Polishing device for belt pulley

Abstract

The utility model relates to the technical field of belt pulley machining, and discloses a polishing device for a belt pulley, a polishing cavity is formed in the front face of a polishing box, and a positioning assembly, a polishing assembly and a dust collecting assembly are arranged in the polishing cavity; the positioning assembly comprises a positioning plate rotationally connected to the inner wall of the polishing box, the front face of the positioning plate is in threaded connection with a positioning column, and a clamping plate is welded to the front face of the positioning column. The polishing assembly comprises a hydraulic rod embedded in the top of the polishing box, and a lifting plate is fixedly installed at the telescopic end of the hydraulic rod. According to the polishing device, in the polishing process, the dish-shaped draught fan is used for exhausting air in the dust collecting box, dust generated by polishing can be sucked into the dust collecting pipe through the dust collecting holes and then filtered in the dust collecting net bag, the purpose of collecting flying dust generated by polishing is achieved through the negative pressure adsorption effect, the dust collecting effect is ensured, and the polishing effect is improved. Dust is prevented from scattering to outside air to cause mess of the processing environment, and the cleanliness of the processing environment is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of pulley processing, and more specifically to a polishing device for a pulley. Background Art

[0002] The pulley is a hub-type part. In order to make the transmission more stable, the side wall of the pulley is provided with embedded grooves along its circumference, and there are several embedded grooves along the axial direction of the pulley. In the tensioned state, the inner wall of the belt is pressed against the outer wall of the pulley. Therefore, when the pulley is in use, in order to avoid excessive wear of the belt due to the roughness of the embedded groove surface of the pulley, a polishing device is required to polish the surface of the pulley.

[0003] After searching, the existing patent (publication number: CN219704599U) discloses a polishing device for a pulley, which, when in use, can effectively fix the pulley between the locking nut and the limiting plate through the cooperation of the limiting plate and the locking nut on the rotating shaft and the cooperation of the spline groove and the spline shaft on the sliding seat, and can also ensure the stability of the rotation of the rotating shaft under the supporting force of the spline groove and the spline shaft; the cooperation of the inclined baffles and the grooves symmetrical on the front and rear sides and the function of the collecting groove can avoid the dust from flying everywhere under the action of the groove during the polishing process, and the dust after being blocked can be effectively collected under the action of the collecting groove, thereby ensuring the cleanliness of the surrounding working environment. However, the inventor found that the prior art has the following problems in the process of realizing the utility model: when the above-mentioned polishing device is in use, when collecting dust, there is a defect of poor collection effect, and it is difficult to avoid the flying of dust, resulting in a large amount of dust flying and overflowing during the polishing process, affecting the cleanliness of the processing environment.

[0004] In view of this, the utility model provides a polishing device for a pulley with good dust collection effect. Utility Model Content

[0005] In order to overcome the above defects of the prior art, the utility model provides a polishing device for a pulley to solve the problems existing in the above background technology.

[0006] The utility model provides the following technical solution: a polishing device for a pulley, comprising a polishing box, a polishing cavity is provided on the front of the polishing box, and a positioning component, a polishing component and a dust collecting component are respectively provided inside the polishing cavity;

[0007] The positioning assembly comprises a positioning plate rotatably connected to the inner wall of the polishing box, a positioning column is threadedly connected to the front of the positioning plate, and a clamping plate is welded to the front of the positioning column;

[0008] The polishing assembly comprises a hydraulic rod embedded in the top of the polishing box, a lifting plate is fixedly installed on the telescopic end of the hydraulic rod, a rectangular seat is welded on the bottom end of the lifting plate, a rectangular sleeve is movably installed on the bottom end of the rectangular seat, and a polishing cotton block matching the shape of the external pulley groove is arranged at the bottom end of the rectangular sleeve;

[0009] The dust collecting assembly includes a dust collecting box fixedly installed on the left side of the polishing box, a dust collecting net bag is arranged on the front of the dust collecting box, a disc-shaped fan is fixedly installed on the top of the dust collecting box, the air inlet end of the disc-shaped fan faces the interior of the dust collecting box, and the top of the dust collecting net bag corresponds to the air inlet end position of the disc-shaped fan, a dust collecting pipe is embedded in the top of the dust collecting box, the inlet end of the dust collecting pipe extends to the surface of the rectangular seat, the surface of the rectangular sleeve is provided with a dust collecting hole extending to the surface of the polishing cotton block, and the dust collecting pipe is connected with the dust collecting hole.

[0010] Furthermore, a reduction motor is fixedly installed on the back of the polishing box, and the output shaft of the reduction motor is fixed to the central axis of the positioning plate.

[0011] Furthermore, the number of the positioning columns and the clamping plates is several, and the diameters of the positioning columns are different, and the diameter of the positioning column is adapted to the inner diameter of the center hole of the external pulley; when targeting different models of pulleys, the purpose of clamping and positioning the pulleys of different models can be achieved by replacing positioning columns of different diameters.

[0012] Furthermore, a limiting slide bar is fixedly installed on the top of the lifting plate, and the limiting slide bar is slidably connected to the top of the polishing box; by providing the limiting slide bar, the stability of the lifting plate during lifting and moving can be improved.

[0013] Furthermore, the front side of the positioning plate is evenly provided with anti-skid grooves; by providing the anti-skid grooves, the stability of the pulley positioning can be improved when the pulley is fixed between the positioning plate and the clamping plate.

[0014] Furthermore, the rectangular sleeve is arranged at the bottom end of the rectangular seat, and the front surface of the rectangular sleeve is threadedly connected with a threaded top screw, and the surface of the rectangular seat is provided with a positioning hole for the threaded top screw to be inserted into; in the process of polishing the pulley, the rectangular seat and the rectangular sleeve are detachably installed through the threaded top screw, and polishing cotton blocks of different shapes can be replaced for different types of pulleys, which can meet the purpose of polishing different types of pulleys and has strong applicability.

[0015] Furthermore, the polishing box is provided with a slag collecting box at the bottom end of the dust collecting chamber; by providing the slag collecting box, the ash with larger particles existing in the polishing process will fall into the slag collecting box after colliding with the inner wall of the polishing box, thereby further achieving the effect of collecting dust.

[0016] Furthermore, a magnet is embedded on the back of the dust collecting net bag, and an iron sheet is fixedly installed on the inner wall of the dust collecting box, and the positions of the magnet and the iron sheet correspond to each other; by arranging the magnet and the iron sheet, the magnetic force can be used to achieve the purpose of magnetic positioning of the dust collecting net bag, and after use, the dust collecting net bag can be directly pulled out and dumped for reuse in subsequent processing.

[0017] Technical effects and advantages of the utility model:

[0018] 1. When the utility model is in use, a positioning column is inserted into the center hole of the pulley, a clamp is used to fix the pulley on the surface of the positioning plate, and then a reduction motor is used to drive the pulley to rotate, and the hydraulic rod is extended to drive the lifting plate to descend, so that the polishing cotton block contacts the groove on the surface of the pulley, thereby achieving the purpose of polishing the pulley. During the polishing process, a disc-shaped fan is used to evacuate the interior of the dust collecting box, so that the dust generated by polishing can be sucked into the dust collecting pipe through the dust collecting hole in a timely and rapid manner, and then filtered inside the dust collecting net bag. The negative pressure adsorption effect is used to achieve the purpose of collecting the dust generated by polishing, thereby ensuring the dust collection effect, preventing dust from being scattered into the external air to cause a dirty processing environment, and ensuring the cleanliness of the processing environment.

[0019] 2. The utility model can achieve the purpose of clamping and positioning pulleys of different models by replacing positioning columns of different diameters for pulleys of different models; the rectangular seat and the rectangular sleeve are detachably installed through threaded top screws, and polishing cotton blocks of different shapes can be replaced for pulleys of different models, thereby meeting the purpose of polishing processing for pulleys of different models, and has strong applicability.

[0020] 3. The utility model can improve the stability of the lifting plate when it is lifted and lowered by setting a limit slide bar; by setting anti-slip grooves, the stability of the pulley positioning can be improved when the pulley is fixed between the positioning plate and the clamping plate; by setting magnets and iron sheets, the magnetic force can be used to achieve the purpose of magnetic positioning of the dust collecting net bag, and after use, the dust collecting net bag can be directly pulled out and dumped conveniently; by setting a slag collecting box, the ash slag with larger particles in the polishing process will fall into the slag collecting box after colliding with the inner wall of the polishing box, thereby further achieving the effect of collecting dust. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a three-dimensional structural schematic diagram of the utility model from perspective 1;

[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from the second viewing angle;

[0023] Figure 3 It is a schematic diagram of the side section structure of the utility model;

[0024] Figure 4 for Figure 1 The enlarged structural diagram at A in the middle;

[0025] Figure 5 This is a schematic diagram of the three-dimensional structure of the dust collecting net bag of the utility model when it is opened;

[0026] Figure 6 It is a schematic diagram of the side section structure of the dust collecting box of the utility model.

[0027] The accompanying drawings are marked as follows: 1. polishing box; 2. positioning plate; 3. positioning column; 4. clamping plate; 5. hydraulic rod; 6. lifting plate; 7. rectangular seat; 8. rectangular sleeve; 9. polishing cotton block; 10. dust collecting box; 11. dust collecting net bag; 12. disc fan; 13. dust collecting pipe; 14. dust collecting hole; 15. reduction motor; 16. limit slide bar; 17. anti-slip pattern; 18. threaded top screw; 19. slag collecting box; 20. magnet; 21. iron sheet. DETAILED DESCRIPTION

[0028] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The polishing device for a pulley involved in the present invention is not limited to the various structures recorded in the following embodiments. All other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0029] Reference Figure 1-6 The utility model provides a polishing device for a pulley, comprising a polishing box 1. A polishing cavity is provided on the front of the polishing box 1. A positioning component, a polishing component and a dust collecting component are respectively arranged inside the polishing cavity.

[0030] The positioning assembly includes a positioning plate 2 rotatably connected to the inner wall of the polishing box 1 . A reduction motor 15 is fixedly installed on the back of the polishing box 1 . The output shaft of the reduction motor 15 is fixed to the central axis of the positioning plate 2 .

[0031] The front side of the positioning plate 2 is threadedly connected with a positioning column 3 , and the front side of the positioning column 3 is welded with a clamping plate 4 .

[0032] When the utility model is in use, the whole device is connected to an external power controller, and the positioning column 3 is inserted into the center hole of the pulley to be polished. Then the positioning column 3 is screwed on the surface of the positioning plate 2, and the clamping plate 4 is used to fix the pulley on the surface of the positioning plate 2 to achieve the purpose of positioning the pulley. Then, the reduction motor 15 is started, and the reduction motor 15 is used to drive the positioning plate 2 to rotate to achieve the effect of driving the pulley to rotate.

[0033] There are several positioning posts 3 and clamping plates 4, and the diameters of the positioning posts 3 are different. The diameter of the positioning posts 3 matches the inner diameter of the center hole of the external pulley.

[0034] When processing pulleys of different types, the purpose of clamping and positioning pulleys of different types can be achieved by replacing the positioning columns 3 with different diameters to make them match the central aperture of the pulley to be processed.

[0035] The front side of the positioning plate 2 is evenly provided with anti-slip grooves 17 .

[0036] By providing the anti-slip grooves 17 , when the pulley is fixed between the positioning plate 2 and the clamping plate 4 , the stability of the pulley positioning can be improved.

[0037] The polishing assembly includes a hydraulic rod 5 embedded in the top of the polishing box 1, the telescopic end of the hydraulic rod 5 is fixedly installed with a lifting plate 6, the bottom end of the lifting plate 6 is welded with a rectangular seat 7, the bottom end of the rectangular seat 7 is movably installed with a rectangular sleeve 8, and the bottom end of the rectangular sleeve 8 is provided with a polishing cotton block 9 that is compatible with the shape of the external pulley groove.

[0038] After the pulley is fixed, the hydraulic rod 5 is started by an external controller, and the lifting plate 6 is driven down by the extension of the hydraulic rod 5, so that the polishing cotton block 9 contacts the groove on the surface of the pulley, and the purpose of polishing the pulley is achieved during the rotation of the pulley.

[0039] A limit slide bar 16 is fixedly installed on the top of the lifting plate 6 , and the limit slide bar 16 is slidably connected to the top of the polishing box 1 .

[0040] By providing the limiting sliding rod 16 , the stability of the lifting plate 6 during lifting and lowering can be improved.

[0041] The rectangular sleeve 8 is sleeved on the bottom end of the rectangular seat 7 , and a threaded top screw 18 is threadedly connected to the front of the rectangular sleeve 8 , and a positioning hole for the threaded top screw 18 to be inserted is opened on the surface of the rectangular seat 7 .

[0042] During the polishing process of the pulley, the rectangular seat 7 and the rectangular sleeve 8 are detachably installed through the threaded top screw 18. For different types of pulleys, the effect of replacing polishing cotton blocks 9 of different shapes can be achieved by replacing different rectangular sleeves 8, which can meet the purpose of polishing pulleys of different types and has strong applicability.

[0043] The dust collecting assembly includes a dust collecting box 10 fixedly installed on the left side of the polishing box 1, a dust collecting net bag 11 is arranged on the front of the dust collecting box 10, a disc-shaped fan 12 is fixedly installed on the top of the dust collecting box 10, the air inlet end of the disc-shaped fan 12 faces the interior of the dust collecting box 10, and the top of the dust collecting net bag 11 corresponds to the air inlet end position of the disc-shaped fan 12, a dust collecting pipe 13 is embedded in the top of the dust collecting box 10, the inlet end of the dust collecting pipe 13 extends to the surface of the rectangular seat 7, the surface of the rectangular sleeve 8 is provided with a dust collecting hole 14 extending to the surface of the polishing cotton block 9, and the dust collecting pipe 13 is connected to the dust collecting hole 14.

[0044] Furthermore, during the polishing process, the disc-shaped fan 12 is used to evacuate the interior of the dust box 10, so that the dust generated by polishing can be sucked into the dust collecting pipe 13 through the dust collecting hole 14, and then filtered and intercepted inside the dust collecting net bag 11. The negative pressure adsorption effect is utilized to achieve the purpose of collecting the dust generated by polishing, thereby ensuring the dust collection effect, preventing dust from being scattered into the external air and causing the processing environment to be dirty, and ensuring the cleanliness of the processing environment.

[0045] The polishing box 1 is provided with a slag collecting box 19 at the bottom end of the dust collecting chamber.

[0046] By providing the slag collecting box 19, the ash with larger particles in the polishing process will fall into the slag collecting box 19 after colliding with the inner wall of the polishing box 1, thereby further achieving the effect of collecting dust.

[0047] A magnet 20 is embedded on the back of the dust collecting net bag 11 , and an iron sheet 21 is fixedly installed on the inner wall of the dust collecting box 10 , and the positions of the magnet 20 and the iron sheet 21 correspond to each other.

[0048] By providing the magnet 20 and the iron sheet 21, the magnetic force can be utilized to achieve the purpose of magnetic positioning of the dust collecting net bag 11, and after use, the dust collecting net bag 11 can be directly pulled out and dumped for reuse in subsequent processing.

[0049] Finally, it should be noted that the drawings of the embodiments disclosed in the present invention only involve structures related to the embodiments disclosed in the present invention, and other structures may refer to the usual design. In the absence of conflict, the same embodiment and different embodiments of the present invention may be combined with each other.

Claims

1. A polishing device for a pulley, comprising a polishing box (1), characterized in that: The polishing box (1) has a polishing cavity on its front side, and a positioning component, a polishing component and a dust collecting component are respectively arranged inside the polishing cavity; The positioning assembly comprises a positioning plate (2) rotatably connected to the inner wall of the polishing box (1), a positioning column (3) is threadedly connected to the front side of the positioning plate (2), and a clamping plate (4) is welded to the front side of the positioning column (3); The polishing assembly comprises a hydraulic rod (5) embedded in the top of the polishing box (1), a lifting plate (6) is fixedly installed at the telescopic end of the hydraulic rod (5), a rectangular seat (7) is welded at the bottom end of the lifting plate (6), a rectangular sleeve (8) is movably installed at the bottom end of the rectangular seat (7), and a polishing cotton block (9) matching the shape of the external pulley groove is arranged at the bottom end of the rectangular sleeve (8); The dust collecting assembly comprises a dust collecting box (10) fixedly mounted on the left side of the polishing box (1), a dust collecting net bag (11) being arranged on the front of the dust collecting box (10), a disc-shaped fan (12) being fixedly mounted on the top of the dust collecting box (10), an air inlet end of the disc-shaped fan (12) facing the interior of the dust collecting box (10), and the top of the dust collecting net bag (11) corresponding to the position of the air inlet end of the disc-shaped fan (12), a dust collecting pipe (13) being embedded on the top of the dust collecting box (10), an inlet end of the dust collecting pipe (13) extending to the surface of the rectangular seat (7), a dust collecting hole (14) extending to the surface of the polishing cotton block (9) being provided on the surface of the rectangular sleeve (8), and the dust collecting pipe (13) being connected to the dust collecting hole (14).

2. A polishing device for a pulley according to claim 1, characterized in that: A reduction motor (15) is fixedly mounted on the back of the polishing box (1), and the output shaft of the reduction motor (15) is fixed to the central axis of the positioning plate (2).

3. A polishing device for a pulley according to claim 1, characterized in that: The number of the positioning columns (3) and the clamping plates (4) is several, and the diameters of the positioning columns (3) are different. The diameter of the positioning columns (3) is matched with the inner diameter of the center hole of the external pulley.

4. A polishing device for a pulley according to claim 1, characterized in that: A limiting slide bar (16) is fixedly mounted on the top of the lifting plate (6), and the limiting slide bar (16) is slidably connected to the top of the polishing box (1).

5. A polishing device for a pulley according to claim 1, characterized in that: The front surface of the positioning plate (2) is evenly provided with anti-slip grooves (17).

6. A polishing device for a pulley according to claim 1, characterized in that: The rectangular sleeve (8) is sleeved on the bottom end of the rectangular seat (7), and the front surface of the rectangular sleeve (8) is threadedly connected with a threaded top screw (18), and the surface of the rectangular seat (7) is provided with a positioning hole for the threaded top screw (18) to be inserted.

7. A polishing device for a pulley according to claim 1, characterized in that: The polishing box (1) is provided with a slag collecting box (19) at the bottom end of the dust collecting chamber.

8. A polishing device for a pulley according to claim 1, characterized in that: A magnet (20) is embedded on the back of the dust collecting net bag (11), and an iron sheet (21) is fixedly installed on the inner wall of the dust collecting box (10), and the positions of the magnet (20) and the iron sheet (21) correspond to each other.

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