Automatic dressing device for grinding wheel width of bearing inner raceway grinding machine

Abstract

The utility model relates to an automatic dressing device for the width of a grinding wheel of a bearing inner raceway grinding machine. The automatic dressing device comprises a transmission mechanism, a dressing assembly, a transmission mechanism fixing assembly and a grinding machine feeding panel. The transmission mechanism is installed on a feeding panel of the grinding machine through the transmission mechanism fixing assembly, and the trimming assembly is installed at one end of the transmission mechanism. A workpiece and a grinding wheel are arranged in the direction of the transmission mechanism where the dressing assembly is installed, and the dressing assembly at the end of the transmission mechanism corresponds to the grinding wheel in position. The grinding wheel width can be automatically trimmed while a product is machined, potential safety hazards caused by manual trimming of the grinding wheel by an operator are avoided, the grinding wheel trimming precision is improved, matching of the grinding wheel width and the raceway width is guaranteed, abrasion of the grinding wheel to a flange is avoided, meanwhile, thorough grinding of the whole surface of the raceway can be guaranteed, the grinding efficiency is improved, and the production cost is reduced. And meanwhile, potential safety hazards are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing manufacturing process inner ring raceway grinding processing, concretely relates to a kind of bearing inner raceway grinding machine grinding wheel width automatic dressing device, belong to bearing processing technical field. BACKGROUND

[0002] At present, tapered roller bearing is widely used in automobile, rolling mill, mine, metallurgy, plastic machinery and other industries as a kind of general-purpose, high-standard mechanical basic part, which can bear larger radial load and axial load compared with other types of rolling bearings.

[0003] The inner ring raceway of tapered roller bearing is its important working surface, which has important influence on the rotation accuracy, vibration, noise and service life of bearing. The grinding process of raceway is the most important machining process of tapered roller bearing inner ring, and the machining quality directly affects the quality of the whole bearing. The grinding wheel, as the main abrasive of this process, directly affects the grinding quality of raceway when cooperating with the grinding size of raceway. If the width size of grinding wheel is too large, interference will occur between grinding wheel and bearing retainer during grinding process, causing retainer damage. If the width size of grinding wheel is too small, the raceway width will not be fully contacted, resulting in insufficient grinding of raceway width and affecting the assembly accuracy of bearing. Manual dressing of grinding wheel width has large error, which cannot guarantee the complete matching of grinding wheel width and raceway width. SUMMARY

[0004] The utility model further improves the matching of raceway and grinding wheel width, provides a kind of bearing inner raceway grinding machine grinding wheel width automatic dressing device, its structure is reasonable, application is convenient, guarantees the dressing precision of grinding wheel width, further improves bearing grinding quality, simultaneously avoids manual dressing grinding wheel, improves production efficiency.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the technical scheme of: a kind of bearing inner raceway grinding machine grinding wheel width automatic dressing device, comprising: transmission mechanism, dressing assembly, transmission mechanism fixed component and grinding machine feed panel;The transmission mechanism is installed on the grinding machine feed panel by transmission mechanism fixed component, and the dressing assembly is installed at one end of the transmission mechanism;Workpiece and grinding wheel are arranged in the direction of the transmission mechanism where the dressing assembly is installed, and the dressing assembly at the end of the transmission mechanism corresponds to the position of the grinding wheel;

[0006] Further, one end of the transmission mechanism where the dressing assembly is installed is the feed end, and the other end is the power end;The workpiece and the grinding wheel are located in the direction of the feed end;

[0007] Further, the workpiece is located above the grinding wheel and is fixed by a workpiece shaft, and the raceway of the workpiece faces the outer diameter of the grinding wheel.

