Iron core secondary spacing adjustment component, iron core skeleton assembly machine and assembly method

Abstract

This invention relates to a core secondary spacing adjustment assembly, a core frame assembly machine, and an assembly method. The assembly includes a sliding table with a first slide rail and a second slide rail. A first material carrier is fixedly mounted on the sliding table, and a first positioning seat, a second positioning seat, a third positioning seat, and a fourth positioning seat are slidably arranged side-by-side on the first material carrier. An adjustment unit for adjusting the distance between the first and fourth positioning seats is provided on the first material carrier. The first and second positioning seats are connected by a first connecting rod assembly with adjustable spacing. The third and fourth positioning seats are connected by a second connecting rod assembly, and the second and third positioning seats are connected by a third connecting rod assembly. The assembly can automatically group core units in a row with the upper and lower frames installed, and adjust the spacing between core units within each group, facilitating subsequent grouping and winding operations, reducing worker workload, and improving processing efficiency.

Description

Technical Field

[0001] This invention relates to the field of motor processing technology, and more specifically, to a core secondary pitch adjustment assembly, a core frame assembly machine, and an assembly method. Background Technology

[0002] The stator core is one of the core components of an electric motor. A stator core is typically composed of multiple stator units. For cores with a large number of stator units, the winding process often requires first breaking down the entire circular core into individual core units, then assembling the core units into upper and lower frames. Once the frames are assembled, the core units can be wound. Currently, the grouping of core units after batch assembly and the sequencing of the core units within each group still rely on manual operation, which is physically demanding for workers. Therefore, a secondary pitch adjustment component for the stator core, a core frame assembly machine, and an assembly method are needed to address this problem. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a core secondary spacing adjustment component, a core frame assembly machine, and a core frame assembly method, in view of the above-mentioned defects of the prior art.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] A secondary spacing adjustment assembly for an iron core is constructed, comprising an elongated sliding table, on which a first slide rail and a second slide rail are arranged along the length direction; a first material carrier is fixedly disposed on the sliding table between the first and second slide rails, and a second material carrier and a driving unit for driving the second material carrier to slide are slidably disposed on both the first and second slide rails; the first and second material carriers have the same structure, and a first positioning seat, a second positioning seat, a third positioning seat and a fourth positioning seat are slidably disposed on the first material carrier in parallel; an adjustment unit for adjusting the distance between the first and fourth positioning seats is disposed on the first material carrier; the first and second positioning seats are connected by a first connecting rod assembly and the distance between them is adjustable; the third and fourth positioning seats are connected by a second connecting rod assembly and the distance between them is adjustable; and the second and third positioning seats are connected by a third connecting rod assembly and the distance between them is adjustable.

[0006] The iron core secondary pitch adjustment assembly of the present invention includes a first material carrier comprising a material carrier plate, a sliding plate and a plurality of support plates for supporting the sliding plate; a third slide rail slidably connecting a first positioning seat and a third positioning seat, and a fourth slide rail slidably connecting a second positioning seat and a fourth positioning seat; an adjustment unit comprising a drive cylinder disposed on the lower surface of the sliding plate, the drive cylinder comprising two drive arms and the two drive arms being fixedly connected to the first positioning seat and the fourth positioning seat respectively; and a slot for the drive arms to pass through is provided on the sliding plate between the third slide rail and the fourth slide rail.

[0007] The core secondary pitch adjustment assembly of the present invention comprises a first connecting rod assembly, a second connecting rod assembly, and a third connecting rod assembly having the same structure; the first connecting rod assembly includes a connecting crossbar, one end of which is provided with a first connecting screw, and the other end is provided with a second connecting screw and a movable groove that mates with the second connecting screw.

[0008] A core frame assembly machine includes a processing table with a core secondary spacing adjustment assembly as described above; a pressing platform with a lifting and rotating indexing plate; a core positioning seat and a lower frame positioning seat on the pressing platform, and a clamping assembly on the indexing plate; an upper frame pressing module, an upper frame receiving assembly, a lower frame pressing module, and a lower frame receiving assembly on the processing table; a first feeding unit for supplying upper frames to the upper frame receiving assembly is provided on one side of the processing table, and a second feeding unit for supplying lower frames to the lower frame receiving assembly is provided on the other side of the processing table; the upper frame pressing module and the lower frame pressing module have the same structure. The skeleton pressing module includes a clamping unit for batch clamping the upper skeleton from the upper skeleton receiving assembly, a pressing unit for batch pressing the upper skeleton, and a traversing unit for driving the clamping unit and the pressing unit to move laterally. The clamping assembly includes a mounting frame, on which a first clamping plate, a second clamping plate, and an adjusting unit are provided. The adjusting unit is used to drive the first clamping plate to move to change the distance between it and the second clamping plate. The first clamping plate and the second clamping plate are elastically connected by an elastic component. A plurality of first positioning elements and a plurality of second positioning elements are respectively provided on the opposite side surfaces of the first clamping plate and the second clamping plate. The first positioning elements and the second positioning elements correspond one-to-one and form a contouring unit that matches the shape of the iron core unit.

