CN112809353A - Electric motor car wheel hub fixation nut assembly machine - Google Patents

Abstract

The invention discloses an assembly machine for fixing nuts on a hub of an electric vehicle, which belongs to the technical field of machining equipment and comprises a rack (1), wherein an assembly mechanism (2) is arranged on the rack (1), a glue injection mechanism (3) is arranged on one side of the assembly mechanism (2), a discharging mechanism (47) is arranged on the other side of the assembly mechanism (2), a feeding mechanism is arranged on one side of the discharging mechanism (47), the feeding mechanism comprises a vibrating disc and a linear feeder, the outlet end of the linear feeder corresponds to the discharging mechanism (47), a first feeding mechanism (48) for conveying is arranged below the discharging mechanism (47), a second feeding mechanism (49) for conveying the hub (59) is arranged below the assembly mechanism (2) and the glue injection mechanism (3), the invention can automatically place nuts on the first feeding mechanism and assemble the nuts into the hub (59) at one time, automatic production is realized, and the working efficiency is improved.

Description

Electric motor car wheel hub fixation nut assembly machine

Technical Field

The invention belongs to the technical field of machining equipment, and particularly relates to an electric vehicle hub fixing nut assembling machine for mounting nuts in mounting holes in two end faces of an electric vehicle hub.

Background

In an electric vehicle hub, a protective cover is generally attached to an outer side of the hub to protect an internal structure of the hub, and the protective cover is fixed to the hub by screws.

In the assembly process of the nut and the hub in the prior art, glue is injected into the mounting hole of the hub at first, and then the nut is assembled in the mounting hole.

The existing electric vehicle hub fixing nut assembly machine is generally characterized in that a worker holds a hub with a drilled mounting hole through a manual operation machine, and performs glue injection and assembly work on each mounting hole respectively, so that the problem that a plurality of nuts are assembled at one time cannot be solved, and the automatic production requirements of enterprises cannot be met.

The invention discloses a nut implanting device in Chinese patent with application number of 201810812392.X, the application date of which is 2018, 07 and 23.s, and the embodiment of the invention comprises a workbench, a nut feeding assembly, a nut jig feeding assembly, a tray feeding assembly and a tray blanking assembly; a first linear module is fixedly arranged on the workbench; the first linear module is fixedly connected with a tray jig; a tray filled with products is placed on the tray jig; the first linear module comprises a first position and a second position along the moving direction of the first linear module; the first position is connected with a tray feeding assembly; the second position is connected with a tray blanking assembly; the nut implanting equipment further comprises a dispensing component for dispensing the nut implanting hole of the product, a first grabbing component for placing the nut jig on the nut feeding component, and a second grabbing component for taking out the nut jig filled with the nut from the nut feeding component and assembling the nut jig on the product.

The nut implanting equipment solves the technical problem of low efficiency caused by the fact that nuts are implanted on a product manually in the assembling process in the prior art, but the nut implanting equipment implants nuts in the circumferential direction of the product simultaneously and cannot be used for assembling nuts of the electric vehicle wheel hub.

Disclosure of Invention

The invention aims to solve the problem that a plurality of nuts cannot be assembled on a hub at one time in the prior art, and provides an electric vehicle hub fixing nut assembling machine which can automatically and orderly arrange a plurality of nuts and align the plurality of nuts to mounting holes to be assembled in the hub together, and can realize automatic production and processing.

In order to solve the technical problems, the invention provides an assembly machine for fixing nuts on a hub of an electric vehicle, which comprises a rack, wherein an assembly mechanism is arranged on the rack, a glue injection mechanism is arranged on one side of the assembly mechanism, a discharging mechanism is arranged on the other side of the assembly mechanism, a feeding mechanism is arranged on one side of the discharging mechanism, the feeding mechanism comprises a vibrating disc and a linear feeder, the outlet end of the linear feeder corresponds to the discharging mechanism, a first feeding mechanism for conveying nuts is arranged below the discharging mechanism, and a second feeding mechanism for conveying the hub is arranged below the assembly mechanism and the glue injection mechanism; the glue injection mechanism injects glue to the hub, the feeding mechanism sends the nut to the discharging mechanism, the feeding mechanism sends the nut to the assembling mechanism, the feeding mechanism sends the hub injected with the glue to the assembling mechanism, and the assembling mechanism assembles the nut to the mounting hole of the hub injected with the glue.

