An assembling device and assembling process of a spindle

Abstract

The application relates to an assembling device of a spindle rod, which comprises a rack, a first machining disc and a second machining disc rotatably arranged on the rack, a first feeding frame, a second feeding frame, a third feeding frame, a first mounting frame, a fourth feeding frame, a fifth feeding frame and a second mounting frame sequentially arranged on the rack, the first feeding frame, the second feeding frame, the third feeding frame, the first mounting frame and the fourth feeding frame being circumferentially arranged on the rack along the first machining disc, and the fifth feeding frame and the second mounting frame being fixedly arranged on the outer side of the second machining disc; the first feeding frame, the second feeding frame, the third feeding frame and the fourth feeding frame are all provided with first feeding mechanisms, the first mounting frame and the second mounting frame are both provided with pressing assemblies, a reversing assembly is arranged between the first machining disc and the second machining disc, and the fifth feeding frame is provided with a second feeding mechanism. The application has the effect of reducing the labor intensity of workers.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of part assembly processing, and in particular to an assembly device and assembly process for a spindle. BACKGROUND

[0002] The spindle is the core part of the cotton picker, and is usually conical in shape and has hooking teeth on its surface. When picking cotton, the cotton will be wound on the high-speed rotating spindle, and then separated from the spindle by a cotton stripping device.

[0003] The spindle of the cotton picker usually comprises a rod body, a first bearing and a second bearing rotatably sleeved on the rod body, and a bearing seat fixedly sleeved on the first bearing and the second bearing. A bevel gear is coaxially welded on the rod body. An external thread is formed on the outer side wall of the bearing seat. An annular block is fixedly arranged on the inner ring of the first bearing. A hexagonal block is also fixedly arranged on the side wall of the bearing seat to facilitate the installation of the spindle. After the spindle is assembled, a dust cap is usually pressed into the end of the rod body away from the bevel gear to prevent the cotton from being wound into the first bearing or the second bearing during the cotton picking process, so that the first bearing or the second bearing is stuck.

[0004] At present, when the spindle is assembled, a flow line is usually set up in the processing factory, and multiple processes are set up on the flow line. Special workers are arranged at each process, and the workers sequentially assemble the components of the spindle and press the components. The labor intensity of the workers is large when the spindle is assembled. SUMMARY

[0005] In order to reduce the labor intensity of the workers, the present application provides an assembly device and assembly process for a spindle.

[0006] In the first aspect, the present application provides an assembly device for a spindle, which adopts the following technical scheme:

[0007] An assembling device for spindle rod comprises a frame, a first machining disc and a second machining disc rotatably arranged on the frame, a first driving source arranged on the frame for driving the first machining disc to rotate and a second driving source arranged on the frame for driving the second machining disc to rotate, a plurality of first placing tables arranged on the first machining disc, and a plurality of second placing tables arranged on the second machining disc; a first feeding rack, a second feeding rack, a third feeding rack, a first mounting rack, a fourth feeding rack, a fifth feeding rack and a second mounting rack are sequentially arranged on the frame, the first feeding rack, the second feeding rack, the third feeding rack, the first mounting rack and the fourth feeding rack are circumferentially arranged on the frame along the first machining disc, and the fifth feeding rack and the second mounting rack are fixedly arranged on the outer side of the second machining disc; a first feeding mechanism is arranged on each of the first feeding rack, the second feeding rack, the third feeding rack and the fourth feeding rack, a pressing assembly is arranged on each of the first mounting rack and the second mounting rack, a reversing assembly is arranged between the first machining disc and the second machining disc, and a second feeding mechanism is arranged on the fifth feeding rack; the first feeding mechanism on the first feeding rack is used for placing a first bearing on a first placing table, the first feeding mechanism on the second feeding rack is used for sleeving a bearing seat on the first bearing, the first feeding mechanism on the third feeding rack is used for sleeving a second bearing in the bearing seat, the pressing assembly on the first mounting rack is used for pressing the first bearing and the second bearing into the bearing seat, the first feeding mechanism on the fourth feeding rack is used for inserting a rod body into the first bearing and the second bearing; the reversing assembly is used for reversing the direction of the rod body and placing the rod body on a second placing table; the second feeding mechanism is used for sleeving a dustproof cap on the rod body; and the pressing assembly on the second mounting rack is used for pressing the dustproof cap on the rod body and pressing the rod body and the first bearing and the second bearing.

[0008] By adopting the technical scheme, when the picking spindle is assembled, the first bearing is placed on the first placement table by the first feeding mechanism on the first feeding rack, the first driving source drives the first processing disc to rotate, the first placement table with the first bearing is sequentially transported to the second feeding rack, the third feeding rack, the first mounting rack and the fourth feeding rack, the bearing seat is sleeved on the first bearing by the first feeding mechanism on the second feeding rack, the second bearing is sleeved in the bearing seat by the first feeding mechanism on the third feeding rack, the first bearing and the second bearing are pressed into the bearing seat by the pressing assembly on the first mounting rack, the first bearing, the second bearing and the bearing seat are fixed, the rod body is inserted into the first bearing by the first feeding mechanism on the fourth feeding rack, the rod body is turned over by the reversing assembly and placed on the second placement table, the second driving source drives the second processing disc to rotate, and the rod body is sequentially transported to the fifth feeding rack and the second mounting rack, the dustproof cap is sleeved on the rod body by the second feeding mechanism, the dustproof cap is pressed on the rod body by the pressing assembly on the second mounting rack, and the rod body is pressed with the first bearing and the second bearing, and the assembly of the picking spindle is completed. When the picking spindle is assembled, the staff does not need to assemble each component of the picking spindle, and the labor intensity of the staff is greatly reduced.

[0009] Optionally, the first feeding mechanism comprises a feeding rack, a rotating rack, a third driving source, a first sliding rack and a first driving piece, the feeding rack is provided with a conveying belt for conveying the first bearing, the bearing seat, the second bearing or the rod body, the first feeding rack, the second feeding rack, the third feeding rack and the fourth feeding rack are all fixedly provided with support blocks, the rotating rack is rotatably arranged on the support blocks, the third driving source is used for driving the rotating rack to rotate, the first sliding rack is vertically slidably arranged on the rotating rack, and the first sliding rack is provided with a clamping assembly for clamping the first bearing, the bearing seat, the second bearing or the rod body.

[0010] By adopting the technical scheme, the staff places the first bearing, the bearing seat, the second bearing and the rod body on the corresponding feeding racks respectively, the first bearing, the bearing seat, the second bearing and the rod body are transported to the corresponding first feeding rack, second feeding rack, third feeding rack and fourth feeding rack respectively by the conveying belt on the feeding rack, the third driving source drives the rotating rack to rotate, so that the first sliding rack is located above the feeding rack, the first sliding rack is driven to slide downward by the first driving piece, and the first bearing, the bearing seat, the second bearing or the rod body is fixed on the first sliding rack by the clamping assembly; the first sliding rack is driven to ascend by the first driving piece, and the third driving source drives the rotating rack to rotate, so that the first sliding rack is rotated to above the first placement table, the workpiece is placed on the first placement table by sliding the first sliding rack downward, and the clamping assembly is released, and the feeding is completed.

