Large vertical spinning machine

Abstract

The invention relates to the field of spinning equipment, and provides a large-scale vertical spinning machine which comprises a machine tool assembly, a spindle assembly and a spindle assembly, the machine tool assembly comprises a machining station and a suspension seat, and an oil storage cavity used for storing oil is formed in the machining station; the clamp unit comprises a main shaft and a rotary driving mechanism, and the main shaft is rotationally installed on the machining station through a bearing mechanism; the main shaft is provided with a clamp seat for fixing a blank; the rotary driving mechanism is in transmission connection with the main shaft for controlling the main shaft to rotate; the first oil system comprises a first oil pressure station arranged on the suspension seat, the first oil pressure station is connected with a first oil feeding pipeline and a first oil pumping pipeline, and the end, away from the first oil pressure station, of the first oil feeding pipeline is connected to the bearing mechanism; the end, away from the first oil pressure station, of the first oil pumping pipeline is connected to the machining station and communicates with the oil storage cavity. On the basis, the spinning machine main shaft is lubricated in a circulating oil supply mode, the heat dissipation effect of the main shaft can be improved, and the possibility that the main shaft breaks down or is damaged is reduced.

Description

Technical Field

[0001] The present application relates to the field of spinning equipment, and in particular to a large vertical spinning machine. Background Art

[0002] Spinning is a plastic processing method that uses a spinning tool to apply pressure to a rotating blank to produce continuous local plastic deformation and form it into the required hollow rotating parts. It is a commonly used process method for manufacturing thin-walled rotating parts. It can complete a variety of different forming processes such as drawing, flanging, and closing. As an important branch of plastic processing, it has the advantages of high product manufacturing precision and lightweight, and occupies an important position in the field of metal precision processing technology in aerospace, military industry, etc.

[0003] The equipment used in the spinning process is called a spinning machine or spinning equipment. According to the bed structure, it is mainly divided into two types: vertical spinning machines and horizontal spinning machines. Among them, the vertical spinning machine can reduce the deflection caused by its own weight and improve the processing accuracy because the gravity direction of the workpiece is consistent with the direction of the spindle axis. It is especially suitable for precision spinning of thin-walled and slender parts.

[0004] When the spinning machine is working, the spindle needs to bear the combined effects of spinning pressure and cutting torque, so it needs to have a sufficient degree of lubrication. In the prior art, the lubrication method of the spinning machine is usually to regularly apply grease to the rotating connection position between the spindle and the machine tool. However, this method not only requires manual operation, which is time-consuming and labor-intensive, but also causes poor heat dissipation of the spindle after the grease is applied to the spindle. The heat generated when the spindle rotates at high speed is difficult to dissipate, which can easily cause spindle failure or damage, and needs to be improved. Summary of the invention

[0005] Based on this, the present application provides a large vertical spinning machine, which lubricates the spindle of the spinning machine by circulating oil supply, thereby improving the heat dissipation effect of the spindle and reducing the possibility of failure or damage to the spindle.

[0006] A large vertical spinning machine provided in this application adopts the following technical solution: A large vertical spinning machine, comprising: The machine tool assembly comprises a bottom foundation, a processing station fixed to the bottom foundation, and a suspension seat erected on the bottom foundation, wherein an oil storage chamber for storing oil is provided inside the processing station; The fixture unit includes a main shaft and a rotary drive mechanism. The main shaft is rotatably mounted on the processing station through a bearing mechanism, and the bearing mechanism is partially immersed in the oil in the oil storage chamber. The main shaft is provided with a fixture seat for fixing the blank, and the rotary drive mechanism is transmission-connected to the main shaft for controlling the rotation of the main shaft. The first hydraulic fluid system, the first hydraulic fluid system includes a first hydraulic pressure station disposed on the suspension seat, and a first cooling module for cooling is provided inside the first hydraulic pressure station; the first hydraulic pressure station is connected with a first oil supply pipeline and a first oil extraction pipeline, one end of the first oil supply pipeline away from the first hydraulic pressure station is connected to the bearing mechanism, and one end of the first oil extraction pipeline away from the first hydraulic pressure station is connected to the processing station and communicates with the oil storage cavity.

