Spherical surface running-in machine

Abstract

The utility model discloses a spherical surface running-in machine which comprises an upper support mechanism, an oil distribution disc rotation mechanism, an oil distribution disc reciprocating motion mechanism, a cylinder body rotation mechanism, an oil distribution disc axial force mechanism and a base. The cylinder body autorotation mechanism and the oil distribution disc axial force mechanism are connected with the base, the upper end of the oil distribution disc axial force mechanism is connected with the oil distribution disc reciprocating motion mechanism, the upper end of the oil distribution disc reciprocating motion mechanism is connected with the upper support mechanism, and the oil distribution disc autorotation mechanism is hung on the upper support mechanism. A cylinder body and an oil distribution disc are placed between the oil distribution disc rotation mechanism and the cylinder body rotation mechanism, and the oil distribution disc reciprocating motion mechanism is connected with the oil distribution disc rotation mechanism. According to the utility model, the product quality and the production efficiency of the pump are greatly improved, and the batch production of the hydraulic pump is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing equipment technical field, and specifically is a spherical surface matching lapping machine. BACKGROUND

[0002] In the hydraulic pump, motor structure cylinder and oil distribution disc spherical surface is one of the most important friction pair in hydraulic pump. Two parts are spherical surface structure, cylinder as shown in Figure 1 , oil distribution disc as shown in Figure 2 , in the traditional process route, whether it is outer spherical surface or inner spherical surface, more with hand grinding as the final finishing process, and hand grinding has the disadvantages such as low efficiency and unstable quality, becomes the bottleneck of finishing process. At the same time, the precision level of part spherical surface matching will influence flow and pressure and other performance indexes, and even the wear between the two will reduce the efficiency and life of the whole pump, so the spherical surface processing method is crucial. Especially the abnormal wear problem of two friction pairs is serious, and it has a great influence on the oil pumping function and volumetric efficiency of the hydraulic pump, so that the overall qualified rate of the hydraulic pump friction pair is less than 10%, and batch production of the hydraulic pump cannot be realized. SUMMARY

[0003] In view of the above defects existing in the prior art, the utility model aims at providing a spherical surface matching lapping machine.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] On the one hand, the utility model provides a spherical surface matching lapping machine, including upper support mechanism, oil distribution disc self-rotation mechanism, oil distribution disc reciprocating motion mechanism, cylinder self-rotation mechanism, oil distribution disc axial force mechanism, base, the cylinder self-rotation mechanism, oil distribution disc axial force mechanism is connected with the base, the upper end of oil distribution disc axial force mechanism is connected with oil distribution disc reciprocating motion mechanism, the upper end of oil distribution disc reciprocating motion mechanism is connected with upper support mechanism, and the oil distribution disc self-rotation mechanism is hung on the upper support mechanism, and the oil distribution disc self-rotation mechanism and the cylinder self-rotation mechanism are used to place the cylinder and the oil distribution disc, and the oil distribution disc reciprocating motion mechanism is connected with the oil distribution disc self-rotation mechanism.

[0006] Further, the cylinder self-rotation mechanism includes cylinder shaft housing, the cylinder drive shaft is rotationally arranged in the cylinder shaft housing, the upper end of the cylinder drive shaft is provided with a driving disc, the driving disc is used to place the cylinder, and the lower end of the cylinder drive shaft is provided with a rotary input, which is used to connect a driving device.

[0007] Specifically, the oil distribution disc axial force mechanism includes an outer strut plate, and a linear drive mechanism is arranged in the outer strut plate.

[0008] Specifically, the base is connected with cylinder shaft housings of two cylinder self-rotation mechanisms, the outer support plate is connected with the base, and the oil distribution disc axial force mechanism is located at a symmetric point of the two cylinder self-rotation mechanisms.

[0009] Specifically, the oil distribution disc reciprocating motion mechanism comprises a guide outer shell, a connecting rod is slidably arranged in the guide outer shell, a second driving motor is connected with the upper end of the guide outer shell, and an output shaft of the second driving motor is connected with the connecting rod through a rotary linear conversion mechanism.

[0010] Specifically, the upper support mechanism comprises a vertical support and a horizontal frame, the horizontal frame is connected with the upper end of the vertical support, and the vertical support is located on a symmetric line of the horizontal frame; the lower end of the guide outer shell is connected with the upper end of a linear output shaft of a linear driving mechanism in the oil distribution disc axial force mechanism, and the lower end of the vertical support is connected with the upper end of the guide outer shell.

[0011] Specifically, the oil distribution disc self-rotation mechanism comprises a first driving motor, the upper end of the first driving motor is connected with the horizontal frame through a rotary mounting mechanism, the rotary direction of the rotary mounting mechanism is the same as the movement direction of the connecting rod in the oil distribution disc reciprocating motion mechanism, the lower end output shaft of the first driving motor is connected with an extension mechanism, and the lower end of the extension mechanism is connected with a pressing disc; the connecting rod is connected with the extension mechanism through a universal sleeve; the oil distribution disc self-rotation mechanism is provided with two, which are located at two ends of the horizontal frame; the oil distribution disc self-rotation mechanism corresponds to the cylinder self-rotation mechanism one by one, and the cylinder and the oil distribution disc are placed between the pressing disc and the driving disc.

