Flat wire cutting device

By designing a flat wire tangent device for the manufacture of new energy vehicle drive motors, the problems of low efficiency and difficult to guarantee the pass rate of traditional manual manufacturing methods are solved, and efficient and accurate flat wire tangents are achieved, and manufacturing quality and production efficiency are improved.

CN120133407APending Publication Date: 2025-06-13TZTEK TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202510429953.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2025-06-13

AI Technical Summary

Technical Problem

The traditional manual wire-feeding and tangent manufacturing methods have problems such as low production efficiency, difficult to guarantee the stator pass rate, and easy scratching of flat wires, which affects the manufacturing quality and reliability of new energy vehicle drive motors.

Method used

A flat wire tangent device is designed, including a tangent mechanism, a feed pipe, a feed box, a controller and a total frame. It adopts automatic tangent, intelligent guidance and fixed-length technology to ensure that the flat wire is not easily scratched and improves production efficiency and pass rate.

Benefits of technology

It realizes efficient and precise lines in the manufacturing process of flat wire motors, improves production efficiency and stator pass rate, reduces manufacturing costs, and enhances the performance and reliability of the motor.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides a flat wire cutting device, and belongs to the field of automobile intelligent manufacturing, and the flat wire cutting device comprises a wire cutting mechanism, a material receiving pipe, a material receiving box, a controller, a main rack and a wire feeding calibration mechanism arranged at the upstream of the wire cutting mechanism; the wire cutting mechanism comprises a wire cutting driver, a wire cutting gearbox, a sliding plate assembly, an upper cutter assembly, a lower cutter assembly, a wire guiding assembly and a material breaking sensor. The wire feeding calibration mechanism comprises a calibration frame, a lower coding seat, a coding wheel driving assembly, a lower coding wheel, an upper coding wheel, an upper coding seat and a pressing driving assembly; the coding wheel driving assembly drives rotary feeding; the upper coding wheel is installed on the upper coding base and drives the upper coding base to move up and down through the pressing-down driving assembly. Automatic wire cutting, intelligent guiding and length fixing are adopted, the flat wire is not prone to being scratched, the production efficiency and the percent of pass are high, and application and popularization in the field of flat wire motors related to automobile intelligent manufacturing are facilitated.
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Description

Technical Field

[0001] The present invention belongs to the field of intelligent manufacturing of automobiles, and particularly relates to a flat wire cutting device. Background Art

[0002] The new energy vehicle industry is booming at an unprecedented speed. As one of the core components of new energy vehicles, the performance of the drive motor directly affects the power performance, economy and cruising range of the whole vehicle. In recent years, flat wire motors have gradually become the first choice for new energy vehicle drive motors due to their high power density, high efficiency, low noise and good heat dissipation performance. However, in the manufacturing process of flat wire motors, the wiring of the stator, pin, I-pin, Hair-pin, X-pin, which are collectively referred to as stator wires in this application, how to produce and manufacture them efficiently and without damage is a technical problem. The traditional manufacturing methods of manual wire feeding and cutting have problems such as low production efficiency, difficult to guarantee the qualified rate of the stator, and easy scratching of the flat wire, which not only increases the manufacturing cost, but also affects the performance and reliability of the motor. Therefore, developing an efficient and precise intelligent stator wire cutting device is of great significance for improving the manufacturing quality and production efficiency of flat wire motors. Summary of the Invention

[0003] In order to overcome the deficiencies of the prior art, the purpose of the present invention is to provide a flat wire cutting device, which can solve the above problems.

[0004] A flat wire cutting device includes a cutting mechanism, a receiving pipe, a receiving box, a controller and a general frame; the cutting mechanism is arranged on the top plate of the general frame, the top end of the receiving pipe is arranged at the receiving port on the top plate of the general frame, the lower end of the receiving pipe is arranged opposite to the receiving box on the bottom plate of the lower general frame, and the controller controls the cutting action of the cutting mechanism.

