CN111590321A

CN111590321A - Automatic butt joint assembly equipment for couplings

Info

Publication number: CN111590321A
Application number: CN202010606912.9A
Authority: CN
Inventors: 彭敬
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2020-08-28

Abstract

The invention relates to the field of automatic assembly, in particular to automatic butt-joint assembly equipment for couplers, which comprises a workbench, a first material channel, a second material channel, a third material channel, a discharge slideway, a carrier container, a conveyor belt and two butt-joint components, wherein the first material channel, the second material channel and the third material channel are arranged on the workbench side by side, the carrier container can be transversely arranged at the lower ends of the first material channel, the second material channel and the third material channel in a turnover manner, the first material channel and the third material channel are respectively provided with a first stopping component and a second stopping component, the workbench is provided with a blanking hole which is right opposite to the carrier container, the discharge slideway is fixedly arranged at the bottom of the workbench and is positioned right below the blanking hole, the invention sequentially carries out one-by-one feeding on three parts through the three material channels, and finishes butt-joint assembly on the parts of the three couplers in the carrier container through two push heads, and carry out automatic blanking and transportation after the assembly, very big reduction the cost of labor, simultaneously effectual production efficiency that has promoted.

Description

Automatic butt joint assembly equipment for couplings

Technical Field

The invention relates to the field of automatic assembly, in particular to automatic butt joint assembly equipment for a coupler.

Background

The coupling is a device for connecting two shafts or a shaft and a rotating part, rotating together in the process of transmitting motion and power and not separating under normal conditions.

The coupling can be divided into a rigid coupling and a flexible coupling, wherein the rigid coupling is generally formed in one step by a machine tool during processing without assembly; in the process of assembling the flexible coupling, because the flexible coupling can provide axial supporting force, the flexible coupling is generally assembled by a plurality of parts, so that a device capable of automatically assembling the coupling is required to be designed.

Disclosure of Invention

In order to solve the technical problem, the automatic butt joint assembly equipment for the coupler is provided.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:

the utility model provides an automatic rigging equipment that docks of shaft coupling, comprises a workbench, first material way, the second material way, the third material way, the slide of unloading, carrier container, conveyer belt and two butt joint subassemblies, first material way, second material way and third material way set up side by side on the workstation, the horizontal setting that carrier container can overturn in first material way, the lower extreme of second material way and third material way, be provided with first interception subassembly and second interception subassembly on first material way and the third material way respectively, set up the blanking hole just to carrier container on the workstation, the slide of unloading is fixed to be set up in the bottom of workstation and to be located the blanking hole under, the conveyer belt is located the slide of unloading under, two butt joint subassemblies are fixed to be set up on the workstation and to be the both sides that symmetric state distributes in the blanking hole.

Preferably, the first material channel, the second material channel and the third material channel have the same structure, the second material channel is positioned between the first material channel and the third material channel, the width of the second material channel is smaller than the widths of the first material channel and the third material channel, the widths of the first material channel and the third material channel are consistent, the first material channel, the second material channel and the third material channel are respectively composed of an inclined material channel and a vertical blanking channel, the inclined material channel is fixedly arranged above the workbench through two support columns arranged at the bottom at intervals, the upper end of the vertical blanking channel is fixedly connected with the lower end of the inclined material channel, the top of the inclined material channel is an open mechanism, and the first stopping assembly and the second stopping assembly are both positioned at the connecting part of the inclined material channel and the vertical blanking channel.

Preferably, the top of carrier container is equipped with the U type holding tank that transversely link up, the U-shaped holding tank is communicate with the bottom that three perpendicular blanking said simultaneously, the lower extreme that three perpendicular blanking said flushes, and the top of carrier container and the bottom laminating of perpendicular blanking said, one side top of carrier container is fixed and is provided with two hinges, two hinges are located the both ends of carrier container respectively, the other end of two hinges respectively with the lower extreme wall connection of two perpendicular blanking said that correspond, the first half of three perpendicular blanking said is with one side through a transverse connection board fixed connection, all be fixed with one side of carrier container on this transverse connection board and be provided with articulated seat, be provided with a major axis cylinder between two articulated seats, the both ends of major axis cylinder are connected with two articulated seats respectively.