[0009] The processing table is equipped with a material transfer robot, a vision inspection and marking component, and a material discharge fixture; the material transfer robot is used to sequentially transfer the iron core after the upper and lower frames are assembled to the vision inspection and marking component, the iron core secondary spacing adjustment component, and the material discharge fixture.

[0010] The iron core frame assembly machine of the present invention includes a mounting frame comprising a base plate, a fixing plate on the base plate, and a plurality of first guide posts transversely passing through the fixing plate. One end of each first guide post is connected to a first clamping plate, and the other end of each first guide post is connected to the driving end of the adjusting unit. A first guide sleeve is movably sleeved on the first guide post. The mounting frame also includes a movable plate fixedly connected to the plurality of first guide sleeves. A plurality of second guide posts are fixedly mounted on the movable plate. A second guide sleeve that cooperates with the second guide posts passes through the fixing plate. The end of each second guide post away from the movable plate is fixedly connected to the second clamping plate. An elastic component elastically connects the second clamping plate and the fixing plate.

[0011] The iron core skeleton assembly machine of the present invention includes a bracket fixed on the base plate, a cylinder mounting plate on the bracket, a cylinder on the cylinder mounting plate, a connecting plate passing through the cylinder mounting plate at the movable end of the cylinder, and a plurality of first guide posts connected to the connecting plate; a limiting bolt for limiting the distance between the movable plate and the fixed plate is provided on the movable plate; the elastic component includes two springs located at both ends of the second clamping plate, one end of the spring being connected to the second clamping plate and the other end being connected to the fixed plate.

[0012] The iron core skeleton assembly machine of the present invention includes a first positioning member comprising a first base fixedly connected to a first clamping plate, wherein a first protrusion is provided on the side of the first base facing the second clamping plate, and a first guide groove is formed on both sides of the first protrusion; the second positioning member comprises a second base fixedly connected to a second clamping plate, wherein a second protrusion is provided on the side of the second base facing the first clamping plate, and a second guide groove is formed on both sides of the second protrusion; the first protrusion, the second protrusion, and the two second guide grooves are combined to form a contouring unit that matches the shape of the iron core unit.

[0013] The iron core frame assembly machine of the present invention includes an upper frame receiving assembly and a lower frame receiving assembly having the same structure; the upper frame receiving assembly includes a receiving conveyor belt and a limiting plate assembly located on the periphery of the receiving conveyor belt, and the limiting plate assembly has an elongated limiting groove that is consistent with the length direction of the receiving conveyor belt.

[0014] The iron core skeleton assembly machine of the present invention includes a clamping unit comprising a clamping mounting plate, on which multiple clamping cylinders are arranged side by side, a clamping rod is provided on the clamping mounting plate, and a clamping arm is provided on the movable end of each clamping cylinder. The clamping rod cooperates with the multiple clamping arms to complete the clamping action. The pressing unit comprises a pressing frame, on which a press is provided. The movable end of the press is fixedly connected to the clamping mounting plate. The clamping arm is L-shaped and its lower surface is flush with the lower surface of the clamping rod. The lower surface of the clamping arm and the lower surface of the clamping rod combine to form the pressing plane of the pressing unit.

[0015] A method for assembling a core frame, using the core frame assembly machine described above, wherein the method includes the following steps:

[0016] A column of iron core units is fed onto the clamping assembly. The distance adjustment unit controls the opening and closing of the first and second clamping plates once. Each iron core unit is clamped by a first positioning member and a second positioning member.

[0017] The indexing plate rotates, causing the clamping assembly to move above the iron core positioning seat. The adjustment unit controls the first and second clamping plates to open and close once, releasing the clamping of the iron core unit. The iron core unit falls into the iron core positioning seat for positioning.

[0018] The clamping unit of the upper skeleton pressing module clamps the upper skeleton in batches from the upper skeleton receiving component. The transverse unit drives the clamping unit to move above the clamping component. The indexing plate moves upward, driving the clamping component to move upward. The distance adjustment unit controls the opening and closing of the first clamping plate and the second clamping plate once. The clamping component clamps the upper skeleton.

[0019] The clamping unit releases its grip on the upper skeleton, the indexing plate moves downward, driving the clamping assembly downward. The second clamping plate elastically clamps the upper skeleton under the action of the elastic assembly. The pressing unit of the upper skeleton pressing module moves downward and, guided by the contouring unit, presses the upper skeleton and the iron core unit together, resulting in the first assembly.

[0020] The clamping unit of the lower skeleton pressing module clamps the lower skeleton in batches from the lower skeleton receiving assembly. The lateral movement unit drives the clamping unit to move above the lower skeleton positioning seat. The clamping unit releases the clamping unit from the lower skeleton, and the lower skeleton falls into the lower skeleton positioning seat for positioning.

