Efficient energy-saving aluminum alloy hub spinning machine

Abstract

The invention discloses an efficient energy-saving aluminum alloy hub spinning machine and relates to the technical field of hub production, the efficient energy-saving aluminum alloy hub spinning machine comprises a bottom plate and further comprises a spinning assembly, an inner supporting assembly and a spraying assembly, a friction plate penetrates through the center of the bottom plate and is in damping sliding connection with the center of the bottom plate, and second guide grooves are formed in the positions, located on the two sides of the friction plate, of the long edge of the upper surface of the bottom plate; two third guide grooves which are symmetrical along the center of the friction plate are formed in the position, surrounding the periphery of the friction plate, of the upper surface of the bottom plate, a plurality of first guide grooves are formed in the surface of the friction plate, and a limiting groove is formed in each first guide groove. By arranging the spinning assembly, the blank and the spinning wheel are controlled to always rotate at a high speed in the same direction; by arranging the inner supporting assembly, the blank is automatically centered and kept in the spinning process; and by arranging the spraying assembly, the blank and the spinning wheel are automatically sprayed and cooled in the spinning process.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of hub production, in particular to an efficient energy-saving aluminum alloy hub spinning machine. BACKGROUND

[0002] The efficient energy-saving aluminum alloy hub spinning machine is a key equipment for manufacturing aluminum alloy hubs, and mainly processes aluminum alloy blanks into specific shapes of the hubs through a spinning forming process. Spinning is a metal plastic forming process, which gradually deforms the material by rotating the blank and applying radial or axial pressure, and finally forms the profile of the hub by using the roller. Compared with traditional casting, the spinning hub has higher strength, lighter weight and better mechanical properties.

[0003] According to the search, the Chinese patent with the publication number CN118832027B comprises a shell, two groups of movable doors rotatably connected on both sides of the shell, a spinning unit connected in the interior of the shell, a hydraulic assembly connected in the interior of the shell and a rotating unit, the spinning unit comprises two movable seats sliding in the interior of the shell and a movable groove one opened in the interior of the movable seat; by polishing the outer surface of the spinning wheel, the smoothness of the surface can be effectively restored and the surface roughness can be reduced, thereby improving the machining precision and quality, avoiding the stress concentration in the material caused by uneven pressure and leaving scratches and indentations on the blank, thereby reducing the internal defects and surface unevenness that may occur during the hub forming process, and effectively removing early wear and cracks to prevent these small defects from rapidly expanding into larger damage during use, thereby prolonging the overall life of the spinning wheel.

[0004] However, in the spinning process, the friction between the aluminum alloy and the die generates heat, which can cause the surface temperature of the aluminum alloy to rise rapidly. At this time, polishing the spinning wheel simultaneously will further increase the heat, thereby causing local overburning of the aluminum alloy. On the other hand, the above-mentioned scheme lacks centering and retaining during the hub spinning process. When the feeding amount or spinning degree of the two spinning wheels deviates, the pressure borne by a single spinning wheel is higher than that of the other side. At this time, the aluminum alloy has the risk of deviation, thereby causing the hub forming to fail. SUMMARY

[0005] The application aims to provide an efficient energy-saving aluminum alloy hub spinning machine, which has the advantages of centering and retaining and synchronous cooling, and solves the problems raised in the background art.

[0006] In order to achieve the above object, the present application provides the following technical scheme: the high efficiency energy saving aluminum alloy hub spinning machine, including the bottom plate, still including the spinning assembly, the inside support assembly and the spray assembly, the center of the bottom plate is penetrated and the damping sliding connection has the friction plate, the long side of the bottom plate upper surface is located at the both sides of the friction plate and is provided with the guide groove two, the position of the bottom plate upper surface around the friction plate outer peripheral part is provided with two guide grooves three which are symmetrical along the friction plate center, the surface of the friction plate is provided with a plurality of guide grooves one, the inside of each guide groove one is provided with the limiting groove; The spinning assembly includes a worm gear driven by a driving device, and the worm gear is arranged below the bottom plate. The inside support assembly includes a lead screw for centering and retaining, and the lead screw is drivingly connected with the spinning assembly. The spray assembly includes a cylindrical cam for water mist cooling, and the cylindrical cam is drivingly connected with the spinning assembly.