Preferably, the first stopping assembly comprises a first support, a first stepping motor, a first proximity switch, a first swing arm, a first connecting rod and three first stopping rods, the first stepping motor is fixedly arranged on one side of the first support in a horizontal state, the swing arm is arranged on the other side of the first support, an output shaft of the first stepping motor is fixedly connected with one end of the swing arm, a free end of the swing arm is fixedly connected with one end of the first connecting rod, the three first stopping rods are fixedly arranged on the same side of the first connecting rod in an interval state and are parallel to each other, each first stopping rod is perpendicular to the first connecting rod, arc-shaped baffles extending into the three inclined material channels are arranged at one ends of the three first stopping rods, which are far away from the first connecting rod, and the first proximity switch is fixedly arranged on the first support and is matched with one of the first stopping rods.

Preferably, the second stopping assembly comprises a second bracket, a second stepping motor, a second proximity switch, a second swing arm, a second connecting rod and three second stopping rods, the second stepping motor is fixedly arranged on one side of the second bracket in a horizontal state, the swing arm is arranged on the other side of the second bracket, an output shaft of the second stepping motor is fixedly connected with one end of the swing arm, the free end of the swing arm is fixedly connected with one end of the second connecting rod, the three second stopping rods are fixedly arranged on the same side of the second connecting rod in an interval state and are parallel to each other, the three second stopping rods and the three first stopping rods are arranged in a mutually staggered manner, each second stopping rod is vertical to the second connecting rod, one end of each second stopping rod, which is far away from the second connecting rod, is provided with a limiting baffle plate which respectively extends into the three inclined material channels, and the distance between the limiting baffle plate and the vertical material channel is greater than the distance between the arc baffle plate and the vertical material channel, the second proximity switch is fixedly arranged on the second bracket and is matched with one of the second stop levers.

Preferably, every butt joint subassembly all includes lead screw slip table, rubber pushing head, elastic buffer mechanism and rotary mechanism, and the lead screw slip table is that the horizontality is fixed to be set up on the workstation, and rotary mechanism passes through the elastic buffer mechanism activity and sets up on the output of lead screw slip table, and the rubber pushing head links to each other with rotary mechanism's output, and the diameter of rubber pushing head is less than the groove width of U type holding tank.

Preferably, elastic buffer mechanism includes horizontal support plate, two horizontal guide bars and two springs, two horizontal guide bars are the interval state and set up in the slip table top of lead screw slip table, the slip table top both ends of lead screw slip table are equipped with the baffle that is used for supplying water horizontal guide bar end connection that upwards extends, the one end of two horizontal guide bars is located to two springs cover respectively, a plurality of slip table and two horizontal guide bar sliding connection are passed through to horizontal support plate's bottom, the spring is located one side that carrier container was kept away from to horizontal support plate.

Preferably, the rotating mechanism comprises a third stepping motor, a long rotating shaft and two bearing seats, the long rotating shaft is horizontally arranged above the horizontal support plate through the two bearing seats, the third stepping motor is fixedly arranged at one end of the top of the horizontal support plate, which is far away from the carrier container, an output shaft of the third stepping motor is fixedly connected with one end of the long rotating shaft, and the rubber pushing head is fixedly sleeved at the other end of the long rotating shaft.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the three parts are sequentially fed one by one through the three material channels, the parts of the three couplings are butted and assembled in the carrier container through the two pushing heads, and automatic blanking and transferring are performed after assembly, so that the labor cost is greatly reduced, and the production efficiency is effectively improved.

Drawings

Fig. 1 is an assembly view of an assembled coupling of the present invention.

Fig. 2 is an exploded view of the assembled coupling of the present invention.

Fig. 3 is a schematic perspective view of the first embodiment of the present invention.

Fig. 4 is a side view of the present invention.

Fig. 5 is a front view of the present invention.

Fig. 6 is a partial perspective view of the first embodiment of the present invention.

Fig. 7 is a partial perspective view of the second embodiment of the present invention.

