CN215282764U - Special motor for stone processing machine - Google Patents
Special motor for stone processing machine Download PDFInfo
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- CN215282764U CN215282764U CN202022966628.0U CN202022966628U CN215282764U CN 215282764 U CN215282764 U CN 215282764U CN 202022966628 U CN202022966628 U CN 202022966628U CN 215282764 U CN215282764 U CN 215282764U
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Abstract
Stone material processing machinery special motor, including the motor main shaft, the main shaft is including the main part section that is located the intermediate position, and main part section one end extends along the axial and forms first main section, first vice section and the first linkage segment of supporting, and the main part section other end extends along the axial and forms second main section, the vice section and the second linkage segment of supporting of second, and first spread groove and second spread groove have been seted up respectively to first linkage segment and second linkage segment side. The utility model discloses a first main supporting section and second main supporting section are used for cooperating with angular contact bearing to guarantee that the main shaft can not move along the axial, and play radial supporting role, wherein first pair of supporting sections and second pair of supporting sections are used for cooperating with cylindrical roller bearing, are used for radial support completely, support through two sections supporting sections simultaneously and guarantee radial bearing capacity; in addition, through first tool withdrawal groove, second tool withdrawal groove, first fillet, second fillet, first arc transition groove section and second arc transition groove section reduction stress concentration, guarantee bearing capacity.
Description
Technical Field
The utility model relates to a special motor field, more specifically the special motor of stone material processing machinery that says so.
Background
The common motor design is that the electromagnetic scheme of the motor is designed according to various index requirements of national GB and enterprise mark JB, and the designed motor is qualified after reaching the standard index requirements through a type test.
The motor matched with the stone processing machinery cannot meet various dynamic requirements in the processing process by adopting the motor designed according to the national and enterprise standard requirements, and if the standard conventional motor is matched for use, the motor cannot normally work, and if the standard conventional motor is heavy, the motor is burnt; therefore, the motor matched with the stone processing machine cannot be matched with a motor designed according to the conventional standard, and must be designed according to the specific working condition in the dynamic process of the motor.
By carefully knowing and observing the dynamic conditions in the stone processing process, it is found that:
1. the starting of the motor equipment is not all no-load starting, the stone processing process stops processing in the midway due to the reasons of longer stone raw material, hard hardness and long processing time, but the processing from the beginning is on-load starting, so that the locked-rotor torque multiple of the motor is required to be large, otherwise, the motor is difficult to start;
2. the cutting speed of the raw materials in the cutting process is different, and in order to improve the working efficiency, the cutting speed of the hard raw materials is required to be improved, so that the overload capacity of the motor is required to meet the requirement of overload operation;
3. the stone processing machinery equipment is in a gantry structure form, a motor transversely and longitudinally travels on a gantry frame, the motor and a processing tool are driven by a belt pulley, and the belt pulley needs 12-15V-belt drives, so that the mechanical strength of a rotating shaft of the motor must meet the torque force and the tangential force of the motor in the processing process, and the rotating shaft is prevented from being cut off due to overlarge torque force and tangential force.
Therefore, the motor of the stone processing machine, especially the motor spindle, needs to be subjected to strengthening design, not only to normalizing heat treatment to strengthen the strength, but also to optimized design of the size and the structure.
SUMMERY OF THE UTILITY MODEL
The utility model provides a special motor for stone processing machinery, which is used for matching with an angular contact bearing through a first main supporting section and a second main supporting section to ensure that a main shaft can not move along the axial direction and play a radial supporting role, wherein the first auxiliary supporting section and the second auxiliary supporting section are used for matching with a cylindrical roller bearing and are completely used for radial supporting, and the radial bearing capacity is ensured through the simultaneous supporting of the two supporting sections; in addition, through first tool withdrawal groove, second tool withdrawal groove, first fillet, second fillet, first arc transition groove section and second arc transition groove section reduction axle extension end's stress concentration, guarantee bearing capacity.