[0005] Further, the cutting mechanism includes a cutting driver, a cutting gearbox, a slide plate assembly, an upper cutting tool assembly, a lower cutting tool assembly, a wire guiding assembly and a blanking sensor; the upper cutting tool assembly and the lower cutting tool assembly are respectively installed on the output side of the cutting gearbox through corresponding slide plate assemblies, the cutting driver drives the upper cutting tool assembly to reciprocate downward relative to the lower cutting tool assembly through the cutting gearbox, the wire guiding assembly horizontally penetrates through the middle of the cutting gearbox, and the blanking sensor is arranged at the upper cutting tool assembly to monitor the cutting state.

[0006] Further, the cutting gearbox includes a box body, a box cover, a gear set and a driving cam, and the driving cam is connected to the slide plate assembly corresponding to the upper cutting tool assembly to push the upper cutting tool assembly to move up and down.

[0007] Further, the slide plate assembly includes a slide rail and slider module and a slide plate seat, and a slide plate hole is opened on the slide plate seat, and the slide plate hole of the slide plate seat corresponding to the upper cutting tool assembly is used to accommodate the driving cam.

[0008] Further, the upper cutting tool assembly includes an upper cutting tool mounting seat and an upper cutting tool, the lower cutting tool assembly includes a lower cutting tool mounting seat and a lower cutting block, and the upper cutting tool and the lower cutting block are in concave-convex matching during the downward pressing process.

[0009] Further, the wire guide assembly includes a wire groove, a wire groove cover, and an end wire groove mounting member. The wire groove cover is buckled above the wire groove, and the end wire groove mounting member is inserted and limited at one end of the wire groove and the wire groove cover.

[0010] Further, the wire cutting mechanism further includes a wire pushing and resetting assembly. The wire pushing and resetting assembly is arranged between the upper cutting tool mounting seat and the lower cutting block and includes a wire pushing block, a guiding shaft, and a reset spring. A wire cutting groove identical to that of the lower cutting block is formed in the middle of the wire pushing block.

[0011] Further, the wire cutting mechanism further includes a blanking upper pipe. A blanking hole is formed in the lower cutting tool mounting seat, and the upper end of the blanking upper pipe is connected to the blanking hole.

[0012] Further, the flat wire cutting device further includes a wire feeding and calibration mechanism arranged upstream of the wire cutting mechanism. The wire feeding and calibration mechanism includes a calibration frame, a lower coding seat, a coding wheel driving assembly, a lower coding wheel, an upper coding wheel, an upper coding seat, and a downward pressing driving assembly. The lower coding seat is mounted on the calibration frame. The lower coding wheel is mounted on the lower coding seat and is driven to rotate and feed by the coding wheel driving assembly. The upper coding wheel is mounted on the upper coding seat, and the upper coding seat is driven to move up and down by the downward pressing driving assembly.

[0013] Further, the wire feeding and calibration mechanism further includes an alignment guiding seat and a feeding inductor. An opening guiding block is arranged at the top of the alignment guiding seat.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: This application adopts automatic wire cutting, intelligent guiding and constant length. The flat wire is not easily scratched, and the production efficiency and qualification rate are high, which is convenient for popularization and application in the field of flat wire motors involved in automotive intelligent manufacturing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic diagram of the whole machine of the flat wire cutting device of the present invention; Figure 2 is a schematic diagram of the wire cutting mechanism; Figure 3 is Figure 2 a partial exploded schematic diagram of; Figure 4 is Figure 2 a partial structural schematic diagram of; Figure 5 is a schematic diagram of the state when the upper cutting tool and the lower cutting block cut the wire; Figure 6 is a schematic diagram of the wire feeding and calibration mechanism.

