Automatic cable grinding machine

Abstract

The invention provides an automatic cable grinding machine, and relates to the field of cable processing equipment. The automatic cable grinding machine comprises two fixed side plates, a grinding driving structure is arranged between the two fixed side plates, a ball screw and two fixed shafts are connected between the two fixed side plates, the ball screw and the two fixed shafts are sleeved with the grinding driving structure, and the grinding driving structure moves back and forth through the ball screw. A grinding structure is arranged on the grinding driving structure, and clamping structures are arranged on the two fixing side plates. According to the automatic cable grinding machine, the grinding driving structure drives the grinding structure to achieve automatic grinding and polishing of a cable, during working, the grinding belt on the rotating disc rotates around the cable along with the rotating disc while rotating, full-angle grinding is achieved, the problem that the surface of the cable is ground unevenly is solved, and meanwhile the device is simple and convenient in structure and high in practicability. And carrying and carrying are convenient, manual adjustment in the grinding process is not needed, operation is convenient, working efficiency is high, and time and labor are saved.

Description

Technical Field

[0001] The invention relates to the technical field of cable processing equipment, in particular to an automatic cable grinder. Background Art

[0002] During the installation and construction of high-voltage cables, the insulation layer of the high-voltage cables needs to be polished to meet the performance requirements. Currently, this process is mainly performed manually or through polishing equipment. Manual operation requires extremely high skills and experience from the operator, and the operation time is long, the labor intensity is high, and the dust is harmful to human health.

[0003] Most of the existing cable grinding equipment consists of two parts: a support frame and a grinding structure. The cable is fixed by the support frame, and then the grinding structure grinds and polishes the cable surface. However, there are still some problems in use: the degree of automation is not high, and manual adjustment of the grinding position is still required during the grinding process, resulting in inconvenient operation; the grinding efficiency is not high enough; the device is large in size, inconvenient to carry and move, and the device structure is complex, which makes it inconvenient to connect to the power supply and subsequent maintenance. For this reason, this application proposes an automatic cable grinder to solve the problems of the existing technology. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides an automatic cable grinder, which solves the problems that the prior cable grinding equipment is not convenient to use and the grinding surface is not wide enough.

[0006] (II) Technical solution

[0007] To achieve the above purpose, the present invention is implemented through the following technical solutions: an automatic cable grinder, comprising two fixed side plates, a grinding drive structure is arranged between the two fixed side plates, and a ball screw and two fixed shafts are connected between the two fixed side plates, the grinding drive structure is sleeved on the ball screw and the two fixed shafts, and moves back and forth through the ball screw, a grinding structure is arranged on the grinding drive structure, and a clamping structure is arranged on the two fixed side plates to clamp the cable;

[0008] The polishing drive structure includes a mounting frame, a driving motor 1, a driving wheel 1, and a driven wheel 1. The driving motor 1 is fixed to the rear side of the mounting frame, the driving wheel 1 is fixed to the front side of the mounting frame and connected to the output end of the driving motor 1, and the driven wheel 1 is also fixed to the front side of the mounting frame. A transmission belt is provided between the driving wheel 1 and the driven wheel 1.

[0009] The grinding structure includes a rotating disk, a driving wheel 2, a driving motor 2, a grinding belt, two driven wheels 2, and a tensioning adjustment structure. The driving wheel 2 and the two driven wheels 2 are arranged on the front side of the rotating disk, the driving motor 2 is fixed to the rear end of the rotating disk, and drives the driving wheel 2 to rotate. The tensioning adjustment structure is arranged on the front side of the rotating disk, one of the driven wheels 2 is fixed on the tensioning adjustment structure, and the other driven wheel 2 is fixed on the rotating disk. The grinding belt is wrapped around the outside of the driving wheel 2 and the two driven wheels 2 in a triangular shape.

