Cable sanding machine

Abstract

The invention relates to the field of cable grinding equipment and discloses a cable sanding machine, comprising a dust suction device and a dust removal shell. The dust removal shell is provided with a connected dust collecting chamber and a grinding chamber. The grinding chamber is provided with a grinding device for grinding cables and an inner wall self-cleaning device for cleaning the inner wall of the dust removal shell. The dust collecting chamber is used to collect dust generated by grinding. The dust suction device is connected to the dust removal shell and is used to suck dust into the dust collecting chamber. The dust collecting chamber is connected with the grinding chamber through a dust ventilation pipe, and an air outlet of the dust ventilation pipe is provided with an anti-backflow gasket for adjusting the size of the air outlet opening. The dust removal shell is provided with a grinding notch connected with the grinding chamber, and the grinding notch is provided corresponding to the grinding device so that the cable can contact the grinding device. The present invention can avoid the overflow of dust and accumulation in the grinding chamber, has higher dust collection efficiency, and can reduce the adverse effects on the environment and workers.

Description

Technical Field

[0001] The invention relates to the field of cable grinding equipment, in particular to a cable sanding machine. Background Art

[0002] High-voltage cables have been used more and more widely because of their advantages such as being good for urban beauty, small footprint and high power supply reliability. This has also led to more frequent cable installations. When installing power cable accessories, the cable surface must be polished. Usually, power cable accessories are installed in narrow cable tunnels or cable joint wells, where air circulation is not as smooth as outdoors. During the polishing process, a lot of dust will be generated and spread throughout the surrounding air, resulting in too much time spent on handling the working environment, which can seriously affect the quality of polishing. At the same time, even if workers wear protective equipment when working in a dusty environment, long hours of work can have a significant impact on their health. Summary of the invention

[0003] The technical problem to be solved by the present invention is: how to reduce the dust overflow problem when grinding the cable surface. In order to solve the above technical problem, the present invention provides a cable sanding machine, including a dust suction device and a dust removal shell, wherein the dust removal shell is provided with a connected dust collecting chamber and a grinding chamber, wherein the grinding chamber is provided with a grinding device for grinding the cable and an inner wall self-cleaning device for cleaning the inner wall of the dust removal shell, wherein the dust collecting chamber is used to collect dust generated by grinding, and the dust suction device is connected to the dust removal shell to suck dust into the dust collecting chamber;

[0004] The dust collecting chamber is connected with the polishing chamber through a dust ventilation pipe, and the air outlet of the dust ventilation pipe is provided with an anti-backflow gasket for adjusting the size of the air outlet opening; the dust removal shell is provided with a polishing notch connected with the polishing chamber, and the polishing notch is arranged corresponding to the polishing device so that the cable can contact the polishing device.

[0005] Preferably, the grinding device includes a grinding motor fixed to the dust removal shell, the output end of the grinding motor is connected to a driving wheel arranged in a grinding chamber, the driving wheel sleeve is provided with a grinding belt, the other end of the grinding belt is provided with a driven wheel rotatably connected to the dust removal shell, and the grinding belt can grind the cable entering the grinding chamber from the grinding notch.

[0006] Preferably, one end of the rotating shaft of the driven wheel passes through the dust removal housing and is connected to a connecting rod and a side handle, and the other end of the connecting rod is fixed to the grinding motor;

[0007] A main handle is fixedly connected to one side of the grinding motor away from the connecting rod. The main handle is provided with a start button, a lock button and a speed adjustment button. The start button, the lock button and the speed adjustment button are all electrically connected to the grinding motor to control the operating state of the grinding motor.

[0008] Preferably, a filling block is fixedly disposed in the grinding chamber, and the filling block is located between the driving wheel and the driven wheel.

[0009] Preferably, the grinding notch is correspondingly arranged below the grinding belt, and an adaptive gasket for fitting with the cable to be ground is provided on the inner side of the grinding notch.

[0010] Preferably, the inner wall self-cleaning device comprises a gear transmission assembly, a reciprocating screw and a cleaning brush assembly; the gear transmission assembly comprises a first bevel gear connected to the driving wheel, the first bevel gear is fixedly connected to the reciprocating screw extending along the length direction of the grinding belt, and the cleaning brush assembly is threadedly connected to the reciprocating screw;

[0011] The cleaning brush assembly comprises a cleaning main board and a telescopic block, wherein the telescopic block is elastically connected to the cleaning main board to avoid cables, and cleaning brushes are arranged on the sides of the cleaning main board and the sides of the telescopic block.