Fig. 8 is a first perspective view of the first and second stopping assemblies according to the present invention.

Fig. 9 is a schematic perspective view of a second stopping assembly and a first stopping assembly according to the present invention.

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

FIG. 11 is a side view of the docking assembly of the present invention.

Description of the drawings: 1-shaft locking device; 2-petal rubber pad; 3-a workbench; 4-a first material channel; 5-a second material channel; 6-a third material channel; 7-a discharge chute; 8-a carrier container; 9-a conveyor belt; 10-a docking assembly; 11-a first shut-down assembly; 12-a second interception component; 13-blanking holes; 14-inclined material channel; 15-vertical blanking channel; a 16-U-shaped accommodating groove; 17-a hinge; 18-a hinged seat; 19-long axis cylinder; 20-a first scaffold; 21-a first stepper motor; 22-a first proximity switch; 23-a first swing arm; 24-a first connecting rod; 25-a first shut-off lever; 26-arc baffle; 27-a second scaffold; 28-a second stepper motor; 29-a second proximity switch; 30-a second swing arm; 31-a second connecting rod; 32-a second stop lever; 33-a limit baffle; 34-a screw rod sliding table; 35-rubber pushing head; 36-a horizontal support plate; 37-horizontal guide bar; 38-a spring; 39-barrier strip; 40-a third stepper motor; 41-long rotating shaft; 42-bearing seat.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1 and 2, the assembled coupling is composed of three parts, including two shaft locking devices 1 and a petal rubber pad 2 for connecting the two shaft locking devices 1, the two shaft locking devices 1 are in staggered butt joint, and the petal rubber pad 2 is clamped in a gap at the end part of the two shaft locking devices 1.

Referring to fig. 3 to 11, the automatic butt joint assembling equipment for the coupler comprises a workbench 3, a first material channel 4, a second material channel 5, a third material channel 6 and a discharging slideway 7, carrier container 8, conveyer belt 9 and two butt joint subassemblies 10, first material is said 4, second material is said 5 and third material is said 6 and is set up side by side on workstation 3, the horizontal setting that carrier container 8 can overturn is in first material way 4, the lower extreme of second material way 5 and third material way 6, be provided with first interception subassembly 11 and second interception subassembly 12 on first material way 4 and the third material way 6 respectively, set up the blanking hole 13 just to carrier container 8 on the workstation 3, the slide 7 of unloading is fixed to be set up in workstation 3's bottom and be located blanking hole 13 under, conveyer belt 9 is located the slide 7 of unloading under, two butt joint subassemblies 10 are fixed to be set up on workstation 3 and be the both sides of symmetric state distribution in blanking hole 13. The first material channel 4 and the third material channel 6 are used for directionally discharging two shaft locking devices 1 respectively, the second material channel 5 is used for discharging petal rubber pads 2, the first stopping assembly 11 is used for stopping the shaft locking device 1 and the petal rubber pads 2 at the lowest end, the second stopping assembly 12 is used for stopping one group of shaft locking devices 1 and the petal rubber pads 2, the two shaft locking devices 1 and the petal rubber pads 2 at the lowest end fall into the carrier container 8 through the first material channel 4, the second material channel 5 and the third material channel 6 respectively along with the release of the first stopping assembly 11, then the two butting assemblies 10 push the two shaft locking devices 1 to the petal rubber pads 2 to complete butting assembly, then the carrier container 8 overturns, so that a well-transferred coupler falls into the discharging slide 7 through the discharging holes 13, and finally falls onto the conveying belt 9 along the discharging slide 7 to be transported away.

The first material channel 4, the second material channel 5 and the third material channel 6 are identical in structure, the second material channel 5 is located between the first material channel 4 and the third material channel 6, the width of the second material channel 5 is smaller than the width of the first material channel 4 and the width of the third material channel 6, the width of the first material channel 4 is consistent with that of the third material channel 6, the first material channel 4, the second material channel 5 and the third material channel 6 are all composed of an inclined material channel 14 and a vertical material channel 15, the inclined material channel 14 is fixedly arranged above the workbench 3 through two support columns arranged at the bottom at intervals, the upper end of the vertical material channel 15 is fixedly connected with the lower end of the inclined material channel 14, the top of the inclined material channel 14 is an open mechanism, and the first stopping component 11 and the second stopping component 12 are both located at the connecting position of the inclined material channel 14 and the vertical material channel 15. The shaft locking device 1 or the petal-shaped rubber pads 2 are sequentially arranged in the inclined material channel 14, slide downwards under the action of self gravity, and then fall into the carrier container 8 through the vertical material dropping channel 15 to be assembled.