[0010] Preferably, a conductive slide rail is also provided on the inner side of the mounting frame, and a conductive copper sheet is fixedly provided on one side of the inner side of the conductive slide rail. Two conductive contact fingers are also provided on the rear side of the rotating disk. The two conductive contact fingers can slide in the conductive slide rail, and both conductive contact fingers are electrically connected to the second driving motor.

[0011] Furthermore, through this design, there is no need to set up lines on the rotating disk, and it can be rotated at any angle to polish the cable surface in all directions.

[0012] Preferably, at least one of the two conductive contact fingers is in contact with the conductive copper sheet in the conductive slide rail.

[0013] Preferably, the tensioning adjustment structure includes a rotating shaft 1, a base plate, a positioning plate, and a mounting plate, the rotating shaft 1 is fixed on the rotating disk, the base plate and the mounting plate are rotatably sleeved on the same side of the rotating shaft 1, one of the driven wheels 2 is fixed at one end of the mounting plate, the positioning plate is located between the base plate and the mounting plate, one end of the positioning plate is fixedly provided with a rotating shaft 2, one end of the rotating shaft 2 passes through the mounting plate, the other end of the mounting plate is provided with a groove, a positioning ball is provided inside the groove, the bottom end of the positioning ball passes through the base plate, a buckle for fixing the positioning ball is provided in the groove, a plurality of positioning holes corresponding to the positioning balls are provided on the surface of the rotating disk, a limiting groove is provided on the mounting plate near the middle position, a limiting rod is fixedly provided at the position corresponding to the limiting groove on the positioning plate, and the limiting rod passes through the limiting groove to the outer end.

[0014] Furthermore, the position of one of the driven wheels 2 can be adjusted through the tension adjustment structure, thereby controlling the tension of the grinding belt and facilitating disassembly, assembly and maintenance.

[0015] Preferably, the tensioning adjustment structure also includes a guide rail and a limit buckle, the guide rail remains parallel to the direction of the plurality of positioning holes, the end of the base plate and the mounting plate away from the rotating shaft is located in the guide rail, and the limit buckle is fixed on the rotating disk to limit the position of the mounting plate.

[0016] Preferably, the clamping structure includes two fixed blocks, an upper screw rod, an adjusting screw rod and two clamping arms, the two fixed blocks are fixedly arranged on the outer side of the fixed side plate, the two ends of the upper screw rod and the adjusting screw rod are respectively connected to the two fixed blocks, and one end of the adjusting screw rod passes through the fixed block to the outer end, the upper screw rod and the adjusting screw rod are connected at the center by a belt drive, and the two clamping arms are threadedly sleeved on the upper screw rod and the adjusting screw rod.

[0017] Preferably, a driving motor is arranged on the inner side of one of the valley bottom fixed side plates, and the driving motor drives the ball screw to rotate via a belt.

[0018] Preferably, the grinding drive structure further includes a plurality of limiting wheels, which are fixed on the mounting frame and arranged on the outer side of the rotating disk.

[0019] Preferably, the rotating disk is configured to be in a disc shape, and a U-shaped opening is provided on the disk body.

[0020] Furthermore, this design allows the cable to be directly placed on the rotating disk and in contact with the grinding belt during grinding, saving time and effort.

[0021] Preferably, a U-shaped opening is provided on the mounting frame.

[0022] Furthermore, the U-shaped opening on the mounting frame is used to correspond to the rotating disk.

[0023] (III) Beneficial effects

[0024] The present invention provides an automatic cable grinding machine, which has the following beneficial effects:

[0025] 1. The automatic cable grinder disclosed in the present invention can realize automatic grinding and polishing of cables by driving the grinding structure through the grinding drive structure. During operation, the grinding belt on the rotating disk rotates around the cable along with the rotating disk while rotating on itself, thereby realizing full-angle grinding, improving grinding efficiency, and avoiding the problem of uneven grinding of the cable surface.

[0026] 2. The grinding structure in the automatic cable grinder disclosed in the present invention is powered by contact power, avoiding external circuits, so that the grinding structure can achieve full-angle rotation. The structure of the entire device is simplified, which is convenient for production and subsequent maintenance.