[0008] Further, one end of the grinding wheel is connected to a grinding wheel shaft;

[0009] Further, the workpiece shaft is fixedly installed on the grinding machine feeding panel through a nut; the grinding machine feeding panel feeds, and the workpiece shaft moves along;

[0010] Further, the transmission mechanism comprises at least two transmission plates, a lead screw and locking nuts; the two transmission plates are vertically fixed to upper ends of a transmission mechanism fixing assembly and are arranged side by side, and a spacing is arranged between the two transmission plates; mounting holes are arranged at the same height positions of the two transmission plates respectively, the lead screw passes through the mounting holes of the two transmission plates from a power end to a feeding end in sequence, and the lead screw is supported in the two transmission plates; one locking nut is arranged on the lead screw at a front or rear position of the two transmission plates respectively; the lead screw is fixed or disassembled through the cooperation of the internal thread of the locking nut and the external thread of the lead screw in tightness;

[0011] Further, a trimming assembly is installed at a front end of the lead screw, and a circular handle is arranged at a tail end; the trimming assembly comprises a diamond pen and a fastening bolt, and corresponding bolt holes are arranged at a joint of the front end of the lead screw and the diamond pen, and the diamond pen is installed on the lead screw through the fastening bolt;

[0012] Further, the transmission mechanism fixing assembly comprises a horizontal support plate, a vertical support plate and mounting bolts, the vertical support plate is connected with one end of the horizontal support plate to form an L-shaped right-angle structure, the transmission plates in the transmission mechanism are fixedly installed on an upper surface of the horizontal support plate, and the horizontal support plate and an upper portion of the grinding machine feeding panel and the vertical support plate and a side surface of the grinding machine feeding panel are all fixed through the mounting bolts;

[0013] Further, the number of the mounting bolts on the horizontal support plate and the vertical support plate is appropriately set according to specific requirements for stability, and the preferred number is generally 1-2.

[0014] The automatic trimming device adopting the scheme has the beneficial effects that:

[0015] In view of the blank in the technical field at the present stage, the bearing inner raceway grinding machine grinding wheel automatic trimming device is developed and designed, can realize automatic trimming of the grinding wheel width while machining products, avoids safety hazards caused by manual trimming of the grinding wheel by an operator, improves grinding wheel trimming precision, guarantees matching of the grinding wheel width and the raceway width, avoids grinding damage of the grinding wheel to the retaining edge, can guarantee grinding of the entire surface of the raceway completely, improves grinding efficiency and grinding precision, and avoids safety hazards. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure diagram of the grinding wheel width automatic trimming device.

[0017] Figure 2 It is Figure 1Application state diagram of the device.

[0018] In the figure, the automatic dressing device structure: 1, grinding machine feeding panel, 2, workpiece (bearing inner ring), 3, grinding wheel, 4, workpiece shaft, 5, grinding wheel shaft, 6, transmission plate, 7, screw, 8, locking nut, 9, diamond pen, 10, fastening bolt, 11, horizontal support plate, 12, vertical support plate, 13, mounting bolt;

[0019] The automatic dressing device is applied in: A, automatic dressing device, B, panel feeding direction, C, workpiece rotation direction, D, grinding wheel rotation direction. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent, obvious and easy to understand, the specific embodiments of the utility model are described in detail below. In the following description, a lot of specific details are set forth in order to fully understand the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0021] As shown in the bearing inner raceway grinding machine grinding wheel width automatic dressing device shown in Figure 1 , 2 , comprising: transmission mechanism, dressing assembly, transmission mechanism fixing assembly and grinding machine feeding panel 1;The transmission mechanism is installed on the grinding machine feeding panel 1 through the transmission mechanism fixing assembly, and the dressing assembly is installed at one end of the transmission mechanism;Workpiece 2 and grinding wheel 3 are arranged in the direction of the transmission mechanism where the dressing assembly is installed, and the dressing assembly at the end of the transmission mechanism corresponds to the position of the grinding wheel 3;

[0022] The dressing device with the above structure adjusts the position of the transmission mechanism according to the width of the inner raceway of the workpiece 2, so that the dressing assembly on the transmission mechanism matches the width of the grinding wheel with the width of the raceway of the workpiece;Further, under the action of the movement of the grinding machine feeding panel 1, the dressing device drives the grinding wheel 3 to be dressed;

[0023] The one end of the transmission mechanism where the dressing assembly is installed is the feeding end, and the other end is the power end;The workpiece 2 and the grinding wheel 3 are both located in the direction of the feeding end;When in use, the position of the transmission mechanism is changed by operating the power end of the transmission mechanism, so that the transmission mechanism is close to or away from the grinding wheel 3;