[0021] The clamping assembly clamps the first assembly, the indexing plate drives the clamping assembly to move upward, the first assembly disengages from the iron core positioning seat, and the indexing plate drives the clamping assembly to rotate above the lower frame positioning seat;

[0022] The indexing plate drives the clamping assembly to move downwards. The second clamping plate elastically clamps the first assembly under the action of the elastic component. The pressing unit of the lower frame pressing module presses the first assembly and the lower frame together to obtain the second assembly.

[0023] The indexing plate drives the clamping assembly to move upward, and the indexing plate drives the clamping assembly to rotate to the discharge position. The transfer robot moves the second assembly after assembling the upper and lower skeletons to the vision inspection and coding assembly for vision inspection and coding of qualified products. The transfer robot moves the coded second assembly to the iron core secondary spacing adjustment assembly for grouping and spacing adjustment. The transfer robot moves the second assembly on the secondary spacing adjustment assembly to the discharge fixture.

[0024] The beneficial effects of this invention are as follows: A row of core units with the upper and lower frames installed is fed onto multiple positioning seats. Then, two drive units drive the corresponding second material carriers to move to both sides, completing the first pitch adjustment. Simultaneously, the adjustment unit adjusts the first and fourth positioning seats in each group to move in opposite directions. The first, second, and third connecting rod assemblies are used to widen the distance between the multiple positioning seats, thus completing the second pitch adjustment. Using the method of this application, a row of core units with the upper and lower frames installed can be automatically grouped, and the spacing between core units in each group can be adjusted, facilitating subsequent grouping and winding operations, reducing worker labor intensity, and improving processing efficiency. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort:

[0026] Figure 1 This is a schematic diagram of the core secondary pitch adjustment assembly structure according to a preferred embodiment of the present invention;

[0027] Figure 2 This is a schematic diagram of the first material carrier structure of the iron core secondary pitch adjustment assembly according to a preferred embodiment of the present invention;

[0028] Figure 3 This is a schematic diagram of the first material carrier structure from another perspective of the preferred embodiment of the iron core secondary pitch adjustment assembly of the present invention;

[0029] Figure 4 This is a schematic diagram of the core frame assembly machine structure according to a preferred embodiment of the present invention;

[0030] Figure 5 yes Figure 4 Enlarged view of point A in the middle;

[0031] Figure 6 This is a partially enlarged schematic diagram of the clamp mounting plate of the iron core skeleton assembly machine structure according to a preferred embodiment of the present invention;

[0032] Figure 7 This is a top view of the iron core frame assembly machine according to a preferred embodiment of the present invention;

[0033] Figure 8 yes Figure 7 Enlarged view of point B in the middle;

[0034] Figure 9 yes Figure 7 Enlarged view of point C in the middle;

[0035] Figure 10 This is a schematic diagram of the clamping component structure of the iron core skeleton assembly machine according to a preferred embodiment of the present invention;

[0036] Figure 11 This is a schematic diagram of the clamping component structure from another perspective of the iron core skeleton assembly machine of the preferred embodiment of the present invention. Detailed Implementation

[0037] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, a clear and complete description will be provided below in conjunction with the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the protection scope of the present invention.

[0038] The preferred embodiment of the iron core secondary pitch adjustment assembly of the present invention, such as... Figure 1 As shown, see also Figure 2 and Figure 3The system includes a long, narrow sliding table 90, on which a first slide rail 91 and a second slide rail 92 are arranged along their length. A first material carrier 93 is fixedly mounted on the sliding table 90, located between the first slide rail 91 and the second slide rail 92. A second material carrier 94 is slidably mounted on both the first slide rail 91 and the second slide rail 92, along with a drive unit for driving the second material carriers to slide. The first material carrier 93 and the second material carrier 94 have the same structure, and a first positioning seat 930 and a second positioning seat 931 are slidably mounted on the first material carrier 93, arranged side by side. The first material carrier 93 is provided with an adjustment unit 934 for adjusting the distance between the first positioning seat 930 and the fourth positioning seat 933. The first positioning seat 930 and the second positioning seat 931 are connected by a first connecting rod assembly 935 and the distance between them is adjustable. The third positioning seat 932 and the fourth positioning seat 933 are connected by a second connecting rod assembly 936 and the distance between them is adjustable. The second positioning seat 931 and the third positioning seat 932 are connected by a third connecting rod assembly 937 and the distance between them is adjustable.

[0039] The core units 15 of a row with the upper and lower frames installed are fed onto multiple positioning seats. Then, two drive units drive the corresponding second material carriers 94 to move to both sides to complete the first pitch adjustment. At the same time, the adjustment unit adjusts the first positioning seat 930 and the fourth positioning seat 933 in each group to move in opposite directions. The first connecting rod assembly 935, the second connecting rod assembly 936 and the third connecting rod assembly 937 are used to widen the distance between the multiple positioning seats to complete the second pitch adjustment. By applying the method of this application, the core units of a row with the upper and lower frames installed can be automatically grouped and the distance between the core units in each group can be adjusted, which facilitates the subsequent grouping and winding operation, reduces the labor intensity of workers and improves processing efficiency.