The top of carrier container 8 is equipped with the U type holding tank 16 that transversely link up, the U type holds the groove and communicates with the bottom of three perpendicular blanking say 15 simultaneously, the lower extreme of three perpendicular blanking say 15 flushes, and the top of carrier container 8 and the bottom laminating of perpendicular blanking say 15, one side top of carrier container 8 is fixed and is provided with two hinges 17, two hinges 17 are located the both ends of carrier container 8 respectively, the other end of two hinges 17 is connected with the lower extreme outer wall of two perpendicular blanking say 15 that correspond respectively, the first one side of three perpendicular blanking say 15 is through a transverse connection board fixed connection with one side, all be provided with articulated seat 18 with one side of carrier container 8 on this transverse connection board, be provided with a major axis cylinder 19 between two articulated seats 18, the both ends of major axis cylinder 19 are connected with two articulated seats 18 respectively. Two shaft lockers 1 and petal rubber pad 2 fall back in the U type holding tank 16 of carrier container 8, make two shaft lockers 1 and petal rubber pad 2 each other block and accomplish the assembly back through two butt joint subassemblies 10, major axis cylinder 19's output shaft is withdrawed, thereby drive carrier container 8 and upwards overturn round hinge 17, thereby make U type holding tank 16's notch down just to the blanking hole 13 on workstation 3, and then make the shaft coupling of assembling among the U type holding tank 16 fall into the slide 7 of unloading, thereby the output shaft of last major axis cylinder 19 stretches out and makes carrier container 8 reset, thereby wait to catch next group of parts.

The first stopping assembly 11 comprises a first bracket 20, a first stepping motor 21, a first proximity switch 22, a first swing arm 23, a first connecting rod 24 and three first stopping rods 25, wherein the first stepping motor 21 is fixedly arranged at one side of the first bracket 20 in a horizontal state, the swing arm is positioned at the other side of the first bracket 20, an output shaft of the first stepping motor 21 is fixedly connected with one end of the swing arm, the free end of the swing arm is fixedly connected with one end of the first connecting rod 24, the three first stopping rods 25 are fixedly arranged at the same side of the first connecting rod 24 at intervals, and three first stopping rods 25 are parallel to each other, each first stopping rod 25 is perpendicular to the first connecting rod 24, arc-shaped baffles 26 respectively extending into the three inclined material channels 14 are arranged at one ends of the three first stopping rods 25 far away from the first connecting rod 24, and the first proximity switch 22 is fixedly arranged on the first support 20 and is matched with one first stopping rod 25. The first stopping assembly 11 is used to stop the lowest part in the inclined chute 14 to prevent the part in the inclined chute 14 from falling into the carrier container 8 and affecting the part being docked. The first swing arm 23 is driven to rotate by an angle by the first stepping motor 21, and the first connecting rod 24 is fixedly connected with the first swing arm 23, so that the first connecting rod 24 moves along with the swing arms, three first stopping rods 25 on the first connecting rod 24 extend into the three inclined material channels 14, and the arc-shaped baffle 26 at the end part of the first stopping rod 25 prevents corresponding parts from sliding downwards, when the first swing arm 23 drives the first stopping rods 25 on the first connecting rod 24 to move until extending into the inclined material channels 14, one of the first stopping rods 25 is detected by the first proximity switch 22, at this time, the first stopping rod 25 just extends into the inclined material channel 14 to be in place, so that a signal generated by the first proximity switch 22 is detected by the controller of the first stepping motor 21, and the first stepping motor 21 stops continuing to rotate. When the parts are released, the first stepping motor 21 drives the first swing arm 23 to rotate upwards by a certain angle, so that the arc-shaped baffle 26 moves out of the inclined material channel 14.