[0024] The workpiece 2 is located above the grinding wheel 3 and is fixed by the workpiece shaft 4, and the raceway of the workpiece 2 faces the outer diameter of the grinding wheel 3;

[0025] One end of the grinding wheel 3 is connected to the grinding wheel shaft 5;

[0026] The workpiece shaft 4 is installed on the feed grinding machine panel 1 through a screw nut; the grinding machine feed panel feeds, and the workpiece shaft follows the movement; the grinding machine feed panel is square, and the lower surface has a screw rod and a guide rail;

[0027] The transmission mechanism comprises at least two transmission plates 6, a screw rod 7 and locking nuts 8; the two transmission plates 6 are vertically fixed to the upper end of the transmission mechanism fixing assembly and are arranged side by side, and the interval between the two transmission plates 6 is set; mounting holes are arranged at the same height position on the two transmission plates 6 respectively, the screw rod 7 passes through the mounting holes of the two transmission plates 6 from the power end to the feed end in sequence, and the screw rod 7 is supported in the two transmission plates 6; one locking nut 8 is arranged on the screw rod 7 at the front and rear positions of the two transmission plates 6 respectively; the screw rod 7 is fixed or disassembled through the cooperation of the tightness of the inner thread of the locking nut 8 and the outer thread of the screw rod 7;

[0028] The two transmission plates 6 are used to support the screw rod 7, and the interval between the two transmission plates 6 is set according to the overall length of the screw rod 7, so that the two transmission plates 6 can support the screw rod 7 and keep stable support;

[0029] The locking nuts 8 at the front and rear of the transmission plate 6 are arranged to fix the position of the screw rod 7;

[0030] The front end of the screw rod 7 is provided with a trimming assembly, and the end is provided with a circular handle; the trimming assembly comprises a diamond pen 9 and a fastening bolt 10, and the front end of the screw rod 7 and the joint of the diamond pen 9 are provided with corresponding bolt holes, and the diamond pen 9 is installed on the screw rod 7 through the fastening bolt 10;

[0031] The transmission mechanism fixing assembly comprises a horizontal support plate 11, a vertical support plate 12 and mounting bolts 13, the vertical support plate 12 is connected with one end of the horizontal support plate 11 to form an "L" shaped right angle structure; the transmission plate 6 in the transmission mechanism is fixedly installed on the upper surface of the horizontal support plate 11; the horizontal support plate 11 and the upper part of the grinding machine feed panel 1, and the vertical support plate 12 and the side surface of the grinding machine feed panel 1 are fixed through the mounting bolts 13;

[0032] The number of mounting bolts 13 on the horizontal support plate 11 and the vertical support plate 12 is appropriately set according to the specific requirements of stability, and the preferred number is generally 1-2.

[0033] It should be noted that in the application state of the automatic trimming device, the workpiece shaft 4, the workpiece 3 (bearing inner ring), the transmission mechanism and the transmission mechanism fixing assembly below are all installed on the grinding machine feed panel 1, and the side of the grinding machine feed panel 2 where the vertical support plate 12 is located is opposite to the side of the grinding machine feed panel 1 where the workpiece 2 is located;

[0034] When each time processing product, according to the width of the inner raceway of bearing inner ring 2, the screw rod 7 of the transmission mechanism of the device is adjusted, first, loosen the locking nut 8 on the screw rod 7, adjust the width of the grinding wheel 3 trimmed by the sharp pencil 9 at the front end of the screw rod 7 to match the width of the inner raceway of the inner ring 2, at this time, tighten the locking nut 8 in front of and behind the transmission plate 6 to fix the position of the screw rod 7, so that the screw rod 7 cannot move in the two transmission plates 6;The position is fixed after the width trimming size of the grinding wheel 3 is fixed.

[0035] When the device starts to run, with the movement of the grinding machine feed panel 1, the trimming device is driven to trim the width of the grinding wheel 3, so that the width of the grinding wheel 3 always matches the width of the raceway.

