CN107612236B

CN107612236B - Automatic press-fitting device for motor end cover and bearing

Info

Publication number: CN107612236B
Application number: CN201710918262.XA
Authority: CN
Inventors: 孙祝兵; 张海挺; 任亮亮
Original assignee: Zhejiang Linix Motor Co Ltd
Current assignee: Zhejiang Linix Motor Co Ltd
Priority date: 2017-09-30
Filing date: 2017-09-30
Publication date: 2023-10-13
Anticipated expiration: 2037-09-30
Also published as: KR102096477B1; NZ737830A; CN107612236A; KR20190038741A

Abstract

The invention discloses an automatic press-fitting device for a motor end cover and a bearing, which at least comprises an end cover feeding mechanism, a bearing feeding mechanism and a bearing press-fitting mechanism, wherein the end cover feeding mechanism is used for placing the motor end cover on a flow plate, the bearing feeding mechanism is used for placing the bearing on the motor end cover on the flow plate, the bearing press-fitting mechanism is used for press-fitting the bearing and the motor end cover, the end cover feeding mechanism consists of an end cover pushing and separating mechanism and an end cover picking and placing mechanism, the end cover pushing and separating mechanism comprises an end cover fixing plate, an end cover guide plate and an end cover pushing block, the end cover pushing block is linked with the output end of a first linear motion device, end cover limiting blocks which are arranged left and right are fixed on the end cover fixing plate, the end cover guide plate is fixed on the upper side of the end cover fixing block, the end cover guide plate is formed with end cover accommodating grooves which penetrate up and down, the motor end covers are arranged in the end cover accommodating grooves in a stacked manner, and cushion blocks are arranged between adjacent motor end covers.

Description

Automatic press-fitting device for motor end cover and bearing

Technical Field

The invention relates to the field of motor part assembly.

Background

In the assembly of motor, need carry out the pressure equipment of bearing and motor end cover, at present carry out the pressure equipment of bearing and end cover through pressure equipment frock by the assembler in many cases, need the assembler manually carry out the operation of pressure equipment frock, need the assembler manually carry out the feed, the material loading and get the material of motor end cover, manual operation is very troublesome.

Wherein, the one end of some motor end covers is formed with to the convex bearing room boss in axial outside, the other end of motor end covers is equipped with two at least fixed columns that are used for with casing complex, the fixed column is located the radial outside of bearing room boss relatively, if stack motor end covers from top to bottom, lower floor's motor end covers can cause radial spacing to adjacent upper motor end covers, the assembly workman need raise the motor end cover that carries out the removal of motor end cover again when carrying out motor end cover's taking out, or fix the motor end cover of the second floor of upward count, make the lower floor motor end cover descend and remove again, the feed of motor end cover is very troublesome.

The feeding of current spare part is realized through the vibration dish more, and the vibration dish separates the spare part of piling up in order to arrange, and the vibration dish vibrates in order to send the spare part after the separation to appointed position, sets up again at appointed position side and picks up the device in order to take away or carry the spare part to the assembly or the processing of spare part. The precision parts such as the bearings are often damaged due to mutual collision after being conveyed by the vibrating plate, and if the parts are separated and fed manually, the efficiency is too low and the labor is consumed.

Disclosure of Invention

The invention aims to provide the automatic press-fitting device for the motor end cover and the bearing, which can realize the press-fitting automation of the motor end cover and the bearing, improve the production efficiency, reduce the labor cost and avoid the collision damage of parts.

In order to achieve the above purpose, the invention adopts the following technical scheme: the automatic press-fitting device at least comprises an end cover feeding mechanism, a bearing feeding mechanism and a bearing press-fitting mechanism, wherein the end cover feeding mechanism is used for placing the motor end cover on a flow plate, the bearing feeding mechanism is used for placing a bearing on the motor end cover on the flow plate, the bearing press-fitting mechanism is used for press-fitting the bearing and the motor end cover, the end cover feeding mechanism consists of an end cover pushing and separating mechanism and an end cover picking and discharging mechanism, the end cover pushing and separating mechanism comprises an end cover fixing plate, an end cover guide plate and an end cover pushing block, the end cover pushing block is linked with the output end of the first linear motion device, end cover limiting blocks arranged left and right are fixed on the end cover fixing plate, the motor end cover is characterized in that the end cover guide plate is fixed on the upper side of the end cover fixing block, the end cover guide plate is formed with an end cover accommodating groove which penetrates up and down to be used for accommodating the motor end cover, the motor end cover is arranged in the end cover accommodating groove in a vertically stacked mode, a cushion block is arranged between the adjacent motor end covers, the motor end cover on the lowest layer falls between two end cover limiting blocks, the lower end face of the cushion block between the two motor end covers on the lowest layer is located below the lower end face of the end cover guide plate, the motor end cover on the second layer upwards is located in the end cover accommodating groove, and the end cover fixing plate is formed with a falling groove which penetrates up and down to enable the cushion block to fall to the lower side of the end cover fixing plate, and the distance between the left side and the right side of the falling groove is smaller than the outer diameter of the motor end cover.

When the device is used, the motor end cover is separated and pushed through the end cover pushing and separating mechanism, then the separated motor end cover is taken away and placed by the end cover picking and placing mechanism, the bearing is separated and pushed through the bearing feeding mechanism, the bearing is placed on the motor end cover, and finally the bearing and the motor end cover are pressed and fixed through the bearing pressing mechanism.

When the device is used, the motor end covers are stacked up and down in the end cover accommodating groove of the end cover guide plate, so that one motor end cover completely falls between the lower end surface of the end cover guide plate and the upper end surface of the end cover fixing plate, and the first linear motion device drives the end cover pushing block to move so as to push the motor end cover positioned between the lower end surface of the end cover guide plate and the upper end surface of the end cover fixing plate, and separate pushing of the motor end cover is realized for feeding. When the end cover pushing block pushes a motor end cover to move, the stacked motor end cover falls downwards and falls on the end cover pushing block, after the motor end cover is pushed in place, the pushing block starts to reset, due to the limitation of the end cover guide plate, the motor end cover located on the upper side of the end cover pushing block is limited in the radial direction, after the end cover pushing block is reset, the motor end cover located on the upper side of the end cover pushing block falls between the lower end face of the end cover guide plate and the upper end face of the end cover fixing plate, and a cushion block falls below the end cover fixing plate through a falling groove. Wherein, the setting of cushion is convenient for stack from top to bottom of motor end cover, avoids adjacent motor end cover to contact each other, and the separation propelling movement of motor end cover of being convenient for. When the motor end cover at the lowest layer falls between the two end cover limiting blocks, the lower end face of the cushion block between the two motor end covers at the lowest layer is positioned below the lower end face of the end cover guide plate, and the motor end covers at the second layer upwards are positioned in the end cover accommodating groove, so that the pushing of the motor end cover can be facilitated, and the motor end cover at the upper layer of the pushed motor end cover is prevented from being damaged due to oblique collision. The width of the falling groove is smaller than the diameter of the motor end cover and larger than the width of the cushion block, so that the cushion block can fall conveniently, and the motor end cover on the upper layer of the cushion block can fall on the end cover fixing plate conveniently. The two end cover limiting blocks are used for guiding the motor end cover when being pushed and preventing the motor end cover from falling down from the left side or the right side. The first linear motion device can be a driving device such as a push rod, an air cylinder, a motor and the like. Wherein, can place the box of connecing in order to be used for the collection of cushion at the end cover fixed plate downside. The invention has the advantages of more convenient separation and pushing of the motor end cover and higher feeding efficiency of the motor end cover.

Preferably, the upper end surface of the cushion block is concave to be provided with a first yielding groove for yielding a bearing chamber boss of the motor end cover. When stacking up and down of the motor end covers, a cushion block is placed between two upper and lower adjacent motor end covers, a bearing chamber boss of the motor end cover can sink into a first abdicating groove of the cushion block, the cushion block and the motor end covers cannot slide transversely relatively, and the cushion block and the motor end covers are stacked up and down more stably.