As a further improvement measure of the invention, the assembly machine for fixing the nuts on the hub of the electric vehicle comprises a material placing disc, wherein more than one first groove body is uniformly arranged on the side wall of the material placing disc, one side of the first groove body is provided with a second groove body, a magnet is arranged in the second groove body, the outlet end of the linear material loading device is opposite to the first groove body, the material placing disc is also provided with a detection bracket and a proximity switch, and the linear material loading device sends the nuts to the first groove body and is attracted and fixed by the magnet.

As a further improvement measure of the invention, the assembly machine for fixing the nuts on the hub of the electric vehicle is characterized in that the material placing disc is arranged on the first fixing plate, a feed port is formed in the first fixing plate, one side of the feed port is opposite to the first groove body, the other side of the feed port is opposite to the linear material loading device, a third groove body is further formed in the first fixing plate, an induction device is arranged in the third groove body, the nuts on the linear material loading device enter the first groove body in order through the feed port, and the induction device is used for inducing whether the nuts are placed in the first groove body or not.

As a further improvement measure of the invention, the electric vehicle hub fixing nut assembling machine is characterized in that the first fixing plate is arranged on the stand column, the stand column is also provided with a third fixing plate, the third fixing plate is provided with a first driving part for driving the discharging disc to rotate, a second fixing plate is arranged between the first fixing plate and the third fixing plate, the second fixing plate is provided with a first ejector pin opposite to the first groove body, the upper surface of the second fixing plate is provided with a first air cylinder, a first piston rod of the first air cylinder is connected with the second fixing plate, and a first guide part is arranged between the second fixing plate and the third fixing plate, so that the first ejector pin is pressed downwards when the first air cylinder works, and a nut in the first groove body can be ejected downwards.

As a further improvement measure of the invention, the first feeding mechanism comprises a feeding plate, the rack is provided with a first sliding groove along the horizontal direction, the first sliding groove is provided with a first sliding block, the first sliding block is provided with a second sliding block, the second sliding block is provided with a third support, the third support is longitudinally provided with a sliding rail, the feeding plate is arranged on the sliding rail, the rack is provided with a second driving part for driving the feeding plate to horizontally move, the third support is provided with a second air cylinder for driving the feeding plate to longitudinally move, and two sides of the first sliding groove are provided with first limiting parts, so that nuts can be conveyed from the feeding mechanism to the assembling mechanism through the feeding plate, and the first limiting parts can achieve a limiting effect together.

As a further improvement measure of the invention, the feeding plate comprises a guide plate and an attachment plate, the guide plate is made of a non-magnetic material, the guide plate is arranged on a slide rail, the attachment plate is arranged below the guide plate, through holes I corresponding to the groove bodies I are uniformly arranged on the guide plate in the circumferential direction, through holes II opposite to the through holes I are arranged on the attachment plate, a groove body IV is arranged on one side of the through holes II on the attachment plate, and magnets are arranged in the groove body IV, so that the nuts can be attracted by the magnets after the nuts on the material placing plate are pushed to the attachment plate, and the guide plate enables the nuts to keep the original direction.

As a further improvement measure of the invention, the assembly machine for the fixing nut of the electric vehicle hub comprises a first bracket and a fourth fixing plate arranged below the first bracket, wherein a third air cylinder is arranged on the first bracket, a third piston rod of the third air cylinder is connected with the fourth fixing plate, a glue injection pipe is arranged on the fourth fixing plate, a second guide component is arranged between the first bracket and the fourth fixing plate, and the third air cylinder works to enable the fourth fixing plate to longitudinally move, so that the glue injection pipes can uniformly and longitudinally move, and glue injection of the glue injection pipe to the hub is facilitated.

As a further improvement measure of the invention, in the assembly machine for fixing the nut on the hub of the electric vehicle, the glue injection needle comprises a containing cavity, a sealing plug is arranged in the containing cavity, a glue injection port is arranged at one end of the containing cavity, a driving mechanism for driving the sealing plug to move longitudinally is arranged at the other end of the containing cavity, and the sealing plug is controlled by the driving mechanism to be pressed downwards to extrude the glue from the glue injection port.

As a further improvement measure of the invention, the second feeding mechanism comprises a third sliding groove, the third sliding groove is horizontally arranged on the frame, a third sliding block is arranged on the third sliding groove, a fourth sliding block is arranged on the third sliding block, a fixed seat is arranged on the fourth sliding block, a third driving part for driving the fixed seat to horizontally move on the third sliding groove is arranged on the frame, a positioning rod is arranged on the fixed seat, two limiting parts are arranged on two sides of the third sliding groove, the second feeding mechanism can enable the hub to be conveyed between the assembling mechanism and the glue injection mechanism, and the second limiting part plays a role in limiting.