[0012] Preferably, a groove is provided on a side of the cleaning main board facing the polishing notch, an elastic member is provided in the groove, one end of the elastic member abuts against the bottom surface of the groove, and the other end abuts against the telescopic block.

[0013] Preferably, the dust removal shell is provided with an air inlet corresponding to the polishing chamber, for introducing air into the polishing chamber; the dust removal shell is slidably connected with an opening and closing control plate at the air inlet, and the opening and closing control plate is used to adjust and control the opening size of the air inlet.

[0014] Preferably, the dust suction device includes a dust suction shell detachably connected to the dust removal shell, a fan motor is arranged in the dust suction shell, an output end of the fan motor is connected to an exhaust fan, a filtering device is provided on the side of the dust suction shell close to the dust collecting chamber, and an air outlet is provided on the side of the dust suction shell away from the dust collecting chamber.

[0015] Preferably, the anti-back-suction gasket is rotatably connected to the dust ventilation duct, the anti-back-suction gasket is connected to an adjusting rod, the dust removal shell is provided with an adjusting groove corresponding to the adjusting rod, and the adjusting rod slides in the adjusting groove to control the rotation of the anti-back-suction gasket relative to the opening of the dust ventilation duct.

[0016] Compared with the prior art, the cable sanding machine provided in the embodiment of the present invention has the following beneficial effects:

[0017] In the present invention, dust is generated when the grinding device grinds the outer surface of the cable, and the dust suction device can generate a pressure difference between the dust collecting chamber and the grinding chamber, so that the dust generated in the grinding chamber is sucked into the dust collecting chamber, avoiding the overflow of dust, avoiding the impact of dust on the surrounding environment and the impact on the health of the staff; during the grinding process, the inner wall self-cleaning device can continuously clean the inner wall of the dust removal shell to avoid dust adsorption and accumulation in the grinding chamber, so that the dust can be better collected in the dust collecting chamber, and the setting of the grinding notch can reduce the space for dust overflow during the grinding process, so that the dust can be better sucked into the dust collecting chamber by negative pressure without overflowing, and the anti-backflow gasket can adjust the dust in and out, so as to better control the dust entering the dust collecting chamber. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a stereoscopic view of the present invention;

[0019] Figure 2 is a front view of the present invention;

[0020] Figure 3 is a cross-sectional view of the present invention;

[0021] Figure 4 It is a structural schematic diagram of the opening and closing control piece of the present invention;

[0022] Figure 5 It is a schematic structural diagram of the grinding device of the present invention;

[0023] Figure 6 is a schematic structural diagram of the gear transmission assembly of the present invention;

[0024] Figure 7 It is a structural schematic diagram of the cleaning brush assembly of the present invention.

[0025] In the figure: 1, dust removal housing; 11, dust collection chamber; 12, grinding chamber; 13, main housing; 14, dustproof back plate; 15, grinding notch; 16, filling block; 17, adaptive gasket; 18, air inlet; 19, opening and closing control plate; 191, limit slide; 192, limit screw;

[0026] 2. Dust collection device; 21. Dust collection housing; 22. Fan motor; 23. Exhaust fan; 24. Filter device; 25. Air outlet;

[0027] 3. Grinding device; 31. Grinding motor; 32. Driving wheel; 33. Grinding belt; 34. Driven wheel; 35. Connecting rod; 36. Side handle; 37. Main handle; 38. Start button; 39. Lock button; 30. Speed ​​adjustment button;

[0028] 4. Inner wall self-cleaning device; 41. Gear transmission assembly; 411. First bevel gear; 412. First single-tooth gear; 413. First full-tooth gear; 414. Second single-tooth gear; 415. Second full-tooth gear; 416. Second bevel gear; 42. Reciprocating screw; 43. Guide rod; 44. Cleaning brush assembly; 441. Cleaning main board; 442. Groove; 443. Telescopic block; 444. Elastic member; 445. Cleaning brush;

[0029] 5. Dust ventilation duct; 51. Anti-backflow gasket; 52. Adjustment rod; 53. Adjustment slide. DETAILED DESCRIPTION