[0007] By adopting the above technical solution, when the spinning machine of the present application operates, the first hydraulic pressure station transports hydraulic fluid into the oil storage cavity through the first oil extraction pipeline, and the hydraulic fluid in the oil storage cavity can lubricate the bearing mechanism to ensure the smooth high-speed rotation of the main shaft; during this process, the heat generated by the high-speed friction between the main shaft and the bearing mechanism can be transferred to the hydraulic fluid, achieving a heat dissipation effect. In addition, the hydraulic fluid in the oil storage cavity can return to the first hydraulic pressure station through the first oil extraction pipeline again. After filtering out impurities and cooling through the first cooling module inside the first hydraulic pressure station, the hydraulic fluid is transported back into the oil storage cavity again, enabling the cyclic oil supply in the oil storage cavity. By lubricating the main shaft in this way, the heat dissipation effect of the main shaft can be improved, and the possibility of the main shaft malfunctioning or being damaged can be reduced.

[0008] Optionally, the bearing mechanism includes a bearing seat, an upper end cover, a lower end cover, a first bearing group and a second bearing group. The bearing seat is fixed to the processing station through fasteners, the bottom end of the bearing seat is located in the oil storage cavity, and the first bearing group is fixedly installed inside the bearing seat; the upper end cover is fixed to the top of the bearing seat, and the upper end cover is provided with a first oil inlet hole for connecting the first oil supply pipeline; The second bearing group is fixedly installed on the processing station, and the second bearing group is located at the bottom of the oil storage cavity; the lower end cover is fixed to the processing station and is located below the second bearing group. The main shaft sequentially passes through the upper end cover, the first bearing group, the second bearing group and the lower end cover, and a sealing structure for improving the oil leakage situation is provided between the main shaft and the lower end cover.

[0009] By adopting the above technical solution, the settings of the first bearing group and the second bearing group are both beneficial to the smooth rotation of the main shaft during high-speed rotation. In the present application, by installing the first bearing group inside the bearing seat, when the main shaft needs to be removed for cleaning or maintenance, the fasteners at the connection position between the bearing seat and the processing station are directly removed, and the bearing seat and the first bearing group can be removed from the processing station together, which is also convenient for the maintenance and replacement of each bearing in the first bearing group to ensure the normal operation of the spinning machine.

[0010] Optionally, the sealing structure includes a side retaining seat fixed on the outer peripheral side of the main shaft, a sealing ring disposed between the side retaining seat and the main shaft, and a sealing ring strip installed between the side retaining seat and the lower end cover. The side retaining seat is key-connected to the main shaft, and the side retaining seat abuts against the bottom of the second bearing group.

[0011] By adopting the above technical solution, the setting of the sealing ring can improve the sealing effect between the side retaining seat and the main shaft, and the setting of the sealing ring strip can improve the sealing effect between the side retaining seat and the lower end cover. Therefore, when the oil fluid is stored in the oil storage cavity, it is not easy to leak downward. In addition, by key-connecting the side retaining seat to the main shaft, when the main shaft is removed from the bearing seat, through the externally applied force, the side retaining seat can abut against the second bearing group and make the second bearing group disengage from the processing station. Thus, the second bearing group can be removed together, which is beneficial for the operator to maintain and replace each bearing in the second bearing group, and further ensures the normal operation of the spinning machine.

[0012] Optionally, the processing station is provided with a preset groove for the matching installation of the second bearing group. The inner peripheral wall of the preset groove is partially provided with an embedding groove. Inside the embedding groove, there is a retaining ring plate. The retaining ring plate is fixed to the embedding groove through fasteners, and the inner peripheral wall of the retaining ring plate is flush with the inner peripheral wall of the preset groove; the outer peripheral surface of the second bearing group partially abuts against the retaining ring plate.

[0013] By adopting the above technical solution, when the main shaft needs to be removed, first remove the fasteners at the connection position between the retaining ring plate and the processing station, and take out the retaining ring plate from the embedding groove. At this time, the contact position between the second bearing group and the outer periphery is reduced, which facilitates the side retaining seat to abut against the second bearing group and enables the second bearing group to smoothly disengage from the preset groove, so as to facilitate the maintenance and replacement of each bearing in the second bearing group.