As a further improvement measure of the invention, the assembly mechanism comprises a second bracket and a fifth fixing plate arranged below the second bracket, the second bracket is provided with a fourth cylinder, a piston rod of the fourth cylinder is connected with the fifth fixing plate, the fifth fixing plate is provided with a second ejector pin opposite to the first through hole, the upper surface of the fifth fixing plate is provided with a fifth cylinder, the piston rod of the fifth cylinder is connected with the second ejector pin, a third guide part is arranged between the fifth fixing plate and the second bracket, and the fourth cylinder and the fifth cylinder are matched with each other to work, so that the second ejector pin can press the nut on the feeding plate into the mounting hole of the hub injected with the glue.

Compared with the prior art, the invention has the beneficial effects that: 1. the nuts can be respectively fixed on the material placing disc and the feeding plate by arranging the magnets, so that automatic material placing is realized, and the working efficiency is improved; 2. the feeding mechanism I is arranged, so that the nuts can be orderly fed onto the feeding mechanism I; 3. by arranging the first feeding mechanism, the nuts can be neatly conveyed to the assembling mechanism for assembling; 4. the glue injection mechanism is arranged, so that glue can be injected into the plurality of mounting holes in the hub at the same time; 5. the feeding mechanism II is arranged, so that the wheel hub which is subjected to glue injection can be moved to the assembling mechanism for assembling; 6. through being provided with assembly devices, can be simultaneously with the accurate assembly of a plurality of nuts to the mounting hole of wheel hub, accomplish automated processing.

Drawings

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

Fig. 2 is a perspective view of the present invention.

FIG. 3 is a perspective view of the drop feed mechanism of the present invention.

Fig. 4 is a perspective view of the first material placing tray and the first fixing plate of the invention.

Fig. 5 is a perspective view of a first feed mechanism of the present invention.

Fig. 6 is a perspective view of the guide plate and the attachment plate of the present invention.

Fig. 7 is a front view of the glue injection mechanism of the present invention.

Fig. 8 is a perspective view of the glue injection mechanism of the present invention.

Fig. 9 is a perspective view of a second feeding mechanism of the present invention.

Fig. 10 is a perspective view of the assembly mechanism of the present invention.

The reference numbers illustrate: 1-a frame; 2-an assembly mechanism; 3-a glue injection mechanism; 4-placing a tray; 5-first groove body; 6-groove II; 7-detecting the support; 8-a proximity switch; 9-fixing the plate I; 10-a feed inlet; 11-tank III; 12-a sensing device; 13-upright column; 14-fixing a second plate; 15-fixing plate III; 16-driving member one; 17-a first thimble; 18-a first cylinder; 19-a first guide member; 20-a feeding plate; 21-chute one; 22-support III; 23-a slide rail; 24-driving member two; 25-cylinder two; 26-a guide plate; 27-an attachment plate; 28-through hole one; 29-through hole two; 30-groove body four; 31-a glue injection pipe; 32-bracket one; 33-fixing plate four; 34-cylinder three; 35-a second guide member; 36-glue injection port; 37-a cavity; 38-a fixed seat; 39-chute III; 40-driving element III; 41-bracket two; 42-fixing plate five; 43-thimble two; 44-cylinder five; 45-guide part three; 46-glue storage tank; 47-a discharging mechanism; 48-a first feeding mechanism; 49-feeding mechanism two; 50-cylinder four; 51-a dovetail groove I; 52-dovetail groove two; 53-limit piece one; 54-two limit pieces; 55-a first sliding block; 56-sliding block two; 57-sliding block three; 58-sliding block four; 59-hub.

Detailed Description

The invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 and 2, an assembly mechanism 2 is arranged on a frame 1, a glue injection mechanism 3 is arranged on one side of the assembly mechanism 2, a discharging mechanism 47 is arranged on the other side of the assembly mechanism 2, a feeding mechanism is arranged on one side of the discharging mechanism 47, the feeding mechanism comprises a vibrating disc and a linear feeder, the outlet end of the linear feeder corresponds to the discharging mechanism 47, a first feeding mechanism 48 for conveying nuts is arranged below the discharging mechanism 47, and a second feeding mechanism 49 for conveying a hub 59 is arranged below the assembly mechanism 2 and the glue injection mechanism 3.

