阅读说明：本技术 一种曲轴端面抛光设备 (Crankshaft end surface polishing equipment ) 是由 于晓刚 初强 代洪涛 于 2020-07-24 设计创作，主要内容包括：本发明公开一种曲轴端面抛光设备,包括抛光臂、抛光带导向块、抛光带导向轮、缠带组件、抛光带安装组件、抛光块推杆、抛光块和工作气缸,抛光臂竖直安装在床身上,工作气缸安装于抛光臂上,抛光块推杆设置于工作气缸伸缩端,且抛光带导向块设置于抛光块推杆前端,抛光块可转动地设置于抛光臂上,且抛光块外侧与抛光带相抵,抛光带依次缠绕设置在抛光带导向轮、缠带组件及抛光带安装组件上。本申请公开的曲轴端面抛光设备,工作气缸推动抛光块推杆向下运动,抛光块沿抛光带导向块向外张开,抛光带紧紧的压在曲轴端面上,与曲轴转动形成复合运动,提高端面抛光质量,通过伺服调整进给位置,就可以实现品种更换调整,调整方便简单。(The invention discloses crankshaft end surface polishing equipment which comprises a polishing arm, a polishing belt guide block, a polishing belt guide wheel, a belt winding assembly, a polishing belt installation assembly, a polishing block push rod, a polishing block and a working cylinder. The application discloses bent axle terminal surface polishing equipment, working cylinder promote polishing block push rod downstream, and the polishing block outwards opens along the polishing belt guide block, and the polishing belt tightly presses on the bent axle terminal surface, rotates with the bent axle and forms compound motion, improves the terminal surface polishing quality, through servo adjustment feed position, just can realize the variety change adjustment, and the adjustment is convenient simple.)

1. The utility model provides a crankshaft end surface polishing equipment, its characterized in that, includes polishing arm (1), polishing belt guide block (2), polishing belt leading wheel (3), kinks area subassembly (4), polishing belt installation component (5), polishing block push rod (6), polishing block (7) and working cylinder (8), polishing arm (1) is vertical to be installed on lathe bed (9), working cylinder (8) install in on polishing arm (1), polishing block push rod (6) set up in the flexible end of working cylinder (8), just polishing belt guide block (2) set up in polishing block push rod (6) front end, polishing block (7) rotationally set up in on polishing arm (1), just polishing block (7) outside offsets with polishing belt (10), polishing belt (10) twine in proper order and set up polishing belt leading wheel (3), The winding assembly (4) and the polishing belt mounting assembly (5).

2. The crankshaft end face polishing apparatus according to claim 1, further comprising a mounting plate (11) for mounting the polishing arm (1), the mounting plate (11) being mounted on a lateral adjustment fixing plate (12).

3. The crankshaft end face polishing device according to claim 2, characterized in that an adjusting screw seat (13) and an adjusting screw (14) are arranged on the transverse adjusting fixing plate (12), the adjusting screw (14) is arranged at the bottom of the mounting plate (11) in a penetrating manner, and the adjusting screw (14) is in threaded connection with the adjusting screw seat (13).

4. The crankshaft end face polishing device according to claim 3, characterized in that a workbench (15) and a servo electric cylinder (16) are arranged on the bed (9), the servo electric cylinder (16) is connected with the workbench (15) and used for pushing the polishing arm (1) to move along the radial direction of the crankshaft, and the transverse adjusting fixing plate (12) is arranged in a dovetail seat of the workbench (15).

5. Crankshaft end face polishing device according to claim 4, characterized in that the bottom of the working table (15) is provided with a clamping block (17) for fastening.

6. The crankshaft end face polishing device according to claim 5, characterized in that the bed (9) is further provided with linear guide rail pairs (18), and the linear guide rail pairs (18) are symmetrically arranged on two sides of the workbench (15).

7. The crankshaft end face polishing device according to any one of claims 1 to 6, characterized in that a return spring (19) is arranged on the polishing arm (1), and the return spring (19) is sleeved on the polishing block push rod (6).