[0014] Optionally, the sealing ring strip includes a first connecting portion, a second connecting portion, and a third connecting portion arranged in sequence. Both the first connecting portion and the third connecting portion are perpendicularly arranged on the second connecting portion; the first connecting portion fits against the lower end cover, the third connecting portion fits against the side retaining seat, and the first connecting portion and the third connecting portion are spaced apart to form an oil storage groove, and the oil storage groove faces the second bearing group.

[0015] By adopting the above technical solution, after the oil fluid in the oil storage cavity passes through the second bearing group and lubricates the second bearing group, the oil fluid can enter the oil storage groove; the oil fluid in the oil storage groove can exert a force on the first connecting portion and the third connecting portion under the pressure of the upper oil fluid, thereby keeping the first connecting portion tightly against the lower end cover and the third connecting portion tightly against the side retaining seat, achieving a good sealing effect. In addition, if during the operation of the spinning machine and when the main shaft rotates at a high speed, when the third connecting portion deforms inward under force towards the direction close to the first connecting portion, the oil fluid inside the oil storage groove can be extruded upward, which can also assist in lubricating the second bearing group, and the flow of the oil fluid is beneficial to enhancing the heat dissipation effect of the main shaft and reducing the possibility of the main shaft malfunctioning or being damaged.

[0016] Optionally, the bottom of the third connecting portion is provided with a deformation notch for the third connecting portion to deform inward under pressure.

[0017] By adopting the above technical solution, a deformation notch is preset at the bottom of the third connecting portion. When the third connecting portion abuts against the side retaining seat, its bottom is more likely to deform towards the direction close to the first connecting portion. Through the lever principle, the top of the third connecting portion can be deformed towards the direction close to the first connecting portion, so that the third connecting portion remains tightly abutted against the side retaining seat, further improving the sealing effect between the third connecting portion and the side retaining seat.

[0018] Optionally, the thickness of the top of the third connecting portion is greater than the thickness of the bottom of the third connecting portion.

[0019] By adopting the above technical solution, by making the thickness of the top of the third connecting portion greater than the thickness of the bottom of the third connecting portion, the structural strength of the top of the third connecting portion is relatively large, which can reduce the possibility of the third connecting portion deforming towards the direction close to the first connecting portion when the main shaft rotates at a high speed and the third connecting portion is stressed, ensuring the tight abutment between the third connecting portion and the side retaining seat.

[0020] Optionally, a reinforcing ring convex for enhancing the support strength of the third connecting portion is provided on the side of the third connecting portion close to the first connecting portion.

[0021] By adopting the above technical solution, the setting of the reinforcing ring convex is also used to enhance the structural strength of the third connecting portion, which can reduce the possibility of local bending of the third connecting portion when the third connecting portion is subjected to the action of oil pressure, further ensuring the tight abutment between the third connecting portion and the side retaining seat.

[0022] Optionally, the large vertical spinning machine further includes: A spinning unit, which includes a lifting seat vertically slidably mounted on the cantilever seat, a spinning shaft rotatably connected to the lifting seat, and a spinning wheel rotatably connected to the bottom end of the spinning shaft. A power assembly for making it rotate is connected to the top end of the spinning shaft; a cavity is provided between the spinning shaft and the lifting seat, and a third bearing group is installed inside the cavity; a second oil inlet hole is provided at the top of the cavity, and a second oil outlet hole is provided at the bottom of the cavity; A second oil hydraulic system, which includes a second oil hydraulic station provided on the suspension seat, and a second cooling module is provided inside the second oil hydraulic station; the second oil hydraulic station is connected with a second oil supply pipeline and a second oil pumping pipeline. The end of the second oil supply pipeline far from the second oil hydraulic station is connected to the second oil inlet hole, and the end of the second oil pumping pipeline far from the second oil hydraulic station is connected to the second oil outlet hole.

[0023] By adopting the above technical solution, when the spinning machine is operating, the second oil pressure station delivers oil to the cavity through the second oil supply pipeline. The oil can lubricate the third bearing group to ensure the smooth high-speed rotation of the spinning shaft. The heat generated by the high-speed rotation of the spinning shaft is transferred to the oil, and the oil can return to the second oil pressure station through the second oil pumping pipeline. After filtering out impurities and cooling through the second cooling module, the oil is then re-delivered to the cavity, enabling circulating oil supply, improving the heat dissipation effect of the spinning shaft, and reducing the possibility of the spinning shaft malfunctioning or being damaged.

