CN211550313U - Full-automatic ball bearing assembly production line - Google Patents

Abstract

The utility model provides a full-automatic ball bearing assembly line. It has solved current technical problem. This full-automatic ball bearing assembly line, including the pearl platform inlay pearl platform one side butt joint and have the pay-off seat, the pearl platform of inlaying be equipped with the material conveying board with one side of pay-off seat butt joint, the middle part of pearl platform inlay be inlayed and be equipped with inlay pearl seat and should inlay pearl seat and inlay pearl platform lateral reciprocating motion relatively, inlay pearl seat upper end stretch out in the pearl platform of inlaying, just inlay the pearl bench open and have the open slot that supplies to inlay pearl seat reciprocating motion, the pearl seat on be equipped with a plurality of clamping ejector pins that are the annular arrangement, the pay-off seat in open and to have the bar wheel trough of belt, the bar wheel trough of belt in be equipped with the pay-off area, the pay-off seat on still be equipped with the regulating plate that is located the pay-off area both sides respectively, the regulating plate pass through glide machanism and link to each. The utility model has the advantages of can realize not unidimensional bearing inner race's pay-off and assembly.

Description

Full-automatic ball bearing assembly production line

Technical Field

The utility model belongs to the technical field of mechanical equipment, especially, relate to a full-automatic ball bearing assembly line.

Background

The bearing is a lightweight part in the modern mechanical equipment, and whether the bearing is installed or not affects the precision, the service life and the performance of the bearing, and further affects the precision, the service life and the performance of the machinery using the bearing. The assembly process of the bearing is an extremely complex process and imposes stringent requirements on the assembly technique. When the bearing inner ring and the bearing outer ring are assembled with embedded balls, the bearing outer ring is mostly conveyed to the embedded ball table firstly, and then the embedded balls are assembled between the bearing outer ring and the bearing inner ring through the embedded ball table. Then the diameter of the ball embedding seat of the bearing inner ring of the existing ball embedding device is large and is not adjustable, the assembly of the bearing inner rings with different sizes cannot be realized, in addition, the feeding device for feeding the ball embedding device only can feed the bearing outer ring with a single size, the application range is small, and the equipment cost is high.

To solve this problem, people have also conducted research and study in long-term production and living practices, for example, chinese utility model patent discloses a bearing ball automatic feeding production line [ application number: 201520650009.7], the utility model discloses a include autoloading structure, automatic feeding structure and control system, the autoloading structure includes the outer lane autoloading device that is used for conveying the bearing inner race and the inner circle autoloading device that is used for conveying the bearing inner race, the automatic feeding structure, including the first transfer passage that is used for carrying the bearing inner race for the second transfer passage of carrying the bearing inner race, be used for carrying the working channel of bearing inner race and bearing inner race that the assembly is in the same place and be used for screening ball quantity and the batching mechanism of size.

The solution described above improves to some extent some of the problems of the prior art, but it also has at least the following drawbacks: the feeding and the assembly of the bearing outer rings with different sizes cannot be realized, and the application range is small.

Disclosure of Invention

The utility model aims at the above-mentioned problem, a can realize not full-automatic ball bearing assembly line of pay-off and assembly of unidimensional bearing inner race is provided.

In order to achieve the above purpose, the utility model adopts the following technical proposal: the full-automatic ball bearing assembly production line comprises a ball embedding table, wherein a feeding seat is butted on one side of the ball embedding table, a material conveying plate is arranged on one side of the ball embedding table, which is butted with the feeding seat, a ball embedding seat is embedded in the middle of the ball embedding table and can move in a reciprocating manner relative to the ball embedding table, the upper end of the ball embedding seat extends out of the ball embedding table, an open slot for the ball embedding seat to move in a reciprocating manner is formed in the ball embedding table, a plurality of material clamping ejector rods which are arranged in an annular manner are arranged on the ball embedding seat, one end, which is close to the middle of the ball embedding seat, of each material clamping ejector rod is abutted against a spreading mechanism arranged in the ball embedding seat, a strip wheel belt groove is formed in the feeding seat, a material conveying plate which is arranged in the feeding seat and is inclined relative to the feeding belt is arranged adjacent to one end of the feeding belt, and adjusting plates which are respectively arranged on two sides of the feeding belt are also arranged on the feeding seat, the adjusting plate is connected with the feeding seat through a sliding mechanism, and the adjusting plate can be relatively close to or far away from the feeding belt in the short axis direction of the feeding belt through the sliding mechanism.