Before the device is used, mounting holes are drilled on the hubs 59, the product hubs 59 are placed on the second feeding mechanism 49, glue is injected into the drilled mounting holes in the hubs 59 through the glue injection mechanism 3, the second feeding mechanism 49 sends the hubs 59 which are injected with the glue to the lower portion of the assembling mechanism 2, a vibrating disc and a linear feeder in the feeding mechanism can send nuts to the discharging mechanism 47 in an orderly and uniform direction, the discharging mechanism 47 sends the nuts to the first feeding mechanism 48 on the lower portion, the first feeding mechanism 48 sends the nuts to the lower portion of the assembling mechanism 2 in an orderly and uniform direction, and the nuts placed on the first feeding mechanism 48 are located above the second feeding mechanism 49 and are driven by the assembling mechanism 2 to be assembled into the mounting holes in the hubs 59.

As shown in fig. 1 to 4, the material discharging mechanism 47 includes a material discharging tray 4, a first groove body 5 longitudinally penetrating is uniformly arranged on the material discharging tray 4 in the circumferential direction of the outer side, a second groove body 6 is arranged on one side of the first groove body 5, a magnet is arranged in the second groove body 6, a nut is fixed in the first groove body 5 under the adsorption effect of the magnet in the second groove body 6, the outlet end of a linear material feeder is opposite to the first groove body 5, the material discharging tray 4 is arranged on a first fixing plate 9, a feeding hole 10 is arranged on the first fixing plate 9, one side of the feeding hole 10 is opposite to the first groove body 5, and the other side of the.

The first fixing plate 9 is arranged on the upright column 13, the third fixing plate 15 is further arranged on the upright column 13, a first driving piece 16 for driving the material placing disc 4 to rotate is arranged on the third fixing plate 15, a second fixing plate 14 is arranged between the first fixing plate 9 and the third fixing plate 15, a first ejector pin 17 opposite to the first groove body 5 is arranged below the second fixing plate 14, a first air cylinder 18 is arranged on the upper surface of the second fixing plate 14, and a first piston rod of the first air cylinder 18 is connected with the second fixing plate 14.

A first guide part 19 is further arranged between the second fixing plate 14 and the third fixing plate 15, the first guide part 19 is a guide column, and the first guide part 19 plays a guiding and sliding role.

The linear feeder delivers the nuts to the material placing disc 4 orderly in a uniform direction, and then the cylinder I18 works to enable all the ejector pins I17 on the fixing plate II 14 to move longitudinally uniformly, so that the nuts on the material placing disc 4 are pressed to the material delivery mechanism I48 in a uniform placing direction.

As shown in fig. 4, a third groove body 11 is further arranged on the first fixing plate 9, an induction device 12 is arranged in the third groove body 11, the induction device 12 is an optical fiber sensor, the induction device 12 is used for inducing whether nuts exist in the first groove body 5, the nuts which come out of the linear feeder regularly enter the first groove body 5 through the feed opening 10, and the discharge tray 4 is further provided with a detection bracket 7 and a proximity switch 8.

The working principle of the discharging mechanism 47 is as follows: the linear feeder delivers nuts to the first groove body 5 of the material placing disc 4 and is positioned in the first groove body 5, the first driving piece 16 works, the material placing disc 4 rotates for a fixed angle, the first groove hole 5 without the nuts is aligned with the linear feeder, and the linear feeder carries out feeding work. The process is repeated until the proximity switch 8 detects the detection support 7 again, at the moment, the material placing disc 4 rotates 360 degrees, nuts are positioned in the groove holes I5, the cylinder I18 works, and the thimble I17 presses down to send the nuts to the feeding mechanism I48; after the discharging disc 4 rotates once, the sensing device 12 can detect the slotted hole 5 which is just fed once, and if the situation that the material is not fed occurs, the material can be fed again, so that the situation that one assembling nut is not arranged in the mounting hole of the product hub 59 is avoided.