[0024] Optionally, a one-way bearing is installed between the spinning wheel and the spinning shaft.

[0025] By adopting the above technical solution, by installing a one-way bearing between the spinning wheel and the spinning shaft, when the spinning wheel moves downward and finally forces the blank to deform downward and abut against the fixture seat, by stopping the power assembly, at this time the spinning wheel can rotate together with the main shaft driven by the main shaft, which can play an energy-saving role and is beneficial to maintaining a good service life of the power assembly.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: 1. The oil is delivered to the oil storage cavity through the first oil supply pipeline to lubricate the bearing mechanism, and absorbs the heat generated by the high-speed friction between the main shaft and the bearing mechanism during high-speed rotation. Then it returns to the first oil pressure station through the first oil pumping pipeline, enabling circulating oil supply in the oil storage cavity, improving the heat dissipation effect of the main shaft, and reducing the possibility of the main shaft malfunctioning or being damaged; 2. By installing the first bearing group inside the bearing seat, when it is necessary to remove the main shaft for cleaning or maintenance, directly remove the fasteners at the connection position between the bearing seat and the processing station, and the bearing seat and the first bearing group can be removed from the processing station together, which is also convenient for the maintenance and replacement of each bearing in the first bearing group to ensure the normal operation of the spinning machine; 3. By setting the sealing ring strip, the oil storage groove formed between the first connecting portion and the third connecting portion can be used to store oil, and the acting force of the oil on the first connecting portion and the third connecting portion can keep the first connecting portion tightly abutted against the lower end cover and the third connecting portion tightly abutted against the side retaining seat, thus achieving a good sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is the overall structural schematic diagram of this embodiment; Figure 2 is the half-sectional structural schematic diagram of the fixture unit and the processing station in this embodiment; Figure 3 is Figure 2 the enlarged view of part A in Figure 4It is a schematic cross-sectional structure diagram of the sealing ring strip in this embodiment; Figure 5 It is a schematic half-sectional structure diagram of the spinning unit in this embodiment.

[0028] Explanation of reference numerals: 1. Machine tool assembly; 11. Bottom foundation; 12. Processing station; 121. Oil storage cavity; 122. Visual window plate; 123. Preset groove; 124. Embedded groove; 125. Retaining ring plate; 13. Suspension seat; 2. Fixture unit; 21. Spindle; 211. Fixture seat; 22. Rotary drive mechanism; 23. Second transmission wheel; 3. First oil hydraulic system; 31. First oil pressure station; 4. Spinning unit; 41. Lifting seat; 411. Cavity; 412. Second oil inlet hole; 413. Second oil outlet hole; 42. Spinning shaft; 43. Spinning wheel; 431. One-way bearing; 44. Linear drive module; 45. Third bearing group; 46. Power component; 5. Second oil hydraulic system; 51. Second oil pressure station; 6. Bearing mechanism; 61. Bearing seat; 611. Outer edge part; 62. Upper end cover; 621. First oil inlet hole; 63. Lower end cover; 64. First bearing group; 65. Second bearing group; 7. Sealing structure; 71. Side retaining seat; 72. Sealing ring; 73. Sealing ring strip; 731. First connecting part; 732. Second connecting part; 733. Third connecting part; 734. Oil storage groove; 735. Deformation notch; 736. Reinforcing ring convex. Detailed implementation manners

[0029] The following further Figures 1 - 5 describes the present application in detail with reference to the attached

[0030] The embodiment of the present application discloses a large vertical spinning machine.

[0031] Refer to Figure 1 , a large vertical spinning machine, including a machine tool assembly 1, a fixture unit 2, a first oil hydraulic system 3, a spinning unit 4 and a second oil hydraulic system 5; wherein, the machine tool assembly 1 includes a bottom foundation 11, a processing station 12 and a suspension seat 13, the processing station 12 is fixed in the middle of the bottom foundation 11, and the suspension station is fixedly installed on the bottom foundation 11 and above the processing station 12. In this embodiment, an oil storage cavity 121 for storing oil is opened inside the processing station 12, and a visual window plate 122 is detachably fixed on the side of the oil storage cavity 121, and the liquid level of the oil in the oil storage cavity 121 can be directly observed through the visual window plate 122.