[0007] Preferably, the center of the worm gear is penetrated by a drive shaft driven by an internal motor, the outer contour of one side of the worm gear is meshingly drivingly connected with a worm driven by an internal motor, the middle section of the drive shaft is fixedly connected with a spur gear one, the outer contour of both sides of the spur gear one is meshingly drivingly connected with a spur gear two, the center of both the spur gears two is penetrated and fixedly connected with a transmission shaft one, the outer contour of the side of each spur gear two away from the spur gear one is meshingly drivingly connected with a spur gear three, and the center of each spur gear three is penetrated and fixedly connected with a transmission shaft two.

[0008] Preferably, the drive shaft and the two transmission shafts one are jointly sleeved with two brackets one located on the upper and lower sides of the spur gear one respectively, the transmission shaft one and the transmission shaft two on the same side are jointly sleeved with two brackets two located on the upper and lower sides of the spur gear two respectively, and the bracket one located at the bottom end of the spur gear one is fixedly connected to the upper surface of the worm gear.

[0009] Preferably, the top end of each transmission shaft two is fixedly connected with an extension rod, the top end of each extension rod is fixedly connected with a spinning wheel, the spinning assembly further includes a blank limited and clamped by the inside support assembly, each spinning wheel is slidingly connected in the corresponding guide groove two, and the outer contour of the spinning wheel and the blank is in close contact.

[0010] Preferably, the screw rod penetrates the center of the friction plate and is fixedly connected to the top end of the driving shaft, the top end of the screw rod is rotationally connected with a top plate, the top plate abuts against the inner wall of the top end of the blank, a threaded sleeve is screwed on the outer contour of the screw rod, a plurality of link sets are drivingly connected to the threaded sleeve through a pin shaft, each end of the link set away from the threaded sleeve is drivingly connected with a support plate through a pin shaft, the middle section of the bottom end of each support plate is fixedly connected with a sliding block, the sliding block is slidingly connected in the corresponding guide groove I, and the two sides of each sliding block are fixedly connected with a positioning pin which is slidingly connected in the corresponding limiting groove.

[0011] Preferably, the plurality of support plates can be jointly spliced into a circular ring structure, the number of the link set, the support plate and the sliding block is the same as the number of the guide groove I and the positions are corresponding.

[0012] Preferably, the cylindrical cam is fixedly connected to the top end of the transmission shaft I, the sleeve pipe I is sleeved on the outer contour of the cylindrical cam, the sleeve pipe II is sleeved on the outer contour of the sleeve pipe I, the nozzle is fixedly connected to the top end of the sleeve pipe I, the spraying side of the nozzle is directed to the position of the outer wall of the blank close to the corresponding spinning wheel, and the back side of the nozzle is communicated with an external water inlet system.

[0013] Preferably, the transmission pin is drivingly connected to the outer contour of the cylindrical cam, the inclined groove is formed in the outer contour of the sleeve pipe I, the transmission pin penetrates and is slidingly connected in the inclined groove, the straight groove is formed in the inner surface of the sleeve pipe II, one end of the transmission pin away from the cylindrical cam is limitingly and slidingly connected in the straight groove, and the sleeve pipe II is limitingly and slidingly connected in the corresponding guide groove III.

[0014] Compared with the prior art, the beneficial effects of the present application are as follows: 1. By arranging the spinning assembly, the blank and the spinning wheel are controlled to rotate in the same direction at high speed at all times, the spinning effect is effectively improved, the feeding amount of the spinning wheels on both sides is always the same, and the spinning quality is ensured.

[0015] 2. By arranging the inner support assembly, the blank is automatically centered and maintained during the spinning process, and the spinning failure caused by the offset of the blank is further prevented.

[0016] 3. By arranging the spraying assembly, the blank and the spinning wheel are automatically sprayed and cooled during the spinning process, the spraying direction automatically reciprocates, the spraying area is further effectively expanded, and the cooling effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the main structure of the present application; Figure 2 It is a sectional view of the main structure of the present application; Figure 3 It is a schematic diagram of the base plate of the present application; Figure 4 It is an exploded view of the spinning assembly of the present application; Figure 5 It is a schematic diagram of the position relationship of the inner support assembly of the present application; Figure 6 It is an exploded view of the inner support assembly of the present application; Figure 7 It is a partial schematic diagram of the inner side assembly of the present application; Figure 8 It is a schematic diagram of the position relationship of the spraying assembly of the present application; Figure 9 It is an exploded view of the spraying assembly of the present application.