As shown in fig. 1, 2, 5, and 6, the first feeding mechanism 48 includes a feeding plate 20, the frame 1 is provided with a first sliding groove 21 along the horizontal direction, the first sliding groove 21 is provided with a first sliding block 55, the first sliding block 55 is provided with a second sliding block 56, the second sliding block 56 is provided with a third support 22, the third support 22 is longitudinally provided with a sliding rail 23, the feeding plate 20 is provided on the sliding rail 23, the frame 1 is provided with a second driving member 24 for driving the feeding plate 20 to horizontally move on the first sliding groove 23, and the third support 22 is provided with a second air cylinder 25 for driving the feeding plate 20 to longitudinally move on the sliding rail 23.

The feeding plate 20 is located below the feeding plate 4 at the initial position, nuts in the first groove body 5 are placed in the second through holes 29 of the attaching plate 27 in the feeding plate 20 through the feeding plate 4, the feeding plate 20 is moved to the assembling mechanism 2 in the horizontal direction through the feeding mechanism 48, the longitudinal position of the feeding plate 20 is adjusted 25 through the second air cylinder, the feeding plate 20 is close to the hub 59 to be assembled, and assembling work is facilitated.

As shown in FIG. 5, a dovetail groove I51 is arranged between the slide block I55 and the slide block II 56, the front and back positions of the feeding plate 20 can be adjusted through the dovetail groove I51, the positions of the feeding plate 20 and the assembling hubs 59 are adjusted, and the nuts in the through holes II 29 correspond to the mounting holes in the hubs 59.

As shown in fig. 5, the first stoppers 53 are disposed on two sides of the first chute 21, the first stoppers 53 are used for limiting the horizontal position of the feeding plate 20, and the length of the first stoppers 53 can be adjusted to enable the feeding plate 20 to be located just below the discharging mechanism 47 or the assembling mechanism 2 respectively when moving to the bottom, and can play a role in buffering and determining the positions of the feeding plate 20 in the discharging mechanism 47 and the assembling mechanism 2.

As shown in fig. 6, the feeding plate 20 includes a guide plate 26 and an attachment plate 27, the guide plate 26 is disposed on the slide rail 23, the attachment plate 27 is disposed below the guide plate 26, through holes 28 corresponding to the first through holes 5 are uniformly formed in the guide plate 26 in the circumferential direction, a through hole two 29 opposite to the through hole one 28 is formed in the attachment plate 27, a groove body four 30 is disposed on one side of the through hole two 29 in the attachment plate 27, and a magnet is disposed in the groove body four 30.

After the material placing disc 4 is filled with the nuts, the first air cylinder 18 works, the first ejector pin 17 presses downwards, the nuts in the first groove body 5 are pushed into the second through holes 29 of the attaching disc 27 through the first through holes 28 of the guide plate 26, the guide plate 26 plays a guiding role, and the nuts are positioned in the second through holes 29 under the action of the magnets arranged in the fourth groove body 30. In order to prevent the magnet from attracting the lower part of the tray 4, the guide plate 26 is made of a non-magnetic material, the guide plate 26 also functions as a magnetic shield, and the magnet is provided on the adhesion plate 27 to further prevent the magnet from attracting the tray.

The first feeding mechanism 48 has the working principle that: the nut enters the second through hole 29 of the attachment disc 27 through the work of the discharging mechanism 47 and is adsorbed in the second through hole 29 by the magnet, the second driving piece 24 works to enable the feeding plate 20 to horizontally move into the assembling mechanism 2, and the second air cylinder 25 works to enable the discharging plate 4 to be close to the hub 59, so that the assembling work is convenient to carry out.

As shown in fig. 1, 2, 7 and 8, the glue injection mechanism 3 includes a first bracket 32 and a fourth fixing plate 33 disposed below the first bracket 32, a third cylinder 34 is disposed on the first bracket 32, and a third piston rod of the third cylinder 34 is connected to the fourth fixing plate 33, so that the third cylinder 34 can drive the fourth fixing plate 33 to move longitudinally, and the fourth fixing plate 33 is disposed on the fourth fixing plate 33On the upper partThe glue injection pipe 31 is arranged, glue can be injected to the wheel hub 59 through the glue injection pipe 31, the air cylinder three 34 works to enable the fixing plate four 33 to move longitudinally, and therefore the glue injection pipe 31 can move longitudinally in a unified mode.

