is performed on the forming of the coil spring, the part is accurately wound by continuously correcting in the forming process, the inner side part of the coil spring can be tightly hooped on the core rod, the automatic forming processing of the coil spring part in the aero-engine can be quickly and accurately realized, and the production efficiency and the yield of the coil spring are improved.

Drawings

FIG. 1 is a schematic structural diagram of the rapid forming equipment for coil spring parts of a medium aeroengine of the present invention (before coil spring forming);

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic structural diagram of the rapid forming equipment for the coil spring parts of the aero-engine of the present invention (after the coil spring is formed);

FIG. 4 is an enlarged view of FIG. 3 at B;

FIG. 5 is a schematic view of a pitch shaper;

FIG. 6 is a schematic view of another angle of the pitch shaper;

FIG. 7 is a schematic structural diagram of a slider, a first mounting seat, a guide module and a first roller set;

FIG. 8 is a schematic view of the locking device;

FIG. 9 is a schematic view of the locking device;

FIG. 10 is a schematic view of the structure of the locking disk;

FIG. 11 is a schematic view of a locking disk at another angle;

FIG. 12 is a schematic view of the structure of the mandrel;

FIG. 13 is a schematic structural view of a compact;

FIG. 14 is a schematic structural view of the adjustment seat;

fig. 15 is a schematic structural diagram of a guide module.

Reference numerals: 1. a work table; 2. a locking device; 21. an adjusting seat; 211. a cavity; 212. a second opening; 22. a worm; 221. an end cap; 23. a worm gear; 24. a locking disc; 241. an accommodating space; 242. an avoidance groove; 243. a limiting hole; 244. a connecting portion; 245. an installation part; 25. a pin shaft; 26. a compression block; 261. a connecting end; 262. a compression end; 27. a gland; 271. a peephole; 28. a first hand wheel; 3. a pitch shaping device; 31. mounting a plate; 311. a sliding track; 32. a second servo motor; 321. a first lead screw; 33. a slider; 331. a threaded hole; 332. a first sliding block; 333. a sliding groove; 334. a drive slot; 335. a second lead screw; 336. a second hand wheel; 34. a first mounting seat; 341. a drive plate; 342. a support plate; 3421. a limiting port; 343. a limiting plate; 35. a first roller train; 36. a guide module; 361. a forming end; 3611. molding surface; 37. a second mounting seat; 38. a second roller set; 4. a controller; 5. a core rod; 51. a clamping groove; 52. a winding end; 53. a limiting end; 54. a fixed end; 6. a plate material; 7. a coil spring.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following embodiments take fig. 1 as a reference for the orientation, the workbench in fig. 1 is horizontally arranged, the side where the mandrel is located is 'left', the side where the servo motor is located is 'right', and the side where the second roller group is located is 'front'.

Examples

As shown in fig. 1-4 and fig. 9, the rapid forming device for a coil spring part of an aircraft engine comprises a workbench 1, wherein a locking device 2 capable of actively rotating is installed on the workbench 1, the lower end of a core rod 5 is inserted into the locking device 2, the locking device 2 comprises a plurality of pressing blocks arranged around the rotation center of the locking device 2, the pressing blocks 26 can move simultaneously to clamp and fix the lower end of the core rod 5 inserted into the inner sides of the pressing blocks 26, the upper end of the core rod 5 is provided with a clamping groove 51 inserted into a plate, a guide module 36 capable of horizontally moving is installed on the workbench 1, an arc-shaped forming surface 3611 is formed on the guide module 36 in a concave manner, in the process of forming the plate into the coil spring, the plate can abut against the forming surface 3611 and slide along the forming surface 3611 to gradually deform, and the angle of the forming surface is { 30-90 degrees }. Therefore, the core rod is quickly positioned and replaced through the locking device, the core rod is tightly matched with the locking device, in the process of forming the plate into the coil spring, one end of the plate is inserted into the clamping groove of the core rod, the core rod rotates by 90 degrees in advance to pre-bend the plate, then the guide module at one end enables the forming surface of the guide module to be abutted against the bent part of the plate, then the core rod actively rotates to drive the plate to be bent, the left and right positions of the guide module are adjusted, the guide module is far away from the core rod, and the plate is further wound on the core rod to form the coil spring; in the process of forming the coil spring, the coil spring always abuts against a forming surface, the coil spring slides along the arc-shaped forming surface on the guide module and deforms, the guide module has a guiding effect, and the coil spring 7 is subjected to two opposite acting forces from the core rod 5 and the guide module 36 respectively, so that the inner part of the coil spring 7 is gradually tightened, the control on the pitch of the coil spring is further improved, the one-step automatic forming processing of coil spring parts in an aero-engine can be quickly and accurately realized, and the production efficiency and the yield of the coil spring are improved.