[0012] Further, the vertical support is in a cylindrical shape, U-shaped supports are arranged at two ends of the horizontal frame, and the U-shaped supports are provided with first rotating pins.

[0013] Further, the oil distribution disc self-rotation mechanism comprises a first driving motor, a rotary mounting mechanism, an extension mechanism and a pressing disc.

[0014] Specifically, the rotary mounting mechanism comprises a driving motor shell and a driving motor upper cover, a first limiting ring is arranged at the lower end of the driving motor shell, the output shaft of the first driving motor is placed downward on the first limiting ring, the driving motor upper cover is connected with the driving motor shell, the driving motor upper cover is pressed against the first driving motor, a connecting lug is arranged at the upper end of the driving motor upper cover, and the connecting lug is rotationally connected with the first rotating pin.

[0015] Specifically, the extension mechanism comprises a pressing head top rod, a pressing head and a spring.

[0016] Specifically, the output shaft of the first driving motor is connected with the upper end of the pressure head top rod by inserting, the second limiting ring is arranged on the inner wall of the first limiting ring, the support ring is arranged on the outer wall of the upper end of the pressure head top rod, the support ring can be seated on the second limiting ring, the guide blind hole is arranged at the lower end of the pressure head top rod, the long slot penetrating in the radial direction is arranged at the lower end of the hole wall of the guide blind hole, the pressure head is inserted into the guide blind hole, the limiting pin is arranged on the outer wall of the pressure head, the limiting pin is located in the long slot, the spring is arranged between the pressure head and the hole bottom of the guide blind hole, the spring is in the compressed state, the anti-dropping ring is connected below the limiting pin on the outer wall of the pressure head top rod, the pressure head is connected with the pressure plate, and the round head pin is arranged on the pressure plate.

[0017] Further, the oil distribution disc reciprocating mechanism comprises a guide shell, a connecting rod, a second driving motor and a rotating linear conversion mechanism.

[0018] Specifically, the rotating linear conversion mechanism comprises a rotating disc, an eccentric block pin shaft, an eccentric driving block and a sliding block.

[0019] Specifically, the driving cavity is arranged at the upper end of the guide shell, the rotating disc is arranged in the driving cavity, the output shaft of the second driving motor is connected with the rotating disc through a key, the eccentric hole is arranged on the rotating disc, the eccentric block pin shaft is connected in the eccentric hole through the first positioning pin, the eccentric block pin shaft is rotatably inserted into the square hole of the eccentric driving block, the eccentric driving block is slidably arranged in the long slot on the sliding block, the direction of the long slot is perpendicular to the direction of the connecting rod, and the connecting rod is provided with two connecting rods connected with two ends of the sliding block.

[0020] Specifically, the universal sleeve comprises a spherical sleeve and a ball sleeve rod.

[0021] Specifically, one end of the connecting rod away from the rotating linear conversion mechanism is connected with the ball sleeve rod, the inner spherical surface is arranged at one end of the ball sleeve rod away from the connecting rod, the inner spherical surface is matched with the outer spherical surface of the spherical sleeve, the guide hole is arranged on the spherical sleeve, and the pressure head top rod of the oil distribution disc rotation mechanism passes through the guide hole.

[0022] Further, at least two eccentric holes with different distances from the center are arranged on the rotating disc, and the eccentric block pin shaft is connected with one eccentric hole.

[0023] Specifically, the guide shell comprises an upper support bottom plate, a sliding block guide block, an outer sliding block bottom plate and an inner sliding block bottom plate.

[0024] Specifically, the slider guide block is provided with two, the slider is arranged between the two slider guide blocks, the upper end of the two slider guide blocks is provided with an upper support bottom plate, the upper support bottom plate is provided with a driving cavity for placing a rotating disc, the upper end of the upper support bottom plate is connected with a second driving motor, the second driving motor is located in the vertical support, the lower end of the two slider guide blocks is provided with an inner slider bottom plate, the lower end of the inner slider bottom plate is provided with an outer slider bottom plate, the outer slider bottom plate is connected with an oil distribution disc axial force mechanism, and the two ends of the guide shell are provided with first dust covers.

[0025] Further, the cylinder rotation mechanism comprises a cylinder shaft shell, a cylinder driving shaft, a driving disc and a rotating input element.

[0026] Specifically, the inner wall of the cylinder shaft shell is connected with the cylinder driving shaft through a bearing, the upper end of the cylinder driving shaft is connected with the driving disc, the outer periphery of the upper end of the driving disc is provided with an annular anti-coming-off sleeve, and the upper end of the driving disc is provided with a workpiece positioning pin.

[0027] Specifically, the rotating input element is a belt wheel, and the lower end of the cylinder driving shaft is connected with the belt wheel.

[0028] Further, the oil distribution disc axial force mechanism comprises an outer support plate and a linear driving mechanism.

[0029] Specifically, the linear driving mechanism comprises a driving cylinder and a piston rod, the lower end of the driving cylinder is connected with a base, the piston rod is arranged in the driving cylinder, the piston rod is a linear output shaft, the upper end of the piston rod is connected with the guide shell, a cylinder end cover is arranged between the upper end of the piston rod and the driving cylinder, a gas port is arranged at the lower end of the cylinder, a sliding seat is arranged between the driving cylinder and the outer support plate, the upper end of the sliding seat is connected with the guide shell, a sliding groove is arranged in the inner wall of the outer support plate, and the sliding seat is provided with a protrusion which is slidably embedded in the sliding groove.