The second stopping assembly 12 comprises a second bracket 27, a second stepping motor 28, a second proximity switch 29, a second swing arm 30, a second connecting rod 31 and three second stopping rods 32, wherein the second stepping motor 28 is fixedly arranged on one side of the second bracket 27 in a horizontal state, the swing arm is arranged on the other side of the second bracket 27, an output shaft of the second stepping motor 28 is fixedly connected with one end of the swing arm, the free end of the swing arm is fixedly connected with one end of the second connecting rod 31, the three second stopping rods 32 are fixedly arranged on the same side of the second connecting rod 31 in an interval state, the three second stopping rods 32 are parallel to each other, the three second stopping rods 32 and the three first stopping rods 25 are arranged in a mutually staggered manner, each second stopping rod 32 is vertical to the second connecting rod 31, one ends of the three second stopping rods 32 far away from the second connecting rod 31 are provided with limit baffles 33 respectively extending into the three inclined material channels 14, the distance between the limit baffle 33 and the vertical blanking channel 15 is larger than the distance between the arc baffle 26 and the vertical blanking channel 15, and the second proximity switch 29 is fixedly arranged on the second bracket 27 and is matched with one of the second stopping rods 32. The second stopping assembly 12 operates in the same manner as the first stopping assembly 11, wherein the second stopping rod 32 and the first stopping rod 25 are arranged in a staggered manner so as not to interfere with each other, the first stopping assembly 11 is used for stopping the first set of parts to be assembled, the second stopping assembly 12 is used for stopping the second set of parts to be assembled, and the second stopping assembly 12 keeps a stopping state during the process that the first stopping assembly 11 releases the first set of parts into the vertical blanking channel 15. When the first group of parts falls down, the first interception component 11 is reset to keep the interception state, then the second interception component 12 releases the second group of parts, so that the second group of parts moves downwards to be intercepted by the first interception component 11, then the second interception component 12 is reset to keep the interception state again, and in the process, the third group of parts behind the second group of parts moves downwards to the position of the previous second group of parts.

Every butt joint subassembly 10 all includes lead screw slip table 34, rubber pushing head 35, elastic buffer mechanism and rotary mechanism, and lead screw slip table 34 is that horizontal state is fixed to be set up on workstation 3, and rotary mechanism passes through the elastic buffer mechanism activity to be set up on the output of lead screw slip table 34, and rubber pushing head 35 links to each other with rotary mechanism's output, and the diameter of rubber pushing head 35 is less than the groove width of U type holding tank 16. Two lead screw slip tables 34 drive two rubber to push away the head 35 respectively and transversely stretch into carrier container 8 from side to make two shaft locking device 1 in U type holding tank 16 be close to in opposite directions until the contact supports petal rubber pad 2 in the middle of tightly, in this process, rotary mechanism drives rubber to push away the head 35 and rotates, thereby makes two shaft locking device 1 be the crisscross state and petal rubber pad 2 completion joint.

Elastic buffer mechanism includes horizontal support plate 36, two horizontal guide bar 37 and two springs 38, two horizontal guide bar 37 are the interval state and set up in the slip table top of lead screw slip table 34, the slip table top both ends of lead screw slip table 34 are equipped with the blend stop 39 that is used for supplying horizontal guide bar 37 end connection that upwards extends, two springs 38 overlap the one end of locating two horizontal guide bar 37 respectively, a plurality of slip table and two horizontal guide bar 37 sliding connection are passed through to horizontal support plate 36's bottom, spring 38 is located one side that carrier container 8 was kept away from to horizontal support plate 36. In-process for avoiding rubber pushing head 35 to drive two shaft locking device 1 docks, the briquetting part cushions through setting up elastic buffer mechanism, and rubber pushing head 35 contacts shaft locking device 1's in-process comes to provide a horizontal elastic buffer allowance for horizontal support plate 36 through two springs 38 to it is rotatory to make rotating assembly have sufficient time to drive rubber pushing head 35, until accomplishing the butt joint of two shaft locking device 1.