The specific technical scheme of the utility model as follows, stone material processing machinery special motor, including the motor spindle, the main shaft is including the main part section that is located the intermediate position, main part section one end forms first main support section, first pair support section and first linkage segment along axial extension, the main part section other end forms second main support section, the vice support section of second and second linkage segment along axial extension, first linkage segment with first spread groove and second spread groove have been seted up respectively to second linkage segment side.
The stone processing machinery equipment is in a gantry structure form, a motor transversely and longitudinally travels on a gantry frame, the motor and a processing tool are driven by a belt pulley, and the belt pulley needs 12-15V-belt drives, so that the mechanical strength of a rotating shaft of the motor must meet the torque force and the tangential force of the motor in the processing process, and the rotating shaft is prevented from being cut off due to overlarge torque force and tangential force; in order to ensure the bearing capacity of the shaft extension end of the motor spindle to the torsion and the shearing force, a cylindrical roller bearing and an angular contact bearing are required to be installed at the shaft extension end at the same time, wherein the first main supporting section and the second main supporting section are used for being matched with the angular contact bearing to ensure that the spindle cannot move along the axial direction and play a role in radial supporting, the first auxiliary supporting section and the second auxiliary supporting section are used for being matched with the cylindrical roller bearing and are completely used for radial supporting, and the radial bearing capacity is ensured by the simultaneous supporting of the two supporting sections; the first connecting section and/or the second connecting section are/is used for being connected with a belt pulley, and the first connecting groove and/or the second connecting groove are/is used for fixing the belt pulley.
As a preference of the present invention, the main body section diameter is larger than the first main supporting section and the second main supporting section diameter, the first main supporting section and the second main supporting section diameter are larger than the first auxiliary supporting section and the second auxiliary supporting section diameter, the first auxiliary supporting section and the second auxiliary supporting section diameter are larger than the first connecting section and the second connecting section diameter, and the first connecting section and the second connecting section diameter are not smaller than 80% of the main body section diameter.
Therefore, the diameters of the first connecting section and the second connecting section from the main body section to the shaft extension end are gradually reduced in a small range, and the first main supporting section, the second main supporting section, the first auxiliary supporting section, the second auxiliary supporting section, the first connecting section and the second connecting section are guaranteed to meet the strength requirement of radial support.
As the utility model discloses a preferred, first main section of supporting with the first tool withdrawal groove has been seted up to the main part section junction, the second main section of supporting with the second tool withdrawal groove has been seted up to the main part section junction.
Therefore, the first tool withdrawal groove and the second tool withdrawal groove are formed, so that the angular contact bearing can be better matched with the first main supporting section and the second main supporting section.
As the utility model discloses a preferred, first escape groove with be equipped with the transition circular arc between second escape groove tank bottom both sides and the side, transition circular arc radius is not less than 1 mm.
Therefore, transition arcs are arranged between the two sides of the bottoms of the first tool withdrawal groove and the second tool withdrawal groove and the side edges of the first tool withdrawal groove and the second tool withdrawal groove, stress concentration can be reduced, and the radial bearing capacity of the shaft extension end is guaranteed.
As the utility model discloses a preferred, first main section of supporting first vice section of supporting the second main section of supporting vice section surface roughness of supporting of second is no longer than ra0.8.
Therefore, the outer circles of the first main supporting section, the first auxiliary supporting section, the second main supporting section and the second auxiliary supporting section are matched with inner holes of the cylindrical roller bearing and the angular contact bearing, and the surface roughness of the outer circles of the first main supporting section, the first auxiliary supporting section, the second main supporting section and the second auxiliary supporting section is not more than Ra0.8, so that better matching can be guaranteed.
As the utility model discloses a preferred, the main part section both ends with the first main supporting section with the surface roughness of the terminal surface of the second main supporting section junction is no longer than Ra3.2.
Therefore, the angular contact bearing side supporting surface is matched with the end surface of the main body segment, and the surface roughness does not exceed Ra3.2, so that better matching can be ensured.
As the utility model discloses a preferred, first linkage segment with first vice support section junction passes through first fillet transition, the second linkage segment with the vice support section junction of second passes through second fillet transition, first fillet with second fillet radius is not less than 1.5 mm.
