Automatic ball loading mechanism for double-row bearings

Abstract

The utility model discloses an automatic ball loading mechanism for double-row bearings, which comprises a first ball supply assembly, a second ball supply assembly, a fixing part and a jacking part, the first ball supply assembly is used for supplying rollers into a first groove, and the second ball supply assembly is used for supplying rollers into a second groove; the fixing part is used for relatively fixing the outer ring and the inner ring on the bearing table when the first ball supply assembly and the second ball supply assembly carry out ball loading on the double-row bearing, and the jacking part is used for driving the inner ring to ascend from the first position to the second position. According to the automatic ball loading mechanism for the double-row bearing, through cooperation of the first ball supply assembly, the second ball supply assembly, the fixing part and the jacking part, the first ball supply assembly supplies rollers into the first groove, the second ball supply assembly supplies rollers into the second groove, the jacking part drives the inner ring to ascend from the first position to the second position, and the inner ring is fixed through the fixing part. Therefore, the plurality of rollers are located in an assembly area formed by the corresponding first grooves or second grooves and the inner surface of the outer ring, manual intervention is reduced, and the ball loading efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bearing assembly technical field, especially a kind of double-row bearing automatic ball loading mechanism. BACKGROUND

[0002] Double-row bearing is widely used in modern industry, such as in the transmission of automobile, motor, machine tool and other equipment, and plays a key role. It can bear larger radial load and certain axial load, compared with single-row bearing, with higher carrying capacity and stability, can effectively improve the operation efficiency and reliability of equipment.

[0003] Conventional double-row bearing has two rows of grooves, and the rollers need to be accurately placed in the two rows of grooves during ball loading. Due to the relatively narrow raceway space, the rollers are prone to positional deviation during loading, affecting the performance and accuracy of the bearing. The existing ball loading method of double-row bearing mostly adopts manual ball loading, and the operator places the rollers one by one into the raceway of double-row bearing by experience and simple tools. This method not only has low efficiency, but also cannot guarantee the uniform distribution and accurate installation of the rollers, which may cause uneven arrangement of the rollers and inconsistent gap, affecting the use accuracy and service life of the bearing. SUMMARY

[0004] The utility model aims at providing a kind of double-row bearing automatic ball loading mechanism to solve the problem of low ball loading efficiency in the conventional manual ball loading method of prior art.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A double-row bearing automatic ball loading mechanism includes a mounting seat, a first ball feeding assembly, a second ball feeding assembly, a fixed part and a jacking part, wherein:

[0007] The mounting seat is provided with a bearing table, which is configured to bear the double-row bearing to be loaded vertically, the double-row bearing includes an inner ring and an outer ring, the inner ring is arranged in the outer ring, and the outer surface of the inner ring is provided with a first groove and a second groove for accommodating rollers in parallel along the circumference;

[0008] The first ball feeding assembly is arranged on the first side of the mounting seat in the first direction, and the first ball feeding assembly is configured to feed the rollers into the first groove; the second ball feeding assembly is arranged on the second side of the mounting seat in the first direction, and the second ball feeding assembly is configured to feed the rollers into the second groove;

[0009] The fixing part is configured to fix the outer ring and the inner ring relative to each other on the bearing platform when the first ball supply assembly and the second ball supply assembly load the double row bearing with balls. The driving end of the lifting part is located in the inner hole of the inner ring. The lifting part is configured to drive the inner ring to rise from the first position to the second position.

[0010] When the inner ring is in the first position, the distance between the top of the inner ring and the outer ring is greater than the distance between the bottom of the inner ring and the outer ring, so as to form a space for the first ball supply assembly and the second ball supply assembly to smoothly supply balls into the corresponding grooves;

[0011] When the inner ring is in the second position, it is concentrically arranged with the outer ring such that the plurality of rollers are located within the assembly area formed by the corresponding first or second groove and the inner surface of the outer ring.

