CN219818814U - Precise machine tool turntable structure - Google Patents
Precise machine tool turntable structure Download PDFInfo
- Publication number
- CN219818814U CN219818814U CN202320913619.6U CN202320913619U CN219818814U CN 219818814 U CN219818814 U CN 219818814U CN 202320913619 U CN202320913619 U CN 202320913619U CN 219818814 U CN219818814 U CN 219818814U
- Authority
- CN
- China
- Prior art keywords
- arc
- shaped
- processing platform
- platform
- concave surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003754 machining Methods 0.000 claims abstract description 24
- 238000005096 rolling process Methods 0.000 claims description 18
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model discloses a precise machine tool turntable structure, which comprises: the device comprises a frame, a servo motor, a fixed table and a processing platform; the machine frame is fixedly provided with a fixing table with a block-shaped structure, the fixing table is provided with an arc-shaped groove surface with a vertical axial lead to form an arc-shaped concave surface, the processing platform is of a flat plate structure, one side, close to the fixing table, of the processing platform is an arc-shaped convex surface to form an arc-shaped convex surface, the radius of the arc-shaped convex surface is consistent with that of the arc-shaped concave surface, and the fixing table and the processing platform are matched in a mode that the arc-shaped convex surface is embedded in the arc-shaped concave surface; a supporting and sliding mechanism for providing supporting function and assisting rotation for the processing platform is arranged below the fixed platform and the processing platform; an anti-tilting mechanism for preventing the fixed table and the processing platform from being separated is arranged above the fixed table and the processing platform; the side bearing and mounting capacity of the machining platform is enhanced, so that the worm and gear structure can be used for side machining of a machine tool.
Description
Technical Field
The utility model belongs to the technical field of machine tool supporting equipment, and particularly relates to a turntable structure of a precision machine tool.
Background
Machine tool machining is a common production mode in modern daily life, in the machining of some special parts, a procedure of machining only the side face of the part exists, and a common turbine worm driven turntable (such as a gapless numerical control turntable driving mechanism with the publication number of CN 102581677A) cannot bear strong side face bearing and mounting because of lacking a supporting structure in driving, and cannot be directly used for side machining of the part.
Disclosure of Invention
The object of the present utility model is to provide a turret structure for precision machine tools which solves the above mentioned problems of the prior art.
The technical aim of the utility model is realized by the following technical scheme:
a precision machine tool turret structure comprising: the device comprises a frame, a servo motor, a fixed table, a processing platform, a worm gear, an anti-tilting mechanism and a supporting and sliding mechanism; the machining platform is of a flat plate structure, the side, close to the fixing platform, of the machining platform is of an arc convex surface, the radius of the arc convex surface is identical to that of the arc concave surface, the fixing platform and the machining platform are matched in a mode that the arc convex surface is embedded in the arc concave surface, the machining platform forms a rotary pair by virtue of the arc concave surface and the fixing platform, four groups of arc-shaped sliding rails of the arc structure are fixed on the arc convex surface, an arc groove is formed between every two groups of arc-shaped sliding rails, two groups of guide arc plates embedded in the arc groove are arranged on the arc concave surface, two groups of bearing seats are arranged on two sides of the fixing platform, a worm is matched between the bearing seats and is positioned in a cavity reserved for the fixing platform, one end of the worm is fixed with an output shaft of a servo motor, the servo motor is fixed on the rack, an inner concave surface is arranged on the arc convex surface, and vortex teeth meshed with the worm are machined in the inner concave surface; a supporting and sliding mechanism for providing supporting function and assisting rotation for the processing platform is arranged below the fixed platform and the processing platform; and an anti-tilting mechanism for preventing the fixed table and the processing platform from being separated is arranged above the fixed table and the processing platform.
