CN219005477U - Novel processing of engine piston oval cross-section device - Google Patents
Novel processing of engine piston oval cross-section device Download PDFInfo
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- CN219005477U CN219005477U CN202221124644.8U CN202221124644U CN219005477U CN 219005477 U CN219005477 U CN 219005477U CN 202221124644 U CN202221124644 U CN 202221124644U CN 219005477 U CN219005477 U CN 219005477U
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Abstract
The novel engine piston elliptical cross section machining device comprises a machining platform, a tool clamp mechanism, a surrounding machining mechanism component and a high-temperature simulation device, wherein the tool clamp mechanism is arranged at the center of the machining platform, a circular track is further arranged on the machining platform, the circular track takes the tool clamp mechanism as the center of a circle, a sliding mechanism is arranged at the bottom of the surrounding machining mechanism component, and the surrounding machining mechanism component is slidably arranged in the circular track through the sliding mechanism; the processing platform is further provided with a supporting frame, the high-temperature simulation device is arranged at the top of the supporting frame, and the supporting frame is further provided with a lifting device. The utility model has convenient operation, can be suitable for pistons with different materials and different models, does not need to design complex processing curves, has quicker and more accurate processing and extremely high simulation reduction degree.
Description
Technical Field
The utility model relates to the technical field of engine part machining and manufacturing, in particular to a novel engine piston elliptical cross section machining device and technology.
Background
The piston is one of the important parts of the engine, while the piston skirt takes on the overall guiding and heat transfer and bears a series of important functions such as thrust from the crank mechanism. When the engine is in operation, the piston skirt will be subjected to significant mechanical and thermal loads, deforming the piston skirt. However, deformation of the piston skirt may cause an adverse contact state between the skirt and the cylinder liner, and only the upper and lower edges of the skirt are in contact with the cylinder wall, which may easily deteriorate the lubrication state, and the skirt may be severely worn, even a cylinder-pulling phenomenon may occur.
In order to counteract the thermal deformation of the piston when the engine works, the piston is made into a proper shape in a natural state, so that the existing pistons are designed into complex space curved surfaces with a middle convex longitudinal section and an elliptic cross section, and the elliptic cross sections are gradually changed at different skirt heights, namely middle convex elliptic curves. In order to process the convex elliptic curve, a special numerical control lathe and a special fixture are adopted, different processing curves are designed for piston skirt parts of different materials and different types, and the calculation formula of the curve is not necessarily completely accurate, so that a piston skirt part processing tool and a piston skirt part processing method with strong adaptability and more convenience and accuracy in processing are urgently needed in the market.
Disclosure of Invention
The utility model provides a simulated novel engine piston elliptical section processing device which is convenient to operate, can be suitable for pistons of different materials and different types, does not need to design complex processing curves, is quicker and more accurate in processing, and has extremely high reduction degree, and the defects of the existing piston skirt part processing and manufacturing technology are overcome.
The specific technical scheme is as follows:
the novel engine piston elliptical cross section machining device comprises a machining platform, a tool clamp mechanism, a surrounding machining mechanism component and a high-temperature simulation device, wherein the tool clamp mechanism is arranged at the center of the machining platform, a circular track is further arranged on the machining platform, the circular track takes the tool clamp mechanism as the center of a circle, a sliding mechanism is arranged at the bottom of the surrounding machining mechanism component, and the surrounding machining mechanism component is slidably arranged in the circular track through the sliding mechanism; the processing platform is further provided with a support frame, the high-temperature simulation device is arranged at the top of the support frame, the middle of the support frame is further provided with a lifting device, the lifting device is used for controlling the height of the top of the support frame, namely controlling the height of the high-temperature simulation device, the bottom of the processing platform is provided with a lifting driving mechanism, and the lifting driving mechanism is used for driving the tool clamp mechanism and the support frame to synchronously lift.