[0012] Furthermore, the first ball feeding assembly includes a first feeding platform and a first pushing part. The first feeding platform has a first inlet, and at least one first feeding channel extending in a first direction is opened in the first feeding platform. The first feeding channel is connected to the first inlet, and a plurality of the rollers enter the first feeding channel through the first inlet. The first pushing part is installed on the first feeding platform and is configured to push all the rollers in the first feeding channel into the first groove.

[0013] The second ball supply assembly includes a second feeding platform and a second pushing part. The second feeding platform has a second inlet and at least one second feeding channel extending in a first direction is provided in the second feeding platform. The second feeding channel is connected to the second inlet. A plurality of the rollers enter the second feeding channel through the second inlet. The second pushing part is installed on the second feeding platform and is configured to push all the rollers in the second feeding channel into the second groove.

[0014] Furthermore, the fixing part includes a first base, a first fixing member, a second fixing member, a transverse sliding seat, and a transverse driving member, wherein:

[0015] The first base is disposed on the first side of the mounting base along the first direction. The transverse seat is disposed on the first base, either close to or away from the mounting base. The first feeding platform is disposed on the transverse seat. A first positioning platform is disposed on the side of the first feeding platform close to the inner ring. The first fixing member is mounted on the transverse seat. The second fixing member is fixedly disposed on the second side of the mounting base along the first direction. The fixed end of the transverse drive member is mounted on the first base. The drive end of the transverse drive member is connected to the transverse seat. The transverse drive member is configured to drive the transverse seat close to or away from the mounting base. The transverse drive member drives the transverse seat close to the mounting base so that the first fixing member presses against the outer ring on the first side of the first direction and the first positioning platform is inserted into the gap between the top of the inner ring and the outer ring. This, in conjunction with the second fixing member on the second side of the first direction, fixes the outer ring on the support platform and fixes the inner ring inside the outer ring.

[0016] Furthermore, the fixing part also includes an inner ring positioning assembly, which includes an inner ring positioning member, a positioning drive member, and a positioning seat. The positioning seat is disposed on the transverse sliding seat. The inner ring positioning member is reciprocally disposed on the positioning seat in a first direction. The side of the inner ring positioning member facing the mounting seat is configured as a contour positioning shaft, which is adapted to the inner hole of the inner ring. The fixed end of the positioning drive member is mounted on the positioning seat, and the driving end of the positioning drive member is connected to the inner ring positioning member. The positioning drive member is configured to drive the inner ring positioning member closer to or away from the mounting seat. The positioning drive member drives the inner ring positioning member closer to the mounting seat, so that the contour positioning shaft is inserted into the inner hole of the inner ring, thereby positioning the inner ring.

[0017] Furthermore, the lifting part includes a lifting drive component, the positioning seat is movably mounted on the transverse seat, the fixed end of the lifting drive component is mounted on the transverse seat, the driving end of the lifting drive component is connected to the positioning seat, and the lifting drive component is configured to drive the positioning seat to a high position or a low position.

[0018] The lifting drive is configured to drive the positioning seat to rise from a low position to a high position, so as to cooperate with the contour positioning shaft to drive the outer ring to rise from the first position to the second position.

[0019] Furthermore, the first feeding table is installed on the upper surface of the positioning seat, and the transverse drive drives the transverse seat to approach the mounting seat, so as to move the first feeding table to approach and abut against the first side of the inner ring along the first direction.

[0020] Furthermore, the first feeding platform has two first feeding channels, which are spaced apart along the second direction. The second feeding platform has two second feeding channels, which are spaced apart along the second direction.

[0021] Furthermore, the second ball supply assembly also includes a second base, a lifting base, a first driving component, and a second driving component, wherein:

[0022] The second base is disposed on the second side of the mounting base along the first direction. The lifting seat is movably disposed on the second base. The fixed end of the first driving member is mounted on the lifting seat. The driving end of the first driving member is connected to the second feeding table. The first driving member is configured to drive the second feeding table closer to or away from the second side of the inner ring along the first direction. The fixed end of the second driving member is mounted on the second base. The driving end of the second driving member is connected to the lifting seat. The second driving member is configured to drive the lifting seat to a high position or a low position to drive the second feeding table to rise and fall.

