CN214922017U - Automatic riveting equipment for motor bearing - Google Patents

Abstract

The utility model relates to an automatic riveting equipment of motor bearing, it includes casing group feeding mechanism, bearing feeding mechanism, transmission line, bearing installation device, handling device and riveting device. The utility model discloses a casing group feeding mechanism is to transmission line automatic supply casing group, through bearing feeding mechanism to conveying mechanism automatic supply bearing, transports each station on the transmission line with casing group in proper order through handling device, places the bearing in the mounting hole of casing group through installation mechanism, through accurate location and the riveting of casing group that positioning mechanism and riveting mechanism will be equipped with the bearing. The utility model discloses from material loading, installation, location to the riveting all realize automatic and form and produce the line, can incessantly carry out the operation, the bearing riveting is efficient, the riveting is of high quality.

Description

Automatic riveting equipment for motor bearing

Technical Field

The utility model relates to a motor production facility technical field especially relates to an automatic riveting equipment of motor bearing.

Background

The motor generally includes two casing sets, and the rotating shaft of the motor is connected between the two casing sets through a bearing. During production, the bearing is riveted on the shell assembly, the automation degree of the traditional riveting equipment is low, the riveting equipment can only rivet one set of shell assembly and bearing at a time, and the efficiency is low. In addition, the traditional riveting equipment is easy to have the phenomenon of uneven riveting marks of the bearing and inner hole boring damage, so that the problems of unsmooth rotating shaft, blockage, poor noise and the like of the assembled motor are caused.

SUMMERY OF THE UTILITY MODEL

To the problem, an object of the utility model is to provide an automatic riveting equipment of motor bearing can realize the automatic riveting of bearing, and the riveting is of high quality and efficient.

In order to achieve the above purpose, the utility model discloses an automatic riveting device for motor bearings, which comprises a casing group supply device, a bearing supply device, a transmission line, a bearing installation device, a carrying device and a riveting device;

a preparation station, an installation station and a riveting station are sequentially arranged on the transmission line along the transmission direction;

the outlet of the shell group supply device is connected with the inlet of the transmission line, and the shell group supply device conveys the shell group to the preparation station;

the carrying device is matched with the transmission line to carry the machine shell group from the preparation station to the installation station and the riveting station in sequence;

the bearing installation device comprises a conveying mechanism and an installation mechanism, wherein an outlet of the bearing supply device is connected with the conveying mechanism, a bearing is conveyed to the installation station through the conveying mechanism and is placed above the machine shell group, and the installation mechanism is used for installing the bearing into an installation hole of the machine shell group;

the riveting device comprises a positioning mechanism and a riveting mechanism, wherein the positioning mechanism is used for positioning the machine shell assembly provided with the bearing at a riveting station, and the riveting mechanism is used for riveting and fixing the bearing on the machine shell assembly.

Preferably, the preparation station, the installation station and the riveting station are arranged at equal intervals; the conveying device comprises a first sliding rail arranged in parallel with the transmission line, a sliding block group connected with the first sliding rail in a sliding mode and a first cylinder for pushing the sliding block group to move; the sliding block group comprises a plurality of first sliding blocks, and every two adjacent first sliding blocks are connected through connecting plates with equal length; the first sliding block is provided with a second sliding rail perpendicular to the transmission line, a second sliding block in sliding connection with the second sliding rail, a second air cylinder for pushing the second sliding block to move and a carrying plate fixed on the second sliding block, the carrying plate is provided with a plurality of clamping grooves matched with the shape of the casing set, the clamping grooves on all the carrying plates are arranged at equal intervals and connected into a straight line parallel to the transmission line, and the clamping grooves are matched with the transmission line to move the casing set on the transmission line.