[0030] Compared with the prior art, the utility model has the following beneficial effects:

[0031] 1. The spherical surface combination rate of the cylinder and the oil distribution disc processed by the utility model reaches 80%-100%, the spherical surface roughness reaches Ra0.1-Ra0.3, the pump volume efficiency is greater than or equal to 98% and the leakage amount is less than or equal to 4L after a hydraulic pump assembly test, the problem of abnormal wear of the friction pair of the hydraulic pump is solved, the pump friction pair test qualified rate reaches 100%, the product quality and production efficiency of the pump are greatly improved, and batch production of the hydraulic pump is realized.

[0032] 2. The utility model realizes multi-piece processing, quick assembly and disassembly, spherical surface self-centering, production efficiency improvement of 50%, test qualified rate of 100%, high economic efficiency and high popularization. DRAWINGS

[0033] Figure 1 It is a structure schematic view of the cylinder body.

[0034] Figure 2 It is a structure schematic view of the oil distribution plate.

[0035] Figure 3 It is an outline view of the utility model.

[0036] Figure 4 It is a section schematic view of the utility model.

[0037] Figure 5 It is a structure schematic view of the upper support mechanism 1 in the utility model.

[0038] Figure 6 It is a structure schematic view of the oil distribution plate rotation mechanism in the utility model.

[0039] Figure 7 It is a structure schematic view of the oil distribution plate reciprocating motion mechanism in the utility model.

[0040] Figure 8 It is a structure schematic view of the cylinder body rotation mechanism in the utility model.

[0041] Figure 9 It is a structure schematic view of the oil distribution plate axial force mechanism in the utility model.

[0042] Figure 10 It is a test result of the cylinder body and the oil distribution plate processed by the utility model.

[0043] In the figure: 1 - upper support mechanism, 1.1 - horizontal frame, 1.2 - support shell, 1.3 - support cover plate, 1.4 - first rotating pin, 1.5 - shaft check ring.

[0044] 2 - oil distribution plate rotation mechanism, 2.1 - driving motor upper cover, 2.2 - second shell, 2.3 - first shell, 2.4 - driving motor gasket, 2.5 - support ring, 2.6 - pressure head top rod, 2.7 - spring, 2.8 - limit pin, 2.9 - pressure head, 2.10 - round head pin, 2.11 - pressure plate, 2.12 - first driving motor, 2.13 - second rotating pin.

[0045] 3 - oil distribution plate reciprocating motion mechanism, 3.1 - ball sleeve rod, 3.2 - spherical sleeve, 3.3 - first locking nut, 3.4 - connecting bolt, 3.5 - second locking nut, 3.6 - connecting rod, 3.7 - first dust cover, 3.8 - upper support bottom plate, 3.9 - sliding block guide block, 3.10 - outer sliding block bottom plate, 3.11 - inner sliding block bottom plate, 3.12 - rotating disc, 3.13 - eccentric block pin shaft, 3.14 - first positioning pin, 3.15 - second positioning pin, 3.16 - eccentric driving block, 3.17 - sliding block, 3.18 - second driving motor.

[0046] 4-cylinder self-rotating mechanism, 4.1-belt pulley, 4.2-limiting stop ring, 4.3-cylinder drive shaft, 4.4-drive shaft end cover, 4.5-connection key, 4.6-drive shaft locking nut, 4.7-cylinder shaft housing, 4.8-second dust cover, 4.9-driving disc, 4.10-workpiece positioning pin, 4.11-drive shaft gasket, 4.12-first bearing, 4.13-second bearing.

[0047] 5-oil distribution disc axial force mechanism, 5.1-outer strut plate, 5.2-sliding seat, 5.3-driving cylinder, 5.4-cylinder end cover, 5.5-piston rod.

[0048] 6-base, 7-cylinder, 8-oil distribution disc. DETAILED DESCRIPTION

[0049] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0050] Embodiment 1:

[0051] Please refer to Figures 3 to 9 The utility model provides a kind of spherical surface and research machine, including upper support mechanism 1, oil distribution disc self-rotating mechanism 2, oil distribution disc reciprocating mechanism 3, cylinder self-rotating mechanism 4, oil distribution disc axial force mechanism 5, the cylinder self-rotating mechanism 4, oil distribution disc axial force mechanism 5 are connected with base 6, the upper end of oil distribution disc axial force mechanism 5 is connected with oil distribution disc reciprocating mechanism 3, the upper end of oil distribution disc reciprocating mechanism 3 is connected with upper support mechanism 1, oil distribution disc self-rotating mechanism 2 is hung with oil distribution disc reciprocating mechanism 3, oil distribution disc reciprocating mechanism 3 is connected with oil distribution disc self-rotating mechanism 2, oil distribution disc reciprocating mechanism 3 realizes the reciprocating motion of oil distribution disc 8 by controlling the reciprocating motion of oil distribution disc self-rotating mechanism 2.