In the full-automatic ball bearing assembly line, the sliding mechanism comprises positioning slide blocks fixedly connected to the bottom side of the adjusting plate, the positioning slide blocks are inserted into transverse sliding chutes formed in the feeding seat, and the two transverse sliding chutes are respectively arranged on the outer sides of the two ends of the long axis direction of the feeding belt.

In the full-automatic ball bearing assembly line, the length of the transverse sliding chutes is greater than the width of the feeding belt, two positioning slide blocks are respectively inserted into the two transverse sliding chutes, a transverse sliding locking mechanism is further arranged between the transverse sliding chutes and the positioning slide blocks, the transverse sliding locking mechanism comprises two positioning slide rails arranged in the transverse sliding chutes, the two positioning slide rails are respectively arranged on two sides of the long axis direction of the transverse sliding chutes, one side of each positioning slide rail, which faces the middle part of each transverse sliding chute, is provided with a positioning strip with a wave-shaped cross section, the side parts of the positioning slide blocks are provided with positioning seats corresponding to the positioning strips, and the positioning seats are connected with the positioning slide blocks through elastic mechanisms.

In the full-automatic ball bearing assembly production line, the elastic mechanism comprises a connecting seat fixedly connected on the positioning sliding block, the connecting seat is connected with the positioning seat through an elastic cushion, and a transverse moving positioning mechanism is further arranged between the positioning sliding block and the positioning strip.

In the full-automatic ball bearing assembly line, the transverse moving positioning mechanism comprises sliding seats respectively arranged at two sides of the positioning sliding block, the bottom side of each sliding seat is connected with a strip-shaped sliding strip, the top side of each positioning strip is provided with a strip-shaped slideway, and the sliding strips are connected in the slideways in a sliding manner.

In foretell full-automatic ball bearing assembly line, the mechanism of strutting including set up at the ejector pin body that inlays pearl seat middle part and can reciprocate in vertical direction axial, the ejector pin body be circular truncated cone form, and the diameter of this ejector pin body increases gradually from top to bottom, the middle part of inlaying the pearl seat open and to have the pole groove that supplies the ejector pin body to put into, the tank bottom of pole groove be equipped with lift cylinder, lift cylinder and the bottom side of the ejector pin body link to each other.

In foretell full-automatic ball bearing assembly line, inlay the pearl seat still including setting up the inner circle seat in inlaying pearl seat top side, the ejector pin body stretch out the telescopic hole of seting up on the inner circle seat, inlay the pearl seat and inlay the inboard of locating the open slot through the inner circle seat, the double-layered material ejector pin wear to establish and link firmly in inner circle seat and equal open-ended annular cylinder from top to bottom, annular cylinder be located the circumference outside in pole groove and with the coaxial setting in pole groove. One side of the ball embedding seat is connected with a driving oil cylinder capable of driving the ball embedding seat to reciprocate, and the driving oil cylinder is fixedly connected to the ball embedding table

In foretell full-automatic ball bearing assembly line, the ejector pin position in the middle part of annular barrel, the one end that presss from both sides the material ejector pin and be close to the ejector pin body be equipped with the cross-section and be curved roof body, the one end that presss from both sides the material ejector pin and keep away from the ejector pin body be equipped with the cross-section and be curved backup pad, just annular barrel and clamp material ejector pin between still be equipped with flexible return subassembly.

In foretell full-automatic ball bearing assembly line, flexible return subassembly include extension spring, extension spring's one end link firmly on setting up the first spring holder on pressing from both sides the material ejector pin, extension spring's the other end link firmly on setting up the second spring holder on annular barrel, just pressing from both sides the material ejector pin and having the body of ejector pin motion trend.