8. The crankshaft end face polishing device according to claim 7, characterized in that the polishing arm (1) is provided with left and right return springs (20), and the left and right return springs (20) are connected with the polishing block (7).

9. The crankshaft end face polishing device according to claim 8, characterized in that the polishing arm (1) is further provided with a turning guide wheel assembly (21) and a rear guide body assembly (22), and the polishing belt (10) is sequentially wound around the turning guide wheel assembly (21) and the rear guide body assembly (22).

10. The crankshaft end face polishing device according to claim 7, characterized in that a headstock (23) and a tailstock (24) are further arranged on the bed (9), and the headstock (23) and the tailstock (24) are used for positioning a central hole of a crankshaft.

Technical Field

The invention relates to the field of machine tool equipment, in particular to crankshaft end surface polishing equipment.

Background

In recent years, the requirements of motorcycle engines on crankshafts are increasing more and more, and the end surface polishing is added on the basis of polishing the circumference of the axial diameter so as to improve the surface roughness of a reference end surface and ensure the sealing property.

At present, a crankshaft polishing method is that end face polishing is carried out on a crankshaft through a special polishing machine tool, and the special polishing machine tool has high equipment purchase cost and is not beneficial to popularization; the other method is that ordinary manual polishing is utilized, so that the danger of the manual polishing is high, and the polishing precision cannot be guaranteed; both of the two polishing modes bring inconvenience to daily polishing operation of the crankshaft, so that the motorcycle crankshaft is polished by simple polishing equipment in general.

However, most end face polishing machine tools can only press the polishing abrasive belt on the end face, the end face polishing is carried out by rotating the part along the axial direction, the polishing arm leans against the lower end of the crankshaft, the crankshaft polished each time may be different, and because of the different changes of the shaft diameters, the center height adjustment is carried out on the positioning hole for fixing the part each time to meet the polishing requirement, the adjustment is labor-consuming and inconvenient, and the polishing precision of the common polishing machine tool is low.

Therefore, how to solve the disadvantages of the prior motorcycle engine crankshaft polishing device, such as tedious polishing operation and low polishing precision, is a technical problem to be solved urgently by technical personnel in the field.

Disclosure of Invention

The invention aims to provide crankshaft end surface polishing equipment, which can solve the problem of position adjustment in the crankshaft polishing process by changing the structures of a polishing block and a polishing belt of the conventional polishing equipment, improve the polishing efficiency and ensure the polishing precision.

In order to solve the technical problem, the invention provides crankshaft end surface polishing equipment which comprises a polishing arm, a polishing belt guide block, a polishing belt guide wheel, a belt winding assembly, a polishing belt installation assembly, a polishing block push rod, a polishing block and a working cylinder, wherein the polishing arm is vertically installed on a machine body, the working cylinder is installed on the polishing arm, the polishing block push rod is arranged at the telescopic end of the working cylinder, the polishing belt guide block is arranged at the front end of the polishing block push rod, the polishing block is rotatably arranged on the polishing arm, the outer side of the polishing block is abutted against a polishing belt, and the polishing belt is sequentially wound on the polishing belt guide wheel, the belt winding assembly and the polishing belt installation assembly.

Preferably, the polishing machine further comprises a mounting plate for mounting the polishing arm, wherein the mounting plate is mounted on the transverse adjustment fixing plate.

Preferably, be provided with adjusting screw seat and adjusting screw on the horizontal adjustment fixed plate, the adjusting screw run through set up in the mounting panel bottom, just the adjusting screw with adjusting screw seat threaded connection.

Preferably, a workbench and a servo electric cylinder are arranged on the machine body, the servo electric cylinder is connected with the workbench and used for pushing the polishing arm to move along the radial direction of the crankshaft, and the transverse adjusting fixing plate is arranged in a dovetail seat of the workbench.

Preferably, the bottom of the workbench is provided with a clamping block for fastening.

Preferably, the bed body is further provided with linear guide rail pairs, and the linear guide rail pairs are symmetrically arranged on two sides of the workbench.

Preferably, the polishing arm is provided with a return spring, and the return spring is sleeved on the polishing block push rod.