[0030] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0031] like Figures 1 to 3 As shown, a preferred embodiment of the present invention provides a cable sanding machine, which includes a dust suction device 2 and a dust removal shell 1, wherein the dust removal shell 1 is provided with a dust collecting chamber 11 and a grinding chamber 12 which are connected to each other, wherein the grinding chamber 12 is provided with a grinding device 3 for grinding the cable and an inner wall self-cleaning device 4 for cleaning the inner wall of the dust removal shell 1, wherein the dust collecting chamber 11 is used to collect dust generated by grinding, and the dust suction device 2 is connected to the dust removal shell 1 to suck dust into the dust collecting chamber 11;

[0032] The dust collecting chamber 11 is connected with the grinding chamber 12 through the dust ventilation pipe 5. The air outlet of the dust ventilation pipe 5 is provided with an anti-backflow gasket 51 for adjusting the size of the air outlet opening; the dust removal shell 1 is provided with a grinding notch 15 connected with the grinding chamber 12. The grinding notch 15 is arranged corresponding to the grinding device 3 so that the cable can contact the grinding device 3.

[0033] Specifically, when the cable surface is polished, the cable is first inserted into the polishing notch 15 so that the cable can contact the polishing device 3, and then the polishing device 3 is started to polish the outer surface of the cable. During this process, a large amount of dust will be generated at the cable. There is no good way to deal with this dust in the traditional solution. The dust escapes in the surrounding small space, which not only pollutes the surrounding environment, but also has an adverse effect on the health of the staff. In the present embodiment, when the grinding device 3 is grinding, the dust suction device 2 is also started at the same time. The dust suction device 2 can continuously suck the air in the dust removal shell 1 to the outside, and the dust suction device 2 is connected to one side of the dust collecting chamber 11 of the dust removal shell 1. Under the suction of the dust suction device 2, the air in the dust collecting chamber 11 is first sucked out, and a negative pressure environment is created in the dust collecting chamber 11, so that a pressure difference occurs between the dust collecting chamber 11 and the grinding chamber 12, and the air in the grinding chamber 12 is sucked into the dust collecting chamber 11, and the dust in the grinding chamber 12 is also sucked into the dust collecting chamber 11 through the dust ventilation pipe 5 for accumulation, waiting for subsequent processing, thereby avoiding the overflow of dust as much as possible and reducing the impact of dust on the surrounding environment and the health of workers during the grinding process. Among them, the setting of the anti-backflow gasket 51 can adjust the size of the air outlet of the dust ventilation pipe 5 according to the suction power of the motor and the amount of dust, so as to control the amount of dust entering the dust collecting chamber 11, so that the dust can enter the dust collecting chamber 11 more smoothly, and at the same time, it can also prevent the dust in the dust collecting chamber 11 from flowing back into the grinding chamber 12 and causing dust leakage. In addition, the grinding notch 15 is adapted to the outer surface of the cable, which can better reduce the probability of dust overflow, and the dust can be better sucked into the dust collecting chamber 11.

[0034] Furthermore, the cross-sectional area of ​​the air inlet of the dust ventilation duct 5 close to the grinding chamber 12 is larger, while the cross-sectional area of ​​the air outlet close to the dust collecting chamber 11 is smaller, and the cross-sectional area of ​​the middle part of the dust ventilation duct 5 is also smaller than the cross-sectional area of ​​the air outlet of the dust ventilation duct 5. The cross-sectional shape of the dust ventilation duct 5 is large at both ends and small in the middle. This structure can better utilize the negative pressure adsorption principle and gas flow law to suck the dust generated in the grinding chamber 12 into the dust collecting chamber 11.

[0035] In some embodiments, the grinding device 3 includes a grinding motor 31 fixed to the dust removal shell 1, and the output end of the grinding motor 31 is connected to a driving wheel 32 arranged in the grinding chamber 12, the driving wheel 32 is provided with a grinding belt 33, and the other end of the grinding belt 33 is provided with a driven wheel 34 rotatably connected to the dust removal shell 1, and the grinding belt 33 can grind the cable entering the grinding chamber 12 from the grinding notch 15.

[0036] Specifically, the grinding motor 31 drives the driving wheel 32 to rotate, and the driving wheel 32 drives the grinding belt 33 and the driven wheel 34 to rotate, and the grinding belt 33 contacts the cable to grind the cable. According to the different output power of the grinding motor 31, the rotation speed of the grinding belt 33 is different, and the grinding efficiency of the cable is naturally different, which can be adjusted according to actual needs.