Preferably, the end cover guide plate is fixed with at least three end cover guide posts, the end cover guide posts are vertically arranged, the end cover guide posts are arranged at annular intervals with the center of the end cover accommodating groove as the center, and when the motor end cover is positioned in the end cover accommodating groove, the end cover guide posts surround the motor end cover; the end cover guide plate is provided with an end cover limit plate, the end cover limit plate is provided with a plurality of first through holes which penetrate through from top to bottom so as to allow the end cover guide posts to pass through, and one first through hole corresponds to one end cover guide post; be equipped with a plurality of first fixed orificess on the end cover limiting plate, first fixed orificess and the perpendicular setting of first through-hole communicate with each other, first fixed orifices intussuseption is fitted with first mounting, first mounting and first fixed orificess are formed with the helicitic texture of mutually supporting, first mounting and end cover limiting plate thread tightening make first mounting tip offset with the end cover guide post.

The end cover guide posts are used for radial limiting and up-down guiding of the stacked motor end covers. The end cover limiting plate is used for fixing the upper end of the end cover guide post so as to prevent the end cover guide post from inclining. The first fixing piece is matched with the end cover limiting block, so that the first fixing piece can be loosened to adjust the height position of the end cover limiting plate, and the motor end covers with different stacking heights can be placed.

Preferably, the end cover fixing plate is provided with a bar-shaped groove communicated with the falling groove, the bar-shaped groove is arranged along the front-back direction of the end cover fixing plate, when the motor end cover is positioned on the end cover fixing plate, the bearing chamber boss of the motor end cover is positioned in the bar-shaped groove or the falling groove, and the end cover pushing block pushes the motor end cover to enable the motor end cover to move along the axis of the bar-shaped groove; the end cover fixing plate is characterized in that an end cover stop block is fixed at the front end or the rear end of the end cover fixing plate, a first notch is formed in one side, close to the end cover guide plate, of the end cover stop block, the first notch penetrates through the end cover stop block up and down, and the first notch is of a narrow structure from the end cover guide plate side to the end cover stop block side.

The strip-shaped groove is used for guiding the motor end cover, and is also used for giving way to a bearing chamber boss of the motor end cover, so that the outer edge of the lower end surface of the motor end cover is contacted with the upper end surface of the end cover fixing plate, and the pushing and stacking of the motor end cover are more stable. The setting of end cover dog is in order to avoid the motor end cover to be pushed away from the end cover fixed plate by the end cover impeller block, and the narrow structure's of end cover dog setting is used for motor end cover location, and the setting of end cover dog can shorten the length of end cover stopper, makes can exist a space that is less than motor end cover diameter between end cover stopper tip and the end cover dog, also reduces the contact of motor end cover circumference outer wall and end cover stopper, and the end cover of being convenient for picks up the feed mechanism and takes away motor end cover.

Preferably, the bearing feeding mechanism is composed of a bearing pushing separating mechanism and a bearing picking and discharging mechanism, the bearing pushing separating mechanism comprises a bearing fixing plate, a bearing guide plate and a fourth linear motion device, bearing limiting blocks which are arranged left and right are fixed on the bearing fixing plate, the bearing guide plate is located at the upper sides of the two bearing limiting blocks, the bearing guide plate is formed with a bearing containing groove which penetrates through the bearing containing groove vertically to enable the bearing to pass through, the bearing is arranged in the bearing containing groove in a vertically stacked mode, a bearing at the lowest layer is located between the two bearing limiting blocks, the upper end face of the bearing at the lowest layer is located below the lower end face of the bearing guide plate, the output end of the fourth linear motion device is linked with a bearing pushing block, the bearing pushing block is located between the two bearing limiting blocks, and the fourth linear motion device runs to enable the bearing pushing block to push the bearing located between the bearing fixing plate and the bearing guide plate to move.

When the device is used, after the motor end cover is fed in place, the bearing is separated and fed. The bearings are stacked up and down in the bearing accommodating groove of the bearing guide plate, so that one bearing completely falls between the lower end face of the bearing guide plate and the upper end face of the bearing fixing plate, and the fourth linear motion device drives the end cover pushing block to move so as to push the bearing between the lower end face of the bearing guide plate and the upper end face of the bearing fixing plate, and the separation pushing of the bearing is realized for feeding. The fourth linear motion device can be a push rod or a motor or a cylinder and other driving devices. The bearing disclosed by the invention has higher pushing and separating efficiency, and the bearings cannot be mutually knocked and damaged.

Preferably, the bearing guide plate is fixed with at least three bearing guide posts, the bearing guide posts are vertically arranged, the bearing guide posts are annularly arranged at intervals with the center of the bearing accommodating groove as the center, and when the bearing is positioned in the bearing accommodating groove, the bearing guide posts surround the bearing; the bearing guide plate is provided with a bearing limit plate, the bearing limit plate is provided with a plurality of second through holes which penetrate through from top to bottom so as to allow the bearing guide posts to pass through, and one second through hole corresponds to one bearing guide post; the bearing limiting plate is provided with a plurality of second fixing holes which are vertically arranged and communicated with the second through holes, second fixing pieces are matched in the second fixing holes, the second fixing pieces and the second fixing holes form mutually matched thread structures, and the second fixing pieces are fixed with the bearing limiting plate in a thread mode so that the end parts of the second fixing pieces are propped against the bearing guide posts; the bearing fixing plate is characterized in that a bearing stop block is fixed on the upper side of the bearing fixing plate, a second notch is formed in one side, close to the bearing guide plate, of the bearing stop block, the second notch penetrates through the bearing stop block up and down, and the second notch is of a narrow opening structure from the bearing guide plate side to the bearing stop block side.

The bearing guide posts are used for radial limiting and up-down guiding of the stacked bearings. The bearing limiting plate is used for fixing the upper end of the bearing guide post so as to prevent the bearing guide post from inclining. The second fixing piece is matched with the bearing limiting block, so that the height position of the bearing limiting plate can be adjusted by loosening and tightening the second fixing piece, and the bearing limiting block is suitable for placement of bearings with different stacking heights. The setting of bearing dog is in order to avoid the bearing to be pushed away from the bearing fixed plate by the bearing impeller, and the narrow structure's of bearing dog setting is used for the location of bearing, and the setting of bearing dog can shorten the length of bearing stopper, makes can exist a space that is less than the bearing diameter between bearing stopper tip and the bearing dog, also reduces the contact of bearing circumference outer wall and bearing stopper, is convenient for the bearing pick up the blowing mechanism and takes away the bearing.

Preferably, the end cover picking and discharging mechanism and the bearing picking and discharging mechanism comprise a first base, a second linear motion device and a third linear motion device are arranged on the first base, a second mounting plate is arranged at the output end of the second linear motion device, the third linear motion device is fixed on the second mounting plate, the second mounting plate drives the third linear motion device to transversely move under the action of the second linear motion device, a third mounting plate is arranged at the output end of the third linear motion device, the third linear motion device operates to enable the third mounting plate to vertically move, a suction nozzle is fixed on the third mounting plate, the suction nozzle of the end cover picking and discharging mechanism is an end cover suction nozzle for adsorbing an end cover of a motor, and the suction nozzle of the bearing picking and discharging mechanism is a bearing suction nozzle for adsorbing a bearing; the vacuum generator is fixed on the first base and matched with the vacuum negative pressure meter, the vacuum generator is respectively connected with the suction nozzle and the vacuum negative pressure meter through two branch pipes, and the vacuum negative pressure meter is used for detecting the negative pressure of the suction nozzle.

The displacement in the horizontal direction of the motor end cover or the bearing is realized through the second linear motion device, the position in the vertical direction of the motor end cover or the bearing is realized through the third linear motion device, after the motor end cover or the bearing is separated and pushed in place, the output end of the third linear motion device moves downwards and sucks the motor end cover or the bearing up through the suction nozzle, then the output end of the third linear motion device rises, under the action of the second linear motion device, the third linear motion device moves horizontally to drive one end of the motor end cover or the bearing, finally the third linear motion device is moved to the upper side of the appointed position, the descent of the motor end cover or the bearing is realized through the third linear motion device, and finally the supply of compressed air from the air source to the vacuum generator is cut off, so that the suction nozzle fails to separate the motor end cover or the bearing from the suction nozzle, and the loading of the motor end cover or the bearing is realized. The second linear motion device and the third linear motion device can be driving devices such as a push rod, an air cylinder, a motor and the like.

