Cable insulation layer grinding machine

Abstract

The cable insulation layer grinding machine comprises a supporting base, an abrasive belt grinding assembly and an abrasive belt turnover assembly, an abrasive belt is driven by a grinding driving motor of the abrasive belt grinding assembly to rotate, and meanwhile, the abrasive belt grinding assembly is driven by a turnover driving motor of the abrasive belt turnover assembly to integrally, continuously and circumferentially rotate; and the whole-circle polishing of the cable insulation layer is realized. The polisher is compact in structure, mechanical polishing of the cable insulation layer can be achieved, the labor intensity of operators is greatly reduced, and the production efficiency of terminal cables is improved.

Description

Technical Field

[0001] The invention relates to the technical field of electric power facilities, and in particular to a cable insulation layer grinder. Background Art

[0002] The cable insulation layer needs to be polished during cable terminal assembly, and currently the cable insulation layer is polished manually.

[0003] The existing manual grinding method of cable insulation layer has the following problems: 1) the labor intensity is high and the efficiency is low, 2) the uneven grinding thickness leads to large outer roundness error and affects the terminal assembly sealing performance, 3) the surface cleanliness cannot be guaranteed, affecting the terminal insulation performance. The above problems have become limiting bottlenecks in the terminal cable production process.

[0004] At present, there is no device or technical solution that uses mechanized means to complete the grinding of cable insulation layer. Summary of the invention

[0005] The present application provides a cable insulation layer grinder, which solves or partially solves the technical problems of high labor intensity and low efficiency in the prior art of manual grinding of cable insulation layers; it realizes the mechanical electrification of cable insulation layer grinding, greatly reduces the labor intensity of operators, and improves the production efficiency of terminal cables.

[0006] The present application provides a cable insulation layer grinding machine, comprising: a support base, a sanding belt grinding component and a sanding belt turnover component, wherein:

[0007] The support base includes a bottom plate and an end plate vertically fixed on the bottom plate;

[0008] The belt sanding assembly comprises: a sanding fixed plate, a sanding drive motor, a sanding belt drive wheel, a support idler wheel and a sanding belt, wherein the sanding fixed plate is provided with a cable conveying hole for the cable to pass through; the sanding drive motor is fixed on the sanding fixed plate; the sanding belt drive wheel is connected to the output shaft of the sanding drive motor; the support idler wheel is arranged on the sanding fixed plate; the sanding belt is sleeved on the sanding belt drive wheel and the support idler wheel, and the sanding belt passes through the area where the cable conveying hole is located, so that the sanding belt can sand the cable passing through the cable conveying hole;

[0009] The sanding belt turnover assembly includes: a turnover drive motor, a turnover drive wheel, a turnover synchronous wheel, a turnover synchronous belt, a turnover bearing seat, and a turnover connecting piece. The turnover drive motor is arranged on the end plate; the turnover drive wheel is connected to the output shaft of the turnover drive motor; the seat body of the turnover bearing seat is fixed on the end plate; the turnover synchronous wheel and the turnover connecting piece are coaxially fixed on both sides of the rotor of the turnover bearing seat respectively; the turnover synchronous belt is sleeved on the turnover drive wheel and the turnover synchronous wheel; the turnover connecting piece is provided with a column hole for accommodating the end of the cable; the turnover connecting piece is fixedly connected to the grinding fixing plate so that the column hole is connected to the cable conveying hole.

[0010] Preferably, a bearing platform is provided on the top of the end plate;

[0011] The seat body of the epicyclic bearing seat is fixed on the bearing platform.

[0012] Preferably, it further comprises a center bushing, which is arranged in the column hole; the end of the cable extends into the through hole of the center bushing.

[0013] Preferably, it also includes a cable support bracket, which is fixed on the bottom plate of the support base and located on the outside of the sanding belt; the top of the cable support bracket is set as an arc surface; when sanding, the cable is placed on the top of the cable support bracket.

[0014] Preferably, a transport trolley is further included, and the support base is detachably fixed to the transport trolley.

