CN101870068B - Machining rotary table - Google Patents
Machining rotary table Download PDFInfo
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- CN101870068B CN101870068B CN2010102080892A CN201010208089A CN101870068B CN 101870068 B CN101870068 B CN 101870068B CN 2010102080892 A CN2010102080892 A CN 2010102080892A CN 201010208089 A CN201010208089 A CN 201010208089A CN 101870068 B CN101870068 B CN 101870068B
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- base
- workbench
- bearing
- rotating shaft
- step bearing
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Abstract
The invention relates to a machining rotary table, belonging to a rotary table on a machining lathe. The machining rotary table comprises a base and a machine table, wherein the machine table is connected with the base through a fixed rotary shaft and can rotate relative to the base, two sides of the base are respectively connected with a step support base supporting the machine table when the machine table rotates relative to the base, the step support bases are provided with a plurality of mutually parallel step surfaces supporting the machine table, the step surfaces are parallel to the upper surface and the lower surface of the base, two sides of the other end opposite to one end of the machine table provided with the fixed rotary shaft are respectively connected to a movable rotary shaft, when the machine table with the movable rotary shafts rotates to a position corresponding to each step surface of the step support base, the step surface corresponding to the position supports the machine table through supporting the movable rotary shafts, and when the machine table rotates to a position corresponding to an adjacent step surface from the position corresponding to any step surface, angles of the machine table rotating relative to the base are equal. By adopting the structure, the rotary table can be used for processing large-size workpieces with negative angles and can realize that the workpieces can be processed with high precision.
Description
Technical field
The present invention relates to the rotary table on a kind of machine cut machining tool.
Background technology
Rotary table on the existing mechanical cut lathe; As China's on January 20th, 2010 disclosed Granted publication number be the described a kind of machining rotary table of Chinese patent of CN201385221Y, this rotary table can only solve the processing of miniature workpiece, and is impracticable to large-scale workpiece; This rotary table is through the gradient of rotation chamfered edge gyroaxis adjustment rotary table in addition; With bolt the chamfered edge gyroaxis is fixed on the connecting plate again after chamfered edge gyroaxis gradient mixes up, can't guarantees that both sides are bolted on the same angle, cause workbench oblique just on one side; Adjustment and fixedly during the chamfered edge gyroaxis easily because of locating inaccurate or clamping screw not in fixation procedure; Because of moving the chamfered edge gyroaxis, and make chamfered edge gyroaxis and the desired location deviation to some extent after fixing, so also there is the not accurate enough defective of positioning accuracy in this rotary table; When the machining high-precision workpiece, can not adopt, can't accurately adjust angle.
Summary of the invention
The purpose of this invention is to provide a kind of can machining large band negative angle workpiece and can realize the machining rotary table of high-precision processing workpiece.
The present invention for realizing the technical scheme that above-mentioned purpose adopts is: a kind of machining rotary table; This machining rotary table comprises base and is connected in base one end and the workbench of base rotation relatively; Workbench is connected with base through the fixedly rotating shaft that is arranged at the workbench both sides respectively; Workbench is provided with the fixture in order to fixation workpiece; Said base both sides are connected with when the rotation of the relative base of workbench the step bearing with support table respectively; The step bearing is provided with a plurality of being parallel to each other with the step surface of support table, and each step surface is parallel with the upper and lower surfaces of base respectively, on workbench, is connected with movable rotating shaft respectively with the both sides that are provided with the other end that fixedly rotating shaft one end is relative; When the workbench that has a movable rotating shaft rotates to each step surface correspondence position of step bearing; The correspondence position step surface is through support activity rotating shaft and then support table, and when said workbench rotated on the step bearing adjacent stations terrace correspondence position by arbitrary step surface correspondence position of step bearing, the angle of the relative base rotation of said workbench equated.
The angular range of the relative base rotation of wherein said workbench is 0～45 °; Said step bearing comprises: be connected in base both sides a pair of step bearing I with support table when the relative base anglec of rotation of workbench is 5～20 ° of scopes, and be connected in base both sides a pair of step bearing II with support table when the relative base anglec of rotation of workbench is 25～45 ° of scopes.
Wherein said each step bearing I and each step bearing II are respectively equipped with a plurality of step surfaces that are parallel to each other; When workbench rotated on the same step bearing adjacent stations terrace by the arbitrary step surface on the same step bearing, the angle of the relative base rotation of said workbench equated.
When wherein said workbench rotated on the same step bearing adjacent stations terrace by the arbitrary step surface on the same step bearing, the angle of the relative base rotation of said workbench was 5 °.