[0016] In the figure, 100, tangent mechanism; 110, tangent driver; 120, tangent gearbox; 121, housing; 122, cover; 123, gear set; 124, driving cam; 125, oiler; 126, driving frame; 130, slide plate assembly; 131, slide rail and slider module; 132, upper slide plate seat; 133, lower slide plate seat; 140, upper cutter assembly; 141, upper cutter mounting seat; 142, upper cutter; 150, lower cutter assembly; 151, lower cutter mounting seat; 152, lower cutting block; 160, wire assembly; 161, wire groove; 162, wire groove cover; 163, end wire groove mounting piece; 170, wire pushing and resetting assembly; 171, wire pushing block; 172, guide shaft; 173, reset spring; 180, blanking inductor; 190, blanking upper tube; 191, blanking limit hole plate; 200, receiving pipe; 300, receiving box; 400, controller; 500, general machine frame; 600, wire feeding and calibration mechanism; 610, calibration frame; 620, lower coding seat; 630, coding wheel driving assembly; 640, lower coding wheel; 650, upper coding wheel; 660, upper coding seat; 670, lower pressing driving assembly; 671, lower pressing cylinder; 672, lower pressing mounting flat plate; 673, lower pressing mounting vertical plate; 674, sliding module; 680, alignment guiding seat; 681, open guiding block; 690, feeding inductor. Specific embodiments

[0017] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some but not all of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of protection of the present invention.

[0018] A flat wire tangent device, see Figures 1-6 , the flat wire tangent device includes a tangent mechanism 100, a receiving pipe 200, a receiving box 300, a controller 400, a general machine frame 500 and a wire feeding and calibration mechanism 600.

[0019] The tangent mechanism 100 is provided on the top plate of the general frame 500. The top end of the material receiving pipe 200 is provided at the material receiving port on the top plate of the general frame 500. The lower end of the material receiving pipe 200 is disposed opposite to the material receiving box 300 on the bottom plate of the lower general frame 500. The controller 400 controls the tangent action of the tangent mechanism 100. The wire feeding and calibration mechanism 600 is provided upstream of the tangent mechanism 100.

[0020] Among them, the tangent mechanism 100 includes a tangent driver 110, a tangent gearbox 120, a slide plate assembly 130, an upper cutter assembly 140, a lower cutter assembly 150, a wire guiding assembly 160, and a material cutting sensor 180.

[0021] The upper cutter assembly 140 and the lower cutter assembly 150 are respectively mounted to the output side of the tangent gearbox 120 through corresponding slide plate assemblies 130. The tangent driver 110 drives the upper cutter assembly 140 to reciprocate downward relative to the lower cutter assembly 150 through the tangent gearbox 120. The wire guiding assembly 160 horizontally penetrates through the middle of the tangent gearbox 120. The material cutting sensor 180 is disposed at the upper cutter assembly 140 to monitor the material cutting state.

[0022] Among them, the tangent gearbox 120 includes a box body 121, a box cover 122, a gear set 123, and a driving cam 124. The driving cam 124 is connected to the slide plate assembly 130 corresponding to the upper cutter assembly 140, so as to push the upper cutter assembly 140 to move up and down.

[0023] Further, the tangent gearbox 120 further includes an oil injector 125 and a driving frame 126. The bottom of the box body 121 is mounted on the top surface of the driving frame 126. The oil injector 125 is mounted on the upper part of the box body 121 to provide lubricating oil for the gear set 123.

[0024] Among them, the slide plate assembly 130 includes a slide rail and slider module 131 and a slide plate seat. A slide plate hole is formed in the slide plate seat. The slide plate hole of the slide plate seat corresponding to the upper cutter assembly 140 is used to accommodate the driving cam 124.

[0025] The slide plate seat corresponding to the upper cutter assembly 140 is the upper slide plate seat 132. Its front is connected to the upper cutter assembly 140, and its rear is mounted to the upper slider of the slide rail and slider module 131.

[0026] The slide plate seat corresponding to the lower cutter assembly 150 is the lower slide plate seat 133. Its front is connected to the lower cutter assembly 150, and its rear is mounted to the lower slider of the slide rail and slider module 131.