[0040] Preferably, the first material carrier 93 includes a material carrier plate 938, on which a sliding plate 9380 and a plurality of support plates 9381 are provided; the sliding plate 9380 is provided with a third slide rail 9382 that slidably connects the first positioning seat 930 and the third positioning seat 932, and a fourth slide rail 9383 that slidably connects the second positioning seat 931 and the fourth positioning seat 933; the adjusting unit 934 includes a drive cylinder 9340 disposed on the lower surface of the sliding plate 9380, and two drive arms 9341 of the drive cylinder 9340, the two drive arms being respectively connected to the first positioning seat 930 and the fourth positioning seat 932. 33 Fixed connection; a slot 9384 is provided on the sliding plate 9380 between the third and fourth slide rails for the drive arm 9341 to pass through; this structural design is reasonable and very compact. The four positioning seats are slidably connected in groups by two slide rails, which can reasonably solve the problem of the difficulty in setting the drive cylinder in the scenario where the distance between the first positioning seat 930, the second positioning seat 931, the third positioning seat 932 and the fourth positioning seat 933 is too small. Moreover, the sliding plate 9380 and multiple support plates 9381 can also effectively enclose the drive cylinder, providing protection and avoiding accidents.

[0041] Preferably, the first link assembly 935, the second link assembly 936, and the third link assembly 937 have the same structure. Taking the first link assembly 935 as an example, the following description is provided: The first link assembly 935 includes a connecting crossbar 9350. One end of the connecting crossbar 9350 is provided with a first connecting screw 9351 (fixedly connected to the first positioning seat 930), and the other end is provided with a second connecting screw 9352 (fixedly connected to the second positioning seat 931) and a movable groove 9353 that cooperates with the second connecting screw 9352. The movable groove 9353 leaves space for adjusting the distance. The structure is reasonable and simple, with low cost and good stability.

[0042] A type of iron core frame assembly machine, such as Figure 4 As shown, see also Figure 5-Figure 11The system includes a processing table 1, on which a secondary core adjustment assembly 9 as described above is installed; a pressing platform 2 is installed on the processing table 1, and a lifting and rotating indexing plate 3 (an existing indexing plate is sufficient and will not be described in detail) is installed on the pressing platform 2; a core positioning seat 20 and a lower frame positioning seat 21 are installed on the pressing platform 2, and a clamping assembly 4 is installed on the indexing plate 3; an upper frame pressing module 5, an upper frame receiving assembly 6, a lower frame pressing module 7, and a lower frame receiving assembly 8 are installed on the processing table 1; a first feeding unit 10 for supplying the upper frame to the upper frame receiving assembly 6 is installed on one side of the processing table 1, and a second feeding unit 11 for supplying the lower frame to the lower frame receiving assembly 8 is installed on the other side of the processing table 1; the upper frame pressing module 5 and the lower frame pressing module 7 have the same structure, and the upper frame pressing module... Group 5 includes a clamping unit 50 for batch clamping the upper skeleton from the upper skeleton receiving assembly 6, a pressing unit 51 for batch pressing the upper skeleton, and a lateral moving unit 52 for driving the clamping unit and the pressing unit to move laterally; the clamping assembly 4 includes a mounting frame, on which a first clamping plate 40, a second clamping plate 41 and an adjusting unit 42 are provided. The adjusting unit 42 is used to drive the first clamping plate 40 to move to change the distance between the second clamping plate 41. The first clamping plate 40 and the second clamping plate 41 are elastically connected by an elastic component 43; a plurality of first positioning elements 400 and a plurality of second positioning elements 410 are respectively provided on the opposite side surfaces of the first clamping plate 40 and the second clamping plate 41. The first positioning elements 400 and the second positioning elements 410 correspond one-to-one and form a contouring unit that matches the shape of the iron core unit.

[0043] The processing table 1 is equipped with a material transfer robot 12, a vision inspection and marking component 13, and a material discharge fixture 14. The material transfer robot 12 is used to transfer the iron core after assembling the upper and lower skeletons to the vision inspection and marking component 13, the iron core secondary spacing adjustment component 9, and the material discharge fixture 14 in sequence.