[0018] In the figure: 1, base plate; 11, friction plate; 12, guide groove one; 13, limiting groove; 14, guide groove two; 15, guide groove three; 2, worm gear; 21, worm; 22, drive shaft; 23, straight gear one; 24, transmission shaft one; 25, straight gear two; 26, transmission shaft two; 27, straight gear three; 28, bracket one; 29, bracket two; 3, telescopic rod; 31, spinning wheel; 32, blank; 4, lead screw; 41, top plate; 42, threaded sleeve; 43, connecting rod set; 44, support plate; 45, sliding block; 46, positioning pin; 5, cylindrical cam; 51, transmission pin; 52, sleeve one; 53, inclined groove; 54, sleeve two; 55, straight groove; 56, spray head. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] Embodiment one:

[0021] Please refer to Figures 1 to 9 The present application provides a technical solution: an efficient and energy-saving aluminum alloy hub spinning machine, which comprises a base plate 1 and further comprises a spinning assembly, an inner support assembly and a spraying assembly. A friction plate 11 is penetrated through the center of the base plate 1 and is connected in a damping sliding manner. Two guide grooves two 14 are formed on the upper surface of the base plate 1 on both sides of the friction plate 11. Two guide grooves three 15 are formed on the upper surface of the base plate 1 around the outer peripheral part of the friction plate 11, which are symmetrically arranged along the center of the friction plate 11. A plurality of guide grooves one 12 are formed on the surface of the friction plate 11. A limiting groove 13 is formed in the inside of each guide groove one 12. The spinning assembly includes a worm gear 2 driven by a driving device, which is arranged below the base plate 1; The internal support assembly includes a lead screw 4 for achieving centering and holding, which is in driving connection with the spinning assembly. The spraying assembly includes a cylindrical cam 5 for achieving water mist cooling, which is in driving connection with the spinning assembly.

[0022] In this scheme, the spinning production process of the aluminum alloy wheel hub is achieved by the spinning assembly, in which the spinning wheel and the blank keep high-speed rotation in the same direction, at this time, the contact surface of the spinning wheel and the blank is in a relative friction state, the line speed directions of the two at the contact position are opposite, and the relative friction degree is the largest, so that the best spinning effect is achieved, and the production efficiency of the spinning process is effectively improved. At the same time, the spinning assembly drives the spraying assembly to work synchronously, the spraying assembly continuously sprays water mist to the contact position of the spinning wheel and the blank and the surrounding area, most of the heat generated in the spinning process is absorbed by the water mist, so that the local high-temperature softening of the blank is avoided, and the production quality of the spinning process is effectively improved.

[0023] On the other hand, before the spinning operation, the blank needs to be installed on the internal support assembly, and then the spinning assembly drives the internal support assembly to work, the internal support assembly gradually contacts the inner wall of the blank and supports it, the centering and holding of the blank is achieved through the outward expansion support of the internal support assembly, so that the spinning failure caused by eccentricity during high-speed rotation of the blank is avoided.

[0024] It should be noted that for different sizes of blanks within the set range, the internal support assembly can achieve centering and supporting, and after the internal support assembly completes the supporting of the blank, the spinning assembly starts to drive the blank to rotate at high speed, thereby effectively avoiding the risk of accidental wear of the blank before it is centered.

[0025] Further, for blanks of different sizes, the contact position with the spinning wheel is different, at this time, the spinning assembly needs to be controlled to drive the spinning wheel to adjust the extension and retraction, so that it is always in contact with the outer wall of the spinning wheel, and in this process, the orientation of the spraying assembly is synchronously changed, so that it is always directed to the contact position of the blank and the spinning wheel.

[0026] The base plate 1 serves as a fixed structure to provide fixed support for the whole device, and the friction plate 11, the guide groove one 12 and the limiting groove 13 jointly achieve the limiting and control of the internal support assembly; the guide groove two 14 limits and guides the extension and retraction process of the spinning wheel, and the guide groove three 15 limits and guides the orientation adjustment process of the spraying assembly.

[0027] Example two:

[0028] Please refer to Figure 1 , Figure 2 and Figure 4This embodiment is further described on the basis of the first embodiment: a driving shaft 22 driven solely by a built-in motor passes through the center of the worm gear 2, a worm 21 driven by the built-in motor is meshed and connected on the outer contour of one side of the worm gear 2, a spur gear 23 is fixedly connected to the middle section of the driving shaft 22, and spur gear 2 25 is meshed and connected on the outer contours on both sides of the spur gear 1 23, and a transmission shaft 1 24 is passed through and fixedly connected to the centers of the two spur gears 2 25, and a spur gear 3 27 is meshed and connected on the outer contour of each spur gear 2 25 away from the spur gear 1 23, and a transmission shaft 2 26 is passed through and fixedly connected to the center of each spur gear 3 27.