In order to facilitate the integral installation of the equipment, as shown in fig. 1 and 3, the equipment for rapidly forming coil spring parts of an aero-engine further comprises a pitch shaping device 3, the pitch shaping device 3 comprises a first roller set 35, a second roller set 38, a second servo motor 32 and the guide module 36, the first roller set 35 and the second roller set 38 are arranged oppositely and used for flattening the plate, the first roller set 35 is located behind the second roller set 38, and the first roller set 35 and the second roller set 38 are located on the right side of the locking device 2. The pitch shaping device 3 further comprises a mounting plate 31, the first roller set 35, the second servo motor 32 and the guide module 36 are all mounted on the mounting plate 31, the mounting plate 31 is fixed on the workbench 1, a plurality of rollers in the second roller set 38 are rotatably mounted on a second mounting seat 37, the second mounting seat 37 is fixed on the workbench 1, and the second mounting seat 37 is located in front of the mounting plate 31. So, each portion in this equipment can assemble respectively the back and install on the workstation, and the preparation shaping of the equipment of being convenient for reduces the cost of equipment, and the maintenance in the later stage of being convenient for to can be through the continuous power of adjusting guide module and applying on panel of second servo motor, improve the yields and the fashioned stability of part, reduce artificial intervention rate, promote production efficiency.

As shown in fig. 5-7, in this embodiment, the pitch shaping device 3 further includes two sliding tracks 311 extending in the left-right direction, the two sliding tracks 311 are both fixed on the mounting plate 31, the two sliding tracks 311 are arranged in the front-back direction, and the two sliding tracks 311 are both slidably mounted with first sliding blocks 332, the two sliding blocks 332 are both fixed on the bottom of the sliding block 33, the second servo motor 32 is mounted on the mounting plate 31, the second servo motor 32 is located on the right side of the sliding tracks 311, the output end of the second servo motor 32 is mounted with a first screw rod 321, the first screw rod 321 is in threaded connection with a threaded hole 331 formed in the sliding block 33, so that the moving distance of the sliding block can be accurately controlled by starting the second servo motor 32 to drive the screw rod to rotate; the top of the sliding block 33 is provided with two sliding grooves 333 extending in the front-back direction, the two sliding grooves 333 are arranged in the left and right directions, second sliding blocks are respectively installed in the two sliding grooves 333 in a sliding manner, the two second sliding blocks are both fixedly connected with the bottom of the first installation seat 34, the top of the sliding block 33 is provided with a driving groove 334, the driving groove 334 is located between the two sliding grooves 333, the rear side of the first installation seat 34 is fixedly provided with a driving plate 341, the bottom of the driving plate 341 extends downwards into the driving groove 334, the sliding block 33 is rotatably provided with a second lead screw 335, the second lead screw 335 penetrates through the driving groove 334, the second lead screw 335 penetrates through the driving plate 341 in the front-back direction and is in threaded connection with the driving plate 341, the rear end of the second lead screw 335 is provided with a second wheel 336 for driving the second lead screw 335 to rotate, the guide module 36 is detachably provided with the left end of the first installation seat 34, the wheels in the first roller group 35 are respectively rotatably installed at the front end of the first installation seat 34 through roller shafts, and the first roller group is located on the right side of the guide module 36; so can accurate control through the lead screw lead the removal of module to can first roller train can follow the guide module motion, make the clearance between first roller train and the second roller train adjustable on the one hand, the panel shaping of the different specifications of being convenient for, on the other hand can simplify pitch shaping device's structure.

In other embodiments, the second servo motor 32 and the sliding block 33 can be connected through a meshed gear rack, so that the sliding block is driven to move by the second servo motor; the rear end of the second screw rod can also be connected with a motor, and the motor drives the second screw rod to rotate.

As shown in fig. 1 and 3, in this embodiment, a controller 40 is further installed on the work table 10, the plate is pre-bent through the mandrel 50, then the guide module 306 installed on the slide block 303 adjusts the forming surface 03611 of the guide module 306 to be attached to the bent portion of the plate by manually rotating the second lead screw 3035, and simultaneously the first roller group 305 and the second roller group 308 are adjusted to be attached to the surface of the plate, after the servo motor 302 receives the positioning parameters transmitted from the digital controller 40, the servo motor 302 drives the first lead screw 0321 to drive the slide block 304 to be away from the mandrel 50 and adjust in real time according to the rebounding coefficient of the plate, thereby ensuring the forming effect of the coil spring.

