CN-122016541-A - Online testing device for scratch resistance of enameled wire

Abstract

The invention discloses an online testing device for scratch resistance of an enameled wire, and particularly relates to the technical field of scratch resistance testing, comprising a winding seat, an enameled wire, a moving block, a multidirectional cross test piece, a scratch inclined plate, a middle scraper and a side inclined scraper, wherein the outer wall of the winding seat is provided with the enameled wire which is wound in a cross way; the movable block slides on one side of the winding seat, a multidirectional cross test piece is installed on the outer wall of the movable block and close to the top end of the movable block, and a scraping inclined plate, a scraping plate and a lateral inclined scraping plate are installed on the multidirectional cross test piece. The invention adopts the multidirectional crossed test piece and the linkage scraping piece, can stably press and scrape the crossed parts of the enameled wires in different directions, simulates the test under the actual winding contact state, has wider applicable coverage range of the test, and greatly improves the test efficiency, thereby solving the problems of smaller applicable coverage range and lower test efficiency.

Inventors

• LEI TING
• CHEN MENGJU

Assignees

• 安徽济洲新材料科技有限公司

Dates

Publication Date

20260512

Application Date

20260319

Claims (10)

1. 1. The online test device for the scratch resistance of the enameled wire comprises a winding seat (1) and is characterized in that the outer wall of the winding seat (1) is provided with the enameled wires (2) which are wound in a crossed manner; The movable block (3) slides on one side of the winding seat (1), a multidirectional cross test piece is arranged on the outer wall of the movable block (3) and close to the top end of the movable block, and a scraping inclined plate (4), a scraping plate (5) and a side inclined scraping plate (6) are arranged on the multidirectional cross test piece; the linkage scraping piece is arranged on one side of the moving block (3), and a scraping turning bar (7) is arranged on the linkage scraping piece; The power piece is arranged in the winding seat (1); The power piece drives the moving block (3) to reciprocate up and down, the moving block (3) drives the multi-directional cross test piece to act, so that the multi-directional cross test piece drives the scraping inclined plate (4), the side inclined scraping plate (6) and the inter scraping plate (5) to simultaneously scrape and test the cross inclined side part, the cross offset side part and the cross top of the enameled wire (2) respectively; Meanwhile, the linkage scraping piece is driven by the moving block (3), and the linkage scraping piece drives the scraping turning bar (7) to scrape and test the bent corner part of the enameled wire (2).
2. 2. The online test device for the scratch resistance of the enameled wire according to claim 1, wherein the multidirectional intersection test piece comprises: The groove pressing frame (8) is fixedly connected to one side of the outer wall of the moving block (3) and is close to the top end of the moving block, a pressing moving shaft (9) is connected to the inner wall of the groove pressing frame (8) in a sliding mode, the groove pressing frame (8) is obliquely arranged, and the pressing moving shaft (9) is fixedly connected with the scraping inclined plate (4); The connecting strip (10) is arranged on the upper inclined surface of the scraping inclined plate (4), the scraping inclined plate (4) and the inter-scraping plate (5) are fixedly connected with the connecting strip (10), the scraping inclined plate (4) is in contact with the enameled wire (2), a convex column (11) penetrates through the scraping inclined plate (4), the bottom end of the convex column (11) is fixedly connected with the winding seat (1), and the convex column (11) is used for guiding the scraping inclined plate (4) to slide; the chute frame (12) is fixedly connected to the other side of the outer wall of the moving block (3) and is close to the top end of the moving block, an included angle is formed between the chute frame (12) and the moving block (3), and the chute pressing frame (8) and the moving block (3) are vertically arranged; the oblique shaft (13) slides on the inner wall of the chute frame (12), the oblique shaft (13) is fixedly connected with the oblique scraping plate (6), the oblique convex rod (14) is arranged on the inner wall of the oblique scraping plate (6), the oblique convex rod (14) is fixedly connected with the winding seat (1), and the oblique scraping plate (6) is contacted with the enameled wire (2).