[0044] A column of iron core units is fed onto the clamping assembly 4. The adjusting unit 42 controls the opening and closing of the first clamping plate 40 and the second clamping plate 41 once. Each iron core unit is clamped by a first positioning element 400 and a second positioning element 410. The indexing plate 3 rotates, causing the clamping assembly 4 to move above the iron core positioning seat 20. The adjusting unit 42 controls the opening and closing of the first clamping plate 40 and the second clamping plate 41 once, releasing the clamping of the iron core units. The iron core units fall into the iron core positioning seat 20 for positioning. The clamping unit 50 of the upper frame pressing module 5 clamps the upper frame in batches from the upper frame receiving assembly 6. The lateral movement unit 52 (which can be a cylinder, lead screw, etc.) drives the clamping unit 50 to move above the clamping assembly 4. The indexing plate 3... The clamping assembly 4 moves upward, and the adjusting unit 42 controls the opening and closing of the first clamping plate 40 and the second clamping plate 41 once, clamping the upper skeleton. The clamping unit 50 releases the clamping of the upper skeleton, and the indexing plate 3 moves downward, driving the clamping assembly 4 downward. The second clamping plate 41 elastically clamps the upper skeleton under the action of the elastic component 43 (relying on this special elastic clamping structure, it can be well ensured that the subsequent pressing can be completed in the state of the upper skeleton being clamped). The pressing unit 51 of the upper skeleton pressing module 5 moves downward and, under the guidance of the contouring unit, presses the upper skeleton and the iron core unit together, and after pressing, the first assembly is obtained. The clamping unit of the lower skeleton pressing module 7 clamps the lower skeleton in batches from the lower skeleton receiving assembly, and the transverse unit (belonging to The lower frame pressing module 7 moves the clamping unit above the lower frame positioning seat. The clamping unit (belonging to the lower frame pressing module 7) releases its grip on the lower frame, and the lower frame falls into the lower frame positioning seat 21 for positioning. The clamping assembly 4 clamps the first assembly. The indexing plate 3 moves the clamping assembly 4 upward, and the first assembly disengages from the iron core positioning seat 20. The indexing plate 3 moves the clamping assembly 4 to rotate above the lower frame positioning seat 21. The indexing plate 3 moves the clamping assembly 4 downward, and the second clamping plate 41 elastically clamps the first assembly under the action of the elastic component 43 (this special elastic clamping structure ensures that subsequent pressing can be completed while the first assembly is clamped). The pressing unit of the lower frame pressing module 7... The first assembly is pressed together with the lower frame to obtain the second assembly. The indexing plate 3 drives the clamping component 4 to move upward, and the indexing plate 3 drives the clamping component 4 to rotate to the discharge position. The transfer robot 12 transfers the second assembly after assembling the upper and lower frames to the vision inspection and coding component 13 for vision inspection and coding of qualified products. The transfer robot 12 transfers the coded second assembly to the iron core secondary spacing adjustment component 9 for grouping and spacing adjustment. The transfer robot 12 transfers the second assembly on the secondary spacing adjustment component to the discharge fixture 14. By applying the method of this application, the loading and pressing operations of the upper and lower frames, as well as the subsequent inspection, coding and grouping spacing adjustment operations can be completed in batches, which can greatly improve the processing efficiency.

[0045] Preferably, the mounting frame includes a base plate 44, on which a fixing plate 440 is disposed. Multiple first guide posts 441 are transversely inserted through the fixing plate 440. One end of each first guide post 441 is connected to a first clamping plate 40, and the other end is connected to the drive end of an adjusting unit 42. First guide sleeves 442 are movably fitted onto the first guide posts 441. The mounting frame also includes a movable plate 443 fixedly connected to each of the multiple first guide sleeves 442. Multiple second guide posts 444 are fixedly mounted on the movable plate 443. Second guide sleeves 445 that cooperate with the second guide posts 444 are inserted through the fixing plate 440. The end of each second guide post 444 away from the movable plate 443 is connected to the second clamping plate 440. 1. Fixed connection; elastic component 43 elastically connects the second clamping plate 41 and the fixed plate 440; a bracket 446 is fixed on the base plate 44, a cylinder mounting plate 447 is provided on the bracket 446, a cylinder (i.e., the adjusting unit 42) is provided on the cylinder mounting plate 447, and a connecting plate 448 passing through the cylinder mounting plate is provided on the movable end of the cylinder, and the connecting plate 448 connects to a plurality of first guide posts 441; a limiting bolt 4430 is provided on the movable plate 443 to limit the distance between it and the fixed plate 440; the elastic component 43 includes two springs located at both ends of the second clamping plate 41, one end of the spring is connected to the second clamping plate 41, and the other end is connected to the fixed plate 440;

[0046] With this structural design, using the base plate 44 and the fixed plate 440 as the base, during operation, the cylinder drives multiple first guide posts 441 to move through the connecting plate 448, and drives the first clamping plate 40 to move under the guidance of the first guide sleeve 442, adjusting the distance between the first clamping plate 40 and the second clamping plate 42. The second clamping plate 41 and the fixed plate 440 are kept relatively slidable by the cooperation of the second guide posts 444 and the second guide sleeve 445, and can move elastically by two springs. At the same time, the movable plate 443 is not only used to connect multiple second guide posts 444 to improve stability, but also has multiple first guide sleeves 442, which can effectively improve the stability of the movement of the first clamping plate 40 and the parallelism between the first clamping plate 40 and the second clamping plate 41. Utilizing the above-mentioned interaction and cooperation relationship, a reliable guarantee is provided for the clamping and elastic movement of the first positioning member 400 and the second positioning member 410.