Preferably, the conveying mechanism comprises a conveying table, a first push rod in sliding fit with the conveying table, a third air cylinder for pushing the first push rod to move, a second push rod in sliding fit with the conveying table, a fourth air cylinder for pushing the second push rod to move and a bearing positioning table arranged at the end part of the second push rod, a conveying channel matched with the first push rod is arranged on the conveying table, and an outlet of the bearing supply device is connected to the conveying channel in a crossed manner; the bearing positioning table is provided with a bearing positioning port; the first push rod, the conveying channel and the bearing positioning port are matched with each other to position the bearing at the mounting station; the second push rod can push the bearing positioning table away from the mounting station;

the mounting mechanism comprises a third slide rail perpendicular to the transmission line, a third slide block connected with the third slide rail in a sliding manner, a fifth air cylinder for pushing the third slide block to move, a sixth air cylinder arranged on the third slide block, a material taking boring needle arranged on the sixth air cylinder and a needle withdrawing cylinder arranged on the third slide block and matched with the material taking boring needle in a sliding manner; the material taking boring needle and the needle withdrawing cylinder are arranged right above the mounting station, the material taking boring needle is inserted into an inner hole of the bearing to grab the bearing, and the material taking boring needle, the needle withdrawing cylinder and the third sliding block are matched to press the bearing down into a mounting hole of the machine shell group.

Preferably, the bearing installation device further comprises a machine shell group positioning mechanism, the machine shell group positioning mechanism comprises a positioning column which is right opposite to the installation station and arranged below the conveying line, and a seventh air cylinder which pushes the positioning column to move up and down, and a guide through hole matched with the positioning column is formed in the conveying line.

Preferably, the positioning mechanism comprises a floating platform, the floating platform comprises a fixed plate, a plurality of guide posts fixed on the fixed plate, a floating plate in sliding connection with the guide posts, and a plurality of first return springs arranged between the fixed plate and the floating plate and sleeved on the guide posts; an eighth cylinder is fixed at the bottom of the fixed plate, and a movable rod of the eighth cylinder is provided with a positioning needle; the floating plate is provided with a sliding chute matched with the transmission line;

the riveting mechanism comprises a fourth slide rail vertical to the transmission line, a fourth slide block connected with the fourth slide rail in a sliding manner, a ninth cylinder for pushing the fourth slide block to move, a pressing block arranged on the fourth slide block and a riveting knife arranged on the fixing plate; the riveting knife is provided with a guide hole in sliding fit with the positioning needle, and the pressing block is provided with a through hole for the positioning needle to pass through; through holes for the riveting knife to pass through are arranged on the floating plate and the sliding chute;

the positioning needle, the floating platform and the pressing block are matched with each other to enable the positioning needle to penetrate through an inner hole of the bearing to be positioned, and the pressing block is matched with the riveting knife to fix the bearing on the shell assembly in a riveting mode.

Preferably, a positioning block connected with the sliding chute in a sliding manner is arranged on the side wall of the sliding chute, a positioning groove matched with the casing group in shape is arranged at one end of the positioning block close to the sliding chute, and a second return spring and a stop block are sequentially arranged at the other end of the positioning block; the positioning groove and the clamping groove are matched to position the machine shell group on the riveting station.

Preferably, the upper end of the riveting knife is further provided with a positioning sleeve, and the positioning sleeve, the floating platform and the pressing block are matched to position the casing set on the positioning sleeve.

Preferably, a turning station and an oil injection station which are sequentially arranged behind the riveting station are further arranged on the transmission line, a turning device is arranged beside the turning station, and an oil injection device is arranged beside the oil injection station;

the turnover device comprises a fixed seat, a rotating shaft connected with a rotating shaft of the fixed seat, a placing groove arranged at the end part of the rotating shaft and used for placing the machine shell group, a gear arranged on the rotating shaft, a rack meshed with the gear and a tenth air cylinder for pushing the rack to move up and down; the fixed seat is provided with a limit groove in sliding connection with the rack;

the oiling device comprises an oiling device and an eleventh air cylinder for pushing the oiling device to approach the oiling station.