[0011] Optionally, the first installation hole and the second installation hole are arranged on the first placement table, and the first installation hole and the second installation hole are matched with the bearing seat; the top wall of the first placement table is used for abutting against a hexagonal block on the bearing seat; a shaft rod is arranged in the first installation hole and matched with the inner ring of the first bearing; the first loading mechanism on the first loading frame is used for sleeving the first bearing on the shaft rod; the first fixed frame is fixedly arranged between the first installation frame and the fourth loading frame; and the first fixed frame is provided with a position adjusting assembly used for moving the bearing seat from the first installation hole to the second installation hole.

[0012] By adopting the above technical scheme, when the first bearing is placed on the first placement table, the first bearing is sleeved on the shaft rod, and when the bearing seat is placed on the first placement table, the bearing seat is located in the first installation hole, so that the relative position between the bearing seat and the first bearing is more accurate, and the first bearing and the second bearing are conveniently pressed into the bearing seat; after the first bearing and the second bearing are pressed into the bearing seat, the bearing seat is moved into the second installation hole by the position adjusting assembly, so that the rod body is inserted into the first bearing.

[0013] Optionally, the position adjusting assembly comprises a second sliding frame, a second driving member, a clamping frame and a fourth driving source; the second sliding frame is slidingly arranged on the first fixed frame in the vertical direction; the second driving member is used for driving the second sliding frame to slide; the clamping frame is rotationally arranged on the second sliding frame; and the fourth driving source is used for driving the clamping frame to rotate; the clamping frame is provided with two groups of clamping assemblies; the two groups of clamping assemblies on the clamping frame are used for clamping the bearing seat; and the distance between the two groups of clamping assemblies is matched with the distance between the first installation hole and the second installation hole.

[0014] By adopting the above technical scheme, the second sliding frame is driven to slide downward by the second driving member, so that the bearing seat is located at the position of one group of clamping assemblies on the clamping frame; the bearing seat is clamped by the clamping assembly; then the second sliding frame is driven to slide upward, so that the bearing seat is separated from the first installation hole and the first bearing is separated from the shaft rod; the clamping frame is rotated by 180° by the fourth driving source, so that the bearing seat is located above the second installation hole; the second sliding frame is slid to place the bearing seat in the second installation hole; and the clamping assembly is loosened, so that the bearing seat is moved from the first installation hole to the second installation hole; then the clamping frame is reciprocally flipped on the second sliding frame, and the subsequent workpieces are positioned.

[0015] Optionally, a plurality of support frames are fixedly arranged on the first machining disc, and the support frames correspond to the first storage tables one by one; the first storage tables are slidingly arranged on the support frames in the vertical direction; the support frames are provided with elastic members for driving the first storage tables to slide away from the support frames; and the shaft rod is fixedly arranged on the support frame; the pressing assembly comprises a pressing cylinder and a hydraulic cylinder; the pressing cylinder is vertically arranged in the axial direction; the hydraulic cylinder is fixedly arranged on the first mounting frame or the second mounting frame; the piston rod of the hydraulic cylinder is fixedly connected with the pressing cylinder; the pressing cylinder is arranged on the shaft rod or the rod body in a sleeving manner; and the pressing cylinder is arranged in abutment with the second bearing or the dustproof cap.

[0016] By adopting the above technical scheme, the first machining disc rotates to move the first storage table to the lower side of the pressing cylinder, and the pressing cylinder is opposite to the shaft rod; the pressing cylinder is driven by the hydraulic cylinder to be pressed downward, so that the pressing cylinder is sleeved on the shaft rod, and the pressing cylinder is in abutment with the second bearing; the pressing cylinder is continuously pressed downward; because the hexagonal block on the bearing seat is in abutment with the top wall of the first storage table, the pressure is transmitted to the bearing seat, and the first storage table is driven by the bearing seat to slide toward the support frame, so that the first bearing and the second bearing are pressed into the bearing seat.

[0017] Optionally, the shaft rod is slidingly sleeved with a top cylinder, the top cylinder is arranged in abutment with the first bearing, the inner wall of the top cylinder is fixedly provided with a limiting block, the side wall of the shaft rod is provided with a limiting groove in the length direction of the shaft rod, and the limiting block is slidingly arranged in the limiting groove; the shaft rod is sleeved with a compression spring, one end of the compression spring is in abutment with the support frame, and the other end of the compression spring is in abutment with one end of the top cylinder close to the support frame.

[0018] By adopting the above technical scheme, when the first bearing is sleeved on the shaft rod, the first bearing is in abutment with the top cylinder; when the second bearing is pressed into the bearing seat and is between the first bearing, the first bearing has a certain supporting force and has a buffer space for moving downward, which prevents the workpiece from being damaged due to excessive pressure when the first bearing and the second bearing are pressed into the bearing seat.

[0019] Optionally, a second fixed frame is fixedly arranged between the first fixed frame and the fourth feeding frame; a lifting column is slidingly arranged on the second fixed frame in the vertical direction; a third driving member for driving the lifting column to slide is arranged on the second fixed frame; a fixing assembly for fixing the annular block of the first bearing is arranged on the second fixed frame; a milling cutter is rotatably arranged on the lifting column; the milling cutter is arranged in the first bearing; and a fifth driving source for driving the milling cutter to rotate is arranged on the lifting column.

[0020] By adopting the above technical scheme, the first bearing usually has certain error during machining, and after the first bearing is assembled with the rod body, the central axis of the rod body is prone to eccentricity with the rotating shaft, thereby affecting subsequent use; after the bearing seat is positioned to the second mounting hole position, the bearing seat is moved to the second fixing frame position by the first machining disc, the position of the milling cutter is opposite to that of the first bearing, the annular block of the first bearing is fixed by the fixing assembly, then the milling cutter is driven to rotate by the fifth driving source, the lifting column is driven to slide down by the third driving member, the milling cutter is inserted into the first bearing to mill the inside of the first bearing, thereby eliminating the machining error of the first bearing and improving the finished product quality of the spindle rod.

[0021] Optionally, a third fixing frame is fixedly arranged between the second fixing frame and the fourth feeding frame, a third sliding frame is slidingly arranged on the third fixing frame in the vertical direction, a fourth driving member for driving the third sliding frame to slide is arranged on the third fixing frame, a blowing rod is arranged on the third sliding frame, the blowing rod is used for being inserted into the first bearing, a cavity is arranged in the blowing rod, a plurality of gas outlets communicating with the cavity are formed in the side wall of the blowing rod, and a gas sending assembly for sending gas into the cavity of the blowing rod is arranged on the third fixing frame.

[0022] By adopting the above technical scheme, after the inside of the first bearing is milled, part of the milling debris may be left in the inside of the first bearing, which affects the subsequent assembly of the rod body and the first bearing, the first bearing and the bearing seat after milling are moved to the third fixing frame position by the first machining disc, the blowing rod is opposite to the first bearing, the blowing rod is inserted into the first bearing by driving the third sliding frame to slide by the fourth driving member, and the cavity of the blowing rod is sent with gas by the gas sending assembly, so that the gas is blown out from the gas outlets, thereby blowing off the debris left in the first bearing.