[0032] At the same time, refer to Figure 2, the fixture unit 2 includes a main shaft 21 and a rotary drive mechanism 22. The main shaft 21 is rotatably installed on the machining station 12 through a bearing mechanism 6, and the bearing mechanism 6 is partially immersed in the oil in the oil storage chamber 121. The rotary drive mechanism 22 is set as a high-speed motor, which is fixed outside the machining station 12. The movable end of the rotary drive mechanism 22 is connected with a first transmission wheel, and the bottom end of the main shaft 21 is connected with a second transmission wheel 23 through a fastener. A transmission belt is sleeved between the first transmission wheel and the second transmission wheel 23, so that when the rotary drive mechanism 22 operates, it can drive the main shaft 21 to rotate, realizing the transmission connection between the rotary drive mechanism 22 and the main shaft 21. A fixture seat 211 for fixing the blank is arranged at the top of the main shaft 21, and the shape of the fixture seat 211 can be adaptively selected according to the shape of the workpiece to be obtained.

[0033] Among them, specifically referring to Figure 2 , the bearing mechanism 6 includes a bearing seat 61, an upper end cover 62, a lower end cover 63, a first bearing group 64 and a second bearing group 65. The outer edge of the top end of the bearing seat 61 is provided with an integrally formed outer edge portion 611, and the outer edge portion 611 is fixed to the top of the machining station 12 through a fastener. The bottom end of the bearing seat 61 enters the oil storage chamber 121. The upper end cover 62 is fixed to the outer edge portion 611 at the top end of the bearing seat 61, and a end hole is coaxially opened in the middle of the upper end cover 62. The main shaft 21 can pass through the end hole and enter the inside of the bearing seat 61. The first bearing group 64 includes several bearing components, and the bearing components are fixedly installed inside the bearing seat 61. The main shaft 21 can be matched and inserted into the inner rings of the bearing components, thereby realizing the rotational setting between the main shaft 21 and the bearing seat 61.

[0034] It should be noted here that the number of bearing components can be one, two or more than three. At the same time, the appropriate bearing type can also be selected according to actual needs, not limited to the way provided in this embodiment. Based on this, when it is necessary to maintain or replace the main shaft 21 and the first bearing group 64, by removing the fastener between the second transmission wheel 23 and the main shaft 21, and then removing the fastener between the outer edge portion 611 and the machining station 12, the main shaft 21, the bearing seat 61 and the first bearing group 64 can be conveniently removed from the machining station 12 to facilitate the operation on the first bearing group 64.

[0035] Referring to Figure 3, a preset groove 123 is formed on the inner bottom wall of the oil storage cavity 121 for the positioning and installation of the second bearing group 65; the second bearing group 65 also includes a number of bearing components. In this embodiment, the number of bearing components of the second bearing group 65 is one, but in other embodiments, the number of bearing components in the second bearing group 65 can also be two and they are jointly stacked and installed in the preset groove 123. A part of the inner peripheral wall of the preset groove 123 is provided with a fitting groove 124, and a retaining ring plate 125 is arranged inside the fitting groove 124. The retaining ring plate 125 is also fixed to the fitting groove 124 by fasteners. In the fixed state, the inner peripheral wall of the retaining ring plate 125 can be flush with the inner peripheral wall of the preset groove 123. At this time, a part of the bearing components of the second bearing group 65 can abut against the retaining ring plate 125.

[0036] The lower end cover 63 is fixed to the processing station 12 and is located below the oil storage cavity 121. After the main shaft 21 passes through the upper end cover 62 and the first bearing group 64, it can sequentially pass through the second bearing group 65 and the lower end cover 63; moreover, a sealing structure 7 is arranged between the main shaft 21 and the lower end cover 63 to improve the leakage of the oil fluid and ensure the cleanliness of the external environment of the spinning machine.

[0037] Specifically, the sealing structure 7 includes a side retaining seat 71, a sealing ring 72 and a sealing ring strip 73. The side retaining seat 71 is sleeved on the outer peripheral side of the main shaft 21 and is key-connected to the main shaft 21. The outer diameter of the side retaining seat 71 is set to be equal to the inner diameter of the lower end cover 63. When the main shaft 21 is installed on the processing station 12, the side retaining seat 71 can be located inside the lower end cover 63 in a matching manner, and the side retaining seat 71 can abut against the second bearing group 65. Based on this, when it is necessary to maintain or replace the main shaft 21 and each bearing component, first remove the retaining ring plate 125 from the fitting groove 124, and then force the main shaft 21 to move upward by an external force. The side retaining seat 71 can abut against the bearing components of the second bearing group 65 and lift them upward to facilitate the operation on the second bearing group 65.

