A wire core grinding device for wire processing

Abstract

The present invention relates to a wire core grinding device for wire processing, comprising a machine tool frame; a cable release drum and a cable winding drum for pulling the wire core body and being symmetrically arranged are installed on the machine tool frame, a rotating drum is provided between the cable release drum and the cable winding drum, a grinding drum for the wire core body to pass through is fixedly connected at the center position of the rotating drum, two groups of guide rollers arranged oppositely are provided on the inner and outer sides of the grinding drum, sandpaper strips abutting the wire core body are passed through the guide rollers, a sandpaper release drum and a sandpaper winding drum which are symmetrically arranged and wound around two ends of the sandpaper strip are rotatably connected in the rotating drum, a sandpaper winding mechanism which is linked to the winding mechanism of the wire core body and is installed in the rotating drum is installed, when the wire core body moves horizontally at a uniform speed, the grinding drum drives the sandpaper strip to make a circular motion to perform circumferential grinding on the wire core body, and at the same time, as the rotating drum rotates, the sandpaper winding mechanism drives the sandpaper strip to move and replace, thereby ensuring the quality of sandpaper grinding.

Description

Technical Field

[0001] The present invention relates to a grinding device, in particular to a wire core grinding device for wire processing applied in the field of grinding machine tools. Background Art

[0002] A grinding machine, often referred to as a grinder, is an electric tool (or machine tool) used for grinding. It is a type of machining equipment that uses abrasive tools as cutting tools.

[0003] During the wire processing, a grinding machine is needed to grind the cable core. The existing grinding machine is prone to wear and tear during grinding. In the existing technology, personnel are required to observe and periodically replace the mold to ensure the grinding quality. However, this will cause cumbersome operations during the grinding operation. At the same time, the grinding quality of the wire core cannot be guaranteed. Application Contents

[0004] In view of the above-mentioned prior art, the technical problem to be solved by the present invention is that the grinding tools need to be frequently replaced during the wire core grinding process and the grinding quality is unstable.

[0005] To solve the above-mentioned problems, the present invention provides a wire core grinding device for wire processing, comprising a machine tool frame; a cable release drum and a cable take-up drum for pulling a wire core body and symmetrically arranged are installed on the machine tool frame; a mounting cover is provided between the cable release drum and the cable take-up drum; a support frame is installed in the mounting cover; a rotating drum rotatably connected thereto is nested in the support frame; a grinding drum for the wire core body to pass through is fixedly connected at the center of the rotating drum; two sets of guide rollers arranged oppositely are provided on the inner and outer sides of the grinding drum; sandpaper strips abutting the wire core body are passed through the guide rollers; a sandpaper release drum and a sandpaper take-up drum symmetrically arranged and wound around the two ends of the sandpaper strip are rotatably connected in the rotating drum;

[0006] An outer gear ring is sleeved and fixed on the outer side of the rotating drum, and the outer gear ring is engaged with a first transmission gear. The first transmission gear passes through a common shaft, and the first transmission gear is engaged with a first drive gear, and the first drive gear is connected to a drive motor; the two ends of the common shaft are respectively connected to the cable release drum and the cable reel drum for transmission through a transmission gear set;

[0007] The sandpaper release drum and the sandpaper winding drum are both rotatably connected to the rotating drum through a drum shaft. The drum shaft extends to the outside of the rotating drum and is fixedly connected to a passive gear. The passive gear meshes with the center gear. The center gear is fixedly connected to a worm wheel through a mounting shaft. The worm wheel meshes with a worm. The end of the worm is fixedly connected to a rolling gear. A notched gear ring is provided on the outside of the rolling gear to cooperate with it and is fixedly connected to the support frame. A latching tooth is provided on the upper part of the notched gear ring to cooperate with the rolling gear.

[0008] In the above-mentioned wire core grinding device for wire processing, a sandpaper moving and winding device is provided which is linked to the wire core body traction mechanism to realize the movement and replacement of the sandpaper.