Preferably, the bearing suction nozzle of the bearing picking and placing mechanism is provided with a first air passage and a plurality of second air passages, one end of the first air passage penetrates through the outer wall of the bearing suction nozzle to be communicated with the outside, the other end of the first air passage is communicated with the second air passage, the second air passage extends downwards and penetrates through the lower end face of the bearing suction nozzle, the center of the lower end face of the bearing suction nozzle extends downwards to form a positioning column, the plurality of second air passages are arranged at intervals in a ring shape taking the positioning column as the center, and the upper end face of the bearing is contacted with the lower end face of the bearing suction nozzle to enable the positioning column to be in clearance fit in a through hole of the bearing; the bearing suction nozzle consists of an upper suction nozzle and a lower suction nozzle, the center of the upper part of the upper suction nozzle is provided with a first air passage, the first air passage upwards penetrates through the upper end face of the upper suction nozzle, the lower part of the upper suction nozzle is provided with a circulation groove communicated with the lower end of the first air passage, the circulation groove downwards penetrates through the lower end face of the upper suction nozzle, the second air passage is arranged on the lower suction nozzle, the second air passage vertically penetrates through the lower suction nozzle, the lower suction nozzle is fixed with the upper suction nozzle so that the circulation groove is communicated with the second air passage, the peripheral outer edge of the circulation groove is positioned outside the peripheral outer edge of the first air passage, and the second air passage is relatively positioned outside the peripheral of the first air passage; or the bearing suction nozzle is composed of an upper suction nozzle and a lower suction nozzle, the center of the upper part of the upper suction nozzle is provided with a first air passage, the upper end of the first air passage upwards penetrates through the upper end face of the upper suction nozzle, the lower end of the first air passage downwards penetrates through the lower end face of the upper suction nozzle, the upper part of the lower suction nozzle is provided with a circulation groove, the lower part of the lower suction nozzle is provided with a second air passage, the circulation groove upwards penetrates through the upper end face of the lower suction nozzle, the lower end of the circulation groove is communicated with the upper end of the second air passage, the peripheral outer edge of the circulation groove is positioned outside the peripheral outer edge of the first air passage, and the second air passage is relatively positioned outside the peripheral of the first air passage; an elastic annular block is fixed on the lower side of the bearing suction nozzle, the lower end face of the elastic annular block is positioned below the lower end face of the bearing suction nozzle, the elastic annular block and the positioning column are coaxially arranged, the shape of the inner edge of the elastic annular block is adapted to the shape of the outer edge of the bearing, and the bearing is contacted with the lower end face of the bearing suction nozzle so that the inner wall of the elastic annular block is in clearance fit with the outer wall of the bearing; the outer edge of the lower end surface of the bearing suction nozzle extends upwards to form an annular groove, and the elastic annular block is matched in the annular groove; a first sensor is arranged at one end of the end cover fixing plate, and the first sensor detects that the motor end cover is pushed into place, so that a second linear motion device and a third linear motion device of the end cover picking and discharging mechanism operate; the end cover picking and discharging mechanism is provided with a second sensor at the side, and when the second sensor detects that the end cover feeding mechanism is used for placing the motor end cover on the circulation plate, the second sensor transmits signals to enable the circulation plate to rotate; the bearing picking and discharging mechanism side is provided with a third sensor, and when the third sensor detects that the circulation plate drives the motor end cover to move to the bearing picking and discharging mechanism side, the bearing pushing and separating mechanism operates; a fourth sensor is arranged at one end of the bearing fixing plate, and the fourth sensor detects that the bearing is pushed in place, so that a second linear motion device and a third linear motion device of the bearing picking and discharging mechanism operate; the vacuum generator of the bearing picking and discharging mechanism is matched with a fifth sensor, and when the fifth sensor detects that the bearing is separated from the bearing suction nozzle, the fifth sensor emits a signal to enable the circulation plate to rotate.

The bearing is different from the motor end cover in structure, the bearing is provided with an inner hole which penetrates up and down, and the bearing is difficult to suck up by using the existing suction nozzle; when the bearing suction nozzle is used, the bearing suction nozzle descends to enable the lower end face of the lower suction nozzle to be in contact with the upper end face of the bearing, the positioning column is located in the inner hole of the bearing, the gap between the outer wall of the positioning column and the inner hole of the bearing is as small as possible through design, and the contact surface between the part of the second air passage and the upper end face of the bearing is smaller, so that air leakage is less after the bearing suction nozzle is in contact with the bearing, the bearing can be sucked up, and the movement of the bearing is more convenient. Wherein the lower end face of the lower suction nozzle of the bearing suction nozzle is required to be a plane. The elastic annular block plays a sealing role to avoid gas leakage or reduce gas leakage. The positioning block and the elastic annular block are used for avoiding leakage of gas and positioning the bearing, so that the bearing suction nozzle can suck the bearing more easily. The annular groove is used for fixing the elastic annular block, so that the elastic annular block is easier to position and fix, and the elastic annular block can be coaxial with the positioning column after being fixed with the bearing suction nozzle; the elastic annular block can be fixed on the lower side of the bearing suction nozzle through dispensing, and the elastic annular block can be made of rubber and other elastic materials. The vacuum suction nozzle can suck the bearing under the condition of not enhancing the negative pressure, the negative pressure does not need to be enhanced, and the noise cannot rise due to the increase of the negative pressure.

The first sensor can be a proximity sensor, and when the first sensor detects that the motor end cover is pushed into place, the end cover picking and discharging mechanism is started to place the pushed motor end cover on the circulating plate; the second sensor can be a proximity sensor, the second sensor is arranged near the end cover picking and placing mechanism and the circulation plate, when the second sensor detects that the end cover feeding mechanism places the motor end cover on the circulation plate, the second sensor transmits a signal to enable the circulation plate to rotate by a certain angle so that the next motor end cover can be placed behind the circulation plate and is not stacked on the circulation plate; the third sensor can be a proximity sensor, and after the third sensor detects that the circulation board drives the motor end cover to move to the vicinity of the bearing picking and discharging mechanism, the third sensor transmits signals to enable the bearing pushing and separating mechanism to separate and push the bearing; the fourth sensor can be a proximity sensor, and when the fourth sensor detects that the bearing is pushed into place, the bearing picking and placing mechanism sucks the bearing and prevents the bearing from being arranged on a motor end cover of the circulation board; the bearing suction nozzle of the material picking and placing mechanism and the negative pressure at the suction nozzle are changed through the bearing to trigger the fifth sensor, namely when the bearing is separated from the bearing suction nozzle, the negative pressure is reduced, and the fifth sensor transmits signals to enable the circulation board to drive the motor end cover and the bearing to rotate.

Preferably, the bearing press-fitting mechanism comprises a pressure head, a supporting block is arranged below the pressure head, a slope structure inclining from bottom to top to inside is arranged on at least one side surface of the supporting block, the circulation plate is positioned between the supporting block and the pressure head, a plurality of positioning grooves penetrating up and down are formed on the circulation plate, an end cover placing block is placed in the positioning grooves, the end cover placing block comprises a placing block upper part and a placing block lower part, the circumferential outer edge of the upper part of the placing block is positioned outside the inner edge of the positioning groove, the outer edge of the lower part of the placing block is positioned inside the inner edge of the positioning groove, a second yielding groove for yielding a bearing chamber boss of a motor end cover is formed on the upper end face of the placing block, the end cover placing block is positioned in the positioning groove so that the lower end face of the placing block is positioned below the lower end face of the circulation plate, the circulation plate moves so that the lower part of the placing block is contacted with the slope structure or the upper end face of the supporting block, and the end cover picking and placing mechanism is used for moving and placing the motor end cover on the end cover pushing and separating mechanism on the end cover placing block; the upper end face of the upper part of the placement block is recessed to form a third abdication groove, the shape of the circumferential groove wall of the third abdication groove is matched with the shape of the circumferential outer edge of the motor end cover, the third abdication groove is communicated with the second abdication groove, and when the motor end cover is placed in the third abdication groove on the upper part of the placement block, part of the circumferential outer wall of the motor end cover is positioned on the upper side of the third abdication groove; the bearing press-fitting mechanism side is provided with a sixth sensor, and when the sixth sensor detects that the circulation plate drives the motor end cover and the bearing to move to the bearing press-fitting mechanism side, the bearing press-fitting mechanism operates to press-fit the bearing; the bearing press-fitting mechanism is provided with a seventh pressure sensor, and the pressure head is contacted with the bearing to enable the seventh pressure sensor to receive a reaction force so as to enable the seventh pressure sensor to emit signals, so that the circulation plate rotates.