[0038] The sealing ring 72 is embedded in the inner ring of the side retaining seat 71, which can improve the sealing effect between the side retaining seat 71 and the main shaft 21 after the side retaining seat 71 is fixedly sleeved on the main shaft 21; the sealing ring strip 73 is embedded between the side retaining seat 71 and the lower end cover 63 to enhance the sealing performance between the sealing ring strip 73 and the side retaining seat 71, thereby reducing the possibility of the oil fluid inside the oil storage cavity 121 leaking downward to the external environment.

[0039] Refer to Figure 4, the sealing ring strip 73 includes a first connecting portion 731, a second connecting portion 732, and a third connecting portion 733 that are sequentially arranged and integrally formed. The first connecting portion 731 and the third connecting portion 733 are both perpendicularly arranged on the same side of the second connecting portion 732; the first connecting portion 731 is located at the outer edge of the second connecting portion 732, and the third connecting portion 733 is located at the outer edge of the second connecting portion 732. There is a spacing between the first connecting portion 731 and the third connecting portion 733, and an oil storage groove 734 is formed therebetween. When the sealing ring strip 73 is installed between the side retaining seat 71 and the lower end cover 63, the first connecting portion 731 can be attached to the lower end cover 63, and the third connecting portion 733 can be attached to the side retaining seat 71; the oil storage groove 734 can face upward and be directly opposite to the rolling elements of the second bearing set 65 for storing the oil fluid passing through the second bearing set 65.

[0040] In this embodiment, the thickness of the top of the third connecting portion 733 is greater than the thickness of the bottom of the third connecting portion 733 to enhance the structural strength of its top. And a reinforcing ring convex 736 is provided on the side of the third connecting portion 733 close to the first connecting portion 731. The reinforcing ring convex 736 is also located at the top of the third connecting portion 733 to reduce the possibility of the third connecting portion 733 deforming or locally bending in the direction close to the first connecting portion 731 when the sealing ring strip 73 is in use, ensuring a tight abutment between the third connecting portion 733 and the side retaining seat 71.

[0041] In addition, a deformation notch 735 is provided at the bottom of the third connecting portion 733. The setting of the deformation notch 735 makes it easier for the bottom of the third connecting portion 733 to deform in the direction close to the first connecting portion 731. Through the lever principle, the top of the third connecting portion 733 can be deformed in the direction away from the first connecting portion 731, so that the third connecting portion 733 remains tightly abutted against the side retaining seat 71, further improving the sealing effect between the third connecting portion 733 and the side retaining seat 71.

[0042] Back to Figure 1 , the first oil fluid system 3 includes a first oil pressure station 31 provided on the top of the suspension seat 13. A first cooling module for temperature reduction is provided inside the first oil pressure station 31; a first oil supply pipeline and a first oil extraction pipeline are respectively connected to the same side of the first oil pressure station 31. At the same time, referring to Figure 2 , a through first oil inlet hole 621 is provided on the top of the upper end cover 62. The end of the first oil supply pipeline away from the first oil pressure station 31 is connected to the first oil inlet hole 621 for delivering the oil fluid between the main shaft 21 and the bearing seat 61; the end of the first oil extraction pipeline away from the first oil pressure station 31 is connected to the processing station 12 and communicates with the oil storage cavity 121 for pumping the oil fluid in the oil storage cavity 121 back to the first oil pressure station 31 again.

[0043] Moreover, a filtering component is provided inside the first oil pressure station 31, which can filter the oil fluid pumped back into the first oil pressure station 31, and cool the oil fluid through the first cooling module, so as to reduce the temperature of the oil fluid, facilitating the smooth removal of the heat of the main shaft 21 when the oil fluid is transported to the oil storage cavity 121 again, and reducing the possibility of the main shaft 21 malfunctioning or being damaged.