Preferably, the transmission line is further provided with a detection station and a bad discharge station which are respectively arranged in front of and behind the riveting station, and a detector for detecting whether the bearing is arranged on the housing group is arranged beside the detection station; a bad discharging device is arranged beside the bad discharging station;

the bad discharging device comprises a blocking table, a fifth sliding rail in sliding connection with the blocking table and a twelfth air cylinder for pushing the blocking table to move; the transmission line is provided with a feed opening matched with the blocking table; and a collecting tank is arranged below the feed opening.

Preferably, the casing group supply device and the bearing supply device each comprise a vibrating disk.

The utility model discloses following beneficial effect has:

the utility model discloses a casing group feeding mechanism is to transmission line automatic supply casing group, through bearing feeding mechanism to conveying mechanism automatic supply bearing, transports each station on the transmission line with casing group in proper order through handling device, places the bearing in the mounting hole of casing group through installation mechanism, through accurate location and the riveting of casing group that positioning mechanism and riveting mechanism will be equipped with the bearing. The utility model discloses from material loading, installation, location to the riveting all realize automatic and form and produce the line, can incessantly carry out the operation, the bearing riveting is efficient, the riveting is of high quality.

Drawings

Fig. 1 is a schematic view of the present invention.

Fig. 2 is a schematic view of the carrying device.

Fig. 3 is a schematic view of a bearing mounting arrangement.

FIG. 4 is a schematic view of a bearing positioning table.

Fig. 5 is a schematic diagram of a positioning mechanism of the casing set.

Fig. 6 is a schematic view of a riveting device.

Fig. 7 is a schematic diagram of the positioning mechanism and the riveting mechanism.

Fig. 8 is a schematic view of the discharge device.

Fig. 9 is a schematic view of the turning device.

Description of the main part symbols:

a transmission line 10;

the conveying device 20, the first slide rail 21, the first slide block 221, the connecting plate 222, the first air cylinder 23, the second slide rail 24, the second slide block 25, the second air cylinder 26, the conveying plate 27 and the clamping groove 271;

the device comprises a bearing mounting device 30, a conveying table 311, a first push rod 312, a third air cylinder 313, a second push rod 314, a fourth air cylinder 315, a bearing positioning table 316, a positioning column 321, a seventh air cylinder 322, a third sliding rail 331, a third sliding block 332, a fifth air cylinder 333, a sixth air cylinder 334, a material taking boring needle 335 and a needle withdrawing cylinder 336;

the riveting device 40, the floating platform 411, the fixing plate 4111, the guide post 4112, the floating plate 4113, the first return spring 4114, the positioning pin 4116, the sliding groove 4117, the positioning sleeve 412, the positioning block 413, the stop 414, the riveting knife 421, the fourth sliding rail 422, the fourth slider 423, the ninth cylinder 424 and the pressing block 425;

a blocking table 51, a fifth slide rail 52, a twelfth air cylinder 53;

the overturning device 60, the fixed seat 61, the rotating shaft 62, the placing groove 63, the rack 64 and the tenth cylinder 65;

a casing group supply device 71, a bearing supply device 72;

a case set 81 and a bearing 82.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

As shown in fig. 1-9, the utility model discloses an automatic riveting equipment of motor bearing, it includes casing group feeding mechanism 71, bearing feeding mechanism 72, transmission line 10, bearing installation device 30, handling device 20, riveting device 40, detector, bad discharge device, turning device 60 and oiling device. The case set supply device 71 is connected to the starting position of the transmission line 10, and the bearing mounting device 30, the detector, the riveting device 40, the defective discharge device, the turnover device 60 and the oil injection device are sequentially arranged along the transmission direction of the transmission line 10.

A preparation station, an installation station, a detection station, a riveting station, a bad discharging station and a turnover station are sequentially arranged on the transmission line 10 at equal intervals along the transmission direction, and an oil injection station is also arranged behind the turnover station. The shell group supply device 71 conveys the shell group 81 to a preparation station, and the bearing installation device 30, the detector, the riveting device 40, the bad discharging device, the turnover device 60 and the oiling device are respectively provided with an installation station, a detection station, a riveting station, a bad discharging station, a turnover station and an oiling station in a one-to-one correspondence manner.