In foretell full-automatic ball bearing assembly line, defeated flitch incline upward the setting towards the pay-off seat, the both sides of defeated flitch still be equipped with respectively can reciprocating motion's regulation backup pad, the pay-off seat on be equipped with the regulating plate that two symmetries set up, defeated flitch support and lean on between two regulating plates through adjusting the backup pad, the lateral part at defeated flitch is connected through the telescopic rod body to the regulation backup pad.

Compared with the prior art, this full-automatic ball bearing assembly line's advantage lies in: the clamping ejector rod is connected with an opening mechanism, and the opening mechanism can realize the expansion of the clamping ejector rod, so that the stable clamping assembly of the bearing inner rings with different diameters is realized; the sliding mechanism can be close to or far away from the feeding belt in the short axis direction, so that bearing outer rings with different diameters can be stably conveyed on the feeding belt; the adjusting plate axially reciprocates in the transverse sliding chute through the positioning sliding block, so that the sliding of the adjusting plate can be more stable.

Drawings

FIG. 1 is a schematic structural view provided by the present invention;

fig. 2 is a schematic structural view of the other side provided by the present invention;

FIG. 3 is an enlarged view of the point A provided by the present invention;

fig. 4 is a schematic structural view of the positioning slide rail provided by the present invention;

fig. 5 is a schematic structural diagram of a positioning slider provided by the present invention;

FIG. 6 is a partial enlarged view of the front side of the feeding base provided by the present invention;

FIG. 7 is a schematic structural view of a bead embedding table provided by the present invention;

fig. 8 is a schematic structural diagram of an open slot provided by the present invention;

in the figure, a feeding seat 1a, a strip wheel belt groove 2a, a feeding belt 3a, a material conveying plate 4a, an adjusting plate 5a, a sliding mechanism 6a, a positioning slide block 7a, a traverse slide groove 8a, a traverse locking mechanism 9a, a positioning slide rail 10a, a positioning strip 11a, a positioning seat 12a, an elastic mechanism 13a, a connecting seat 14a, an elastic cushion 15a, a traverse positioning mechanism 16a, a sliding seat 17a, a slide strip 18a, a slide way 19a and a bead embedding table 1b, the ball embedding seat 2b, the open slot 3b, the material clamping ejector rod 4b, the opening mechanism 5b, the ejector rod body 6b, the rod slot 7b, the lifting oil cylinder 8b, the inner ring seat 9b, the telescopic hole 10b, the annular cylinder body 11b, the top plate body 12b, the support plate 13b, the telescopic return component 14b, the extension spring 15b, the first spring seat 16b, the second spring seat 17b, the driving oil cylinder 18b, the telescopic rod body 19b and the adjusting support plate 21 b.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in figures 1-8, the full-automatic ball bearing assembly line comprises a feeding seat 1a butted on one side of a bead embedding table 1b, a material conveying plate 4a is arranged on one side of the bead embedding table 1b butted with the feeding seat 1a, a bead embedding seat 2b is embedded in the middle of the bead embedding table 1b, the bead embedding seat 2b can move in a reciprocating manner relative to the bead embedding table 1b, the upper end of the bead embedding seat 2b extends out of the bead embedding table 1b, an open slot 3b for the bead embedding seat 2b to move in a reciprocating manner is formed in the bead embedding table 1b, a plurality of material clamping ejector rods 4b which are annularly arranged are arranged on the bead embedding seat 2b, one end, close to the middle of the bead embedding seat 2b, of each material clamping ejector rod 4b is abutted against an opening mechanism 5b arranged in the bead embedding seat 2b, a strip-shaped wheel belt groove 2a is formed in the feeding seat 1a, a feeding belt 3a is arranged in the strip-shaped wheel belt groove 2a, one end of the feeding belt 3a is adjacently arranged in the feeding seat 1a, and a, the feeding base 1a is further provided with adjusting plates 5a which are respectively positioned at two sides of the feeding belt 3a, the adjusting plates 5a are connected with the feeding base 1a through a sliding mechanism 6a, and the adjusting plates 5a can be relatively close to or far away from the feeding belt 3a in the short axis direction of the feeding belt 3a through the sliding mechanism 6 a.