Further, the prop-slide mechanism includes: the device comprises an arc-shaped underframe, universal balls and ball grooves, wherein the arc-shaped underframe is fixedly connected to the bottom of a fixed table through a supporting frame, the axial lead of the arc-shaped underframe is coincident with the axial lead of an arc-shaped concave surface, a plurality of groups of universal balls are arranged on the arc-shaped underframe in an equidistant annular array mode, the spherical surfaces of the universal balls face upwards, and the ball grooves for the inner embedding of the tops of the universal balls are formed in the bottom of a processing platform.
Further, the anti-tilting mechanism includes: the anti-tilting frame is fixed on the fixed table and extends to the upper portion of the processing platform, the upper surface of the processing platform is provided with an arc-shaped groove which is concave downwards to form the anti-tilting rolling groove, the axial lead of the anti-tilting rolling groove is coincident with the axial lead of the arc-shaped convex surface, at least three groups of auxiliary wheels are embedded in the anti-tilting rolling groove, one side, close to the fixed table, of each auxiliary wheel is tangent to the side face of the anti-tilting rolling groove, and the auxiliary wheels are fixed on an extending portion, above the processing platform, of the anti-tilting frame by means of the bearing and the rotating shaft.
Furthermore, in order to facilitate equipment assembly and maintenance, the worm is connected with an output shaft of the servo motor by a detachable coupler.
Further, in order to enhance the sliding property of the guide arc plate in the arc groove, the friction force is small, the guide arc plate is movably embedded with balls for assisting sliding, and meanwhile, the arc groove is internally provided with a pipe-shaped groove for the balls to roll.
Further, in order to facilitate equipment assembly and maintenance, the arc-shaped sliding rail is detachably connected with the processing platform through bolts.
Further, in order to increase the deflection angle, the width of the arc-shaped underframe is larger than that of the fixed table, and the universal balls are distributed on the arc-shaped underframe at equal angles.
In summary, the utility model has the following beneficial effects:
through the establishment of anti-tilt mechanism, prop up smooth mechanism, when the processing platform rotates, the universal ball provides sliding support for the processing platform, and the ball groove is used for restricting the front and back deflection of universal ball, prevents that processing platform below and fixed station separation from deviating from, when the processing platform rotates, the auxiliary wheel can hug closely anti-tilt rolling groove side for the processing platform hugs closely the fixed station, prevents that processing platform top and fixed station separation from deviating from, and then makes anti-tilt mechanism, prop up smooth mechanism, has strengthened upper portion and lower part between processing platform and the fixed station respectively, has strengthened the side bearing mounting ability of processing platform for worm gear structure can be used for the side processing of lathe.
Drawings
FIG. 1 is a schematic diagram of an explosive structure of the present utility model;
FIG. 2 is a schematic view of the construction of the processing platform of the present utility model;
FIG. 3 is a schematic diagram of an assembled structure of the present utility model;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 5 is a schematic view of the structure of the supporting and sliding mechanism of the present utility model;