[0029] Two brackets 28 are commonly connected between the drive shaft 22 and the two transmission shafts 1 24, and are respectively located on the upper and lower sides of the spur gear 1 23. On the same side, two brackets 29 are commonly connected between the transmission shaft 1 24 and the transmission shaft 2 26, and are respectively located on the upper and lower sides of the spur gear 2 25. The bracket 1 28 located at the bottom end of the spur gear 1 23 is fixedly connected to the upper surface of the worm gear 2.

[0030] The top end of each of the transmission shafts 26 is fixedly connected to a telescopic rod 3, and the top end of each of the telescopic rods 3 is fixedly connected to a spinning wheel 31. The spinning assembly also includes a blank 32 that is limited and clamped by the inner support assembly. Each of the spinning wheels 31 is slidably connected to the guide groove 2 14 at the corresponding position, and the spinning wheel 31 maintains a close contact with the outer contour of the blank 32.

[0031] As can be seen from the first embodiment, the spinning assembly completes the spinning production process of the blank 32 and can freely adjust the feed rate of the spinning wheel 31 and the contact point between the spinning wheel 31 and the blank 32 according to the different sizes of the blank 32.

[0032] by Figure 1 For example, at this time, the spinning wheel 31 maintains a close contact with the blank 32, that is, the extension and extension degree and feed amount of the spinning wheel 31 do not need to be adjusted, then the motor is started to drive the drive shaft 22 to rotate, and the drive shaft 22 further drives the spur gear 1 23 to rotate. At this time, the internal support assembly runs synchronously to realize the support and clamping of the blank 32. The clamped blank 32 and the internal support assembly realize transmission connection and synchronous movement, and the spur gear 1 23 further drives the transmission shaft 1 24 and the spur gear 2 25 to rotate synchronously, and the transmission shaft 1 24 continues to drive the spray assembly to start running to start the spray cooling operation.

[0033] Further, the spur gear two 25 drives the spur gear three 27 and the transmission shaft two 26 to rotate synchronously under the meshing transmission of the spur gear two 25 and the spur gear three 27, and the transmission shaft two 26 further drives the telescopic rod 3 and the spinning wheel 31 to rotate, that is, the spinning wheel 31 and the blank 32 are kept in the high-speed rotating state at this time; on the other hand, the meshing relationship among the spur gear one 23, the spur gear two 25 and the spur gear three 27 conforms to the multi-gear transmission system, wherein the positive and negative of the input and output direction depends on the number of meshing in the system, when the odd number of meshing, the output direction is opposite to the input direction, and when the even number of meshing, the output direction is the same as the input direction; as shown in Figure 4 the spur gear one 23 as the power input wheel, the spur gear one 23 and the spur gear three 27 realize twice meshing through the spur gear two 25, that is, the even number of meshing, so that the spur gear three 27 and the spur gear one 23 keep the same direction rotation at this time.

[0034] As known from the foregoing, the blank 32 moves synchronously with the inner support assembly, the inner support assembly is consistent with the movement state of the driving shaft 22 and the spur gear one 23, and the spinning wheel 31 and the telescopic rod 3 are consistent with the movement state of the spur gear three 27, that is, the spinning wheel 31 and the blank 32 realize the same direction high-speed rotation at this time, and the spinning work is completed.

[0035] On the other hand, Figure 1 the working state of the device when the blank 32 is in the maximum size, for the blank 32 in other sizes, the size is smaller than Figure 1 the size shown in

[0036] the spinning wheel 31 and the blank 32 are not in the contact state at this time, the spinning assembly is started, and the spinning wheel 31 cannot complete the spinning production work.

[0036] But the blank 32 will be centered and clamped and rotated at high speed under the action of the inner support assembly, and the spinning wheel 31 will also rotate at high speed, but the spinning wheel 31 and the blank 32 are not in contact at this time, the worm 21 is manually rotated, the worm 21 further drives the worm wheel 2 to rotate, and since the worm wheel 2 is fixedly connected with the bottom end support one 28, that is, the bottom end support one 28 rotates synchronously with the worm wheel 2.