The rotating mechanism comprises a third stepping motor 40, a long rotating shaft 41 and two bearing seats 42, the long rotating shaft 41 is horizontally arranged above the horizontal support plate 36 through the two bearing seats 42, the third stepping motor 40 is fixedly arranged at one end, far away from the carrier container 8, of the top of the horizontal support plate 36, an output shaft of the third stepping motor 40 is fixedly connected with one end of the long rotating shaft 41, and the rubber pushing head 35 is fixedly sleeved at the other end of the long rotating shaft 41. In the butt joint process, the end clamping teeth of the two shaft locking devices 1 need to be kept in a staggered state, so that the rubber pushing head 35 at the end of the long rotating shaft 41 is driven to slowly rotate by the third stepping motor 40, the two shaft locking devices 1 rotate in the process of extruding the petal rubber pads 2, and when the end clamping teeth of the two shaft locking devices are in a staggered state in the rotating process, the butt joint can be completed.

The foregoing has described the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An automatic butt-joint assembling device of a coupler is characterized by comprising a workbench (3), a first material channel (4), a second material channel (5), a third material channel (6), a discharging slide way (7), a carrier container (8), a conveyor belt (9) and two butt-joint components (10), wherein the first material channel (4), the second material channel (5) and the third material channel (6) are arranged on the workbench (3) side by side, the carrier container (8) can be overturned and is transversely arranged at the lower ends of the first material channel (4), the second material channel (5) and the third material channel (6), a first stopping component (11) and a second stopping component (12) are respectively arranged on the first material channel (4) and the third material channel (6), a discharging hole (13) which is just opposite to the carrier container (8) is arranged on the workbench (3), and the discharging slide way (7) is fixedly arranged at the bottom of the workbench (3) and is positioned under the discharging hole (13), the conveying belt (9) is positioned right below the discharging slide way (7), and the two butt joint assemblies (10) are fixedly arranged on the workbench (3) and are symmetrically distributed on two sides of the discharging hole (13).

2. The automatic butt-joint assembling equipment for the couplers according to claim 1, characterized in that the first material channel (4), the second material channel (5) and the third material channel (6) have the same structure, the second material channel (5) is positioned between the first material channel (4) and the third material channel (6), the width of the second material channel (5) is smaller than the width of the first material channel (4) and the third material channel (6), the width of the first material channel (4) is consistent with that of the third material channel (6), the first material channel (4), the second material channel (5) and the third material channel (6) are all composed of an inclined material channel (14) and a vertical blanking channel (15), the inclined material channel (14) is fixedly arranged above the workbench (3) through two support columns arranged at the bottom at intervals, the upper end of the vertical blanking channel (15) is fixedly connected with the lower end of the inclined material channel (14), and the top of the inclined material channel (14) is an open-mouthed mechanism, the first stopping assembly (11) and the second stopping assembly (12) are both positioned at the connecting part of the inclined material channel (14) and the vertical blanking channel (15).

3. The automatic butt-joint assembling equipment for the couplers as claimed in claim 2, wherein the top of the carrier container (8) is provided with a transversely-through U-shaped accommodating groove (16) which is communicated with the bottoms of the three vertical blanking passages (15) at the same time, the lower ends of the three vertical blanking passages (15) are flush, the top of the carrier container (8) is attached to the bottoms of the vertical blanking passages (15), the top of one side of the carrier container (8) is fixedly provided with two hinges (17), the two hinges (17) are respectively positioned at two ends of the carrier container (8), the other ends of the two hinges (17) are respectively connected with the outer walls of the lower ends of the two corresponding vertical blanking passages (15), the same side of the upper half parts of the three vertical blanking passages (15) is fixedly connected through a transverse connecting plate, and the transverse connecting plate is fixedly provided with a seat (18) on one side of the carrier container (8), a long shaft cylinder (19) is arranged between the two hinged seats (18), and two ends of the long shaft cylinder (19) are respectively connected with the two hinged seats (18).