[0023] Furthermore, a guide pair is provided between the transverse sliding seat and the first base. The guide pair includes a linear guide rail and a slider. The linear guide rail extends along a first direction and is laid on the first base. The slider is fixed on the transverse sliding seat and slidably sleeved on the linear guide rail.

[0024] Furthermore, the first pushing part includes a first cylinder and a first pushing member. The first pushing member is adapted to the aperture of the first feed channel. The first pushing member can be disposed in the first feed channel close to or away from the first groove. The driving end of the first cylinder is connected to the first pushing member. The first cylinder is configured to drive the first pushing member close to or away from the first groove. The first cylinder drives the first pushing member close to the first groove so that the first pushing member pushes all the rollers in the first feed channel into the first groove.

[0025] Furthermore, the second pushing part includes a second cylinder and a second pushing member. The second pushing member is adapted to the aperture of the second feed channel. The second pushing member can be disposed in the second feed channel close to or away from the second groove. The driving end of the second cylinder is connected to the second pushing member. The second cylinder is configured to drive the second pushing member close to or away from the second groove. The second cylinder drives the second pushing member close to the second groove so that the second pushing member pushes all the rollers in the second feed channel into the second groove.

[0026] Compared with the prior art, the advantages of the automatic ball loading mechanism for double-row bearings are as follows:

[0027] 1) Through the cooperation of the first ball supply assembly, the second ball supply assembly, the fixing part and the lifting part, the fixing part fixes the outer ring and the inner ring relatively on the support platform, the first ball supply assembly feeds the roller into the first groove, the second ball supply assembly feeds the roller into the second groove, and the lifting part drives the inner ring to rise from the first position to the second position, so that multiple rollers are in the assembly area formed by the corresponding first groove or second groove and the inner surface of the outer ring, reducing manual intervention and greatly improving ball loading efficiency;

[0028] 2) Through the cooperation of the feed inlet, feed channel and pusher, multiple rollers enter the feed channel from the feed inlet. The pusher pushes all the rollers in the feed channel into the first groove or the second groove, realizing automatic feeding of the rollers. It provides a first ball feeding assembly and a second ball feeding assembly with simple structure and high feeding efficiency.

[0029] 3) Through the cooperation of the first fixing member, the second fixing member, the transverse seat and the transverse drive member, the transverse drive member drives the transverse seat to approach the mounting base, so that the first fixing member presses against the outer ring, and then cooperates with the second fixing member to fix the outer ring on the bearing platform, providing a fixing part with small space occupation and good fixing effect;

[0030] 4) Through the cooperation of the inner ring positioning component, the positioning drive component and the positioning seat, the positioning drive component drives the inner ring positioning component to approach the mounting seat, so that the contour positioning shaft is inserted into the inner ring of the inner ring, thereby achieving precise positioning of the inner ring and providing a fixed part that is easy to implement and has high positioning accuracy.

[0031] 5) Through the cooperation of the lifting drive, positioning seat and contour positioning shaft, the inner ring can be precisely positioned and lifted after positioning, which simplifies the equipment structure and further improves the ball loading efficiency. Attached Figure Description

[0032] Figure 1 This is a three-dimensional structural schematic diagram of the automatic ball loading mechanism for double-row bearings provided in this embodiment of the utility model;

[0033] Figure 2 This is a front view schematic diagram of the automatic ball loading mechanism for double-row bearings provided in this embodiment of the utility model;

[0034] Figure 3 yes Figure 1 Enlarged diagram of point A in the middle. Detailed Implementation