[0023] Optionally, the reversing assembly comprises a fourth sliding frame, a fifth driving member, a fifth sliding frame, a sixth driving member, a sliding block, a pneumatic cylinder, a bogie and a sixth driving source, the fourth sliding frame is slidingly arranged on the rack, the fifth driving member is used for driving the fourth sliding frame to slide, the fifth sliding frame is slidingly arranged on the fourth sliding frame in the vertical direction, the sixth driving member is used for driving the fifth sliding frame to ascend and descend, the sliding block is slidingly arranged on the rack, the pneumatic cylinder is fixedly arranged on the rack, the piston rod of the pneumatic cylinder is fixedly connected with the sliding block, the bogie is rotationally arranged on the sliding block, and the sixth driving source is used for driving the bogie to rotate; a clamping mechanism is arranged on the fifth sliding frame, the clamping mechanism is used for clamping the bearing seat and the rod body, a group of clamping assemblies are arranged on the bogie, the clamping assemblies on the bogie are used for clamping the bearing seat, an abutting piece is fixedly arranged on the bogie, and the abutting piece is used for abutting against the bevel gear on the rod body.

[0024] By adopting the technical scheme, after the rod body is inserted into the first bearing, the clamping mechanism on the fifth sliding frame clamps the bearing seat, then the sixth driving member drives the fifth sliding frame to ascend, the fifth driving member drives the fourth sliding frame to slide, the rod body is shifted to the bogie position, the air cylinder drives the sliding block to slide towards the rod body, the abutting piece abuts against the bevel gear on the rod body, the clamping assembly on the bogie clamps the bearing seat, the sixth driving source drives the bogie to rotate, the direction of the rod body is changed, then the clamping mechanism clamps the bearing seat and the rod body, and the changed rod body is placed on the second placement table.

[0025] In a second aspect, the application provides an assembling process of an assembling device for a spindle rod, which adopts the following technical scheme:

[0026] An assembling process of an assembling device for a spindle rod, comprising the following steps:

[0027] S1, installing a first bearing, placing the first bearing on a first placement table, and making the first bearing pass through the shaft rod;

[0028] S2, installing a bearing seat, sleeving the bearing seat on the first bearing, and making the bearing seat located in the first installation hole;

[0029] S3, placing a second bearing, passing the second bearing through the bearing seat;

[0030] S4, pressing, pressing the first bearing and the second bearing into the bearing seat;

[0031] S5, adjusting the position of the bearing seat, moving the bearing seat into the second installation hole;

[0032] S6, milling, milling the inside of the first bearing by a milling cutter to eliminate the machining error of the first bearing;

[0033] S7, air blowing treatment, blowing the milling debris in the first bearing off by a blowing rod;

[0034] S8, placing a rod body, inserting the rod body into the first bearing;

[0035] S9, changing the direction of the rod body, rotating the rod body and the bearing seat by 180°, and moving the rod body to the second placement table of the second machining disc;

[0036] S10, placing a dustproof cap, sleeving the dustproof cap on the rod body;

[0037] S11, completing the assembly of the spindle rod by pressing the dustproof cap into the bearing seat and pressing the rod body into the first bearing.

[0038] In summary, the application has at least one of the following beneficial technical effects:

[0039] 1. The first bearing is placed on the first shelf, the bearing seat is placed in the first mounting hole when the first bearing is placed on the first shelf, so that the relative position between the bearing seat and the first bearing is more accurate, and the first bearing and the second bearing are pressed into the bearing seat; when the first bearing and the second bearing are pressed into the bearing seat, the bearing seat is moved into the second mounting hole through the adjusting assembly, so that the rod body is inserted into the first bearing;

[0040] 2. When the first bearing is processed, there will be some errors, and after the first bearing is assembled with the rod body, the central axis of the rod body will be eccentric to the rotating shaft, which will affect the subsequent use; after the bearing seat is adjusted to the position of the second mounting hole, the bearing seat is moved to the position of the second fixing frame through the first machining disc, so that the milling cutter is opposite to the position of the first bearing, the annular block of the first bearing is fixed through the fixing assembly, then the milling cutter is driven to rotate through the fifth driving source, the lifting column is driven to slide down through the third driving member, and the milling cutter is inserted into the first bearing to mill the inside of the first bearing, so that the processing error of the first bearing is eliminated and the quality of the finished product of the spindle rod is improved. BRIEF DESCRIPTION OF DRAWINGS

[0041] Figure 1 is a schematic view of the overall structure of the embodiment of the present application;

[0042] Figure 2 is a schematic view of the overall structure of the embodiment of the present application, mainly used to express the structure of the first machining disc;

[0043] Figure 3 is a schematic view of the overall structure of the embodiment of the present application, mainly used to express the structure of the first machining disc;

[0044] Figure 4 is Figure 3 is an enlarged view of part A in FIG. 8;

[0045] Figure 5 is a schematic view of the overall structure of the embodiment of the present application, mainly used to express the structure of the first machining disc;

[0046] Figure 6 is a schematic view of the overall structure of the embodiment of the present application, mainly used to express the structure of the first machining disc;

[0047] Figure 7 is a schematic view of the overall structure of the embodiment of the present application, mainly used to express the structure of the first machining disc;

[0048] Figure 8 is a schematic view of the overall structure of the embodiment of the present application, mainly used to express the structure of the first machining disc;

[0049] Figure 9 FIG. 11 is a partial structural schematic view of an embodiment of the application, which is mainly used to show the structural schematic view of the second processing disc;

[0050] Figure 10 FIG. 12 is a partial structural schematic view of an embodiment of the application, which is mainly used to show the structural schematic view of the reversing assembly;

[0051] Figure 11 FIG. 13 is a partial structural schematic view of an embodiment of the application, which is mainly used to show the structural schematic view of the clamping mechanism.

[0052] Label explanation: 1, rack; 11, first processing disc; 111, first feeding rack; 112, second feeding rack; 113, third feeding rack; 114, first mounting rack; 115, first fixing rack; 1151, second sliding rack; 1152, second driving part; 1153, clamping rack; 1154, fourth driving source; 116, second fixing rack; 1161, lifting column; 1162, third driving part; 1163, milling cutter; 1164, fifth driving source; 1165, driving air cylinder; 1166, second double-action air cylinder; 1167, third clamping block; 1168, fourth clamping block; 117, third fixing rack; 1171, third sliding rack; 1172, fourth driving part; 1173, air blowing rod; 1174, air blower; 1175, air guide pipe; 118, fourth feeding rack; 119, supporting block; 12, second processing disc; 121, fifth feeding rack; 122, second mounting rack; 123, second placement table; 1231, mounting sleeve; 1232, sliding rod; 1233, top block; 1234, supporting spring; 1235, second tension spring; 124, mounting block; 13, first driving source; 14, second driving source; 24, first sliding rack; 25, first driving part; 2, first feeding mechanism; 21, feeding rack; 22, rotating rack; 23, third driving source; 3, pressing assembly; 31, pressing cylinder; 32, hydraulic cylinder; 4, reversing assembly; 41, fourth sliding rack; 411, connecting rack; 42, fifth driving part; 43, fifth sliding rack; 44, sixth driving part; 45, sliding block; 46, air cylinder; 47, bogie; 48, sixth driving source; 5, second feeding mechanism; 51, conveying rack; 52, pressing-down rack; 53, pressing-down sleeve; 54, pressing-down air cylinder; 6, supporting rack; 61, first placement table; 62, first tension spring; 63, shaft rod; 631, top sleeve; 632, compression spring; 7, clamping assembly; 71, first clamping block; 72, second clamping block; 73, first double-action air cylinder; 8, clamping mechanism; 81, fifth clamping block; 82, sixth clamping block; 83, first clamping arm; 84, second clamping arm; 85, third double-action air cylinder; 86, fourth double-action air cylinder. DETAILED DESCRIPTION

[0053] The following will be described in combination with the drawingsFigures 1-11 The application is further described in detail.