Preferably, the polishing arm is provided with a left return spring and a right return spring, and the left return spring and the right return spring are connected with the polishing block.

Preferably, the polishing arm is further provided with a turning guide wheel assembly and a rear guide body assembly, and the polishing belt is sequentially wound on the turning guide wheel assembly and the rear guide body assembly.

Preferably, the bed body is further provided with a headstock and a tailstock, and the headstock and the tailstock are used for positioning a central hole of the crankshaft.

The invention provides crankshaft end face polishing equipment which comprises a polishing arm, a polishing belt guide block, a polishing belt guide wheel, a belt winding assembly, a polishing belt installation assembly, a polishing block push rod, a polishing block and a working cylinder. The application discloses a crankshaft end face polishing device, servo electric cylinder promotes polishing arm to move forward and reach the assigned position, the crankshaft starts to rotate, the working cylinder promotes polishing block push rod to move forward, under the promotion of polishing block push rod, the polishing block outwards opens along polishing belt guide block, the polishing belt wound on polishing belt guide wheel, belt winding component and polishing belt installation component is tightly pressed on the crankshaft end face, the crankshaft end face polishing is realized, the polishing arm can realize reciprocating motion along the crankshaft radial direction in the working process, compound motion is formed with the crankshaft rotation, the end face polishing quality is improved, the polishing block can be replaced between metal fixed positioning block and the polishing block according to different crankshaft requirements, adapt to polish left end face, right end face or left and right end face, compare the mode of polishing arm below the crankshaft, even if the crankshaft axial diameter changes, only need to adjust the feeding position by servo, the variety can be changed and adjusted conveniently and simply.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a top view of the structure shown in FIG. 1;

FIG. 3 is a side view of the structure shown in FIG. 1;

figure 4 is a schematic view of the polishing arm structure shown in figure 1.

Wherein, in fig. 1-4:

the polishing machine comprises a polishing arm-1, a polishing belt guide block-2, a polishing belt guide wheel-3, a belt winding component-4, a polishing belt mounting component-5, a polishing block push rod-6, a polishing block-7, a working cylinder-8, a machine body-9, a polishing belt-10, a mounting plate-11, a transverse adjusting fixing plate-12, an adjusting screw seat-13, an adjusting screw-14, a workbench-15, a servo electric cylinder-16, a clamping block-17, a linear guide rail pair-18, a reset spring-19, a left reset spring-20, a right reset spring-20, a turning guide wheel component-21, a rear guide body component-22, a headstock-23 and a tailstock-24.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, fig. 1 is a schematic overall structure diagram of an embodiment of the present invention; FIG. 2 is a top view of the structure shown in FIG. 1; FIG. 3 is a side view of the structure shown in FIG. 1; figure 4 is a schematic view of the polishing arm structure shown in figure 1.

In a specific embodiment provided by the invention, the polishing machine mainly comprises a polishing arm 1, a polishing belt guide block 2, a polishing belt guide wheel 3, a belt winding component 4, a polishing belt installation component 5, a polishing block push rod 6, a polishing block 7 and a working cylinder 8, wherein the polishing arm 1 is vertically installed on a machine body 9, the working cylinder 8 is installed on the polishing arm 1, the polishing block push rod 6 is arranged at the telescopic end of the working cylinder 8, the polishing belt guide block 2 is arranged at the front end of the polishing block push rod 6, the polishing block 7 is rotatably arranged on the polishing arm 1, the outer side of the polishing block 7 is abutted against a polishing belt 10, and the polishing belt 10 is sequentially wound on the polishing belt guide wheel 3, the belt winding component 4 and the polishing belt installation component 5.