[0035] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0036] To facilitate understanding of this utility model, a more complete description of it will be given below with reference to the accompanying drawings. Preferred embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model. It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or there may be an intermediate component. When a component is referred to as being "connected to" another component, it can be directly connected to the other component or there may be an intermediate component. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementations. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of this utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0037] Please see Figures 1 to 3 As shown, in this embodiment, an automatic ball loading mechanism for a double-row bearing includes a mounting base 10, a first ball supply assembly 20, a second ball supply assembly 30, a fixing part 40, and a lifting part 50. The mounting base 10 is provided with a support platform 11, which is configured to support a vertically placed double-row bearing to be loaded with balls. The double-row bearing includes an inner ring 13 and an outer ring 12. The inner ring 13 is disposed within the outer ring 12. The outer surface of the inner ring 13 has a first groove and a second groove arranged circumferentially in parallel along its outer surface for accommodating rollers. The first ball supply assembly 20 is disposed on the mounting base 10 in a first direction (…). Figure 1 On the first side of the mounting base 10 in the X direction, the first ball supply assembly 20 is configured to supply rollers into the first groove, and the second ball supply assembly 30 is disposed on the second side of the mounting base 10 in the first direction, and the second ball supply assembly 30 is configured to supply rollers into the second groove; the fixing part 40 is configured to fix the outer ring 12 and the inner ring 13 relative to each other on the bearing platform when the first ball supply assembly 20 and the second ball supply assembly 30 are loading balls into the double row bearing, and the driving end of the lifting part 50 is located in the inner hole of the inner ring 13, and the lifting part 50 is... The inner ring 13 is configured to rise from a first position to a second position. When the inner ring 13 is in the first position, the distance between the top of the inner ring 13 and the outer ring 12 is greater than the distance between the bottom of the inner ring 13 and the outer ring 12, so as to form a space for the first ball supply assembly 20 and the second ball supply assembly 30 to smoothly supply balls into the corresponding grooves. When the inner ring 13 is in the second position, it is concentrically arranged with the outer ring 12 so that multiple rollers are in the assembly area formed by the corresponding first groove or second groove and the inner surface of the outer ring 12.

[0038] As can be seen, through the cooperation of the first ball supply assembly 20, the second ball supply assembly 30, the fixing part 40 and the lifting part 50, the fixing part 40 fixes the outer ring and the inner ring relatively on the support platform 11, the first ball supply assembly 20 supplies rollers into the first groove, the second ball supply assembly 30 supplies rollers into the second groove, and the lifting part 50 drives the inner ring to rise from the first position to the second position, so that multiple rollers are in the assembly area formed by the corresponding first groove or second groove and the inner surface of the outer ring 12, reducing manual intervention and greatly improving the ball loading efficiency.

[0039] In one embodiment, the first ball feeding assembly 20 includes a first feeding table 21 and a first pushing part 22. The first feeding table 21 has a first inlet 210, and at least one first feeding channel extending in a first direction is formed inside the first feeding table 21. The first feeding channel is connected to the first inlet 210, and multiple rollers enter the first feeding channel through the first inlet 210. The first pushing part 22 is mounted on the first feeding table 21 and is configured to push all the rollers in the first feeding channel to the first feeding channel. Within a groove; the second ball supply assembly 30 includes a second feeding platform 31 and a second pushing part 32. The second feeding platform 31 has a second inlet 310. At least one second feeding channel extending in a first direction is provided in the second feeding platform 31. The second feeding channel is connected to the second inlet 310. Multiple rollers enter the second feeding channel through the second inlet 310. The second pushing part 32 is installed on the second feeding platform 31 and is configured to push all the rollers in the second feeding channel into the second groove.

[0040] As can be seen, through the cooperation of the feed inlet, feed channel and pusher, multiple rollers enter the feed channel from the feed inlet, and the pusher pushes all the rollers in the feed channel into the first groove or the second groove, realizing automatic feeding of the rollers, and providing a first ball feeding assembly 20 and a second ball feeding assembly 30 with simple structure and high feeding efficiency.