in the figure, 1, a frame 2 and a servo motor; 3. a fixed table; 4. a processing platform; 5. a worm; 6. a worm tooth; 7. an anti-tilting mechanism; 8. a supporting and sliding mechanism; 31. an arc-shaped concave surface; 32. a bearing seat; 33. a guide arc plate; 34. a ball; 35. a support frame; 41. an arcuate convex surface; 42. an arc-shaped slide rail; 43. an arc groove; 71. an anti-tilting frame; 72. an auxiliary wheel; 73. an auxiliary bearing; 74. anti-tilting rolling grooves; 81. an arc-shaped underframe; 82. a universal ball; 83. ball grooves.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1-5, the present utility model provides the following technical solutions: a precision machine tool turret structure comprising: the device comprises a frame 1, a servo motor 2, a fixed table 3, a processing platform 4, a worm 5, a worm tooth 6, an anti-tilting mechanism 7 and a supporting and sliding mechanism 8; the machine frame 1 is fixedly provided with a fixing table 3 with a block-shaped structure, the fixing table 3 is provided with an arc-shaped groove surface with a vertical axial lead to form an arc-shaped concave surface 31, the machining platform 4 is of a flat plate structure, one side of the machining platform 4, which is close to the fixing table 3, is an arc-shaped convex surface 41, the radius of the arc-shaped convex surface 41 is consistent with that of the arc-shaped concave surface 31, the fixing table 3 and the machining platform 4 are matched in a mode that the arc-shaped convex surface 41 is embedded in the arc-shaped concave surface 31, the machining platform 4 forms a rotary pair by means of the arc-shaped concave surface 31 and the fixing table 3, the arc-shaped convex surface 41 is fixedly provided with arc-shaped sliding rails 42 with four groups of arc-shaped structures, an arc groove 43 is formed between every two groups of arc-shaped sliding rails 42, two groups of guide arc-shaped plates 33 embedded in the arc groove 43 are arranged on the arc-shaped concave surface 31, two groups of bearing seats 32 are arranged on two sides of the fixing table 3, a worm 5 is matched between the bearing seats 32 by adopting bearings, one end of the worm 5 is fixed with an output shaft of the servo motor 2, the servo motor 2 is fixed on the machine frame 1, the arc-shaped convex surface 41 is provided with an indent, and the worm 6 meshed with the worm 6 in the indent; a supporting and sliding mechanism 8 which provides supporting function and auxiliary rotation for the processing platform 4 is arranged below the fixed platform 3 and the processing platform 4; an anti-tilting mechanism 7 for preventing the fixed table 3 and the processing platform 4 from separating is arranged above the fixed table 3 and the processing platform 4.
The supporting and sliding mechanism 8 comprises: the arc underframe 81, the universal balls 82 and the ball grooves 83 are fixedly connected with the arc underframe 81 at the bottom of the fixed table 3 by the support frame 35, the axial lead of the arc underframe 81 and the axial lead of the arc concave surface 31 are overlapped, a plurality of groups of the universal balls 82 are arranged on the arc underframe 81 in an equidistant annular array, the spherical surfaces of the universal balls 82 face upwards, and the ball grooves 83 for the inner embedding of the tops of the universal balls 82 are arranged at the bottom of the processing platform 4.
The anti-tilting mechanism 7 includes: the anti-tilting frame 71, the auxiliary wheel 72, the auxiliary bearing 73 and the anti-tilting rolling groove 74, wherein the anti-tilting frame 71 is fixed on the fixed table 3 and extends to the upper part of the processing platform 4, the upper surface of the processing platform 4 is provided with a downward concave arc groove to form the anti-tilting rolling groove 74, the axial lead of the anti-tilting rolling groove 74 is coincident with the axial lead of the arc convex surface 41, at least three groups of auxiliary wheels 72 are embedded in the anti-tilting rolling groove 74, one side, close to the fixed table 3, of the auxiliary wheels 72 is tangent to the side surface of the anti-tilting rolling groove 74, and the auxiliary wheels 72 are fixed on an extending part above the processing platform 4, which is extended by the anti-tilting frame 71, by means of the bearing and the rotating shaft.
The worm 5 is connected with the output shaft of the servo motor 2 by adopting a detachable coupling.
The guide arc plate 33 is movably embedded with a ball 34 for assisting sliding, and a pipe-shaped groove for rolling the ball 34 is arranged in the arc groove 43.
The arc-shaped sliding rail 42 is detachably connected with the processing platform 4 through bolts.
The width of the arc-shaped underframe 81 is larger than that of the fixed table 3, and the universal balls 82 are distributed on the arc-shaped underframe 81 at equal angles.
