Assembly system of power supply inner core

Abstract

The invention belongs to the field of power supply equipment production, and discloses a power supply inner core assembling system which comprises a base. A plurality of first carriers used for bearing copper connectors are distributed in the circumferential direction of the first rotating disc; a plurality of second carriers used for bearing the insulating shell are distributed in the circumferential direction of the second rotating disc; the contact assembly assembling mechanism is located on the periphery of the first rotating disc and used for feeding the copper connector to the first carrier and assembling the inserting piece, the screw and the copper connector into a contact assembly. The inner core assembling mechanism is located on the periphery of the second rotating disc and used for feeding the insulating shell to a second carrier and assembling the assembled contact assembly, the insulating cover body and the insulating shell into an inner core; and a control system. The power supply inner core can be efficiently and automatically assembled at low cost, multi-target cooperative control in the assembling process is effectively avoided, and defective products can be reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of power supply production equipment, and particularly to an assembly system for the inner core of a power supply. Background Art

[0002] A power connector generally consists of a housing and an inner core, and the housing serves to protect the inner core. The inner core includes a contact assembly and an insulating assembly. The contact assembly is used to conduct current, and the insulating assembly is used to isolate the contact assembly from the housing to avoid short circuits.

[0003] The contact assembly is the core part of the inner core and is usually made of a metal material (such as copper or copper alloy). The shape and design of the contact assembly depend on specific applications and current requirements. The inner core involved in the present invention, as Figure 1 and Figure 2 shown, has three contact assemblies 11, which are respectively used to connect the live wire, the ground wire, and the neutral wire. Each contact assembly 11 includes a copper joint 111 and a blade 112. The copper joint is provided with a through interface 1111 and a screw hole 1112 perpendicular to the direction of the interface 1111. One end of the blade 112 is a conductive clip 1121, and the other end is a plug-in part 1122. The plug-in part 1122 is inserted into the interface 1111 of the copper joint 111, and there is also a screw 113 that cooperates with the insulating assembly to lock the mutually inserted copper joint 111 and blade 112.

[0004] The insulating assembly 12 is made of plastic or rubber and is generally cylindrical in shape. It consists of an insulating housing 121 with an open top surface and an insulating cover 122. Continuing to refer to Figure 1 , the insulating housing 121 is tangentially divided into three mutually separated cavities 1211, and each contact assembly 11 is respectively arranged in a corresponding cavity 1211. The side wall of the insulating housing 121 is provided with a screw channel 1212 for facilitating the screwing of the screw 113. The insulating cover 122 covers the open top surface of the insulating housing 121, and the insulating cover 122 has three openings 1221, which respectively correspond to the interfaces 1111 of the three copper joints 111.

[0005] The existing assembly method of the inner core 1 completely relies on manual labor, and the specific steps are as Figure 2 shown: S1, manually clamp the blade 112 and the copper joint 111 with pliers and insert them into the insulating housing 121 from the open top surface of the insulating housing 121 (a total of 3 times); S2, manually screw the screw 113 into the copper joint 111 of the already installed insulating housing 121 to lock the copper joint 111 and the blade 112 (a total of 3 times), and it is necessary to control the screwing degree of the screw 113 to ensure that the interface 1111 of the copper joint 111 is aligned with the opening 1221 of the insulating cover 122 to be installed next; S3, manually use an ultrasonic machine to weld the insulating cover 122 and the insulating housing 121.

[0006] The existing assembly method has the problem of low assembly efficiency, with a production capacity of only 104 PCS / H. Moreover, the quality of manual assembly is unstable, unable to ensure the consistency of the finished product assembly quality. However, if the automated system is configured directly according to the manual steps, it may lead to an exponential increase in equipment complexity, while the yield is lower than that of manual operation. Manual operation can achieve coordinated control of multiple objectives (copper joints, inserts, screws, and insulating housings). It can judge the depth of screw insertion by feel and determine the alignment degree of the interface and the opening by vision. But these are challenges and bottlenecks for the automated system. To confirm the alignment of the interface and the opening, it often leads to a sharp increase in sensor costs. Summary of the Invention

[0007] The first technical problem to be solved by the present invention is to propose an assembly system for automatically assembling the power supply inner core involved in the present invention efficiently and at low cost in view of the above technical status.