[0009] As a further improvement of the present application, the left side of the grinding cylinder is connected to a front guide cover fixedly connected to the rotating cylinder, the right side of the grinding cylinder is connected to a follower cylinder fixedly connected to the rotating cylinder, the right end opening of the follower cylinder is sleeved with a fixed cylinder rotatably connected thereto, the fixed cylinder is connected to a dust suction pipe, and the dust suction pipe is connected to a negative pressure vacuum cleaner.

[0010] As a further improvement of the present application, a brush plate abutting against the wire core body is provided in the follower cylinder, and the brush plate is fixedly connected to the inner wall of the follower cylinder through a spring telescopic rod.

[0011] As a further improvement of the present application, the rotating cylinder is a horizontal cylindrical structure with an open end, a cylinder cover is clamped at one end of the rotating cylinder, the support frame is a rectangular box structure, an annular groove for the rotating cylinder to rotate is provided in the support frame, the transverse cross-section of the annular groove is convex, the outer gear ring is nested in the annular groove, and the rear end of the annular groove is connected to a connecting groove for the first transmission gear to pass through.

[0012] As a further improvement of the present application, the grinding cylinder is a cylindrical structure with openings at both ends, the guide roller is a circular roller structure with a through-joint groove in the center, the sandpaper strip passes through the through-joint groove of the guide roller, and a through-joint groove is provided on the inner wall of the grinding cylinder for the sandpaper strip to pass through and is arranged opposite to the through-joint groove.

[0013] As a further improvement of the present application, the front guide cover and the follower cylinder are both conical cylindrical structures that are narrow on the left and wide on the right, and the fixed cylinder is fixedly connected to the inner wall of the mounting cover.

[0014] To sum up, the present invention is equipped with a sandpaper winding mechanism that is linked to the winding mechanism of the wire core body and is installed in a rotating drum. When the wire core body moves horizontally at a uniform speed, the grinding drum drives the sandpaper strip to make a circular motion to perform circular grinding on the wire core body. At the same time, as the rotating drum rotates, the sandpaper winding mechanism drives the sandpaper strip to move and replace, thereby ensuring the quality of sandpaper grinding without the need for frequent replacement of grinding blocks. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention from the front side perspective in the first embodiment of the present application;

[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention from a rear side perspective in the first embodiment of the present application;

[0017] Figure 3 This is a schematic diagram of the longitudinal cross-sectional structure of the present invention in the first embodiment of the present application;

[0018] Figure 4 for Figure 3 Schematic diagram of the enlarged structure at A in the middle;

[0019] Figure 5 This is a schematic diagram of the assembly structure of the support frame and the rotating drum in the first embodiment of the present application;

[0020] Figure 6 This is a schematic diagram of the assembly structure of the grinding cylinder in the first embodiment of the present application;

[0021] Figure 7 This is a schematic diagram of the assembly structure of the worm and the rotating cylinder in the first embodiment of the present application;

[0022] Figure 8 This is a schematic diagram of the assembly structure of the cylindrical shaft and the worm in the first embodiment of the present application;

[0023] Figure 9 This is a schematic diagram of the three-dimensional structure of the rotating drum in the first embodiment of the present application;

[0024] Figure 10 This is a schematic diagram of a transverse cross-sectional structure of the present invention in the second embodiment of the present application;

[0025] Figure 11 for Figure 10 Schematic diagram of the enlarged structure at B in the middle;

[0026] Figure 12 This is a schematic diagram of the assembly structure of the brush plate in the second embodiment of this application.

[0027] Description of the numbers in the figure:

[0028] 1. Machine tool frame; 2. Cable release drum; 3. Cable take-up drum; 4. Wire core body; 5. Mounting cover; 6. Support frame; 7. Rotating drum; 701, drum cover; 8. Grinding drum; 9. Sandpaper strip; 10. Guide roller; 11. Sandpaper release drum; 12. Sandpaper take-up drum; 13. Drum shaft; 14. Outer gear ring; 15. First transmission gear; 16. First drive gear; 17. Drive motor; 18. Common shaft; 19. Driven gear; 20. Center gear; 21. Mounting shaft; 22. Worm gear; 23. Worm; 24. Rolling gear; 25. Notched gear ring; 2501, Gear; 26. Front guide cover; 27. Follower drum; 28. Fixed drum; 29. Dust pipe; 30. Negative pressure vacuum cleaner; 31. Brush plate; 32. Spring telescopic rod; 33. Limit roller. DETAILED DESCRIPTION

[0029] The following describes two implementation methods of the present application in detail with reference to the accompanying drawings.

