CN219113741U

CN219113741U - Surface polishing device for crankshaft machining

Info

Publication number: CN219113741U
Application number: CN202223545336.5U
Authority: CN
Inventors: 杨鸿明
Original assignee: Liaocheng Haozhuo Machinery Manufacturing Co ltd
Current assignee: Liaocheng Haozhuo Machinery Manufacturing Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-06-02
Anticipated expiration: 2032-12-22

Abstract

The utility model provides a surface polishing device for crankshaft machining, which relates to the field of crankshaft machining equipment and comprises a mounting frame, wherein a positioning table and a jacking component are arranged on the mounting frame, a fixed plate and a moving plate are arranged on the positioning table in a sliding fit mode, a clamping component is arranged on the fixed plate and is matched with the jacking component, a jacking block is rotatably connected onto the moving plate, one end of the moving plate is connected with the jacking component, a machining table is arranged below the positioning table, and a polishing component is arranged on the machining table; the device is quick and convenient when the crankshaft is replaced and detached, and meanwhile, the crankshaft cannot shake in position after positioning is finished, the crankshaft rotates and simultaneously is matched with automatic polishing equipment to achieve good polishing effect, and compared with the polishing process automation degree which is remarkably improved by manually holding an abrasive belt.

Description

Surface polishing device for crankshaft machining

Technical Field

The utility model relates to the field of crankshaft machining equipment, in particular to a surface polishing device for crankshaft machining.

Background

The crankshaft is the most important component in an engine. The engine is used for bearing the force transmitted by the connecting rod, converting the force into torque, outputting the torque through the crankshaft and driving other accessories on the engine to work. The crankshaft is subjected to the combined action of centrifugal force of the rotating mass, periodically-changed gas inertia force and reciprocating inertia force, so that the crankshaft is subjected to bending torsion load. Therefore, the crankshaft is required to have enough strength and rigidity, and the journal surface needs to be wear-resistant, uniform in work and good in balance.

The crankshaft is formed by main journal, connecting rod axle journal, crank, front and back axle head and balanced heavy, and the bent axle generally needs to be through grinding and polishing process, and the purpose of polishing is in order to let the bent axle obtain better surface quality, and current manual hand-held abrasive belt carries out polishing process when polishing process to the main journal of bent axle always, and then leads to work efficiency low, and the surface is not bright and the surface appears defect easily after the bent axle finishes polishing, in addition in polishing process, the bent axle position takes place skew and then polishing position changes easily, will influence the effect of bent axle polishing.

The utility model provides a publication No. CN216633698U, a crankshaft polishing device is provided, the structure includes the stage body, the controller is installed to one side of stage body, and the bottom of stage body is provided with the callus on the sole, stage body lateral wall is installed first motor and second motor through the support, the second motor is located one side of first motor, two pivots are installed through the bolt in the top of stage body, one of them the outer wall of pivot is provided with the waxing wheel, the waxing wheel is connected with the second motor through the pivot, another the outer wall of pivot is provided with the polishing wheel, the polishing wheel is connected with first motor through the pivot, the fan is installed to one side that is close to the waxing wheel in the top of stage body, the utility model has set up first motor, second motor, fan, pivot, waxing wheel and polishing wheel, has solved artifical equipment polishing and has led to work efficiency low, polishes the problem that does not appear defect, improves work efficiency; but this structure needs to place the both ends of bent axle in the first recess at fixed block top earlier when the bent axle is fixed, then installs the fixed cover in the upper end of fixed block to twist adjust knob and then realize the fixed of bent axle, will cause like this and need dismantle when changing the bent axle not swiftly.

Disclosure of Invention

The utility model aims to solve the problems in the background art, and further provides a surface polishing device for crankshaft machining.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a surface finish device of bent axle processing, includes the mounting bracket, is provided with locating bench and tight subassembly in top on the mounting bracket, is provided with fixed plate and sliding fit on the locating bench and has the kinematic plate, is provided with clamping assembly on the fixed plate, clamping assembly cooperatees with tight subassembly in top, rotates on the kinematic plate to be connected with kicking block and one end links to each other with tight subassembly in top, and the locating bench below is provided with the processing platform, is provided with polishing assembly on the processing platform.

The device is quick and convenient when the crankshaft is replaced and detached, and meanwhile, the crankshaft cannot shake in position after positioning is finished, the crankshaft rotates and simultaneously is matched with automatic polishing equipment to achieve good polishing effect, and compared with the polishing process automation degree which is remarkably improved by manually holding an abrasive belt.