[0008] The second technical problem to be solved by the present invention is to propose an assembly system for the power supply inner core that can accurately position the insulating cover and the insulating housing orientation in view of the above technical status.

[0009] The technical solution adopted by the present invention to solve the first technical problem is as follows: An assembly system for a power supply inner core, characterized by comprising a base; a first turntable rotatably arranged on the base, with a plurality of first carriers for carrying copper joints circumferentially distributed thereon; a second turntable rotatably arranged on the base, with a plurality of second carriers for carrying insulating housings circumferentially distributed thereon; a contact component assembly mechanism arranged on the base and located outside the first turntable, for feeding copper joints onto the first carriers and assembling inserts, screws and copper joints into contact components; an inner core assembly mechanism arranged on the base and located outside the second turntable, for feeding insulating housings onto the second carriers and assembling the assembled contact components, insulating covers and insulating housings into inner cores; a control system for controlling the automatic operation of the first turntable, the second turntable, the contact component assembly mechanism and the inner core assembly mechanism.

[0010] Compared with the prior art, the present invention assembles the power supply inner core by automatically controlling the operation of the first turntable, the second turntable, the contact component assembly mechanism and the inner core assembly mechanism through a control system. The single-person production efficiency is increased from the original 104 PCS / H to 400 PCS / H, and the efficiency is increased by about 3 times. One person can monitor 3 machines in automated production, greatly reducing the labor cost. In addition, in automated assembly production, the quality of the products produced is stable and uniform, and the production yield is greatly improved. Moreover, the present invention assembles the insert, the screw and the copper joint into a standardized contact component through the contact component assembly mechanism and then installs it with the insulating housing, effectively avoiding the multi-objective collaborative control in the assembly process and reducing the generation of defective products.

[0011] In order to improve the consistency of the standardized contact component and prevent relative displacement between the copper joint and the insert during transportation and installation, preferably, the contact component assembly mechanism is sequentially provided on the base along the rotation direction of the first turntable with: A copper joint feeding device for feeding copper joints to the first carrier; An insert feeding device for inserting inserts into the copper joints; A screw feeding device for pre-locking screws to the copper joints after insertion; A screw locking device for locking the pre-locked screws, thereby completing the assembly of the contact component.

[0012] The screw locking device can lock the copper joint and the insert, rather than simply locking it to a specified depth as in manual operation. This can ensure that the assembled contact component has high consistency and the components are not easily loosened. The screw locking device can also synchronously detect whether a screw is installed during locking and immediately remove defective products.

[0013] To better cooperate with the contact component assembly mechanism, transfer the contact component to the second turntable and assemble it into an inner core. Preferably, the inner core assembly mechanism is sequentially provided on the base along the rotation direction of the second turntable with: An insulating housing feeding device for feeding insulating housings to the second carrier; A contact component transfer device for transferring the assembled contact component from the first carrier to the second carrier and filling the contact component into three cavities of each insulating housing; An insulating cover feeding device for pre-installing an insulating cover above the insulating housing; An insulating cover welding device for welding the insulating housing and the pre-installed insulating cover; A screw removing device for adjusting the locking degree of the screw to align the interface of the copper joint with the opening of the insulating cover, completing the assembly of the inner core.

[0014] The screw-removing device can adjust the locked contact assembly to a semi-locked state, which not only ensures the high consistency and integrity of the contact assembly during the automated assembly process but also enables automatic screw removal in the final stage of assembly so that the inner core can meet the functional requirements of the product. The screw-removing device can also synchronously detect whether the screw removal is in place, and simultaneously reject defective products and output qualified products.