According to the invention, the motor end cover and the bearing are arranged on the flow plate, and the motor end cover and the bearing are positioned below the pressure head through the movement of the flow plate, wherein the end cover arranging block and the supporting block are used for preventing the flow plate from being crushed. When the circulation board moves so that the motor end cover and the bearing are positioned below the pressure head, the height of the supporting block is designed so that the gap between the supporting block and the circulation board is smaller, the lower end face of the lower part of the end cover placing block is positioned below the lower end face of the circulation board, the lower part of the end cover placing block can be in contact with the side face of the supporting block, the end cover placing block can move upwards under the action of a slope structure of the supporting block so that the motor end cover moves upwards, and finally the lower end of the lower part of the end cover placing block is in contact with the upper end face of the supporting block, so that gaps exist between the lower end face of the upper part of the end cover placing block and the upper end face of the circulation board, so that the circulation board can not be stressed and the circulation board can not be crushed when the pressure head acts on the bearing.

The sixth sensor can be a proximity sensor, the sixth sensor is arranged near the bearing press-fitting mechanism and the circulation plate, and when the circulation plate drives the motor end cover and the bearing to move below the pressure head, the sixth sensor triggers to enable the bearing press-fitting mechanism to press-fit the bearing; when the pressure head applies force to the bearing, the bearing can apply a reaction force to the pressure head, after the seventh pressure sensor detects the reaction force, the press-fitting is finished, and the moving of the circulating plate is controlled so that the circulating plate drives the pressed bearing and the motor end cover to leave the bearing press-fitting mechanism.

Preferably, the circulation plate is circular and is matched with a rotary driving device, and the end cover feeding mechanism, the bearing feeding mechanism and the bearing press-fitting mechanism are arranged on the circumferential side of the circulation plate; the material taking mechanism comprises a second base, a fifth linear motion device and a sixth linear motion device are arranged on the second base, a fifth mounting plate is arranged at the output end of the fifth linear motion device, the sixth linear motion device is fixed on the fifth mounting plate, the fifth mounting plate drives the sixth linear motion device to transversely move under the action of the fifth linear motion device, a sixth mounting plate is arranged at the output end of the sixth linear motion device, a seventh linear motion device is fixed on the sixth mounting plate, the sixth mounting plate drives the seventh linear motion device to vertically move under the action of the sixth linear motion device, at least two clamping jaws are fixed on the seventh linear motion device, each clamping jaw comprises a first clamping jaw and a second clamping jaw, the first clamping jaw is fixed with the output end of the seventh linear motion device, the second clamping jaw is fixed with a shell of the seventh linear motion device, the first clamping jaw transversely moves under the action of the seventh linear motion device, the first clamping jaw and the second clamping jaw are in a tangential structure with the outer edge of a V-shaped clamping jaw or an arc-shaped end cover, and the first clamping jaw and the second clamping jaw are matched with each other; the material taking mechanism side is provided with a conveyor belt output machine; and an eighth sensor is arranged on the side of the material taking mechanism, and when the eighth sensor detects that the circulation plate drives the motor end cover and the bearing to move to the side of the material taking mechanism, the material taking mechanism operates to move the pressed motor end cover to the conveyor belt output machine.

The shape of the flow plate and the arrangement of the rotary driving device enable the device to be more compact, and the rotary driving device can be a motor or an air cylinder. When the material taking mechanism operates, the sixth mounting plate drives the seventh linear motion device to descend, the first clamping jaw and the second clamping jaw of the seventh linear motion device clamp the motor end cover, then the sixth mounting plate drives the seventh linear motion device to ascend, the fifth mounting plate drives the sixth linear motion device to move, so that the motor end cover clamped by the first clamping jaw and the second clamping jaw moves to the upper side of the conveyor belt output machine, then the seventh linear motion device descends, the first clamping jaw and the second clamping jaw loosen, so that the pressed motor end cover falls on the conveyor belt, and a receiving box can be placed at one end of the conveyor belt for collecting the pressed motor end cover. The eighth sensor can be a proximity sensor and is arranged near the material taking mechanism and the circulation plate, and the eighth sensor is convenient for the material taking mechanism to take away the motor end cover pressed with the bearing.

The invention has the advantages of realizing the automation of the press-fitting of the motor end cover and the bearing, improving the production efficiency, reducing the labor cost and avoiding the collision damage of parts.

Drawings

FIG. 1 is an isometric view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a schematic diagram of a structure of an end cap picking and placing mechanism of the end cap feeding mechanism of the present invention;

FIG. 4 is a schematic axial view of an end cap feed mechanism of the present invention with an end cap pushing and separating mechanism;

FIG. 5 is a top view of the end cap feed mechanism of the present invention with the end cap pushing and separating mechanism;

FIG. 6 is a cross-sectional view of an end cap feed mechanism of the present invention with an end cap push release mechanism;

FIG. 7 is a bottom view of the end cap feed mechanism of the present invention with the end cap push release mechanism;

FIG. 8 is a schematic view of a motor end cap of the present invention stacked in an up-and-down stack;

FIG. 9 is an isometric view of a bearing pushing and separating mechanism of the bearing loading mechanism of the present invention;

FIG. 10 is a bottom view of the bearing pushing and separating mechanism of the bearing loading mechanism of the present invention;

FIG. 11 is a cross-sectional view of a bearing pushing and separating mechanism of the bearing loading mechanism of the present invention;

FIG. 12 is a schematic view of a bearing pick-and-place mechanism of the bearing loading mechanism of the present invention;

FIG. 13 is a schematic view of another construction of a bearing pick-and-place mechanism of the bearing loading mechanism of the present invention;

FIG. 14 is a cross-sectional view of a bearing nozzle of the present invention;

FIG. 15 is a schematic view of a bearing nozzle of the present invention with the resilient annular blocks removed;

FIG. 16 is a schematic view of a motor end cap, runner plate and support block of the present invention in combination;

FIG. 17 is a schematic view of a support block according to the present invention;

FIG. 18 is a cross-sectional view of an end cap placement block of the present invention;

fig. 19 is a schematic view of one configuration of the take off mechanism and belt output of the present invention.

Detailed Description

The invention is further described below with reference to the drawings and specific embodiments.

As shown in fig. 1 and 2, the automatic press-fitting device for the motor end cover and the bearing comprises a rotating plate 1, and an end cover feeding mechanism, a bearing press-fitting mechanism 6, a material taking mechanism 7 and a conveyor belt output machine 8 which are arranged around the circumferential side of the rotating plate 1, wherein the rotating plate is circular, a rotary driving device 10 is fixed on the lower side of the rotating plate 1, and the rotating plate 1 rotates under the action of the rotary driving device 10.

As shown in fig. 1 to 8, the end cover feeding mechanism is composed of an end cover pushing and separating mechanism 2 and an end cover picking and discharging mechanism 3, the end cover pushing and separating mechanism 2 comprises an end cover fixing plate 20, an end cover guide plate 21 and an end cover pushing block 22, the end cover pushing block 22 is linked with the output end of a first linear motion device 23, an end cover limiting block 24 arranged left and right is fixed on the end cover fixing plate 21, the end cover guide plate 21 is fixed on the upper side of the end cover fixing block 20, and the end cover guide plate 21 is formed with an end cover accommodating groove penetrating up and down for accommodating the motor end cover 11.

The motor end cover 11 is arranged in the end cover accommodating groove in a vertically stacked mode, a cushion block 12 is arranged between adjacent motor end covers 11, the motor end cover at the lowest layer falls between two end cover limiting blocks 24, the lower end face of the cushion block between the two motor end covers at the lowest layer is located below the lower end face of the end cover guide plate 21, the motor end covers at the second layer upwards are located in the end cover accommodating groove, a falling groove 201 penetrating through the end cover fixing plate 20 vertically to enable the cushion block to fall to the lower side of the end cover fixing plate 20 is formed in the end cover fixing plate 20, and the distance between the left side and the right side of the falling groove 201 is smaller than the outer diameter of the motor end cover 11. Wherein, the lower side of the end cover fixing plate 20 is provided with a first receiving box 25 for collecting the cushion blocks falling downwards, and the first receiving box 25 is located right below the falling groove 201. Wherein. The upper end surface of the spacer 12 is recessed to have a first relief groove 121 for relief of the bearing chamber boss 131 of the motor end cap.

