CN202491079U - Horizontal numerically-controlled rotary workbench - Google Patents
Horizontal numerically-controlled rotary workbench Download PDFInfo
- Publication number
- CN202491079U CN202491079U CN2012201132625U CN201220113262U CN202491079U CN 202491079 U CN202491079 U CN 202491079U CN 2012201132625 U CN2012201132625 U CN 2012201132625U CN 201220113262 U CN201220113262 U CN 201220113262U CN 202491079 U CN202491079 U CN 202491079U
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- gear
- pedestal
- bearing
- worm
- base
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Abstract
The utility model relates to a horizontal numerically-controlled rotary workbench, mainly comprising a base, two gear sets, two worm sets and a top seat, wherein the top seat is arranged on the base and sequentially provided with a center sleeve, a cross bearing, a plurality of brake sets and a bearing disk from center to edge; the two gear sets are arranged on the outer periphery of the bearing disk; the two worm sets are arranged at the sides of the base and meshed with the two gear sets; the top seat is correspondingly supported above the base; and the top seat is provided with a large gear disk for meshing with the two gear sets. According to the horizontal numerically-controlled rotary workbench provided by the utility model, the top seat can be supported by the cross bearing with smaller volume and the bearing disk arranged around the outer periphery of the cross bearing, so that the manufacture cost is saved; and two gear sets are driven by the two worm sets, and the two gear sets are meshed with the large gear disk on the top seat, so that the rotary index of the top seat is driven, therefore the back clearance caused by gear meshing is reduced, and the accuracy of top seat actuation is improved.
Description
Technical field
The utility model is about a kind of indexing means, especially in regard to a kind of horizontal digital-control rotary table.
Background technology
General existing indexing means is in instrument machine tool such as milling machine, brill or machining center machine etc.; And further the engagement tool machine tool adds the calibration and the location in man-hour; And can clamping and rotational workpieces to cooperate multiaxis processing, be indispensable important component in the modern precision processing.
Like Fig. 8 and shown in Figure 9; It is existing one horizontal index table 80; This horizontal index table 80 includes a base 81, a gear train 82 and a footstock 83; This base 81 is equiped with one and intersects rotary main shaft dish 812, that bearing 811, is engaged in this intersection bearing 811 and be connected in the brake group 815 that a worm screw 814 and that a worm gear 813, of these rotary main shaft dish 812 bottoms is meshed with this worm gear 813 is resisted against the outer peripheral face of this rotary main shaft dish 812 on a pedestal 810; This gear train 82 is connected in the lateral surface that this base 81 is provided with this worm screw 814; And this gear train 82 connects and is engaged in this worm screw 814, and this footstock 83 is carried on the top of this base 81, and this footstock 83 is driven by these rotary main shaft dish 812 rotations.
Existing said horizontal index table 80 has following point on practicing:
1, the transmission of existing this footstock 83 is only undertaken by this intersection bearing 811 of base 81 single settings; And this intersection bearing 811 is also directly carrying the weight of this footstock 83, when the size of this footstock 83 and weight increase, existingly should intersections bearing 811 understands generation beats and rocks; In order enough to carry and drive this footstock 83; The size of this intersection bearing 811 also needs to increase relatively, and because the cost of this intersection bearing 811 is higher, makes whole manufacturing cost soaring.
2, this worm screw 814 of existing this horizontal index table 80 is run through the inside that is arranged at this base 81, and weight and the size of this worm screw 814 itself are all quite big, are assembling or all suitable effort of dismounting.
3, the driving of this horizontal index table 80 is ordered about this gear train 82 rotations by motor; And then drive this worm screw 814 and this worm gear 813 generation interlocks, and driving this footstock 83 rotation starts, existing transmission flow process is intermeshed by two gears after the transmission; Again with transmission of power to this worm screw 814 and this worm gear 813; The back clearance that is produced during two direct geareds engagement is bigger, makes this footstock 83 precision when start relatively poor, also is easy to generate noise.
4, the bottom of this pedestal 810 is to come direct bracing or strutting arrangement in this footstock 83 of these pedestal 810 tops with rib; Less with the contact area on ground; Make these pedestal 810 bottom pressure-bearings bigger, cause structural strength comparatively not enough, and; Support this footstock 83 in order to keep enough intensity, make the volume of this pedestal 810 to reduce.
Based on above-mentioned shortcoming, necessity of improvement is arranged in fact.