The main structures of the casing assembly supply device 71 and the bearing supply device 72 are vibration disks, and the casing assembly 81 and the bearing 82 are adjusted to be conveyed to the production line in the same feeding direction through the vibration disks. Vibrating disks are well-established devices at present and are not described in detail herein.

The carrying device 20 comprises a first slide rail 21 arranged in parallel with the transmission line 10, a slide block set connected with the first slide rail 21 in a sliding manner, and a first cylinder 23 for pushing the slide block set to move, wherein the slide block set comprises a plurality of first slide blocks 221, and every two adjacent first slide blocks 221 are connected through connecting plates 222 with equal length. In the scheme, two first sliding blocks 221 are arranged according to the number of actual stations. The first slide block 221 is provided with a second slide rail 24 perpendicular to the transmission line 10, a second slide block 25 slidably connected with the second slide rail 24, a second cylinder 26 pushing the second slide block 25 to move, and a carrying plate 27 fixed on the second slide block 25, the carrying plate 27 is provided with three or four clamping grooves 271 matched with the shape of the case set, and the clamping grooves 271 on all the carrying plates 27 are arranged at equal intervals and connected to form a straight line parallel to the transmission line 10. During carrying, the second cylinder 26 is firstly pushed out, so that the clamping groove 271 is matched with the transmission line 10 to clamp the casing set, and then the first cylinder 23 is pushed out to move the clamped casing set 81 along the transmission line 10 to the set transmission direction. The conveying device 20 cooperates with the conveying line 10 to convey the casing group 81 from the preparation station to the subsequent stations in turn.

The bearing installation device 30 comprises a conveying mechanism, a machine shell group positioning mechanism and an installation mechanism, wherein the outlet of the bearing supply device 72 is connected with the conveying mechanism, the bearing 82 is conveyed to an installation station through the conveying mechanism and is arranged above the machine shell group 81, and the installation mechanism is used for installing the bearing 82 into an installation hole of the machine shell group 81.

The chassis set positioning mechanism positions the chassis set 81 conveyed to the mounting station by the conveying device 20, because the chassis set 81 is clamped in the clamping groove 271 during conveying, the position of the chassis set is accurate, when the chassis set 81 is conveyed to the mounting station and the clamping groove 271 is disengaged, the chassis set positioning mechanism acts to position the chassis set 81, and the chassis set 81 is limited by the conveying line 10 and cannot be jacked up. Specifically, casing group positioning mechanism includes just to installing the station and placing reference column 321 and the seventh cylinder 322 that promotes reference column 321 and reciprocate in the transfer chain below, is equipped with the direction through-hole with reference column 321 complex on the transfer chain, and through the direction of direction through-hole, when seventh cylinder 322 promoted reference column 321 to shift up, invariable removal orbit can be guaranteed to reference column 321.

The conveying mechanism comprises a conveying table 311, a first push rod 312 in sliding fit with the conveying table 311, a third air cylinder 313 pushing the first push rod 312 to move, a second push rod 314 in sliding fit with the conveying table 311, a fourth air cylinder 315 pushing the second push rod 314 to move, and a bearing positioning table 316 arranged at the end part of the second push rod 314. The conveying table 311 is provided with a conveying channel matched with the first push rod 312, the width of the conveying channel is slightly larger than the outer diameter of the bearing 82, and the outlet of the bearing supply device 72 is connected with the conveying channel in a cross mode, so that the bearing 82 conveyed by the bearing supply device 72 enters the conveying channel by one and only one bearing 82 in one action cycle of the first push rod 312. A bearing positioning port is formed in the bearing positioning table 316, and the first push rod 312, the conveying channel and the bearing positioning port are matched with each other to position the bearing 82 at the installation station. When the first push rod 312 is pushed to the limit position by the third air cylinder 313, the bearing 82 just can abut against the bearing positioning opening. The second push rod 314 being pushed by the fourth cylinder 315 pushes the bearing positioning table 316 away from the mounting station.