As shown in fig. 7 and 8, a second guide member 35 is disposed between the first bracket 32 and the fourth fixing plate 33, the second guide member 35 is a guide post, and the second guide member 35 plays a guiding sliding role. The glue injection pipe 31 comprises a containing cavity 37, a sealing plug is arranged in the containing cavity 37, a glue injection port 36 is arranged at one end of the containing cavity 37, a driving mechanism for driving the sealing plug to move longitudinally is arranged at the other end of the containing cavity 37, when the air cylinder III 34 works, the glue injection port 36 of the glue injection pipe 31 is inserted into a to-be-injected glue mounting hole of the hub 59, the sealing plug is controlled to be pressed down by the driving mechanism to press glue in the containing cavity 37 into the to-be-injected glue mounting hole, and glue injection is completed. Glue injection mechanism 3 still includes glue holding vessel 46, and through hose connection between glue holding vessel 46 and the side that holds the chamber 37, the kneck of hose and appearance chamber 37 is provided with the check valve, and when the glue that holds the intracavity 37 was not enough, glue holding vessel 46 can be with glue water pressure to in the injecting glue pipe 31.

The working principle of the glue injection mechanism 3 is as follows: the hub 59 is placed below the fourth fixing plate 33, the third air cylinder 34 works to drive the fourth fixing plate 33 to move downwards integrally, meanwhile, the glue injection pipe 31 is driven to move downwards, the glue injection port 36 of the glue injection pipe 31 is aligned with the mounting hole of the hub 59, and the driving mechanism on the cavity 37 controls the longitudinal movement of the sealing plug to complete glue injection.

As shown in fig. 1, 2, and 9, the second feeding mechanism 49 includes a third sliding groove 39, the third sliding groove 39 is disposed on the rack 1 along the horizontal direction, a third sliding block 57 is disposed on the third sliding groove 39, a fourth sliding block 58 is disposed on the third sliding block 57, a fixed seat 38 is disposed on the fourth sliding block 58, the fixed seat 38 is used for placing a hub 59, when the hub 59 is not placed on the fixed seat 38, the fixed seat 38 is located in the glue injection mechanism 3, and a third driving member 40 for driving the fixed seat 38 to move horizontally on the third sliding groove 39 is disposed on the rack 1.

As shown in fig. 9, a second dovetail groove 52 is arranged between the third slide block 57 and the fourth slide block 58, the front and rear positions of the fixed seat 38 can be adjusted through the second dovetail groove 52, and the positions of the fixed seat 38 and the feeding plate 20 are adjusted, so that the nuts in the second through holes 29 correspond to the mounting holes in the hub 59.

As shown in fig. 2 and 9, two sides of the third sliding groove 39 are provided with two limiting members 54, the two limiting members 54 are used for limiting the horizontal position of the fixing base 38, the moving distance of the fixing base 38 can be limited by adjusting the two limiting members 54, the fixing base 38 can be just located below the assembling mechanism 2 or the glue injection mechanism 3, and the two limiting members 54 can play a role in buffering.

The fixing seat 38 is provided with a positioning rod, the hub 59 product is provided with a positioning hole matched with the positioning rod, the hub 59 is fixed on the fixing seat 38 according to the matching of the positioning rod and the positioning hole, and the positioning rod can play a positioning role, so that the mounting hole in the hub 59 is opposite to the glue injection pipe 31.

The second feeding mechanism 49 has the working principle that: wheel hub 59 places on fixing base 38, and the locating lever on fixing base 38 matches with wheel hub 59, makes wheel hub 59's mounting hole and injecting glue pipe 31 relative, waits the injecting glue to accomplish the back, and three 40 work of driving piece move fixing base 38 to assembly devices 2 in, continue to process wheel hub 59 on fixing base 38 by assembly devices 2.

As shown in fig. 1, 2, and 10, after glue injection is completed, the driving member three 40 operates to horizontally move the fixing seat 38 into the assembly mechanism 2, at this time, the feeding plate 20 is located above the fixing seat 38, the assembly mechanism 2 includes a bracket two 41 and a fixing plate five 42 disposed below the bracket two 41, a cylinder four 50 is disposed on the bracket two 41, a piston rod four of the cylinder four 50 is connected to the fixing plate five 42, the cylinder four 50 can drive the fixing plate five 42 to longitudinally move, an ejector pin two 43 opposite to the through hole one 28 is disposed on the fixing plate five 42, a cylinder five 44 is disposed on an upper surface of the fixing plate five 42, and the piston rod five of the cylinder five 44 is connected to the ejector pin two 43.

A third guide part 45 is arranged between the fifth fixing plate 42 and the second bracket 41, the third guide part 45 is a guide column, and the third guide part 45 plays a role in guiding and sliding.