[0015] To further improve the production yield, preferably, an insulating housing feeding detection device is provided between the insulating housing feeding device and the contact assembly transfer device for detecting whether the second carrier carries an insulating housing.

[0016] Since the contact assembly transfer device needs to fill the contact assemblies into the three cavities of each insulating housing, it is necessary that the rotation angles of each insulating housing mounted on the second carrier are all the same to prevent the contact assembly transfer device from colliding with the partition separating the three cavities when filling the contact assemblies and thus being unable to fill accurately. The same problem also occurs when the insulating cover feeding device pre-assembles the insulating covers on the insulating housings. All the insulating covers need to be rotated to the same specified angle to ensure that the openings of the insulating covers are aligned with the cavities of the insulating housings and not with the partitions separating the cavities. As a technical solution to solve the above second technical problem: both the insulating housing feeding device and the insulating cover feeding device have rotation positioning structures, and the side walls of the insulating housing and the insulating cover both have detection bumps. The rotation positioning structures are used to position the insulating housing and the insulating cover so that the detection bumps of the insulating housing and the insulating cover face the specified directions.

[0017] Specifically, the rotation positioning structure includes: A rotation station, which is provided with a positioning portion matching the bottom contour of the structure to be positioned, so that the structure to be positioned is fixed relative to the rotation station; A reflective optical fiber, installed on the side of the rotation station, whose optical axis is aligned with the detection bump on the side wall of the structure to be positioned.

[0018] The detection bump can be any bump that the structure to be positioned itself has. The initial angles of each structure to be positioned when placed on the rotation station are different. The time when the reflective optical fiber first detects the detection bump is used as the starting time to eliminate the influence of different initial angles. According to the time difference between the reflective optical fiber detecting the detection bump twice, the time required for the structure to be positioned to rotate one circle can be determined, and thus the time required to rotate the specified angle can be calculated.

[0019] Preferably, the control system is signal - connected to the rotating station and the reflective optical fiber, and is configured to calculate the rotation angle according to the time interval between two adjacent detections of the detection bumps, and control the rotating station to stop rotating, so as to position the structure to be positioned to the specified orientation. The control system can be a PLC (Programmable Logic Controller), which can perform precise data processing and accurately control the rotating station.

[0020] In order to improve the yield rate of the contact component assembly process, the first carrier needs to stably carry the copper joint. Preferably, a stepped groove is formed on one side of the first carrier away from the axis of the first turntable. The stepped groove includes an outer groove part and a relatively narrowed inner groove part, and a stepped surface is formed at the narrowed part. The copper joint interface is placed in the outer groove part with the inner and outer orientations, the outer groove part matches the outer contour of the copper joint, the stepped surface abuts against the copper joint, and the inner groove part accommodates the part of the insertion piece extending out of the copper joint. Since the outer groove part matches the outer contour of the copper joint, the copper joint will not be displaced in the first carrier. The stepped surface can limit the insertion depth of the copper joint when it is pushed into the first carrier, so that each copper joint is in the same state in the first carrier. The interface of the copper joint is in the inner and outer orientations. After the insertion piece is inserted into the copper joint, under the action of gravity, the insertion part of the insertion piece always abuts against the lower surface of the copper joint interface and will quickly reset even if disturbed.

[0021] For the convenience of screwing in the screws, preferably, the screw holes of the copper joint are placed in the outer groove part with the openings facing upwards, and a channel for guiding the stepped groove is opened on the upper surface of the first carrier. The channel is for installing the screws into the screw holes of the copper joint.