[0041] In one embodiment, the fixing part 40 includes a first base 41, a first fixing member 42, a second fixing member 43, a transverse sliding seat 44, and a transverse driving member 45, wherein: the first base 41 is disposed on a first side of the mounting base 10 along a first direction; the transverse sliding seat 44 is disposed on the first base 41, which may be close to or away from the mounting base 10; a first feeding table 21 is disposed on the transverse sliding seat 44; a first positioning table 211 is disposed on the side of the first feeding table 21 near the inner ring 13; the first fixing member 42 is mounted on the transverse sliding seat 44; and the second fixing member 43 is fixedly disposed on a second side of the mounting base 10 along the first direction. The fixed end of the lateral movement drive 45 is mounted on the first base 41, and the driving end of the lateral movement drive 45 is connected to the lateral movement seat 44. The lateral movement drive 45 is configured to drive the lateral movement seat 44 to approach or move away from the mounting base 10. The lateral movement drive 45 drives the lateral movement seat 44 to approach the mounting base 10, so that the first fixing member 42 presses against the outer ring 12 on the first side in the first direction and the first positioning platform 211 is inserted into the gap between the top of the inner ring 13 and the outer ring 12. Then, in conjunction with the second fixing member 43 on the second side in the first direction, the outer ring 12 is fixed on the support platform 11 and the inner ring 13 is fixed inside the outer ring 12.

[0042] Specifically, the transverse drive component 45 is a drive cylinder.

[0043] As can be seen, through the cooperation of the first fixing member 42, the second fixing member 43, the transverse sliding seat 44 and the transverse driving member 45, the transverse driving member 45 drives the transverse sliding seat 44 to approach the mounting base 10, so that the first fixing member 42 presses against the outer ring 12, and then cooperates with the second fixing member 43 to fix the outer ring 12 on the support platform 11, providing a fixing part 40 with small space occupation and good fixing effect.

[0044] In one embodiment, the fixing part 40 further includes an inner ring positioning assembly, which is configured to position the inner ring 13 inside the outer ring 12. The inner ring positioning assembly includes an inner ring positioning member 46, a positioning drive member 47, and a positioning seat 48. The positioning seat 48 is disposed on the transverse sliding seat 44. The inner ring positioning member 46 is reciprocally disposed on the positioning seat 48 in a first direction. The side of the inner ring positioning member 46 facing the mounting base 10 is provided with a contour positioning shaft 49, which is adapted to the inner hole of the inner ring 13. The fixed end of the positioning drive member 47 is mounted on the positioning seat 48, and the driving end of the positioning drive member 47 is connected to the inner ring positioning member 46. The positioning drive member 47 is configured to drive the inner ring positioning member 46 closer to or further away from the mounting base 10. The positioning drive member 47 drives the inner ring positioning member 46 closer to the mounting base 10, so that the contour positioning shaft 49 is inserted into the inner hole of the inner ring 13, thereby positioning the inner ring 13.

[0045] Specifically, the positioning drive component 47 is a drive cylinder.

[0046] As can be seen, through the cooperation of the inner ring positioning component 46, the positioning drive component 47 and the positioning seat 48, the positioning drive component 47 drives the inner ring positioning component 46 to approach the mounting seat 10, so that the contour positioning shaft 49 is inserted into the inner hole of the inner ring 13 and the inner ring positioning component 46 is pressed against the end face of the inner ring 13 on the side facing the inner ring 13. Then, in conjunction with the second fixing component 43, the inner ring 13 is positioned, thus achieving precise positioning of the inner ring 13 and providing a fixing part 40 that is easy to implement and has high positioning accuracy.

[0047] In one embodiment, the lifting part 50 includes a lifting drive 51, a positioning seat 48 is elliptically mounted on a transverse seat 44, the fixed end of the lifting drive 51 is mounted on the transverse seat 44, and the driving end of the lifting drive 51 is connected to the positioning seat 48. The lifting drive 51 is configured to drive the positioning seat 48 to a high position or a low position. The lifting drive 51 is configured to drive the positioning seat 48 from a low position to a high position, so as to cooperate with the contour positioning shaft 49 to drive the outer ring 12 from a first position to a second position.

[0048] Specifically, the lifting drive component 51 is a lifting cylinder.

[0049] It can be seen that, through the cooperation of the lifting drive component 51, the positioning seat 48 and the contour positioning shaft 49, the precise positioning of the inner ring 13 is achieved, and the positioned inner ring 13 can also be lifted, which simplifies the equipment structure and further improves the ball loading efficiency.