The working principle of the assembling mechanism 2 is as follows: the nuts are placed in order by the feeding plate 20 of the first feeding mechanism 48 and are sent into the assembling mechanism 2 in a unified direction, after the glue injection of the glue injection mechanism 3 is completed, the second feeding mechanism 49 sends the product hub 59 which is injected with the glue into the assembling mechanism 2 and is located below the feeding plate 20, the fourth cylinder 50 works, the fifth fixing plate 42 integrally moves downwards, the second ejector pins 43 arranged on the fifth fixing plate 42 also integrally move downwards and then work by the fifth cylinder 44, the second ejector pins 43 are driven to be inserted into the second through holes 29 of the feeding plate 20, the nuts in the second through holes 29 are pressed into the mounting holes, which are injected with the glue, of the hubs 59, the assembly is completed, the fifth cylinder 44 resets, the fourth cylinder 50 resets, the second driving piece 24 works, the feeding plate 20 returns to the position below the material placing plate 4, the third driving piece 40 works, the fixing seat 38 returns to the position below the glue injection mechanism 3.

At the initial position, the proximity switch 8 is opposite to the detection support 7 at the moment, the vibrating disc and the linear feeder convey nuts into the first groove body 5 of the material placing disc 4, the magnet in the second groove body 6 adsorbs the driving piece 16 to drive the material placing disc 4 to rotate, the first groove body 5 without the nuts is aligned to the linear feeder, the feeding is repeated until the proximity switch 8 is opposite to the detection support 7 again, and the nuts are placed in the first groove body 5 at the moment; the first cylinder 18 operates the ejector pin 17 to press down to penetrate through the first groove body 5 to push down the nut, so that the nut enters the second through hole 29 in the attachment disc 27 through the first through hole 28 in the guide plate 26, the nut is adsorbed in the second through hole 29 through the magnet in the fourth groove body 30, and the second driving piece 24 operates to integrally move the feeding plate 20 into the assembling mechanism; meanwhile, the hub 59 is fixed on the fixing seat 38 through the positioning rod, the fixing seat 38 is located in the glue injection mechanism 3, the third air cylinder 34 works to align the glue injection port 36 of the glue injection pipe 31 with the mounting hole of the hub 59 to complete glue injection, the third driving piece 40 works to move the fixing seat 38 into the assembling mechanism 2, the fourth air cylinder 50 works, the fifth fixing plate 42 moves downwards to enable the second ejector pins 43 on the fifth fixing plate 42 to be close to the mounting hole of the hub 59, the fifth air cylinder 44 works, and the second ejector pins 43 push downwards to be positioned in the second through holes 29 and pressed into the mounting hole of the hub 59 to complete assembling work.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and it will be apparent to those skilled in the art that several modifications and improvements may be made without departing from the present invention, and these should be construed as falling within the scope of the present invention.

Claims (10)

1. The utility model provides an electric motor car wheel hub fixation nut assembly machine, includes frame (1), its characterized in that, frame (1) on be provided with assembly devices (2), one side of assembly devices (2) is provided with injecting glue mechanism (3), the opposite side of assembly devices (2) is provided with drop feed mechanism (47), one side of drop feed mechanism (47) be provided with feed mechanism, feed mechanism including vibration dish and sharp glassware of going up, the sharp glassware exit end of going up corresponding with drop feed mechanism (47), the below of drop feed mechanism (47) be provided with the feed mechanism one (48) that are used for conveying the nut, the below of assembly devices (2) and injecting glue mechanism (3) be provided with the feed mechanism two (49) that are used for conveying wheel hub (59).

2. The assembly machine of claim 1, wherein the discharging mechanism (47) comprises a discharging tray (4), a first groove body (5) which is longitudinally communicated is uniformly arranged in the circumferential direction of the outer side of the discharging tray (4), a second groove body (6) is arranged on one side of the first groove body (5), a magnet is arranged in the second groove body (6), the outlet end of the linear feeder is opposite to the first groove body (5), and a detection support (7) and a proximity switch (8) are further arranged on the discharging tray (4).

3. The electric vehicle hub fixing nut assembling machine as claimed in claim 2, wherein the material placing disc (4) is arranged on a first fixing plate (9), a material inlet (10) is formed in the first fixing plate (9), one side of the material inlet (10) is opposite to a first groove body (5), the other side of the material inlet (10) is opposite to a linear material loading device, a third groove body (11) is further arranged on the first fixing plate (9), and a sensing device (12) is arranged in the third groove body (11).