Further, the clamping assembly comprises a rotating motor, a clamping disc, clamping cylinders and a clamping plate, the rotating motor is arranged on the fixing plate, the rotating motor is connected with the clamping disc, a mounting groove is formed in the clamping disc, a plurality of clamping cylinders are arranged on the inner circumference of the mounting groove, and the clamping plates are connected with contraction rods of the clamping cylinders.

The long shaft end of the crankshaft can be automatically and stably clamped by the clamping assembly in the scheme, so that the crankshaft clamping device is rapid and convenient.

Further, the tight subassembly in top is the location cylinder, and the location cylinder sets up on the mounting bracket, and the shrink pole of location cylinder is connected with the kinematic plate.

According to the scheme, the jacking component is matched with the clamping component, so that the stabilizing effect of the crankshaft in the subsequent rotating process can be further improved.

Further, the polishing assembly comprises an adjusting electric cylinder, a mounting plate, mounting blocks, a motor box and polishing wheels, the adjusting electric cylinder is arranged on the processing table and connected with the mounting plate, a plurality of mounting blocks are arranged on the mounting plate, the motor box is arranged on the mounting blocks, and a motor is arranged in the motor box and connected with the polishing wheels.

According to the scheme, the polishing assembly is matched with the integral rotation of the crankshaft, so that the main journal of the crankshaft can be completely polished at one time, and the time efficiency is improved.

Further, the contraction rod of the adjusting electric cylinder is movably connected with a mounting plate.

In the scheme, the polishing wheel can be conveniently adjusted by integrally disassembling the mounting plate, so that main journal polishing processes are carried out on crankshafts with different sizes.

Further, be provided with a plurality of fixed slots on the mounting panel, placed the installation piece in the fixed slot, the bilateral symmetry of installation piece is provided with the connecting plate, is provided with fixing bolt in the connecting plate, fixing bolt and mounting panel threaded connection.

According to the scheme, the fixing groove is matched with the fixing bolt, so that replacement or maintenance is convenient when the polishing wheel is abnormal.

Further, a dust removing box is arranged on the positioning table, a plurality of dust removing pipes are arranged on the dust removing box, the dust removing box is communicated with an air pump, and the air pump is communicated with a collecting box.

In the scheme, the dust box is matched with the air pump, and the dust tube is used for avoiding dust in the polishing process.

Compared with the prior art, the utility model has the beneficial effects that:

1. the device can firmly position the crankshaft through the tight subassembly in tight cooperation top, and the crankshaft can not take place the position after the location finishes and rock, can also drive the rotation of crankshaft simultaneously and polish the cooperation of subassembly and realize the main journal polishing, and the polishing effect is good, compares in addition in prior art swiftly convenient when changing the dismantlement crankshaft, compares in the process degree of automation that originally adopts artifical handheld abrasive band to polish and is showing the improvement.

2. The device utilizes the polishing component to polish all main journals on one crankshaft at a time, improves time efficiency, and simultaneously, the mounting plate can be integrally disassembled and assembled with a new polishing wheel to adapt to crankshafts with different sizes for polishing processes.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a stationary trough;

FIG. 3 is a schematic view of a clamp cylinder installation;

reference numerals:

1. a mounting frame; 11. a positioning table; 12. a fixing plate; 13. a rotating electric machine; 14. clamping the disc; 141. a clamping cylinder; 142. a clamping plate; 143. a mounting groove; 15. positioning a cylinder; 16. a motion plate; 17. a top block; 2. a processing table; 21. adjusting an electric cylinder; 22. a mounting plate; 23. a mounting block; 24. a motor case; 25. a polishing wheel; 26. a connecting plate; 27. a fixing bolt; 28. a fixing groove; 31. a dust removal box; 32. a dust removal pipe; 33. an air pump; 4. a crankshaft; 41. and a main journal.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. The utility model will be further described with reference to the accompanying drawings and examples:

as shown in fig. 1 to 3, a surface polishing device for crankshaft machining comprises a mounting frame 1, wherein a positioning table 11 and a jacking component are arranged on the mounting frame 1, a fixed plate 12 and a moving plate 16 are arranged on the positioning table 11 in a sliding fit manner, a clamping component is arranged on the fixed plate 12, the clamping component and the jacking component are matched with a crankshaft 4, a jacking block 17 and one end of the moving plate 16 are rotatably connected with the jacking component through bearings, the bearings are not numbered in the drawing, a machining table 2 is arranged below the positioning table 11, a polishing component is arranged on the machining table 2, the crankshaft 4 comprises a main journal 41, and the polishing component is matched with the main journal 41.