[0052] Further, the cylinder self-rotation mechanism 4 comprises a cylinder shaft housing 4.7, a cylinder driving shaft 4.3 is arranged in rotation in the cylinder shaft housing 4.7, a driving disc 4.9 is arranged at the upper end of the cylinder driving shaft 4.3, the driving disc is used to place a cylinder 7, a rotation input element is arranged at the lower end of the cylinder driving shaft 4.3, and the rotation input element is used to connect a driving device; the oil distribution disc axial force mechanism 5 comprises an outer strut plate 5.1, and a linear driving mechanism is arranged in the outer strut plate 5.1; the base 6 is fixedly connected with the cylinder shaft housings 4.7 of the two cylinder self-rotation mechanisms 4 through bolts, and the outer strut plate 5.1 is connected with the base 6 through bolts, and the oil distribution disc axial force mechanism 5 is located at the symmetry point of the two cylinder self-rotation mechanisms 4.

[0053] Further, the oil distribution disc reciprocating motion mechanism 3 comprises a guide outer shell, a connecting rod 3.6 is arranged in sliding in the guide outer shell, a second driving motor 3.18 is connected with the upper end of the guide outer shell, and the output shaft of the second driving motor 3.18 is connected with the connecting rod 3.6 through a rotation linear conversion mechanism; the upper support mechanism 1 comprises a vertical support and a horizontal frame 1.1, the horizontal frame 1.1 is connected with the upper end of the vertical support, and the vertical support is located on the symmetry line of the horizontal frame 1.1; the lower end of the guide outer shell is connected with the upper end of the linear output shaft of the linear driving mechanism in the oil distribution disc axial force mechanism 5 through bolts, and the lower end of the vertical support is connected with the upper end of the guide outer shell through bolts.

[0054] Further, the oil distribution disc self-rotation mechanism 2 comprises a first driving motor 2.12, the upper end of the first driving motor 2.12 is connected with the horizontal frame 1.1 through a rotation mounting mechanism, the rotation direction of the rotation mounting mechanism is the same as the movement direction of the connecting rod 3.6 in the oil distribution disc reciprocating motion mechanism 3, and the lower end output shaft of the first driving motor 2.12 is connected with an extension mechanism, the lower end of the extension mechanism is rotationally connected with a pressure disc 2.11, the rotation direction of the pressure disc 2.11 is the same as the movement direction of the connecting rod 3.6; the connecting rod 3.6 is connected with the extension mechanism through a universal sleeve; the oil distribution disc self-rotation mechanism 2 is provided with two, and is located at the two ends of the horizontal frame 1.1, the oil distribution disc self-rotation mechanism 2 corresponds to the cylinder self-rotation mechanism 4 in one-to-one, and the cylinder 7 and the oil distribution disc 8 are placed between the pressure disc 2.11 and the driving disc.

[0055] Embodiment 2:

[0056] On the basis of embodiment 1, the embodiment provides the upper support mechanism 1, the oil distribution disc self-rotation mechanism 2, the oil distribution disc reciprocating motion mechanism 3, the cylinder self-rotation mechanism 4, and the oil distribution disc axial force mechanism 5.

[0057] Further, the upper support mechanism 1 is a balance symmetry structure, the vertical support includes a support shell 1.2, a support cover plate 1.3, the support shell 1.2 is provided with two, respectively through bolt and horizontal frame 1.1 is connected, two support shell 1.2 with horizontal frame 1.1 is symmetrically distributed as a line of symmetry, the support cover plate 1.3 is provided with two, respectively through bolt and two support shell 1.2 side wall is connected, so that vertical support is cylindrical;The horizontal frame 1.1 both ends are provided with U-shaped support, the U-shaped support is provided with first rotating pin 1.4, the first rotating pin 1.4 is provided with shaft retaining ring 1.5.

[0058] Further, the oil distribution disc rotation mechanism includes a first drive motor 2.12, a rotating mounting mechanism, a telescopic mechanism, a pressure plate 2.11, the rotating mounting mechanism includes a drive motor housing, a drive motor upper cover 2.1, the drive motor housing lower end is provided with a first limit ring, the output shaft of the first drive motor 2.12 is placed downward on the first limit ring, the drive motor upper cover 2.1 and the drive motor housing are connected by bolts, the drive motor upper cover 2.1 is pressed to the first drive motor 2.12, the drive motor upper cover 2.1 upper end is provided with a connecting lug, the connecting lug is rotatably connected with the first rotating pin 1.4.

[0059] Further, the telescopic mechanism includes a pressure head top rod 2.6, a pressure head 2.9, a spring 2.7, the output shaft of the first drive motor 2.12 is connected with the upper end of the pressure head top rod 2.6, the inner wall of the first limit ring is provided with a second limit ring, the outer wall of the upper end of the pressure head top rod 2.6 is provided with a support ring 2.5, the support ring 2.5 can be seated on the second limit ring to prevent the pressure head top rod 2.6 from coming out, the lower end of the pressure head top rod 2.6 is provided with a guide blind hole, the hole wall of the guide blind hole is provided with a long slot penetrating in radial direction, the pressure head 2.9 is slidably inserted into the guide blind hole, the outer wall of the pressure head 2.9 is provided with a limit pin 2.8, the limit pin 2.8 is located in the long slot to limit the rotation of the pressure head 2.9, the spring 2.7 is arranged between the pressure head 2.9 and the hole bottom of the guide blind hole, the spring 2.7 is in compression state, the spring 2.7 pushes the pressure head 2.9 outward, the outer wall of the pressure head top rod 2.6 is threadedly connected with an anti-falling ring below the limit pin 2.8 to prevent the pressure head 2.9 from coming out, under the guidance of the guide blind hole and the action of the spring 2.7, the pressure head 2.9 can automatically displace in axial direction;The lower end of the pressure head 2.9 is provided with a ball head, the ball center of the ball head is rotatably connected with the pressure plate 2.11 through a second rotating pin 2.13, the ball head cooperates with the spherical surface on the pressure plate 2.11, the pressure plate 2.11 is provided with a circular head pin 2.10 penetrating in axial direction, the circular head pin 2.10 cooperates with the semicircular groove of the oil distribution disc 8 to realize the circumferential rotation action point of the oil distribution disc 8 and realize synchronous rotation.