[0015] Preferably, the abrasive belt grinding assembly further comprises a tensioning wheel, which is arranged on the grinding fixed plate and is located above the abrasive belt driving wheel;

[0016] There are two supporting idler wheels, which are symmetrically arranged above the cable conveying hole;

[0017] The abrasive belt is sleeved on the abrasive belt driving wheel, the two supporting idler wheels and the tensioning wheel;

[0018] The abrasive belt located between the tension wheel and the two supporting idle wheels is V-shaped, and the cable is located in the V-shaped area of ​​the abrasive belt during grinding.

[0019] Preferably, two horizontal oblong holes are arranged on the grinding fixing plate, and the two supporting idler wheels are respectively connected to the grinding fixing plate through adjusting screws; the adjusting screws are arranged in the horizontal oblong holes;

[0020] A vertical oblong hole is arranged on the polishing fixing plate, and the tensioning wheel is connected to the polishing fixing plate through a tensioning screw; the tensioning screw is arranged in the vertical oblong hole;

[0021] The adjusting screw moves in the horizontal oblong hole to increase or decrease the V-shaped angle; the tightening screw moves in the vertical oblong hole to tighten or loosen the abrasive belt.

[0022] Preferably, the turnover connection piece is connected to the polishing and fixing plate via a connecting plate, the connecting plate is provided with a through hole adapted to the shape of the cable conveying hole; the connecting plate is fixed to the polishing and fixing plate via screws.

[0023] As a preferred embodiment, it also includes: a grinding drive power supply, a turnover drive power supply, a wireless grinding switch, a wireless turnover switch and a wireless controller;

[0024] The grinding drive power supply is electrically connected to the wireless grinding switch and the grinding drive motor;

[0025] The turnover drive power supply is electrically connected to the wireless turnover switch and the turnover drive motor;

[0026] The wireless controller is wirelessly connected to the wireless polishing switch and the wireless turnover switch to control the wireless polishing switch and the wireless turnover switch to be closed or opened.

[0027] Preferably, the polishing drive power supply is fixed on the polishing fixed plate; and the turnover drive power supply is fixed on the bottom plate of the supporting base.

[0028] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0029] The cable insulation layer grinding machine of the present application is provided with a supporting base, a sanding belt grinding assembly and a sanding belt turnover assembly structure. The sanding belt itself is driven to rotate by the grinding drive motor of the sanding belt grinding assembly, and the sanding belt grinding assembly is driven to rotate continuously in a circular manner by the turnover drive motor of the sanding belt turnover assembly, so as to achieve the whole circumference grinding of the cable insulation layer. During the grinding process, the operator moves the cable slowly and evenly outward to achieve the whole circumference grinding of the entire section of the cable. The grinding machine has a compact structure, can realize the mechanization of the cable insulation layer grinding, greatly reduce the labor intensity of the operators, and improve the production efficiency of the terminal cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0031] Figure 1A schematic diagram of the structure of a cable insulation layer grinder (cable support bracket omitted) provided in an embodiment of the present application;

[0032] Figure 2 for Figure 1 The main structure diagram of

[0033] Figure 3 for Figure 1 The right view structure diagram of

[0034] Figure 4 for Figure 1 Top view of the structure.

[0035] (The components represented by the reference numerals in the figure are: 1 bottom plate, 2 end plate, 3 grinding fixing plate, 31 cable conveying hole, 32 horizontal oblong hole, 33 vertical oblong hole, 4 sanding belt driving wheel, 5 grinding driving motor, 6 tensioning wheel, 7 supporting idler wheel, 8 sanding belt, 9 turnover synchronous wheel, 10 turnover bearing seat, 11 turnover synchronous belt, 12 transport trolley, 13 turnover driving power supply, 15 cable, 16 grinding driving power supply, 17 turnover driving wheel, 18 cable supporting bracket, 19 turnover connecting piece) DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0037] See attached Figure 1 and 2 The cable insulation layer grinder provided in the present application includes: a supporting base, a sanding belt grinding component and a sanding belt turnover component.