Therefore, through the transition of the first fillet and the second fillet, the stress concentration at the joint of the first connecting section and the second connecting section can be reduced, and the radial bearing capacity of the shaft extension end is ensured.
As the utility model discloses a preferred, first spread groove include first straight line groove section and by first straight line groove section groove bottom to the first arc transition groove section of first spread groove excircle transition, the second spread groove include second straight line groove section and by second straight line groove section groove bottom to the second arc transition groove section of second spread groove excircle transition.
Therefore, the tail ends of the first linear groove section and the second linear groove section are respectively transited through the first arc-shaped transition groove section and the second arc-shaped transition groove section, so that the stress concentration of the bottoms of the first connecting groove and the second connecting groove can be reduced, and the effective bearing can be guaranteed under the condition that the load of the belt pulley is large.
As the utility model discloses a preferred, first arc transition groove section with second arc transition groove section radius is not less than 50 mm.
Therefore, when the radius of the first arc-shaped transition groove section and the radius of the second arc-shaped transition groove section are larger, stress concentration can be better avoided.
To sum up, the utility model discloses following beneficial effect has:
the utility model discloses a special motor of stone material processing machinery is used for cooperating with angular contact bearing through first main supporting section and second main supporting section to guarantee that the main shaft can not follow axial displacement, and play radial supporting role, wherein first vice supporting section and second vice supporting section are used for cooperating with cylindrical roller bearing, are used for radial support completely, support simultaneously through two sections supporting sections and guarantee radial bearing capacity; in addition, through first tool withdrawal groove, second tool withdrawal groove, first fillet, second fillet, first arc transition groove section and second arc transition groove section reduction axle extension end's stress concentration, guarantee bearing capacity.
Drawings
FIG. 1 is a front view of the motor spindle for stone processing machinery of the present invention;
FIG. 2 is a partially enlarged view of the first tool-retracting groove and the second tool-retracting groove of the special motor for stone processing machinery of the present invention after reversing;
FIG. 3 is a partial enlarged view of the special motor for stone processing machinery after the first round angle and the second round angle are reversed;
in the figure, 1-main shaft, 11-main body section, 12-first main supporting section, 121-first tool withdrawal groove, 13-first auxiliary supporting section, 14-first connecting section, 141-first fillet, 15-second main supporting section, 151-second tool withdrawal groove, 16-second auxiliary supporting section, 17-second connecting section, 171-second fillet, 18-first connecting groove, 181-first straight line groove section, 182-first arc transition groove section, 19-second connecting groove, 191-second straight line groove section and 192-second arc transition groove section.
Detailed Description
The present invention will be further explained by the following embodiments with reference to the attached drawings.
As shown in fig. 1, the motor dedicated for stone processing machinery comprises a motor spindle 1, wherein the spindle 1 comprises a main body section 11 located at a middle position, one end of the main body section 11 extends along an axial direction to form a first main supporting section 12, a first auxiliary supporting section 13 and a first connecting section 14, the other end of the main body section 11 extends along the axial direction to form a second main supporting section 15, a second auxiliary supporting section 16 and a second connecting section 17, and a first connecting groove 18 and a second connecting groove 19 are respectively formed in side surfaces of the first connecting section 14 and the second connecting section 17.
The stone processing machinery equipment is in a gantry structure form, a motor transversely and longitudinally travels on a gantry frame, the motor and a processing tool are driven by a belt pulley, and the belt pulley needs 12-15V-belt drives, so that the mechanical strength of a rotating shaft of the motor must meet the torque force and the tangential force of the motor in the processing process, and the rotating shaft is prevented from being cut off due to overlarge torque force and tangential force; in order to ensure the bearing capacity of the shaft extension end of the motor main shaft 1 to the torsion and the shearing force, a cylindrical roller bearing and an angular contact bearing need to be installed at the shaft extension end at the same time, wherein a first main supporting section 12 and a second main supporting section 15 are used for being matched with the angular contact bearing to ensure that the main shaft 1 cannot move along the axial direction and play a role in radial supporting, a first auxiliary supporting section 13 and a second auxiliary supporting section 16 are used for being matched with the cylindrical roller bearing and are completely used for radial supporting, and the radial bearing capacity is ensured by the simultaneous supporting of the two supporting sections; the first coupling section 14 and/or the second coupling section 17 are used to couple with a pulley, and the first coupling groove 18 and/or the second coupling groove 19 are used to fix the pulley.