The working flow of the utility model is as follows:

firstly, the long shaft end of the crankshaft 4 is horizontally placed into the clamping component, when the clamping component clamps the long shaft end of the crankshaft 4, the clamping component starts to work to push the moving plate 16 to move to the right, at the moment, the jacking block 17 jacks the short shaft end of the crankshaft 4, then the clamping component is matched with the jacking component to realize the rotation of the crankshaft 4, before the crankshaft 4 rotates, the polishing component on the processing table 2 moves upwards to be close to the main journal 41 of the crankshaft 4, when the polishing component contacts with the main journal 41, the crankshaft 4 starts to rotate to carry out the polishing process, after the polishing of one crankshaft 4 is completed, the jacking component drives the jacking block 17 to be far away from the crankshaft 4, then the clamping component stops clamping the long shaft end of the crankshaft 4, and at the moment, the crankshaft 4 can be quickly and conveniently disassembled and replaced.

In order to realize firm clamping and positioning of the long shaft end of the crankshaft 4, as shown in fig. 1 and 3, the clamping assembly comprises a rotating motor 13, a clamping disc 14, a clamping cylinder 141 and a clamping plate 142, wherein the rotating motor 13 is arranged on the fixed plate 12, the rotating motor 13 is connected with the clamping disc 14, a mounting groove 143 is formed in the clamping disc 14, four clamping cylinders 141 are arranged on the inner circumference of the mounting groove 143, and a contraction rod of the clamping cylinder 141 is connected with the clamping plate 142; when the long shaft end of the crankshaft 4 horizontally enters the mounting groove 143, the long shaft end of the crankshaft 4 is positioned in the middle of the four clamping plates 142, then the clamping cylinder 141 is started, and the clamping cylinder 141 works to drive the clamping plates 142 to move from multiple directions simultaneously to clamp and fix the long shaft end of the crankshaft 4, so that the clamping and fixing effect is good and the automation degree is high; the subsequent disassembly and replacement of a new crankshaft 4 are facilitated for the polishing process.

In order to improve the stabilizing effect of the crankshaft 4 in the rotary motion, as shown in fig. 1, the jacking component is a positioning cylinder 15, the positioning cylinder 15 is arranged on the mounting frame 1, and a contraction rod of the positioning cylinder 15 is connected with a motion plate 16; after the clamping assembly completes the clamping and fixing of the long shaft end of the crankshaft 4, the positioning cylinder 15 starts to work at the moment to drive the moving plate 16 to slide along the positioning table 11 and further jack the crankshaft 4 from the short shaft end of the crankshaft 4 by utilizing the jacking block 17, and then the rotating motor 13 rotates to drive the crankshaft 4 to move to start the polishing process.

In order to improve the polishing time efficiency of the main journal 41, the scheme is further refined, as shown in fig. 1, the polishing assembly comprises an adjusting electric cylinder 21, a mounting plate 22, mounting blocks 23, a motor box 24 and polishing wheels 25, the adjusting electric cylinder 21 is arranged on the processing table 2, the adjusting electric cylinder 21 is connected with the mounting plate 22, a plurality of mounting blocks 23 are arranged on the mounting plate 22, a motor box 24 is arranged on the mounting blocks 23, a motor is arranged in the motor box 24, the motor is connected with the polishing wheels 25, and the polishing wheels 25 are arranged in one-to-one correspondence with the main journal 41; firstly, the electric cylinder 21 is regulated to extend to drive the mounting plate 22 to move, when a plurality of polishing wheels 25 are contacted with the main journal 41, the electric cylinder 21 is regulated to stop working at the moment, then the crankshaft 4 starts to rotate, then the motor starts to work to drive the polishing wheels 25 to rotate, then the polishing process can be carried out on a plurality of main journal 41 areas at the same time, and the polishing time efficiency is improved.

In order to adapt to crankshafts 4 with different sizes for polishing, the scheme is further refined, as shown in fig. 1, a mounting plate 22 is movably connected to a contraction rod of an adjusting electric cylinder 21, and the meaning of the movable connection between the contraction rod of the adjusting electric cylinder 21 and the mounting plate 22 is that after crankshafts 4 with different sizes are replaced, the mounting plate 22 can be integrally detached at the moment, and then a polishing wheel 25 adapting to crankshafts 4 with new sizes and a polishing wheel 25 installation position are replaced for polishing the crankshafts 4 with new sizes.