The utility model content
For the intersection bearing that solves existing horizontal index table can produce beat and rocks and cost is too high, the excessive back clearance that causes assembling inconvenience, gear train and worm engaging transmission to be produced of the dimension and weight of worm screw is bigger; Relatively poor and the easy generation noise of transmission precision degree; And the structural strength of pedestal is not enough; Make problems such as the pedestal volume can't dwindle, the main purpose of the utility model is to provide a kind of horizontal digital-control rotary table, and its pedestal is provided with duplex bearing in order to support the weight of footstock; And can dwindle the volume of intersection bearing, reach the purpose that reduces manufacturing cost.
Another purpose of the utility model is to provide a kind of horizontal digital-control rotary table, and it has twin worm, two worm gear and bidentate wheels and a canine tooth wheel disc carries out the precision that transmission reduces back clearance and increases rotation.
The another purpose of the utility model is to provide a kind of horizontal digital-control rotary table, and it has the base construction of higher-strength and smaller size smaller.
The technological means that the utility model used is to provide a kind of horizontal digital-control rotary table, and it includes:
One base; It is the end face of a pedestal by the center in regular turn to be outside equipped with a center, be located on this center and fixedly be embedded in the intersection bearing of this pedestal, a plurality of spacer ring winding places the peripheral brake group and of this intersection bearing to be located on the peripheral bearing dish of this each brake group; Side in this pedestal is provided with at least one gear-box; Contiguous this gear-box place offers at least one assembly hole in the end face of this pedestal, and this assembly hole is positioned at the periphery of this bearing dish;
At least one gear train; Its correspondence is installed in described at least one assembly hole of this base; This at least one gear train includes a travelling gear and a worm gear; This travelling gear has an axle, and this travelling gear is arranged in the assembly hole of this base top surface and the end face that this travelling gear protrudes from this pedestal with this axle correspondence, and bottom and this worm gear that this worm gear set is located at this axle protrude from this at least one gear-box;
At least one worm screw group, it includes a worm screw, and this worm screw correspondence is arranged in this at least one gear-box and with the worm gear of this at least one gear train and is meshed;
One footstock; It is placed on this base with the bottom surface correspondence; And with the bottom surface of this footstock against and be sleeved on the outer peripheral face of this intersection bearing, the bottom of this footstock is installed with a canine tooth wheel disc, this canine tooth wheel disc is corresponding and be posted by the top of the bearing dish of this base; The outer peripheral face of this canine tooth wheel disc is a flank of tooth, and this canine tooth wheel disc is with the travelling gear of this flank engagement in this at least one gear train.
Said horizontal digital-control rotary table, wherein this pedestal and this footstock all within it portion have the structure that is hollow form that is separated into by a plurality of dividing plates, have the support base plate of the convex shape that forms towards the inner hollow position in the bottom surface of this each dividing plate.
Said horizontal digital-control rotary table, wherein this pedestal is formed with a plane in the periphery of this bearing dish, and contiguous this gear-box place offers this at least one assembly hole on this plane, and this pedestal is formed with the flange of annular convex shape in the outside of this at least one assembly hole.
Said horizontal digital-control rotary table; Wherein this gear train and this worm screw group is two; This pedestal offers two these assembly holes, and this two gear train correspondence respectively is installed in this two assembly hole, is provided with two side by side but be this gear-box that rightabout is provided with at the side of this pedestal; This two worm screw organizes respectively that correspondence is arranged in this two gear-box, and this canine tooth wheel disc is engaged in the travelling gear of this two gear train simultaneously with this flank of tooth.
The horizontal digital-control rotary table that the utility model utilization is provided, the improvement that can obtain comprises:
1, the utility model is provided with a bearing dish in the outside of this intersection bearing of this base; This bearing dish bigger by area supports higher load-carrying; Make this intersection bearing only need carry lateral thrust and alleviate loading weight, this base relies on described two bearings to support the weight of this footstock simultaneously, and can dwindle the volume of this intersection bearing; The production cost of making this intersection bearing is reduced, reach cost-effective purpose.
2, the utility model is provided with gear train and this canine tooth wheel disc that this two worm screw group, described two is provided with worm gear and carries out the rotation transmission of this footstock; The less worm screw group of this two volume is not only assembled easily and is dismantled; Also can rotate by two worm gears of this this two gear train of two worm engaging; Again transmission of power to the travelling gear of this two gear train is driven the mode of this canine tooth wheel disc, reduce the back clearance that direct transmission is produced between this two gear, and push the effect that this canine tooth wheel disc also has the minimizing back clearance simultaneously by this two travelling gear; Therefore, the utility model can reach the purpose that reduces noise, increases precision.