[0022] To prevent the insulating housing from deflecting during the rotation of the second turntable, preferably, a load - carrying groove for carrying the insulating housing is opened on the upper surface of the second carrier, and a guiding groove is opened on the groove wall of the load - carrying groove. The guiding groove matches the detection bumps of the insulating housing. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 Schematic diagram of the structure of the inner core involved in the present invention; Figure 2 Schematic diagram of the manual assembly process of the inner core involved in the present invention; Figure 3 Schematic diagram of the structure of the embodiment of the present invention; Figure 4 Schematic diagram of the structure of the first carrier of the embodiment of the present invention; Figure 5 For Figure 3 Enlarged schematic diagram at A of Figure 6 For Figure 3 Enlarged schematic diagram at B of Figure 7 Schematic enlarged view at position C of Figure 3 ; Figure 8 Schematic diagram of the process of assembling the contact component in the embodiment of the present invention, where (a) is before the copper joint is loaded, (b) is when the copper joint is loaded, (c) is when the insert is inserted into the copper joint, (d) is when the screw is pre-locked, and (e) is when the screw is tightened; Figure 9 Schematic structural diagram of the second carrier in the embodiment of the present invention; Figure 10 Schematic structural diagram of the insulating housing loading device in the embodiment of the present invention; Figure 11 Schematic enlarged view at position D of Figure 3 ; Figure 12 Schematic structural diagram of the insulating cover loading device in the embodiment of the present invention; Figure 13 Schematic enlarged view at position E of Figure 3 ; Figure 14 Schematic diagram of the process of assembling the inner core in the embodiment of the present invention, where (a) is when the insulating housing is loaded, (b) is when the contact component is installed, (c) is when the insulating cover is pre-installed, and (d) is when the insulating cover is welded; Figure 15 Schematic diagrams of the inner core before and after removing the screw in the embodiment of the present invention, where (a) is before removing the screw and (b) is after removing the screw (the insulating cover is hidden). Detailed implementation manners

[0024] The present invention will be further described in detail below in conjunction with the embodiments with reference to the drawings.

[0025] As Figures 3 - 15 shown, it is a preferred embodiment of an assembly system for a power inner core of the present invention.

[0026] This embodiment includes a base 2, and devices and mechanisms for realizing the assembly function are directly or indirectly arranged on the base 2. As Figure 3 shown, this embodiment can be divided into two functional areas. The left side is the functional area for assembling the contact component 11. The assembled contact component 11 on the left side is transferred to the right functional area of the inner core 1 and assembled with the insulating housing 121 and the insulating cover 122 on the right side to form the inner core 1. In order to facilitate the swing of the contact component transfer jaw 251 during the transfer of the contact component 11, the right functional area is higher than the left functional area.

[0027] The left functional area includes a first turntable 31 rotatably arranged on the base 2, and a plurality of first carriers 311 for carrying the copper connectors 111 are circumferentially distributed thereon. A contact component assembling mechanism is arranged in a circle around the periphery of the first turntable 31, which is used to load the copper connectors 111 onto the first carriers 311 and assemble the insert pieces 112 and screws 113 with the copper connectors 111 into the contact components 11.

[0028] The structure of the first carrier 311 is as Figure 4 and Figure 8 shown in (a). A stepped groove is formed on the surface of the first carrier 311 away from the axis of the first turntable 31. The stepped groove includes an outer groove portion 3111 and a relatively narrowed inner groove portion 3112, and a step surface 3113 is formed at the narrowed part. The outer groove portion 3111 matches the outer profile of the copper connector 111 to prevent the copper connector 111 from displacing within the first carrier 311; the step surface 3113 abuts against the copper connector 111, which can limit the depth of the copper connector 111 when it is pushed into the first carrier 311. The designs of the outer groove portion 3111 and the step surface 3113 make each copper connector 111 in the same state after entering the first carrier 311. The interface 1111 of the copper connector 111 is placed inside the outer groove portion 3111 in an inner and outer orientation. The inner groove portion 3112 accommodates the part of the insert piece 112 that extends out of the copper connector 111. After the insert piece 112 is inserted into the copper connector 111, under the action of gravity, the insertion portion 1122 of the insert piece 112 always abuts against the lower surface of the interface 1111 of the copper connector 111 and will quickly reset even if disturbed. A channel 3114 for guiding the stepped groove is formed on the upper surface of the first carrier 311, and the channel 3114 is for installing the screw 113 into the screw hole 1112 of the copper connector 111. Correspondingly, when the copper connector 111 is placed in the outer groove portion 3111, its screw hole 1112 faces upward. The first carrier 311 designed in this embodiment can stably carry the copper connector 111, thereby improving the yield rate of the contact components 11 assembled thereon.