[0027] 3. The overall structure of the device is simple, easy to carry and transport, and automatic grinding, no manual adjustment is required during the grinding process. At the same time, the rotating disk in the device is set to be open on one side. When installing the cable for grinding, there is no need to insert it from the cable end, which simplifies the installation process before grinding and facilitates operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a three-dimensional diagram of the structure of the present invention;

[0029] Figure 2 It is a three-dimensional diagram of the structure of the present invention from another perspective;

[0030] Figure 3 A three-dimensional diagram of the grinding drive structure of the present invention;

[0031] Figure 4 A three-dimensional diagram of the grinding drive structure of the present invention from another perspective;

[0032] Figure 5 It is a three-dimensional diagram of the grinding structure of the present invention;

[0033] Figure 6 It is a three-dimensional diagram of the grinding structure of the present invention from another perspective;

[0034] Figure 7 It is a schematic diagram of the tension adjustment structure of the present invention;

[0035] Figure 8 It is a schematic diagram of the clamping structure of the present invention.

[0036] Among them, 1. Fixed side plate; 2. Fixed shaft; 3. Ball screw;

[0037] 4. Grinding drive structure; 41. Mounting frame; 42. Driving motor 1; 43. Driving wheel 1; 44. Driven wheel 1; 45. Limiting wheel; 46. Conductive slide rail; 47. Conductive copper sheet; 48. Transmission belt;

[0038] 5. Grinding structure; 51. Rotating disk; 52. Driving wheel 2; 53. Driving motor 2; 54. Grinding

[0039] belt; 55, driven wheel 2; 56, tension adjustment structure; 57, conductive contact finger;

[0040] 561, rotating shaft 1; 562, bottom plate; 563, positioning plate; 564, mounting plate; 565, groove; 566, positioning ball; 567, guide rail; 568, positioning hole; 569, buckle; 5610, limiting groove; 5611, limiting rod; 5612, rotating shaft 2; 5613, limiting buckle;

[0041] 6. Clamping structure; 61. Fixed block; 62. Upper screw rod; 63. Adjusting screw rod; 64. Clamping arm;

[0042] 7. Driving motor three. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0044] Example:

[0045] like Figure 1-8 As shown, an embodiment of the present invention provides an automatic cable grinder, including two fixed side panels 1, a grinding drive structure 4 is arranged between the two fixed side panels 1, and a ball screw 3 and two fixed shafts 2 are connected between the two fixed side panels 1, a driving motor 7 is arranged on the inner side of one of the fixed side panels 1, and the driving motor 7 drives the ball screw 3 to rotate through a belt, the grinding drive structure 4 is sleeved on the ball screw 3 and the two fixed shafts 2, and the fixed shaft 2 assists in positioning, and the ball screw 3 moves back and forth to grind different positions of the cable, a grinding structure 5 is arranged on the grinding drive structure 4, and a clamping structure 6 is arranged on the two fixed side panels 1, which is used to clamp and fix the front and rear ends of the cable to be polished.

[0046] The grinding drive structure 4 includes a mounting frame 41, a driving motor 42, a driving wheel 43, and a driven wheel 44. The mounting frame 41 is provided with a U-shaped opening. The driving motor 42 is fixed to the rear side of the mounting frame 41. The driving wheel 43 is fixed to the front side of the mounting frame 41 and connected to the output end of the driving motor 42. The driven wheel 44 is also fixed to the front side of the mounting frame 41. A transmission belt 48 is provided between the driving wheel 43 and the driven wheel 44.