[0037] In some embodiments, one end of the rotating shaft of the driven wheel 34 passes through the dust removal housing 1 and is connected to a connecting rod 35 and a side handle, and the other end of the connecting rod 35 is fixed to the grinding motor 31;

[0038] A main handle 37 is fixedly connected to one side of the grinding motor 31 away from the connecting rod 35. The main handle 37 is provided with a start button 38, a lock button 39 and a speed adjustment button 30. The start button 38, the lock button 39 and the speed adjustment button 30 are all electrically connected to the grinding motor 31 to control the operating state of the grinding motor 31.

[0039] Specifically, in a specific embodiment, the grinding device 3 also includes a mounting plate, a grinding motor 31 is fixed on one side of the mounting plate, and a driving wheel 32 is provided on the other side. The mounting plate is fixedly connected to the dust removal housing, and one end of the connecting rod 35 is connected to the rotating shaft of the driven wheel 34, and the other end is connected to the mounting plate. The connecting rod 35 can connect the driven wheel 34 with the grinding motor 31 and the driving wheel 32 into an integral structure, which is convenient for subsequent installation and positioning. The setting of the side handle 36 is convenient for the subsequent use process, so that the staff can better hold the entire device to complete the grinding work, thereby improving the workers' grinding efficiency. Of course, in some other embodiments, one end of the connecting rod 35 can also be directly connected to the housing of the grinding motor 31, and the setting of the mounting plate is not necessary.

[0040] Furthermore, in another specific embodiment based on the above embodiment, the connecting rod member 35 includes a first connecting rod and a second connecting rod, one end of the first connecting rod is connected to the driven wheel 34, and the other end is rotatably connected to the end of the second connecting rod, and the other end of the second connecting rod is connected to the mounting plate. Under this structure, the grinding device 3 can actually be adapted to the use of dust removal shells 1 of more different sizes, so as to meet more usage requirements, and it is also convenient for the installation and sleeve of the grinding belt 33, and it is convenient for the installation and disassembly of the entire equipment.

[0041] Furthermore, the combination of the main handle 37 and the side handle 36 makes it easier for the staff to hold the entire equipment, which is convenient for the subsequent grinding work, and the work efficiency is higher and more labor-saving; the start button 38 is used to start the grinding motor 31 and the dust suction device 2, and the lock button 39 can lock the working state of the grinding motor 31 during grinding, freeing the worker's fingers so that the worker does not have to press the start button 38 all the time to ensure the continuous operation of the grinding motor 31, and can also avoid accidents caused by accidentally touching the start button 38 in the non-grinding state, and the speed control button 30 can be used to adjust the output efficiency of the grinding motor 31, thereby adjusting the grinding efficiency of the grinding belt 33, so as to meet different grinding needs.

[0042] In some embodiments, the grinding chamber 12 is in the shape of a circular groove, and a filling block 16 is fixedly disposed in the grinding chamber 12 . The filling block 16 is located between the driving wheel 32 and the driven wheel 34 .

[0043] Specifically, the circular groove type grinding chamber 12 is mainly designed to fit the grinding belt 33 in the grinding device 3, and has better adaptability and is more convenient for installation and use of the grinding device 3. The setting of the filling block 16 can effectively compress the internal space of the grinding chamber 12, thereby improving the dust collection efficiency, so that the dust collection device 2 can suck more dust into the dust collection chamber 11 under the same power.

[0044] Further, in a specific embodiment, the dust removal housing 1 includes a dustproof back plate 14 and a main housing 13 which are fixedly connected. The shape of the dustproof back plate 14 corresponds to the shape of the grinding chamber 12. The dustproof back plate 14 and the main housing 13 are fastened and fixed to form a complete grinding chamber 12, and a grinding notch 15 is provided at the bottom of the main housing 13. The grinding motor 31, the mounting plate, the connecting rod 35 and the filling block 16 are all fixed to the dustproof back plate 14 by means of screws and other structures, and the rotating shafts of the driving wheel 32 and the driven wheel 34 are also arranged on the dustproof back plate 14, and the rear dustproof back plate 14 is fixedly connected to the main housing 13 by screws and nuts. The arrangement of the dustproof back plate 14 and the main housing 13 makes the installation and disassembly of the entire device structure more convenient and quick, and also facilitates the subsequent maintenance, adjustment and replacement of the internal structure by the staff.