[0054] The embodiment of the application discloses an assembling device for a spindle. Figure 1 , comprising a rack 1 and a first machining disc 11 and a second machining disc 12 rotatably arranged on the rack 1, a first feeding frame 111, a second feeding frame 112, a third feeding frame 113, a first mounting frame 114, a first fixing frame 115, a second fixing frame 116, a third fixing frame 117 and a fourth feeding frame 118 are sequentially fixed on the rack 1 and located outside the first machining disc 11, and a fifth feeding frame 121 and a second mounting frame 122 are fixed on the rack 1 and located outside the second machining disc 12.

[0055] Referring to Figure 1 , the first feeding frame 111, the second feeding frame 112, the third feeding frame 113 and the fourth feeding frame 118 are all provided with a first feeding mechanism 2, the first mounting frame 114 and the second mounting frame 122 are all provided with a pressing assembly 3, the first machining disc 11 and the second machining disc 12 are provided with a reversing assembly 4, and the fifth feeding frame 121 is provided with a second feeding mechanism 5.

[0056] Referring to Figure 1 , the rack 1 is provided with a first driving source 13 for driving the first machining disc 11 to rotate, the first driving source 13 comprises a first motor, the first motor is fixedly arranged on the rack 1, and an output shaft of the first motor is coaxially and fixedly connected with the first machining disc 11; the rack 1 is provided with a second driving source 14 for driving the second machining disc 12 to rotate, the second driving source 14 comprises a second motor, the second motor is fixedly arranged on the rack 1, and an output shaft of the second motor is coaxially and fixedly connected with the second machining disc 12.

[0057] Referring to Figure 2 , a plurality of support frames 6 are fixedly arranged on the first machining disc 11, the plurality of support frames 6 are distributed around the first machining disc 11 in a circumferential direction of the first machining disc 11, and the spacing between adjacent two support frames 6 is equal, a first placing table 61 is slidably arranged on each support frame 6 in a vertical direction, a first dovetail groove is formed on the first placing table 61 in the vertical direction, a first dovetail block is fixedly arranged on the support frame 6, the length direction of the first dovetail block is vertical, the first dovetail block is slidably arranged in the first dovetail groove, and the top wall of the first placing table 61 is horizontally arranged, the support frame 6 is provided with an elastic member for driving the first placing table 61 to slide away from the bottom wall of the support frame 6, the elastic member comprises a first tension spring 62, one end of the first tension spring 62 is fixedly connected with the side wall of the support frame 6, and the other end of the first tension spring 62 is fixedly connected with the first placing table 61.

[0058] Referring to Figure 2The first installation hole and the second installation hole are both matched with the bearing seat, the shaft rod 63 is fixedly arranged on the support frame 6, the shaft rod 63 is vertically arranged, and the shaft rod 63 is arranged in the first installation hole, the central axis of the shaft rod 63 coincides with the center of the first installation hole, and the shaft rod 63 is matched with the first bearing.

[0059] With reference to Figure 2 The limiting block is arranged on the inner wall of the top cylinder 631, the side wall of the shaft rod 63 is provided with a limiting groove in the length direction of the shaft rod 63, the limiting block is arranged in the limiting groove in a sliding mode, the compression spring 632 is arranged on the shaft rod 63, one end of the compression spring 632 is in abutment with the support frame 6, and the other end of the compression spring 632 is in abutment with one end of the top cylinder 631 close to the support frame 6.

[0060] With reference to Figure 3 、 4 The first feeding mechanism 2 comprises a feeding frame 21, a rotating frame 22, a third driving source 23, a first sliding frame 24 and a first driving part 25, the feeding frame 21 is fixedly arranged on the rack 1, two guide plates are fixedly arranged on the feeding frame 21, the two guide plates are parallel, the feeding frame 21 is provided with a conveying belt for conveying the first bearing, the bearing seat, the second bearing or the rod body, the conveying belt is arranged between the two guide plates, and the conveying direction of the conveying belt is parallel to the guide plates, the conveying belt for conveying the first bearing, the bearing seat and the second bearing is arranged in a group, the first bearing, the bearing seat and the second bearing are directly placed on the conveying belt, the feeding frame 21 for conveying the rod body is provided with two groups of conveying belts, the transmission directions of the two groups of conveying belts are parallel, and a gap is arranged between the two conveying belts, the rod body is placed between the two conveying belts, and the bevel gear on the rod body is placed on the two conveying belts.

[0061] With reference to Figure 3 、 4 The first feeding frame 111, the second feeding frame 112, the third feeding frame 113 and the fourth feeding frame 118 are all fixedly provided with support blocks 119, the rotating frame 22 is rotatably arranged on the support blocks 119, and the rotating shaft of the rotating frame 22 is vertical, the third driving source 23 comprises a third motor, the third motor is fixedly arranged on the support blocks 119, the output shaft of the third motor is coaxially fixedly connected with the rotating frame 22, the first sliding frame 24 is slidably arranged on the rotating frame 22 in a vertical direction, and the first driving part 25 comprises a first air cylinder, the first air cylinder is fixedly arranged on the rotating frame 22, and the piston rod of the first air cylinder is fixedly connected with the first sliding frame 24.

[0062] With reference to Figure 4The first sliding frame 24 is provided with a clamping assembly 7 for clamping the first bearing, the bearing seat, the second bearing or the rod body, the clamping assembly 7 comprising a first clamping block 71, a second clamping block 72 and a first bidirectional air cylinder 73, the first clamping block 71 and the second clamping block 72 being slidingly arranged on the first sliding frame 24 in a direction of approaching or moving away from each other, and the first bidirectional air cylinder 73 being fixedly arranged on the first sliding frame 24, one of the piston rods of the first bidirectional air cylinder 73 being fixedly connected with the first clamping block 71, and the other piston rod of the first bidirectional air cylinder 73 being fixedly connected with the second clamping block 72.

[0063] With reference to Figure 5 The pressing assembly 3 comprises a pressing cylinder 31 and a hydraulic cylinder 32, the pressing cylinder 31 being axially vertical, and the hydraulic cylinder 32 being fixedly arranged on the first mounting frame 114 or the second mounting frame 122, the piston rod of the hydraulic cylinder 32 being fixedly connected with the pressing cylinder 31, the pressing cylinder 31 being used for sleeving on the shaft 63 or the rod body, and the pressing cylinder 31 being used for abutting against the second bearing or the dustproof cap.