Wherein, the polishing arm 1 is vertically installed on the installation plate 11 and fixed on the transverse adjusting fixing plate 12 through bolts, the transverse fixing plate 12 and the workbench are positioned through a dovetail surface, the lower end is fixedly installed on the lathe bed 9 through a linear guide rail pair 18, the polishing arm 1 is used for driving the whole polishing component to move up and down, the working cylinder 8 is installed on the polishing arm 1, the polishing block push rod 6 is arranged at the telescopic end of the working cylinder 8, the working cylinder 8 is used for driving the polishing block push rod 6 to move up and down, the polishing belt guide block 2 is arranged at the front end of the polishing block push rod 6, the polishing block 7 is rotatably arranged on the polishing arm 1, the outer side of the polishing block 7 is abutted against the polishing belt 10, one end of the polishing block 7 is not fixed, the other end of the polishing block is connected with a torsion spring and can do circumferential swing along the center of the torsion spring for driving the polishing, The belt winding assembly 4 and the polishing belt mounting assembly 5 are provided with a polishing belt 10 for polishing the end face of the crankshaft.

Specifically, in the practical application process, the crankshaft is manually positioned through the front and rear centers of the machine tool, the crankshaft is installed on the polishing machine tool, the shifting fork shifts the part to rotate, after the crankshaft is fixed, the circular starting button of the polishing machine tool is pressed, the servo electric cylinder 16 pushes the polishing arm 1 to move forward and reach a specified position, the crankshaft starts to rotate, the working cylinder 8 pushes the polishing block push rod 6 to move forward, as the inclined plane at the front end of the polishing block push rod 6 is abutted to the polishing block 7, the polishing block 7 is outwards opened along the polishing belt guide block 2 under the pushing of the polishing block push rod 6, the polishing belt 10 wound on the polishing belt guide wheel 3, the belt winding assembly 4 and the polishing belt installation assembly 5 is tightly pressed on the end face of the crankshaft, the end face of the crankshaft is polished, after the polishing is finished, the working cylinder 8 drives the polishing block 6 to return, and the polishing block 7 is reset through the torsion spring to leave the polishing end, finally, the polishing arm 1 is retracted to complete the polishing process.

In order to optimize the advantage that the crankshaft end face polishing equipment in the above embodiment can meet the polishing requirements of crankshafts of different models, the crankshaft end face polishing equipment further comprises a mounting plate 11 for mounting the polishing arm 1, and the mounting plate 11 is mounted on the transverse adjustment fixing plate 12; and the horizontal adjusting fixing plate 12 is provided with an adjusting screw seat 13 and an adjusting screw 14, the adjusting screw 14 is arranged at the bottom of the mounting plate 11 in a penetrating way, and the adjusting screw 14 is in threaded connection with the adjusting screw seat 13. In actual polishing operation in-process, the bent axle that carries out the polishing can not be same model, specifications, the bent axle has not equidimension, this just can make after the bent axle is fixed to the polishing lathe, the condition that the bent axle terminal surface staggers with the polishing tape counterpoint of the polishing equipment that this application discloses, at this moment, through loosening adjusting screw 14, adjust about going on horizontal adjustment fixed plate 12, make mounting panel 11 adjust about going on, adjust about reaching polishing arm 1, after adjusting the position, again with adjusting screw 14 and adjusting screw seat 13 screw up, reach the purpose of fixed polishing arm 1, simultaneously, can adjust polishing arm 1 and bent axle counterpoint condition, in order to adapt to different bent axle polishing demands.

It should be noted that the bottom of the working table 15 is provided with a clamping block 17 for fastening. After the position adjustment described above is completed, the table 15 can be clamped by the clamping block 17 at the bottom of the table 15 to ensure that the polishing arm 1 is positioned right and left.

Further, a workbench 15 and a servo electric cylinder 16 are arranged on the bed 9, the servo electric cylinder 16 is connected with the workbench 15 and used for pushing the polishing arm 1 to move along the radial direction of the crankshaft, and the transverse adjusting fixing plate 12 is arranged in a dovetail seat of the workbench 15. The design can ensure that the polishing arm 1 moves along the radial direction of the crankshaft, in the polishing process, the servo electric cylinder 16 pushes the whole polishing device to do small-amplitude front-back reciprocating motion at the frequency of 30 times per minute change, and the small-amplitude front-back reciprocating motion and the rotation of the crankshaft form composite motion, so that polishing liquid can wash away thrown impurities conveniently, and the polishing quality is improved.