[0029] The contact component assembling mechanism includes a copper connector feeding device 21, an insert piece feeding device 22, a screw feeding device 23 and a screw locking device 24, and these devices are sequentially arranged on the base 2 along the rotation direction of the first turntable 31.

[0030] The copper connector feeding device 21 is as Figure 5As shown in the figure, it is used to convey the copper joint 111 to the first vehicle 311. The copper joint feeding track 211 orderly conveys the copper joint 111 towards the direction of the first turntable 31. At the front end of the copper joint feeding track 211, the first pneumatic push rod 212 of the copper joint pushes the copper joint 111 closest to the first turntable 31 to the left, so as to separate it from the other arranged copper joints 111. The second pneumatic push rod 213 of the copper joint pushes the separated copper joint 111 into the first vehicle 311. The pushed-in copper joint 111 is completely accommodated by the above-mentioned outer groove portion 3111, and the stepped surface 3113 abuts against the copper joint 111 to prevent the copper joint 111 from being pushed in continuously. Each copper joint 111 is pushed into the same depth, and the interface 1111 of the copper joint 111 faces in and out directions, and the screw hole 1112 faces upwards, as Figure 8 shown in (b).

[0031] The first turntable 31 rotates to transfer the first vehicle 311 filled with the copper joint 111 to the next station, and the insert feeding device 22 inserts the insert 112 into the copper joint 111 at this station, as Figure 6 shown in the figure. The insert 112 is conveyed in the insert feeding track 221 with the conductive clip 1121 facing outwards and the insertion part 1122 facing inwards. The insert feeding jaw 222 grabs the insert 112 at the front end of the insert feeding track 221, flips it to the appropriate orientation, and then inserts it into the interface 1111 of the front copper joint 111. The insertion part 1122 of the insert 112 always abuts against the side of the copper joint 111 interface 1111 without the screw hole 1112 under the action of gravity, as Figure 8 shown in (c).

[0032] After the copper joint 111 is inserted with the insert 112, the first turntable 31 rotates to bring it to the next station, and the screw feeding device 23 pre-locks the screw 113 to the copper joint 111 with the insertion completed at this station, as Figure 7 shown in the figure. The screw feeding vibrating disk 231 conveys the screw 113 to the screw feeding track 232. After the screw feeding jaw 233 grabs the screw 113, it is pre-loaded into the screw hole 1112 of the copper joint 111 through the channel 3114 of the guiding stepped groove opened on the upper surface of the first vehicle 311, as Figure 8 shown in (d).

[0033] The first turntable 31 brings the copper joint 111 pre-locked with the screw 113 to the screw locking device 24, as Figure 8 shown in (e). The screw locking device 24 locks the copper joint 111 and the insert 112. Instead of copying the manual operation here (only locking to the specified depth), it is to ensure that the assembled contact component 11 has high consistency and the components are not easily loosened. The screw locking device 24 can also synchronously detect whether the screw 113 is installed during locking and immediately reject defective products.

[0034] The right functional area includes a second turntable 32 rotatably arranged on the base 2, and a plurality of second carriers 321 for carrying the insulating housing 121 are circumferentially distributed thereon. An inner core assembly mechanism is arranged around the periphery of the first turntable 31, which is used to feed the insulating housing 121 onto the second carrier 321 and assemble the assembled contact assembly 11, insulating cover 122 and insulating housing 121 into the inner core 1. There is also a control system for controlling the automatic operation of the first turntable 31, second turntable 32, contact assembly mechanism and inner core assembly mechanism. In this embodiment, a PLC (Programmable Logic Controller) is selected as the control system.