The clamping ejector rods 4b are annularly arranged, the inner sides of the bearing inner rings are abutted through the clamping ejector rods 4b, the clamping ejector rods 4b are connected with the opening mechanisms 5b, and the expanding of the clamping ejector rods 4b can be realized through the opening mechanisms 5b, so that the stable clamping assembly of the bearing inner rings with different diameters is realized; during working, the bearing outer ring is conveyed to the bead embedding table 1b through the material conveying plate 4a, then the bearing inner ring is placed on the bead embedding table through a mechanical arm and other machinery, the material clamping ejector rod 4b can work after being adjusted by the opening mechanism 5b, and finally the bead embedding seat 2b moves laterally in a small range to enable the gap between the bearing inner ring and the bearing outer ring to be locally enlarged and then to be embedded with beads, so that the application range is wide, and the clamping is stable; the conveying is realized through pay-off area 3a on the pay-off seat 1a to the bearing outer lane, and adjusting plate 5a of pay-off area 3a both sides can be close to or keep away from in the minor axis direction realization of pay-off area 3a through glide machanism 6a to let the bearing outer lane of different diameters can realize stabilizing the conveying on pay-off area 3a, adjusting plate 5a here not only plays the positioning action but also can realize the direction of defeated material, make the bearing outer lane can accurately send into defeated flitch 4 a.

The sliding mechanism 6a comprises positioning sliding blocks 7a fixedly connected to the bottom side of the adjusting plate 5a, the positioning sliding blocks 7a are inserted into transverse sliding grooves 8a formed in the feeding seat 1a, the number of the transverse sliding grooves 8a is two, the two transverse sliding grooves 8a are respectively arranged on the outer sides of two ends of the long axis direction of the feeding belt 3a, and the adjusting plate 5a axially reciprocates in the transverse sliding grooves 8a through the positioning sliding blocks 7a, so that the sliding of the adjusting plate 5a can be more stable.

The length of the transverse moving chute 8a is greater than the width of the feeding belt 3a, two positioning sliders 7a are respectively inserted into the two transverse moving chutes 8a, a transverse moving locking mechanism 9a is further arranged between the transverse moving chutes 8a and the positioning sliders 7a, the transverse moving locking mechanism 9a comprises two positioning slide rails 10a arranged in the transverse moving chutes 8a, the two positioning slide rails 10a are respectively arranged on two sides of the long axis direction of the transverse moving chutes 8a, one side, facing the middle part of the transverse moving chute 8a, of each positioning slide rail 10a is provided with a positioning strip 11a with a wavy cross section, the side part of each positioning slider 7a is provided with a positioning seat 12a corresponding to the positioning strip 11a, and the positioning seat 12a is connected with the positioning sliders 7a through an elastic mechanism 13 a. Each traverse sliding chute 8a corresponds to one positioning slide block 7a respectively, so that the sliding smoothness and stability of the adjusting plate 5a can be improved, the sliding positioning of the adjusting plate 5a in the traverse sliding chute 8a is realized through the positioning strips 11a on the positioning slide rails 10a and the positioning seats 12a at the side parts of the positioning slide blocks 7a, and the adjusting plate 5a can keep the position relative to the feeding belt 3a after sliding.

Preferably, the elastic mechanism 13a includes a connecting seat 14a fixedly connected to the positioning slider 7a, the connecting seat 14a is connected to the positioning seat 12a through an elastic pad 15a, a traverse positioning mechanism 16a is further disposed between the positioning slider 7a and the positioning bar 11a, and the elastic pad 15a can improve the stability of the positioning seat 12a and the positioning bar 11a when the positioning seat 12a and the positioning bar 11a are embedded after sliding. The transverse moving positioning mechanism 16a comprises sliding seats 17a respectively arranged on two sides of the positioning sliding block 7a, the bottom sides of the sliding seats 17a are connected with strip-shaped sliding strips 18a, strip-shaped slideways 19a are arranged on the top sides of the positioning strips 11a, the sliding strips 18a are connected in the slideways 19a in a sliding mode, the sliding strips 18a on the bottom sides of the sliding seats 17a and the slideways 19a on the top sides of the positioning strips 11a can play a guiding role in adjusting the adjusting plate 5a, and the positioning sliding block 7a is guaranteed to move axially and reciprocally all the time along the transverse moving sliding groove 8 a.