Further, a linear guide rail pair 18 is further arranged on the machine body 9, and the linear guide rail pair 18 is symmetrically arranged on two sides of the workbench 15. The linear guide rail pair 18 is a guide rail for the front and back movement of the workbench 15, so that the polishing arm 1 can find the polishing position of the end face of the crankshaft, and the subsequent polishing arm 1 drives the polishing block 7 to move downwards to find the position of the end face of the crankshaft.

It should be noted that the polishing arm 1 is provided with a return spring 19, and the return spring 19 is sleeved on the polishing block push rod 6. The reset spring 19 has a reset function, so that after the crankshaft end face is polished, the polishing block push rod 6 may be stuck and cannot return, and at the moment, the reset spring 19 can ensure that the polishing block push rod 6 smoothly returns, so that the polishing operation is circularly performed.

Further, the polishing arm 1 is provided with left and right return springs 20, and the left and right return springs 20 are connected to the polishing block 7. The left and right reset springs 20 ensure that the polishing block 7 is reset, and because the polishing block 7 is abutted against the polishing belt 10 to perform long-time polishing operation in the polishing process, the left and right reset springs 20 can ensure that the polishing block 7 can be uniformly arranged at the front end of the polishing block push rod 6, and the polishing precision is ensured.

It should be further noted that the polishing arm 1 is further provided with a turning guide wheel assembly 21 and a rear guide body assembly 22, and the polishing belt 10 is sequentially wound around the turning guide wheel assembly 21 and the rear guide body assembly 22. As described above, the polishing operation is performed by the contact of the polishing belt 10 with the end surface of the crankshaft in the whole polishing process, the polishing belt 10 is in a state of rotating all the time in the polishing process, and is wound around the polishing belt guide wheel 3, the belt winding assembly 4 and the polishing belt mounting assembly 5 at the end surface position of the crankshaft, and is wound around the turning guide wheel assembly 21 and the rear guide body assembly 22 at the driving position, so that the stability of the front-rear rotation of the polishing belt 10 is ensured, and the polishing precision is improved.

Further, a headstock 23 and a tailstock 24 are arranged on the bed 9, and the headstock 23 and the tailstock 24 are used for positioning a central hole of the crankshaft. The headstock 23 and the tailstock 24 are required to be arranged, the headstock 23 and the tailstock 24 are used for fixing crankshaft parts, and the headstock 23 and the tailstock 24 are accurately positioned, so that the polishing operation precision is improved.

To sum up, the bent axle terminal surface polishing equipment that this embodiment provided mainly includes the polishing arm, the polishing tape guide block, the polishing tape leading wheel, twine the area subassembly, polishing tape installation component, the polishing block push rod, polishing block and work cylinder, the polishing arm is vertical to be installed on the lathe bed, work cylinder installs on the polishing arm, the polishing block push rod sets up in the flexible end of work cylinder, and the polishing tape guide block sets up in polishing block push rod front end, the polishing block rotationally sets up on the polishing arm, and the polishing block outside offsets with the polishing tape, the polishing tape twines in proper order and sets up at the polishing tape leading wheel, twine on area subassembly and the polishing tape installation component. The application discloses a crankshaft end face polishing device, servo electric cylinder promotes polishing arm to move forward and reach the assigned position, the crankshaft starts to rotate, the working cylinder promotes polishing block push rod to move forward, under the promotion of polishing block push rod, the polishing block outwards opens along polishing belt guide block, the polishing belt wound on polishing belt guide wheel, belt winding component and polishing belt installation component is tightly pressed on the crankshaft end face, the crankshaft end face polishing is realized, the polishing arm can realize reciprocating motion along the crankshaft radial direction in the working process, compound motion is formed with the crankshaft rotation, the end face polishing quality is improved, the polishing block can be replaced between metal fixed positioning block and the polishing block according to different crankshaft requirements, adapt to polish left end face, right end face or left and right end face, compare the mode of polishing arm below the crankshaft, even if the crankshaft axial diameter changes, only need to adjust the feeding position by servo, the variety can be changed and adjusted conveniently and simply.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.