Four end cover guide posts 26 are fixed on the end cover guide plate 21, the end cover guide posts 26 are vertically arranged, the end cover guide posts 26 are arranged at annular intervals centering on the center of the end cover accommodating groove, and when the motor end cover is positioned in the end cover accommodating groove, the end cover guide posts 26 surround the motor end cover 11. The end cover guide plate 21 is provided with an end cover limiting plate 27, and the end cover limiting plate 27 is provided with four first through holes which penetrate through from top to bottom to allow the end cover guide posts 26 to pass through, and one first through hole corresponds to one end cover guide post 26. The end cover limiting plate 27 is provided with a first fixing hole 271, the first fixing hole 271 is vertically arranged and communicated with the first through hole, a first fixing piece (not shown in the figure) is matched in the first fixing hole 271, a mutually matched threaded structure is formed between the first fixing piece and the first fixing hole 271, and the first fixing piece is in threaded fixation with the end cover limiting plate 27 so that the end part of the first fixing piece abuts against the end cover guide post 26.

The end cover fixing plate 20 is formed with a bar groove 202 communicated with the drop groove 201, the bar groove 202 is arranged along the front-back direction of the end cover fixing plate 20, when the motor end cover 11 is positioned on the end cover fixing plate 20, the bearing chamber boss of the motor end cover 11 is positioned in the bar groove 202 or the drop groove 201, and the end cover pushing block 22 pushes the motor end cover 11 so as to enable the motor end cover 11 to move along the axis of the bar groove 202. The front end or the rear end of the end cover fixing plate 20 is fixed with an end cover stop block 28, one side of the end cover stop block 28 close to the end cover guide plate is provided with a first notch 281, the first notch 281 vertically penetrates through the end cover stop block 28, and the first notch 281 is of a narrow structure from the end cover guide plate 21 side to the end cover stop block 28 side.

As shown in fig. 1, 2, 9, 10 and 11, the bearing feeding mechanism is composed of a bearing pushing and separating mechanism 4 and a bearing picking and discharging mechanism 5, the bearing pushing and separating mechanism 4 comprises a bearing fixing plate 40, a bearing guide plate 41 and a fourth linear motion device 42, bearing limiting blocks 43 which are arranged left and right are fixed on the bearing fixing plate 40, the bearing guide plate 41 is located on the upper sides of the two bearing limiting blocks 43, and a bearing accommodating groove which penetrates through the bearing guide plate 41 up and down for the bearing 13 to pass through is formed in the bearing guide plate 41. The bearings 13 are arranged in a vertically stacked manner and positioned in the bearing accommodating grooves, the bearing of the lowest layer is positioned between the two bearing limiting blocks 43, and the upper end face of the bearing of the lowest layer is positioned below the lower end face of the bearing guide plate 41. The output end of the fourth linear motion device 42 is linked with a bearing pushing block 44, the bearing pushing block 44 is located between two bearing limiting blocks 43, and the fourth linear motion device 42 operates to move the bearing pushing block 44 and make the bearing pushing block 44 push the bearing located between the bearing fixing plate 40 and the bearing guiding plate 41 to move.

Four bearing guide posts 45 are fixed on the bearing guide plate 41, the bearing guide posts 45 are vertically arranged, the bearing guide posts 45 are evenly arranged at intervals in a ring shape with the center of a bearing accommodating groove as the center, and when the bearing is positioned in the bearing accommodating groove, the bearing guide posts 45 surround the bearing. The bearing guide plate 41 is provided with a bearing limit plate 46, the bearing limit plate 46 is provided with four second through holes which penetrate through from top to bottom to enable the bearing guide post 45 to pass through, one second through hole corresponds to one bearing guide post 45, the bearing limit plate 46 is provided with a second fixing hole 461, the second fixing hole 461 is perpendicular to and communicated with the second through hole, a second fixing piece (not shown in the figure) is matched in the second fixing hole 461, the second fixing piece and the second fixing hole 461 are provided with mutually matched thread structures, and the second fixing piece is fixed with the bearing limit plate 46 in a thread mode, so that the end portion of the second fixing piece abuts against the bearing guide post 45. The bearing stop block 47 is fixed on the upper side of the end of the bearing fixing plate 40, a second notch 471 is formed on one side of the bearing stop block 47 close to the bearing guide plate 41, the second notch 471 penetrates the bearing stop block 47 up and down, and the second notch 471 has a narrow structure from the side of the bearing guide plate 41 to the side of the bearing stop block 47.

As shown in fig. 1, fig. 2, fig. 3, fig. 12 and fig. 13, the end cover picking and placing mechanism 3 and the bearing picking and placing mechanism 5 respectively comprise a first base 31, a second linear motion device 32 and a third linear motion device 33 are arranged on the first base 31, a second mounting plate 34 is arranged at the output end of the second linear motion device 32, the third linear motion device 33 is fixed on the second mounting plate 34, under the action of the second linear motion device 32, the second mounting plate 34 drives the third linear motion device 33 to transversely move, a third mounting plate 35 is arranged at the output end of the third linear motion device 33, the third linear motion device 33 operates to enable the third mounting plate 35 to vertically move, a suction nozzle is fixed on the third mounting plate 35, the suction nozzle of the end cover picking and placing mechanism is an end cover suction nozzle 36 for adsorbing an end cover of a motor end cover, and the suction nozzle of the bearing picking and placing mechanism 5 is a bearing suction nozzle 59 for adsorbing a bearing. The first base 31 is fixed with a vacuum generator 38, the vacuum generator 38 is matched with a vacuum negative pressure meter 39, the vacuum generator 38 is respectively connected with a suction nozzle and the vacuum negative pressure meter 39 through two branch pipes (not shown in the figure), and the vacuum negative pressure meter 39 is used for detecting the negative pressure of the suction nozzle. Wherein the end cap suction nozzle 36 is an existing suction nozzle.

As shown in fig. 12 to 15, the bearing suction nozzle 59 of the bearing pick-up and discharge mechanism 5 is formed with a first air passage 531 penetrating up and down at the center of the upper suction nozzle 53 and a lower suction nozzle 54, the lower suction nozzle 54 is provided with a second air passage 541 penetrating up and down, a positioning column 542 is formed by extending down at the center of the lower end surface of the lower suction nozzle 54, the outer diameter of the positioning column 542 is smaller than the inner diameter of the bearing inner hole, a plurality of second air passages 541 are uniformly arranged at intervals in a ring shape centering on the positioning column 542, a circulation groove 532 is formed at the lower part of the upper suction nozzle 53, the circulation groove 532 is communicated with the first air passage 531, the circulation groove 532 penetrates down through the upper suction nozzle 53, the upper suction nozzle 53 and the lower suction nozzle 54 are fixed by fastening screws so that the circulation groove 532 is communicated with the second air passage 541, the circumferential outer edge of the circulation groove 532 is located at the outer circumferential edge of the first air passage 531, and the second air passage 541 is located relatively at the outer circumferential edge of the first air passage 531. The upper end of the bearing suction nozzle 59 is provided with an adapter 37, the lower end of the adapter 37 extends into a first air passage of the bearing suction nozzle 59, and the bearing suction nozzle 59 is connected with a branch pipe through the adapter.

An elastic annular block 55 is fixed on the lower side of the lower suction nozzle 54, the lower end face of the elastic annular block 55 is located below the lower end face of the lower suction nozzle 54, the inner edge shape of the elastic annular block 55 is adapted to the outer edge shape of the bearing 13, and the elastic annular block 55 and the positioning column 542 are coaxially arranged. The upper end surface of the bearing 13 contacts with the lower end surface of the bearing suction nozzle 59 to enable the upper end surface of the outer ring of the bearing 13 to close the second air passage 541, enable the radial outer wall of the positioning column 542 to be in clearance fit with the inner hole of the bearing, and enable the inner wall of the elastic annular block 55 to be in clearance fit with the outer wall of the bearing. Wherein, the lower rotary 54 lower end surface outer fringe upwards extends and is formed with ring channel 56, and elastic annular piece 55 point is glued and is fixed in ring channel 56, and elastic annular piece 55 is made by rubber.