Furthermore, the opening mechanism 5b comprises an ejector rod body 6b which is arranged in the middle of the ball embedding seat 2b and can axially and reciprocally lift in the vertical direction, the ejector rod body 6b is in a cone frustum shape, the diameter of the ejector rod body 6b gradually increases from top to bottom, a rod groove 7b for the ejector rod body 6b to be placed in is formed in the middle of the ball embedding seat 2b, a lifting oil cylinder 8b is arranged at the bottom of the rod groove 7b, the lifting oil cylinder 8b is connected with the bottom side of the ejector rod body 6b, the lifting oil cylinder 8b drives the ejector rod body 6b to lift up and down, and the ejector rod body 6b is in the cone frustum shape, so that the ejector rod body 6b can push up the clamping ejector rod 4b in the lifting process, and the size of the diameter formed by enclosing of the clamping ejector rods 4b is changed.

Furthermore, inlay pearl seat 2b still including setting up at the inner circle seat 9b who inlays pearl seat 2b top side, the ejector pin body 6b stretches out the flexible hole 10b of seting up on inner circle seat 9b, inlay pearl seat 2b and inlay the inboard of locating open slot 3b through inner circle seat 9b, material clamping ejector pin 4b wears to establish and links firmly in inner circle seat 9b and equal open-ended annular barrel 11b from top to bottom, annular barrel 11b is located the circumference outside of rod groove 7b and sets up with the rod groove 7b is coaxial, material clamping ejector pin 4b here realizes fixedly through annular barrel 11b, and slide and wear to establish in annular barrel 11b, make material clamping ejector pin 4 b's flexible more stable.

The ejector rod body 6b is located the middle part of annular barrel 11b, the one end that presss from both sides material ejector pin 4b and be close to the ejector rod body 6b is equipped with the cross-section and is curved roof body 12b, the one end that presss from both sides material ejector pin 4b and keep away from the ejector rod body 6b is equipped with the cross-section and is curved backup pad 13b, and still be equipped with flexible return subassembly 14b between annular barrel 11b and the clamp material ejector pin 4b, the cross-section of roof body 12b is the arc and makes the ejector rod body 6b promote the back and press from both sides material ejector pin 4b counterbalance and lean on the drive when pressing from both sides material ejector pin 4b displacement can be more smooth, and backup pad 13 b.

The telescopic return component 14b comprises an extension spring 15b, one end of the extension spring 15b is fixedly connected to a first spring seat 16b arranged on the material clamping ejector rod 4b, the other end of the extension spring 15b is fixedly connected to a second spring seat 17b arranged on the annular cylinder body 11b, the material clamping ejector rod 4b has a movement trend of an ejector rod body 6b, the ejection rod body 12b on the material clamping ejector rod 4b can be abutted more tightly against the ejector rod body 6b through the extension spring 15b, the material clamping ejector rod can be returned in an assisting mode, the outer ring formed by enclosing of the material clamping ejector rods 4b can be reduced, and the application range is wider.