3, the bottom of this pedestal of the utility model and this footstock is laterally protruded inwardly between each rib and is formed with this support base plate that supports usefulness; Let the bottom surface of this pedestal and this footstock and the contact area on ground increase; Make the structural strength of this pedestal and this footstock preferable; Also can reduce simultaneously the volume of this pedestal and this footstock, also can keep due structural strength.
Description of drawings
Fig. 1 is the outside drawing of the utility model preferred embodiment.
Fig. 2 is the exploded view of the utility model preferred embodiment.
Fig. 3 is the profile of the utility model preferred embodiment.
Fig. 4 is the sectional axonometric drawing of the base of the utility model preferred embodiment.
Fig. 5 is the base of the utility model preferred embodiment and the part sectioned view of gear train.
Fig. 6 is the interlock sketch map of worm screw group, gear train and the canine tooth wheel disc of the utility model preferred embodiment.
Fig. 7 is the enforcement view of the utility model preferred embodiment.
Fig. 8 is the schematic top plan view of existing horizontal index table.
Fig. 9 is the generalized section of existing horizontal index table.
The drawing reference numeral explanation:
10 bases, 11 pedestals
110 dividing plates 111 support base plate
112 gear-boxes, 113 planes
114 assembly holes, 115 flanges
12 center, 13 intersection bearings
131 pressure rings, 14 brake groups
15 bearing dishes, 151 needle roller grooves
152 needle rollers, 20 gear trains
21 travelling gears, 211 axles
22 worm gears, 30 worm screws group
31 worm screws, 40 footstocks
401 dividing plates 402 support base plate
41 canine tooth wheel discs, 411 flank of tooth
80 horizontal index table 81 bases
810 pedestals, 811 intersection bearings
812 rotary main shaft dishes, 813 worm gears
814 worm screws, 815 brake groups
82 gear trains, 83 footstocks
The A external power supply
The specific embodiment
The preferred embodiment of following conjunction with figs. and the utility model, further setting forth the utility model is to reach the technological means that predetermined utility model purpose is taked.
The utility model is a kind of horizontal digital-control rotary table, sees also the preferred embodiment of Fig. 1 and Fig. 2, and it includes a base 10, two gear trains 20, two worm screws group 30, an and footstock 40, wherein:
Like Fig. 3 and shown in Figure 4, this base 10 end face on a pedestal 11 intersects bearing 13, a plurality of brake group 14 and a bearing dish 15 to being outside equipped with a center 12, in regular turn by the center, wherein; Like Fig. 3 and shown in Figure 4; This pedestal 11 is a rectangle hollow out pedestal, has the structure that is hollow form that is separated into by a plurality of dividing plates 110 in these pedestal 11 inside, is formed with the support base plate 111 of convex shape towards the inner hollow position in the bottom surface of this each dividing plate 110; Be provided with two side by side but be the gear-box 112 that rightabout is provided with at the side of this pedestal 11; These center 12 secure bond are in the central part of this pedestal 11, are provided with this intersection bearing 13 at the peripheral ring of this center 12, and this intersection bearing 13 fixedly is embedded in this pedestal 11 with a pressure ring 131; Uniformly-spaced be surrounded with described a plurality of brake group 14 in the periphery of this intersection bearing 13; Be provided with this bearing dish 15 in this each brake group 14 around the outside that is provided with, this bearing dish 15 has needle roller groove 151 and the corresponding needle roller 152 that is placed in this each needle roller groove 151 that a plurality of intervals are provided with, and this bearing dish 15 is close to this a plurality of brake groups 14 with inner circumferential surface; This pedestal 11 is formed with a plane 113 in the periphery of this bearing dish 15; Like Fig. 4 and shown in Figure 5,113 contiguous these gear-box 112 places offer two adjacent assembly holes 114 on this plane, and this two assembly hole 114 is used to install this gear train 20; This pedestal 11 is formed with the flange 115 of annular convex shape in the outside of this two assembly hole 114, be used for the location and be sticked in this footstock 40.
Like Fig. 2 and shown in Figure 5; These two gear trains, 20 correspondences are installed in this two assembly hole 114 of this base 10; This two gear train 20 includes a travelling gear 21 and a worm gear 22, and this travelling gear 21 has an axle 211, and this travelling gear 21 is arranged in this assembly hole 114 of these base 10 end faces with these axle 211 correspondences; Make this travelling gear 21 protrude from this plane 113 of this pedestal 11, this worm gear 22 is sheathed on the bottom of this axle 211 and is protruding in this gear-box 112.