[0044] Refer to Figure 5 , the spinning unit 4 includes a lifting seat 41, a rotating shaft 42 and a spinning wheel 43. The lifting seat 41 is vertically slidably mounted on the suspension seat 13, and a linear driving module 44 is fixed to the top of the suspension seat 13. The lifting seat 41 is connected to the moving end of the linear driving module 44 for driving the lifting seat 41 to move up and down. A cavity 411 is provided inside the lifting seat 41, and a third bearing group 45 is installed inside the cavity 411. The third bearing group 45 includes multiple bearing components; the rotating shaft 42 is inclined and passes through each bearing component of the third bearing group 45, so that the rotating shaft 42 is rotatably mounted on the lifting seat 41, and the top end of the rotating shaft 42 is connected to a power component 46, and the power component 46 can drive the rotating shaft 42 to rotate around its own central axis.

[0045] Return to Figure 1 , the second oil fluid system 5 includes a second oil pressure station 51 provided on the top of the suspension seat 13. A second cooling module is provided inside the second oil pressure station 51 for reducing the temperature of the oil fluid; a second oil supply pipe and a second oil pumping pipe are respectively connected to the same side of the second oil pressure station 51. A second oil inlet hole 412 is opened at the top of the cavity 411, and a second oil outlet hole 413 is opened at the bottom of the cavity 411. The end of the second oil supply pipe away from the second oil pressure station 51 is connected to the second oil inlet hole 412, and the end of the second oil pumping pipe away from the second oil pressure station 51 is connected to the second oil outlet hole 413. Based on this, the oil fluid can circulate between the cavity 411 and the second oil pressure station 51, lubricating the third bearing group 45 and facilitating the reduction of the temperature of the rotating shaft 42.

[0046] The spinning wheel 43 is rotatably sleeved on the bottom end of the rotating shaft 42 away from it, and a one-way bearing 431 is provided between the spinning wheel 43 and the rotating shaft 42; when the spinning machine is operating, the linear driving module 44 drives the lifting seat 41 to gradually move down, and the power component 46 drives the rotating shaft 42 to rotate. At this time, the rotation allowable direction of the one-way bearing 431 is the same as the rotation direction of the rotating shaft 42, and the spinning wheel 43 can follow the rotating shaft 42 to rotate and gradually abut against the blank for extruding and forming the blank; as the lifting seat 41 gradually moves down and the spinning wheel 43 approaches the main shaft 21, at this time the power component 46 stops rotating, and the rotation direction of the main shaft 21 is opposite to the rotation allowable direction of the one-way bearing 431, so that when the main shaft 21 drives the blank to rotate, it can drive the spinning wheel 43 to rotate around its own central axis. Based on this, it can play an energy-saving role and is beneficial to maintaining a good service life of the power mechanism.

[0047] The above are the preferred embodiments of this application, and the protection scope of this application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of this application shall be covered within the protection scope of this application.

Claims

1. A large vertical spinning machine, characterized in that, include: A machine tool assembly (1), the machine tool assembly (1) comprising a bottom foundation (11), a processing station (12) fixed to the bottom foundation (11), and a suspension seat (13) mounted on the bottom foundation (11), wherein an oil storage chamber (121) for storing oil is provided inside the processing station (12); A fixture unit (2), the fixture unit (2) comprising a main shaft (21) and a rotary drive mechanism (22), the main shaft (21) being rotatably mounted on a processing station (12) via a bearing mechanism (6), and the bearing mechanism (6) being partially immersed in oil in an oil storage chamber (121); the main shaft (21) being provided with a fixture seat (211) for fixing a blank, and the rotary drive mechanism (22) being transmission-connected to the main shaft (21) for controlling the rotation of the main shaft (21); A first oil system (3), the first oil system (3) comprising a first oil pressure station (31) arranged on a suspension seat (13), a first cooling module for cooling being arranged inside the first oil pressure station (31); the first oil pressure station (31) being connected to a first oil delivery pipeline and a first oil extraction pipeline, one end of the first oil delivery pipeline away from the first oil pressure station (31) being connected to a bearing mechanism (6), and one end of the first oil extraction pipeline away from the first oil pressure station (31) being connected to a processing station (12) and being in communication with an oil storage chamber (121).