[0060] Specifically, the output shaft of the first driving motor 2.12 is designed as a semicircular structure, and the upper end of the pressure head top rod is provided with a semicircular blind hole, thereby realizing plug-in connection, and the output shaft of the first driving motor 2.12 is sleeved with a driving motor gasket 2.4.

[0061] Specifically, the pressure plate 2.11 is in contact with the oil distribution plate 8, and the surface of the pressure plate 2.11 is designed with copper cladding to prevent the surface of the oil distribution plate 8 from being scratched.

[0062] Specifically, the driving motor shell includes a first shell 2.3 and a second shell 2.2, the lower end of the inner wall of the first shell 2.3 is provided with a first limiting ring, the lower end of the second shell 2.2 is threadedly connected with the upper end of the first shell 2.3, the second shell 2.2 is provided with a wiring port for wiring of the first driving motor 2.12, and the driving motor upper cover 2.1 is connected with the second shell 2.2 through four bolts to fix the first driving motor 2.12.

[0063] Further, the oil distribution plate reciprocating mechanism 3 includes a guide housing, a connecting rod 3.6, a second driving motor 3.18, and a rotary-linear conversion mechanism, the rotary-linear conversion mechanism includes a rotary disc 3.12, an eccentric block pin shaft 3.13, an eccentric driving block 3.16, and a sliding block 3.17, the upper end of the guide housing is provided with a driving cavity, the rotary disc 3.12 is arranged in the driving cavity, the rotary disc 3.12 is connected with the output shaft of the second driving motor 3.18 through a key, the rotary disc 3.12 is provided with an eccentric hole, the eccentric hole is connected with the eccentric block pin shaft 3.13 through a first positioning pin 3.14, the eccentric block pin shaft 3.13 is rotatably inserted into the square eccentric driving block 3.16, the eccentric driving block 3.16 is slidably arranged in a long slot on the sliding block 3.17, the direction of the long slot is perpendicular to the direction of the connecting rod 3.6, the connecting rod 3.6 is provided with two, and the two connecting rods 3.6 are respectively connected with the two ends of the sliding block 3.17 through threaded heads; the second driving motor 3.18 drives the rotary disc 3.12 to rotate, the rotation of the rotary disc 3.12 is converted into the sliding of the eccentric driving block 3.16 along the long slot and the sliding of the eccentric driving block 3.16 and the sliding block 3.17 along the guide housing, thereby enabling the connecting rod 3.6 to reciprocate.

[0064] Further, the universal sleeve includes a spherical sleeve 3.2 and a ball sleeve rod 3.1, one end of the connecting rod 3.6 away from the rotary-linear conversion mechanism is connected with the ball sleeve rod 3.1 through a connecting bolt 3.4, one end of the ball sleeve rod 3.1 away from the connecting rod 3.6 is provided with an inner spherical surface, the inner spherical surface cooperates with the outer spherical surface of the spherical sleeve 3.2, the spherical sleeve 3.2 is provided with a guide hole, and the pressure head top rod 2.6 of the oil distribution plate autorotation mechanism 2 passes through the guide hole, so that the oil distribution plate reciprocating mechanism 3 can drive the oil distribution plate autorotation mechanism 2 to swing around the first rotating pin 1.4.

[0065] Specifically, the rotating disc 3.12 is provided with four eccentric holes at different distances from the center, and the eccentric block pin shaft 3.13 is connected with one of the eccentric holes, so that the oil distribution disc reciprocating mechanism 3 has the ability to set the reciprocating distance.

[0066] Specifically, the guide shell includes an upper support bottom plate 3.8, two slider guide blocks 3.9, an outer slider bottom plate 3.10, and an inner slider bottom plate 3.11. The slider guide blocks 3.9 are arranged between the two slider guide blocks 3.9, and the slider 3.17 is arranged between the two slider guide blocks 3.9. The upper support bottom plate 3.8 is arranged at the upper end of the two slider guide blocks 3.9, and the upper support bottom plate 3.8 is arranged with a driving cavity for placing the rotating disc 3.12. The upper support bottom plate 3.8 is connected with the second driving motor 3.18 through a bolt at the upper end. The inner slider bottom plate 3.11 is arranged at the lower end of the two slider guide blocks 3.9, and the outer slider bottom plate 3.10 is arranged at the lower end of the inner slider bottom plate 3.11. The outer slider bottom plate 3.10 is connected with the oil distribution disc axial force mechanism 5. The upper support bottom plate 3.8, the slider guide blocks 3.9, and the inner slider bottom plate 3.11 are positioned by the second positioning pin 3.15. The upper support bottom plate 3.8, the slider guide blocks 3.9, the inner slider bottom plate 3.11, and the outer slider bottom plate 3.10 are connected by long bolts. The two ports of the guide shell are provided with first dust covers 3.7 to prevent dust from entering the guide shell.