[0030] The first implementation method:

[0031] Figure 1-9A wire core grinding device for wire processing is shown, comprising a machine tool frame 1; a cable release drum 2 and a cable take-up drum 3 are mounted on the machine tool frame 1 and are used to pull a wire core body 4 and are symmetrically arranged; a mounting cover 5 is provided between the cable release drum 2 and the cable take-up drum 3; a support frame 6 is mounted within the mounting cover 5; a rotating drum 7 rotatably connected thereto is nested within the support frame 6; a grinding drum 8 is fixedly connected at the center of the rotating drum 7 for the wire core body 4 to pass through; two sets of oppositely arranged guide rollers 10 are provided on the inner and outer sides of the grinding drum 8; a sandpaper strip 9 is passed through the guide roller 10 and abuts against the wire core body 4; a sandpaper release drum 11 and a sandpaper take-up drum 12 are rotatably connected to the rotating drum 7 and are wound around the two ends of the sandpaper strip 9 and are symmetrically arranged;

[0032] An outer gear ring 14 is sleeved and fixed to the outside of the rotating drum 7. The outer gear ring 14 meshes with a first transmission gear 15. The first transmission gear 15 passes through a common shaft 18. The first transmission gear 15 meshes with a first drive gear 16. The first drive gear 16 is connected to a drive motor 17. The two ends of the common shaft 18 are respectively connected to the cable release drum 2 and the cable take-up drum 3 through a transmission gear set.

[0033] The sandpaper release drum 11 and the sandpaper winding drum 12 are both rotatably connected to the rotating drum 7 through the drum shaft 13. The drum shaft 13 extends to the outside of the rotating drum 7 and is fixedly connected to a passive gear 19. The passive gear 19 engages with the center gear 20. The center gear 20 is fixedly connected to a worm gear 22 through an installation shaft 21. The worm gear 22 engages with a worm 23. The end of the worm 23 is fixedly connected to a rolling gear 24. A notched gear ring 25 is provided on the outside of the rolling gear 24 to cooperate with it and is fixedly connected to the support frame 6. A latching tooth 2501 is provided on the upper part of the notched gear ring 25 to cooperate with the rolling gear 24.

[0034] Specifically, when it is necessary to grind the wire core body 4, the drive motor 17 is started, and the drive motor 17 drives the common shaft 18 to rotate through the first drive gear 16 and the first transmission gear 15, and the common shaft 18 drives the cable release drum 2 and the cable take-up drum 3 to rotate synchronously, and the synchronous rotation of the two serves as a traction mechanism to make the wire core body 4 pass through the grinding drum 8 at a uniform speed; at the same time, the first transmission gear 15 drives the outer gear ring 14 and the rotating drum 7 to rotate, and the rotating drum 7 drives the grinding drum 8 to make a circular motion, and the grinding drum 8 drives the sandpaper strip 9 inside it to make a circular motion to perform a circular grinding on the wire core body 4 to ensure the grinding effect; at the same time, as the rotating drum 7 drives The movable worm 23 and the rolling gear 24 at its outer end rotate in a circle. When the rolling gear 24 contacts the latching teeth 2501 of the notched gear ring 25, the rolling gear 24 is driven to rotate. The rolling gear 24 drives the mounting shaft 21 to rotate through the worm 23 and the worm wheel 22. The mounting shaft 21 drives the barrel shaft 13 to rotate through the central gear 20 and the driven gear 19. The barrel shaft 13 drives the sandpaper release cylinder 11 and the sandpaper winding cylinder 12 to move in opposite directions, thereby realizing the movement of the sandpaper strip 9, and then realizing the replacement and winding of the sandpaper strip 9 in contact with the wire core body 4, realizing the intermittent movement and replacement of the sandpaper strip 9, ensuring the grinding effect, and eliminating the need for frequent shutdown to replace the grinding block.