2. The large vertical spinning machine according to claim 1, characterized in that: The bearing mechanism (6) comprises a bearing seat (61), an upper end cover (62), a lower end cover (63), a first bearing group (64) and a second bearing group (65); the bearing seat (61) is fixed to the processing station (12) by means of fasteners; the bottom end of the bearing seat (61) is located in the oil storage chamber (121); the first bearing group (64) is fixedly mounted on the inner side of the bearing seat (61); the upper end cover (62) is fixed to the top end of the bearing seat (61); the upper end cover (62) is provided with a first oil inlet hole (621) for connecting a first oil delivery pipeline; The second bearing group (65) is fixedly mounted on the processing station (12), and the second bearing group (65) is located at the bottom of the oil storage chamber (121); the lower end cover (63) is fixed to the processing station (12) and is located below the second bearing group (65); the main shaft (21) is sequentially passed through the upper end cover (62), the first bearing group (64), the second bearing group (65) and the lower end cover (63), and a sealing structure (7) for improving oil leakage is provided between the main shaft (21) and the lower end cover (63).

3. The large vertical spinning machine according to claim 2, characterized in that: The sealing structure (7) comprises a side stop seat (71) fixed to the outer peripheral side of the main shaft (21), a sealing ring (72) arranged between the side stop seat (71) and the main shaft (21), and a sealing ring strip (73) installed between the side stop seat (71) and the lower end cover (63); the side stop seat (71) and the main shaft (21) are key-connected, and the side stop seat (71) abuts against the bottom of the second bearing group (65).

4. The large vertical spinning machine according to claim 3, wherein: The processing station (12) is provided with a preset groove (123) for the matching installation of the second bearing group (65). A fitting groove (124) is partially arranged on the inner peripheral wall of the preset groove (123). A retaining ring plate (125) is arranged inside the fitting groove (124). The retaining ring plate (125) is fixed to the fitting groove (124) through fasteners, and the inner peripheral wall of the retaining ring plate (125) is flush with the inner peripheral wall of the preset groove (123); a part of the outer peripheral surface of the second bearing group (65) abuts against the retaining ring plate (125).

5. The large vertical spinning machine according to claim 3, characterized in that: The sealing ring strip (73) includes a first connecting portion (731), a second connecting portion (732) and a third connecting portion (733) arranged in sequence. Both the first connecting portion (731) and the third connecting portion (733) are vertically arranged on the second connecting portion (732); the first connecting portion (731) is attached to the lower end cover (63), the third connecting portion (733) is attached to the side retaining seat (71), the first connecting portion (731) and the third connecting portion (733) are arranged at intervals and form an oil storage groove (734), and the oil storage groove (734) faces the second bearing group (65).

6. The large vertical spinning machine according to claim 5, wherein: A deformation notch (735) for the third connecting portion (733) to be pressed and deformed inward is arranged at the bottom of the third connecting portion (733).

7. The large vertical spinning machine according to claim 5, wherein: The thickness of the top of the third connecting portion (733) is greater than the thickness of the bottom of the third connecting portion (733).

8. The large vertical spinning machine according to claim 5, wherein: A reinforcing ring convex (736) for enhancing the support strength of the third connecting portion (733) is arranged on the side of the third connecting portion (733) close to the first connecting portion (731).

9. The large vertical spinning machine according to claim 1, wherein Further included are: A spinning unit (4), the spinning unit (4) includes a lifting seat (41) vertically and slidably installed on a suspension seat (13), a spinning shaft (42) rotatably connected to the lifting seat (41), and a spinning wheel (43) rotatably connected to the bottom end of the spinning shaft (42). A power assembly (46) for rotating it is connected to the top end of the spinning shaft (42); a cavity (411) is arranged between the spinning shaft (42) and the lifting seat (41), and a third bearing group (45) is installed inside the cavity (411); a second oil inlet hole (412) is arranged at the top of the cavity (411), and a second oil outlet hole (413) is arranged at the bottom of the cavity (411); A second oil liquid system (5), the second oil liquid system (5) includes a second oil pressure station (51) arranged on the suspension seat (13), and a second cooling module is arranged inside the second oil pressure station (51); the second oil pressure station (51) is connected with a second oil supply pipeline and a second oil pumping pipeline. One end of the second oil supply pipeline far away from the second oil pressure station (51) is connected to the second oil inlet hole (412), and one end of the second oil pumping pipeline far away from the second oil pressure station (51) is connected to the second oil outlet hole (413).

10. The large vertical spinning machine according to claim 9, wherein: A one-way bearing (431) is installed between the spinning wheel (43) and the spinning shaft (42).

Images