As shown in fig. 2, 4 and 5, in order to improve the yield of the coil spring, it is necessary to prevent the sheet material 6 from longitudinally jumping during the forming process, in this embodiment, a roller on the left side of the first roller group 35 has a flange, a limiting plate 343 is fixedly mounted at the front end of the first mounting seat 34, and the limiting plate 343 is located below the flange of the roller; in the forming process of the coil spring 7, the plate 6 penetrates through the gap between the roller flange and the limiting plate 343, wherein the front end and the rear end of the plate 6 are respectively abutted against the rollers in the first roller set 35 and the rollers in the second roller set 38, the first roller set 35 and the second roller set 38 flatten the plate 6, and the upper end and the lower end of the plate 6 are positioned between the roller flange and the limiting plate to prevent the coil spring from being unqualified after forming due to radial runout of the plate and needing manual correction. Further preferably, the rollers of the first roller set 35 each having a flange are slidable in the vertical direction along the roller shaft. Thus, the specification of the coil spring which can be produced by the device is expanded, and the applicability of the equipment is provided.

In other embodiments, the rollers in the first roller set each have a flange, and the rollers in the first roller set each slide along a roller axis.

To provide the adaptability of the apparatus, as shown in figures 2, 4, 5 and 6, in this embodiment the guide modules 36 are removably mounted on the first mounting block 34, which enables the replacement of different guide modules with more different required coil springs. Further preferably, the supporting plate 342 is fixedly mounted at the left end of the first mounting seat 34 by a fastener, the bottom of the front end of the supporting plate 342 is provided with a limit opening 3421, the rear end of the guide module 36 is matched with the limit opening 3421 of the supporting plate 342, and the guide module 36 is fixed on the supporting plate 342 by the fastener. Thus, the mounting efficiency of the guide module and the accuracy of the mounting position are improved.

As shown in fig. 2, 4 and 15, in order to ensure the pitch of the coil spring, in this embodiment, the plate 6 can abut against the front end of the guide module 36 after being bent by a force, one end of the guide module 36 abutting against the plate 6 is a forming end 361, a left side portion of the forming end 361 near the core rod 5 is recessed to form a forming surface 3611, and the forming surface 3611 is smoothly transited to a right side portion of the forming end 361; therefore, the manufacturing of the guide module is facilitated, the pitch precision of the coil spring is improved, and the forming process of the coil spring is smooth.

In other embodiments, the maximum spreading angle of the forming surface is more than 90 °, in other embodiments, the mandrel may be located inside the forming surface, and during the forming process of the coil spring, the relative position of the mandrel and the forming surface is continuously adjusted by the servo motor, so that the coil spring is gradually formed inside the arc-shaped forming surface. However, this increases the difficulty of controlling the equipment and places high demands on the precision of each component of the equipment.

As shown in fig. 8 and 9, in this embodiment, the locking device 2 includes a locking disk 24, a plurality of pins 25, and a plurality of pressing blocks 26, the locking disk 24 is horizontally and rotatably mounted on the workbench 1, the locking disk 24 is connected to a first servo motor mounted on the workbench 4, the plurality of pressing blocks 26 and the plurality of pins 25 are disposed around a rotation center of the locking disk 24, the plurality of pressing blocks 26 correspond to the plurality of pins 25 one to one, an inside of the plurality of pressing blocks 26 is an accommodating space 341 for inserting the core rod 5, one end of the pressing block 26 is rotatably connected to the locking disk 24, and the pins 25 are slidably connected to the locking disk 24 and can drive the pressing blocks 26 to rotate.

In the preferred embodiment, as shown in fig. 9 and 13, one end of the pressing block 26 connected to the locking disk 24 is a connecting end 261, the other end of the pressing block 26 is a pressing end 262, the thickness of the pressing block 26 gradually increases from the connecting end 261 to the pressing end 262, the pin 25 slides around the rotation center of the locking disk 24, and the pin 25 is located outside the connecting end 261 on the pressing block 26 and abuts against the pressing block 26. Therefore, the movement tracks of the pin shaft and the pressing block are simplified, and positioning, manufacturing and installation of each part are facilitated.

In other embodiments, the movement locus of the pin shaft is different from that in the embodiment, in other embodiments, the pin shaft slides in the accommodating space in the axial direction, so that the pressing block is pushed, the pressing block rotates around the joint of the pressing block and the locking disc, the pressing end of the pressing block swings towards the accommodating space, and the core rod is held tightly.