Be fixedly connected with the holder I on wherein said base and the workbench link, the axis hole I that the holder I is provided with fixedly rotating shaft is corresponding, said fixedly rotating shaft is through cooperating with the axis hole I of holder I and workbench being connected on the base.
Wherein said movable rotating shaft is fixedly connected on movable rotating shaft on arbitrary step surface or the base through the holder II that is connected on the movable rotating shaft; The holder II is provided with the axis hole II that matches with movable rotating shaft; Also be provided with through set bolt on the said holder II holder II is connected in the screwed hole on corresponding step surface or the base, also be provided with the screwed hole that matches with set bolt on the step surface.
The both sides of wherein said base are provided with step bearing or holder II are connected on the base and are the T type locked groove of the font of falling T, and said step bearing I and step bearing II lock onto on the T type locked groove of base both sides through set bolt respectively.
Wherein said step bearing I integral body is step-like; Which is provided with four step surfaces; Be followed successively by 5 ° of step surfaces, 10 ° of step surfaces, 15 ° of step surfaces, 20 ° of step surfaces from the bottom to top, the bottom of step bearing I is outstanding to be provided with step bearing I is connected protuberance on the T type locked groove of base.
Wherein step bearing II comprises in order to the stage portion of support table and with the back-up block of stage portion bed hedgehopping and support level portion; Stage portion integral body is step-like; Stage portion is provided with five step surfaces; Be followed successively by 25 ° of step surfaces, 30 ° of step surfaces, 35 ° of step surfaces, 40 ° of step surfaces, 45 ° of step surfaces from the bottom to top, the bottom of stage portion is outstanding to be provided with the protuberance that is connected with back-up block, and back-up block is connected in the T type locked groove of base.
The bottom surface of wherein said base is concaved with the keyway that is connected with the board of machining rotary table the service of connection devices, and the fixture in order to fixation workpiece on the said workbench is T type groove, pin-and-hole and the screwed hole that is arranged on the workbench.
Owing to adopt said structure; The present invention's machining rotary table has following beneficial effect: 1, can machining large band negative angle workpiece the present invention's machining rotary table owing to be provided be connected in base one end and the workbench that rotates of base relatively; Workbench is provided with in order to the T type groove of fixation workpiece or pin-and-hole or screwed hole, can large-scale band negative angle clamping workpiece be processed on workbench.
2, the machining rotary table owing to be provided with that can realize the present invention of high-precision processing workpiece is connected in base one end and the workbench that rotates of base relatively; Be connected with when the relative base rotation of workbench step bearing respectively with support table in the base both sides; The step bearing is provided with a plurality of being parallel to each other with the step surface of support table, and each step surface is parallel with the upper and lower surfaces of base respectively, when the workbench of the movable rotating shaft of band rotates to each step surface correspondence position of step bearing; The correspondence position step surface is through support activity rotating shaft and then support table; When workbench goes to correspondence position, easily accurate positioning table, the workpiece of clamping on workbench can be realized high-precision processing because of accurate positioning; In addition, pin-and-hole and screwed hole are set on the workbench and also can accurately locate workpiece.
3, easily operation, the operator there is not specific (special) requirements the present invention's machining rotary table owing to be connected with when the relative base rotation of workbench the step bearing with support table respectively in the base both sides; The step bearing is provided with a plurality of being parallel to each other with the step surface of support table; When workbench rotates on the step bearing adjacent stations terrace by arbitrary step surface of step bearing; The angle of the relative base rotation of workbench equates; When the adjustment workbench, operate easily, the operator is not had specific (special) requirements.
4, the present invention's simple in structure machining rotary table is because the base both sides are connected with when the rotation of the relative base of workbench the step bearing with support table respectively; The step bearing is provided with a plurality of being parallel to each other with the step surface of support table; Fixing with set bolt as long as forward workbench to the step surface correspondence position when the adjustment workbench, overall structure is simple.
Below in conjunction with accompanying drawing and embodiment machining rotary table of the present invention is further described.
Description of drawings
Fig. 1 is that the workbench and the base angle of machining rotary table of the present invention is the schematic perspective view of 0 ° of state.
Fig. 2 is that the workbench and the base angle of machining rotary table of the present invention is the schematic perspective view of 5 ° of states.
Fig. 3 is that the workbench and the base angle of machining rotary table of the present invention is the schematic perspective view of 45 ° of states.