[0047] The grinding structure 5 includes a rotating disk 51, a driving wheel 2 52, a driving motor 2 53, a grinding belt 54, two driven wheels 2 55, and a tensioning adjustment structure 56. The rotating disk 51 is configured to be a disc, and a U-shaped opening is provided on the disk body. This design allows the cable to be directly placed into the rotating disk 51 from the opening to contact the grinding belt 54 when grinding, without having to insert it from the cable end, thereby simplifying the process and facilitating operation. The driving wheel 2 52 and the two driven wheels 2 55 are arranged on the front side of the rotating disk 51, and the driving motor 2 53 is fixed to the rear end of the rotating disk 51 to drive the driving wheel 2 52 to rotate. The tensioning adjustment structure 56 is arranged on the front side of the rotating disk 51, one of the driven wheels 2 55 is fixed on the tensioning adjustment structure 56, and the tensioning adjustment structure 56 controls and adjusts the position of the driven wheel 2 55, and the other driven wheel 2 55 is fixed on the rotating disk 51. The grinding belt 54 is wrapped around the outside of the driving wheel 2 52 and the two driven wheels 2 55, forming a triangular shape.

[0048] When the driving motor 42 is working, it drives the driven wheel 44 to rotate through the driving wheel 43, and then the two wheels contact the rotating disk 51, driving the rotating disk 51 to rotate. The grinding drive structure 4 also includes a plurality of limiting wheels 45, which are fixed on the mounting frame 41 and arranged on the outer side of the rotating disk 51 for limiting the rotating disk 51.

[0049] A conductive slide rail 46 is also provided on the inner side of the mounting frame 41, and a conductive copper sheet 47 is fixedly provided on one side of the inner side of the conductive slide rail 46. Two conductive contact fingers 57 are also provided on the rear side of the rotating disk 51. The two conductive contact fingers 57 can slide in the conductive slide rail 46, and the two conductive contact fingers 57 are electrically connected to the driving motor 2 53. There is always one of the two conductive contact fingers 57 in contact with the conductive copper sheet 47 in the conductive slide rail 46. The conductive slide rail 46 is externally connected to an electric wire, and the conductive contact fingers 57 are powered through the conductive copper sheet 47, and then the conductive contact fingers 57 power the driving motor 2 53, so that the driving wheel 2 52 can maintain stable operation, and there is no need to set a circuit on the rotating disk 51, thereby ensuring convenient production and safe use.

[0050] The tensioning adjustment structure 56 includes a rotating shaft 561, a bottom plate 562, a positioning plate 563, and a mounting plate 564. The rotating shaft 561 is fixed on the rotating disk 51. The bottom plate 562 and the mounting plate 564 are both rotatably sleeved on the rotating shaft 561 on the same side. One of the driven wheels 55 is fixed on one end of the mounting plate 564. The positioning plate 563 is located between the bottom plate 562 and the mounting plate 564. A rotating shaft 5612 is fixedly provided on one end of the positioning plate 563. One end of the rotating shaft 5612 passes through the mounting plate 564. A groove 565 is provided at the other end of the mounting plate 564. A positioning ball 566 is provided inside the groove 565. The bottom end of the positioning ball 566 passes through the bottom plate 562. A positioning ball 566 is provided in the groove 565. The ball 566 is fixed by a buckle 569, and a plurality of positioning holes 568 corresponding to the positioning ball 566 are provided on the surface of the rotating disk 51. A limiting groove 5610 is provided in the middle position of the mounting plate 564. A limiting rod 5611 is fixedly provided at a position corresponding to the limiting groove 5610 on the positioning plate 563. The limiting rod 5611 passes through the limiting groove 5610 to the outer end. The tensioning adjustment structure 56 also includes a guide rail 567 and a limiting buckle 5613. The guide rail 567 is parallel to the directions of the plurality of positioning holes 568. The end of the bottom plate 564 and the mounting plate 564 away from the rotating shaft 561 is located in the guide rail 567. The limiting buckle 5613 is fixed on the rotating disk 51 to limit the position of the mounting plate 564.