[0064] With reference to Figure 6 The first fixed frame 115 is provided with a positioning assembly for moving the bearing seat from the first mounting hole to the second mounting hole, the positioning assembly comprising a second sliding frame 1151, a second driving member 1152, a clamping frame 1153 and a fourth driving source 1154, the second sliding frame 1151 being slidingly arranged on the first fixed frame 115 in a vertical direction, the second driving member 1152 comprising a second air cylinder, the second air cylinder being fixedly arranged on the first fixed frame 115, the piston rod of the second air cylinder being fixedly connected with the second sliding frame 1151, the clamping frame 1153 being rotatably arranged on the second sliding frame 1151, and the fourth driving source 1154 comprising a fourth motor, the output shaft of the fourth motor being fixedly connected with the clamping frame 1153, and the rotation axis of the clamping frame 1153 being horizontally arranged.

[0065] With reference to Figure 6 The clamping frame 1153 is provided with two groups of clamping assemblies 7, the two groups of clamping assemblies 7 on the clamping frame 1153 being used for clamping the bearing seat, the first clamping groove on the first clamping block 71 and the second clamping block 72 on the clamping frame 1153 being matched with the bearing seat, and the spacing of the two groups of clamping assemblies 7 being matched with the spacing between the first mounting hole and the second mounting hole.

[0066] With reference to Figure 7The lifting column 1161 is vertically arranged on the second fixing frame 116, the length direction of the lifting column 1161 is vertical, the third driving part 1162 for driving the lifting column 1161 to slide is arranged on the second fixing frame 116, the third driving part 1162 comprises a third cylinder, the third cylinder is fixedly arranged on the second fixing frame 116, the piston rod of the third cylinder is fixedly connected with the lifting column 1161, the milling cutter 1163 is rotatably arranged on the lifting column 1161, the axial direction of the milling cutter 1163 is vertical, the milling cutter 1163 is matched with the inner ring of the first bearing, the fifth driving source 1164 for driving the milling cutter 1163 to rotate is arranged on the lifting column 1161, the fifth driving source 1164 comprises a fifth motor, the bottom wall of the lifting column 1161 is provided with a containing groove, the fifth motor is fixedly arranged in the containing groove, and the output shaft of the fifth motor is coaxially and fixedly connected with the milling cutter 1163.

[0067] With reference to Figure 7 The fixing assembly for fixing the annular block of the first bearing is arranged on the second fixing frame 116, the fixing assembly comprises a driving cylinder 1165, a second bidirectional cylinder 1166, a third clamping block 1167 and a fourth clamping block 1168, the driving cylinder 1165 is fixedly arranged on the second fixing frame 116, the second bidirectional cylinder 1166 is fixedly arranged on the piston rod of the driving cylinder 1165, the third clamping block 1167 is fixedly connected with one of the piston rods of the second bidirectional cylinder 1166, and the fourth clamping block 1168 is fixedly connected with the other piston rod of the second bidirectional cylinder 1166.

[0068] With reference to Figure 8 The third sliding frame 1171 is slidably arranged on the third fixing frame 117 in the vertical direction, the fourth driving part 1172 for driving the third sliding frame 1171 to slide is arranged on the third fixing frame 117, the fourth driving part 1172 comprises a fourth cylinder, the fourth cylinder is fixedly arranged on the third fixing frame 117, the piston rod of the fourth cylinder is fixedly connected with the third sliding frame 1171, the blowing rod 1173 is fixedly arranged on the third sliding frame 1171, the length direction of the blowing rod 1173 is vertical, the diameter of the blowing rod 1173 is smaller than the inner diameter of the inner ring of the first bearing, the inside of the blowing rod 1173 is provided with a cavity, and a plurality of air outlet holes in communication with the cavity are formed in the side wall of the blowing rod 1173.

[0069] With reference to Figure 8 The air supply assembly for supplying air into the cavity of the blowing rod 1173 is arranged on the third fixing frame 117, the air supply assembly comprises a fan 1174 and an air guide pipe 1175, the fan 1174 is fixedly arranged on the third fixing frame 117, one end of the air guide pipe 1175 is in communication with the air outlet of the fan 1174, the other end of the fan 1174 is in communication with the cavity of the blowing rod 1173, and the air guide pipe 1175 is a flexible pipe.

[0070] With reference toFigure 9 A plurality of second storage tables 123 are fixedly arranged on the side wall of the second processing disc 12, the plurality of second storage tables 123 are distributed around the axial direction of the second processing disc 12, the spacing between adjacent two second storage tables 123 is equal, a mounting block 124 is slidably arranged on the second storage table 123 in the vertical direction, a second dovetail groove is formed on the mounting block 124 in the vertical direction, a second dovetail block is fixedly arranged on the second storage table 123, the length direction of the second dovetail block is vertical, the second dovetail block is slidably arranged in the second dovetail groove, and a third mounting hole compatible with the bearing seat is formed on the mounting block 124.

[0071] Referring to Figure 9 One end of the second storage table 123 close to the mounting block 124 is fixedly provided with a mounting sleeve 1231, the axial direction of the mounting sleeve 1231 is vertical, a sliding rod 1232 is slidably arranged in the mounting sleeve 1231 in the axial direction of the mounting sleeve 1231, a top block 1233 is fixedly arranged at the top end of the sliding rod 1232, a supporting spring 1234 is sleeved on the sliding rod 1232, one end of the supporting spring 1234 abuts against the top wall of the mounting sleeve 1231, the other end of the supporting spring 1234 abuts against the top block 1233, the side wall of the second storage table 123 is fixedly provided with a second tension spring 1235, one end of the second tension spring 1235 is fixedly connected with the second storage table 123, and the other end of the second tension spring 1235 is fixedly connected with the mounting block 124; when the bearing seat provided with the rod body is placed into the third mounting hole, the bevel gear on the rod body abuts against the top wall of the top block 1233.

[0072] When the dustproof cap is pressed tightly against the rod body, the dustproof cap abuts against the bearing seat and pushes the bearing seat to slide downward, the bearing seat drives the mounting block 124 to slide downward, thereby shortening the distance between the bearing seat and the bevel gear on the rod body, so that the rod body is pressed tightly against the first bearing and the second bearing while the dustproof cap is pressed tightly against the rod body.

[0073] Referring to Figure 9 The second feeding mechanism 5 comprises a conveying frame 51, a pressing frame 52, a pressing sleeve 53 and a pressing cylinder 54, the conveying frame 51 is fixedly connected with the fifth feeding frame 121, the conveying frame 51 is also provided with a conveying belt, and the conveying frame 51 is fixedly provided with a baffle on both sides of the conveying belt in the conveying direction of the conveying belt, the dustproof cap is placed between the two baffles and on the conveying belt, the pressing frame 52 is slidably arranged on the fifth feeding frame 121 in the vertical direction, the pressing sleeve 53 is fixedly arranged on the pressing frame 52, and the axial direction of the pressing sleeve 53 is vertical, and the pressing cylinder 54 is fixedly arranged on the fifth feeding frame 121, and the piston rod of the pressing cylinder 54 is fixedly connected with the pressing frame 52.