[0035] The structure of the second carrier 321 is as Figure 9 shown. A load groove 3211 for carrying the insulating housing 121 is opened on its upper surface, and a guiding groove 3212 is opened on the groove wall of the load groove 3211. The guiding groove 3212 matches the detection bump 041 of the insulating housing 121, so that the insulating housing 121 will not change its direction due to some disturbances after being placed in the load groove 3211 in the correct direction.

[0036] The inner core assembly mechanism includes an insulating housing feeding device 26, an insulating housing feeding detection device 27, a contact assembly transfer device 25, an insulating cover feeding device 28, an insulating cover welding device 29 and a screw removal device 20. These devices are sequentially arranged on the base 2 along the rotation direction of the second turntable 32.

[0037] The insulating housing feeding device 26 is as Figure 10 shown, and is used to convey the insulating housing 121 to the second carrier 321. Since the contact assembly transfer device 25 needs to fill the contact assembly 11 into the three cavities 1211 of each insulating housing 121, it is required that the rotation angles of each insulating housing 121 mounted on the second carrier 321 are all the same, so as to avoid the contact assembly transfer device 25 colliding with the partition plate separating the three cavities 1211 and being unable to fill accurately. Therefore, the insulating housing feeding device 26 of this embodiment has a rotation positioning structure. The side wall of the insulating housing 121 has a detection bump 041, and the detection bump 041 can be any bump that the structure itself has and does not need to be specially designed. The rotation positioning structure is used to position the insulating housing 121 so that its detection bump 041 faces the specified direction.

[0038] The rotation positioning structure includes a rotation station 042. The rotation station 042 is provided with a positioning portion that matches the bottom contour of the structure to be positioned, so that the structure to be positioned is fixed relative to the rotation station 042. The rotation positioning structure further includes a reflective optical fiber 043. The reflective optical fiber 043 is installed on the side of the rotation station 042, and its optical axis is aligned with the detection bump 041 on the side wall of the structure to be positioned. Each structure to be positioned, the insulating housing 121, has a different initial angle when placed on the rotation station 042. The time when the reflective optical fiber 043 first detects the detection bump 041 is used as the starting point of time to eliminate the influence caused by different initial angles. According to the time difference between the reflective optical fiber 043 detecting the detection bump 041 twice, the time required for the structure to be positioned to rotate one circle can be determined, and thus the time required to rotate a specified angle can be calculated. The above control system is signal-connected to the rotation station 042 and the reflective optical fiber 043, and is configured to calculate the rotation angle according to the interval time between two detections of the detection bump 041 and control the rotation station 042 to stop rotating, so as to position the structure to be positioned to a specified orientation. After the rotation station 042 positions the insulating housing 121, the insulating housing loading gripper 261 then places the insulating housing 121 into the loading groove 3211 of the second carrier 321, and the detection bump 041 enters the guiding groove 3212, as Figure 14 shown in (a).

[0039] The second turntable 32 brings the insulating housing 121 to the contact component transfer device 25, as Figure 11 shown. The contact component transfer device 25 transfers the assembled contact component 11 from the first carrier 311 to the contact component loading track 252 through the contact component transfer gripper 251, and then the contact component loading gripper 253 fills the contact component 11 into the three cavities 1211 of each insulating housing 121, as Figure 14 shown in (b).

[0040] After the insulating housing loading detection device 27 detects whether the second carrier 321 carries the insulating housing 121, the second turntable 32 brings the insulating housing 121 with three contact components 11 to the insulating cover loading device 28, as Figure 12 shown. The insulating cover loading device 28 is used to pre-assemble the insulating cover 122 above the insulating housing 121. When the insulating cover loading device 28 pre-assembles the insulating cover 122 for the insulating housing 121, it also faces a problem similar to that of the insulating housing 121 loading. All the insulating covers 122 need to be rotated to the same specified angle to ensure that the opening of the insulating cover 122 is aligned with the cavity 1211 of the insulating housing 121, rather than being aligned with the partition separating the cavities 1211.