The mounting mechanism comprises a third slide rail 331 perpendicular to the conveying line 10, a third slide block 332 connected with the third slide rail 331 in a sliding manner, a fifth air cylinder 333 pushing the third slide block 332 to move, a sixth air cylinder 334 arranged on the third slide block 332, a material taking boring needle 335 arranged on the sixth air cylinder 334, and a needle withdrawing cylinder 336 arranged on the third slide block 332 and matched with the material taking boring needle 335 in a sliding manner. The material taking boring needle 335 and the needle withdrawing cylinder 336 are arranged right above the mounting station, the material taking boring needle 335 is inserted into an inner hole of the bearing 82 to grab the bearing, and the material taking boring needle 335, the needle withdrawing cylinder 336 and the third sliding block 332 are matched to press down the bearing 82 into a mounting hole of the machine shell group 81.

After the bearing 82 is conveyed to the mounting station, the sixth air cylinder 334 firstly pushes the material taking boring needle 335 to grab the bearing 82, then the fourth air cylinder 315 pushes the second push rod 314 to push the bearing positioning table 316 away, then the fifth air cylinder 333 pushes the third slide block 332 to move downwards, so that the bearing 82 grabbed by the material taking boring needle 335 is pressed down and loaded into the mounting hole of the machine shell group 81, at the moment, the needle withdrawing cylinder 336 also abuts against the upper end face of the bearing 82, the sixth air cylinder 334 retracts, the material taking boring needle 335 retracts, and is blocked by the needle withdrawing cylinder 336, and the material taking boring needle can smoothly separate from the inner hole of the bearing 82 without taking the bearing 82 out. Finally, the third slide block 332 moves upwards, and the bearing positioning table 316 returns to the mounting station to complete a cycle.

The riveting device 40 includes a positioning mechanism and a riveting mechanism, the positioning mechanism is used for positioning the housing set 81 equipped with the bearing 82 at a riveting station, and the riveting mechanism is used for riveting and fixing the bearing 82 on the housing set 81.

The positioning mechanism includes the floating platform 411, and the floating platform 411 includes fixed plate 4111, four guide posts 4112 fixed on the fixed plate 4111, floating plate 4113 connected with guide posts 4112 in a sliding manner, and four first return springs 4114 arranged between the fixed plate 4111 and the floating plate 4113 and sleeved on the guide posts 4112, the floating plate 4113 is pressed to sink, when the pressing force is removed, the resilience of the first return springs 4114 enables the floating plate 4113 to recover the original position. An eighth cylinder is fixed at the bottom of the fixing plate 4111, and a movable rod of the eighth cylinder is provided with a positioning pin 4116. The riveting knife 421 of the riveting mechanism is fixed on the fixing plate 4111, and the riveting knife 421 is provided with a guide hole in sliding fit with the positioning pin 4116. A positioning sleeve 412 is telescopically sleeved on the upper end of the riveting knife 421. The floating plate 4113 is provided with a sliding groove 4117 matched with the transmission line 10, through holes for the positioning sleeve 412 to pass through are formed in the floating plate 4113 and the sliding groove 4117, and in a normal state, the upper end surfaces of the riveting knife 421 and the positioning sleeve 412 are flush with the bottom of the sliding groove 4117, so that the interference between the in-place operation and the transportation of the chassis group 81 is avoided.

In addition, a positioning block 413 slidably connected to the sliding groove 4117 is disposed on a side wall of the sliding groove 4117, a positioning groove matching the shape of the housing set 81 is disposed at one end of the positioning block 413 close to the sliding groove 4117, a second return spring and a stop 414 are sequentially disposed at the other end, and the stop 414 is fixed. When the carrying device 20 carries the housing set 81 with the bearing 82 to the riveting station, the positioning groove and the clamping groove 271 cooperate to initially position the housing set 81 at the riveting station.