[0050] In one embodiment, the first feeding table 21 is installed on the upper surface of the positioning seat 48, and the transverse drive 45 drives the transverse seat 44 to approach the mounting seat 10, so as to move the first feeding table 21 to approach and abut against the first side of the inner ring 13 along the first direction.

[0051] In one implementation, the first feeding platform 21 has two first feeding channels, which are arranged along a second direction ( Figure 1 The second feeding table 31 has two second feeding channels spaced apart along the second direction (Y direction).

[0052] Of course, as another implementation method, three or more first feeding channels can be opened in the first feeding station 21, which will not be elaborated further here.

[0053] It should be noted that each first feed channel is connected to a first feed port 210, and each second feed channel is connected to a second feed port 310.

[0054] It is evident that by opening two first feed channels and two second feed channels, the rollers enter through the two first feed channels and the two second feed channels, significantly improving the feeding efficiency.

[0055] In one embodiment, the second ball supply assembly 30 further includes a second base 33, a lifting seat 34, a first drive member 35, and a second drive member 36, wherein: the second base 33 is disposed on the second side of the mounting base 10 along the first direction; the lifting seat 34 is movably disposed on the second base 33; the fixed end of the first drive member 35 is mounted on the lifting seat 34; the drive end of the first drive member 35 is connected to the second feeding table 31; the first drive member 35 is configured to drive the second feeding table 31 closer to or further away from the second side of the inner ring 13 along the first direction; the fixed end of the second drive member 36 is mounted on the second base 33; the drive end of the second drive member 36 is connected to the lifting seat 34; the second drive member 36 is configured to drive the lifting seat 34 to a high position or a low position, thereby driving the second feeding table 31 to rise and fall.

[0056] Specifically, both the first driving component 35 and the second driving component 36 are driving cylinders.

[0057] Yes, by cooperating with the lifting seat 34, the first driving component 35 and the second driving component 36, the vertical and horizontal movement of the second feeding table 31 can be achieved, the distance between it and the first feeding table 21 can be changed, and the outer ring 12 of different specifications can be placed, thus improving versatility.

[0058] In one embodiment, a guide pair 60 is provided between the transverse sliding seat 44 and the first base 41. The guide pair 60 includes a linear guide rail 61 and a slider 62. The linear guide rail 61 is laid on the first base 41 extending along a first direction. The slider 62 is fixed on the transverse sliding seat 44 and slidably sleeved on the linear guide rail 61.

[0059] As can be seen, through the cooperation of the linear guide rail 61 and the slider 62, the transverse drive 45 drives the transverse seat 44 to move on the first base 41, providing a guide pair 60 with a simple structure and high guiding accuracy.

[0060] In one embodiment, the first pusher 22 includes a first cylinder and a first pusher member. The first pusher member is adapted to the aperture of the first feed channel. The first pusher member is disposed in the first feed channel close to or away from the first groove. The drive end of the first cylinder is connected to the first pusher member. The first cylinder is configured to drive the first pusher member close to or away from the first groove. The first cylinder drives the first pusher member close to the first groove so that the first pusher member pushes all the rollers in the first feed channel into the first groove.

[0061] In one embodiment, the second pusher 32 includes a second cylinder and a second pusher member. The second pusher member is adapted to the aperture of the second feed channel. The second pusher member is disposed in the second feed channel near or away from the second groove. The drive end of the second cylinder is connected to the second pusher member. The second cylinder is configured to drive the second pusher member near or away from the second groove. The second cylinder drives the second pusher member near the second groove so that the second pusher member pushes all the rollers in the second feed channel into the second groove.

[0062] Of course, as another implementation, the driving units of the first pusher 22 and the second pusher 32 can both be electric cylinders, pneumatic cylinders or other linear modules with similar functions.