4. The electric vehicle hub fixing nut assembling machine as claimed in claim 3, wherein the first fixing plate (9) is arranged on a vertical column (13), a third fixing plate (15) is further arranged on the vertical column (13), a first driving part (16) for driving the material placing disc (4) to rotate is arranged on the third fixing plate (15), a second fixing plate (14) is arranged between the first fixing plate (9) and the third fixing plate (15), a first ejector pin (17) opposite to the first groove body (5) is arranged below the second fixing plate (14), a first air cylinder (18) is arranged on the upper surface of the second fixing plate (14), a first piston rod of the first air cylinder (18) is connected with the second fixing plate (14), and a first guiding part (19) is arranged between the second fixing plate (14) and the third fixing plate (15).

5. The assembly machine for fixing nuts on wheel hubs of electric vehicles according to claim 4, the first feeding mechanism (48) comprises a feeding plate (20), the rack (1) is provided with a first sliding groove (21) along the horizontal direction, a first sliding block (55) is arranged on the first sliding groove (21), a second sliding block (56) is arranged on the first sliding block (55), a third bracket (22) is arranged on the second sliding block (56), a sliding rail (23) is longitudinally arranged on the third bracket (22), the feeding plate (20) is arranged on a sliding rail (23), a driving piece II (24) for driving the feeding plate (20) to horizontally move is arranged on the frame (1), and a second air cylinder (25) for driving the feeding plate (20) to longitudinally move is arranged on the third support (22), and first limiting parts (53) are arranged on two sides of the first sliding groove (21).

6. The electric vehicle hub fixing nut assembling machine as claimed in claim 5, wherein the feeding plate (20) comprises a guide plate (26) and an attachment disc (27), the guide plate (26) is made of a non-magnetic material, the guide plate (26) is arranged on a slide rail (23), the attachment disc (27) is arranged below the guide plate (26), first through holes (28) corresponding to the first through holes (5) are uniformly formed in the guide plate (26) in the circumferential direction, second through holes (29) opposite to the first through holes (28) are formed in the attachment disc (27), a fourth through hole (30) is formed in one side of the second through hole (29) in the attachment disc (27), and magnets are arranged in the fourth through hole (30).

7. The assembly machine for fixing nuts on hubs of electric vehicles according to any one of claims 1 to 6, characterized in that the glue injection mechanism (3) comprises a first bracket (32) and a fourth fixing plate (33) arranged below the first bracket (32), a third air cylinder (34) is arranged on the first bracket (32), a third piston rod of the third air cylinder (34) is connected with the fourth fixing plate (33), a glue injection pipe (31) is arranged on the fourth fixing plate (33), and a second guide component (35) is arranged between the first bracket (32) and the fourth fixing plate (33).

8. The assembling machine for fixing nuts on electric vehicle hubs according to claim 7, characterized in that the glue injection pipe (31) includes a cavity (37), a sealing plug is disposed in the cavity (37), a glue injection port (36) is disposed at one end of the cavity (37), and a driving mechanism for driving the sealing plug to move longitudinally is disposed at the other end of the cavity (37).

9. The assembly machine of claim 8, wherein the second feeding mechanism (49) comprises a third sliding groove (39), the third sliding groove (39) is horizontally arranged on the frame (1), a third sliding block (57) is arranged on the third sliding groove (39), a fourth sliding block (58) is arranged on the third sliding block (57), a fixed seat (38) is arranged on the fourth sliding block (58), a third driving member (40) for driving the fixed seat (38) to horizontally move on the third sliding groove (39) is arranged on the frame (1), a positioning rod is arranged on the fixed seat (38), and two limiting members (54) are arranged on two sides of the third sliding groove (39).

10. The assembly machine of the fixed nut of the electric vehicle hub as claimed in claim 9, wherein the assembly mechanism (2) comprises a second bracket (41) and a fifth fixing plate (42) arranged below the second bracket (41), the second bracket (41) is provided with a fourth air cylinder (50), a fourth piston rod of the fourth air cylinder (50) is connected with the fifth fixing plate (42), the fifth fixing plate (42) is provided with a second ejector pin (43) opposite to the first through hole (28), the upper surface of the fifth fixing plate (42) is provided with a fifth air cylinder (44), the fifth piston rod of the fifth air cylinder (44) is connected with the second ejector pin (43), and a third guide member (45) is arranged between the fifth fixing plate (42) and the second bracket (41).

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