[0041] The insulating cover feeding device 28 also has a rotating positioning structure. The side wall of the insulating cover 122 has a detection bump 041. The rotating positioning structure positions the insulating cover 122 so that their respective detection bumps 041 face the specified direction. The initial angles of each insulating cover 122 to be positioned are different when placed at the rotating station 042. The time when the reflective optical fiber 043 first detects the detection bump 041 is used as the starting time to eliminate the influence caused by different initial angles. According to the time difference between the reflective optical fiber 043 detecting the detection bump 041 twice, the time required for the structure to be positioned to rotate one circle can be determined, and thus the time required to rotate a specified angle can be calculated. Preferably, the control system is signal-connected to the rotating station 042 and the reflective optical fiber 043, and is configured to calculate the rotation angle according to the interval time between two detections of the detection bump 041, and control the rotating station 042 to stop rotating, so as to position the structure to be positioned to the specified orientation. The control system can be a PLC (Programmable Logic Controller), which can perform precise data processing and accurately control the rotating station 042. After the rotating station 042 positions the insulating cover 122, the insulating cover feeding jaw 281 then places the insulating cover 122 above the insulating housing 121 to complete the pre-assembly of the insulating cover 122, as Figure 14 (c).

[0042] As Figure 14 shown in (d), the insulating housing 121 and the pre-assembled insulating cover 122 are welded by the insulating cover welding device 29. After completion, the second turntable 32 rotates the welded product to the screw removal device 20. The screw removal device 20 is as Figure 13 shown, as Figure 13 shown, and is used to adjust the screwing degree of the screw 113 so that the interface 1111 of the copper joint 111 is aligned with the opening of the insulating cover 122 to complete the assembly of the inner core 1. It can adjust the locked contact assembly 11 to a semi-locked state, which not only ensures the high consistency and integrity of the contact assembly 11 during the automated assembly process, but also can automatically remove the screw 113 at the final stage of assembly so that the inner core 1 can meet the functional requirements of the product. The structures before and after removing the screw 113 can be referred to Figure 15 (a) and Figure 15 (b). For easy observation, Figure 15 the insulating cover 122 in (b) is hidden. Actually, the insulating cover 122 has been welded to the insulating housing 121 at the stage of removing the screw 113. The screw removal device 20 also includes a good product track 201 and a defective product track 202, which can synchronously detect whether the removal is in place, and simultaneously remove defective products and output good products.

[0043] In this embodiment, the insertion piece 112, the screw 113 and the copper joint 111 are assembled into a standardized contact component 11 by the contact component assembly mechanism and then installed with the insulating housing 121. Finally, the screw 113 is removed to align the socket of the copper joint 111 with the opening of the insulating cover 122, effectively avoiding the multi-objective cooperative control in the assembly process and reducing the generation of defective products.

Claims

1. An assembly system for a power supply inner core, characterized in that, including a base (2); a first turntable (31) rotatably arranged on the base (2), with a plurality of first carriers (311) for carrying copper connectors (111) circumferentially distributed thereon; a second turntable (32) rotatably arranged on the base (2), with a plurality of second carriers (321) for carrying insulating housings (121) circumferentially distributed thereon; a contact assembly assembling mechanism arranged on the base (2) and located outside the first turntable (31), for feeding the copper connector (111) onto the first carrier (311) and assembling the insert (112), screw (113) and copper connector (111) into a contact assembly (11); a core assembling mechanism arranged on the base (2) and located outside the second turntable (32), for feeding the insulating housing (121) onto the second carrier (321) and assembling the assembled contact assembly (11), insulating cover (122) and insulating housing (121) into a core (1); a control system for controlling the automatic operation of the first turntable (31), second turntable (32), contact assembly assembling mechanism and core assembling mechanism.