Like Fig. 2 and shown in Figure 5; These two worm screws group, 30 corresponding dresses close in this gear-box 112 of this base 10; This two worm screws group 30 includes a worm screw 31; This worm screw 31 is arranged in this gear-box 112 and with the worm gear 22 of this gear train 20 and is meshed, and can be connected in a power source at the end of this two worm screws group 30, makes this two worm screw organize 30 starts and this gear train 20 of interlock produces rotation starts.
Like Fig. 2 and shown in Figure 3; This footstock 40 is placed on this base 10 with its bottom surface correspondence; This footstock 40 portion within it has the structure that is hollow form that is separated into by a plurality of dividing plates 401, is formed with the support base plate 402 of convex shape towards the inner hollow position in the bottom surface of each dividing plate 401, and the bottom surface that makes this footstock 40 against and be sleeved on the outer peripheral face of this intersection bearing 13; This footstock 40 is installed with a canine tooth wheel disc 41 in its bottom; This canine tooth wheel disc 41 is corresponding to the position of this bearing dish 15 of this base 10, and this canine tooth wheel disc reclines and be arranged at the top of this bearing dish 15, and is as shown in Figure 5; The outer peripheral face of this canine tooth wheel disc 41 is a flank of tooth 411, and this canine tooth wheel disc 41 is engaged in the travelling gear 21 of this two gear train 20 with this flank of tooth 411.
The utility model is preferred embodiment like Fig. 3, Fig. 6 and shown in Figure 7:
As shown in Figure 6; When this two worm screws group 30 connects an external power supply A such as servo motor or the driving of other numerical control device; This two worm screw is organized the worm gear 22 of 30 these gear trains 20 of engageable rotation; Make this gear train 20 interlock in travelling gear 21, and this travelling gear 21 is engaged in this canine tooth wheel disc 41 of this footstock 40, like Fig. 3 and shown in Figure 7; Because this footstock 40 supports and provides this side force that footstock 40 generations are slided by intersection bearing 13 and this bearing dish 15 of this base 10 simultaneously; Thus, can transmission of power to this canine tooth wheel disc 41 that this travelling gear 21 is provided be rotated and drive simultaneously these footstock 40 rotations, and reach the purposes of rotation calibration.
The utility model has following characteristics on practical operation is used:
1, the utility model can intersect bearing 13 and design around the duplex bearing of this bearing dish 15 of the periphery of this intersections bearing 13 by this; The weight of carrying this footstock 40 by this bearing dish 15; And the carrying that can lower this intersection bearing 13 is born; The volume of this intersection bearing 13 can be dwindled, and then reduce manufacturing cost.
2, the utility model and this two worm screw that easily make dismounting less with volume organized 30 interlocks in this two gear train 20 that is provided with this worm gear 22; And come this canine tooth wheel disc 41 of transmission to drive this footstock 40 with the travelling gear 22 of this two gear train 20; Not only can save manufacturing cost and built-up time; Can also make these two travelling gears, 22 these canine tooth wheel discs 41 of extruding reduce the generation of back clearance, make the start of this footstock 40 more accurate accurately.
3, the bottom of this pedestal 10 of the utility model and this footstock 40 is provided with the weight of 111,402 come support integrals of this support base plate; The structure of this pedestal 10 and this footstock 40 is comparatively strengthened; Even dwindle the volume of this pedestal 10 and this footstock 40, do not subtract the intensity of its structure yet.
The above only is the preferred embodiment of the utility model; Be not that the utility model is done any pro forma restriction; Though the utility model discloses as above with preferred embodiment; Yet be not that any those skilled in the art is in the scope that does not break away from the utility model technical scheme in order to qualification the utility model; Should utilize the technology contents of above-mentioned announcement to make a little change or be modified to the equivalent embodiment of equivalent variations; In every case be the content that does not break away from the utility model technical scheme, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of the utility model technical scheme according to the technical spirit of the utility model.