[0038] The support base includes a bottom plate 1 and an end plate 2 vertically fixed on the bottom plate 1; the support base plays the role of installing and supporting the polishing of other components to ensure that other components are firmly installed and precisely matched.

[0039] See attached Figure 3The sanding belt grinding assembly includes: a grinding fixed plate 3, a grinding drive motor 5, a sanding belt driving wheel 4, two supporting idle wheels 7, a tensioning wheel 6 and a sanding belt 8; the tensioning wheel 6 is arranged on the grinding fixed plate 3, and is located above the sanding belt driving wheel 4; there are two supporting idle wheels 7, which are symmetrically arranged above the cable conveying hole 31; the sanding belt 8 is sleeved on the sanding belt driving wheel 4, the two supporting idle wheels 7 and the tensioning wheel 6, and the sanding belt 8 located between the tensioning wheel 6 and the two supporting idle wheels 7 is V-shaped. When grinding, the cable 15 is located in the V-shaped area of ​​the sanding belt 8, and the sanding belt 8 moves to directionally grind the insulation layer of the cable 15.

[0040] See attached Figure 3 , two horizontal oblong holes 32 are set on the grinding fixed plate 3, and two supporting idler wheels 7 are connected to the grinding fixed plate 3 through adjusting screws respectively; the adjusting screws are set in the horizontal oblong holes 32; a vertical oblong hole 33 is set on the grinding fixed plate 3, and the tensioning wheel 6 is connected to the grinding fixed plate 3 through the tensioning screws; the tensioning screws are set in the vertical oblong holes 33; wherein, the adjusting screws move in the horizontal oblong holes 32 to increase or decrease the V-shaped angle, so that the sanding belt 8 can adapt to the grinding of cables with different cross-sectional sizes. When replacing the cable 15, it is only necessary to adjust the angle of the sanding belt 8 to grind the insulation layer of cables of different sizes. It has been verified by production practice that the grinder can well adapt to the cross-sectional size of 50mm 2 , 70mm 2 , 150mm 2 The tensioning screw moves in the vertical oblong hole 33 to tighten or loosen the abrasive belt 8, and can also facilitate the installation and removal of the abrasive belt 8.

[0041] The grinding drive motor 5 is fixed on the grinding fixed plate 3; the sanding belt driving wheel 4 is connected to the output shaft of the grinding drive motor 5; the supporting idler wheel 7 is arranged on the grinding fixed plate 3; the grinding fixed plate 3 is provided with a cable conveying hole 31 for the cable 15 to pass through.

[0042] See attached Figure 3 and 4 The sanding belt turnover assembly includes: a turnover drive motor 8, a turnover drive wheel 17, a turnover synchronous wheel 9, a turnover synchronous belt 11, a turnover bearing seat 10, a turnover connecting piece 19, a center bushing, and a cable support bracket 18. The turnover drive motor 8 is arranged on the end plate 2; the turnover drive wheel 17 is connected to the output shaft of the turnover drive motor 8; a bearing platform is arranged on the top of the end plate 2, and the seat body of the turnover bearing seat 10 is fixed on the bearing platform; the turnover synchronous wheel 9 and the turnover connecting piece 19 are coaxially fixed on both sides of the rotor of the turnover bearing seat 10; the turnover synchronous belt 11 is sleeved on the turnover drive wheel 17 and the turnover synchronous wheel 9.

[0043] The circumferential connecting piece 19 is provided with a column hole for accommodating the end of the cable 15; the circumferential connecting piece 19 is connected to the polishing fixing plate 3 through a connecting plate, and the connecting plate has a through hole adapted to the shape of the cable conveying hole 31; the connecting plate is fixed to the polishing fixing plate 3 by screws so that the column hole is connected to the cable conveying hole 31.

[0044] The center bushing is arranged in the column hole; the end of the cable 15 extends into the through hole of the center bushing. When grinding, the operator needs to slowly move the cable 15 in the through hole. The center bushing supports and limits the internal cable insulation layer to prevent the position of the internal cable insulation layer from changing too much when the cable 15 moves, affecting the grinding accuracy.