When the device is used, a part to be machined is fixed on a plane of a machining platform 4 far away from a fixed table 3 by using an external clamp, when a machine tool cutter is required to process a side angle of the part, a servo motor 2 is started to rotate, the servo motor 2 drives a worm 5 to rotate, and because the worm 5 is meshed with a worm tooth 6, the worm 5 drives the worm tooth 6 to move on the worm 5, and then drives the machining platform 4 where the worm tooth 6 is positioned to rotate, so that deflection of the machining platform 4 is completed, and then the machine tool is assisted to process the side angle of the part; when the processing platform 4 rotates, the guide arc plate 33 rotates in the arc groove 43 to provide a guide function for the rotation of the processing platform 4, and the balls 34 on the guide arc plate 33 provide a sliding auxiliary and limiting function for the rotation of the processing platform 4; when the processing platform 4 rotates, the universal ball 82 provides sliding support for the processing platform 4, the ball groove 83 is used for limiting front-back deflection of the universal ball 82 and preventing the separation and the separation of the lower part of the processing platform 4 and the fixed table 3, and when the processing platform 4 rotates, the auxiliary wheel 72 can cling to the side surface of the anti-tilting rolling groove 74, so that the processing platform 4 clings to the fixed table 3 and the separation of the upper part of the processing platform 4 and the fixed table 3 are prevented, and the reliability of the turntable is further enhanced.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
Claims (7)
1. A precision machine tool turret structure comprising: a frame (1), a fixed table (3) and a processing platform (4); the machine frame (1) is fixedly provided with a fixing table (3) with a block-shaped structure, the fixing table (3) is provided with an arc-shaped groove surface with a vertical axial lead to form an arc-shaped concave surface (31), the machining platform (4) is of a flat plate structure, one side of the machining platform (4) close to the fixing table (3) is provided with an arc-shaped convex surface (41), the radius of the arc-shaped convex surface (41) is consistent with the radius of the arc-shaped concave surface (31), the fixing table (3) and the machining platform (4) are matched in a mode that the arc-shaped convex surface (41) is embedded in the arc-shaped concave surface (31), the machining platform (4) is fixedly provided with arc-shaped slide rails (42) with four groups of arc-shaped structures by means of the arc-shaped concave surface (31) and the fixing table (3), an arc-shaped groove (43) is formed between every two groups of arc-shaped slide rails (42), two groups of guide arc plates (33) embedded in the arc-shaped concave surface (43) are arranged on the arc-shaped concave surface (31), two groups of bearing seats (32) are arranged on two sides, a worm (5) is matched between the bearing seats (32) in a mode that a worm (5) is embedded in the arc-shaped concave surface (31), a hollow cavity (2) is reserved for fixing the worm (2), one end (2) is fixedly arranged on the servo motor (2), a worm gear (6) meshed with the worm (5) is processed in the concave; the device is characterized in that a supporting and sliding mechanism (8) which provides supporting function and assists rotation for the processing platform (4) is arranged below the fixed platform (3) and the processing platform (4); an anti-tilting mechanism (7) for preventing the fixed table (3) and the processing platform (4) from separating is arranged above the fixed table (3) and the processing platform (4).
2. A turret structure for precision machine tools as claimed in claim 1, wherein: the support and slide mechanism (8) comprises: arc chassis (81), universal ball (82), ball groove (83), arc chassis (81) of fixed station (3) bottom utilization supporting rack (35) fixedly connected with arc, the axial lead of arc chassis (81) and the axial lead coincidence of arc concave surface (31), equidistant annular array has multiunit universal ball (82) on arc chassis (81), the spherical face of universal ball (82) sets up, processing platform (4) bottom is equipped with supplies embedded ball groove (83) in universal ball (82) top.