The riveting mechanism comprises a fourth slide rail 422 perpendicular to the transmission line 10, a fourth slide block 423 slidably connected with the fourth slide rail 422, a ninth cylinder 424 for pushing the fourth slide block 423 to move, a pressing block 425 arranged on the fourth slide block 423, and a riveting knife 421. The pressing block 425 is provided with a through hole through which the positioning pin 4116 passes.

After the casing group 81 is initially positioned, the carrying plate 27 is withdrawn from the transmission line 10, the eighth cylinder pushes the positioning pin 4116 to move upwards, the tip of the positioning pin 4116 can enter the cavity of the casing group 81 but cannot penetrate through the bearing 82, the bearing 82 is prevented from being ejected out, and primary positioning of the bearing 82 is performed. The ninth cylinder 424 pushes the fourth sliding block 423 to press downwards, and when the pressing block 425 contacts the bearing 82 on the housing group 81 and continues to press downwards, the floating plate 4113 presses downwards, and the positioning sleeve 412 is exposed out of the groove bottom of the sliding groove 4117 and pushed into the inner cavity of the housing group 81 to realize coarse positioning. Because the casing group 81 is limited by the chute 4117 and the pressing block 425 and cannot be ejected out of the chute 4117, even if the position of the casing group 81 has slight deviation, under the action of the impact force of the pressing head, the elastic force of the first return spring 4114 changes, so that the floating plate 4113 can shake, and further a fine adjustment effect is performed on the casing group 81, and the casing group 81 can still be smoothly sleeved on the positioning sleeve 412. Meanwhile, the positioning pin 4116 passes through the inner hole of the bearing 82 as the housing group 81 is pressed down, so that accurate positioning is realized. Pressing block 425 and riveting tool 421 cooperation at last, fix bearing 82 riveting in the mounting hole at casing group 81 center, because the riveting in-process, location needle 4116 still arranges the hole of bearing 82 in, bearing 82 riveting can not warp towards the hole direction, avoid hole boring, can guarantee the smooth installation and the connection of follow-up pivot, in addition, location needle 4116, the center pin of pressing block 425 and riveting tool 421 is on a straight line, can make bearing 82's riveting trace even, the hole does not have boring, bearing 82 riveting is of high quality.

The detector is used for detecting whether the bearing 82 is installed on the machine shell group 81, and if the bearing 82 is not installed on the machine shell group 81, the riveting device is controlled not to act.

The bad discharging device comprises a blocking table 51, a fifth sliding rail 52 connected with the blocking table 51 in a sliding mode and a twelfth cylinder 53 pushing the blocking table 51 to move, a discharging opening matched with the blocking table 51 is formed in the transmission line 10, and a collecting groove is formed below the discharging opening. When the detector determines that the housing set 81 riveted with the bearing 82 is not satisfactory, the twelfth cylinder 53 retracts to separate the blocking table 51 from the feed opening to expose the blocking table, and when the carrying device 20 is operated next time, the housing set 81 determined to be unsatisfactory falls out from the feed opening.

The turnover device 60 includes a fixed base 61, a rotating shaft 62 connected with the fixed base 61 in a rotating manner, a placing groove 63 disposed at an end of the rotating shaft 62 and used for placing a casing set 81, a gear disposed on the rotating shaft 62, a rack 64 engaged with the gear, and a tenth cylinder 65 for pushing the rack 64 to move up and down. The fixing base 61 is provided with a limit groove in sliding connection with the rack 64, so that the rack 64 can be ensured to move constantly. When the carrying device 20 carries the casing group 81 to the turnover station, the casing group 81 is placed in the placing groove 63, and after the carrying plate 27 is removed, the tenth air cylinder 65 pushes the rack 64 to move downwards, so as to drive the rotating shaft 62 to rotate 180 degrees, and the casing group 81 is also turned 180 degrees accordingly. The tenth cylinder 65 is operated again to retract when the next required overturn is made, and so on.