As shown in fig. 1, the diameter of the main body section 11 is larger than the diameters of the first main support section 12 and the second main support section 15, the diameters of the first main support section 12 and the second main support section 15 are larger than the diameters of the first auxiliary support section 13 and the second auxiliary support section 16, the diameters of the first auxiliary support section 13 and the second auxiliary support section 16 are larger than the diameters of the first connecting section 14 and the second connecting section 17, and the diameters of the first connecting section 14 and the second connecting section 17 are not smaller than 80% of the diameter of the main body section 11.
Therefore, the diameters of the first connecting section 14 and the second connecting section 17 from the main body section 11 to the shaft extending end are gradually reduced in a small range, and the first main supporting section 12, the second main supporting section 15, the first auxiliary supporting section 13, the second auxiliary supporting section 16, the first connecting section 14 and the second connecting section 17 are guaranteed to meet the strength requirement of radial support.
As shown in fig. 1 and 2, a first relief groove 121 is formed at the joint of the first main supporting section 12 and the main body section 11, and a second relief groove 151 is formed at the joint of the second main supporting section 15 and the main body section 11.
Thus, the provision of the first relief groove 121 and the second relief groove 151 enables the angular contact bearing to be better fitted with the first main support section 12 and the second main support section 15.
As shown in fig. 1 and 2, a transition arc is arranged between the two sides and the side edges of the bottoms of the first tool withdrawal groove 121 and the second tool withdrawal groove 151, and the radius of the transition arc is not less than 1 mm.
Therefore, transition arcs are arranged between the two sides of the bottoms of the first tool withdrawal groove 121 and the second tool withdrawal groove 151 and the side edges, stress concentration can be reduced, and the radial bearing capacity of the shaft extension end is guaranteed.
As shown in FIG. 1, the surface roughness of the first main supporting section 12, the first auxiliary supporting section 13, the second main supporting section 15 and the second auxiliary supporting section 16 does not exceed Ra0.8.
Therefore, the excircle of the first main supporting section 12, the excircle of the first auxiliary supporting section 13, the excircle of the second main supporting section 15 and the excircle of the second auxiliary supporting section 16 are matched with the inner holes of the cylindrical roller bearing and the angular contact bearing, and the surface roughness of the excircle does not exceed Ra0.8, so that the better matching can be ensured.
As shown in fig. 1, the surface roughness of the end surfaces of the main body segment 11 where the two ends are connected with the first main support segment 12 and the second main support segment 15 does not exceed ra 3.2.
Therefore, the angular contact bearing side supporting surface is matched with the end face of the main body segment 11, and the surface roughness does not exceed Ra3.2, so that better matching can be ensured.
As shown in fig. 1 and 3, the junction between the first connecting section 14 and the first secondary support section 13 is transited by a first rounded corner 141, the junction between the second connecting section 17 and the second secondary support section 16 is transited by a second rounded corner 171, and the radius of the first rounded corner 141 and the second rounded corner 171 is not less than 1.5 mm.
Therefore, through the transition of the first fillet 141 and the second fillet 171, the stress concentration at the joint of the first connecting section 14 and the second connecting section 17 can be reduced, and the radial bearing capacity of the shaft extension end is ensured.
As shown in fig. 1, the first connection groove 18 includes a first straight groove section 181 and a first arc-shaped transition groove section 182 that transitions from the groove bottom of the first straight groove section 181 to the outer circle of the first connection section 14, and the second connection groove 19 includes a second straight groove section 191 and a second arc-shaped transition groove section 192 that transitions from the groove bottom of the second straight groove section 191 to the outer circle of the second connection section 17.