[0035] See also Figure 5 and Figure 6 In this embodiment, the rotating cylinder 7 is a horizontal cylindrical structure with one end open, and a cylinder cover 701 is clamped at one end of the rotating cylinder 7.

[0036] Specifically, it is convenient to drive the grinding cylinder 8 to make a circular motion along the wire core body 4, and at the same time, it is convenient to install and store the sandpaper roll.

[0037] See also Figure 3 In this embodiment, the support frame 6 is a rectangular box structure, and an annular groove is provided in the support frame 6 for the rotating cylinder 7 to rotate. The transverse cross-section of the annular groove is convex, and the outer gear ring 14 is nested in the annular groove. The rear end of the annular groove is connected to a connecting groove for the first transmission gear 15 to pass through.

[0038] Specifically, stable support for the rotating drum 7 is achieved.

[0039] See also Figure 4 and Figure 9 In this embodiment, the grinding cylinder 8 is a cylindrical structure with openings at both ends, the guide roller 10 is a round roller structure with a through-joint groove in the center, the sandpaper strip 9 passes through the through-joint groove of the guide roller 10, and a through-joint groove for the sandpaper strip 9 to pass through and arranged opposite to the through-joint groove is opened on the inner wall of the grinding cylinder 8.

[0040] Specifically, the position limiting and guiding functions of the sandpaper strip 9 are achieved by the guide roller 10 with the through groove.

[0041] See also Figure 1 and Figure 2 In this embodiment, the mounting cover 5 is an open structure and is fixedly connected to the machine tool frame 1. The common shaft 18 passes through the mounting cover 5 and is rotatably connected thereto. The drive motor 17 is fixedly connected to the mounting cover 5 by bolts.

[0042] In this embodiment, through holes are opened on both sides of the mounting cover 5 for the wire core body 4 to pass through, and a group of limiting rollers 33 are provided on the outside of the through holes, which are symmetrically arranged up and down and abut against the wire core body 4.

[0043] Second implementation method:

[0044] Figure 10-12 A wire core grinding device for wire processing is shown. On the basis of the first embodiment, the left side of the grinding cylinder 8 is connected to a front guide cover 26 fixedly connected to the rotating cylinder 7, and the right side of the grinding cylinder 8 is connected to a follower cylinder 27 fixedly connected to the rotating cylinder 7. The right end opening of the follower cylinder 27 is sleeved with a fixed cylinder 28 rotatably connected thereto, the fixed cylinder 28 is connected to a dust suction pipe 29, and the dust suction pipe 29 is connected to a negative pressure vacuum cleaner 30.

[0045] Specifically, the two sides of the grinding cylinder 8 are sealed by the front guide cover 26 and the follower cylinder 27 to facilitate the collection of grinding debris, and then the debris is sucked away by the negative pressure vacuum cleaner 30.

[0046] See also Figure 11 and Figure 12 In this embodiment, the front guide cover 26 and the follower cylinder 27 are both tapered cylindrical structures that are narrow on the left and wide on the right, and the fixed cylinder 28 is fixedly connected to the inner wall of the mounting cover 5.

[0047] Specifically, it is convenient to collect dust and facilitate suction and cleaning.

[0048] In this embodiment, a brush plate 31 is provided in the follower cylinder 27 and abuts against the wire core body 4 . The brush plate 31 is fixedly connected to the inner wall of the follower cylinder 27 via a spring telescopic rod 32 .

[0049] Specifically, the follower cylinder 27 rotates along with the rotating cylinder 7, thereby driving the brush plate 31 to perform a circular motion, thereby performing rotational cleaning on the surface of the wire core body 4, thereby improving the dust cleaning effect.

[0050] In view of current actual needs, the protection scope of the above-mentioned implementation mode adopted in this application is not limited to this. Various changes made within the knowledge scope of technical personnel in this field without departing from the concept of this application still fall within the protection scope of the present invention.