[0027] Further, the slide plate hole of the lower slide plate seat 133 is used to support the lowest gear shaft of the gear set 123.

[0028] Among them, the upper cutting tool assembly 140 includes an upper cutting tool mounting base 141 and an upper cutting tool 142, the lower cutting tool assembly 150 includes a lower cutting tool mounting base 151 and a lower cutting block 152, and the upper cutting tool 142 and the lower cutting block 152 are in concave-convex matching during the downward pressing process.

[0029] Among them, the wire assembly 160 includes a wire groove 161, a wire groove cover 162, and an end wire groove mounting member 163. The wire groove cover 162 is buckled above the wire groove 161, and the end wire groove mounting member 163 is inserted and limited at one end of the wire groove 161 and the wire groove cover 162.

[0030] Furthermore, the tangent mechanism 100 further includes a wire pushing and resetting assembly 170. The wire pushing and resetting assembly 170 is arranged between the upper cutting tool mounting base 141 and the lower cutting block 152 and includes a wire pushing block 171, a guiding shaft 172, and a reset spring 173. A tangent groove identical to that of the lower cutting block 152 is formed in the middle of the wire pushing block 171.

[0031] Furthermore, the tangent mechanism 100 further includes a blanking upper pipe 190. A blanking hole is formed in the lower cutting tool mounting base 151, and the upper end of the blanking upper pipe 190 is connected to the blanking hole.

[0032] Furthermore, a blanking limit hole plate 191 is arranged below the blanking upper pipe 190.

[0033] See Figure 6 , the wire feeding and calibration mechanism 600 includes a calibration frame 610, a lower coding seat 620, a coding wheel driving assembly 630, a lower coding wheel 640, an upper coding wheel 650, an upper coding seat 660, and a downward pressing driving assembly 670.

[0034] The lower coding seat 620 is mounted on the calibration frame 610; the lower coding wheel 640 is mounted on the lower coding seat 620 and is driven to rotate and feed by the coding wheel driving assembly 630; the upper coding wheel 650 is mounted on the upper coding seat 660, and the upper coding seat 660 is driven to move up and down by the downward pressing driving assembly 670.

[0035] Furthermore, the wire feeding and calibration mechanism 600 further includes an alignment guiding seat 680 and a feeding inductor 690; an opening guiding block 681 is arranged at the top of the alignment guiding seat 680.

[0036] The downward pressing drive assembly 670 includes a downward pressing cylinder 671, a downward pressing mounting plate 672, a downward pressing mounting vertical plate 673, and a sliding module 674; the downward pressing mounting vertical plate 673 is arranged vertically on the calibration frame 610 across the encoding wheel drive assembly 630; the cylinder body of the downward pressing cylinder 671 is installed to the top of the downward pressing mounting vertical plate 673 through the downward pressing mounting plate 672, and the piston rod end of the downward pressing cylinder 671 is connected to the top of the upper encoding seat 660; the side wall of the upper encoding seat 660 is transferred to the downward pressing mounting vertical plate 673 through the sliding module 674, and moves up and down under the drive of the downward pressing cylinder 671, so as to realize the downward fixing or upward release of the copper flat wire.

[0037] The distance traveled by the flat wire is calculated by the encoder wheel, the presence of incoming material is sensed by the feeding sensor 690, and the material movement is controlled by the downward pressure cylinder 671.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A flat wire cutting device, characterized in that: The flat wire cutting device comprises a cutting mechanism (100), a material receiving pipe (200), a material receiving box (300), a controller (400) and a main frame (500); the cutting mechanism (100) is arranged on the top plate of the main frame (500); the top end of the material receiving pipe (200) is arranged at the material receiving opening on the top plate of the main frame (500); the lower end of the material receiving pipe (200) is arranged facing the material receiving box (300) on the bottom plate of the main frame (500); and the controller (400) controls the cutting action of the cutting mechanism (100).