As shown in fig. 1, 2, 16, 17 and 18, the bearing press-fitting mechanism 6 comprises a press head 61, a supporting block 62 is arranged below the press head 61, at least one side surface of the supporting block 62 is provided with a slope structure 621 which is inclined from bottom to top to inside, the outer edge of the runner plate 1 is positioned between the supporting block 62 and the press head 61, and a plurality of positioning grooves 14 which penetrate up and down are formed on the runner plate 1. The end cover placing block 16 is placed in the positioning groove 14, the end cover placing block 16 comprises a placing block upper portion 161 and a placing block lower portion 162, the peripheral outer edge of the placing block upper portion 161 is located on the outer side of the inner edge of the positioning groove 14, the outer edge of the placing block lower portion 162 is located on the inner side of the inner edge of the positioning groove 14, the upper end face of the placing block upper portion 161 is concave to form a second giving way groove 163 for giving way to a bearing chamber boss 131 of the motor end cover, the end cover placing block 16 is located in the positioning groove 14, the lower end face of the placing block lower portion 162 is located below the lower end face of the circulating plate 1, the circulating plate 1 moves to enable the placing block lower portion 162 to be in contact with a slope structure 621 or a supporting block upper end face 622, and the end cover picking and placing mechanism 3 is used for moving and placing the motor end cover on the end cover pushing and separating mechanism 2 on the end cover placing block 16. Wherein, the upper end surface of the upper portion 161 of the placement block is concave to form a third relief groove 164, the shape of the circumferential groove wall of the third relief groove 164 is adapted to the shape of the circumferential outer edge of the motor end cover 11, the third relief groove 164 is communicated with the second relief groove 163, and when the motor end cover 11 is placed in the third relief groove 164 of the upper portion 161 of the placement block, a part of the circumferential outer wall of the motor end cover 11 is located at the upper side of the third relief groove 164.

As shown in fig. 1, 16 and 19, the positioning groove 14 is internally provided with the bushing 15, the bushing 15 is composed of a first ring part and a second ring part, the outer diameter of the first ring part is larger than that of the positioning groove 14, the first ring part is contacted with the upper end surface of the flow plate 1 so that the second ring part is positioned in the positioning groove 14, the bushing 15 is fixed with the flow plate 1 through a fastener, the inner wall of the bushing 15 is convenient to process, and the end cover placing lower part 162 of the end cover placing block 16 is easier to slide up and down in an inner hole of the bushing.

As shown in fig. 1, 2 and 19, the material taking mechanism 7 includes a second base 71, a fifth rectilinear motion device 72 and a sixth rectilinear motion device 73 are disposed on the second base 71, a fifth mounting plate 721 is disposed at an output end of the fifth rectilinear motion device 72, the sixth rectilinear motion device 73 is fixed on the fifth mounting plate 721, under the action of the fifth rectilinear motion device 72, the fifth mounting plate 721 drives the sixth rectilinear motion device 73 to transversely move, a sixth mounting plate 731 is disposed at an output end of the sixth rectilinear motion device 73, a seventh rectilinear motion device 74 is fixed on the sixth mounting plate 731, under the action of the sixth rectilinear motion device 73, the sixth mounting plate 731 drives the seventh rectilinear motion device 74 to vertically move, two clamping jaws are fixed on the seventh rectilinear motion device 74, each clamping jaw includes a first clamping jaw 75 and a second clamping jaw 76, the first clamping jaw 75 is fixed with an output end of the seventh rectilinear motion device 74, the second clamping jaw 76 is fixed with a housing of the seventh rectilinear motion device 74, under the action of the seventh rectilinear motion device 74, and the first clamping jaw 75 transversely moves, and the second clamping jaw 76 has a tangential structure with the outer edge 11 of the second clamping jaw. One end of the conveyor belt output machine 8 is provided with a second receiving box 81, and the second receiving box 81 is used for collecting motor end covers with bearings in a pressed mode.

The bearing press-fitting mechanism 6 has a pressing cylinder for driving the ram 61 to move up and down, and the first linear motion device 23, the second linear motion device 32, the third linear motion device 33, the fourth linear motion device 42, the fifth linear motion device 72, the sixth linear motion device 73, the seventh linear motion device 74 and the rotation driving device 10 of the present invention are all cylinders, and all cylinders share one air source.

The downside of end cover fixed plate 20 one end is equipped with first sensor 29, and first sensor 29 vertical setting, and in first sensor 29 upper end extended to bar groove 202, first sensor 29 detects that the motor end cover is put in place by the propelling movement, then the end cover picks up the operation of the second rectilinear motion device and the third rectilinear motion device of blowing mechanism 3. The end cover picking and discharging mechanism 3 side is provided with a second sensor 30, when the second sensor 30 detects that the end cover feeding mechanism places the motor end cover on the circulation plate 1, the second sensor transmits signals to enable the circulation plate to rotate by a certain angle, and the second sensor 30 is arranged near the end cover picking and discharging mechanism 3 and the circulation plate 1 and is located on the upper side of the circulation plate 1. And a third sensor (not shown in the figure) is arranged near the bearing picking and placing mechanism 4 and the flow plate 1, the third sensor is positioned on the upper side of the flow plate 1, and when the third sensor detects that the flow plate 1 drives the motor end cover to move to the bearing picking and placing mechanism 4 side, the bearing pushing and separating mechanism 3 operates. The bearing fixing plate 40 forms a detection hole 52 penetrating up and down, the fourth sensor 49 and the detection hole 52 are coaxially arranged and located on the lower side of the bearing fixing plate 40, when the bearing is pushed in place, the bearing inner hole of the bearing deviates from the detection hole 52, the fourth sensor 49 detects that the bearing is pushed in place, and then the second linear motion device and the third linear motion device of the bearing picking and placing mechanism 4 operate. The vacuum generator of the bearing pick-up and discharge mechanism 4 is fitted with a fifth sensor (not shown in the figures) which emits a signal to rotate the runner plate 1 through a certain angle when it detects that the bearing is detached from the bearing suction nozzle 59. A sixth sensor (not shown) is arranged on the near side of the bearing press-fitting mechanism 6 and the circulating plate, and when the sixth sensor detects that the circulating plate 1 drives the motor end cover and the bearing to move to the vicinity of the bearing press-fitting mechanism 6, the bearing press-fitting mechanism 6 operates to press-fit the bearing. The bearing press-fitting mechanism 6 is provided with a seventh pressure sensor (not shown in the figure), and the pressing head 61 is in contact with the bearing to subject the seventh pressure sensor to a reaction force to cause the seventh pressure sensor to emit a signal to control the rotation of the rotating plate 1 by a certain angle. And an eighth sensor is arranged near the material taking mechanism 7 and the circulating plate 1, and when the eighth sensor detects that the circulating plate 1 drives the motor end cover and the bearing to move to the material taking mechanism side, the material taking mechanism operates to move the pressed motor end cover to the conveyor belt output machine. Twelve positioning grooves are formed in the circulating plate, and the rotating angle of the circulating plate is 30 degrees each time. The device comprises a bearing feeding mechanism, a bearing press-fitting mechanism, a positioning groove, a ninth sensor, a rotating plate 1, a motor end cover and a technical staff, wherein the ninth sensor is arranged between the bearing feeding mechanism and the bearing press-fitting mechanism and is suspended and fixed on the upper side of the rotating plate 1, the positioning groove is located under the ninth sensor by rotating the rotating plate 1, the ninth sensor is used for detecting whether a bearing is arranged on the motor end cover, the ninth sensor can be a proximity sensor, and if the ninth sensor detects that the bearing is not arranged in the motor end cover, the whole device stops running, and the technical staff can check and maintain the device.

The mechanism and the device of the invention are all connected with a controller, the controller is matched with a switch box 9, the switch box 9 is provided with a power button, a starting button and a scram button, the power button is used for powering on and powering off the motor of each sensor and the conveyor belt output machine, the starting button is used for starting the press-fitting process of the motor end cover and the bearing, and the scram button is used for stopping the press-fitting process of the motor end cover and the bearing.