Claims (4)
1. a horizontal digital-control rotary table is characterized in that, includes:
One base; It is the end face of a pedestal by the center in regular turn to be outside equipped with a center, be located on this center and fixedly be embedded in the intersection bearing of this pedestal, a plurality of spacer ring winding places the peripheral brake group and of this intersection bearing to be located on the peripheral bearing dish of this each brake group; Side at this pedestal is provided with at least one gear-box; End face and contiguous this gear-box at this pedestal offer at least one assembly hole, and this assembly hole is positioned at the periphery of this bearing dish;
At least one gear train; Its correspondence is installed in described at least one assembly hole of this base; This at least one gear train includes a travelling gear and a worm gear; This travelling gear has an axle, and this travelling gear is arranged in the assembly hole of this base top surface with this axle correspondence and protrudes from the end face of this pedestal, and bottom and this worm gear that this worm gear set is located at this axle protrude from described at least one gear-box;
At least one worm screw group, it includes a worm screw, and this worm screw correspondence is arranged in this at least one gear-box and this worm screw is meshed with the worm gear of this at least one gear train;
One footstock; It is placed on this base with the bottom surface correspondence; And with the bottom surface of this footstock against and be sleeved on the outer peripheral face of this intersection bearing, this footstock is installed with a canine tooth wheel disc in its bottom, this canine tooth wheel disc is corresponding and be posted by the top of the bearing dish of this base; The outer peripheral face of this canine tooth wheel disc is a flank of tooth, and this canine tooth wheel disc is with the travelling gear of this flank engagement in this at least one gear train.
2. horizontal digital-control rotary table as claimed in claim 1; It is characterized in that; Wherein this pedestal and this footstock within it portion all have the structure that is hollow form that is separated into by a plurality of dividing plates, have the support base plate of the convex shape that forms towards the inner hollow position in the bottom surface of this each dividing plate.
3. horizontal digital-control rotary table as claimed in claim 2; It is characterized in that; This pedestal is formed with a plane in the periphery of this bearing dish; Contiguous this gear-box place offers described at least one assembly hole on this plane, and this pedestal is formed with the flange of annular convex shape in the outside of this at least one assembly hole.
4. like claim 1,2 or 3 described horizontal digital-control rotary tables; It is characterized in that this gear train and this worm screw group all are two, this pedestal offers two these assembly holes; This two gear train correspondence respectively is installed in this two assembly hole; Be provided with two side by side but be this gear-box that rightabout is provided with at the side of this pedestal, this two worm screw organizes respectively that correspondence is arranged in this two gear-box, and this canine tooth wheel disc is engaged in the travelling gear of this two gear train simultaneously with this flank of tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201132625U CN202491079U (en) | 2012-03-23 | 2012-03-23 | Horizontal numerically-controlled rotary workbench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201132625U CN202491079U (en) | 2012-03-23 | 2012-03-23 | Horizontal numerically-controlled rotary workbench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202491079U true CN202491079U (en) | 2012-10-17 |
Family
ID=46997322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201132625U Expired - Lifetime CN202491079U (en) | 2012-03-23 | 2012-03-23 | Horizontal numerically-controlled rotary workbench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202491079U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103769948A (en) * | 2013-12-27 | 2014-05-07 | 山东鲁南机床有限公司 | Numerical control rotary table of horizontal machining center |
| CN104669055A (en) * | 2015-02-10 | 2015-06-03 | 华电曹妃甸重工装备有限公司 | Revolving platform |
| CN104999283A (en) * | 2015-07-15 | 2015-10-28 | 烟台市三立工业有限公司 | Horizontal numerical control revolving worktable |
| CN107283221A (en) * | 2017-06-20 | 2017-10-24 | 衢州职业技术学院 | A kind of processing indexing positioning device |
| CN110315148A (en) * | 2019-07-08 | 2019-10-11 | 安徽国防科技职业学院 | A kind of turntable indexing and driving mechanism of chain cutter tooth wheel numerical control machine for processing |
-
2012
- 2012-03-23 CN CN2012201132625U patent/CN202491079U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103769948A (en) * | 2013-12-27 | 2014-05-07 | 山东鲁南机床有限公司 | Numerical control rotary table of horizontal machining center |
| CN104669055A (en) * | 2015-02-10 | 2015-06-03 | 华电曹妃甸重工装备有限公司 | Revolving platform |
| CN104999283A (en) * | 2015-07-15 | 2015-10-28 | 烟台市三立工业有限公司 | Horizontal numerical control revolving worktable |
| CN107283221A (en) * | 2017-06-20 | 2017-10-24 | 衢州职业技术学院 | A kind of processing indexing positioning device |
| CN110315148A (en) * | 2019-07-08 | 2019-10-11 | 安徽国防科技职业学院 | A kind of turntable indexing and driving mechanism of chain cutter tooth wheel numerical control machine for processing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121017 |
|
| CX01 | Expiry of patent term |