[0074] The second placing table 123 is moved to the directly below of the pressing sleeve 53 through the second processing disc 12, the dustproof cap is conveyed to the pressing sleeve 53 through the conveying belt on the conveying frame 51, when the dustproof cap is separated from the conveying frame 51, the dustproof cap falls and is sleeved on the rod body under the action of gravity, then the pressing cylinder 54 drives the pressing frame 52 to slide downwards, so that the pressing sleeve 53 is sleeved on the rod body and abuts against the dustproof cap, the pressing sleeve 53 is continuously driven to press downwards, the dustproof cap is pressed downwards by a certain distance, and the dustproof cap and the rod body are pre-pressed.

[0075] With reference to Figure 10 , the reversing assembly 4 comprises a fourth sliding frame 41, a fifth driving member 42, a fifth sliding frame 43, a sixth driving member 44, a sliding block 45, a pneumatic cylinder 46, a bogie 47 and a sixth driving source 48, the fourth sliding frame 41 is slidably arranged on the rack 1 in the horizontal direction, the fifth driving member 42 comprises a rodless cylinder, the rodless cylinder is fixedly arranged on the rack 1, the fourth sliding frame 41 is fixedly connected with the piston of the rodless cylinder, the fourth sliding frame 41 is slidably arranged with a connecting frame 411 in the vertical direction, the connecting frame 411 is fixedly arranged with two fifth sliding frames 43, the sixth driving member 44 comprises a fifth cylinder, the fifth cylinder is fixedly arranged on the fourth sliding frame 41, and the piston rod of the fifth cylinder is fixedly connected with the connecting frame 411.

[0076] With reference to Figure 10 , the sliding block 45 is slidably arranged on the rack 1 in the horizontal direction, and the sliding direction of the sliding block 45 is perpendicular to the sliding direction of the fourth sliding frame 41, the pneumatic cylinder 46 is fixedly arranged on the rack 1, and the piston rod of the pneumatic cylinder 46 is fixedly connected with the sliding block 45, the bogie 47 is rotatably arranged on the sliding block 45, the rotation axis of the bogie 47 is parallel to the sliding direction of the sliding block 45, and the sixth driving source 48 comprises a sixth motor, the sixth motor is fixedly arranged on the sliding block 45, and the output shaft of the sixth motor is fixedly connected with the bogie 47; a group of clamping assemblies 7 are arranged on the bogie 47, the clamping assemblies 7 on the bogie 47 are used for clamping the bearing seat, and an abutting piece is fixedly arranged on the bogie 47 and used for abutting against the bevel gear on the rod body.

[0077] With reference to Figure 10 , 11The fifth sliding frame 43 is provided with a clamping mechanism 8, and the clamping mechanism 8 comprises a fifth clamping block 81, a sixth clamping block 82, a first clamping arm 83, a second clamping arm 84, a third double-acting cylinder 85 and a fourth double-acting cylinder 86. The third double-acting cylinder 85 and the fourth double-acting cylinder 86 are fixedly arranged on the fifth sliding frame 43. One piston rod of the third double-acting cylinder 85 is fixedly connected with the fifth clamping block 81, and the other piston rod of the third double-acting cylinder 85 is fixedly connected with the sixth clamping block 82. One piston rod of the fourth double-acting cylinder 86 is fixedly connected with the first clamping arm 83, and the other piston rod of the fourth double-acting cylinder 86 is fixedly connected with the second clamping arm 84. The fifth clamping block 81 and the sixth clamping block 82 are used for clamping the bearing seat, and the first clamping arm 83 and the second clamping arm 84 are used for clamping the rod body.

[0078] The working personnel respectively place the first bearing, the bearing seat, the second bearing and the rod body on the corresponding feeding frame 21, and place the dustproof cap on the conveying frame 51. The first bearing, the bearing seat, the second bearing and the rod body are respectively transported to the corresponding first feeding frame 111, second feeding frame 112, third feeding frame 113 and fourth feeding frame 118 by the conveying belt on the feeding frame 21. The dustproof cap is conveyed to the lower pressing sleeve 53 by the conveying belt on the conveying frame 51.

[0079] The first driving source 13 drives the first machining disc 11 to rotate, and the first placement table 61 is sequentially moved to the first feeding frame 111, the second feeding frame 112, the third feeding frame 113, the first mounting frame 114, the first fixing frame 115, the second fixing frame 116, the third fixing frame 117 and the fourth feeding frame 118. The third driving source 23 drives the rotating frame 22 to rotate, so that the first sliding frame 24 is located above the feeding frame 21. The first sliding frame 24 is driven to slide downward by the first driving part 25, and the first bearing, the bearing seat, the second bearing or the rod body is clamped by the first clamping block 71 and the second clamping block 72. The first sliding frame 24 is driven to rise by the first driving part 25, and the rotating frame 22 is driven to rotate by the third driving source 23, so that the first sliding frame 24 rotates to above the first placement table 61. The first sliding frame 24 is slid downward to place the workpiece on the first placement table 61. The first feeding mechanism 2 on the first feeding frame 111 places the first bearing on the first placement table 61 and sleeves the shaft rod 63. The first feeding mechanism 2 on the second feeding frame 112 sleeves the bearing seat on the first bearing. The first feeding mechanism 2 on the third feeding frame 113 penetrates the second bearing into the bearing seat. The first feeding mechanism 2 on the fourth feeding frame 118 inserts the rod body into the first bearing.

[0080] After the second bearing is arranged in the bearing seat, the first storage table 61 is moved to the first mounting frame 114, and the pressing cylinder 31 is opposite to the shaft rod 63. The pressing cylinder 31 is driven to be pressed downward by the hydraulic cylinder 32, so that the pressing cylinder 31 is sleeved on the shaft rod 63, and the pressing cylinder 31 is in abutment with the second bearing. The pressing cylinder 31 is continuously pressed downward. Since the hexagonal block on the bearing seat is in abutment with the top wall of the first storage table 61, the pressure is transmitted to the bearing seat, and the first storage table 61 is driven to slide towards the support frame 6 by the bearing seat, so that the first bearing and the second bearing are pressed into the bearing seat, and the first bearing, the second bearing and the bearing seat are assembled.

[0081] After the first bearing, the second bearing and the bearing seat are combined, the first storage table 61 is moved to the first fixed frame 115, the second sliding frame 1151 is driven to slide downward by the second driving element 1152, so that the bearing seat is located between the first clamping block 71 and the second clamping block 72 of one set of clamping assemblies 7 on the clamping frame 1153. The bearing seat is clamped by the first clamping block 71 and the second clamping block 72. Then, the second sliding frame 1151 is driven to slide upward, so that the bearing seat is separated from the first mounting hole, and the first bearing is separated from the shaft rod 63. The clamping frame 1153 is driven to rotate 180° by the fourth driving source 1154, so that the bearing seat is located above the second mounting hole. The bearing seat is placed in the second mounting hole by sliding the second sliding frame 1151. The first clamping block 71 and the second clamping block 72 are loosened, so that the bearing seat is moved from the first mounting hole to the second mounting hole.

[0082] After the bearing seat is positioned to the second mounting hole, the first storage table 61 is moved to the second fixed frame 116, so that the milling cutter 1163 is opposite to the first bearing. The second bidirectional cylinder 1166 is driven to slide by the driving cylinder 1165, so that the annular block on the first bearing is located between the third clamping block 1167 and the fourth clamping block 1168. The second bidirectional cylinder 1166 drives the third clamping block 1167 and the fourth clamping block 1168 to approach each other, so as to clamp and fix the annular block on the first bearing. Then, the milling cutter 1163 is driven to rotate by the fifth driving source 1164, and the lifting column 1161 is driven to slide downward by the third driving element 1162, so that the milling cutter 1163 is inserted into the first bearing to mill the inside of the first bearing, thereby eliminating the machining error of the first bearing.