[0063] When the above-mentioned automatic ball loading mechanism for double-row bearings is in operation: First, a person or a robot places the outer ring 12 and the inner ring 13 on the support platform 11, at which time the inner ring 13 is in the first position; second, the transverse drive 45 drives the transverse seat 44 to approach the mounting base 10, causing the first fixing member 42 to press against the outer ring 12, and then, in conjunction with the second fixing member 43, fixes the outer ring 12 on the support platform 11, while in conjunction with the first positioning platform 211, fixes the inner ring 13 inside the outer ring 12; then the positioning drive 47 drives... The inner ring positioning member 46 approaches the inner ring 13, causing the contour positioning shaft 49 to be inserted into the inner hole of the inner ring 13 and one side of the inner ring positioning member 46 to abut against the end face of the inner ring 13, thereby cooperating with the second fixing member 43 to position the inner ring 13; finally, the lifting drive member 51 drives the positioning seat 48 from the low position to the high position, cooperating with the contour positioning shaft 49 to drive the outer ring 12 from the first position to the second position. At this time, multiple rollers are in the assembly area formed by the corresponding first groove or second groove and the inner surface of the outer ring 12.

[0064] The above embodiments merely illustrate the basic principles and characteristics of this utility model. This utility model is not limited to the above examples. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A double row bearing automatic ball loading mechanism characterized by, The double-row bearing automatic ball loading mechanism comprises a mounting seat, a first ball feeding assembly, a second ball feeding assembly, a fixing part and a jacking part, wherein: The mounting seat is provided with a bearing table configured to bear a double-row bearing to be loaded with balls vertically placed, the double-row bearing comprising an inner ring and an outer ring, the inner ring being arranged in the outer ring, a first groove and a second groove for accommodating rollers being arranged on the outer surface of the inner ring in parallel in the circumferential direction; The first ball feeding assembly is arranged on the first side of the mounting seat in the first direction and is configured to feed the rollers into the first groove, and the second ball feeding assembly is arranged on the second side of the mounting seat in the first direction and is configured to feed the rollers into the second groove; The fixing part is configured to relatively fix the outer ring and the inner ring on the bearing table when the first ball feeding assembly and the second ball feeding assembly load the double-row bearing with balls, and the driving end of the jacking part is located in the inner hole of the inner ring, and the jacking part is configured to drive the inner ring to rise from a first position to a second position; When the inner ring is in the first position, the distance between the top of the inner ring and the outer ring is greater than the distance between the bottom of the inner ring and the outer ring, so as to form a space for the first ball feeding assembly and the second ball feeding assembly to smoothly feed the balls into the corresponding grooves; When the inner ring is in the second position, it is arranged concentrically with the outer ring, so that a plurality of rollers are arranged in the assembly area composed of the corresponding first groove or second groove and the inner surface of the outer ring.

2. The double row bearing automatic ball loading mechanism of claim 1, wherein, The first ball feeding assembly comprises a first feeding table and a first pushing part, the first feeding table has a first feeding port, at least one first feeding flow channel extending in the first direction is arranged in the first feeding table, the first feeding flow channel is in communication with the first feeding port, a plurality of rollers enter the first feeding flow channel from the first feeding port, and the first pushing part is installed on the first feeding table and is configured to push all the rollers in the first feeding flow channel into the first groove; The second ball feeding assembly comprises a second feeding table and a second pushing part, the second feeding table has a second feeding port, at least one second feeding flow channel extending in the first direction is arranged in the second feeding table, the second feeding flow channel is in communication with the second feeding port, a plurality of rollers enter the second feeding flow channel from the second feeding port, and the second pushing part is installed on the second feeding table and is configured to push all the rollers in the second feeding flow channel into the second groove.

3. The double row bearing automatic ball loading mechanism of claim 2, wherein, The fixing part comprises a first base, a first fixing part, a second fixing part, a transverse moving seat and a transverse moving driving part, wherein: The first base is arranged on the first side of the mounting base along the first direction, the transverse seat is arranged on the first base and can move towards or away from the mounting base, the first feeding table is arranged on the transverse seat, the first feeding table is provided with a first positioning table on the side close to the inner ring, the first fixing member is arranged on the transverse seat, the second fixing member is fixedly arranged on the second side of the mounting base along the first direction, the fixed end of the transverse driving member is arranged on the first base, the driving end of the transverse driving member is connected to the transverse seat, and the transverse driving member is configured to drive the transverse seat to move towards or away from the mounting base. The transverse driving member drives the transverse seat to move towards the mounting base, so that the first fixing member is pressed against the outer ring on the first side of the first direction, and the first positioning table is inserted into the gap between the top of the inner ring and the outer ring, thereby cooperating with the second fixing member on the second side of the first direction to fix the outer ring on the bearing table and fix the inner ring in the outer ring.