[0045] The cable support bracket 18 is fixed on the bottom plate 1 of the support base and is located outside the sanding belt 8; the top of the cable support bracket 18 is set as an arc surface; when grinding, the cable 15 is placed on the top of the cable support bracket 18. When grinding, the operator needs to move the cable 15 slowly, and the cable support bracket 18 supports and limits the external cable insulation layer to prevent the external cable insulation layer from changing too much when the cable 15 moves, affecting the grinding accuracy.

[0046] See attached Figure 1 and 2 The grinder also includes a transport trolley 12, and the support base can be detachably fixed on the transport trolley 12. The grinder is fixed to the transport trolley 12 by screws as a whole, and is transported and stored as a whole. There are two universal wheels and two directional wheels at the bottom of the transport trolley 12, which can be fixed during grinding and loosened during transportation, making transportation and storage more convenient.

[0047] See attached Figure 1 and 2 The grinder also includes: a grinding drive power supply 16, a turnover drive power supply 13, a wireless grinding switch, a wireless turnover switch and a wireless controller; the grinding drive power supply 16 is electrically connected to the wireless grinding switch and the grinding drive motor 5; the turnover drive power supply 13 is electrically connected to the wireless turnover switch and the turnover drive motor 8. The wireless controller is wirelessly connected to the wireless grinding switch and the wireless turnover switch to control the wireless grinding switch and the wireless turnover switch to close or open. The grinding drive power supply 16 is fixed on the grinding fixed plate 3; the turnover drive power supply 8 is fixed on the bottom plate 2 of the support base. The grinding drive power supply 16 and the turnover drive power supply 13 can both use rechargeable lithium batteries; the grinding drive motor 5 and the turnover drive motor 8 can both use brushed DC motors.

[0048] The grinding machine of the present application can replace manual grinding to greatly reduce the labor intensity of operators and improve the production efficiency of terminal cables. At the same time, the grinding machine has a simple structure, small size, and simple operation. It can adapt to the grinding of cables with various cross-sectional sizes and has a wide range of applications.

[0049] The action characteristics of the grinding machine in this application for grinding the cable insulation layer are as follows:

[0050] 1) Before grinding, the operator first inserts the cable insulation layer into the center bushing and puts it into the external cable support bracket 18 to support and limit the cable 15.

[0051] 2) The operator turns on the wireless grinding switch through the wireless controller to start the grinding drive motor 5, and the grinding drive motor 5 drives the sanding belt 8 to start grinding. At the same time, the rotary drive motor 8 drives the sanding belt grinding assembly to rotate, and grinds the cable insulation layer all around.

[0052] 3) During the grinding process, the operator slowly moves the cable 15 outward and grinds the entire length of the cable 15.

[0053] 4) When all cables 15 are pulled out, the cable insulation layer grinder is turned off, the grinding is finished, and the next cable 15 is replaced for grinding.

[0054] 5) When it is necessary to grind cables with different cross-sectional sizes, it is only necessary to replace the center bushing with different apertures and change the position of the adjustment screw in the horizontal oblong hole 32 to change the angle of the sanding belt 8 to adapt to the grinding of cables with different cross-sectional sizes.