[0047] Preferably, the first positioning member 400 includes a first base 4000 fixedly connected to the first clamping plate 40, a first protrusion 4001 is provided on the side of the first base 4000 facing the second clamping plate 41, and a first guide groove 4002 is formed on both sides of the first protrusion 4001; the second positioning member 410 includes a second base 4100 fixedly connected to the second clamping plate 41, a second protrusion 4101 is provided on the side of the second base 4100 facing the first clamping plate 40, and a second guide groove 4102 is formed on both sides of the second protrusion 4101; the first protrusion 4001, the second protrusion 4101 and the two second guide grooves 4102 combine to form a contour unit that matches the shape of the iron core unit; the structure is simple and the design is reasonable, which can provide a good guiding effect for the installation of the upper frame.

[0048] Preferably, the upper skeleton receiving assembly 6 and the lower skeleton receiving assembly 7 have the same structure; the upper skeleton receiving assembly 6 is used as an example and is described as follows: the upper skeleton receiving assembly 6 includes a receiving conveyor belt 60 and a limiting plate assembly 61 located on the periphery of the receiving conveyor belt. The limiting plate assembly 61 has a long strip-shaped limiting groove that is consistent with the length direction of the receiving conveyor belt. The upper skeleton supplied by the first feeding unit 10 will enter the receiving conveyor belt 60 after being discharged from the discharge port, and will be driven by the receiving conveyor belt 60 to move along the limiting groove. When a sufficient number of upper skeletons are arranged in the limiting groove, they can be removed by the corresponding clamping unit.

[0049] Preferably, the clamping unit 50 includes a clamping mounting plate 500, on which multiple clamping cylinders 501 are arranged side by side, and a clamping rod 502 is provided on the clamping mounting plate 500. The movable end of the clamping cylinder 501 is provided with a clamping arm 503, and the clamping rod 502 cooperates with the multiple clamping arms 503 to complete the clamping action; the pressing unit 51 includes a pressing frame 510, on which a press 511 is provided, and the movable end of the press 511 is fixedly connected to the clamping mounting plate 500; the clamping arm 503 is L-shaped and its lower surface is flush with the lower surface of the clamping rod 502. The lower surface of the clamping arm 503 and the lower surface of the clamping rod 502 combine to form the pressing plane of the pressing unit 51;

[0050] The transverse unit 52 and the pressing unit 51 can drive the chuck mounting plate 500 to complete the transverse and lifting material picking actions. At the same time, by utilizing this special clamping arm structure, the clamping rod 502 can make the clamped material be arranged as a whole. Moreover, the lower surface of the clamping arm 503 and the lower surface of the clamping rod 502 also combine to form the pressing plane of the pressing unit 51, and the clamping component also participates in the pressing operation. This can greatly enrich the functions while simplifying the structure and reducing costs.

[0051] A method for assembling a core frame, using the core frame assembly machine described above, wherein the method includes the following steps:

[0052] A column of iron core units is fed onto the clamping assembly. The distance adjustment unit controls the opening and closing of the first and second clamping plates once. Each iron core unit is clamped by a first positioning member and a second positioning member.

[0053] The indexing plate rotates, causing the clamping assembly to move above the iron core positioning seat. The adjustment unit controls the first and second clamping plates to open and close once, releasing the clamping of the iron core unit. The iron core unit falls into the iron core positioning seat for positioning.

[0054] The clamping unit of the upper skeleton pressing module clamps the upper skeleton in batches from the upper skeleton receiving component. The transverse unit drives the clamping unit to move above the clamping component. The indexing plate moves upward, driving the clamping component to move upward. The distance adjustment unit controls the opening and closing of the first clamping plate and the second clamping plate once. The clamping component clamps the upper skeleton.

[0055] The clamping unit releases its grip on the upper skeleton, the indexing plate moves downward, driving the clamping assembly downward. The second clamping plate elastically clamps the upper skeleton under the action of the elastic assembly. The pressing unit of the upper skeleton pressing module moves downward and, guided by the contouring unit, presses the upper skeleton and the iron core unit together, resulting in the first assembly.

[0056] The clamping unit of the lower skeleton pressing module clamps the lower skeleton in batches from the lower skeleton receiving assembly. The lateral movement unit drives the clamping unit to move above the lower skeleton positioning seat. The clamping unit releases the clamping unit from the lower skeleton, and the lower skeleton falls into the lower skeleton positioning seat for positioning.

[0057] The clamping assembly clamps the first assembly, the indexing plate drives the clamping assembly to move upward, the first assembly disengages from the iron core positioning seat, and the indexing plate drives the clamping assembly to rotate above the lower frame positioning seat;

[0058] The indexing plate drives the clamping assembly to move downwards. The second clamping plate elastically clamps the first assembly under the action of the elastic component. The pressing unit of the lower frame pressing module presses the first assembly and the lower frame together to obtain the second assembly.