As shown in fig. 8-13, in the present embodiment, preferably, the locking disk 24 is fixed on the adjusting seat 21, the adjusting seat 21 is rotatably installed on the worktable 1 and connected to the first servo motor, the connecting portion 244 protrudes from the bottom of the locking disk 24, the connecting portion 244 is inserted into the middle hole of the worm wheel, the connecting portion 244 horizontally and rotatably installs the worm wheel 23 at the bottom of the locking disk 24 through a bearing, the worm wheel 23 is in meshing transmission with the worm 22 rotatably installed on the adjusting seat 21, the locking disk 24 is provided with a plurality of limiting holes 243 around the rotation center of the locking disk 24, the plurality of limiting holes 243 are in one-to-one correspondence with the plurality of pin shafts 25, the pin shafts 25 pass through the limiting holes 243, the pin shafts 25 are in sliding fit with the limiting holes 243, and the bottom of the pin shafts 25 is fixedly connected to the worm wheel 23. So, the worm gear has the effect of auto-lock, can hold the dabber tightly and lock. Further, a first hand wheel 28 is mounted at one end of the worm 22. In other embodiments, the worm may be driven by a motor.

In this embodiment, as shown in fig. 8 to 13, the central position of the locking disk 24 is recessed downward to form an accommodating space 241, a plurality of avoiding grooves 242 arranged around the accommodating space 241 are arranged on the top of the locking disk 24, the plurality of avoiding grooves 242 are all communicated with the accommodating space 241, the plurality of avoiding grooves 242 correspond to the plurality of limiting holes 243 one by one, the upper end of the pin shaft 25 passes through the limiting holes 243 and is inserted into the avoiding groove 32, the part of the locking disk 24 located between the limiting holes 243 and the accommodating space 241 is a limiting part, the connecting end 261 of the pressing block 26 is rotatably connected with the top end of the limiting part of the locking disk 24, an annular mounting part is protruded on the top of the locking disk 24, the mounting part 245 is pressed on the adjusting seat and can be fixedly connected through a fastening member, a pressing cover 27 is fixed on the top of the mounting part 245, the pressing cover 27 is located above the avoiding grooves 242, the plurality of pressing plates 26 and the plurality of pin shafts 25, and a through hole is formed in the pressing cover 27, which the lower end of the core rod 5 can be inserted into the accommodating space 241. So set up, all install round pin axle and compact heap in the locking dish through the gland, make plug locking device's outward appearance more succinct, make round pin axle and compact heap have stable operational environment, improve the life of device, keep device's locking effect.

In this embodiment, as shown in fig. 8, the pressing cover 27 is further provided with a peephole 271 corresponding to the plurality of limiting holes 243, and the pin extends upward into the peephole 271. So set up, the shift position of observing round pin axle that can be clear avoids transition to adjust the damage that causes the device. Further, the limiting hole 243 and the peep hole 271 are both waist-shaped holes. Therefore, the moving track of the pin shaft can be limited, the acting force of the pin shaft is given from the side surface, and the situation that the pin shaft is separated from the worm due to overlarge stress of the pin shaft is avoided.

In this embodiment, as shown in fig. 14, the inner side of the adjusting seat 21 has a cavity 211, the top of the adjusting seat 21 has a first opening communicated with the cavity 211, and the side of the adjusting seat 21 is provided with a second opening 212 communicated with the cavity 211, as shown in fig. 8 and 9, one end of the worm 22 is inserted into the adjusting seat 21 through the second opening and is rotatably connected with the adjusting seat 21 through the end cover, the locking disc 24 has a limiting protrusion, the bottom of the locking disc 24 is inserted into the cavity 211 of the adjusting seat 21 through the first opening, the worm wheel 23 rotatably mounted at the bottom of the locking disc 24 is engaged with the worm 22 rotatably mounted on the adjusting seat 21, and the limiting protrusion of the locking disc is pressed on the adjusting seat 21. Therefore, a relatively closed environment is provided for the movement of the core rod locking device, and the service life and the precision of the device are improved.

In this embodiment, as shown in fig. 9 and 13, the pressing block is arc-shaped, and at least one half section of the pressing block has a thickness greater than the thickness of the wall of the positioning portion on the locking disk 24. By the arrangement, the applicability and the holding stability of the mandrel locking device are improved.

In this embodiment, round pin axle 25 is the magnetism round pin, and the material of compact heap 26 is the metal, and the lateral surface of compact heap 26 adsorbs on round pin axle 25, and round pin axle 25 removes and can slide and drive the swing of compact heap 26 at the lateral surface of compact heap 26. So set up, compact heap and round pin axle adsorb each other for the compact heap is laminated with the round pin axle all the time, and makes the compact heap follow the round pin axle and remove, promotes the change efficiency of plug. In other embodiments, a return spring is arranged between the pressing block and the locking disc, so that the pressing block is automatically reset.

In this embodiment, as shown in fig. 8 to 12, the upper end of the core rod 5 is a winding end 52, the lower end of the core rod 5 is a fixed end 54, the middle position of the core rod 5 protrudes outward to form a limiting end 53, the clamping groove 51 is disposed on the side surface of the winding end 52, the fixed end 54 is inserted into the accommodating space 241 and is held and fixed by the pressing block 26, and the limiting end 53 is pressed on the pressing cover 27 to limit the depth of the core rod 5 inserted into the locking device 2.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.

Claims (10)

1. The utility model provides an aeroengine coil spring part rapid prototyping is equipped, includes workstation (1), its characterized in that: install on workstation (1) and can initiatively pivoted locking device (2), plug (5) lower extreme inserts locking device (2), locking device (2) include a plurality of compact heap that set up around locking device (2) rotation center, a plurality of compact heap (26) can simultaneous movement will insert the lower extreme of plug (5) of a plurality of compact heap (26) inboard and hold tightly and fix, the upper end of plug (5) is seted up can be connected the clamp groove (51) of coil spring inboard portion, install guide module (36) that can remove in left and right directions and fore-and-aft direction on workstation (1), guide module (36) are used for controlling the pitch of coil spring, be equipped with curved profiled surface (3611) on guide module (36), curved profiled surface (3611) can offset and relative slip with the outside part of coil spring.

2. The rapid prototyping equipment of an aircraft engine coil spring part as set forth in claim 1 wherein: the locking device further comprises a first servo motor and a second servo motor (32), the first servo motor is connected with the locking device (2) and drives the locking device (2) to rotate, and the second servo motor (32) is connected with the guide module (36) and drives the guide module (36) to slide.

3. The rapid prototyping equipment of aero-engine coil spring parts as set forth in claim 2, wherein: locking device (2) still include locking dish (24) and a plurality of round pin axle (25), locking dish (24) horizontal rotation is installed on workstation (1), a servo motor links to each other with locking dish (24), locking dish (24) central point puts and is equipped with accommodation space (241), a plurality of compact heap (26) and a plurality of round pin axle (25) set up around accommodation space (241), a plurality of compact heap (26) and a plurality of round pin axle (25) one-to-one, the one end and the locking dish (24) of compact heap (26) rotate to be connected, thereby round pin axle (25) and locking dish (24) sliding connection and the other end swing business turn over accommodation space (241) that can drive compact heap (26).

4. The rapid prototyping equipment of aero-engine coil spring parts as set forth in claim 3, wherein: the pin shaft (25) slides around the accommodating space (241), one end of the pressing block (26) connected with the locking disc (24) is a connecting end (261), the other end of the pressing block (26) is a pressing end (262), and the thickness of the pressing block (26) is gradually increased from the connecting end (261) to the pressing end (262).

5. The rapid prototyping equipment of an aircraft engine coil spring part as set forth in claim 3 wherein: the pin shaft (25) is a magnetic pin, and the pressing block (26) is made of metal.

6. The rapid prototyping equipment of aero-engine coil spring parts as set forth in claim 2, wherein: install on workstation (1) and to follow gliding slider (33) of left and right directions, install on slider (33) and to follow gliding first mount pad (34) of fore-and-aft direction, lead module (36) and install on first mount pad (34), the second servo motor links to each other with slider (33), installs second hand wheel (336) that are used for driving first mount pad (34) on slider (33).

7. The rapid prototyping equipment of aero-engine coil spring parts as set forth in claim 6, wherein: a first screw rod (321) is connected to the sliding block (33) in a threaded manner, and the first screw rod (321) is connected with a second servo motor (32); a second screw rod (335) is installed on the sliding block (33), the second screw rod (335) is in threaded connection with the first installation base (34), and a second hand wheel (336) is installed on the second screw rod (335).

8. The rapid prototyping equipment of an aircraft engine coil spring part as set forth in claim 1 wherein: at least one side surface of the guide module (36) is in smooth transition with the forming surface (3611).

9. The rapid prototyping equipment of an aircraft engine coil spring part as set forth in claim 1 wherein: the device further comprises a first roller group (35) and a second roller group (38) which are arranged on the workbench (1) and used for flattening the plate, the first roller group (35) and the second roller group (38) are arranged oppositely, and one end of the plate can be inserted into a clamping groove (51) of the mandril (5) after penetrating through the first roller group (35) and the second roller group (38).

10. The rapid prototyping equipment of an aircraft engine coil spring part as set forth in claim 1 wherein: the equipment also comprises a feeding device for pushing the plate, a cutting device for separating the coil spring from the plate and a discharging device for taking out the coil spring.

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