The realization principle is as follows: when the piston skirt is processed, the piston skirt is stably clamped through the tool clamp mechanism, a high-temperature working environment at one end of the piston skirt is simulated through the high-temperature simulation device, finally, the piston skirt is continuously and circularly slid in the circular track through the encircling processing mechanism component, the piston skirt is cut or polished at the same time, the lateral force generated during cutting or polishing accords with the stress of the piston crank during deflection, the environment stress condition of the piston skirt is completely simulated, the section curve of the piston skirt encircling the cutting or polishing is more beneficial to adapting to the actual working condition of the piston skirt, and meanwhile, the tool clamp mechanism and the supporting frame are driven to synchronously move up and down through the lifting driving mechanism, so that the relative positions among the tool clamp mechanism, the high-temperature simulation device and the piston parts are unchanged in the whole cutting and polishing process, and stable environment temperature and simulated piston working process are convenient to maintain.
As an optimization: the surrounding machining mechanism assembly comprises a mounting bracket, a telescopic device and a machining mechanism, wherein the mounting bracket comprises a vertical bracket and a horizontal cross arm, the sliding mechanism is arranged at the bottom of the vertical bracket, one end of the horizontal cross arm is arranged at the top end of the vertical bracket, and the telescopic device and the machining mechanism are arranged on the horizontal cross arm.
As an optimization: the telescopic device is provided with an electric push rod, the horizontal cross arm is divided into a fixed cross arm and a sliding cross arm, the electric push rod is installed on the fixed cross arm, the output end of the electric push rod is connected with the end part of the sliding cross arm, a slideway is arranged on the fixed cross arm, the bottom of the sliding cross arm is provided with a clamping slide block, the clamping slide block is in sliding fit with the slideway, and the cross section of the slideway and the cross section of the clamping slide block are in an inverted T shape.
As an optimization: the machining mechanism is arranged on the sliding cross arm and comprises a driving motor A, a transmission mechanism and a cutting tool rest, wherein the output end of the driving motor A is connected with the transmission mechanism, the output end of the transmission mechanism is connected with the cutting tool rest, and the cutting tool rest is used for installing a milling cutter or a grinding wheel knife.
As an optimization: the tool clamp mechanism comprises a three-jaw chuck, a sliding base and a clamping tool, wherein the clamping tool is clamped and installed in the three-jaw chuck, the output end of the high-temperature simulation device is arranged opposite to the clamping tool, the three-jaw chuck is arranged at the top of the sliding base, the sliding base slides up and down inside the processing platform, the supporting frame is fixedly connected with the bottom of the sliding base, namely, the supporting frame and the high-temperature simulation device can move up and down along with the synchronous sliding base, and the lifting driving mechanism comprises a driving motor B, a speed reducer and a driving screw B which are sequentially connected in a transmission mode.
As an optimization: the support frame is annular frame structure, the support frame divide into upper supporting frame and lower carriage, this upper supporting frame and lower carriage clearance fit the support frame lateral part is provided with elevating gear, elevating gear is including driving motor C, reduction gears and the transmission lead screw C that drive connection in proper order, driving motor C and reduction gears all set up on the lower carriage, upper supporting frame is connected to transmission lead screw C output.
As an optimization: the high-temperature simulation device is provided with a mounting shell, an elastic clamping device and a sliding mounting frame are arranged in the mounting shell, the elastic clamping device comprises an elastic clamping head, a driving thread disc and a thread disc driving rotating head, a spring is arranged in the elastic clamping head, the clamping end is in an arc shape, the elastic clamping head is used for mounting a metal rod at the clamping end, one end of the elastic clamping head is matched with the surface of the driving thread disc, and the other surface of the driving thread disc is matched and driven by the thread disc driving rotating head;
install induction heating coil on the sliding mounting frame, this induction heating coil encircles the metal bar sets up, the sliding end of sliding mounting frame is provided with spring mechanism, and this spring mechanism makes the sliding mounting frame natural state all upwards retract the slip of installation casing lateral part is provided with elasticity pull ring mechanism, this elasticity pull ring mechanism with the sliding mounting frame lateral part is connected.
As an optimization: the sliding mechanism comprises a driving motor D, a speed reduction differential mechanism, driving rollers and a track clamping sliding mechanism, wherein the output end of the driving motor D is connected with the speed reduction differential mechanism, two output ends of the speed reduction differential mechanism are respectively connected with the driving rollers, the driving rollers are arranged on the upper surface of the processing platform, the track clamping sliding mechanism is arranged in a circular track, the track clamping sliding mechanism is provided with a clamping bracket, the circular track and the section of the clamping bracket are in an inverted T shape, two sides of the clamping bracket are respectively provided with a driven roller, and the driven roller close to the clamp mechanism is smaller than the other driven roller.