[0059] The indexing plate drives the clamping assembly to move upward, and the indexing plate drives the clamping assembly to rotate to the discharge position. The transfer robot moves the second assembly after assembling the upper and lower skeletons to the vision inspection and coding assembly for vision inspection and coding of qualified products. The transfer robot moves the coded second assembly to the iron core secondary spacing adjustment assembly for grouping and spacing adjustment. The transfer robot moves the second assembly on the secondary spacing adjustment assembly to the discharge fixture.

[0060] By applying the method of this application, the feeding and pressing operations of the upper and lower skeletons can be completed in batches, as well as subsequent inspection, coding and grouping and spacing operations, which can greatly improve processing efficiency.

[0061] It should be understood that those skilled in the art can make improvements or modifications based on the above description, and all such improvements and modifications should fall within the protection scope of the appended claims.

Claims

1. A secondary pitch adjustment assembly for an iron core, characterized in that, The system includes a long, narrow sliding table with a first slide rail and a second slide rail arranged along its length. A first material carrier is fixedly mounted on the sliding table, located between the first and second slide rails. Second material carriers and driving units for sliding the second material carriers are slidably mounted on both the first and second slide rails. The first and second material carriers have the same structure. A first positioning seat, a second positioning seat, a third positioning seat, and a fourth positioning seat are slidably mounted on the first material carrier, arranged in a sequentially parallel manner. An adjustment unit for adjusting the distance between the first and fourth positioning seats is provided on the first material carrier. The first and second positioning seats are connected by a first linkage assembly, and their distance is adjustable. The third positioning seat and... The fourth positioning seat is connected via a second linkage assembly and the spacing is adjustable. The second and third positioning seats are connected via a third linkage assembly and the spacing is adjustable. The first material carrier includes a material carrier plate, on which a sliding plate and multiple support plates are provided to support the sliding plate. The sliding plate is provided with a third slide rail that slidably connects the first and third positioning seats, and a fourth slide rail that slidably connects the second and fourth positioning seats. The adjustment unit includes a drive cylinder disposed on the lower surface of the sliding plate. The drive cylinder includes two drive arms, and the two drive arms are respectively fixedly connected to the first and fourth positioning seats. The sliding plate is provided with a slot between the third and fourth slide rails for the drive arms to pass through.

2. The core secondary pitch adjustment assembly according to claim 1, characterized in that, The first link assembly, the second link assembly, and the third link assembly have the same structure; the first link assembly includes a connecting crossbar, one end of which is provided with a first connecting screw, and the other end is provided with a second connecting screw and a movable groove that mates with the second connecting screw.

3. A core frame assembly machine, characterized in that, The system includes a processing table, on which a core secondary spacing adjustment assembly as described in any one of claims 1-2 is provided; a pressing platform is provided on the processing table, and a height-adjustable and rotatable indexing plate is provided on the pressing platform; a core positioning seat and a lower frame positioning seat are provided on the pressing platform, and a clamping assembly is provided on the indexing plate; an upper frame pressing module, an upper frame receiving assembly, a lower frame pressing module, and a lower frame receiving assembly are provided on the processing table, a first feeding unit for supplying the upper frame to the upper frame receiving assembly is provided on one side of the processing table, and a second feeding unit for supplying the lower frame to the lower frame receiving assembly is provided on the other side of the processing table; the upper frame pressing module and the lower frame pressing module have the same structure, and the upper frame... The press-fit module includes a clamping unit for batch clamping the upper skeleton from the upper skeleton receiving assembly, a pressing unit for batch pressing the upper skeleton, and a traversing unit for driving the clamping unit and the pressing unit to move laterally. The clamping assembly includes a mounting frame, on which a first clamping plate, a second clamping plate, and an adjusting unit are provided. The adjusting unit is used to drive the first clamping plate to move to change the distance between it and the second clamping plate. The first clamping plate and the second clamping plate are elastically connected by an elastic component. A plurality of first positioning elements and a plurality of second positioning elements are respectively provided on the opposite side surfaces of the first clamping plate and the second clamping plate. The first positioning elements and the second positioning elements correspond one-to-one and form a contouring unit that matches the shape of the iron core unit. The processing table is equipped with a material transfer robot, a vision inspection and marking component, and a material discharge fixture; the material transfer robot is used to sequentially transfer the iron core after the upper and lower frames are assembled to the vision inspection and marking component, the iron core secondary spacing adjustment component, and the material discharge fixture.

4. The iron core frame assembly machine according to claim 3, characterized in that, The mounting frame includes a base plate, on which a fixing plate is provided. Multiple first guide posts are transversely inserted through the fixing plate. One end of each first guide post is connected to a first clamping plate, and the other end is connected to the drive end of the adjusting unit. First guide sleeves are movably fitted onto the first guide posts. The mounting frame also includes a movable plate fixedly connected to each of the multiple first guide sleeves. Multiple second guide posts are fixedly mounted on the movable plate. Second guide sleeves that cooperate with the second guide posts are inserted through the fixing plate. The end of each second guide post away from the movable plate is fixedly connected to the second clamping plate. An elastic component elastically connects the second clamping plate and the fixing plate.