[0055] The specific implementation methods described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific implementation method of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A cable insulation layer grinding machine, characterized in that: include: Support base, abrasive belt grinding assembly and abrasive belt turnover assembly, wherein: The support base comprises a bottom plate and an end plate vertically fixed on the bottom plate; The belt sanding assembly comprises: a sanding fixed plate, a sanding drive motor, a sanding belt drive wheel, a support idler wheel and a sanding belt, wherein the sanding fixed plate is provided with a cable conveying hole for the cable to pass through; the sanding drive motor is fixed on the sanding fixed plate; the sanding belt drive wheel is connected to the output shaft of the sanding drive motor; the support idler wheel is arranged on the sanding fixed plate; the sanding belt is sleeved on the sanding belt drive wheel and the support idler wheel, and the sanding belt passes through the area where the cable conveying hole is located, so that the sanding belt can sand the cable passing through the cable conveying hole; The sanding belt turnover assembly includes: a turnover drive motor, a turnover drive wheel, a turnover synchronous wheel, a turnover synchronous belt, a turnover bearing seat, and a turnover connecting piece. The turnover drive motor is arranged on the end plate; the turnover drive wheel is connected to the output shaft of the turnover drive motor; the seat body of the turnover bearing seat is fixed on the end plate; the turnover synchronous wheel and the turnover connecting piece are coaxially fixed on both sides of the rotor of the turnover bearing seat respectively; the turnover synchronous belt is sleeved on the turnover drive wheel and the turnover synchronous wheel; the turnover connecting piece is provided with a column hole for accommodating the end of the cable; the turnover connecting piece is fixedly connected to the grinding fixing plate so that the column hole is connected to the cable conveying hole.

2. The cable insulation layer grinding machine according to claim 1, characterized in that: A bearing platform is arranged on the top of the end plate; The seat body of the epicyclic bearing seat is fixed on the bearing platform.

3. The cable insulation layer grinding machine according to claim 1, characterized in that: It also includes a central bushing, which is arranged in the column hole; the end of the cable extends into the through hole of the central bushing.

4. The cable insulation layer grinding machine according to claim 1, characterized in that: It also includes a cable support bracket, which is fixed on the bottom plate of the support base and is located outside the sanding belt; the top of the cable support bracket is set as an arc surface; when sanding, the cable is placed on the top of the cable support bracket.

5. The cable insulation layer grinding machine according to claim 1, characterized in that: It also includes a transport trolley, and the support base is detachably fixed on the transport trolley.

6. The cable insulation layer grinding machine according to claim 1, characterized in that: The abrasive belt grinding assembly also includes a tensioning wheel, which is arranged on the grinding fixed plate and is located above the abrasive belt driving wheel; There are two supporting idler wheels, which are symmetrically arranged above the cable conveying hole; The abrasive belt is sleeved on the abrasive belt driving wheel, the two supporting idler wheels and the tensioning wheel; The abrasive belt located between the tension wheel and the two supporting idle wheels is V-shaped, and the cable is located in the V-shaped area of ​​the abrasive belt during grinding.

7. The cable insulation layer grinding machine according to claim 6, characterized in that: Two horizontal oblong holes are arranged on the grinding fixing plate, and the two supporting idler wheels are respectively connected to the grinding fixing plate through adjusting screws; the adjusting screws are arranged in the horizontal oblong holes; A vertical oblong hole is arranged on the polishing fixing plate, and the tensioning wheel is connected to the polishing fixing plate through a tensioning screw; the tensioning screw is arranged in the vertical oblong hole; The adjusting screw moves in the horizontal oblong hole to increase or decrease the V-shaped angle; the tightening screw moves in the vertical oblong hole to tighten or loosen the abrasive belt.

8. The cable insulation layer grinding machine according to claim 1, characterized in that: The turnover connection piece is connected to the polishing fixing plate via a connection plate, the connection plate is provided with a through hole adapted to the shape of the cable conveying hole; the connection plate is fixed to the polishing fixing plate via screws.

9. The cable insulation layer grinding machine according to claim 1, characterized in that: Also includes: Grinding drive power supply, turnover drive power supply, wireless grinding switch, wireless turnover switch and wireless controller; The grinding drive power supply is electrically connected to the wireless grinding switch and the grinding drive motor; The turnover drive power supply is electrically connected to the wireless turnover switch and the turnover drive motor; The wireless controller is wirelessly connected to the wireless polishing switch and the wireless turnover switch to control the wireless polishing switch and the wireless turnover switch to be closed or opened.

10. The cable insulation layer grinding machine according to claim 9, characterized in that: The polishing driving power supply is fixed on the polishing fixing plate; and the turnover driving power supply is fixed on the bottom plate of the supporting base.

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