[0045] In some embodiments, the grinding notch 15 is correspondingly arranged below the grinding belt 33 , and an adaptive gasket 17 for fitting with the cable to be ground is arranged inside the grinding notch 15 .

[0046] Specifically, the adaptive gasket 17 uses soft and wear-resistant materials, such as rubber and other soft materials. The adaptive gasket 17 can fit well with the cable. On the one hand, it can play a certain sealing effect to prevent dust from overflowing, so that the dust can be better sucked into the dust collecting chamber 11. On the other hand, it can also prevent the dust removal shell 1 from colliding with the cable, causing rigid contact and damaging the surface structure of the cable, thereby ensuring that the grinding effect is not destroyed.

[0047] like Figure 5 As shown, in some embodiments, the inner wall self-cleaning device 4 includes a gear transmission assembly 41, a reciprocating screw 42 and a cleaning brush assembly 44; the gear transmission assembly 41 includes a first bevel gear 411 that is transmission-connected to the driving wheel 32, the first bevel gear 411 is fixedly connected to the reciprocating screw 42 extending along the length direction of the grinding belt 33, and the cleaning brush assembly 44 is threadedly connected to the reciprocating screw 42;

[0048] The cleaning brush assembly 44 includes a cleaning main board 441 and a telescopic block 443 . The telescopic block 443 is elastically connected to the cleaning main board 441 to avoid cables. Cleaning brushes 445 are provided on the sides of the cleaning main board 441 and the sides of the telescopic block 443 .

[0049] Furthermore, a groove 442 is provided on one side of the cleaning main board 441 facing the grinding notch 15 , and an elastic member 444 is provided in the groove 442 . One end of the elastic member 444 abuts against the bottom surface of the groove 442 , and the other end abuts against the telescopic block 443 .

[0050] Specifically, when the grinding device 3 is working, in addition to the dust suction device 2 being started at the same time to suck the dust in the grinding chamber 12 into the dust collecting chamber 11, part of the dust generated by the grinding device 3 will also be adsorbed on the inner wall of the grinding chamber 12. Over time, this part of the dust will accumulate more and more. On the one hand, these dusts will affect the normal operation of the grinding device 3 and the efficiency of grinding. On the other hand, when subjected to external vibrations, the dusts are also easy to escape through the grinding notch 15 and other places, polluting the surrounding environment and affecting the health of the staff. In this embodiment, when the grinding motor 31 drives the driving wheel 32 to rotate, the driving wheel 32 will drive the first bevel gear 411 in the gear transmission assembly 41 to rotate, and then drive the reciprocating screw 42 to rotate through the gear rotating assembly, and finally drive the cleaning brush assembly 44 to reciprocate in the grinding chamber 12, continuously clean the inner wall of the grinding chamber 12, and avoid dust accumulation in the grinding chamber 12.

[0051] like Figure 7As shown, in particular, a guide rod 43 is further provided in the grinding chamber 12, and the axis of the guide rod 43 is parallel to the axis of the reciprocating screw 42, and a cleaning brush assembly 44 is slidably connected to the guide rod 43; the cleaning brush assembly 44 includes a cleaning main board 441, and brushes for cleaning are provided on three sides of the cleaning main board 441, but a telescopic block 443 is provided on the side of the cleaning main board 441 facing the grinding notch 15, and a cleaning brush 445 is provided on the side of the telescopic block 443 facing the grinding notch 15. In the conventional scheme, a rigid structure is used, and the cleaning brush assembly 44 will collide with the cable being polished during the reciprocating motion, seriously affecting the normal progress of the polishing and cleaning work. In this embodiment, the side of the cleaning main board 441 facing the polishing notch 15 is connected to the telescopic block 443 through an elastic member 444. When the cleaning main board 441 is in the process of reciprocating cleaning, the brush on the telescopic block 443 hits the cable. Under the pressure of the cable, the telescopic block 443 will move upward to squeeze the elastic member 444 and shrink into the groove 442, avoiding direct collision with the cable. The movement of the cleaning brush assembly 44 in the polishing chamber 12 is smoother and unobstructed. At the same time, the brush on the telescopic block 443 can also clean the dust on the cable. The elastic member 444 can be a plurality of sets of springs, or a soft, elastic rubber layer or other structure.

[0052] like Figure 6 As shown, further, the gear transmission assembly 41 includes a first single-tooth gear 412, a first full-tooth gear 413, a second single-tooth gear 414, a second full-tooth gear 415 and a second bevel gear 416 in addition to the first bevel gear 411 fixedly connected to the reciprocating screw 42. The specific connection transmission structure is as follows: the first single-tooth gear 412 is coaxially connected to the driving wheel 32, and the driving wheel 32 drives the first single-tooth gear 412 to rotate, and the first single-tooth gear 412 is meshed with the first full-tooth gear 413 to drive the first full-tooth gear 414 to rotate. The wheel 413 rotates; the second single-tooth gear 414 is coaxially fixed with the first full-tooth gear 413, and the second single-tooth gear 414 is meshed with the second full-tooth gear 415 to drive the second full-tooth gear 415 to rotate; the second bevel gear 416 is coaxially fixed with the second full-tooth gear 415, and the second bevel gear 416 is meshed with the first bevel gear 411, and the second full-tooth gear 415 drives the first bevel gear 411 to rotate through the second bevel gear 416, thereby driving the reciprocating screw 42 to rotate, and driving the cleaning mainboard 441 to reciprocate.

[0053] In a specific embodiment, the first single-tooth gear 412 is meshed with the first full-tooth gear 413 to achieve a reduction ratio of 1:30, the second single-tooth gear 414 is fixedly rotated with the first full-tooth gear 413, and the second single-tooth gear 414 is meshed with the second full-tooth gear 415 to achieve a reduction ratio of 1:40. Combined with the rotation speed of the driving wheel 32, a reduction ratio of 1:1200 can be achieved, thereby meeting the reciprocating speed requirement of the cleaning brush assembly 44, so that the reciprocating speed of the cleaning brush 445 will not be too high.

[0054] like Figure 4 As shown, in some embodiments, the dust removal shell 1 is provided with an air inlet 18 corresponding to the polishing chamber 12, which is used to introduce air into the polishing chamber 12; the dust removal shell 1 is slidably connected to the air inlet 18 with an opening and closing control plate 19, and the opening and closing control plate 19 is used to adjust the opening size of the air inlet 18.

[0055] Specifically, when the dust suction device 2 is sucking the dust in the grinding chamber 12, the outside air can also enter the grinding chamber 12 through the air inlet 18, ensuring that the negative pressure dust adsorption work can continue. In the actual working process, the size of the air inlet 18 can be adjusted by sliding the opening and closing control plate 19, thereby adjusting the amount of air that can enter the grinding chamber 12 per unit time, controlling the gas flow rate, and making the dust suction process more efficient and smooth.

[0056] Among them, in a specific embodiment, the outer wall of the dust removal shell is provided with two relatively set slide grooves, and the opening and closing control plate 19 is slidably set in the two limit slide grooves 191. At the same time, the opening and closing control plate 19 is also connected to two limit screws 192. The displacement of the opening and closing control plate 19 can be controlled by the two limit screws 192, so that after the opening and closing control plate 19 is adjusted, it can ensure the stability of its own position, thereby ensuring the stability of the size of the air inlet 18 after adjustment.

[0057] In some embodiments, the dust collection device 2 includes a dust collection shell 21 detachably connected to the dust removal shell 1, a fan motor 22 is arranged in the dust collection shell 21, an output end of the fan motor 22 is connected to an exhaust fan 23, a filter device 24 is provided on the side of the dust collection shell 21 close to the dust collecting chamber 11, and an air outlet 25 is provided on the side of the dust collection shell 21 away from the dust collecting chamber 11.

[0058] Specifically, the fan motor 22 drives the exhaust fan 23 to rotate and continuously discharge the air in the dust collecting chamber 11 and the polishing chamber 12, thereby creating a pressure difference between the dust collecting chamber 11 and the polishing chamber 12, and all the dust in the polishing chamber 12 is sucked into the dust collecting chamber 11. The setting of the filter device 24 can prevent the dust in the dust collecting chamber 11 from entering the dust collection shell 21 and causing damage to the fan motor 22. When the dust in the dust collecting chamber 11 accumulates to a preset amount, the dust collection device 2 can be removed from the dust removal shell 1, and the dust in the dust collecting chamber 11 can be poured out and disposed of.

[0059] In some embodiments, the anti-back-suction gasket 51 is rotatably connected to the dust ventilation duct 5, and the anti-back-suction gasket 51 is connected to an adjusting rod 52. The dust removal shell 1 is provided with an adjusting groove 53 corresponding to the adjusting rod 52. The adjusting rod 52 slides in the adjusting groove 53 to control the rotation of the anti-back-suction gasket 51 relative to the opening of the dust ventilation duct 5.

[0060] Specifically, in the present embodiment, the bottom of the anti-back-suction gasket 51 is rotatably connected to the bottom of the dust ventilation pipe 5. When the amount of dust is small, the adjusting rod 52 can be turned to make the anti-back-suction gasket 51 close to the dust ventilation pipe 5, thereby reducing the size of the air outlet cross-sectional area at the outlet of the dust ventilation pipe 5, increasing the gas flow rate, and being able to better suck the dust in the grinding chamber 12. When the amount of dust is large, the adjusting rod 52 can be turned to make the anti-back-suction gasket 51 away from the dust ventilation pipe 5. The air outlet cross-sectional area at the outlet of the dust ventilation pipe 5 is larger, which can meet the larger flow demand, so that more dust can be sucked into the dust collecting chamber 11, and the suction efficiency is higher.

[0061] Furthermore, in another embodiment, the rotation axis of the anti-back-suction gasket 51 can be approximately parallel to the direction of air outlet, and the anti-back-suction gasket 51 covers the air outlet of the dust ventilation duct 5. The anti-back-suction gasket 51 is rotated by turning the adjusting rod 52, thereby changing the area of ​​the dust clearance duct blocked by the anti-back-suction gasket 51, thereby adjusting the flow rate of the gas. In this embodiment, the turning and rotation of the adjusting rod 52 is no longer a forward and backward push, but a rotation around the axis of the dust collecting chamber 11.

[0062] In summary, the embodiment of the present invention provides a cable sanding machine, and its working principle is as follows: when grinding the cable, first insert the cable into the grinding notch 15 to make the cable contact with the grinding belt 33, and then start the grinding motor 31 and the fan motor 22 through the start button 38, the grinding motor 31 drives the driving wheel 32, the driven wheel 34 and the grinding belt 33 to rotate, and the grinding belt 33 can grind the current, and the output power of the grinding motor 31 can be adjusted by the speed control button 30 to adjust the grinding efficiency and effect, and the locking button 39 can lock the grinding motor 31 so that the grinding motor 31 continues to run; when grinding the cable While grinding, the fan motor 22 drives the exhaust fan 23 to continuously discharge the gas in the dust collecting chamber 11 to the outside, thereby sucking the dust generated in the grinding chamber 12 into the dust collecting chamber 11 for accumulation through the principle of negative pressure adsorption; in addition, when grinding the cable, the driving wheel 32 will also drive the first single-tooth gear 412 to rotate, and drive the first bevel gear 411 and the reciprocating screw 42 to rotate through a series of reduction gears, and the reciprocating screw 42 drives the cleaning main board 441 to reciprocate in the grinding chamber 12 to clean the inner wall of the grinding chamber 12, avoid dust accumulation in the grinding chamber 12, and improve the dust collection efficiency and effect. Among them, the opening and closing control plate 19 and the anti-backflow gasket 51 can well control the gas flow rate and flow field in the grinding chamber 12 and the dust collecting chamber 11, so as to further improve the dust collection efficiency, and the adaptive gasket 17 can protect the cable to avoid damage to the cable after grinding, and the setting of the adaptive gasket 17 also enables the device to adapt to the grinding needs of more cables of different specifications.

[0063] The present invention improves the dust collection efficiency, reduces the problem of large-scale dust overflow, avoids the damage of dust overflow to the surrounding environment and the impact on the health of workers, and the provision of the inner wall self-cleaning device 4 eliminates the trouble of manual disassembly and cleaning of the interior of the equipment, thereby extending the service life of the equipment and saving time and effort.

[0064] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the scope of protection of the present invention.