The element numbers explanation: the 1-base, the 2-workbench, the keyway of 3-left and right directions, the 4-fastening bolt, 5-holder I, 6-is rotating shaft fixedly; 7-T type locked groove, the keyway of 8-fore-and-aft direction, 9-holder II, the movable rotating shaft of 10-, 11-set bolt, 12-T type groove; The 13-pin-and-hole, 14-screwed hole, 15-step bearing I, 16-protuberance, 17-5 ° of step surface, 18-10 ° of step surface; 19-15 ° of step surface, 20-20 ° of step surface, 21-back-up block, 22-protuberance, 23-stage portion; 24-25 ° of step surface, 25-30 ° of step surface, 26-35 ° of step surface, 27-40 ° of step surface, 28-45 ° of step surface.
The specific embodiment
To shown in Figure 3, machining rotary table of the present invention comprises base 1 and is connected in base 1 one ends and the workbench 2 of base 1 rotation relatively that the angular range that workbench 2 relative bases 1 rotate is 0～45 ° like Fig. 1.Workbench 2 is connected with base 1 through the fixedly rotating shaft 6 that is arranged at workbench 2 both sides respectively.In the present embodiment; Be fixedly connected with holder I 5 on base 1 and workbench 2 links; Holder I 5 is provided with the axis hole I corresponding with fixing rotating shaft 6; Fixedly rotating shaft 6 is through cooperating with the axis hole I of holder I 5 and workbench 2 being connected on the base 1, and holder I 5 is fixedly connected on the base 1 through fastening bolt 4.
In the present embodiment; The step bearing comprises: be connected in base 1 both sides a pair of step bearing I with support table 2 when workbench 2 relative base 1 anglecs of rotation are 5～20 ° of scopes, and be connected in base 1 both sides a pair of step bearing II with support table 2 when workbench 2 relative base 1 anglecs of rotation are 25～45 ° of scopes.Step bearing I and step bearing II lock onto on the T type locked groove 7 of base 1 both sides through set bolt respectively.Each step bearing I and each step bearing II are respectively equipped with a plurality of step surfaces that are parallel to each other.When workbench 2 rotated on the same step bearing adjacent stations terrace by the arbitrary step surface on the same step bearing, the angle of workbench 2 relative bases 1 rotations equated.In the present embodiment, when workbench 2 rotated on the same step bearing adjacent stations terrace by the arbitrary step surface on the same step bearing, the angle of workbench 2 relative bases 1 rotations was 5 °.
Step bearing I 15 integral body are step-like; Which is provided with four step surfaces; Be followed successively by 19,20 ° of step surfaces 20 of 18,15 ° of step surfaces of 17,10 ° of step surfaces of 5 ° of step surfaces from the bottom to top, the bottom of step bearing I is outstanding to be provided with step bearing I is connected protuberance 16 on the T type locked groove of base 1.Workbench 2 can be fixed in through holder II 9 in above-mentioned four step surfaces on any step surface in the rotation of 5～20 ° of scopes.
Step bearing II comprises in order to the stage portion 23 of support table 2 and with the back-up block 21 of stage portion bed hedgehopping and support level portion; Stage portion integral body is step-like; Which is provided with five step surfaces; Be followed successively by 27,45 ° of step surfaces 28 of 26,40 ° of step surfaces of 25,35 ° of step surfaces of 24,30 ° of step surfaces of 25 ° of step surfaces from the bottom to top, the outstanding protuberance 22 that is connected with back-up block that is provided with in the bottom of stage portion 23.Back-up block 21 is provided with " worker " word shape of through hole for the middle part, and back-up block is connected in the T type locked groove 7 of base 1.Workbench 2 can be fixed in through holder II 9 in above-mentioned five step surfaces on any step surface in the rotation of 25～45 ° of scopes.
When using machining rotary table of the present invention (hereinafter to be referred as " rotary table "); Using in the heart with work in-process is example; Whole rotary table is winched on the numerical control table top; Make the keyway of rotary table fore-and-aft direction aim at the board keyway, again rotary table be fixedly clamped on board with the keyway of left and right directions, the back according to the need processing work workbench is rotated to respective angles and fix after be that available rotary table clamping workpiece is processed.
Illustrate several examples that the relative base of rotary table in use rotates to different angles below.
When the angle of workbench 2 and base 1 is 0 °; Holder II 9 is fixedly connected on movable rotating shaft 10 on the T type locked groove 7 of base 1 both sides through set bolt; As shown in Figure 1, at this moment step bearing I and step bearing II are not used, and rotary table can be used as common workbench and uses.