Therefore, the tail ends of the first straight line groove section 181 and the second straight line groove section 191 are respectively transited through the first arc transition groove section 182 and the second arc transition groove section 192, so that the stress concentration at the bottoms of the first connecting groove 18 and the second connecting groove 19 can be reduced, and the effective bearing can be still ensured under the condition of large belt pulley load.
As shown in fig. 1, the first arcuate transition trough section 182 and the second arcuate transition trough section 192 have a radius of no less than 50 mm.
Therefore, when the radii of the first arc-shaped transition groove section 182 and the second arc-shaped transition groove section 192 are large, stress concentration can be better avoided.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (9)
1. Stone material processing machinery special motor, including motor spindle (1), its characterized in that: the main shaft (1) is including being located main part section (11) of intermediate position, main part section (11) one end is followed axial extension and is formed first main support section (12), first vice support section (13) and first linkage segment (14), main part section (11) other end is followed axial extension and is formed second main support section (15), the vice support section of second (16) and second linkage segment (17), first linkage segment (14) with first connecting groove (18) and second connecting groove (19) have been seted up respectively to second linkage segment (17) side.
2. The motor special for stone processing machinery of claim 1, characterized in that: the main body section (11) diameter is greater than the first main support section (12) and the second main support section (15) diameter, the first main support section (12) and the second main support section (15) diameter is greater than the first auxiliary support section (13) and the second auxiliary support section (16) diameter, the first auxiliary support section (13) and the second auxiliary support section (16) diameter is greater than the first connection section (14) and the second connection section (17) diameter, the first connection section (14) and the second connection section (17) diameter is not less than 80% of the main body section (11) diameter.
3. The motor special for stone processing machinery of claim 2, characterized in that: a first tool withdrawal groove (121) is formed at the joint of the first main supporting section (12) and the main body section (11), and a second tool withdrawal groove (151) is formed at the joint of the second main supporting section (15) and the main body section (11).
4. The motor special for stone processing machinery of claim 3, wherein: transition arcs are arranged between the two sides of the bottoms of the first tool withdrawal groove (121) and the second tool withdrawal groove (151) and the side edges, and the radius of the transition arcs is not less than 1 mm.
5. The motor special for stone processing machinery of claim 3, wherein: the surface roughness of the first main supporting section (12), the first auxiliary supporting section (13), the second main supporting section (15) and the second auxiliary supporting section (16) does not exceed Ra0.8.
6. The motor special for stone processing machinery of claim 5, wherein: the surface roughness of the end face of the joint of the two ends of the main body section (11) and the first main supporting section (12) and the second main supporting section (15) is not more than Ra3.2.
7. The motor special for stone processing machinery of claim 2, characterized in that: the junction of the first connecting section (14) and the first auxiliary supporting section (13) is transited through a first fillet (141), the junction of the second connecting section (17) and the second auxiliary supporting section (16) is transited through a second fillet (171), and the radius of the first fillet (141) and the second fillet (171) is not less than 1.5 mm.
8. The motor special for stone processing machinery of claim 1, characterized in that: the first connecting groove (18) comprises a first straight line groove section (181) and a first arc-shaped transition groove section (182) which is formed by the groove bottom of the first straight line groove section (181) and is transited to the excircle of the first connecting section (14), and the second connecting groove (19) comprises a second straight line groove section (191) and a second arc-shaped transition groove section (192) which is transited by the groove bottom of the second straight line groove section (191) and is transited to the excircle of the second connecting section (17).
9. The motor special for stone processing machinery of claim 8, wherein: the first arc transition groove section (182) and the second arc transition groove section (192) have a radius not less than 50 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022966628.0U CN215282764U (en) | 2020-12-10 | 2020-12-10 | Special motor for stone processing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022966628.0U CN215282764U (en) | 2020-12-10 | 2020-12-10 | Special motor for stone processing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215282764U true CN215282764U (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022966628.0U Active CN215282764U (en) | 2020-12-10 | 2020-12-10 | Special motor for stone processing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215282764U (en) |
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2020
- 2020-12-10 CN CN202022966628.0U patent/CN215282764U/en active Active
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