[0067] Specifically, the second driving motor 3.18 is located inside the vertical support, and the second driving motor 3.18 is connected with the upper support bottom plate 3.8 through a bolt. The shell body 1.2 is connected with the upper support bottom plate 3.8 through a bolt.

[0068] Specifically, the connecting bolt 3.4 is a hexagonal double-headed bolt, and the two studs of the hexagonal double-headed bolt are respectively provided with a first locking nut 3.3 and a second locking nut 3.5. The first locking nut 3.3 is used to adjust the connection length of the connecting rod 3.6 and the connecting bolt 3.4, and is used to lock the connecting rod 3.6. The second locking nut 3.5 is used to adjust the connection length of the ball sleeve rod 3.1 and the connecting bolt 3.4, and is used to lock the ball sleeve rod 3.1.

[0069] Further, the cylinder self-rotation mechanism 4 comprises a cylinder shaft housing 4.7, a cylinder driving shaft 4.3, a driving disc 4.9, and a rotation input part. The inner wall of the cylinder shaft housing 4.7 is connected with a first bearing 4.12 and a second bearing 4.13 through a shoulder interference. The cylinder driving shaft 4.3 is connected with the inner rings of the first bearing 4.12 and the second bearing 4.13 and is positioned through a shoulder. The upper end of the cylinder driving shaft 4.3 is connected with the driving disc 4.9. The upper end of the driving disc 4.9 is provided with an annular anti-escape sleeve on the outer periphery to prevent the cylinder 7 from escaping. The upper end of the driving disc 4.9 is provided with three workpiece positioning pins 4.10 which are uniformly distributed in the circumferential direction to realize the positioning of the cylinder 7. The rotation input part is a pulley 4.1. The lower end of the cylinder driving shaft 4.3 is connected with the pulley 4.1 through a connecting key 4.5 and a limiting check ring 4.2. The pulleys 4.1 in the two cylinder self-rotation mechanisms 4 are connected with an electric belt. A driving pulley connected with a driving device is connected with the electric belt to realize the synchronous rotation of the two cylinder self-rotation mechanisms 4.

[0070] Specifically, the first bearing 4.12 and the second bearing 4.13 are angular contact ball bearings. The first bearing 4.12 is located below the second bearing 4.13. The cylinder driving shaft 4.3 is threadedly connected with a driving shaft locking nut 4.6 below the first bearing 4.12. A driving shaft gasket 4.11 is arranged between the driving shaft locking nut 4.6 and the inner ring of the first bearing 4.12. The driving shaft locking nut 4.6 and the driving shaft gasket 4.11 realize the axial compression of the inner ring of the first bearing 4.12. The lower end of the cylinder shaft housing 4.7 is connected with a driving shaft end cover 4.4 through bolts. The driving shaft end cover 4.4 compresses the outer ring of the first bearing 4.12. The second bearing 4.13 is seated in the upward shoulder of the inner wall of the cylinder shaft housing 4.7.

[0071] Specifically, a second dust cover 4.8 is arranged between the cylinder shaft housing 4.7 and the driving disc 4.9 to prevent dust from entering the bearings.

[0072] Further, the oil distribution disc axial force mechanism 5 comprises an outer strut plate 5.1, a linear drive mechanism, the linear drive mechanism comprising a drive cylinder 5.3, the lower end of the drive cylinder 5.3 being bolted to the base 6, a piston rod 5.5 being arranged in the drive cylinder 5.3, the upper end of the piston rod 5.5 being bolted to the outer sliding block bottom plate 3.10, a cylinder end cover 5.4 being arranged between the upper end of the piston rod 5.5 and the drive cylinder 5.3 to stabilize the movement of the piston rod 5.5, a gas port being arranged at the lower end of the drive cylinder 5.3, a sliding seat 5.2 being arranged between the drive cylinder 5.3 and the outer strut plate 5.1, the upper end of the sliding seat 5.2 being bolted to the outer sliding block bottom plate 3.10, a sliding groove being arranged on the inner wall of the outer strut plate 5.1, the sliding seat 5.2 being arranged with a protrusion to be slidably embedded in the sliding groove; during operation, compressed air pushes the piston rod 5.5 in the drive cylinder 5.3 to reciprocate up and down, thereby realizing the up and down movement of the oil distribution disc reciprocating mechanism 3, the cylinder end cover 5.4 and the sliding seat 5.2 play a guiding and stabilizing role, and the outer strut plate 5.1 is used for guiding and rigidly supporting when idle.

[0073] Embodiment 3:

[0074] On the basis of embodiment 2, a new type of spherical surface lapping machine is used to process two pieces of equipment at a time, thereby improving the processing efficiency and quality stability of the products.