[0036] During trimming, the position of the grinding wheel is fixed, and the rest of the components move with the grinding machine feed panel, the sharp pencil tip is on the outer diameter of the grinding wheel, and the workpiece shaft and the sharp pencil are fed in the vertical direction of the grinding wheel shaft with the movement of the grinding machine feed panel, and the width trimming of the grinding wheel is completed synchronously.

[0037] The grinding wheel trimming operation implemented by the automatic trimming device eliminates the width error caused by manual trimming of the grinding wheel, avoids the phenomenon of incomplete grinding of the raceway width and damage to the retaining edge, improves the processing quality of the inner raceway of the tapered roller bearing, and also avoids stopping the device running during the process, reduces the labor intensity of the operator, improves the production efficiency, avoids safety hazards, and provides high reliability products for customers with high stability of the raceway quality, further wins the recognition of customers.

[0038] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, structure and operation, therefore, it cannot be understood as a limitation on the utility model.

[0039] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0040] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated; can be mechanical connection, also can be electrical connection; can be direct connection, also can indirectly connect through the intermediate medium, can be the communication of two elements or the interaction of two elements, unless another definite limitation. For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0041] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature can be that the first and second features directly contact, or the first and second features indirectly contact through an intermediate medium. Moreover, the first feature "over", "above" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

Claims

1. A bearing inner raceway grinding machine wheel width automatic dressing device, characterized in that, The utility model relates to a transmission mechanism, a trimming assembly, a transmission mechanism fixing assembly and a grinding machine feeding panel, the transmission mechanism is installed on the grinding machine feeding panel through the transmission mechanism fixing assembly, the trimming assembly is installed at one end of the transmission mechanism, a workpiece and a grinding wheel are arranged in the direction of the transmission mechanism where the trimming assembly is installed, the trimming assembly at the end of the transmission mechanism corresponds to the position of the grinding wheel, The transmission mechanism comprises at least two transmission plates, a lead screw and locking nuts, the two transmission plates are vertically fixed to the upper end of the transmission mechanism fixing assembly and are arranged side by side, and a spacing is arranged between the two transmission plates, mounting holes are arranged at the same height positions of the two transmission plates respectively, the lead screw passes through the mounting holes of the two transmission plates from the power end to the feeding end in sequence, and the lead screw is supported in the two transmission plates, one locking nut is arranged on the lead screw at the front and rear positions of the two transmission plates respectively, and the lead screw is fixed or disassembled by the cooperation between the inner thread of the locking nut and the outer thread of the lead screw in loose and tight modes. One end of the transmission mechanism where the trimming assembly is installed is the feeding end, and the other end is the power end, the workpiece and the grinding wheel are arranged in the direction of the feeding end.

2. The apparatus of claim 1, wherein: The workpiece is arranged above the grinding wheel and is fixed through a workpiece shaft, and the workpiece raceway faces the outer diameter of the grinding wheel.

3. The apparatus of claim 1, wherein: The workpiece shaft is installed on the grinding machine feeding panel through a nut.

4. The apparatus of claim 3, wherein: The front end of the lead screw is provided with the trimming assembly, and a circular handle is arranged at the tail end, the trimming assembly comprises a diamond pen and a fastening bolt, the front end of the lead screw and the diamond pen are connected to each other and are provided with corresponding bolt holes, and the diamond pen is installed on the lead screw through the fastening bolt.

5. The apparatus of claim 1, wherein: The transmission mechanism fixing assembly comprises a horizontal support plate, a vertical support plate and mounting bolts, the vertical support plate is connected with one end of the horizontal support plate to form an L-shaped right-angle structure, the transmission plates in the transmission mechanism are fixedly installed on the upper surface of the horizontal support plate, and the horizontal support plate and the upper part of the grinding machine feeding panel and the vertical support plate and the side surface of the grinding machine feeding panel are fixed through the mounting bolts.

6. The apparatus of claim 1, wherein: The number of mounting bolts on the horizontal support plate and the vertical support plate is appropriately set according to the specific requirements of stability.

7. The apparatus of claim 6, wherein: The number of mounting bolts on the horizontal support plate and the vertical support plate is set to be 1-2.

8. The apparatus of claim 7, wherein: ​

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