When the angle of workbench 2 and base 1 is 5 °; At this moment step bearing II is not used; Step bearing I is connected on the T type locked groove 7 through set bolt, and holder II 9 is fixedly connected on movable rotating shaft 10 on 5 ° of step surfaces of step bearing I through set bolt, and is as shown in Figure 2.
When the angle of workbench 2 and base 1 is 45 °; At this moment step bearing I is not used; The back-up block 21 of step bearing II is connected on the T type locked groove 7 through set bolt; Holder II 9 is fixedly connected on movable rotating shaft 10 on 45 ° of step surfaces of step bearing II through set bolt, and is as shown in Figure 3.
As conversion of the present invention: the angle of the relative base rotation of workbench also is not limited to the scope of 0～45 ° of the foregoing description, if need suitably to increase the anglec of rotation, as long as the corresponding step surface that increases in order to support table; The step bearing also is not limited to be provided with two, a step bearing can only be set, and 5～45 ° step surface all is arranged on the same step bearing; When workbench rotates on the same step bearing adjacent stations terrace by the arbitrary step surface on the same step bearing; The angle of the relative base rotation of workbench also is not limited to 5 °; Can suitably revise as required; As the height of step surface is heightened, when the arbitrary step surface on the same step bearing rotated on the same step bearing adjacent stations terrace, the angle of the relative base rotation of workbench just can be greater than 5 °; Fixedly rotating shaft can not be connected on the base through the holder I yet, but directly on base, is provided with in order to connect the fixedly projection of rotating shaft, on projection, is provided with to connect the fixedly axis hole of rotating shaft; Movable rotating shaft also is not limited to connect on step surface with the holder II, can adopt alternate manner to be fixed on a certain step surface or the base; Also be not limited to T type groove, pin-and-hole and the screwed hole that is arranged on simultaneously on the workbench in the fixture in order to fixation workpiece on the workbench, also can be merely one of them or be other fixing devices of usefulness; Both sides at base also not necessarily will be provided with T type locked groove, but are provided with some screwed holes that directly can cooperate with fastening bolt.As long as the conversion of doing within the scope of the invention all belongs to category of the present invention.
Claims (5)
1. machining rotary table; This machining rotary table comprises base (1) and is connected in base one end and the workbench (2) of base rotation relatively; Workbench is connected with base (1) through the fixedly rotating shaft (6) that is arranged at the workbench both sides respectively; Workbench (2) is provided with the fixture in order to fixation workpiece; It is characterized in that; Said base (1) both sides are connected with when the rotation of the relative base of workbench the step bearing with support table respectively; The step bearing is provided with a plurality of being parallel to each other with the step surface of support table; Each step surface is parallel with the upper and lower surfaces of base respectively; On workbench, be connected with movable rotating shaft (10) respectively with the both sides that are provided with the other end that fixedly rotating shaft (6) one ends are relative; When the workbench (2) that has a movable rotating shaft rotated to each step surface correspondence position of step bearing, the correspondence position step surface was through support activity rotating shaft (10) and then support table (2), when said workbench (2) rotates on the step bearing adjacent stations terrace correspondence position by arbitrary step surface correspondence position of step bearing; The angle of the relative base rotation of said workbench equates; The angular range of the relative base rotation of said workbench is 0～45 °, and said step bearing comprises: be connected in base both sides a pair of step bearing I (15) with support table when the relative base anglec of rotation of workbench is 5～20 ° of scopes, and be connected in base both sides a pair of step bearing II with support table when the relative base anglec of rotation of workbench is 25～45 ° of scopes; Said each step bearing I and each step bearing II are respectively equipped with a plurality of step surfaces that are parallel to each other; When workbench rotated on the same step bearing adjacent stations terrace by the arbitrary step surface on the same step bearing, the angle of the relative base rotation of said workbench equated, when said workbench rotates on the same step bearing adjacent stations terrace by the arbitrary step surface on the same step bearing; The angle of the relative base rotation of said workbench is 5 °; Be fixedly connected with holder I (5) on said base (1) and workbench (2) link, holder I (5) is provided with and the fixing corresponding axis hole I of rotating shaft (6), and said fixedly rotating shaft (6) is through cooperating with the axis hole I of holder I and workbench being connected on the base (1); Said movable rotating shaft (10) is fixedly connected on movable rotating shaft on arbitrary step surface or the base through the holder II (9) that is connected on the movable rotating shaft; Holder II (9) is provided with the axis hole II that matches with movable rotating shaft (10), also is provided with through set bolt (11) on the said holder II (9) holder II (9) is connected in the screwed hole on corresponding step surface or the base, also is provided with the screwed hole that matches with set bolt on the step surface.
