Crankshaft journal polishing tool

Abstract

The utility model relates to a crankshaft journal grinding tool which comprises a bottom plate. The two supporting frames are oppositely arranged, and limiting spaces used for containing the two ends of a crankshaft are formed in the supporting frames; the sliding plate is connected to the bottom plate in a sliding manner; the multiple clamping pieces are connected to the sliding plate in a sliding mode; the crankshaft grinding device comprises a supporting frame and a clamping piece, a lifting frame is arranged on the supporting frame, a winding device is slidably connected to the lifting frame, the winding device is connected with a mounting frame, the mounting frame is connected with a grinding device body, the grinding device body comprises a grinding piece and a rotating frame, the grinding piece is connected with the rotating frame, and the rotating frame is rotationally connected to the mounting frame. And then the rotating frame provided with the grinding piece is arranged on the crankshaft journal in a sleeving mode, the grinding piece rotates around the crankshaft journal by rotating the rotating frame, the crankshaft journal is evenly ground, and therefore the efficiency of rotary grinding of the grinding piece is higher than that of manual grinding.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of crankshaft manufacturing, and particularly relates to a crankshaft journal polishing tool. BACKGROUND

[0002] After the production of a crankshaft, a professional polishing machine is used to polish the crankshaft, so as to improve the size precision, optimize the surface quality and prolong the service life, and the main polishing part is the crankshaft journal.

[0003] In the prior art, the crankshaft journal is directly polished by a worker using a polishing machine. When the crankshaft blank is polished, the crankshaft cannot be moved after being fixed. Therefore, the local area to be polished is small during polishing. Such an operation mode is simple, but the work efficiency is low, the polishing efficiency is poor, and a large amount of manpower and material resources are wasted. SUMMARY

[0004] The present application provides a crankshaft journal polishing tool to solve the problem of low polishing efficiency in the related art.

[0005] In a first aspect, a crankshaft journal polishing tool is provided, which comprises:

[0006] a bottom plate;

[0007] two support frames, the two support frames being oppositely arranged, and a limiting space for placing two ends of a crankshaft being formed on the support frames;

[0008] a sliding plate, which is slidingly connected to the bottom plate;

[0009] a plurality of clamping pieces, which are slidingly connected to the sliding plate;

[0010] a hanger, a winding device being slidingly connected to the hanger, the winding device being connected with a mounting frame, the mounting frame being connected with a polishing device, the polishing device comprising a polishing piece and a rotating frame, the polishing piece being connected with the rotating frame, and the rotating frame being rotationally connected to the mounting frame.

[0011] In some embodiments, the polishing device further comprises a lifting ring, the lifting ring being annularly arranged outside the rotating frame, and the lifting ring comprising a fixed ring and a rotating ring.

[0012] The fixed ring is connected with the mounting frame, one end of the rotating ring is hingedly connected with one end of the fixed ring, and the other end of the fixed ring is fixedly connected with the other end of the rotating ring.

[0013] In some embodiments, the rotating frame comprises a matching ring and a mounting ring.

[0014] The matching ring and the mounting ring can be spliced into a ring shape, the mounting ring is provided with a slot, the polishing piece bottom is provided with an insert, and the insert can be inserted into the slot.

[0015] In some embodiments, the polishing device further comprises a motor, a driving wheel, and a matching wheel.

[0016] The motor is connected to the hanger, the motor output end is connected to the driving wheel, the matching wheel is connected to the rotating frame, and the driving wheel can drive the matching wheel to rotate.

[0017] In some embodiments, the clamping piece comprises a clamping plate, a lifting block, and a column.

[0018] The column is slidingly connected to the bottom plate, the clamping plate is slidingly connected to the lifting block, and the lifting block is slidingly connected to the column.

[0019] In some embodiments, the support frame is provided with a placing groove, the opening direction of the placing groove is away from the bottom plate, and the cross section of the placing groove gradually increases in the opening direction of the placing groove.

[0020] In some embodiments, the bottom plate is provided with a screw rod, the bottom plate is rotationally connected to the screw rod, the screw rod passes through the sliding plate, and the screw rod cooperates with the sliding plate.

[0021] The crankshaft journal polishing tool provided by the embodiment of the present application has the advantages that the crankshaft is positioned by the support frame and the clamping piece, then the rotating frame provided with the polishing piece is sleeved on the crankshaft journal, the polishing piece is rotated around the crankshaft journal by rotating the rotating frame, and the crankshaft journal is uniformly polished, so that the polishing piece rotation polishing is more efficient than manual polishing. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0023] Figure 1 The structural schematic diagram provided by the embodiment of the present application is provided.

[0024] Figure 2 The structural schematic diagram provided by the embodiment of the present application is provided.

[0025] Figure 3 The structural schematic diagram provided by the embodiment of the present application is provided.

[0026] Figure 4A structural schematic diagram provided for the embodiment of the application;

[0027] Figure 5 A structural schematic diagram provided for the embodiment of the application.

[0028] In the figure: 1, bottom plate; 2, support frame; 3, sliding plate; 4, clamping piece; 41, clamping plate; 42, lifting block; 43, column body; 5, hanging bracket; 6, winder; 7, mounting bracket; 8, polishing device; 81, polishing piece; 82, rotating frame; 821, matching ring; 822, mounting ring; 83, lifting ring; 831, fixing ring; 832, rotating ring; 84, motor; 85, driving wheel; 86, matching wheel; 9, placing groove; 10, screw rod. DETAILED DESCRIPTION

[0029] To make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described below in connection with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0030] The embodiment of the present application provides a crankshaft journal polishing tool, which can solve the problem of low polishing efficiency in the related art.

[0031] Please refer to Figures 1 to 5 A crankshaft journal polishing tool, comprising a bottom plate 1, two support frames 2, a sliding plate 3, and a plurality of clamping pieces 4, the two support frames 2 are oppositely arranged, there is a limiting space for placing both ends of the crankshaft on the support frame 2, a placing groove 9 is arranged on the support frame 2, the opening direction of the placing groove 9 is away from the bottom plate 1, the cross section of the placing groove 9 gradually increases towards the opening direction of the placing groove 9, and the sliding plate 3 is slidingly connected to the bottom plate 1; a screw rod 10 is arranged on the bottom plate 1, and the bottom plate 1 is rotationally connected with the screw rod 10, the screw rod 10 penetrates through the sliding plate 3 and is matched with the sliding plate 3, a plurality of clamping pieces 4 are slidingly connected to the sliding plate 3, a hanging bracket 5 is arranged, the hanging bracket 5 is slidingly connected with a winder 6, the winder 6 is connected with a mounting bracket 7, the mounting bracket 7 is connected with a polishing device 8, the polishing device 8 comprises a polishing piece 81 and a rotating frame 82, the polishing piece 81 is connected with the rotating frame 82, and the rotating frame 82 is rotationally connected to the mounting bracket 7.

[0032] In the embodiment, two support frames 2 are respectively arranged on two sides of the bottom plate 1, and the placing grooves 9 are inverted V-shaped, one end of the crankshaft is respectively placed in the two placing grooves 9, the crankshaft is erected on the two support frames 2, the screw rod 10 can be driven to rotate by the motor or manually, the rotation of the screw rod 10 can drive the sliding plate 3 to move towards or away from the center of the bottom plate 1, and the clamping piece 4 above the sliding plate 3 is also moved, so that the crankshaft is placed on the two placing grooves 9, after the crankshaft is placed on the two placing grooves 9, the position of the clamping piece 4 is adjusted by rotating the screw rod 10, the clamping piece 4 clamps a part of the journal of the crankshaft, the position of the crankshaft is limited, then the polishing piece 81 is installed on the rotating frame 82, the polishing piece 81 surrounds the journal of the crankshaft to be polished and is attached, the rotating frame 82 is rotated and drives the polishing piece 81 to rotate, so that the polishing piece 81 uniformly and quickly polishes the journal of the crankshaft, and in the application, the journal of the crankshaft is simultaneously polished in different regions because the polishing piece 81 surrounds the journal of the crankshaft.

[0033] Further, in the embodiment, the polishing device 8 further comprises a lifting ring 83, the lifting ring 83 surrounds the rotating frame 82, the lifting ring 83 comprises a fixed ring 831 and a rotating ring 832, one end of the fixed ring 831 is connected with the mounting frame 7, one end of the rotating ring 832 is hingedly connected with one end of the fixed ring 831, and the other end of the fixed ring 831 is fixedly connected with the other end of the rotating ring 832, and further, in the embodiment, the rotating frame 82 comprises a matching ring 821 and a mounting ring 822, the matching ring 821 and the mounting ring 822 can be spliced into a ring shape, the mounting ring 822 is provided with a slot, and the bottom of the polishing piece 81 is provided with an insert, and the insert can be inserted into the slot;

[0034] The polishing device 8 further comprises a motor 84, a driving wheel 85 and a matching wheel 86, the motor 84 is connected with the lifting frame 5, the output end of the motor 84 is connected with the driving wheel 85, the matching wheel 86 is connected with the rotating frame 82, and the driving wheel 85 can drive the matching wheel 86 to rotate;

[0035] The movement of the winding device 6 is achieved by a slide rail on the hanger 5, and the winding device 6 winds a wire rope, one end of which is connected to the mounting frame 7. The winding device 6 can wind or release the wire rope by rotating through a motor. The mounting frame 7 is connected with a fixed ring 831, and the rotating ring 832 can form a complete ring with the fixed ring 831 after rotating and can be fixed by bolts. After the rotating ring 832 and the fixed ring 831 are fixed by bolts, the matching ring 821 and the mounting ring 822 inside them can rotate. That is, the polishing piece 81 is first inserted into the insertion slot through the plug-in piece, and then the matching ring 821 and the mounting ring 822 are spliced around the crankshaft journal, so that the polishing piece 81 is attached to the crankshaft journal. Then, the rotating ring 832 and the fixed ring 831 are wrapped outside the matching ring 821 and the mounting ring 822, and finally the rotating ring 832 and the fixed ring 831 are fixed by bolts, thereby completing the installation of the polishing piece 81 on the crankshaft journal.

[0036] A motor 84 is fixed in the mounting frame 7. The driving wheel 85 and the matching wheel 86 are gears. The driving wheel 85 is engaged with the matching wheel 86, as shown in Figure 3 When the polishing piece 81 is installed, the motor 84 can drive the matching wheel 86 to rotate, and the matching wheel 86 drives the matching ring 821 and the mounting ring 822 to rotate, thereby driving the polishing piece 81 to rotate and polish.

[0037] Specifically, in the embodiment, the clamping piece 4 includes a clamping plate 41, a lifting block 42, and a column body 43.

[0038] The column body 43 is slidingly connected to the bottom plate 1. The clamping plate 41 is slidingly connected to the lifting block 42. The lifting block 42 is slidingly connected to the column body 43.

[0039] The lifting block 42 controls the height on the column body 43 by rotating the screw. The screw can be driven to rotate by a motor or manually. First, move the column body 43 on the slide plate 3 so that the clamping plate 41 and one of the crankshaft journals are in the same vertical plane. Then, control the lifting block 42 to adjust the height of the clamping plate 41. Then, control the slide plate 3 to move towards the crankshaft so that one of the crankshaft journals is located in the middle of the clamping plate 41. At this time, control the clamping plate 41 to clamp the crankshaft journal, thereby completing the secondary positioning of the crankshaft.

[0040] It should be noted that the clamping plate 41 is provided with a screw rod, and the clamping plate 41 is moved by rotating the screw rod. The two clamping plates 41 are close to each other to clamp the crankshaft journal.

[0041] In the description of the present application, it should be noted that the terms "upper", "lower", and the like are used for indicating the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. Unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be interpreted broadly, for example, can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0042] It should be noted that in the present application, relational terms such as "first" and "second" and the like are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0043] The above is only a specific embodiment of the present application, which enables those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features applied herein.

Claims

1. A crankshaft journal polishing tool characterized by, Include: The bottom plate (1); Two support frames (2), two said support frames (2) are oppositely arranged, and the support frame (2) is provided with a limiting space for placing the two ends of the crankshaft; The slide plate (3) is slidably connected to the bottom plate (1); A plurality of clamping pieces (4) are slidably connected to the slide plate (3); The hanger (5) is slidably connected with the winding device (6), the winding device (6) is connected with the mounting bracket (7), the mounting bracket (7) is connected with the polishing device (8), the polishing device (8) comprises a polishing piece (81) and a rotating frame (82), the polishing piece (81) is connected with the rotating frame (82), and the rotating frame (82) is rotatably connected with the mounting bracket (7).

2. The crankshaft journal polishing tool of claim 1, wherein: The polishing device (8) further comprises a lifting ring (83), the lifting ring (83) surrounds the outside of the rotating frame (82), and the lifting ring (83) comprises a fixed ring (831) and a rotating ring (832); The fixed ring (831) is connected with the mounting bracket (7), one end of the rotating ring (832) is hinged with one end of the fixed ring (831), and the other end of the fixed ring (831) is fixedly connected with the other end of the rotating ring (832).

3. The crankshaft journal polishing tool of claim 1, wherein: The rotating frame (82) comprises a matching ring (821) and a mounting ring (822); The matching ring (821) and the mounting ring (822) can be spliced into a ring shape, the mounting ring (822) is provided with a slot, and the bottom of the polishing piece (81) is provided with an insert which can be inserted into the slot.

4. The crankshaft journal polishing tool of claim 1, wherein: The polishing device (8) further comprises a motor (84), a driving wheel (85) and a matching wheel (86); The motor (84) is connected to the hanger (5), the output end of the motor (84) is connected to the driving wheel (85), the matching wheel (86) is connected to the rotating frame (82), and the driving wheel (85) can drive the matching wheel (86) to rotate.

5. The crankshaft journal polishing tool of claim 1, wherein: The clamping piece (4) comprises a clamping plate (41), a lifting block (42) and a column body (43); The column body (43) is slidably connected to the bottom plate (1), the clamping plate (41) is slidably connected to the lifting block (42), and the lifting block (42) is slidably connected to the column body (43).

6. The crankshaft journal polishing tool of claim 1, wherein: The support frame (2) is provided with a placing groove (9), the opening direction of the placing groove (9) is away from the bottom plate (1), and the cross section of the placing groove (9) gradually increases in the opening direction of the placing groove (9).

7. The crankshaft journal polishing tool of claim 1, wherein: The bottom plate (1) is provided with a screw rod (10), and the bottom plate (1) is rotationally connected with the screw rod (10), the screw rod (10) penetrates through the sliding plate (3), and the screw rod (10) cooperates with the sliding plate (3).

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