[0037] the size shown in Figure 4For example, when the worm gear 2 drives the support 28 to rotate counterclockwise, the support 28 further drives the transmission shaft 24 and the spur gear 25 to revolve around the center of the drive shaft 22 and the spur gear 23, that is, the spray assembly starts to revolve synchronously, and the revolving track is limited and guided by the guide groove 15. The support 28 gradually changes from a horizontal state to an inclined state, and in this process, the support 28 synchronously extrudes the support 29, so that the support 29 also changes from a horizontal state to an inclined state, and the support 29 further drives the transmission shaft 26 and the spur gear 27 to move, and under the guidance and limitation of the guide groove 14, the two spinning wheels 31 start to approach each other with the transmission shaft 26. In the process of the two spinning wheels 31 gradually approaching each other, they come into contact with the blank 32, and then the worm 21 stops rotating. At this time, the spinning wheel 31 realizes the spinning production operation on the blank 32.

[0038] Embodiment three:

[0039] Please refer to Figure 5 to 7 , this embodiment is further explained on the basis of embodiment two: the lead screw 4 penetrates the center of the friction plate 11 and is fixedly connected to the top end of the drive shaft 22, the top end of the lead screw 4 is rotatably connected with a top plate 41, the top plate 41 abuts against the inner wall at the top end of the blank 32, a threaded sleeve 42 is screwed on the outer contour of the lead screw 4, a plurality of link sets 43 are drivingly connected to the threaded sleeve 42 through pin shafts on the outer contour of the threaded sleeve 42, each end of each link set 43 away from the threaded sleeve 42 is drivingly connected with a support plate 44 through a pin shaft, the middle segment of the bottom end of each support plate 44 is fixedly connected with a sliding block 45, the sliding block 45 is slidingly connected in the guide groove 12 at the corresponding position, and the two sides of each sliding block 45 are fixedly connected with a positioning pin 46, the positioning pin 46 is slidingly connected in the limiting groove 13 at the corresponding position.

[0040] A plurality of support plates 44 can be jointly spliced into a circular ring structure, and the number of the link sets 43, the support plates 44 and the sliding blocks 45 is the same as the number of the guide grooves 12 and corresponds to the positions.

[0041] As can be seen from embodiment two, when the blank 32 is installed on the inner support assembly, the blank 32 and the inner support assembly do not move together at first, and when the spinning assembly drives the inner support assembly, the inner support assembly clamps the blank 32, and then the blank 32 starts to rotate synchronously with the inner assembly at a high speed.

[0042] When the drive shaft 22 rotates, since it is fixedly connected with the lead screw 4, and the top plate 41 is rotatably connected with the lead screw 4, the lead screw 4 rotates synchronously, and the top plate 41 is affected by the gravity of the blank 32, although it rotates with the lead screw 4, the rotation rate is relatively low, that is, at this time, the blank 32 is in a state of low-speed rotation, thereby avoiding the eccentric rotation rate of the blank 32 being too large to cause accidental wear.

[0043] Furthermore, due to the damping sliding connection between the friction plate 11 and the base plate 1, the friction plate 11 realizes limiting control of the inner support assembly through the guide groove 12 and the limit groove 13. That is, at this time, the threaded sleeve 42 in the inner support assembly tends to remain stationary along with the friction plate 11. At the same time, due to the screw connection between the screw rod 4 and the threaded sleeve 42, the threaded sleeve 42 tends to rotate along with the screw rod 4. That is, at this time, for the threaded sleeve 42, it is affected by the axial force of the screw connection of the screw rod 4 and the damping static friction force between the friction plate 11 and the base plate 1. Since the damping static friction force between the friction plate 11 and the base plate 1 is much greater than the axial force of the screw connection between the screw rod 4 and the threaded sleeve 42, the threaded sleeve 42 will not rotate along with the screw rod 4 at the beginning. At this time, the self-rotation of the screw rod 4 will cause the threaded sleeve 42 to start rising along the screw rod 4.

[0044] like Figure 5 As shown, in the initial state, the threaded sleeve 42 is at the bottom of its lifting stroke and maintains a state of contact with the upper surface of the friction plate 11. At this time, the threaded sleeve 42 is in a horizontal state. However, when the screw rod 4 rotates to cause the threaded sleeve 42 to rise, one end of the connecting rod group 43 rises synchronously with the threaded sleeve 42. As for the other end of the connecting rod group 43, since the slider 45 and the positioning pin 46 are limitedly slidably connected in the guide groove 12 and the limiting groove 13, the height positions of the support plate 44, the slider 45 and the positioning pin 46 always remain unchanged along with the friction plate 11 and the bottom plate 1. The support plate 44 cannot be raised or lowered, and can only slide back and forth along the guide groove 12 by cooperating between the slider 45 and the positioning pin 46 and the guide groove 12 and the limit groove 13, resulting in the other end of the connecting rod group 43 being unable to be raised or lowered. Under the rising action of the threaded sleeve 42, the connecting rod group 43 gradually changes from a horizontal state to an inclined rotation, resulting in a shortening of the projection length of the connecting rod group 43 in the horizontal direction, and then the connecting rod group 43 pulls the support plate 44 along the guide groove 12 toward the center of the bottom plate 1, thereby shortening the size of the circular ring formed by multiple support plates 44.