3. A turret structure for precision machine tools as claimed in claim 1, wherein: the anti-tilting mechanism (7) comprises: the anti-tilting frame (71), auxiliary wheels (72), auxiliary bearings (73) and anti-tilting rolling grooves (74), wherein the anti-tilting frame (71) is fixed on a fixed table (3) and extends to the upper portion of a machining platform (4), the anti-tilting rolling grooves (74) are formed in the upper surface of the machining platform (4) in a downward concave arc-shaped groove mode, the axial lines of the anti-tilting rolling grooves (74) and the axial lines of the arc-shaped convex surfaces (41) are coincident, at least three groups of auxiliary wheels (72) are embedded in the anti-tilting rolling grooves (74), one side, close to the fixed table (3), of each auxiliary wheel (72) is tangent to the side face of the corresponding anti-tilting rolling groove (74), and the auxiliary wheels (72) are fixed on the extending portion, above the machining platform (4), extending from the anti-tilting frame (71), through bearings and rotating shafts.
4. A turret structure for precision machine tools as claimed in claim 1, wherein: the worm (5) is connected with the output shaft of the servo motor (2) by adopting a detachable coupling.
5. A turret structure for precision machine tools as claimed in claim 1, wherein: the guide arc plate (33) is movably embedded with a ball (34) for assisting sliding, and meanwhile, a tubular groove for the ball (34) to roll is arranged in the arc groove (43).
6. A turret structure for precision machine tools as claimed in claim 1, wherein: the arc-shaped sliding rail (42) is detachably connected with the processing platform (4) through bolts.
7. A turret structure for precision machine tools according to claim 2, wherein: the width of the arc-shaped underframe (81) is larger than that of the fixed table (3), and universal balls (82) are distributed on the arc-shaped underframe (81) at equal angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320913619.6U CN219818814U (en) | 2023-04-18 | 2023-04-18 | Precise machine tool turntable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320913619.6U CN219818814U (en) | 2023-04-18 | 2023-04-18 | Precise machine tool turntable structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219818814U true CN219818814U (en) | 2023-10-13 |
Family
ID=88276837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320913619.6U Active CN219818814U (en) | 2023-04-18 | 2023-04-18 | Precise machine tool turntable structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219818814U (en) |
-
2023
- 2023-04-18 CN CN202320913619.6U patent/CN219818814U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111716215B (en) | Integrated device for deburring, grinding and polishing | |
| CN102744466B (en) | Large cylindrical gear numerical control gulleting machine | |
| RU2405661C1 (en) | Portal-frame wheel lathe | |
| CN202684226U (en) | Numerically-controlled gulleting machine for large cylindrical gear | |
| CN101954558A (en) | Five-axis steel pipe intersecting line cutter | |
| CN212122353U (en) | Material increasing and decreasing composite manufacturing equipment for large ring piece | |
| CN201799717U (en) | Machining machine tool of gear milling machine for six-axis spiral bevel gear | |
| CN108177259A (en) | Vertical loop wire diamond cut equipment | |
| CN210548586U (en) | End face tooth shape processing equipment | |
| CN206382851U (en) | A kind of new double column milling car Compositions of metal-working machines | |
| CN219818814U (en) | Precise machine tool turntable structure | |
| CN109454462A (en) | One kind is peculiar to vessel to determine paddle numerical-control milling and grinding combined machine | |
| CN103341793A (en) | Five-shaft four-linkage numerically-controlled machining equipment | |
| CN219766879U (en) | Flange milling machine for processing surface flatness of large flange | |
| CN205519746U (en) | Barrel arbor combined machining special plane | |
| CN218193929U (en) | Turning, milling and grinding combined machining lathe | |
| CN201871947U (en) | Large precision numerically-controlled rotary worktable | |
| CN110814364A (en) | Lathe for machining roller | |
| CN214186277U (en) | Offset pin positioning direct-drive vertical electric tool rest | |
| CN205128990U (en) | A horizontal lathe is rolled over to brill for processing rotor hole in last years of a century | |
| CN201346704Y (en) | Double shaft precision rotary table | |
| CN203696557U (en) | Structure used for numerical control machining center A and B rotation axes | |
| CN112571085A (en) | Gantry frame of high-speed five-axis machining center | |
| CN111761460A (en) | Six-axis five-linkage grinding machine | |
| CN113305590A (en) | Numerical control polar coordinate turning and milling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |