Double-groove bearing double-sided pressure protection device and method

Abstract

The present invention relates to the field of bearing processing, and in particular to a double-sided pressure-protection device and method for a double-groove bearing, comprising an operating table, wherein a feeding mechanism and a discharging mechanism are respectively arranged on both sides of the operating table, a sliding guide rail is also arranged on the upper end surface of the operating table, and a loading plate is slidably arranged on the sliding guide rail, and a clamping piece for clamping the bearing is arranged on the loading plate, and two symmetrically distributed ball collecting mechanisms are also arranged on the end surface of the operating table, and a pressure-protection unit located on one side of the corresponding ball collecting mechanism is also symmetrically arranged on the end surface of the operating table, and a flipping mechanism for driving the bearing to flip 180 degrees is also arranged on one side of the pressure-protection unit. The present invention realizes automatic assembly of bearings through the feeding mechanism, the ball collecting mechanism, the pressure-protection unit and the discharging mechanism, and can also flip the bearing 180 degrees through the flipping mechanism, so that both ends of the double-groove bearing can be installed with balls and retainers, thereby reducing manual operations and improving the production efficiency of the bearings.

Description

Technical Field

[0001] The invention relates to the field of bearing processing, and in particular to a double-groove bearing double-sided pressure protection device and method. Background Art

[0002] Double groove bearings are rolling bearings that are designed with two raceways on the same bearing inner and outer rings, each raceway is equipped with a row of balls; this design enables double groove bearings to withstand greater radial loads and certain axial loads, and in some cases can also provide higher rigidity and stability.

[0003] A double-groove bearing consists of an outer ring, an inner ring, balls and a cage. In the prior art, the balls are usually installed between the inner ring and the outer ring first, and then the bearing is manually placed on an external mounting device, and the cage is installed on both sides of the bearing, which makes the cage installation efficiency too low. Even if a corresponding cage installation device is used to install the cage in a few production processes, it cannot be coordinated with the bearing assembly line. It is necessary to manually place the assembled bearing on the mounting device first, and then install the cage on the bearing through the mounting device. This process takes a certain amount of time, and after the bearing is placed on the mounting device, it is still necessary to manually align the bearing with the cage on the mounting device, and manual placement cannot guarantee the installation accuracy of the cage.

[0004] With the advancement of science and technology, technicians in related fields have also optimized the process of bearing pressure retention. In order to make a more accurate comparison, for example, Chinese patent publication number CN101078423A discloses a bearing cage installation machine.

[0005] It includes an automatic transmission installed in a frame and driven by a motor, the automatic transmission is connected to a push rod installed on the frame, a lower mold is installed on the push rod, and an upper mold installed on a support frame is arranged above the lower mold. Through the above device, the retaining frame is driven by the two molds to be installed on the bearing, and the retaining frame is quickly installed to reduce the labor of personnel.

[0006] However, when the above-mentioned prior art is used to install and press the bearing, the following problems still exist:

[0007] 1. Although the above-mentioned prior art can evenly arrange the balls in the bearing by rotating the mold and then install the retaining frame on the bearing, the balls roll in the inner and outer rings. After the mold stops rotating, the balls will still roll a certain distance due to the inertia force, and the spacing between the balls will also change accordingly. Therefore, it cannot be ensured that the spacing is the same. During the descent of the retaining frame, the protrusions on the retaining frame will still contact the deviated balls, that is, two protrusions can limit one ball. If the spacing between the two balls is short, and if the two protrusions on the retaining frame contact the two balls, the protrusions will collide with the two balls and be damaged.

[0008] 2. In the above-mentioned prior art, when pressing the retainer, the retainer is directly pressed onto the bearing. When pressure is applied to the retainer, a portion of the retainer will enter between the inner and outer rings, but the outer side of the retainer may be subjected to a reverse force and protrude to the outside of the bearing. In this way, when pressure is applied to the retainer again, the retainer may be damaged or deformed, resulting in the retainer being unable to fully enter the bearing.

[0009] Therefore, based on the above-stated viewpoints, there is still room for optimization in the installation method of the bearing retainer in the prior art. Summary of the invention

[0010] In order to solve the above problems, the present invention provides a double-groove bearing double-sided pressure-protection device, including an operating table, a feeding mechanism and a discharging mechanism are respectively arranged on both sides of the operating table, a sliding guide rail is also arranged on the upper end surface of the operating table, and a loading plate is slidably arranged on the sliding guide rail, and a clamping member for clamping the bearing is arranged on the loading plate, and two symmetrically distributed ball collecting mechanisms are also arranged on the end surface of the operating table, which are used to respectively install balls on both sides of the bearing, and a pressure-protection unit located on one side of the corresponding ball collecting mechanism is also symmetrically arranged on the end surface of the operating table, which is used to respectively install the retaining frame to both sides of the bearing, and a flipping mechanism for driving the bearing to flip 180 degrees is also arranged on one side of the pressure-protection unit.

[0011] The pressure-keeping unit includes a support plate arranged on the operating table, and a sliding plate is arranged on the support plate by means of a guide rail connection, and a compression cylinder is also arranged on the sliding plate by means of a guide rail connection. A main cylinder is arranged at the lower end of the compression cylinder and is connected to the main cylinder, and a pressure-keeping component for adsorbing the retaining frame is arranged in the main cylinder.

[0012] Preferably, the pressure-protecting component also includes a sleeve rotatably arranged in the main cylinder, a plurality of air guide grooves distributed around its axis are opened inside the sleeve, and one end of the plurality of air guide grooves extends to the upper end of the sleeve and passes through its outer wall, and the other end of the air guide groove passes through the lower end of the sleeve, an annular plate is rotatably arranged on the upper end of the sleeve, and a reset tension spring is jointly arranged between the annular plate and the inner wall of the main cylinder.

[0013] Preferably, two annular grooves are provided inside the sleeve, an annular ring is slidably provided in the annular groove, and one side of the annular ring extends out of the annular groove to correspond to the air guide groove, and a push spring rod is provided between the annular ring and the corresponding inner wall of the annular groove.

[0014] Preferably, the inner wall of the main cylinder is provided with several arc grooves distributed along its axis, and the sleeve is provided with several sliding cavities corresponding to the arc grooves and passing through the inner and outer diameters of the sleeve. A clamping part is provided in the sliding cavity, and the clamping part includes several limiting grooves provided in the sleeve and corresponding to and passing through the sliding cavity one by one. A clamping plate is slidably provided in the sliding cavity, and one side of the clamping plate extends into the limiting groove, a reset push spring is provided between the inner wall of the limiting groove and the clamping plate, and one side of the clamping plate is provided with an arc plate located in the corresponding arc groove.

[0015] Preferably, a resistance member is also provided inside the sleeve to drive the balls in the bearing to be evenly arranged, and the resistance member includes a sliding cylinder slidably arranged in the sleeve, and the inner wall of the sleeve is provided with a plurality of strip grooves corresponding to and passing through the arc groove, and one side of the clamping plate is located in the corresponding strip groove, and the outer diameter of the sliding cylinder is provided with a plurality of strip blocks located in the corresponding strip groove, and a resistance ring is provided at the lower end of the sliding cylinder, and a plurality of resistance teeth distributed around its axis are provided at the lower end of the resistance ring.

[0016] Preferably, one end of the sliding cylinder located in the sleeve is provided with several bending plates corresponding to the clamping plate, and the bent end of the bending plate slides through one side of the corresponding clamping plate, and a pushing spring is also provided between the bending plate and the corresponding strip groove.

[0017] Preferably, an extension plate is also provided on one side of the support plate, and a calibration piece for calibrating the interference ring is provided on the extension plate. The calibration piece includes a support ring arranged on the extension plate, and the support ring is provided with a plurality of insertion grooves evenly distributed along its axis, and the insertion grooves correspond to the interference teeth.

[0018] In addition, the present invention also provides a double-groove bearing double-sided pressure protection method, comprising the following steps:

[0019] S1, material preparation: install the bearings into the feeding mechanism in sequence, place the bearings on the clamping parts through the feeding mechanism, and clamp the bearings through the clamping parts, and then the carrier plate drives the clamping parts to move under the limit of the sliding guide rail.

[0020] S2, bearing ball installation: the clamping part drives the bearing to correspond to the ball collecting mechanism, and then the ball collecting mechanism installs the ball to the upper end of the bearing, and finally the clamping part removes the bearing from the ball collecting mechanism.

[0021] S3, support frame installation: the clamping part then drives the bearing to correspond to the pressure-keeping unit, and then the pressure-keeping unit drives the pressure-keeping part to first absorb the retaining frame, and then the retaining frame is pressed onto the upper end of the bearing by the pressure-keeping part, and finally the clamping part continues to drive the bearing to move.

[0022] S4, bearing flipping: the clamping part drives the bearing to correspond to the flipping mechanism, and then drives the bearing to flip 180 degrees through the flipping part, so that the side of the bearing without balls and retainers installed is turned over, and the clamping part continues to drive the bearing to move to the next ball collecting mechanism and pressure protection unit, repeating the above steps, and finally the balls and retainers are installed on both sides of the bearing.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. The present invention realizes the automatic assembly of bearings through the feeding mechanism, the ball collecting mechanism, the pressure protection unit and the discharging mechanism, and can also flip the bearing 180 degrees through the flipping mechanism, so that the balls and the retaining frame can be installed on both ends of the double-groove bearing, reducing manual operation and improving the production efficiency of the bearings. Furthermore, due to the realization of automatic assembly, the time of manual operation is reduced, the production efficiency is improved, and the scrap rate caused by improper manual operation is reduced.

[0025] 2. The present invention can not only absorb and install the retaining frame on the end face of the bearing through the cooperation of the pressure-keeping unit and the pressure-keeping piece, but also guide and limit the inner diameter and outer diameter of the retaining frame during the pressure-covering process of the retaining frame installation, so that the retaining frame can accurately enter the inner and outer rings of the bearing. In addition, in the process of the retaining frame entering the inner and outer rings of the bearing, since the inner and outer diameters of the retaining frame are both limited, it is possible to avoid the situation where one side of the retaining frame protrudes to the outside of the bearing, thereby further improving the yield rate of the bearing.

[0026] 3. The present invention adjusts the angle of the retaining frame before installing the retaining frame through the cooperation of the calibration unit and the interference unit. Then, when the retaining frame is installed, the spacing between the balls between the inner and outer rings of the bearing can be regulated by interference, so that the protrusion on the retaining frame can be clamped between the two balls to prevent direct collision between the retaining frame and the balls. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0028] Figure 1 It is a schematic diagram of the main body structure of the present invention.

[0029] Figure 2 It is a schematic structural diagram of the clamping member of the present invention.

[0030] Figure 3It is a structural schematic diagram of the pressure protection unit of the present invention.

[0031] Figure 4 It is a schematic structural diagram of the pressure protection unit of the present invention from another viewing angle.

[0032] Figure 5 It is a schematic structural diagram of the pressure-protecting member of the present invention.

[0033] Figure 6 It is a schematic structural diagram of the pressure-protecting member of the present invention from another viewing angle.

[0034] Figure 7 It is a planar cross-sectional view of the pressure-protecting member of the present invention.

[0035] Figure 8 It is a structural schematic diagram of the clamping member of the present invention.

[0036] Fig. 9 This Figure 8 A partial enlarged view of the structure at point A.

[0037] Fig.10 It is a schematic structural diagram of the conflicting member of the present invention.

[0038] Fig.11 It is a structural schematic diagram of the calibration piece and the material storage unit of the present invention.

[0039] Fig.12 This Fig.11 A magnified view of part of the structure at point B.

[0040] In the figure, 1, operating table; 10, feeding mechanism; 11, discharging mechanism; 12, sliding guide rail; 13, loading plate; 14, clamping member; 15, ball collecting mechanism; 16, turning mechanism; 2, pressure protection unit; 20, supporting plate; 21, sliding plate; 22, compression cylinder; 23, main cylinder; 3, pressure protection member; 30, sleeve; 31, air guide groove; 32, annular plate; 33, reset tension spring; 34, annular groove; 35, annular ring; 36, spring push rod; 4, clamping member; 40. Arc groove; 41. Limit groove; 42. Snap-in plate; 43. Reset spring; 44. Arc plate; 5. Resistance piece; 50. Sliding cylinder; 51. Strip groove; 52. Strip block; 53. Resistance ring; 54. Resistance tooth; 55. Bending plate; 56. Push spring; 6. Calibration piece; 60. Extension plate; 61. Support ring; 62. Insertion groove; 7. Storage unit; 70. Sliding shaft; 71. Round plate; 72. Pull spring; 73. Round groove; 74. Accommodating groove. DETAILED DESCRIPTION

[0041] The following combination Figures 1 to 12 Embodiments of the present invention are described in detail.

[0042] The embodiment of the present application discloses a double-groove bearing double-sided pressure protection device and method, which explains that the present application is mainly used in the process of installing balls and retaining frames on bearings. In terms of technical effect, a clamping device can be set to clamp the bearing, and then the bearing is driven to enter the ball installation and retaining frame installation process in sequence, and the balls and retaining frame are installed on the bearing in sequence; especially in the installation process of the retaining frame, the angle of the retaining frame can be rotated and calibrated first, and the balls are driven to be evenly arranged on the bearing during the installation process, and then the retaining frame is installed on the bearing. In addition, in the process of retaining frame installation, it can also be ensured that the retaining frame will not move to the outside of the bearing, thereby ensuring the accurate installation of the retaining frame.

[0043] Example 1: Reference Figure 1 and Figure 2 As shown, it includes an operating table 1, a feeding mechanism 10, a discharging mechanism 11, a sliding guide rail 12, a loading plate 13, a clamping member 14, a ball collecting mechanism 15, a pressure protection unit 2 and a flipping mechanism 16. The feeding mechanism 10 and the discharging mechanism 11 are respectively arranged on both sides of the operating table 1. The upper end surface of the operating table 1 is also provided with a sliding guide rail 12, and a loading plate 13 is slidably arranged on the sliding guide rail 12. A clamping member 14 for clamping a bearing is arranged on the loading plate 13. Two symmetrically distributed clamping plates are installed on the clamping member 14. The bearing is clamped and placed by opening and closing the clamping plates.

[0044] During actual use, the bearing is first placed in the feeding mechanism 10, and then the external driving device drives the loading plate 13 to drive the clamping member 14 to move on the sliding guide rail 12. Then the clamping member 14 clamps the bearing on the feeding mechanism 10, and then drives the bearing to move. After the bearing completes the installation of the ball and the retaining frame, the discharging mechanism 11 can remove the bearing from the clamping member 14, and then drive the bearing to move out of the operating table 1.

[0045] Two symmetrically distributed ball collecting mechanisms 15 are also provided on the end surface of the operating table 1, which are used to install balls on both sides of the bearing respectively. A pressure protection unit 2 is also symmetrically provided on the end surface of the operating table 1, which is located on one side of the corresponding ball collecting mechanism 15, and is used to install the retaining frame to both sides of the bearing respectively. A flipping mechanism 16 for driving the bearing to flip 180 degrees is also provided on one side of the pressure protection unit 2. The clamping member 14 drives the bearing to correspond to the ball collecting mechanism 15 on one side, and then the ball collecting mechanism 15 can install the balls into the inner and outer rings on one side of the bearing. Then the clamping member 14 drives the bearing to correspond to the pressure protection unit 2, and the pressure protection unit 2 installs the retaining frame on one side of the bearing. At this time , the balls and retainers on one side of the bearing have been installed, and then the clamping piece 14 continues to drive the bearing to correspond to the flipping mechanism 16. A pair of clamping plates are also installed on the flipping mechanism 16 to clamp the bearing, and then the bearing is driven to flip, so that the end of the bearing without the balls and retainers installed is flipped to the upper end, and then the clamping piece 14 continues to drive the bearing to move to the ball collecting mechanism 15 and the pressure protection unit 2 on the other side, and the balls and retainers are installed on the other side. After the installation is completed, the bearing is removed from the clamping piece 14 through the discharging mechanism 11. At this time, the loading plate 13 drives the clamping piece 14 to move to correspond to the feeding mechanism 10, and the above steps are continued.

[0046] Reference Figure 3 and Figure 4 As shown, a pressure-protecting unit 2 is used to respectively install the retaining frame to both sides of the bearing. Specifically, the pressure-protecting unit 2 includes a support plate 20, a sliding plate 21, a compression cylinder 22, a main cylinder 23 and a pressure-protecting member 3. The support plate 20 is arranged at the upper end of the operating table 1, and the support plate 20 is provided with a sliding plate 21 by way of a guide rail connection. The sliding plate 21 is also provided with a compression cylinder 22 by way of a guide rail connection, that is, the support plate 20 supports the sliding plate 21 through the corresponding guide rail, and when the sliding plate 21 is driven by an external force, it can move laterally on the support plate 20 through the corresponding guide rail, and the sliding plate 21 can support the compression cylinder 22 through the corresponding guide rail, so that the compression cylinder 22 can move up and down on the sliding plate 21 through the guide rail when driven by an external force.

[0047] A main cylinder 23 is provided at the lower end of the compression cylinder 22 and is connected thereto. A pressure-protecting component 3 for adsorbing the retaining frame is provided inside the main cylinder 23. The main cylinder 23 is used to support and limit the pressure-protecting component 3, and the compression cylinder 22 can discharge compressed gas into the main cylinder 23 to provide driving force for the pressure-protecting component 3.

[0048] Reference Figure 5 , Figure 6 and Figure 7As shown, the pressure-keeping component 3 is used for adsorbing the retaining frame; specifically, the pressure-keeping component 3 also includes a sleeve 30, an air guide groove 31, an annular plate 32, a reset tension spring 33, an annular groove 34, an annular ring 35 and a push spring rod 36. The sleeve 30 is rotatably arranged inside the main barrel 23. The sleeve 30 can not only rotate inside the main barrel, but also move up and down inside the main barrel 23.

[0049] The sleeve 30 is provided with a plurality of air guide grooves 31 distributed around its axis, and one end of the plurality of air guide grooves 31 extends to the upper end of the sleeve 30 and penetrates to its outer wall, and the other end of the air guide groove 31 penetrates to the lower end of the sleeve 30. An annular plate 32 is rotatably provided at the upper end of the sleeve 30, and a reset spring 33 is provided between the annular plate 32 and the inner wall of the main cylinder 23. The reset spring 33 pulls the top end of the sleeve 30 to fit against the inner wall of the main cylinder 23 in the initial state. When the compression cylinder 22 injects gas into the main cylinder 23, the gas can push the sleeve 30 gets rid of the pulling force of the return spring 33 and moves downward. When gas is no longer injected, the sleeve 30 will be pulled back to the initial position by the return spring 33, and the gas in the compression cylinder 22 can also enter the lower end of the sleeve 30 through the air guide groove 31. The compression cylinder 22 can also extract the gas in the main barrel. When the end of the sleeve 30 contacts the upper end of the retaining frame, the lower end opening of the air guide groove 31 contacts the upper end of the retaining frame. After that, the compression cylinder 22 can inhale air through the air guide groove 31, so that the retaining frame is attached to the lower end of the sleeve 30.

[0050] Afterwards, the main cylinder 23 moves to the corresponding bearing on the clamping part 14 under the drive of the corresponding sliding plate 21 and the compression cylinder 22. At this time, the compression cylinder 22 drives the main cylinder 23 to descend in the direction of the bearing, so that the distance between the end of the sleeve 30 and the upper end of the bearing is shortened, and the main shaft on the bearing will be inserted into the sleeve 30 without interfering with the movement of the sleeve 30. After that, the compression cylinder 22 no longer adsorbs, but blows the retaining frame to fall onto the bearing through the air guide groove 31, and then the sleeve 30 descends to push the retaining frame into the inner and outer rings of the bearing. At this time, the compression cylinder 22 can also drive the main cylinder 23 to apply a certain pressure downward to completely press the retaining frame onto the main shaft. The indirect push by gas is to prevent the retaining frame from being damaged due to hard push.

[0051] Two annular grooves 34 are also provided inside the sleeve 30, and an annular ring 35 is slidably provided in the annular groove 34, and one side of the annular ring 35 extends out of the annular groove 34 and corresponds to the air guide groove 31, and a push spring rod 36 is also provided between the annular ring 35 and the inner wall of the corresponding annular groove 34, and the push spring rod 36 can push one side of the annular ring 35 to be located outside the sleeve 30 in the initial state, and after the retainer is adsorbed by the air guide groove 31, the retainer is located between the two annular rings 35, and when the sleeve 30 and the upper end of the bearing are shortened to a certain distance, the annular ring 35 will contact the outer ring and the ball of the bearing, and the two The annular ring 35 will limit and guide the retainer to prevent it from shifting. When the sleeve 30 descends, the annular ring 35 will gradually retract into the annular groove 34. When the retainer enters the bearing, the two annular rings 35 will still limit and guide the inner and outer diameters of the retainer, so that the retainer can accurately enter the inner and outer rings of the bearing without being damaged by the deviation caused by falling and conflicting with the upper end of the bearing. After the installation of the retainer is completed, the main cylinder 23 indirectly drives the sleeve 30 to move to the initial position, and the annular ring 35 will move out of the annular groove 34 again under the push of the corresponding push spring rod 36.

[0052] Reference Figure 8 and Fig. 9 As shown, the inner wall of the main cylinder 23 is provided with a plurality of arc grooves 40 distributed along the axis thereof, and the sleeve 30 is provided with a plurality of sliding cavities corresponding to the arc grooves 40 and penetrating the inner and outer diameters of the sleeve 30, and a clamping member 4 is provided in the sliding cavity. Specifically, the clamping member 4 includes the arc groove 40, the sliding cavity, the limit groove 41, the clamping plate 42, the reset spring 43 and the arc plate 44, and the plurality of limit grooves 41 corresponding to the sliding cavity one by one and penetrating the sleeve 30 are provided in the sleeve 30. Inside, a snap-in plate 42 is slidably arranged in the sliding cavity, and one side of the snap-in plate 42 extends into the limiting groove 41, a reset push spring 43 is arranged between the inner wall of the limiting groove 41 and the snap-in plate 42, and an arc plate 44 located in the corresponding arc groove 40 is arranged on one side of the snap-in plate 42, that is, in the initial state, after the sleeve 30 has adsorbed the retaining frame, it is necessary to drive the retaining frame to rotate so that the protrusion on the retaining frame corresponds to the ball gap on the bearing.

[0053] When the sleeve 30 is driven to rotate by external force, the arc plate 44 can be driven to disengage from the corresponding arc groove 40, and the clamping plate 42 can be driven to slide in the limit groove 41. At this time, the reset push spring 43 is in a compressed state until the arc plate 44 corresponds to the next arc groove 40. The reset push spring 43 indirectly pushes the arc plate 44 into the arc groove 40. At this time, the indirect limitation of the sleeve 30 can be achieved, so that the sleeve 30 can be rotated a certain distance under the limitation of the main tube 23, avoiding the accidental rotation of the ring after the rotation is completed, causing the angle of the retaining frame to shift again.

[0054] Reference Fig.10 As shown, the sleeve 30 is further provided with a resistance member 5 for driving the balls in the bearing to be evenly arranged; specifically, the resistance member 5 includes a sliding cylinder 50, a strip groove 51, a strip block 52, a resistance ring 53, a resistance tooth 54, a bending plate 55 and a pushing spring 56. The sliding cylinder 50 is slidably arranged inside the sleeve 30. The inner wall of the sleeve 30 is provided with a plurality of strip grooves 51 corresponding to and passing through the arc groove 40. One side of the clamping plate 42 is located in the corresponding strip groove 51. The outer diameter of the sliding cylinder 50 is provided with a plurality of strip blocks 52 located in the corresponding strip groove 51. The sliding cylinder 50 is provided with a resistance ring 53 at the lower end. The resistance ring 53 is provided with a plurality of resistance teeth 54 distributed around its axis at the lower end.

[0055] That is, when the interference tooth 54 is driven by external force, it can drive the interference ring 53 and the strip block 52 to move up and down in the corresponding strip groove 51, and the interference ring 53 can also indirectly drive the ring to rotate in the main cylinder 23 through the strip block 52 and the strip groove 51.

[0056] One end of the sliding cylinder 50 located in the sleeve 30 is provided with a plurality of bent plates 55 corresponding to the clamping plate 42, and the bent end of the bent plate 55 slides through the corresponding side of the clamping plate 42, and a push spring 56 is also provided between the bent plate 55 and the corresponding strip groove 51. In the initial state, the push spring 56 pushes the contact ring 53 to be located outside the sleeve 30 through the bent plate 55, and at this time, one end of the bent plate 55 is inserted into the clamping plate 42, that is, the clamping plate 42 cannot enter. When the sleeve 30 is moved, the corresponding arc plate 44 cannot be moved out of the inserted arc groove 40, thereby indirectly limiting the sleeve 30 in the main cylinder 23, so that the sleeve 30 cannot rotate in the main cylinder 23 when driven by external force, and when the contact circle 53 is driven to rise by external force, it will simultaneously drive the bending plate 55 to disengage from the corresponding clamping plate 42, and the corresponding clamping plate 42 can move in the sliding cavity, that is, the sleeve 30 can rotate when driven by external force.

[0057] Reference Fig.11 As shown, an extension plate 60 is also provided on one side of the support plate 20, and a calibration piece 6 for calibrating the interference ring 53 is provided on the extension plate 60; specifically, the calibration piece 6 includes an extension plate 60, a support ring 61 and an insertion groove 62, and the support ring 61 is provided on the extension plate 60, and a plurality of insertion grooves 62 evenly distributed along its axis are provided on the support ring 61, and the insertion grooves 62 correspond to the interference teeth 54.

[0058] That is, the interference tooth 54 can be inserted into the insertion groove 62. If the angle of the interference tooth 54 deviates from the angle of the insertion groove 62, the insertion groove 62 will drive the interference ring 53 to rotate through the interference tooth 54, and the interference ring 53 will indirectly drive the sleeve 30 to rotate. That is, if a retaining frame is adsorbed on the bottom of the sleeve 30 at this time, the angle of the retaining frame will be driven to rotate and adjust, and then the sleeve 30 will no longer correspond to the support ring 61. At this time, the bending plate 55 continues to limit the rotation of the sleeve 30 to prevent the sleeve 30 from moving. Deflection occurs during the process, and then the sleeve 30 corresponds to the upper end of the bearing, and then pressed down. During this process, the interference tooth 54 will first contact the ball and drive the balls to separate from each other, and the spacing between the balls will become equal. Then the protrusion on the retaining frame will enter between the two balls, and the interference tooth 54 will drive the interference ring to move toward the inside of the sleeve 30. When the retaining frame is completely entered into the bearing, the bending plate 55 no longer limits the clamping plate 42, but the retaining frame has been installed, and then the main barrel drives the sleeve 30 to rise.

[0059] Example 2: Reference Fig.11 and Fig.12 As shown, on the basis of Example 1, in order to be able to store multiple retaining racks in a unified manner so that the pressure-keeping unit 2 can quickly take the retaining racks, a storage unit 7 is provided on the extension plate 60; specifically, the storage unit 7 includes a sliding shaft 70, a circular plate 71, a pulling spring 72, a circular groove 73 and a receiving groove 74. The sliding shaft 70 is arranged on one side of the extension plate 60 in a sliding through manner, and the sliding shaft 70 corresponds to the support ring 61. The sliding shaft 70 is located on the outer side of the lower end of the extension plate 60 and is sleeved with a circular plate 71. A pulling spring 72 is provided between the circular plate 71 and the bottom of the extension plate 60. A circular groove 73 whose axis coincides with the sliding shaft 70 is opened on the extension plate 60, and a plurality of receiving grooves 74 are opened on the inner bottom wall of the circular groove 73. The receiving groove 74 is used to accommodate the protruding end of the outer side of the retaining rack to limit the retaining rack.

[0060] Several retaining racks are sleeved on the outside of the sliding shaft 70, and then the retaining racks will slide into the circular groove 73. The pair of accommodating grooves 74 in the circular groove 73 limit the angle of the retaining racks through the protrusions on the retaining racks. When taking materials, the sleeve 30 moves to correspond to the sliding shaft 70. At this time, the sleeve 30 descends and the inner wall of the sleeve 30 contacts the upper end of the sliding shaft 70 and drives the sliding shaft 70 to descend until the sleeve 30 absorbs the uppermost retaining rack. After the sleeve 30 leaves, the spring 72 is pulled through the circular plate 71 to drive the sliding shaft 70 to move to the initial position.

[0061] In addition, the present invention also provides a double-groove bearing double-sided pressure protection method, comprising the following steps:

[0062] S1, material preparation: the bearings are installed into the feeding mechanism 10 in sequence, the bearings are placed on the clamping member 14 through the feeding mechanism 10, and the bearings are clamped by the clamping member 14, and then the carrier plate 13 drives the clamping member 14 to move under the limit of the sliding guide rail 12.

[0063] S2, bearing ball installation: the clamping member 14 drives the bearing to correspond to the ball collecting mechanism 15, and then the ball collecting mechanism 15 installs the ball to the upper end of the bearing, and finally the clamping member 14 removes the bearing from the ball collecting mechanism 15.

[0064] S3, support frame installation: the clamping member 14 then drives the bearing to correspond to the pressure-keeping unit 2, and then the pressure-keeping unit 2 drives the pressure-keeping member 3 to first absorb the retaining frame, and then the retaining frame is pressed onto the upper end of the bearing by the pressure-keeping member 3, and finally the clamping member 14 continues to drive the bearing to move.

[0065] S4, bearing flipping: the clamping member 14 drives the bearing to correspond to the flipping mechanism 16, and then drives the bearing to flip 180 degrees through the flipping member, so that the side of the bearing without balls and retaining cages installed is turned over, and the clamping member 14 continues to drive the bearing to move to the next ball collecting mechanism 15 and pressure protection unit 2, and repeats the above steps. Finally, the balls and retaining cages are installed on both sides of the bearing.

[0066] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered as exemplary and non-restrictive in all respects.

[0067] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A double-groove bearing double-sided pressure protection device, comprising an operating table (1), characterized in that: The operating table (1) is provided with a feeding mechanism (10) and a discharging mechanism (11) on both sides, and a sliding guide rail (12) is also provided on the upper end surface of the operating table (1), and a loading plate (13) is slidably provided on the sliding guide rail (12), and a clamping member (14) for clamping the bearing is provided on the loading plate (13). The operating table (1) is also provided with two symmetrically distributed ball collecting mechanisms (15) on the end surface, which are used to respectively install balls on both sides of the bearing. The operating table (1) is also symmetrically provided with a pressure protection unit (2) located on one side of the corresponding ball collecting mechanism (15), which is used to respectively install the retaining frame on both sides of the bearing, and a flipping mechanism (16) for driving the bearing to flip 180 degrees is also provided on one side of the pressure protection unit (2); The pressure-protection unit (2) comprises a support plate (20) arranged on the operating table (1), and a sliding plate (21) is arranged on the support plate (20) by means of a guide rail connection, and a compression cylinder (22) is also arranged on the sliding plate (21) by means of a guide rail connection, and a main cylinder (23) is arranged at the lower end of the compression cylinder (22) and is connected to the main cylinder (23), and a pressure-protection component (3) for adsorbing the retaining frame is arranged in the main cylinder (23).

2. A double-groove bearing double-sided pressure protection device according to claim 1, characterized in that: The pressure-protecting member (3) further comprises a sleeve (30) rotatably arranged in the main cylinder (23), a plurality of air guide grooves (31) distributed around its axis are provided inside the sleeve (30), one end of each of the air guide grooves (31) extends to the upper end of the sleeve (30) and passes through its outer wall, and the other end of each of the air guide grooves (31) passes through the lower end of the sleeve (30), an annular plate (32) is rotatably arranged at the upper end of the sleeve (30), and a reset tension spring (33) is provided between the annular plate (32) and the inner wall of the main cylinder (23).

3. A double-groove bearing double-sided pressure protection device according to claim 2, characterized in that: The sleeve (30) is further provided with two annular grooves (34), an annular ring (35) is slidably provided in the annular groove (34), and one side of the annular ring (35) extends out of the annular groove (34) and corresponds to the air guide groove (31), and a push spring rod (36) is further provided between the annular ring (35) and the inner wall of the corresponding annular groove (34).

4. A double-groove bearing double-sided pressure protection device according to claim 1, characterized in that: The main cylinder (23) is provided with a plurality of arc grooves (40) distributed along its axis on its inner wall, and a plurality of sliding cavities corresponding to the arc grooves (40) and penetrating the inner and outer diameters of the sleeve (30) are provided in the sleeve (30). A clamping member (4) is provided in the sliding cavity. The clamping member (4) includes a plurality of limit grooves (41) provided in the sleeve (30) and corresponding to and penetrating the sliding cavity one by one. A clamping plate (42) is slidably provided in the sliding cavity, and one side of the clamping plate (42) extends into the limit groove (41). A reset spring (43) is provided between the inner wall of the limit groove (41) and the clamping plate (42), and an arc plate (44) located in the corresponding arc groove (40) is provided on one side of the clamping plate (42).

5. A double-groove bearing double-sided pressure protection device according to claim 2, characterized in that: The sleeve (30) is also provided with a resistance member (5) for driving the balls in the bearing to be evenly arranged. The resistance member (5) includes a sliding cylinder (50) slidably arranged in the sleeve (30). The inner wall of the sleeve (30) is provided with a plurality of strip grooves (51) corresponding to and passing through the arc groove (40). One side of the clamping plate (42) is located in the corresponding strip groove (51). The outer diameter of the sliding cylinder (50) is provided with a plurality of strip blocks (52) located in the corresponding strip groove (51). The lower end of the sliding cylinder (50) is provided with a resistance ring (53). The lower end of the resistance ring (53) is provided with a plurality of resistance teeth (54) distributed around its axis.

6. A double-groove bearing double-sided pressure protection device according to claim 5, characterized in that: The sliding cylinder (50) is provided with a plurality of bent plates (55) corresponding to the clamping plate (42) at one end thereof located in the sleeve (30), and the bent end of the bent plate (55) slides through one side of the corresponding clamping plate (42), and a pushing spring (56) is also provided between the bent plate (55) and the corresponding strip groove (51).

7. A double-groove bearing double-sided pressure protection device according to claim 5, characterized in that: An extension plate (60) is further provided on one side of the support plate (20), and a calibration piece (6) for calibrating the abutment ring (53) is provided on the extension plate (60), and the calibration piece (6) comprises a support ring (61) provided on the extension plate (60), and a plurality of insertion grooves (62) evenly distributed along the axis thereof are provided on the support ring (61), and the insertion grooves (62) correspond to the abutment teeth (54).

8. A double-groove bearing double-sided pressure protection method, using a double-groove bearing double-sided pressure protection device as described in any one of claims 1 to 7, characterized in that: The pressure protection method includes the following steps: S1, material preparation: the bearings are sequentially installed into the feeding mechanism (10), the bearings are placed on the clamping member (14) through the feeding mechanism (10), and the bearings are clamped by the clamping member (14), and then the carrier plate (13) drives the clamping member (14) to move under the limit of the sliding guide rail (12); S2, bearing ball installation: the clamping member (14) drives the bearing to correspond to the ball collecting mechanism (15), and then the ball collecting mechanism (15) installs the ball to the upper end of the bearing, and finally the clamping member (14) removes the bearing from the ball collecting mechanism (15); S3, support frame installation: the clamping member (14) then drives the bearing to correspond to the pressure-protection unit (2), and then the pressure-protection unit (2) drives the pressure-protection member (3) to first absorb the retaining frame, and then the retaining frame is pressed onto the upper end of the bearing by the pressure-protection member (3), and finally the clamping member (14) continues to drive the bearing to move; S4, bearing flipping: the clamping member (14) drives the bearing to correspond to the flipping mechanism (16), and then drives the bearing to flip 180 degrees through the flipping member, so that the side of the bearing without the balls and the retaining frame installed is turned over, and the clamping member (14) continues to drive the bearing to move to the next ball collecting mechanism (15) and the pressure protection unit (2), and repeats the above steps. Finally, the balls and the retaining frame are installed on both sides of the bearing.

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