[0045] Similarly, if the threaded sleeve 42 is initially located at the highest point of its lifting stroke and is in close contact with the top plate 41, controlling the drive shaft 22 to drive the screw 4 to reverse will cause the connecting rod group 43 to change from an inclined state to a horizontal state, and the support plate 44 will gradually move away from the center of the friction plate 11 along the guide groove 12, thereby causing the support plate 44 to gradually contact the inner wall of the blank 32 and achieve the clamping connection between the support plate 44 and the blank 32, so that the position of the support plate 44 can be adjusted to meet the spinning requirements of blanks 32 of different sizes.

[0046] When the supporting plates 44 contact the inner wall of the blank 32 and support and clamp the blank 32, the blank 32 in the eccentric state is gradually kept in the centered state due to the synchronous outward expansion of the plurality of supporting plates 44, thereby effectively ensuring the spinning quality of the device. On the other hand, after the supporting plates 44 support and clamp the blank 32, the pressure between the supporting plates 44 and the blank 32 causes the blank 32 to move with the supporting plates 44. At this time, the threaded sleeve 42 is limited by the supporting plates 44 and is difficult to continue to rise and fall with the rotation of the lead screw 4, that is, the screw axial force between the lead screw 4 and the threaded sleeve 42 begins to increase and is much larger than the resistance static friction force between the friction plate 11 and the bottom plate 1. At this time, the lead screw 4 drives the threaded sleeve 42, the supporting plates 44 and the friction plate 11 to start to rotate together, and the blank 32 changes from a low-speed rotating state to a high-speed rotating state, thereby effectively improving the spinning efficiency of the device.

[0047] Embodiment Four

[0048] Please refer to Figure 8 and Figure 9 . This embodiment is further described on the basis of embodiment three: the cylindrical cam 5 is fixedly connected to the top end of the transmission shaft one 24, the outer contour of the cylindrical cam 5 is sleeved with a sleeve one 52, the outer contour of the sleeve one 52 is sleeved with a sleeve two 54, the top end of the sleeve one 52 is fixedly connected with a spray head 56, the spraying side of the spray head 56 is directed to the position close to the corresponding spinning wheel 31 on the outer wall of the blank 32, and the back side of the spray head 56 is communicated with an external water inlet system.

[0049] The outer contour of the cylindrical cam 5 is drivingly connected with a transmission pin 51, the outer contour of the sleeve one 52 is provided with an inclined slot 53, the transmission pin 51 penetrates and is slidingly connected in the inclined slot 53, the inner surface of the sleeve two 54 is provided with a straight slot 55, and the end of the transmission pin 51 away from the cylindrical cam 5 is limitingly and slidingly connected in the straight slot 55. The sleeve two 54 is limitingly and slidingly connected in the corresponding guide groove three 15.

[0050] As can be seen from embodiments one and two, the spray assembly sprays and cools the contact point of the spinning wheel 31 and the spinning wheel 31 and the surrounding area with circulating water mist, and simultaneously adjusts the extension degree of the spinning wheel 31 according to the blank 32 of different sizes, the direction of the spray assembly changes synchronously and always points to the contact position of the spinning wheel 31 and the blank 32.

[0051] When the transmission shaft 24 and the spur gear 25 rotate with the drive shaft 22 and the spur gear 23, the cylindrical cam 5 rotates synchronously due to the fixed connection between the cylindrical cam 5 and the transmission shaft 24, but the sleeve 54 cannot rotate due to the limiting clamping action of the guide groove 15, and can only slide back and forth along the direction in which the guide groove 15 is opened, that is, without rotating the worm 21, the sleeve 54 and the straight groove 55 remain in a fixed state with the bottom plate 1.

[0052] Further, the rotation of the cylindrical cam 5 tends to drive the transmission pin 51 to rotate synchronously, but since the bottom end of the transmission pin 51 is in limiting sliding connection with the straight groove 55, and the straight groove 55 is in a fixed state, the movement of the transmission pin 51 is limited to only lifting along the direction in which the straight groove 55 is opened, at this time the rotation of the cylindrical cam 5 will cause the transmission pin 51 to start lifting in the straight groove 55.