In addition, defeated flitch 4a sets up towards pay-off seat 1a tilt up, and the both sides of defeated flitch 4a still are equipped with reciprocating motion's regulation backup pad 21b respectively, are equipped with the regulating plate 5a that two symmetries set up on pay-off seat 1a, and defeated flitch 4a supports and leans on between two regulating plates 5a through regulation backup pad 21b, adjust backup pad 21b and connect the lateral part at defeated flitch 4a through the flexible body of rod 19b, and defeated flitch 4a slope here sets up and makes the bearing inner race on pay-off seat 1a get into smoothly and inlay pearl platform 1b, and regulation backup pad 21b makes the width of defeated flitch 4 a's both sides adjustable through the flexible body of rod 19b, can laminate regulating.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the present disclosure largely uses the feeding seat 1a, the strip wheel belt groove 2a, the feeding belt 3a, the feeding plate 4a, the adjusting plate 5a, the sliding mechanism 6a, the positioning slider 7a, the traverse chute 8a, the traverse locking mechanism 9a, the positioning slide rail 10a, the positioning strip 11a, the positioning seat 12a, the elastic mechanism 13a, the connecting seat 14a, the elastic pad 15a, the traverse positioning mechanism 16a, the sliding seat 17a, the slide strip 18a, the slide way 19a, the bead embedding table 1b, the bead embedding seat 2b, the open slot 3b, the clamping ejector rod 4b, the expanding mechanism 5b, the ejector rod body 6b, the rod groove 7b, the lift cylinder 8b, the inner ring seat 9b, the telescopic hole 10b, the annular cylinder body 11b, the top plate body 12b, the supporting plate 13b, the telescopic return component 14b, the tension spring 15b, the first spring seat 16b, the second spring seat 17b, the driving cylinder 18b, the drive cylinder 18, Telescopic rods 19b, adjustment support plates 21b, etc., without excluding the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (10)

1. A full-automatic ball bearing assembly production line is characterized by comprising a ball embedding platform (1b), wherein a feeding seat (1a) is butted on one side of the ball embedding platform (1b), a material conveying plate (4a) is arranged on one side of the ball embedding platform (1b) butted with the feeding seat (1a), a ball embedding seat (2b) is embedded in the middle of the ball embedding platform (1b), the ball embedding seat (2b) can reciprocate laterally relative to the ball embedding platform (1b), the upper end of the ball embedding seat (2b) extends out of the ball embedding platform (1b), an open slot (3b) for the ball embedding seat (2b) to reciprocate is formed in the ball embedding platform (1b), a plurality of annularly arranged clamping ejector rods (4b) are arranged on the ball embedding seat (2b), and one end, close to the middle of the ball embedding seat (2b), of each clamping ejector rod (4b) is abutted against a support mechanism (5b) arranged in the ball embedding seat (2b), the feeding device is characterized in that a strip wheel belt groove (2a) is formed in the feeding seat (1a), a feeding belt (3a) is arranged in the strip wheel belt groove (2a), one end of the feeding belt (3a) is adjacently provided with a material conveying plate (4a) which is positioned in the feeding seat (1a) and is obliquely arranged relative to the feeding belt (3a), the feeding seat (1a) is further provided with adjusting plates (5a) which are respectively positioned on two sides of the feeding belt (3a), the adjusting plates (5a) are connected with the feeding seat (1a) through sliding mechanisms (6a), and the adjusting plates (5a) can be relatively close to or far away from the feeding belt (3a) in the short axis direction of the feeding belt (3a) through the sliding mechanisms (6 a).

2. The full-automatic ball bearing assembly line of claim 1, wherein the sliding mechanism (6a) comprises a positioning slide block (7a) fixedly connected to the bottom side of the adjusting plate (5a), the positioning slide block (7a) is inserted into a lateral sliding chute (8a) formed in the feeding base (1a), and the two lateral sliding chutes (8a) are respectively arranged at the outer sides of the two ends of the feeding belt (3a) in the long axis direction.

3. The full-automatic ball bearing assembly line according to claim 2, wherein the length of the traverse sliding chute (8a) is greater than the width of the feeding belt (3a), the two positioning blocks (7a) are respectively inserted into the two traverse sliding chutes (8a), a traverse locking mechanism (9a) is further arranged between the traverse sliding chutes (8a) and the positioning blocks (7a), the traverse locking mechanism (9a) comprises two positioning sliding rails (10a) arranged in the traverse sliding chute (8a), the two positioning sliding rails (10a) are respectively arranged at two sides of the long axis direction of the traverse sliding chute (8a), one side of the positioning sliding rails (10a) facing the middle part of the traverse sliding chute (8a) is provided with positioning strips (11a) with waved cross sections, the side parts of the positioning blocks (7a) are provided with positioning seats (12a) corresponding to the positioning strips (11a), the positioning seat (12a) is connected with the positioning slide block (7a) through an elastic mechanism (13 a).