[0051] When the tightness of the grinding belt 54 needs to be adjusted, the buckle 569 is buckled out from the groove 566, and then the positioning plate 563 is moved. The positioning ball 566 is disengaged from the original positioning hole 568 under the action of the force, and when it is moved to the positioning hole 568 that needs to be adjusted, the buckle 569 is buckled again to re-fix the positioning ball 566. When the positioning plate 563 moves, it will drive the mounting plate 564 to rotate around the rotating shaft 1 561, thereby adjusting the position of the driving wheel 2 52 on the mounting plate 564, thereby achieving the purpose of adjusting the tightness of the grinding belt 54.

[0052] The clamping structure 6 includes two fixed blocks 61, an upper screw rod 62, an adjusting screw rod 63 and two clamping arms 64. The two fixed blocks 61 are fixedly arranged on the outer side of the fixed side plate 1. The two ends of the upper screw rod 62 and the adjusting screw rod 63 are respectively connected to the two fixed blocks 61, and one end of the adjusting screw rod 63 passes through the fixed block 61 to the outer end. The center of the upper screw rod 62 and the adjusting screw rod 63 is connected by a belt drive. The two clamping arms 64 are threadedly sleeved on the upper screw rod 62 and the adjusting screw rod 63. By rotating the adjusting screw rod 63, the upper screw rod 62 can be driven to rotate, and then the two clamping arms 64 can be driven to loosen or clamp.

[0053] Working principle:

[0054] When in use, the device is placed at the workplace. After power is connected, the cable is placed on the device from top to bottom, the two ends are clamped and fixed by the clamping structure 6, the middle part is placed in the U-shaped opening of the rotating disk 51, and pressed on the surface of the grinding belt 54 from the outside to the inside. During grinding, the driving motor 42 drives the driving wheel 43 to rotate, and then drives the driven wheel 44 to rotate through the belt. The driving wheel 43 and the driven wheel 44 are in contact with the rotating disk 51, driving the rotating disk 51 to rotate. At the same time, the driving motor 2 53 drives the driving wheel 2 52 to rotate, thereby driving the grinding belt 54 to rotate, so that the grinding structure 5 rotates around the outer surface of the cable for grinding. The driving motor 3 7 can drive the ball screw 3 to rotate, so that the grinding structure 5 can move back and forth along the direction of the cable to grind the outer surface of the cable in place.

[0055] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic cable grinding machine, comprising two fixed side plates (1), characterized in that: A grinding drive structure (4) is arranged between the two fixed side plates (1), and a ball screw (3) and two fixed shafts (2) are connected between the two fixed side plates (1). The grinding drive structure (4) is sleeved on the ball screw (3) and the two fixed shafts (2) and moves forward and backward through the ball screw (3). A grinding structure (5) is arranged on the grinding drive structure (4). A clamping structure (6) is arranged on the two fixed side plates (1) to clamp the cable. The grinding drive structure (4) comprises a mounting frame (41), a driving motor (42), a driving wheel (43), and a driven wheel (44); the driving motor (42) is fixed to the rear side of the mounting frame (41); the driving wheel (43) is fixed to the front side of the mounting frame (41) and connected to the output end of the driving motor (42); the driven wheel (44) is also fixed to the front side of the mounting frame (41); a transmission belt (48) is provided between the driving wheel (43) and the driven wheel (44); The grinding structure (5) comprises a rotating disk (51), a second driving wheel (52), a second driving motor (53), a grinding belt (54), two second driven wheels (55), and a tensioning adjustment structure (56); the second driving wheel (52) and the two second driven wheels (55) are arranged on the front side of the rotating disk (51); the second driving motor (53) is fixed to the rear end of the rotating disk (51) to drive the second driving wheel (52) to rotate; the tensioning adjustment structure (56) is arranged on the front side of the rotating disk (51); one of the second driven wheels (55) is fixed to the tensioning adjustment structure (56), and the other second driven wheel (55) is fixed to the rotating disk (51); the grinding belt (54) is wound around the outer sides of the second driving wheel (52) and the two second driven wheels (55) to form a triangular shape.