[0053] While the transmission pin 51 is lifting in the straight groove 55, since the transmission pin 51 is also in sliding connection in the inclined groove 53, and the inclined groove 53 is opened in an inclined state along the outer surface of the sleeve 52, that is, when the transmission pin 51 rises, it will press the inclined groove 53 and cause the sleeve 52 to rotate clockwise, and when the transmission pin 51 descends, it will press the inclined groove 53 and cause the sleeve 52 to rotate counterclockwise, that is, the sleeve 52 is in a cyclic swinging motion, further, since the nozzle 56 is fixedly connected with the sleeve 52, causing the nozzle 56 to synchronously swing with the sleeve 52, and the initial state of the nozzle 56 is that its spraying side points to the contact point between the blank 32 and the spinning wheel 31, so that the nozzle 56 realizes the cyclic water mist spraying cooling operation on the spinning position and its surrounding area.

[0054] On the other hand, while rotating the worm 21 to adjust the extension degree of the spinning wheel 31, the transmission shaft 24 and the spur gear 25 revolve around the drive shaft 22 and the spur gear 23 due to the change in the inclined state of the bracket 28, in this process, since the spur gear 25 always remains in meshing state with the spur gear 23, the spur gear 25 and the transmission shaft 24 rotate synchronously; it should be noted that the rotation of the spur gear 23 has caused the transmission shaft 24 and the spur gear 25 to rotate, at this time the revolution of the transmission shaft 24 and the spur gear 25 around the spur gear 23 will cause the spur gear 25 and the transmission shaft 24 to further rotate.

[0055] Taking the clockwise rotation of the straight gear 23 as an example, when the transmission shaft 24 and the straight gear 25 do not start to revolve, the self-rotation direction thereof is counterclockwise, and this part of the self-rotation function realizes the reciprocating swing of the nozzle 56 with the sleeve 52. When the transmission shaft 24 and the straight gear 25 start to revolve due to the rotation of the worm 21, assuming that the rotation of the worm 21 causes the transmission shaft 24 and the straight gear 25 to revolve clockwise, the revolution of the transmission shaft 24 and the straight gear 25 will cause the transmission shaft 24 and the straight gear 25 to rotate counterclockwise by a small angle under the meshing action of the straight gear 25 and the straight gear 23. This part of the self-rotation is opposite to the self-rotation direction of the straight gear 23 driving the transmission shaft 24 and the straight gear 25, and thus is cancelled, so that the nozzle 56 is rotated outward by a small angle at the same time when the worm 21 is rotated to control the outward expansion of the spinning wheel 31, so as to meet the situation that the contact point of the blank 32 with the spinning wheel 31 is expanded outward when the size of the blank 32 is increased.

[0056] Similarly, for the case that the size of the blank 32 is reduced, the worm 21 needs to be rotated to control the transmission shaft 24 and the straight gear 25 to revolve counterclockwise around the straight gear 23. At this time, the revolution causes the transmission shaft 24 and the straight gear 25 to rotate clockwise by a small angle, and this part of the self-rotation is the same as the self-rotation direction of the straight gear 23 driving the transmission shaft 24 and the straight gear 25, so as to be further superimposed, so that the nozzle 56 is rotated inward by a small angle at the same time when the worm 21 is rotated to control the inward retraction of the spinning wheel 31, that is, for different sizes of the blank 32, the nozzle 56 is rotated outward or inward at the same time when the spinning wheel 31 is controlled to stretch or retract, so that it is always directed to the contact point of the blank 32 with the spinning wheel 31, thereby effectively ensuring the cooling effect of the water mist spraying.

[0057] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An efficient energy-saving aluminum alloy hub spinning machine, comprising a base plate (1), characterized in that: Also include spinning assembly, inside support assembly and spray assembly, the center of the bottom plate (1) is through and damping sliding connection with friction plate (11), the bottom plate (1) upper surface long side is located on both sides of the friction plate (11) is provided with guide groove two (14), the bottom plate (1) upper surface around the position of the outer peripheral part of the friction plate (11) is provided with two along the center of the friction plate (11) symmetry guide groove three (15), the surface of the friction plate (11) is provided with a plurality of guide groove one (12), each guide groove one (12) is internally provided with a limiting groove (13); The spinning assembly comprises a worm wheel (2) driven by a driving device, and the worm wheel (2) is arranged below the bottom plate (1); The inside support assembly comprises a lead screw (4) for centering and retaining, and the lead screw (4) is in transmission connection with the spinning assembly; The spray assembly comprises a cylindrical cam (5) for water mist cooling, and the cylindrical cam (5) is in transmission connection with the spinning assembly.