Claims

1. A wire core grinding device for wire processing, characterized in that: The invention comprises a machine tool frame (1); a cable release drum (2) and a cable winding drum (3) for pulling a wire core body (4) and symmetrically arranged are installed on the machine tool frame (1); a mounting cover (5) is provided between the cable release drum (2) and the cable winding drum (3); a support frame (6) is installed in the mounting cover (5); a rotating drum (7) rotatably connected to the support frame (6) is nested in the support frame (6); a grinding drum (8) for the wire core body (4) to pass through is fixedly connected to the center position of the rotating drum (7); two sets of guide rollers (10) arranged oppositely are provided on the inner and outer sides of the grinding drum (8); a sandpaper strip (9) abutting against the wire core body (4) is passed through the guide roller (10); a sandpaper release drum (11) and a sandpaper winding drum (12) symmetrically arranged and wound around the two ends of the sandpaper strip (9) are rotatably connected in the rotating drum (7); An outer gear ring (14) is sleeved and fixed on the outer side of the rotating cylinder (7), the outer gear ring (14) is meshed with a first transmission gear (15), a common shaft (18) passes through the first transmission gear (15), the first transmission gear (15) is meshed with a first drive gear (16), and the first drive gear (16) is connected to a drive motor (17); both ends of the common shaft (18) are respectively connected to the cable release cylinder (2) and the cable winding cylinder (3) for transmission through a transmission gear set; The sandpaper release cylinder (11) and the sandpaper take-up cylinder (12) are both rotatably connected to the rotating cylinder (7) via a cylinder shaft (13). The cylinder shaft (13) extends to the outside of the rotating cylinder (7) and is fixedly connected to a passive gear (19). The passive gear (19) engages with a central gear (20). The central gear (20) is fixedly connected to a worm wheel (22) via a mounting shaft (21). The worm wheel (22) engages with a worm (23). The end of the worm (23) is fixedly connected to a rolling gear (24). The rolling gear (24) is provided with a notched gear ring (25) on the outside thereof and fixedly connected to the support frame (6). The upper portion of the notched gear ring (25) is provided with a latching tooth (2501) that cooperates with the rolling gear (24).

2. A wire core grinding device for wire processing according to claim 1, characterized in that: The left side of the grinding cylinder (8) is connected to a front guide cover (26) fixedly connected to the rotating cylinder (7), and the right side of the grinding cylinder (8) is connected to a follower cylinder (27) fixedly connected to the rotating cylinder (7). The right end opening of the follower cylinder (27) is sleeved with a fixed cylinder (28) rotatably connected thereto, and the fixed cylinder (28) is connected to a dust suction pipe (29), and the dust suction pipe (29) is connected to a negative pressure vacuum cleaner (30).

3. A wire core grinding device for wire processing according to claim 2, characterized in that: A brush plate (31) abutting against the wire core body (4) is provided in the follower cylinder (27), and the brush plate (31) is fixedly connected to the inner wall of the follower cylinder (27) via a spring telescopic rod (32).

4. A wire core grinding device for wire processing according to claim 1, characterized in that: The rotating cylinder (7) is a horizontal cylindrical structure with an open end. A cylinder cover (701) is clamped to one end of the rotating cylinder (7). The support frame (6) is a rectangular box structure. An annular groove for the rotating cylinder (7) to rotate is provided in the support frame (6). The transverse cross section of the annular groove is convex. The outer gear ring (14) is nested in the annular groove. The rear end of the annular groove is connected to a connecting groove for the first transmission gear (15) to pass through.

5. The wire core grinding device for wire processing according to claim 1, characterized in that: The grinding cylinder (8) is a cylindrical structure with two ends open, the guide roller (10) is a circular roller structure with a through-joint groove provided at the center, the sandpaper strip (9) passes through the through-joint groove of the guide roller (10), and a through-joint groove for the sandpaper strip (9) to pass through and arranged opposite to the through-joint groove is provided on the inner wall of the grinding cylinder (8).

6. A wire core grinding device for wire processing according to claim 2, characterized in that: The front guide cover (26) and the follower cylinder (27) are both tapered cylindrical structures that are narrow on the left and wide on the right, and the fixed cylinder (28) is fixedly connected to the inner wall of the mounting cover (5).

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