[0075] The working process is as follows:

[0076] Place the two cylinder bodies 7 with the spherical surfaces upward, put the cylinder body 7 plunger hole into the workpiece positioning pin 4.10 of the driving disc 4.9, place the oil distribution disc 8 with the spherical surface downward on the spherical surface of the cylinder body 7, slowly lower the oil distribution disc self-rotation mechanism 2 by the oil distribution disc axial force mechanism 5, and put the round head pin 2.10 of the pressure plate 2.11 into the semicircular groove in the flat surface of the oil distribution disc 8.

[0077] Start the oil distribution disc axial force mechanism 5 to compress the spring 2.7 and load the axial force, press the spherical surface of the oil distribution disc 8 into the spherical surface of the cylinder body 7, so that the distance between the center of the first rotating pin 1.4 and the spherical surface is equal to the radius of the spherical surface, spray the lapping liquid, start the cylinder body self-rotation mechanism 4, start the oil distribution disc self-rotation mechanism 2, start the oil distribution disc reciprocating mechanism 3, start processing, stop the oil distribution disc reciprocating mechanism 3 when the processing is completed, stop the oil distribution disc self-rotation mechanism 2 and the cylinder body self-rotation mechanism 4, raise the oil distribution disc self-rotation mechanism 2, and take out the cylinder body 7 and the oil distribution disc 8.

[0078] After the cylinder body 7 and the oil distribution disc 8 processed by the present patent are assembled and tested for 100 hours, the volume efficiency and leakage amount are measured as shown in Table 1. Figure 10

[0079] In this application, all parts that are not discussed in detail, the connection methods of the parts in this application all belong to the known technology in the technical field. Direct application is available, and no further description is needed.​

[0080] In the present application, the term "a plurality of" means two or more, unless otherwise expressly specified. The terms "mounting", "connected", "connecting", "fixed", and the like should be understood broadly, for example, "connected" can be fixed connection, or detachable connection, or integrally connected; "connected" can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0081] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", "front", "back" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or unit referred to must have a particular direction, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application.

[0082] In the description of the present application, the terms "one embodiment", "some embodiments", "a specific embodiment" and the like mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0083] The above is only the preferred embodiment of the present application, and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A spherical lapping machine characterized by comprising: The application relates to a cylinder body self-rotation mechanism, an oil distribution disc axial force mechanism, a base, an oil distribution disc reciprocating motion mechanism and an upper support mechanism. The cylinder body self-rotation mechanism, the oil distribution disc axial force mechanism and the base are connected, the upper end of the oil distribution disc axial force mechanism is connected with the oil distribution disc reciprocating motion mechanism, the upper end of the oil distribution disc reciprocating motion mechanism is connected with the upper support mechanism, the upper support mechanism is hung with the oil distribution disc self-rotation mechanism, and the oil distribution disc self-rotation mechanism and the cylinder body self-rotation mechanism are used for placing the cylinder body and the oil distribution disc.

2. A spherical lapping machine according to claim 1, characterized in that The cylinder body self-rotation mechanism comprises a cylinder body shaft housing, a cylinder body driving shaft is arranged in the cylinder body shaft housing and rotates, a driving disc is arranged at the upper end of the cylinder body driving shaft and used for placing the cylinder body, and a rotating input element is arranged at the lower end of the cylinder body driving shaft and used for connecting a driving device. The oil distribution disc axial force mechanism comprises an outer support plate, and a linear driving mechanism is arranged in the outer support plate. The base is connected with the cylinder body shaft housings of the two cylinder body self-rotation mechanisms, the outer support plate is connected with the base, and the oil distribution disc axial force mechanism is located at the symmetry point of the two cylinder body self-rotation mechanisms. The oil distribution disc reciprocating motion mechanism comprises a guide outer shell, a connecting rod is slidably arranged in the guide outer shell, a second driving motor is connected with the upper end of the guide outer shell, and the output shaft of the second driving motor is connected with the connecting rod through a rotating linear conversion mechanism. The upper support mechanism comprises a vertical support and a horizontal frame, the horizontal frame is connected with the upper end of the vertical support, and the vertical support is located on the symmetry line of the horizontal frame; the lower end of the guide outer shell is connected with the upper end of the linear output shaft of the linear driving mechanism in the oil distribution disc axial force mechanism, and the lower end of the vertical support is connected with the upper end of the guide outer shell. The oil distribution disc self-rotation mechanism comprises a first driving motor, the upper end of the first driving motor is connected with the horizontal frame through a rotating hanging mechanism, the rotating direction of the rotating hanging mechanism is the same as the movement direction of the connecting rod in the oil distribution disc reciprocating motion mechanism, the lower end output shaft of the first driving motor is connected with an extension mechanism, and the lower end of the extension mechanism is connected with a pressing disc; the connecting rod is connected with the extension mechanism through a universal sleeve; two oil distribution disc self-rotation mechanisms are arranged at the two ends of the horizontal frame, the oil distribution disc self-rotation mechanisms correspond to the cylinder body self-rotation mechanisms one by one, and the pressing disc and the driving disc are used for placing the cylinder body and the oil distribution disc.

3. A spherical lapping machine according to claim 2, wherein The vertical support is in a cylindrical shape, U-shaped supports are arranged at the two ends of the horizontal frame, and the U-shaped supports are penetrated by first rotating pins.