The oiling device comprises an oiling device and an eleventh cylinder for pushing the oiling device to approach the oiling station, after the overturned shell group 81 enters the oiling station, the eleventh cylinder acts, an oiling port of the oiling device extends into an inner cavity of the shell group 81 and approaches the bearing 82, and lubricating oil is injected.

Because the lubricating oil must be scribbled to bearing 82 position during follow-up motor assembly, combines the production technology of motor to consider, carries out the oiling after bearing 82 riveting, can avoid omitting, and automatic oiling operation and design can be simple convenient the most moreover. Compared with manual oil dispensing, automatic oil filling after riveting is more uniform.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims (10)

1. The utility model provides an automatic riveting equipment of motor bearing which characterized in that: the device comprises a shell group supply device, a bearing supply device, a transmission line, a bearing installation device, a carrying device and a riveting device;

a preparation station, an installation station and a riveting station are sequentially arranged on the transmission line along the transmission direction;

the outlet of the shell group supply device is connected with the inlet of the transmission line, and the shell group supply device conveys the shell group to the preparation station;

the carrying device is matched with the transmission line to carry the machine shell group from the preparation station to the installation station and the riveting station in sequence;

the bearing installation device comprises a conveying mechanism and an installation mechanism, wherein an outlet of the bearing supply device is connected with the conveying mechanism, a bearing is conveyed to the installation station through the conveying mechanism and is placed above the machine shell group, and the installation mechanism is used for installing the bearing into an installation hole of the machine shell group;

the riveting device comprises a positioning mechanism and a riveting mechanism, wherein the positioning mechanism is used for positioning the machine shell assembly provided with the bearing at a riveting station, and the riveting mechanism is used for riveting and fixing the bearing on the machine shell assembly.

2. The automatic riveting apparatus for motor bearings according to claim 1, wherein: the preparation station, the installation station and the riveting station are arranged at equal intervals; the conveying device comprises a first sliding rail arranged in parallel with the transmission line, a sliding block group connected with the first sliding rail in a sliding mode and a first cylinder for pushing the sliding block group to move; the sliding block group comprises a plurality of first sliding blocks, and every two adjacent first sliding blocks are connected through connecting plates with equal length; the first sliding block is provided with a second sliding rail perpendicular to the transmission line, a second sliding block in sliding connection with the second sliding rail, a second air cylinder for pushing the second sliding block to move and a carrying plate fixed on the second sliding block, the carrying plate is provided with a plurality of clamping grooves matched with the shape of the casing set, the clamping grooves on all the carrying plates are arranged at equal intervals and connected into a straight line parallel to the transmission line, and the clamping grooves are matched with the transmission line to move the casing set on the transmission line.

3. The automatic riveting apparatus for motor bearings according to claim 1, wherein: the conveying mechanism comprises a conveying table, a first push rod in sliding fit with the conveying table, a third air cylinder for pushing the first push rod to move, a second push rod in sliding fit with the conveying table, a fourth air cylinder for pushing the second push rod to move and a bearing positioning table arranged at the end part of the second push rod, a conveying channel matched with the first push rod is arranged on the conveying table, and an outlet of the bearing supply device is connected to the conveying channel in a crossed mode; the bearing positioning table is provided with a bearing positioning port; the first push rod, the conveying channel and the bearing positioning port are matched with each other to position the bearing at the mounting station; the second push rod can push the bearing positioning table away from the mounting station;

the mounting mechanism comprises a third slide rail perpendicular to the transmission line, a third slide block connected with the third slide rail in a sliding manner, a fifth air cylinder for pushing the third slide block to move, a sixth air cylinder arranged on the third slide block, a material taking boring needle arranged on the sixth air cylinder and a needle withdrawing cylinder arranged on the third slide block and matched with the material taking boring needle in a sliding manner; the material taking boring needle and the needle withdrawing cylinder are arranged right above the mounting station, the material taking boring needle is inserted into an inner hole of the bearing to grab the bearing, and the material taking boring needle, the needle withdrawing cylinder and the third sliding block are matched to press the bearing down into a mounting hole of the machine shell group.