Claims

1. A cable sanding machine, characterized in that: It comprises a dust collecting device and a dust removal shell, wherein the dust removal shell is provided with a connected dust collecting chamber and a grinding chamber, wherein the grinding chamber is provided with a grinding device for grinding the cable and an inner wall self-cleaning device for cleaning the inner wall of the dust removal shell, wherein the dust collecting chamber is used to collect dust generated by grinding, and the dust collecting device is connected to the dust removal shell to suck dust into the dust collecting chamber; The dust collecting chamber is connected to the grinding chamber through a dust ventilation pipe, and the air outlet of the dust ventilation pipe is provided with an anti-backflow gasket for adjusting the opening size of the air outlet; the dust removal shell is provided with a grinding notch connected to the grinding chamber, and the grinding notch is arranged corresponding to the grinding device so that the cable can contact the grinding device; The grinding device comprises a grinding motor fixed to the dust removal housing, the output end of the grinding motor is connected to a driving wheel arranged in a grinding chamber, the driving wheel sleeve is provided with a grinding belt, the other end of the grinding belt sleeve is provided with a driven wheel rotatably connected to the dust removal housing, and the grinding belt can grind the cable entering the grinding chamber from the grinding notch; The inner wall self-cleaning device comprises a gear transmission assembly, a reciprocating screw and a cleaning brush assembly; the gear transmission assembly comprises a first bevel gear connected to the driving wheel, the first bevel gear is fixedly connected to the reciprocating screw extending along the length direction of the grinding belt, and the cleaning brush assembly is threadedly connected to the reciprocating screw; The cleaning brush assembly comprises a cleaning main board and a telescopic block, wherein the telescopic block is elastically connected to the cleaning main board to avoid the cable, and cleaning brushes are arranged on the sides of the cleaning main board and the sides of the telescopic block; A groove is provided on one side of the cleaning main board facing the polishing notch, an elastic member is provided in the groove, one end of the elastic member abuts against the bottom surface of the groove, and the other end abuts against the telescopic block; The gear transmission assembly comprises a first single-tooth gear, a first full-tooth gear, a second single-tooth gear, a second full-tooth gear and a second bevel gear, wherein the first single-tooth gear is coaxially connected to the driving wheel and meshes with the first full-tooth gear; The second single-tooth gear is coaxially fixedly arranged with the first full-tooth gear and meshes with the second full-tooth gear; the second bevel gear is coaxially fixedly arranged with the second full-tooth gear and meshes with the first bevel gear.

2. The cable sanding machine according to claim 1, characterized in that: One end of the rotating shaft of the driven wheel passes through the dust removal housing and is connected to a connecting rod and a side handle, and the other end of the connecting rod is fixed to the grinding motor; A main handle is fixedly connected to one side of the grinding motor away from the connecting rod. The main handle is provided with a start button, a lock button and a speed adjustment button. The start button, the lock button and the speed adjustment button are all electrically connected to the grinding motor to control the operating state of the grinding motor.

3. The cable sanding machine according to claim 1, characterized in that: A filling block is fixedly arranged in the grinding chamber, and the filling block is located between the driving wheel and the driven wheel.

4. The cable sanding machine according to claim 1, characterized in that: The grinding notch is correspondingly arranged below the grinding belt, and an adaptive gasket for fitting with the cable to be ground is arranged on the inner side of the grinding notch.

5. The cable sanding machine according to claim 1, characterized in that: The dust removal shell is provided with an air inlet corresponding to the polishing chamber, which is used to introduce air into the polishing chamber; the dust removal shell is slidably connected with an opening and closing control plate at the air inlet, and the opening and closing control plate is used to adjust and control the opening size of the air inlet.

6. The cable sanding machine according to claim 1, characterized in that: The dust suction device includes a dust suction shell detachably connected to the dust removal shell, a fan motor is arranged in the dust suction shell, an output end of the fan motor is connected to an exhaust fan, a filtering device is arranged on a side of the dust suction shell close to the dust collecting chamber, and an air outlet is arranged on a side of the dust suction shell away from the dust collecting chamber.

7. The cable sanding machine according to claim 1, characterized in that: The anti-back-suction gasket is rotatably connected to the dust ventilation pipe, and the anti-back-suction gasket is connected to an adjusting rod. The dust removal shell is provided with an adjusting groove corresponding to the adjusting rod. The adjusting rod slides in the adjusting groove to control the rotation of the anti-back-suction gasket relative to the opening of the dust ventilation pipe.

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