4. A spherical lapping machine according to claim 3, wherein The oil distribution disc self-rotation mechanism comprises a first driving motor, a rotating hanging mechanism, an extension mechanism and a pressing disc. The rotating hanging mechanism comprises a driving motor shell, a driving motor upper cover, a first limiting ring is arranged at the lower end of the driving motor shell, the downwardly placed output shaft of the first driving motor is arranged on the first limiting ring, the driving motor upper cover is connected with the driving motor shell, the driving motor upper cover is used for pressing the first driving motor, a connecting lug is arranged at the upper end of the driving motor upper cover, and the connecting lug is rotationally connected with the first rotating pin. The extension mechanism comprises a pressing head top rod, a pressing head and a spring. The output shaft of the first driving motor is connected with the upper end of the pressure head top rod by inserting, the second limiting ring is arranged on the inner wall of the first limiting ring, the support ring is arranged on the outer wall of the upper end of the pressure head top rod, the support ring can be seated on the second limiting ring, the guide blind hole is arranged on the lower end of the pressure head top rod, the long groove penetrating in the radial direction is arranged on the lower end of the hole wall of the guide blind hole, the pressure head is inserted into the guide blind hole, the limiting pin is arranged on the outer wall of the pressure head, the limiting pin is located in the long groove, the spring is arranged between the pressure head and the hole bottom of the guide blind hole, the spring is in the compressed state, the anti-dropping ring is connected below the limiting pin on the outer wall of the pressure head top rod, the pressure head is connected with the pressure plate, and the circular head pin is arranged on the pressure plate.

5. A spherical lapping machine according to claim 4, wherein The oil distribution disc reciprocating mechanism comprises a guide shell, a connecting rod, a second driving motor and a rotary linear conversion mechanism; The rotary linear conversion mechanism comprises a rotary disc, an eccentric block pin shaft, an eccentric driving block and a sliding block; The upper end of the guide shell is provided with a driving cavity, the rotary disc is arranged in the driving cavity, the rotary disc is connected with the output shaft of the second driving motor through a key, an eccentric hole is arranged on the rotary disc, the eccentric block pin shaft is connected with the eccentric hole through a first positioning pin, the eccentric block pin shaft is rotatably inserted into the inner hole of the square eccentric driving block, the eccentric driving block is slidably arranged in the long slot on the sliding block, the direction of the long slot is perpendicular to the direction of the connecting rod, and the connecting rod is provided with two connecting rods which are respectively connected with two ends of the sliding block; The universal sleeve comprises a spherical sleeve and a ball sleeve rod; One end of the connecting rod away from the rotary linear conversion mechanism is connected with the ball sleeve rod, the other end of the ball sleeve rod away from the connecting rod is provided with an inner spherical surface, the inner spherical surface is matched with the outer spherical surface of the spherical sleeve, the spherical sleeve is provided with a guide hole, and the pressure head top rod of the oil distribution disc rotation mechanism penetrates through the guide hole.

6. A spherical lapping machine according to claim 5, wherein At least two eccentric holes with different distances from the center are arranged on the rotary disc, and the eccentric block pin shaft is connected with one eccentric hole; The guide shell comprises an upper support bottom plate, a sliding block guide block, an outer sliding block bottom plate and an inner sliding block bottom plate; The sliding block guide block is provided with two sliding block guide blocks, the sliding block is arranged between the two sliding block guide blocks, the upper end of the two sliding block guide blocks is provided with the upper support bottom plate, the upper support bottom plate is provided with the driving cavity for placing the rotary disc, the upper end of the upper support bottom plate is connected with the second driving motor, the second driving motor is located in the vertical support, the lower end of the two sliding block guide blocks is provided with the inner sliding block bottom plate, the lower end of the inner sliding block bottom plate is provided with the outer sliding block bottom plate, the outer sliding block bottom plate is connected with the oil distribution disc axial force mechanism, and the two ports of the guide shell are provided with the first dust cover.

7. A spherical lapping machine according to claim 5, wherein The cylinder body rotation mechanism comprises a cylinder body shaft shell, a cylinder body driving shaft, a driving disc and a rotary input; The cylinder body driving shaft is connected with the cylinder body driving shaft through a bearing on the inner wall of the cylinder body shaft shell, the upper end of the cylinder body driving shaft is connected with the driving disc, the outer periphery of the upper end of the driving disc is provided with an annular anti-dropping sleeve, and the upper end of the driving disc is provided with a workpiece positioning pin; The rotary input is a belt wheel, and the lower end of the cylinder body driving shaft is connected with the belt wheel.

8. A spherical lapping machine according to claim 7, characterized in that The oil distribution disc axial force mechanism comprises an outer support plate and a linear driving mechanism. The linear drive mechanism comprises a drive cylinder, a piston rod, the lower end of the drive cylinder is connected with the base, the piston rod is arranged in the drive cylinder, the piston rod is a linear output shaft, the upper end of the piston rod is connected with a guide shell, a cylinder end cover is arranged between the upper end of the piston rod and the drive cylinder, a gas port is arranged at the lower end of the drive cylinder, a sliding seat is arranged between the drive cylinder and an outer strut plate, the upper end of the sliding seat is connected with the guide shell, a sliding groove is arranged in the inner wall of the outer strut plate, and the sliding seat is provided with a protrusion which is slidably embedded in the sliding groove.

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