4. The assembly line of the full-automatic ball bearing according to claim 3, characterized in that the elastic mechanism (13a) comprises a connecting seat (14a) fixed on the positioning slide block (7a), the connecting seat (14a) is connected with the positioning seat (12a) through an elastic pad (15a), and a traversing positioning mechanism (16a) is arranged between the positioning slide block (7a) and the positioning strip (11 a).

5. The assembly line of the full-automatic ball bearing according to claim 4, wherein the traverse positioning mechanism (16a) comprises sliding seats (17a) respectively arranged at two sides of the positioning slide block (7a), a strip-shaped sliding strip (18a) is connected to the bottom side of the sliding seat (17a), a strip-shaped slideway (19a) is arranged at the top side of the positioning strip (11a), and the sliding strip (18a) is slidably connected in the slideway (19 a).

6. The full-automatic ball bearing assembly line of claim 1, wherein the expanding mechanism (5b) comprises a mandrel body (6b) which is arranged in the middle of the ball embedding seat (2b) and can axially reciprocate in the vertical direction, the mandrel body (6b) is in a cone frustum shape, the diameter of the mandrel body (6b) is gradually increased from top to bottom, a rod groove (7b) for the mandrel body (6b) to be placed in is formed in the middle of the ball embedding seat (2b), a lifting oil cylinder (8b) is arranged at the bottom of the rod groove (7b), and the lifting oil cylinder (8b) is connected with the bottom side of the mandrel body (6 b).

7. The full-automatic ball bearing assembly line of claim 6, wherein the ball embedding seat (2b) further comprises an inner ring seat (9b) arranged on the top side of the ball embedding seat (2b), the ejector rod body (6b) extends out of a telescopic hole (10b) formed in the inner ring seat (9b), the ball embedding seat (2b) is embedded in the inner side of the open slot (3b) through the inner ring seat (9b), the material clamping ejector rod (4b) is arranged in an annular cylinder body (11b) which is fixedly connected with the inner ring seat (9b) and is open at the upper and lower sides in a penetrating manner, and the annular cylinder body (11b) is located on the circumferential outer side of the rod slot (7b) and is coaxially arranged with the rod slot (7 b).

8. The full-automatic ball bearing assembly line of claim 7, wherein the ejector rod body (6b) is located in the middle of the annular cylinder body (11b), a top plate body (12b) with an arc-shaped cross section is arranged at one end, close to the ejector rod body (6b), of the material clamping ejector rod (4b), a supporting plate (13b) with an arc-shaped cross section is arranged at one end, far away from the ejector rod body (6b), of the material clamping ejector rod (4b), and a telescopic return assembly (14b) is further arranged between the annular cylinder body (11b) and the material clamping ejector rod (4 b).

9. The assembly line of the full-automatic ball bearing as claimed in claim 8, wherein the retractable return assembly (14b) comprises an extension spring (15b), one end of the extension spring (15b) is fixedly connected to a first spring seat (16b) arranged on the material clamping push rod (4b), the other end of the extension spring (15b) is fixedly connected to a second spring seat (17b) arranged on the annular cylinder (11b), and the material clamping push rod (4b) has a tendency of movement of the push rod body (6 b).

10. The full-automatic ball bearing assembly line of claim 1, wherein the material conveying plate (4a) is arranged obliquely upward toward the feeding base (1a), adjusting support plates (21b) capable of moving back and forth are respectively arranged on two sides of the material conveying plate (4a), two adjusting plates (5a) symmetrically arranged are arranged on the feeding base (1a), the material conveying plate (4a) abuts between the two adjusting plates (5a) through the adjusting support plates (21b), and the adjusting support plates (21b) are connected to the side portions of the material conveying plate (4a) through telescopic rod bodies (19 b).

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