2. The assembly system according to claim 1, wherein The contact assembly assembling mechanism is sequentially arranged on the base (2) along the rotation direction of the first turntable (31) and includes: a copper connector feeding device (21) for conveying the copper connector (111) to the first carrier (311); an insert feeding device (22) for inserting the insert (112) into the copper connector (111); a screw feeding device (23) for pre-locking the screw (113) to the copper connector (111) after insertion; a screw tightening device (24) for tightening the pre-locked screw (113) to complete the assembly of the contact assembly (11).

3. The assembly system according to claim 1, wherein, The core assembling mechanism is sequentially arranged on the base (2) along the rotation direction of the second turntable (32) and includes: an insulating housing feeding device (26) for conveying the insulating housing (121) to the second carrier (321); a contact assembly transfer device (25) for transferring the assembled contact assembly (11) from the first carrier (311) to the second carrier (321) and filling the contact assembly (11) into three cavities (1211) of each insulating housing (121); an insulating cover feeding device (28) for pre-installing the insulating cover (122) above the insulating housing (121); an insulating cover welding device (29) for welding the insulating housing (121) and the pre-installed insulating cover (122); a screw removing device (20) for adjusting the locking degree of the screw (113) to align the interface (1111) of the copper connector (111) with the opening of the insulating cover (122) to complete the core assembly.

4. The assembly system according to claim 3, characterized in that, An insulating housing feeding detection device (27) is arranged between the insulating housing feeding device (26) and the contact assembly transfer device (25) for detecting whether the second carrier (321) carries the insulating housing (121).

5. The assembly system according to claim 3, wherein, Both the insulating housing feeding device (26) and the insulating cover feeding device (28) have a rotary positioning structure. The side walls of the insulating housing (121) and the insulating cover (122) both have detection bumps (041). The rotary positioning structure is used to position the insulating housing (121) and the insulating cover (122) so that the detection bumps (041) of the insulating housing (121) and the insulating cover (122) face the specified direction.

6. The assembly system according to claim 5, characterized in that, The rotary positioning structure includes: A rotary station (042) provided with a positioning portion matching the bottom contour of the structure to be positioned, so that the structure to be positioned is fixed relative to the rotary station (042); A reflective optical fiber (043) installed on the side of the rotary station (042), and its optical axis is aligned with the detection bump (041) on the side wall of the structure to be positioned.

7. The assembly system according to claim 1, characterized in that The control system is signal-connected to the rotary station (042) and the reflective optical fiber (043), and is configured to calculate the rotation angle according to the time interval between two adjacent detections of the detection bump (041) and control the rotary station (042) to stop rotating, so as to position the structure to be positioned in the specified orientation.

8. The assembly system according to claim 1, wherein, On one side of the first carrier (311) away from the axis of the first turntable (31), a stepped groove is formed. The stepped groove includes an outer groove portion (3111) and a relatively narrowed inner groove portion (3112). A stepped surface (3113) is formed at the narrowing portion. The interface (1111) of the copper joint (111) is placed inside the outer groove portion (3111) with the inside and outside facing in the appropriate directions. The outer groove portion (3111) matches the outer contour of the copper joint (111). The stepped surface (3113) abuts against the copper joint (111). The inner groove portion (3112) accommodates the part of the insert piece (112) that extends out of the copper joint (111).

9. The assembly system according to claim 1, characterized in that: The screw hole (1112) of the copper joint (111) is placed inside the outer groove portion (3111) with the opening facing upwards. A channel (3114) for guiding the stepped groove is formed on the upper surface of the first carrier (311). The channel (3114) is for installing the screw (113) into the screw hole (1112) of the copper joint (111).

10. The assembly system according to claim 1, wherein: A load-bearing groove (3211) for carrying the insulating housing (121) is formed on the upper surface of the second carrier (321). A guiding groove (3212) is formed on the groove wall of the load-bearing groove (3211). The guiding groove (3212) matches the detection bump (041) of the insulating housing (121).

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