3. 3. The online test device for the scraping resistance of the enameled wire according to claim 2 is characterized in that an upper inclined surface of the scraping inclined plate (4) and a lower inclined surface of the interval scraping plate (5) are arranged in parallel, and a gap is arranged between the scraping inclined plate (4) and the interval scraping plate (5).
4. 4. The online test device for the scraping resistance of the enameled wire according to claim 2 is characterized in that the inclined scraping plate (6) and the inclined shaft (13) are vertically arranged, and the inclined convex rod (14) is used for guiding the inclined scraping plate (6) to slide.
5. 5. The online test device for the scratch resistance of the enameled wire according to claim 1, wherein the linkage scraper comprises: the rack (15) is fixedly connected to one side of the moving block (3), a gear (16) is connected to one side of the inner wall of the rack (15) in a meshed transmission manner, a coaxial linkage shaft (17) is fixed to the inner wall of the gear (16), and the linkage shaft (17) is rotationally connected with the winding seat (1); a rotating bar (18), one end part of which is fixed on one side of the outer wall of the linkage shaft (17), and the other end part of the rotating bar (18) is fixed with an arc-shaped block (19); the guide rail (20) is arranged on the outer wall of the arc-shaped block (19), the guide rail (20) is fixedly connected with the winding seat (1), and the guide rail (20) is used for guiding the arc-shaped block (19) to slide; The groove strip (21) is fixedly connected to one end part of the arc-shaped block (19), a positioning shaft (22) is fixedly arranged on the inner wall of the groove strip (21), a sleeve block (23) is arranged on the outer wall of the positioning shaft (22), the sleeve block (23) is fixedly connected with the scraping corner strip (7), and the positioning shaft (22) is used for positioning the sleeve block (23) to rotate; One side of the scraping turning bar (7) is provided with an elastic piece (24), the groove bar (21) and the scraping turning bar (7) are fixedly connected with the elastic piece (24), and the elastic piece (24) is used for providing elasticity for the scraping turning bar (7).
6. 6. The online test device for the scratch resistance of the enameled wire according to claim 5, wherein a gap is arranged between the groove strip (21) and the scraping corner strip (7), and the groove strip (21) is in sliding connection with the guide rail (20).
7. 7. The online test device for the scratch resistance of the enameled wire according to claim 5 is characterized in that the upper surface of the scraping corner strip (7) and the upper surface of the groove strip (21) are positioned on the same horizontal plane.
8. 8. The online test device for the scratch resistance of the enameled wire according to claim 1, wherein the power piece comprises: The connecting block (25) slides on the inner wall of the winding seat (1), the connecting block (25) is fixedly connected with the moving block (3), a screw (26) in threaded connection is arranged on the inner wall of the connecting block (25), a torque sensor (28) is arranged at the top end of the screw (26), the top end of the torque sensor (28) is fixedly connected with the winding seat (1), and the torque sensor (28) is used for sensing the torque force of the screw (26); the gear motor (27) is installed in the bottom of screw rod (26), gear motor (27) are used for driving screw rod (26) rotatory, fixed connection between the outer wall of gear motor (27) and wire winding seat (1), the below of movable block (3) is equipped with wireless controller (29), just fixed connection between wireless controller (29) and wire winding seat (1), gear motor (27) and torque sensor (28) all with wireless controller (29) electric connection.
9. 9. The online test device for the scratch resistance of the enameled wire according to claim 1, wherein the outer parts of the two ends of the enameled wire (2) are respectively inserted with a mounting sleeve (30), and the outer wall of each mounting sleeve (30) is respectively connected with a bolt (31) in a threaded manner; The outer wall of the installation sleeve (30) is provided with a supporting strip (32), one side of the supporting strip (32) is provided with a reinforcing strip (33), and the supporting strip (32) and the reinforcing strip (33) are fixedly connected with the winding seat (1).
10. 10. The online test device for the scratch resistance of the enameled wire according to claim 9, wherein the mounting sleeve (30) is fixedly connected with the supporting strip (32), and the other mounting sleeve (30) is fixedly connected with the reinforcing strip (33).