[0083] After the inside of the first bearing is milled, the first storage table 61 is moved to the third fixed frame 117, so that the blowing rod 1173 is opposite to the first bearing. The blowing rod 1173 is inserted into the first bearing by driving the third sliding frame 1171 to slide by the fourth driving element 1172. The fan 1174 is started to blow gas into the cavity of the blowing rod 1173 through the air guide pipe 1175. The gas is blown out from the gas outlet hole to blow off the debris remaining in the first bearing. Then, the rod body is inserted into the first bearing by the first feeding mechanism 2 on the fourth feeding frame 118.

[0084] After the rod body is inserted into the first bearing, the bearing seat is clamped by one of the clamping assemblies 7 on the fifth sliding frame 43, then the sixth driving member 44 drives the fifth sliding frame 43 to rise, the fifth driving member 42 drives the fourth sliding frame 41 to slide, so that the rod body slides to the position of the steering frame 47, the air cylinder 46 drives the sliding block 45 to slide towards the rod body, so that the abutting piece abuts against the bevel gear on the rod body, the bearing seat is clamped by the clamping assembly 7 on the steering frame 47, and the sixth driving source 48 drives the steering frame 47 to rotate, so that the direction of the rod body is changed, then the bearing seat and the rod body are clamped by the two sets of clamping assemblies 7 on the fifth sliding frame 43, and the rod body after the direction is changed is placed on the second placement table 123.

[0085] The second placement table 123 is moved to the position of the fifth feeding frame 121, and the rod body is located directly below the pressing sleeve 53, the dustproof cap is conveyed to the pressing sleeve 53 by the conveying belt on the conveying frame 51, when the dustproof cap is separated from the conveying frame 51, the dustproof cap falls under the action of gravity and is sleeved on the rod body, then the pressing cylinder 54 drives the pressing frame 52 to slide downwards, so that the pressing sleeve 53 is sleeved on the rod body and abuts against the dustproof cap, the pressing sleeve 53 continues to be pressed downwards, and the dustproof cap is pressed downwards by a certain distance, so that the dustproof cap and the rod body are pre-pressed.

[0086] After the dustproof cap is sleeved on the rod body, the second placement table is moved to the position of the second mounting frame 122, the rod body is opposite to the pressing cylinder 31 on the second mounting frame 122, the pressing cylinder 31 is pressed downwards, so that the pressing cylinder 31 is sleeved on the rod body and abuts against the dustproof cap, when the dustproof cap and the rod body are pressed, the dustproof cap abuts against the bearing seat and pushes the bearing seat to slide downwards, the bearing seat drives the mounting block 124 to slide downwards, so that the distance between the bearing seat and the bevel gear on the rod body is shortened, so that the rod body and the first bearing and the second bearing are pressed at the same time when the dustproof cap is pressed on the rod body, the assembly of the spindle is completed, and the staff does not need to assemble the components of the spindle during the assembly of the spindle, so that the labor intensity of the staff is greatly reduced.

[0087] The embodiment of the application further discloses an assembly process of the assembly device of the spindle, and the assembly process comprises the following steps.

[0088] S1, installing a first bearing, placing the first bearing on the first placement table 61, and making the first bearing pass through the shaft 63;

[0089] S2, installing a bearing seat, sleeving the bearing seat on the first bearing, and making the bearing seat be located in the first mounting hole;

[0090] S3, placing a second bearing, and passing the second bearing through the bearing seat;

[0091] S4, pressing, and pressing the first bearing and the second bearing into the bearing seat.

[0092] S5, adjusting the position of the bearing seat, moving the bearing seat into the second mounting hole;

[0093] S6, milling processing, milling the inside of the first bearing by the milling cutter 1163 to eliminate the machining error of the first bearing;

[0094] S7, blowing treatment, blowing the milling debris in the inside of the first bearing off by the blowing rod 1173;

[0095] S8, placing the rod body, inserting the rod body into the first bearing;

[0096] S9, reversing the rod body, rotating the rod body and the bearing seat by 180°, and moving the rod body to the second placement table 123 of the second machining disc 12;

[0097] S10, placing the dustproof cap, sleeving the dustproof cap on the rod body;

[0098] S11, completing the assembly of the spindle pulling rod by pressing the dustproof cap into the bearing seat and pressing the rod body into the first bearing.

[0099] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. An assembly device for a spindle, characterized by: The machine frame (1) is provided with a first machining disc (11) and a second machining disc (12) which are rotatably arranged on the machine frame (1), the machine frame (1) is provided with a first driving source (13) for driving the first machining disc (11) to rotate and a second driving source (14) for driving the second machining disc (12) to rotate, the first machining disc (11) is provided with a plurality of first placement tables (61), and the second machining disc (12) is provided with a plurality of second placement tables (123); The machine frame (1) is sequentially provided with a first feeding frame (111), a second feeding frame (112), a third feeding frame (113), a first mounting frame (114), a fourth feeding frame (118), a fifth feeding frame (121) and a second mounting frame (122), the first feeding frame (111), the second feeding frame (112), the third feeding frame (113), the first mounting frame (114) and the fourth feeding frame (118) are circumferentially arranged on the machine frame (1) along the first machining disc (11), and the fifth feeding frame (121) and the second mounting frame (122) are fixedly arranged on the outer side of the second machining disc (12); The first feeding frame (111), the second feeding frame (112), the third feeding frame (113) and the fourth feeding frame (118) are all provided with a first feeding mechanism (2), the first mounting frame (114) and the second mounting frame (122) are both provided with a pressing assembly (3), a reversing assembly (4) is arranged between the first machining disc (11) and the second machining disc (12), and the fifth feeding frame (121) is provided with a second feeding mechanism (5); The first feeding mechanism (2) on the first feeding frame (111) is used for placing a first bearing on the first placement table (61), the first feeding mechanism (2) on the second feeding frame (112) is used for sleeving a bearing seat on the first bearing, the first feeding mechanism (2) on the third feeding frame (113) is used for sleeving a second bearing in the bearing seat, the pressing assembly (3) on the first mounting frame (114) is used for pressing the first bearing and the second bearing into the bearing seat, the first feeding mechanism (2) on the fourth feeding frame (118) is used for inserting a rod body into the first bearing and the second bearing, the reversing assembly (4) is used for reversing the direction of the rod body and placing the rod body on the second placement table (123), the second feeding mechanism (5) is used for sleeving a dustproof cap on the rod body, and the pressing assembly (3) on the second mounting frame (122) is used for pressing the dustproof cap on the rod body and pressing the rod body and the first bearing and the second bearing; The first placement table (61) is provided with a first mounting hole and a second mounting hole, the first mounting hole and the second mounting hole are matched with the bearing seat, the top wall of the first placement table (61) is used for abutting against a hexagonal block on the bearing seat, a shaft rod (63) is sleeved in the first mounting hole, the shaft rod (63) is matched with the inner ring of the first bearing, and the first feeding mechanism (2) on the first feeding frame (111) is used for sleeving the first bearing on the shaft rod (63). A plurality of support frames (6) are fixedly arranged on the first processing disc (11), and the support frames (6) correspond to first shelves (61) one by one, the first shelves (61) are slidingly arranged on the support frames (6) in the vertical direction, the support frames (6) are provided with elastic members for driving the first shelves (61) to slide away from the support frames (6), and the shaft rods (63) are fixedly arranged on the support frames (6); A top cylinder (631) is slidingly arranged on the shaft rod (63), the top cylinder (631) is used for abutting against the first bearing, a limiting block is fixedly arranged on the inner wall of the top cylinder (631), a limiting groove is formed in the side wall of the shaft rod (63) in the length direction of the shaft rod (63), the limiting block is slidingly arranged in the limiting groove, a compression spring (632) is arranged on the shaft rod (63), one end of the compression spring (632) abuts against the support frame (6), and the other end of the compression spring (632) abuts against one end of the top cylinder (631) close to the support frame (6).