4. The double row bearing automatic ball loading mechanism of claim 3, wherein, The fixing part further comprises an inner ring positioning assembly, the inner ring positioning assembly comprising an inner ring positioning member, a positioning driving member and a positioning seat, the positioning seat being arranged on the transverse seat, the inner ring positioning member being arranged on the positioning seat and being reciprocally movable along the first direction, the side of the inner ring positioning member facing the mounting base being arranged as a profiled positioning shaft, the profiled positioning shaft being adapted to the inner hole of the inner ring, the fixed end of the positioning driving member being arranged on the positioning seat, the driving end of the positioning driving member being connected to the inner ring positioning member, and the positioning driving member being configured to drive the inner ring positioning member to move towards or away from the mounting base. The positioning driving member drives the inner ring positioning member to move towards the mounting base, so that the profiled positioning shaft is inserted into the inner hole of the inner ring, thereby positioning the inner ring.

5. The double row bearing automatic ball loading mechanism of claim 4, wherein, The jacking part comprises a jacking driving member, the positioning seat is arranged on the transverse seat in a liftable manner, the fixed end of the jacking driving member is arranged on the transverse seat, the driving end of the jacking driving member is connected to the positioning seat, and the jacking driving member is configured to drive the positioning seat to rise to a high position or a low position. The jacking driving member is configured to drive the positioning seat to rise from the low position to the high position, so as to drive the outer ring to rise from the first position to the second position in cooperation with the profiled positioning shaft.

6. The double row bearing automatic ball loading mechanism of claim 2, wherein, Two first feeding flow channels are arranged in the first feeding table, and the two first feeding flow channels are arranged in a spaced manner along the second direction. Two second feeding flow channels are arranged in the second feeding table, and the two second feeding flow channels are arranged in a spaced manner along the second direction.

7. The double row bearing automatic ball loading mechanism of claim 2, wherein, The second ball supply assembly further comprises a second base, a lifting seat, a first driving member and a second driving member, wherein: The second base is arranged on the second side of the mounting base along the first direction, the lifting seat is arranged on the second base in a liftable manner, the fixed end of the first driving member is mounted on the lifting seat, the driving end of the first driving member is connected with the second feeding table, and the first driving member is configured to drive the second feeding table to move towards or away from the second side of the inner ring along the first direction.

8. The double row bearing automatic ball loading mechanism of claim 3, wherein, A guide pair is arranged between the transverse moving seat and the first base, and the guide pair comprises a linear guide rail and a sliding block. The linear guide rail is arranged on the first base in a linear manner along the first direction, and the sliding block is fixed on the transverse moving seat and is sleeved on the linear guide rail in a slidable manner.

9. The double row bearing automatic ball loading mechanism of claim 2, wherein, The first pushing part comprises a first cylinder and a first pushing member, the first pushing member is matched with the aperture of the first feeding flow channel, the first pushing member is arranged in the first feeding flow channel and can move towards or away from the first groove, the driving end of the first cylinder is connected with the first pushing member, and the first cylinder is configured to drive the first pushing member to move towards or away from the first groove. The first cylinder drives the first pushing member to move towards the first groove, so that the first pushing member pushes all the rollers in the first feeding flow channel into the first groove.

10. The double row bearing automatic ball loading mechanism of claim 2, wherein, The second pushing part comprises a second cylinder and a second pushing member, the second pushing member is matched with the aperture of the second feeding flow channel, the second pushing member is arranged in the second feeding flow channel and can move towards or away from the second groove, the driving end of the second cylinder is connected with the second pushing member, and the second cylinder is configured to drive the second pushing member to move towards or away from the second groove. The second cylinder drives the second pushing member to move towards the second groove, so that the second pushing member pushes all the rollers in the second feeding flow channel into the second groove.

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