4. The automatic butt-joint assembling equipment for the couplers according to claim 2, wherein the first stopping assembly (11) comprises a first bracket (20), a first stepping motor (21), a first proximity switch (22), a first swing arm (23), a first connecting rod (24) and three first stopping rods (25), the first stepping motor (21) is fixedly arranged on one side of the first bracket (20) in a horizontal state, the swing arm is arranged on the other side of the first bracket (20), an output shaft of the first stepping motor (21) is fixedly connected with one end of the swing arm, a free end of the swing arm is fixedly connected with one end of the first connecting rod (24), the three first stopping rods (25) are fixedly arranged on the same side of the first connecting rod (24) in an interval state, the three first stopping rods (25) are parallel to each other, each first stopping rod (25) is perpendicular to the first connecting rod (24), the ends, far away from the first connecting rods (24), of the three first stopping rods (25) are respectively provided with an arc-shaped baffle (26) extending into the three inclined material channels (14), and the first proximity switch (22) is fixedly arranged on the first support (20) and matched with one of the first stopping rods (25).

5. The automatic butt-joint assembling equipment for the couplers according to claim 4, wherein the second stopping assembly (12) comprises a second bracket (27), a second stepping motor (28), a second proximity switch (29), a second swing arm (30), a second connecting rod (31) and three second stopping rods (32), the second stepping motor (28) is fixedly arranged on one side of the second bracket (27) in a horizontal state, the swing arm is positioned on the other side of the second bracket (27), an output shaft of the second stepping motor (28) is fixedly connected with one end of the swing arm, a free end of the swing arm is fixedly connected with one end of the second connecting rod (31), the three second stopping rods (32) are fixedly arranged on the second connecting rod (31) in an interval state, the three second stopping rods (32) are parallel to each other, the three second stopping rods (32) and the three first stopping rods (25) are arranged in an interval manner, every second interception pole (32) all is perpendicular with second connecting rod (31), the one end that second connecting rod (31) was kept away from in three second interception pole (32) all is equipped with and stretches into limit baffle (33) in three slope material way (14) respectively, distance between limit baffle (33) and perpendicular blanking way (15) is greater than the distance between cowl (26) and the perpendicular blanking way (15), second proximity switch (29) are fixed to be set up on second support (27) and with one of them second interception pole (32) cooperation.

6. The automatic butt joint assembling equipment for the couplers according to claim 3 is characterized in that each butt joint assembly (10) comprises a screw rod sliding table (34), a rubber pushing head (35), an elastic buffering mechanism and a rotating mechanism, wherein the screw rod sliding table (34) is fixedly arranged on the workbench (3) in a horizontal state, the rotating mechanism is movably arranged at the output end of the screw rod sliding table (34) through the elastic buffering mechanism, the rubber pushing head (35) is connected with the output end of the rotating mechanism, and the diameter of the rubber pushing head (35) is smaller than the groove width of the U-shaped accommodating groove (16).

7. The automatic coupling butt joint assembling equipment according to claim 6, wherein the elastic buffer mechanism comprises a horizontal support plate (36), two horizontal guide rods (37) and two springs (38), the two horizontal guide rods (37) are arranged at the top of the screw rod sliding table (34) at intervals, two ends of the top of the screw rod sliding table (34) are provided with upwards extending stop bars (39) used for connecting the ends of the horizontal guide rods (37), the two springs (38) are respectively sleeved at one ends of the two horizontal guide rods (37), the bottom of the horizontal support plate (36) is connected with the two horizontal guide rods (37) in a sliding mode through a plurality of sliding tables, and the springs (38) are located on one side, away from the carrier container (8), of the horizontal support plate (36).

8. The automatic butt-joint assembling equipment for the couplers according to claim 7 is characterized in that the rotating mechanism comprises a third stepping motor (40), a long rotating shaft (41) and two bearing seats (42), the long rotating shaft (41) is horizontally arranged above the horizontal supporting plate (36) through the two bearing seats (42), the third stepping motor (40) is fixedly arranged at one end, far away from the carrier container (8), of the top of the horizontal supporting plate (36), an output shaft of the third stepping motor (40) is fixedly connected with one end of the long rotating shaft (41), and a rubber pushing head (35) is fixedly sleeved at the other end of the long rotating shaft (41).