2. An assembly for a spindle as claimed in claim 1, wherein: The first feeding mechanism (2) comprises a feeding frame (21), a rotating frame (22), a third driving source (23), a first sliding frame (24) and a first driving member (25), the feeding frame (21) is provided with a conveying belt for conveying the first bearing, the bearing seat, the second bearing or the rod body, the first feeding frame (111), the second feeding frame (112), the third feeding frame (113) and the fourth feeding frame (118) are all fixedly provided with support blocks (119), the rotating frame (22) is rotatably arranged on the support blocks (119), the third driving source (23) is used for driving the rotating frame (22) to rotate, the first sliding frame (24) is slidingly arranged on the rotating frame (22) in the vertical direction, and the first driving member (25) is used for driving the first sliding frame (24) to slide.

3. An assembly for a spindle as claimed in claim 2, wherein: A first fixing frame (115) is fixedly arranged between the first mounting frame (114) and the fourth feeding frame (118), and the first fixing frame (115) is provided with a position adjusting assembly for moving the bearing seat from the first mounting hole to the second mounting hole.

4. An assembly for a spindle as claimed in claim 3, wherein: The position adjusting assembly comprises a second sliding frame (1151), a second driving member (1152), a clamping frame (1153) and a fourth driving source (1154), the second sliding frame (1151) is slidingly arranged on the first fixing frame (115) in the vertical direction, the second driving member (1152) is used for driving the second sliding frame (1151) to slide, the clamping frame (1153) is rotatably arranged on the second sliding frame (1151), and the fourth driving source (1154) is used for driving the clamping frame (1153) to rotate. The clamping frame (1153) is provided with two groups of the clamping assemblies (7), the two groups of clamping assemblies (7) on the clamping frame (1153) are all used for clamping the bearing seat, and the spacing of the two groups of clamping assemblies (7) is adapted to the spacing between the first mounting hole and the second mounting hole.

5. An assembly for a spindle as claimed in claim 4, wherein: The pressing assembly (3) comprises a pressing cylinder (31) and a hydraulic cylinder (32), the pressing cylinder (31) is axially vertical, the hydraulic cylinder (32) is fixedly arranged on the first mounting frame (114) or the second mounting frame (122), the piston rod of the hydraulic cylinder (32) is fixedly connected with the pressing cylinder (31), the pressing cylinder (31) is arranged on the shaft rod (63) or the rod body, and the pressing cylinder (31) is arranged on the second bearing or the dustproof cap.

6. An assembly for a spindle as claimed in claim 4, wherein: The second fixed frame (116) is fixedly arranged between the first fixed frame (115) and the fourth feeding frame (118), the second fixed frame (116) is slidably arranged with a lifting column (1161) in the vertical direction, the second fixed frame (116) is provided with a third driving element (1162) for driving the lifting column (1161) to slide, the second fixed frame (116) is provided with a fixing assembly for fixing the first bearing upper annular block, the milling cutter (1163) is rotatably arranged on the lifting column (1161), and the milling cutter (1163) is arranged in the first bearing.

7. An assembly for a spindle as claimed in claim 6, wherein: The third fixed frame (117) is fixedly arranged between the second fixed frame (116) and the fourth feeding frame (118), the third fixed frame (117) is slidably arranged with a third sliding frame (1171) in the vertical direction, the third fixed frame (117) is provided with a fourth driving element (1172) for driving the third sliding frame (1171) to slide, the third sliding frame (1171) is provided with a blowing rod (1173), the blowing rod (1173) is arranged in the first bearing, the blowing rod (1173) is provided with a cavity, a plurality of air outlet holes communicating with the cavity are formed in the side wall of the blowing rod (1173), and the third fixed frame (117) is provided with a gas sending assembly for sending gas into the cavity of the blowing rod (1173).

8. An assembly for a spindle as claimed in claim 2, wherein: The reversing assembly (4) comprises a fourth sliding frame (41), a fifth driving element (42), a fifth sliding frame (43), a sixth driving element (44), a sliding block (45), a pneumatic cylinder (46), a bogie (47) and a sixth driving source (48), the fourth sliding frame (41) is slidably arranged on the rack (1), the fifth driving element (42) is used for driving the fourth sliding frame (41) to slide, the fifth sliding frame (43) is slidably arranged on the fourth sliding frame (41) in the vertical direction, the sixth driving element (44) is used for driving the fifth sliding frame (43) to ascend and descend, the sliding block (45) is slidably arranged on the rack (1), the pneumatic cylinder (46) is fixedly arranged on the rack (1), the piston rod of the pneumatic cylinder (46) is fixedly connected with the sliding block (45), the bogie (47) is rotatably arranged on the sliding block (45), and the sixth driving source (48) is used for driving the bogie (47) to rotate. The fifth sliding frame (43) is provided with a clamping mechanism (8) for clamping the bearing seat and the rod body, the bogie (47) is provided with a group of clamping assemblies (7) for clamping the bearing seat, and the bogie (47) is fixedly provided with an abutting piece for abutting the bevel gear on the rod body.

9. A process for assembling a spindle assembly according to claim 8, wherein The method comprises the following steps: S1, installing a first bearing, placing the first bearing on a first placement table (61), and passing the first bearing through a shaft rod (63); S2, installing a bearing seat, sleeving the bearing seat on the first bearing, and locating the bearing seat in a first mounting hole; S3, placing a second bearing, passing the second bearing through the bearing seat; S4, pressing, pressing the first bearing and the second bearing into the bearing seat; S5, adjusting the position of the bearing seat, moving the bearing seat into a second mounting hole; S6, milling, milling the inside of the first bearing by a milling cutter (1163) to eliminate the machining error of the first bearing; S7, air blowing treatment, blowing the milling debris in the first bearing off by an air blowing rod (1173); S8, placing a rod body, inserting the rod body into the first bearing; S9, reversing the rod body, rotating the rod body and the bearing seat by 180°, and moving the rod body to a second placement table (123) of a second machining disc (12); S10, placing a dustproof cap, sleeving the dustproof cap on the rod body; S11, completing the assembly of the picking spindle rod by pressing the dustproof cap into the bearing seat and pressing the rod body into the first bearing.

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