Before the device is used, motor end covers stacked up and down are placed between end cover guide posts of an end cover pushing and separating mechanism of an end cover feeding mechanism, and cushion blocks are placed between adjacent motor end covers, so that one motor end cover completely falls between the lower end face of an end cover guide plate and the upper end face of an end cover fixing plate; and placing bearings stacked up and down between bearing guide posts of a bearing pushing and separating mechanism of the bearing feeding mechanism, so that one bearing completely falls between the lower end face of the bearing guide plate and the upper end face of the bearing fixing plate.

When the device is used, the power button and the starting button are pressed. The end cover pushing and separating mechanism of the end cover feeding mechanism operates, the first linear motion device drives the end cover pushing block to move, so that a motor end cover located between the lower end face of the end cover guide plate and the upper end face of the end cover fixing plate is pushed to the end cover stop block side, at the moment, the first sensor triggers, the end cover of the end cover feeding mechanism is moved into a positioning groove of the circulation plate, at the moment, the second sensor triggers, the circulation plate rotates for thirty degrees, after feeding of the motor end cover for a plurality of times, the circulation plate moves to the side of the bearing pushing and separating mechanism of the bearing feeding mechanism with one motor end cover, at the moment, the third sensor triggers, the bearing pushing and separating mechanism of the bearing feeding mechanism pushes a bearing between the bearing fixing plate and the bearing guide plate to the bearing stop block side, at the moment, the fourth sensor triggers, the bearing pushing and separating mechanism moves the bearing on the bearing stop block side to the motor end cover of the circulation plate, at the moment, the fifth sensor triggers, the circulation plate rotates for thirty degrees, after feeding of a plurality of bearings, the circulation plate moves to the motor end cover with the motor end cover, after the circulation plate moves to the motor end cover for a plurality of times, the motor end cover is pressed to the second sensor is pressed to the bearing plate, the bearing cover is pressed down, the bearing pressing mechanism is pressed to the bearing cover is pressed to the bearing end cover, the second sensor is pressed to the bearing, and the bearing is pressed to the bearing between the bearing, and the second sensor is pressed to the bearing, and the bearing is pressed to the bearing, and the end cover is pressed to the cover, and the pressing mechanism is pressed to the bearing is pressed and mounted.

When the motor end cover is insufficient in feeding, unscrewing the first fixing piece to remove the end cover limiting plate, and placing stacked motor end covers among the four end cover guide posts to supplement the motor end cover; when the bearing is not sufficiently fed, the second fixing piece is unscrewed to take down the bearing limiting plate, and stacked bearings are placed among the four bearing guide posts to supplement the bearings.

Claims

1. The automatic press-fitting device for the motor end cover and the bearing is characterized by at least comprising an end cover feeding mechanism, a bearing feeding mechanism and a bearing press-fitting mechanism, wherein the end cover feeding mechanism is used for placing the motor end cover on a circulating plate, the bearing feeding mechanism is used for placing the bearing on the motor end cover on the circulating plate, the bearing press-fitting mechanism is used for press-fitting the bearing and the motor end cover, the end cover feeding mechanism consists of an end cover pushing separation mechanism and an end cover picking and discharging mechanism, the end cover pushing separation mechanism comprises an end cover fixing plate, an end cover guide plate and an end cover pushing block, the end cover pushing block is linked with the output end of a first linear motion device, end cover limiting blocks which are arranged left and right are fixed on the end cover fixing plate, the end cover guide plate is fixed on the upper side of the end cover fixing block, the end cover guide plate is formed with end cover accommodating grooves which penetrate up and down for placing the motor end cover, a cushion block is arranged in the accommodating grooves in a stacking manner, a cushion block is arranged between the adjacent motor end covers, the motor at the lowest layer is arranged between the two end covers, the end covers between the end covers are arranged between the two end covers, the end covers of the end cover fixing plates are arranged at the right side of the upper end cover fixing grooves, and the end cover between the two end covers can fall down to the upper end cover fixing grooves are formed by the upper end cover fixing grooves, and the end cover fixing the end cover is arranged at the right side of the upper end cover fixing grooves, and the end cover fixing positions down and the end cover between the end covers falls down corresponds to the upper end cover fixing plates and has small outside to the end cover right end cover fixing end cover covers;

The bearing feeding mechanism consists of a bearing pushing separating mechanism and a bearing picking and discharging mechanism, the bearing pushing separating mechanism comprises a bearing fixing plate, a bearing guide plate and a fourth linear motion device, the bearing fixing plate is fixedly provided with bearing limiting blocks which are arranged left and right, the bearing guide plate is positioned on the upper sides of the two bearing limiting blocks, the bearing guide plate is provided with bearing accommodating grooves which penetrate through from top to bottom and are used for bearing to pass through, the bearings are arranged in the bearing accommodating grooves in a vertically stacked manner, the bearing at the lowest layer is positioned between the two bearing limiting blocks, the upper end face of the bearing at the lowest layer is positioned below the lower end face of the bearing guide plate, the output end of the fourth linear motion device is linked with a bearing pushing block, the bearing pushing block is positioned between the two bearing limiting blocks, and the fourth linear motion device moves to enable the bearing pushing block to push the bearing between the bearing fixing plate and the bearing guide plate to move;

the end cover picking and discharging mechanism and the bearing picking and discharging mechanism comprise a first base, a second linear motion device and a third linear motion device are arranged on the first base, a second mounting plate is arranged at the output end of the second linear motion device, the third linear motion device is fixed on the second mounting plate, the second mounting plate drives the third linear motion device to transversely move under the action of the second linear motion device, a third mounting plate is arranged at the output end of the third linear motion device, the third linear motion device operates to enable the third mounting plate to vertically move, a suction nozzle is fixed on the third mounting plate, the suction nozzle of the end cover picking and discharging mechanism is an end cover suction nozzle for adsorbing an end cover of a motor, and the suction nozzle of the bearing picking and discharging mechanism is a bearing suction nozzle for adsorbing a bearing; the vacuum generator is matched with a vacuum negative pressure meter, and is respectively connected with the suction nozzle and the vacuum negative pressure meter through two branch pipes, and the vacuum negative pressure meter is used for detecting the negative pressure at the suction nozzle;

The bearing suction nozzle of the bearing picking and discharging mechanism is provided with a first air passage and a plurality of second air passages, one end of the first air passage penetrates through the outer wall of the bearing suction nozzle to be communicated with the outside, the other end of the first air passage is communicated with the second air passages, the second air passages downwards extend and penetrate through the lower end face of the bearing suction nozzle, the center of the lower end face of the bearing suction nozzle downwards extends to form positioning columns, the plurality of second air passages are arranged at annular intervals taking the positioning columns as the center, and the upper end face of the bearing is contacted with the lower end face of the bearing suction nozzle to enable the positioning columns to be in clearance fit in through holes of the bearing; the bearing suction nozzle consists of an upper suction nozzle and a lower suction nozzle, the center of the upper part of the upper suction nozzle is provided with a first air passage, the first air passage upwards penetrates through the upper end face of the upper suction nozzle, the lower part of the upper suction nozzle is provided with a circulation groove communicated with the lower end of the first air passage, the circulation groove downwards penetrates through the lower end face of the upper suction nozzle, the second air passage is arranged on the lower suction nozzle, the second air passage vertically penetrates through the lower suction nozzle, the lower suction nozzle is fixed with the upper suction nozzle so that the circulation groove is communicated with the second air passage, the peripheral outer edge of the circulation groove is positioned outside the peripheral outer edge of the first air passage, and the second air passage is relatively positioned outside the peripheral of the first air passage; or the bearing suction nozzle is composed of an upper suction nozzle and a lower suction nozzle, the center of the upper part of the upper suction nozzle is provided with a first air passage, the upper end of the first air passage upwards penetrates through the upper end face of the upper suction nozzle, the lower end of the first air passage downwards penetrates through the lower end face of the upper suction nozzle, the upper part of the lower suction nozzle is provided with a circulation groove, the lower part of the lower suction nozzle is provided with a second air passage, the circulation groove upwards penetrates through the upper end face of the lower suction nozzle, the lower end of the circulation groove is communicated with the upper end of the second air passage, the peripheral outer edge of the circulation groove is positioned outside the peripheral outer edge of the first air passage, and the second air passage is relatively positioned outside the peripheral of the first air passage; an elastic annular block is fixed on the lower side of the bearing suction nozzle, the lower end face of the elastic annular block is positioned below the lower end face of the bearing suction nozzle, the elastic annular block and the positioning column are coaxially arranged, the shape of the inner edge of the elastic annular block is adapted to the shape of the outer edge of the bearing, and the bearing is contacted with the lower end face of the bearing suction nozzle so that the inner wall of the elastic annular block is in clearance fit with the outer wall of the bearing; the outer edge of the lower end surface of the bearing suction nozzle extends upwards to form an annular groove, and the elastic annular block is matched in the annular groove; a first sensor is arranged at one end of the end cover fixing plate, and the first sensor detects that the motor end cover is pushed into place, so that a second linear motion device and a third linear motion device of the end cover picking and discharging mechanism operate; the end cover picking and discharging mechanism is provided with a second sensor at the side, and when the second sensor detects that the end cover feeding mechanism is used for placing the motor end cover on the circulation plate, the second sensor transmits signals to enable the circulation plate to rotate; the bearing picking and discharging mechanism side is provided with a third sensor, and when the third sensor detects that the circulation plate drives the motor end cover to move to the bearing picking and discharging mechanism side, the bearing pushing and separating mechanism operates; a fourth sensor is arranged at one end of the bearing fixing plate, and the fourth sensor detects that the bearing is pushed in place, so that a second linear motion device and a third linear motion device of the bearing picking and discharging mechanism operate; the vacuum generator of the bearing picking and discharging mechanism is matched with a fifth sensor, and when the fifth sensor detects that the bearing is separated from the bearing suction nozzle, the fifth sensor emits a signal to enable the circulation plate to rotate;