2. The flat wire cutting device according to claim 1, characterized in that: The tangent mechanism (100) comprises a tangent drive (110), a tangent gear box (120), a slide assembly (130), an upper cutter assembly (140), a lower cutter assembly (150), a wire assembly (160) and a material break sensor (180); the upper cutter assembly (140) and the lower cutter assembly (150) are respectively mounted on the output side of the tangent gear box (120) via corresponding slide assemblies (130); the tangent drive (110) drives the upper cutter assembly (140) to reciprocate toward the lower cutter assembly (150) via the tangent gear box (120); the wire assembly (160) horizontally penetrates the middle of the tangent gear box (120); and the material break sensor (180) is arranged at the upper cutter assembly (140) to monitor the material cutting state.

3. The flat wire cutting device according to claim 3, characterized in that: The thread cutting gear box (120) comprises a box body (121), a box cover (122), a gear set (123) and a driving cam (124); the driving cam (124) is connected to a slide plate assembly (130) corresponding to the upper cutter assembly (140), thereby driving the upper cutter assembly (140) to move up and down.

4. The flat wire cutting device according to claim 2, characterized in that: The slide plate assembly (130) comprises a slide rail and slide block module (131) and a slide plate seat, and a slide plate hole is provided on the slide plate seat, and the slide plate hole of the slide plate seat corresponding to the upper cutter assembly (140) is used to accommodate the driving cam (124).

5. The flat wire cutting device according to claim 2, characterized in that: The upper cutter assembly (140) comprises an upper cutter mounting seat (141) and an upper cutter (142), and the lower cutter assembly (150) comprises a lower cutter mounting seat (151) and a lower cutting block (152). The upper cutter (142) and the lower cutting block (152) are plugged into each other in a concave-convex matching manner during the pressing process.

6. The flat wire cutting device according to claim 2, characterized in that: The wire assembly (160) comprises a wire trough (161), a wire trough cover (162) and an end wire trough mounting piece (163); the wire trough cover (162) is buckled on the top of the wire trough (161), and the end wire trough mounting piece (163) is inserted and limited at one end of the wire trough (161) and the wire trough cover (162).

7. The flat wire cutting device according to claim 5, characterized in that: The thread cutting mechanism (100) further comprises a thread pushing and resetting assembly (170), which is arranged between the upper cutter mounting seat (141) and the lower cutting block (152), and comprises a thread pushing block (171), a guide shaft (172) and a resetting spring (173); a thread pushing groove identical to that of the lower cutting block (152) is provided in the middle of the thread pushing block (171).

8. The flat wire cutting device according to claim 5, characterized in that: The wire cutting mechanism (100) further comprises a blanking upper tube (190), a blanking hole is provided on the lower cutter mounting seat (151), and the upper end of the blanking upper tube (190) is connected to the blanking hole.

9. The flat wire cutting device according to claim 1, characterized in that: The flat wire cutting device further comprises a wire feeding calibration mechanism (600) arranged upstream of the wire cutting mechanism (100), the wire feeding calibration mechanism (600) comprising a calibration frame (610), a lower encoding seat (620), an encoding wheel driving assembly (630), a lower encoding wheel (640), an upper encoding wheel (650), an upper encoding seat (660) and a downward pressure driving assembly (670); the lower encoding seat (620) is mounted on the calibration frame (610); the lower encoding wheel (640) is mounted on the lower encoding seat (620) and driven to rotate and feed by the encoding wheel driving assembly (630); the upper encoding wheel (650) is mounted on the upper encoding seat (660) and driven to move up and down by the downward pressure driving assembly (670).

10. The flat wire cutting device according to claim 9, characterized in that: The wire feeding calibration mechanism (600) further comprises an alignment guide seat (680) and a feeding sensor (690); an opening guide block (681) is arranged at the top of the alignment guide seat (680).