4. The automatic riveting apparatus for motor bearings according to claim 1, wherein: the bearing installation device further comprises a machine shell group positioning mechanism, the machine shell group positioning mechanism comprises a positioning column which is right opposite to the installation station and arranged below the conveying line, and a seventh air cylinder which pushes the positioning column to move up and down, and a guide through hole matched with the positioning column is formed in the conveying line.

5. The automatic riveting apparatus for motor bearings according to claim 1, wherein: the positioning mechanism comprises a floating platform, the floating platform comprises a fixed plate, a plurality of guide posts fixed on the fixed plate, a floating plate in sliding connection with the guide posts, and a plurality of first reset springs arranged between the fixed plate and the floating plate and sleeved on the guide posts; an eighth cylinder is fixed at the bottom of the fixed plate, and a movable rod of the eighth cylinder is provided with a positioning needle; the floating plate is provided with a sliding chute matched with the transmission line;

the riveting mechanism comprises a fourth slide rail vertical to the transmission line, a fourth slide block connected with the fourth slide rail in a sliding manner, a ninth cylinder for pushing the fourth slide block to move, a pressing block arranged on the fourth slide block and a riveting knife arranged on the fixing plate; the riveting knife is provided with a guide hole in sliding fit with the positioning needle, and the pressing block is provided with a through hole for the positioning needle to pass through; through holes for the riveting knife to pass through are arranged on the floating plate and the sliding chute;

the positioning needle, the floating platform and the pressing block are matched with each other to enable the positioning needle to penetrate through an inner hole of the bearing to be positioned, and the pressing block is matched with the riveting knife to fix the bearing on the shell assembly in a riveting mode.

6. The automatic riveting apparatus for motor bearings according to claim 5, wherein: a positioning block which is connected with the sliding chute in a sliding manner is arranged on the side wall of the sliding chute, a positioning groove matched with the shape of the machine shell group is arranged at one end of the positioning block close to the sliding chute, and a second return spring and a stop block are sequentially arranged at the other end of the positioning block; the positioning groove and the clamping groove are matched to position the machine shell group on the riveting station.

7. The automatic riveting apparatus for motor bearings according to claim 5, wherein: the upper end of the riveting knife is also provided with a positioning sleeve, and the positioning sleeve, the floating platform and the pressing block are matched to position the machine shell assembly on the positioning sleeve.

8. The automatic riveting apparatus for motor bearings according to claim 1, wherein: the transmission line is also provided with a turning station and an oiling station which are sequentially arranged behind the riveting station, a turning device is arranged beside the turning station, and an oiling device is arranged beside the oiling station;

the turnover device comprises a fixed seat, a rotating shaft connected with a rotating shaft of the fixed seat, a placing groove arranged at the end part of the rotating shaft and used for placing the machine shell group, a gear arranged on the rotating shaft, a rack meshed with the gear and a tenth air cylinder for pushing the rack to move up and down; the fixed seat is provided with a limit groove in sliding connection with the rack;

the oiling device comprises an oiling device and an eleventh air cylinder for pushing the oiling device to approach the oiling station.

9. The automatic riveting apparatus for motor bearings according to claim 1, wherein: the transmission line is also provided with a detection station and a bad discharge station which are respectively arranged in front of and behind the riveting station, and a detector for detecting whether the bearing is arranged on the machine shell group is arranged beside the detection station; a bad discharging device is arranged beside the bad discharging station;

the bad discharging device comprises a blocking table, a fifth sliding rail in sliding connection with the blocking table and a twelfth air cylinder for pushing the blocking table to move; the transmission line is provided with a feed opening matched with the blocking table; and a collecting tank is arranged below the feed opening.

10. The automatic riveting apparatus for motor bearings according to claim 1, wherein: the shell group supply device and the bearing supply device both comprise vibrating discs.

Images