2. The high-efficiency energy-saving aluminum alloy hub spinning machine according to claim 1, characterized in that: The center of the worm wheel (2) is penetrated by a driving shaft (22) driven by an internal motor, and the outer contour of one side of the worm wheel (2) is in meshing transmission connection with a worm (21) driven by an internal motor, the middle segment of the driving shaft (22) is fixedly connected with a spur gear one (23), the outer contour of both sides of the spur gear one (23) is in meshing transmission connection with a spur gear two (25), the centers of the two spur gear two (25) are penetrated and fixedly connected with a transmission shaft one (24), the outer contour of one side of each spur gear two (25) away from the spur gear one (23) is in meshing transmission connection with a spur gear three (27), and the center of each spur gear three (27) is penetrated and fixedly connected with a transmission shaft two (26).

3. The high efficiency energy saving aluminum alloy wheel hub spinning machine according to claim 2, characterized in that: The driving shaft (22) and the two transmission shaft one (24) are jointly sleeved with two brackets one (28) located on the upper and lower sides of the spur gear one (23), the transmission shaft one (24) and the transmission shaft two (26) on the same side are jointly sleeved with two brackets two (29) located on the upper and lower sides of the spur gear two (25), and the bracket one (28) located at the bottom end of the spur gear one (23) is fixedly connected to the upper surface of the worm wheel (2).

4. The high-efficiency energy-saving aluminum alloy hub spinning machine according to claim 3, characterized in that: The top end of each transmission shaft two (26) is fixedly connected with an extension rod (3), the top end of each extension rod (3) is fixedly connected with a spinning wheel (31), the spinning assembly further comprises a blank (32) limited and clamped by the inside support assembly, each spinning wheel (31) is slidingly connected in the corresponding guide groove two (14), and the outer contour of the spinning wheel (31) and the blank (32) is in close contact.

5. The energy efficient aluminum alloy wheel hub spinning machine, as recited in claim 1, characterized in that: The screw rod (4) penetrates the center of the friction plate (11) and is fixedly connected to the top end of the driving shaft (22), the top end of the screw rod (4) is rotationally connected with the top plate (41), the top plate (41) abuts against the inner wall of the top end of the blank (32), the outer contour of the screw rod (4) is screwed with the threaded sleeve (42), the threaded sleeve (42) is drivingly connected with a plurality of link sets (43) through the pin shaft, one end of each link set (43) away from the threaded sleeve (42) is drivingly connected with the support plate (44) through the pin shaft, the middle section of the bottom end of each support plate (44) is fixedly connected with the sliding block (45), the sliding block (45) is slidingly connected in the guide groove one (12) at the corresponding position, and the two sides of each sliding block (45) are fixedly connected with the positioning pin (46), and the positioning pin (46) is slidingly connected in the limiting groove (13) at the corresponding position.

6. The high-efficiency energy-saving aluminum alloy hub spinning machine according to claim 5, characterized in that: A plurality of support plates (44) can be jointly spliced into a circular ring structure, the number of the link set (43), the support plate (44) and the sliding block (45) is the same as the number of the guide groove one (12) and the corresponding positions.

7. The high-efficiency energy-saving aluminum alloy hub spinning machine according to claim 1, characterized in that: The cylindrical cam (5) is fixedly connected to the top end of the transmission shaft one (24), the outer contour of the cylindrical cam (5) is sleeved with the sleeve one (52), the outer contour of the sleeve one (52) is sleeved with the sleeve two (54), the top end of the sleeve one (52) is fixedly connected with the spray head (56), the spraying side of the spray head (56) is directed to the position of the outer wall of the blank (32) close to the corresponding spinning wheel (31), and the back side of the spray head (56) is communicated with the external water inlet system.

8. The high-efficiency energy-saving aluminum alloy hub spinning machine according to claim 7, characterized in that: The outer contour of the cylindrical cam (5) is drivingly connected with the transmission pin (51), the outer contour of the sleeve one (52) is provided with the inclined groove (53), the transmission pin (51) penetrates and is slidingly connected in the inclined groove (53), the inner surface of the sleeve two (54) is provided with the straight groove (55), one end of the transmission pin (51) away from the cylindrical cam (5) is limitingly and slidingly connected in the straight groove (55), and the sleeve two (54) is limitingly and slidingly connected in the guide groove three (15) at the corresponding position.

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