The bearing press mounting mechanism comprises a press head, a supporting block is arranged below the press head, a slope structure which inclines from bottom to top to inside is arranged on at least one side surface of the supporting block, the circulation plate is positioned between the supporting block and the press head, a plurality of positioning grooves which penetrate up and down are formed in the circulation plate, an end cover placing block is placed in the positioning grooves, the end cover placing block comprises an upper placing block portion and a lower placing block portion, the circumferential outer edge of the upper placing block portion is positioned outside the inner edge of the positioning grooves, the outer edge of the lower placing block portion is positioned inside the inner edge of the positioning grooves, a second giving way groove which gives way to a bearing chamber boss of a motor end cover is formed on the upper end face of the placing block portion, the end cover placing block is positioned in the positioning groove so that the lower end face of the lower placing block portion is positioned below the lower end face of the circulation plate, and the lower placing block portion is contacted with the slope structure or the upper end face of the supporting block, and the end cover picking and placing mechanism is used for moving the motor end cover on the pushing and separating mechanism to place the end cover on the end cover placing block; the upper end face of the upper part of the placement block is recessed to form a third abdication groove, the shape of the circumferential groove wall of the third abdication groove is matched with the shape of the circumferential outer edge of the motor end cover, the third abdication groove is communicated with the second abdication groove, and when the motor end cover is placed in the third abdication groove on the upper part of the placement block, part of the circumferential outer wall of the motor end cover is positioned on the upper side of the third abdication groove; the bearing press-fitting mechanism side is provided with a sixth sensor, and when the sixth sensor detects that the circulation plate drives the motor end cover and the bearing to move to the bearing press-fitting mechanism side, the bearing press-fitting mechanism operates to press-fit the bearing; the bearing press-fitting mechanism is provided with a seventh pressure sensor, and the pressure head is contacted with the bearing to enable the seventh pressure sensor to receive a reaction force so as to enable the seventh pressure sensor to emit signals, so that the circulation plate rotates.

2. The automatic press-fit device for motor end covers and bearings according to claim 1, wherein the upper end surface of the spacer is recessed to have a first relief groove for relieving a boss of a bearing chamber of the motor end cover.

3. The automatic press-fitting device for the motor end cover and the bearing according to claim 1, wherein at least three end cover guide posts are fixed on the end cover guide plate, the end cover guide posts are vertically arranged, and the end cover guide posts are arranged at annular intervals with the center of an end cover accommodating groove as the center, and when the motor end cover is positioned in the end cover accommodating groove, the end cover guide posts surround the motor end cover; the end cover guide plate is provided with an end cover limit plate, the end cover limit plate is provided with a plurality of first through holes which penetrate through from top to bottom so as to allow the end cover guide posts to pass through, and one first through hole corresponds to one end cover guide post; be equipped with a plurality of first fixed orificess on the end cover limiting plate, first fixed orificess and the perpendicular setting of first through-hole communicate with each other, first fixed orifices intussuseption is fitted with first mounting, first mounting and first fixed orificess are formed with the helicitic texture of mutually supporting, first mounting and end cover limiting plate thread tightening make first mounting tip offset with the end cover guide post.

4. The automatic press-fitting device for motor end covers and bearings according to claim 1, wherein the end cover fixing plate is formed with a bar-shaped groove communicated with the drop groove, the bar-shaped groove is arranged along the front-rear direction of the end cover fixing plate, when the motor end cover is positioned on the end cover fixing plate, the bearing chamber boss of the motor end cover is positioned in the bar-shaped groove or the drop groove, and the end cover pushing block pushes the motor end cover to enable the motor end cover to move along the axis of the bar-shaped groove; the end cover fixing plate is characterized in that an end cover stop block is fixed at the front end or the rear end of the end cover fixing plate, a first notch is formed in one side, close to the end cover guide plate, of the end cover stop block, the first notch penetrates through the end cover stop block up and down, and the first notch is of a narrow structure from the end cover guide plate side to the end cover stop block side.

5. The automatic press-fitting device for the motor end cover and the bearing according to claim 1, wherein at least three bearing guide posts are fixed on the bearing guide plate, the bearing guide posts are vertically arranged and are annularly arranged at intervals with the center of a bearing accommodating groove as the center, and when the bearing is positioned in the bearing accommodating groove, the bearing guide posts surround the bearing; the bearing guide plate is provided with a bearing limit plate, the bearing limit plate is provided with a plurality of second through holes which penetrate through from top to bottom so as to allow the bearing guide posts to pass through, and one second through hole corresponds to one bearing guide post; the bearing limiting plate is provided with a plurality of second fixing holes which are vertically arranged and communicated with the second through holes, second fixing pieces are matched in the second fixing holes, the second fixing pieces and the second fixing holes form mutually matched thread structures, and the second fixing pieces are fixed with the bearing limiting plate in a thread mode so that the end parts of the second fixing pieces are propped against the bearing guide posts; the bearing fixing plate is characterized in that a bearing stop block is fixed on the upper side of the bearing fixing plate, a second notch is formed in one side, close to the bearing guide plate, of the bearing stop block, the second notch penetrates through the bearing stop block up and down, and the second notch is of a narrow opening structure from the bearing guide plate side to the bearing stop block side.

6. The automatic press-fitting device for the motor end cover and the bearing according to claim 1, wherein the circulating plate is circular and is matched with a rotary driving device, and the end cover feeding mechanism, the bearing feeding mechanism and the bearing press-fitting mechanism are arranged on the circumferential side of the circulating plate; the material taking mechanism comprises a second base, a fifth linear motion device and a sixth linear motion device are arranged on the second base, a fifth mounting plate is arranged at the output end of the fifth linear motion device, the sixth linear motion device is fixed on the fifth mounting plate, the fifth mounting plate drives the sixth linear motion device to transversely move under the action of the fifth linear motion device, a sixth mounting plate is arranged at the output end of the sixth linear motion device, a seventh linear motion device is fixed on the sixth mounting plate, the sixth mounting plate drives the seventh linear motion device to vertically move under the action of the sixth linear motion device, at least two clamping jaws are fixed on the seventh linear motion device, each clamping jaw comprises a first clamping jaw and a second clamping jaw, the first clamping jaw is fixed with the output end of the seventh linear motion device, the second clamping jaw is fixed with a shell of the seventh linear motion device, the first clamping jaw transversely moves under the action of the seventh linear motion device, the first clamping jaw and the second clamping jaw are in a tangential structure with the outer edge of a V-shaped clamping jaw or an arc-shaped end cover, and the first clamping jaw and the second clamping jaw are matched with each other; the material taking mechanism side is provided with a conveyor belt output machine; and an eighth sensor is arranged on the side of the material taking mechanism, and when the eighth sensor detects that the circulation plate drives the motor end cover and the bearing to move to the side of the material taking mechanism, the material taking mechanism operates to move the pressed motor end cover to the conveyor belt output machine.