2. The automatic cable grinding machine according to claim 1, characterized in that: A conductive slide rail (46) is also provided on the inner side of the mounting frame (41), and a conductive copper sheet (47) is fixedly provided on one side of the inner side of the conductive slide rail (46). Two conductive contact fingers (57) are also provided on the rear side of the rotating disk (51). The two conductive contact fingers (57) can slide in the conductive slide rail (46), and the two conductive contact fingers (57) are both electrically connected to the second driving motor (53).

3. The automatic cable grinding machine according to claim 2, characterized in that: One of the two conductive contact fingers (57) is always in contact with the conductive copper sheet (47) in the conductive slide rail (46).

4. The automatic cable grinding machine according to claim 1, characterized in that: The tension adjustment structure (56) comprises a rotating shaft (561), a base plate (562), a positioning plate (563), and a mounting plate (564); the rotating shaft (561) is fixed on the rotating disk (51); the base plate (562) and the mounting plate (564) are both rotatably sleeved on the same side of the rotating shaft (561); one of the driven wheels (55) is fixed on one end of the mounting plate (564); the positioning plate (563) is located between the base plate (562) and the mounting plate (564); one end of the positioning plate (563) is fixedly provided with a rotating shaft (5612); one end of the rotating shaft (5612) passes through the mounting plate (564); the mounting plate (564) is provided with a rotating shaft (5612) A groove (565) is provided at the other end of the mounting plate (564), a positioning ball (566) is arranged inside the groove (565), the bottom end of the positioning ball (566) passes through the bottom plate (562), a buckle (569) for fixing the positioning ball (566) is arranged in the groove (565), a plurality of positioning holes (568) corresponding to the positioning balls (566) are provided on the surface of the rotating disk (51), a limiting groove (5610) is provided at the middle position of the mounting plate (564), a limiting rod (5611) is fixedly provided at the position corresponding to the limiting groove (5610) on the positioning plate (563), and the limiting rod (5611) passes through the limiting groove (5610) and reaches the outer end.

5. The automatic cable grinding machine according to claim 4, characterized in that: The tensioning adjustment structure (56) further comprises a guide rail (567) and a limit buckle (5613); the guide rail (567) is kept parallel to the directions of the plurality of positioning holes (568); one end of the base plate (564) and the mounting plate (564) away from the rotating shaft (561) is located in the guide rail (567); the limit buckle (5613) is fixed on the rotating disk (51) to limit the position of the mounting plate (564).

6. The automatic cable grinding machine according to claim 1, characterized in that: The clamping structure (6) comprises two fixed blocks (61), an upper screw rod (62), an adjusting screw rod (63) and two clamping arms (64); the two fixed blocks (61) are fixedly arranged on the outer side of the fixed side plate (1); the two ends of the upper screw rod (62) and the adjusting screw rod (63) are respectively connected to the two fixed blocks (61); one end of the adjusting screw rod (63) passes through the fixed block (61) to the outer end; the centers of the upper screw rod (62) and the adjusting screw rod (63) are connected by belt transmission; and the two clamping arms (64) are threadedly sleeved on the upper screw rod (62) and the adjusting screw rod (63).

7. The automatic cable grinding machine according to claim 1, characterized in that: A driving motor (7) is arranged on the inner side of one of the fixed side plates (1), and the driving motor (7) drives the ball screw (3) to rotate via a belt.

8. The automatic cable grinding machine according to claim 1, characterized in that: The grinding drive structure (4) further comprises a plurality of limiting wheels (45), wherein the plurality of limiting wheels (45) are fixed on the mounting frame (41) and arranged on the outer side of the rotating disk (51).

9. The automatic cable grinding machine according to claim 1, characterized in that: The rotating disk (51) is configured in a disk shape, and a U-shaped opening is provided on the disk body.

10. The automatic cable grinding machine according to claim 1, characterized in that: The mounting frame (41) is provided with a U-shaped opening.

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