Description

Online testing device for scratch resistance of enameled wire Technical Field The invention relates to the technical field of scratch resistance tests, in particular to an online test device for the scratch resistance of an enameled wire. Background The online test device for the scraping resistance of the enameled wire in the service related to the new material tests the scraping resistance by utilizing mechanical stress, mainly contacts and scrapes a scraping tool with the enameled wire by designing a specific mechanical structure, and the scraping assembly applies mechanical stress to the surface of a paint film at a preset frequency to simulate the friction and scraping action on the paint film in actual production. In the published literature, patent publication No. CN216621979U discloses a semi-open type online scratch resistance test device for enameled wires, one end of a detection assembly is connected with a scratch assembly through signals, and the other end of the detection assembly is propped against the damage part of a paint film on an enameled wire. The utility model realizes the online detection of the scratch resistance of the enameled wire, accelerates the determination of the sample process, effectively reduces the wire cost and reduces the production cost. However, this technique has the following drawbacks. The current scratch resistance performance test of the enameled wire is limited, the enameled wire is in a single horizontal state during the test, the friction test is carried out by utilizing the contact scraping of the scraping plate and the enameled wire, however, most of enameled wires are in a winding cross contact state in actual use, the test mode is difficult to simulate the state, and stable pressure is difficult to be applied to the offset side part, the inclined side part, the cross top part and the winding bending corner part of the cross part for the test, so that the coverage range suitable for the test is smaller, and the test efficiency is lower. Disclosure of Invention In order to overcome the defects in the prior art, the invention provides the technical scheme that the online test device for the scratch resistance of the enameled wire comprises a winding seat, wherein the outer wall of the winding seat is provided with the enameled wire which is wound in a crossed manner; the movable block slides on one side of the winding seat, a multidirectional cross test piece is arranged on the outer wall of the movable block and close to the top end of the movable block, and a scraping inclined plate, a scraping plate and a side inclined scraping plate are arranged on the multidirectional cross test piece; the linkage scraping piece is arranged on one side of the moving block and is provided with a scraping turning bar; The power piece is arranged in the winding seat; The power piece drives the movable block to reciprocate up and down, and the movable block drives the multi-directional cross test piece to act, so that the multi-directional cross test piece drives the scraping inclined plate, the side inclined scraping plate and the inter scraping plate to simultaneously scrape and test the cross inclined side part, the cross offset side part and the cross top of the enamelled wire; meanwhile, the linkage scraping piece is driven by the moving block, and the linkage scraping piece drives the scraping turning bar to scrape and test the bent corner part of the enameled wire. In a preferred embodiment, the multi-way intersection test piece comprises: the groove pressing frame is fixedly connected to one side of the outer wall of the moving block and is close to the top end of the moving block, the inner wall of the groove pressing frame is connected with a pressing shaft in a sliding manner, the groove pressing frame is obliquely arranged, and the pressing shaft is fixedly connected with the scraping inclined plate; The connecting strip is arranged on the upper inclined surface of the scraping inclined plate, the scraping inclined plate and the interval scraping plates are fixedly connected with the connecting strip, the scraping inclined plate is contacted with the enameled wire, a convex column penetrates through the scraping inclined plate, the bottom end of the convex column is fixedly connected with the winding seat, and the convex column is used for guiding the scraping inclined plate to slide; The chute frame is fixedly connected to the other side of the outer wall of the moving block and is close to the top end of the moving block, an included angle is formed between the chute frame and the moving block, and the chute pressing frame and the moving block are vertically arranged; The inclined shaft slides on the inner wall of the chute frame, the inclined shaft is fixedly connected with the inclined scraping plate, an inclined convex rod is mounted on the inner wall of the inclined scraping plate, the inclined convex rod is fixedly connected with the winding seat, and the