5. The iron core frame assembly machine according to claim 4, characterized in that, A bracket is fixed on the base plate, a cylinder mounting plate is provided on the bracket, a cylinder is provided on the cylinder mounting plate, and a connecting plate passing through the cylinder mounting plate is provided on the movable end of the cylinder. The connecting plate connects to a plurality of first guide posts. A limiting bolt is provided on the movable plate to limit the distance between it and the fixed plate. The elastic component includes two springs located at both ends of the second clamping plate, one end of the spring is connected to the second clamping plate, and the other end is connected to the fixed plate.

6. The iron core frame assembly machine according to claim 5, characterized in that, The first positioning element includes a first base fixedly connected to the first clamping plate, and a first protrusion is provided on the side of the first base facing the second clamping plate. Both sides of the first protrusion are formed with first guide grooves. The second positioning element includes a second base fixedly connected to the second clamping plate, and a second protrusion is provided on the side of the second base facing the first clamping plate. Both sides of the second protrusion are formed with second guide grooves. The first protrusion, the second protrusion, and the two second guide grooves are combined to form a contour unit that matches the shape of the iron core unit.

7. The iron core frame assembly machine according to claim 3, characterized in that, The upper skeleton receiving assembly has the same structure as the lower skeleton receiving assembly; the upper skeleton receiving assembly includes a receiving conveyor belt and a limiting plate assembly located on the periphery of the receiving conveyor belt, and the limiting plate assembly has a long strip-shaped limiting groove that is consistent with the length direction of the receiving conveyor belt.

8. The iron core frame assembly machine according to claim 3, characterized in that, The clamping unit includes a clamping head mounting plate, on which multiple clamping cylinders are arranged side by side. A clamping rod is provided on the clamping head mounting plate, and a clamping arm is provided on the movable end of each clamping cylinder. The clamping rod and the multiple clamping arms cooperate to complete the clamping action. The pressing unit includes a pressing frame, on which a press is provided. The movable end of the press is fixedly connected to the clamping head mounting plate. The clamping arm is L-shaped and its lower surface is flush with the lower surface of the clamping rod. The lower surface of the clamping arm and the lower surface of the clamping rod combine to form the pressing plane of the pressing unit.

9. A method for assembling a core frame, using a core frame assembly machine as described in any one of claims 3-8, characterized in that, The method includes the following steps: A column of iron core units is fed onto the clamping assembly. The distance adjustment unit controls the opening and closing of the first and second clamping plates once. Each iron core unit is clamped by a first positioning member and a second positioning member. The indexing plate rotates, causing the clamping assembly to move above the iron core positioning seat. The adjustment unit controls the first and second clamping plates to open and close once, releasing the clamping of the iron core unit. The iron core unit falls into the iron core positioning seat for positioning. The clamping unit of the upper skeleton pressing module clamps the upper skeleton in batches from the upper skeleton receiving component. The transverse unit drives the clamping unit to move above the clamping component. The indexing plate moves upward, driving the clamping component to move upward. The distance adjustment unit controls the opening and closing of the first clamping plate and the second clamping plate once. The clamping component clamps the upper skeleton. The clamping unit releases its grip on the upper skeleton, the indexing plate moves downward, driving the clamping assembly downward. The second clamping plate elastically clamps the upper skeleton under the action of the elastic assembly. The pressing unit of the upper skeleton pressing module moves downward and, guided by the contouring unit, presses the upper skeleton and the iron core unit together, resulting in the first assembly. The clamping unit of the lower skeleton pressing module clamps the lower skeleton in batches from the lower skeleton receiving assembly. The lateral movement unit drives the clamping unit to move above the lower skeleton positioning seat. The clamping unit releases the clamping unit from the lower skeleton, and the lower skeleton falls into the lower skeleton positioning seat for positioning. The clamping assembly clamps the first assembly, the indexing plate drives the clamping assembly to move upward, the first assembly disengages from the iron core positioning seat, and the indexing plate drives the clamping assembly to rotate above the lower frame positioning seat; The indexing plate drives the clamping assembly to move downwards. The second clamping plate elastically clamps the first assembly under the action of the elastic component. The pressing unit of the lower frame pressing module presses the first assembly and the lower frame together to obtain the second assembly. The indexing plate drives the clamping assembly to move upward, and the indexing plate drives the clamping assembly to rotate to the discharge position. The transfer robot moves the second assembly after assembling the upper and lower skeletons to the vision inspection and coding assembly for vision inspection and coding of qualified products. The transfer robot moves the coded second assembly to the iron core secondary spacing adjustment assembly for grouping and spacing adjustment. The transfer robot moves the second assembly on the secondary spacing adjustment assembly to the discharge fixture.

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