The beneficial effects of the utility model are as follows: when the piston skirt is processed, the high-temperature working environment of the piston and the high-pressure mechanical stress condition of the end part are practically simulated, so that the cut and polished section curve of the piston skirt is more beneficial to adapting to the actual working condition of the piston skirt; the method of encircling cutting or polishing by taking the machined part as the center of a circle is more beneficial to reasonable arrangement of space, and the three-jaw chuck and the clamping tool are used for clamping and mounting the machined part, so that the automatic centering function is realized, and the fixed circular track can also achieve the aim of stabilizing the circumferential cutting; the fixture mechanism and the temperature simulation device are connected through the support frame, so that the fixture mechanism and the temperature simulation device can be subjected to synchronous up-and-down fine adjustment movement, different parts of the piston skirt can be cut on the premise of not changing the environment, and the accurate cutting requirement is achieved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic diagram of the overall cross-sectional structure a of the present utility model.
Fig. 3 is a schematic structural diagram at a in fig. 2.
Fig. 4 is a schematic structural view at B in fig. 2.
Fig. 5 is a schematic cross-sectional view of the telescopic device according to the present utility model.
Fig. 6 is a schematic diagram of an installation structure of the clamping tool in the present utility model.
Fig. 7 is a schematic cross-sectional structure of a clamping tool according to the present utility model.
Fig. 8 is a schematic diagram B of the overall cross-sectional structure of the present utility model.
Reference numerals illustrate: a processing platform 1; a tool clamp mechanism 2; surrounding the machining means assembly 3; a high-temperature simulation device 4; a slide mechanism 5; a lifting device 6; a telescoping device 7; a processing mechanism 8; a lifting driving mechanism 9; an infrared temperature sensor 10;
a circular ring-shaped track 11; a support frame 12;
a three-jaw chuck 21; a slide base 22; a clamping tool 23; a mounting bracket 31;
a mounting case 41; an elastic clamping head 42; driving the screw plate 43; a screw disc drive rotor 44; a slide mount 45; an induction heating coil 46; a spring mechanism 47; an elastic tab mechanism 48; an elastic pressure detecting mechanism 49;
a drive motor D51; a speed reduction differential mechanism 52; a driving roller 53; a rail clip sliding mechanism 54; a chucking bracket 55; a driven roller 56;
a drive motor C61; a speed reducing mechanism 62; a transmission screw C63; a closed synchronous slideway 64; a slide plate 65; a gas valve 66;
an electric push rod 71; a fixed cross arm 72; a sliding cross arm 73; a slide 74; a chucking slider 75;
a drive motor a81; a transmission 82; a cutting blade holder 83;
a drive motor B91; a decelerator 92; and a transmission screw rod B93.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Implementation example:
as shown in fig. 1 to 8: the utility model provides a novel oval cross-section of engine piston processingequipment, is provided with processing platform 1, frock clamp mechanism 2, encircles processing mechanism subassembly 3 and high temperature analogue means 4, and frock clamp mechanism 2 sets up in processing platform 1 central point put, still is provided with ring track 11 on processing platform 1, and this ring track 11 uses frock clamp mechanism 2 as the centre of a circle, is provided with slide mechanism 5 in encircleing processing mechanism subassembly 3 bottom, encircles processing mechanism subassembly 3 and passes through this slide mechanism 5 slidable mounting in ring track 11.
The processing platform 1 is also provided with a support frame 12, the high-temperature simulation device 4 is arranged at the top of the support frame 12, the middle part of the support frame 12 is also provided with a lifting device 6, and the lifting device 6 is used for controlling the height of the top of the support frame 12, namely controlling the height of the high-temperature simulation device 4.
The above-mentioned around processing agency subassembly 3 is provided with installing support 31, telescoping device 7 and processing agency 8, and installing support 31 is provided with vertical support and horizontal xarm, and slide mechanism 5 sets up in this vertical support bottom, and horizontal xarm one end sets up on this vertical support top, and telescoping device 7 and processing agency 8 all set up on this horizontal xarm.
The telescopic device 7 is provided with an electric push rod 71, the horizontal cross arm is divided into a fixed cross arm 72 and a sliding cross arm 73, the electric push rod 71 is arranged on the fixed cross arm 72, the output end of the electric push rod 71 is connected with the end part of the sliding cross arm 73, a slideway 74 is arranged on the fixed cross arm 72, a clamping sliding block 75 is arranged at the bottom of the sliding cross arm 73, the clamping sliding block 75 is in sliding fit with the slideway 74, and the cross sections of the slideway 74 and the clamping sliding block 75 are in inverted T shapes.
The processing mechanism 8 is arranged on the sliding cross arm 73, the processing mechanism 8 comprises a driving motor A81, a transmission mechanism 82 and a cutting tool rest 83, the output end of the driving motor A81 is connected with the transmission mechanism 82, the output end of the transmission mechanism 82 is connected with the cutting tool rest 83, and the cutting tool rest 83 is used for installing a milling cutter or a grinding wheel cutter.
The fixture mechanism 2 is provided with a three-jaw chuck 21, a sliding base 22 and a clamping fixture 23, the clamping fixture 23 is installed in the three-jaw chuck 21 in a clamping manner, the output end of the high-temperature simulation device 4 is opposite to the clamping fixture 23, the three-jaw chuck 21 is arranged at the top of the sliding base 22, the sliding base 22 slides up and down in the processing platform 1, the supporting frame 12 is fixedly connected with the bottom of the sliding base 22, namely, the supporting frame 12 and the high-temperature simulation device 4 can move up and down along with the sliding base 22 synchronously.
A lifting driving mechanism 9 is arranged at the bottom of the processing platform 1, and the lifting driving mechanism 9 is used for driving the tool clamp mechanism 2 and the supporting frame 12 to synchronously lift. The lifting driving mechanism 9 comprises a driving motor B91, a speed reducer 92 and a driving screw rod B93 which are sequentially connected in a transmission way, a threaded hole is formed in the bottom of the sliding base 22, the threaded hole is matched with the driving screw rod B93, and accordingly the lifting driving mechanism 9 drives the tool clamp mechanism 2 and the supporting frame 12 to move up and down synchronously, so that the relative positions among the tool clamp mechanism 2, the high-temperature simulation device 4 and the piston parts are unchanged in the whole cutting and grinding process, and stable environment temperature and a simulation piston working process are maintained conveniently.
The support frame 12 is of an annular frame structure, the support frame 12 is divided into an upper support frame and a lower support frame, the upper support frame is movably matched with the lower support frame, the upper support frame and the lower support frame form a square frame structure, the structure is more stable and is beneficial to adjusting the height of the support frame, lifting devices 6 are arranged at vertical positions of two lateral parts of the support frame 12, the lifting devices 6 are composed of a driving motor C61, a speed reducing mechanism 62 and a driving screw C63 which are sequentially connected in a transmission way, the driving motor C61 and the speed reducing mechanism 62 are arranged on the lower support frame, and the output end of the driving screw C63 is matched with the upper support frame; or be provided with elevating gear 6 in the vertical position of a lateral part of support frame 12, the vertical position of support frame on another lateral part of support frame 12 is provided with airtight type synchronous slide 64, set up the sliding plate 65 with airtight type synchronous slide 64 close fit at the lower carriage, still be provided with pneumatic valve 66 at airtight type synchronous slide 64 topmost, when elevating gear 6 does the lift adjustment work, open pneumatic valve 66, let airtight type synchronous slide 64 play synchronous lift fit's effect with sliding plate 65, close pneumatic valve 66 after finishing, rely on the atmospheric pressure in the airtight type synchronous slide 64 to play reasonable supporting role, avoid looking like this can not be synchronous completely with two elevating gear 6, and can cause the problem of card way occasionally.
The position sleeve that sets up elevating gear 6 at support frame 12 both sides portion is equipped with the protection casing, prevents that the processing piece from getting into to block elevating gear 6, is provided with infrared ray temperature sensor 10 simultaneously on the protection casing just to high temperature analogue means 4 and the position of taking the processing piston part, is convenient for monitor the temperature of simulation environment.
The high-temperature simulation device 4 is provided with a mounting shell 41, an elastic clamping device and a sliding mounting frame 45 are arranged in the mounting shell 41, the elastic clamping device comprises an elastic clamping head 42, a driving thread disc 43 and a thread disc driving rotary head 44, a spring is arranged in the elastic clamping head 42, the clamping end is arc-shaped, the elastic clamping head 42 is used for mounting a metal rod at the clamping end, one end part of the elastic clamping head 42 is matched with the surface of the driving thread disc 43, the other surface of the driving thread disc 43 is matched and driven by the thread disc driving rotary head 44, an elastic pressure detection mechanism 49 is arranged at the upper end of the metal rod, and the elastic structure of the elastic clamping head 42 not only keeps that the metal rod can be subjected to enough clamping force in a thermal expansion and contraction state but also can not fall down due to gravity; it is also ensured that when a large pressing force is applied to the lower end of the metal rod, the metal rod can move axially to transmit the pressure and the pressure is detected by the elastic pressure detecting mechanism 49.
The induction heating coil 46 is mounted on the sliding mounting frame 45, the induction heating coil 46 surrounds the metal rod, the sliding end of the sliding mounting frame 45 is provided with the spring mechanism 47, the spring mechanism 47 enables the sliding mounting frame 45 to retract upwards in a natural state, the side portion of the mounting frame 41 is slidably provided with the elastic pull ring mechanism 48, the elastic pull ring mechanism 48 is connected with the side portion of the sliding mounting frame 45, the induction heating coil 46 is pulled and moved to be aligned with the lower end of the metal rod through the elastic pull ring mechanism 48, the lower end of the metal rod is conveniently heated to the highest temperature, the induction heating coil 46 rebounds to be in situ under the action of the spring mechanism 47 after the metal rod is not heated, interference is not formed, the lower end of the metal rod is heated to the highest temperature in a process of being convenient for heat dissipation for a long time, the simulated ambient temperature is still in a standard reaching range, and in order to better ensure that the processing process is not disturbed by the outside too much, the problem of low yield is solved, the device is preferably placed in a closed environment to work, or a circle of closed cover is artificially added.
The sliding mechanism 5 is provided with a driving motor D51, a speed reduction differential mechanism 52, driving rollers 53 and a track clamping sliding mechanism 54, wherein the output end of the driving motor D51 is connected with the speed reduction differential mechanism 52, two output ends of the speed reduction differential mechanism 52 are respectively connected with the driving rollers 53, the driving rollers 53 are arranged on the upper surface of the processing platform 1, the track clamping sliding mechanism 54 is arranged in the circular track 11, the track clamping sliding mechanism 54 is provided with a clamping bracket 55, the circular track 11 and the section of the clamping bracket 55 are in an inverted T shape, the two sides of the clamping bracket 55 are provided with driven rollers 56, and the driven rollers 56 close to the clamp mechanism 2 are smaller than the other driven rollers 56.
The novel processing device for the elliptical cross section of the engine piston comprises the following processing steps:
step one: fixedly mounting a piston part to be processed on a fixture mechanism 2, restarting the high-temperature simulation device 4, preheating the high-temperature simulation device 4 to 80-130 ℃, controlling the high-temperature simulation device 4 to be close to the piston part to be processed through a lifting device 6, preheating the piston part to be processed for 20-90 seconds until the temperature of the piston part to be processed reaches 80 ℃;
step two: continuously starting the high-temperature simulation device 4, controlling the high-temperature simulation device 4 to stably maintain the temperature at 210 ℃ to 425 ℃ to simulate the skirt high-temperature environment of the piston part, controlling the temperature of the processed piston part to stably maintain at 80 ℃ to 130 ℃, controlling the high-temperature simulation device 4 to compress the end part of the piston part to be processed through the lifting device 6, stably maintaining the pressure at 75kpa to 90kpa, and simulating the skirt high-pressure mechanical stress environment of the piston part;
step three: the milling cutter is arranged on the encircling machining mechanism assembly 3, and a sliding mechanism 5 encircling the machining mechanism assembly 3 and the bottom is started to enable the milling cutter to perform milling motion and act on the piston skirt, and the sliding mechanism 5 slides in the annular track 11 at a uniform speed, so that the milling cutter can perform milling motion and simultaneously perform circular motion around the piston skirt which is clamped and fixed;
step four: the lifting driving mechanism 9 is controlled to drive the tool clamp mechanism 2 and the high-temperature simulation device 4 to synchronously move up and down, so that cutters surrounding the output end of the processing mechanism assembly 3 act on different longitudinal positions of the piston skirt; the relative positions among the fixture mechanism 2, the high-temperature simulation device 4 and the piston part are unchanged in the whole cutting and grinding process, so that stable environment temperature and the simulated piston working process are maintained conveniently;
step five: after the surrounding milling of the piston skirt is finished, replacing a milling cutter arranged on the surrounding processing mechanism assembly 3 with a cutter knife, starting the surrounding processing mechanism assembly 3 and a sliding mechanism 5 at the bottom to enable the cutter knife to do grinding movement and act on the piston skirt, enabling the sliding mechanism 5 to slide in a circular ring-shaped track 11 at a uniform speed, enabling the cutter knife to do circular movement around the piston skirt which is clamped and fixed at the same time, and returning to the execution step four;
step six: after finishing the grinding work to the piston skirt, adjust elevating gear 6 and make support frame 12 rise to close above-mentioned high temperature simulation device 4, can form the oval cross-section of piston skirt after waiting for the piston part cooling, the piston part cooling can adopt forced air cooling device to accelerate the cooling, carries out manual polishing to it at last, takes off the part.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (8)
1. The utility model provides a novel oval cross-section of engine piston processing device which characterized in that: the automatic processing device comprises a processing platform (1), a tool clamp mechanism (2), a surrounding processing mechanism assembly (3) and a high-temperature simulation device (4), wherein the tool clamp mechanism (2) is arranged at the center of the processing platform (1), a circular track (11) is further arranged on the processing platform (1), the circular track (11) takes the tool clamp mechanism (2) as the center of a circle, a sliding mechanism (5) is arranged at the bottom of the surrounding processing mechanism assembly (3), and the surrounding processing mechanism assembly (3) is slidably arranged in the circular track (11) through the sliding mechanism (5);
still be provided with support frame (12) on processing platform (1), high temperature analogue means (4) set up at this support frame (12) top still be provided with elevating gear (6) in support frame (12) middle part, this elevating gear (6) effect is the height at control support frame (12) top, controls high temperature analogue means (4) promptly processing platform (1) bottom is provided with lift actuating mechanism (9), and the effect of this lift actuating mechanism (9) is in the drive frock clamp mechanism (2) and support frame (12) go up and down in step.
2. The novel engine piston elliptical cross-section machining device of claim 1, wherein: the surrounding machining mechanism assembly (3) comprises a mounting bracket (31), a telescopic device (7) and a machining mechanism (8), wherein the mounting bracket (31) comprises a vertical bracket and a horizontal cross arm, the sliding mechanism (5) is arranged at the bottom of the vertical bracket, one end of the horizontal cross arm is arranged at the top end of the vertical bracket, and the telescopic device (7) and the machining mechanism (8) are arranged on the horizontal cross arm.
3. The novel engine piston elliptical cross-section machining device of claim 2, wherein: the telescopic device is characterized in that the telescopic device (7) is provided with an electric push rod (71), the horizontal cross arm is divided into a fixed cross arm (72) and a sliding cross arm (73), the electric push rod (71) is installed on the fixed cross arm (72), the output end of the electric push rod (71) is connected with the end part of the sliding cross arm (73), a slide way (74) is arranged on the fixed cross arm (72), the bottom of the sliding cross arm (73) is provided with a clamping slide block (75), the clamping slide block (75) is in sliding fit with the slide way (74), and the cross sections of the slide way (74) and the clamping slide block (75) are in inverted T shapes.
4. A novel engine piston elliptical cross-section machining apparatus as claimed in claim 3, wherein: the machining mechanism (8) is arranged on the sliding cross arm (73), the machining mechanism (8) comprises a driving motor A (81), a transmission mechanism (82) and a cutting tool rest (83), the output end of the driving motor A (81) is connected with the transmission mechanism (82), the output end of the transmission mechanism (82) is connected with the cutting tool rest (83), and the cutting tool rest (83) is used for installing a milling cutter or a grinding wheel knife.
5. The novel engine piston elliptical cross-section machining device of claim 1, wherein: the fixture mechanism (2) comprises a three-jaw chuck (21), a sliding base (22) and a clamping fixture (23), wherein the clamping fixture (23) is installed in the three-jaw chuck (21) in a clamping mode, the output end of the high-temperature simulation device (4) is opposite to the clamping fixture (23), the three-jaw chuck (21) is arranged at the top of the sliding base (22), the sliding base (22) slides up and down in the machining platform (1), and the support frame (12) is fixedly connected with the bottom of the sliding base (22), namely, the support frame (12) and the high-temperature simulation device (4) can move up and down along with the sliding base (22) synchronously;
the lifting driving mechanism (9) comprises a driving motor B (91), a speed reducer (92) and a driving screw rod B (93) which are sequentially connected in a transmission mode, a threaded hole is formed in the bottom of the sliding base (22), and the threaded hole is matched with the driving screw rod B (93).
6. The novel engine piston elliptical cross-section machining device of claim 1, wherein: the support frame (12) is of an annular frame structure, the support frame (12) is divided into an upper support frame and a lower support frame, the upper support frame is movably matched with the lower support frame, a lifting device (6) is arranged on the side portion of the support frame (12), the lifting device (6) comprises a driving motor C (61), a speed reducing mechanism (62) and a driving screw rod C (63) which are sequentially connected in a transmission mode, the driving motor C (61) and the speed reducing mechanism (62) are arranged on the lower support frame, and the output end of the driving screw rod C (63) is connected with the upper support frame.
7. The novel engine piston elliptical cross-section machining device of claim 1, wherein: the high-temperature simulation device (4) is provided with a mounting shell (41), an elastic clamping device and a sliding mounting frame (45) are arranged in the mounting shell (41), the elastic clamping device comprises an elastic clamping head (42), a driving thread disc (43) and a thread disc driving rotary head (44), a spring is arranged in the elastic clamping head (42), the clamping end is in an arc shape, the elastic clamping head (42) is used for mounting a metal rod at the clamping end, one end part of the elastic clamping head (42) is matched with the surface of the driving thread disc (43), and the other surface of the driving thread disc (43) is matched and driven in the thread disc driving rotary head (44);
install induction heating coil (46) on slide mounting bracket (45), this induction heating coil (46) encircle the metal stick sets up, slide mounting bracket (45) sliding end is provided with spring mechanism (47), and this spring mechanism (47) makes slide mounting bracket (45) natural state all upwards retract install casing (41) lateral part slip and be provided with elasticity pull ring mechanism (48), this elasticity pull ring mechanism (48) with slide mounting bracket (45) lateral part is connected.
8. The novel engine piston elliptical cross-section machining device of claim 2, wherein: the sliding mechanism (5) comprises a driving motor D (51), a speed reduction differential mechanism (52), driving rollers (53) and a track clamping sliding mechanism (54), wherein the output end of the driving motor D (51) is connected with the speed reduction differential mechanism (52), two output ends of the speed reduction differential mechanism (52) are respectively connected with the driving rollers (53), the driving rollers (53) are arranged on the upper surface of the processing platform (1), the track clamping sliding mechanism (54) is arranged in the annular track (11), the track clamping sliding mechanism (54) is provided with a clamping bracket (55), the cross sections of the annular track (11) and the clamping bracket (55) are in an inverted T shape, driven rollers (56) are arranged on two sides of the clamping bracket (55), and the driven rollers (56) close to the clamp mechanism (2) are smaller than one driven roller (56).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221124644.8U CN219005477U (en) | 2022-05-11 | 2022-05-11 | Novel processing of engine piston oval cross-section device |
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| CN202221124644.8U CN219005477U (en) | 2022-05-11 | 2022-05-11 | Novel processing of engine piston oval cross-section device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115156843A (en) * | 2022-05-11 | 2022-10-11 | 重庆工业职业技术学院 | Piston elliptical cross section machining device and process |
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- 2022-05-11 CN CN202221124644.8U patent/CN219005477U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115156843A (en) * | 2022-05-11 | 2022-10-11 | 重庆工业职业技术学院 | Piston elliptical cross section machining device and process |
| CN115156843B (en) * | 2022-05-11 | 2023-11-17 | 重庆工业职业技术学院 | Piston elliptical cross section machining device and technology |
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