2. machining rotary table as claimed in claim 1; It is characterized in that: the both sides of said base (1) are provided with step bearing or holder II are connected on the base and are the T type locked groove (7) of the font of falling T, and said step bearing I and step bearing II lock onto on the T type locked groove of base both sides through set bolt respectively.
3. machining rotary table as claimed in claim 2; It is characterized in that: said step bearing I integral body is step-like; Which is provided with four step surfaces; Be followed successively by 5 ° of step surfaces (17), 10 ° of step surfaces (18), 15 ° of step surfaces (19), 20 ° of step surfaces (20) from the bottom to top, the outstanding last protuberance (16) of T type locked groove (7) that step bearing I is connected base that is provided with in the bottom of step bearing I.
4. machining rotary table as claimed in claim 2; It is characterized in that: step bearing II comprise in order to support table stage portion (23) and with the back-up block (21) of stage portion bed hedgehopping and support level portion; Stage portion (23) integral body is step-like; Stage portion (23) is provided with five step surfaces; Be followed successively by 25 ° of step surfaces (24), 30 ° of step surfaces (25), 35 ° of step surfaces (26), 40 ° of step surfaces (27), 45 ° of step surfaces (28) from the bottom to top, the bottom of stage portion (23) is outstanding to be provided with the protuberance (22) that is connected with back-up block, and back-up block (21) is connected in the T type locked groove (7) of base.
5. machining rotary table as claimed in claim 1; It is characterized in that: the bottom surface of said base is concaved with the keyway that is connected with the board of machining rotary table the service of connection devices, and the fixture in order to fixation workpiece on the said workbench is T type groove (12), pin-and-hole (13) and the screwed hole (14) that is arranged on the workbench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102080892A CN101870068B (en) | 2010-06-25 | 2010-06-25 | Machining rotary table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102080892A CN101870068B (en) | 2010-06-25 | 2010-06-25 | Machining rotary table |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101870068A CN101870068A (en) | 2010-10-27 |
| CN101870068B true CN101870068B (en) | 2012-06-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102080892A Expired - Fee Related CN101870068B (en) | 2010-06-25 | 2010-06-25 | Machining rotary table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101870068B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753233A (en) * | 2013-12-27 | 2014-04-30 | 柳州职业技术学院 | Angle workbench |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2816489A (en) * | 1955-04-15 | 1957-12-17 | Denco Machine Products | Sine plate |
| DE10025385A1 (en) * | 2000-05-24 | 2001-11-29 | Union Werkzeugmaschinen Gmbh C | Work table of machine tool can be turned through 90 degrees and locked |
| CN200960611Y (en) * | 2006-11-03 | 2007-10-17 | 邵阳纺织机械有限责任公司 | Arbitrary spacing hole processing device for heavy type work-piece |
| CN201089087Y (en) * | 2007-07-19 | 2008-07-23 | 东风汽车有限公司 | Sine angle workbench for large and medium-sized machining |
| CN201702577U (en) * | 2010-06-25 | 2011-01-12 | 柳州高华机械有限公司 | Rotary work table for machining |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2079023U (en) * | 1990-11-24 | 1991-06-19 | 王勤 | Special projection angle device for skull |
| JP2002079431A (en) * | 2000-09-07 | 2002-03-19 | Ishikawajima Harima Heavy Ind Co Ltd | Flat plate finishing machine |
| CN101890646B (en) * | 2010-06-12 | 2012-12-05 | 四川成飞集成科技股份有限公司 | Multi-stage angle-variable machining tool |
-
2010
- 2010-06-25 CN CN2010102080892A patent/CN101870068B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2816489A (en) * | 1955-04-15 | 1957-12-17 | Denco Machine Products | Sine plate |
| DE10025385A1 (en) * | 2000-05-24 | 2001-11-29 | Union Werkzeugmaschinen Gmbh C | Work table of machine tool can be turned through 90 degrees and locked |
| CN200960611Y (en) * | 2006-11-03 | 2007-10-17 | 邵阳纺织机械有限责任公司 | Arbitrary spacing hole processing device for heavy type work-piece |
| CN201089087Y (en) * | 2007-07-19 | 2008-07-23 | 东风汽车有限公司 | Sine angle workbench for large and medium-sized machining |
| CN201702577U (en) * | 2010-06-25 | 2011-01-12 | 柳州高华机械有限公司 | Rotary work table for machining |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2002-79431A 2002.03.19 |
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| CN101870068A (en) | 2010-10-27 |
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Granted publication date: 20120627 Termination date: 20190625 |