In order to facilitate disassembly, overhaul and replacement of the polishing wheel 25 when the polishing wheel 25 is abnormal, as shown in fig. 1 and 2, a plurality of fixing grooves 28 are formed in the mounting plate 22, mounting blocks 23 are placed in the fixing grooves 28, connecting plates 26 are symmetrically arranged on two sides of the mounting blocks 23, fixing bolts 27 are arranged in the connecting plates 26, and the fixing bolts 27 penetrate through the connecting plates 26 to be in threaded connection with the mounting plate 22; firstly, a plurality of mounting blocks 23 are sequentially placed in a reserved fixing groove 28 on a mounting plate 22, then fixing bolts 27 are screwed into reserved fixing holes on the mounting plate 22, so that the mounting positions of the mounting blocks 23 are limited, the fixing holes are not numbered in the figure, and the polishing wheel 25 can be timely detached, replaced or maintained after a problem occurs.

In order to avoid dust generation in the polishing process, as shown in fig. 1, a dust removing box 31 is arranged on the positioning table 11, a plurality of dust removing pipes 32 are arranged on the dust removing box 31, the dust removing pipes 32 are positioned above the polishing wheel 25, the dust removing box 31 is communicated with the input end of an air pump 33, the output end of the air pump 33 is communicated with a collecting box fixedly arranged in other areas, and the collecting box is not shown in the figure; the air pump 33 starts working in the polishing process, and dust particles generated in the polishing process are timely sucked by utilizing the dust box 31 in combination with the plurality of dust pipes 32, so that dust emission is avoided.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a surface finish device of bent axle processing, a serial communication port, including mounting bracket (1), be provided with locating bench (11) and tight subassembly in top on mounting bracket (1), be provided with fixed plate (12) and sliding fit on locating bench (11) and have movable plate (16), be provided with clamping assembly on fixed plate (12), clamping assembly cooperatees with tight subassembly in top, rotate on movable plate (16) and be connected with kicking block (17) and one end links to each other with tight subassembly in top, locating bench (11) below is provided with processing bench (2), be provided with polishing subassembly on processing bench (2).

2. The surface polishing device for crankshaft machining according to claim 1, wherein the clamping assembly comprises a rotating motor (13), a clamping disc (14), clamping cylinders (141) and a clamping plate (142), the rotating motor (13) is arranged on the fixing plate (12), the rotating motor (13) is connected with the clamping disc (14), the clamping disc (14) is provided with a mounting groove (143), the inner circumference of the mounting groove (143) is provided with a plurality of clamping cylinders (141), and the contraction rod of the clamping cylinders (141) is connected with the clamping plate (142).

3. The surface polishing device for crankshaft machining according to claim 1, wherein the tightening assembly is a positioning cylinder (15), the positioning cylinder (15) is arranged on the mounting frame (1), and a contraction rod of the positioning cylinder (15) is connected with a moving plate (16).

4. The surface polishing device for crankshaft machining according to claim 1, wherein the polishing assembly comprises an adjusting electric cylinder (21), a mounting plate (22), mounting blocks (23), a motor box (24) and a polishing wheel (25), the adjusting electric cylinder (21) is arranged on the machining table (2), the adjusting electric cylinder (21) is connected with the mounting plate (22), a plurality of mounting blocks (23) are arranged on the mounting plate (22), a motor box (24) is arranged on the mounting blocks (23), a motor is arranged in the motor box (24), and the motor is connected with the polishing wheel (25).

5. The surface polishing apparatus for crank processing according to claim 4, wherein the retracting lever of the adjusting electric cylinder (21) is movably connected with a mounting plate (22).

6. The surface polishing device for crankshaft machining according to claim 4, wherein a plurality of fixing grooves (28) are formed in the mounting plate (22), mounting blocks (23) are placed in the fixing grooves (28), connecting plates (26) are symmetrically arranged on two sides of each mounting block (23), fixing bolts (27) are arranged in the connecting plates (26), and the fixing bolts (27) are in threaded connection with the mounting plate (22).

7. The surface polishing device for crankshaft machining according to claim 1, wherein a dust removing box (31) is arranged on the positioning table (11), a plurality of dust removing pipes (32) are arranged on the dust removing box (31), the dust removing box (31) is communicated with an air pump (33), and the air pump (33) is communicated with the collecting box.