CN203817777U - Brake device for rotating work table of vertical lathe - Google Patents
Brake device for rotating work table of vertical lathe Download PDFInfo
- Publication number
- CN203817777U CN203817777U CN201420233506.2U CN201420233506U CN203817777U CN 203817777 U CN203817777 U CN 203817777U CN 201420233506 U CN201420233506 U CN 201420233506U CN 203817777 U CN203817777 U CN 203817777U
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- Prior art keywords
- brake
- working medium
- rotary table
- base
- plunger shaft
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- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model provides a brake device for a rotating work table of a vertical lathe. The brake device comprises a base and a lathe body. The lathe body is fixed on the base, and brake space is formed between the lathe body and the base. The rotating work table is assembled on the lathe body through a bearing. A rotating shaft of the rotating work table extends into the brake space. The rotating shaft in the brake space is connected with a friction disc. The portion, below the friction disc, of the base is fixedly provided with a brake disc. The top of the brake disc is provided with an annular piston cavity. An annular piston ring and a friction block are assembled in the piston cavity. The gap between the top face of the brake disc and the bottom face of the friction disc ranges from 0.5 mm to 5 mm. The circumference of the brake disc is provided with a plurality of working medium channels communicated with the piston cavity. The working medium channels are communicated with a working medium source through working medium pipes. The brake device performs stable and reliable flexibility braking on the rotating work table with simple structure, collision among mechanical parts is reduced, the service life of all the mechanical parts is prolonged, the operation noise is low, operation is convenient to carry out, and the production cost of enterprises is effectively lowered.
Description
Technical field
The utility model relates to the functional part of vertical machine, specifically a kind of brake apparatus of vertical machine rotary table.
Background technology
The main structure of vertical machine is: main shaft is in vertical position, workbench is horizontal.In order to realize the diverse location processing to workpiece, the most of rotary table that adopts of existing vertical machine, i.e., workbench to clamping workpiece rotating, level by bearing assemble on lathe bed, utilize the revolution of workbench in horizontal plane and calibration location, make vertical machine main shaft with cutter, the workpiece of clamping on workbench is carried out boring, brill, milling, the processing such as cuts.The operating characteristic such as revolution, calibration based on vertical machine rotary table, makes the brake apparatus of this rotary table become one of important functional part.
At present, what the braking of vertical machine rotary table was mainly taked is rigidity braking, the frame for movement of mutual correspondence is set on lathe bed and on rotary table, in the time that needs are braked, the frame for movement that operates the two is intermeshing, carries out rigidity braking, in the time that needs rotate freely, the frame for movement that operates the two departs from mutually, makes rotary table on lathe bed, carry out corresponding rotation.Though this rigidity mode of braking of vertical machine rotary table can realize the braking effect of " stopping abruptly ", but it fails to take into full account the rotatory inertia of rotary table in braking procedure, thereby in braking procedure, very easily there is phenomenon that mechanical part clashes into mutually, fragile, noise is also very large, increase the failure-frequency of vertical machine, had a strong impact on normal processing, enterprise's production cost is high.
Brake existing problem in order to overcome the rigidity of vertical machine rotary table, in prior art, occurred the flexible braking technology of various baroque hydraulic pressure or air pressure mode, but occur so far there are no the technology identical or close with the utility model content.
Summary of the invention
The purpose of this utility model is: based on above-mentioned the deficiencies in the prior art, provide a kind of brake apparatus of simple in structure, easy to operate, flexible braking that reliability is high, practical for vertical machine rotary table.
The technical solution adopted in the utility model is: a kind of brake apparatus of vertical machine rotary table, comprise base and lathe bed, described lathe bed is fixed on base, between lathe bed and base, form braked space, on lathe bed, there is rotary table by bearing assemble, the rotating shaft of this rotary table extends in braked space, on rotating shaft in described braked space, be connected with frictional disk, on base below frictional disk, be fixedly equipped with brake disc, the top of this brake disc is provided with annular plunger shaft, in plunger shaft, be equipped with annular piston ring and brake pad, gap between the end face of brake disc and frictional disk bottom surface is 0.5～5mm, the circumference of described brake disc is provided with many working medium passages that communicate with plunger shaft, this working medium passage is connected by working medium tube and working medium source.
Further, described brake disc is mainly made up of braking disk body and fixed disk, the end face of described braking disk body offers the plunger shaft of indent, annular, described fixed disk is connected to the end face of braking disk body, plunger shaft capping by braking on disk body, and on fixed disk, the annular region of corresponding plunger shaft offers multiple through holes that communicate with plunger shaft; Brake pad in described plunger shaft is the convex cone shaped of through hole on appearance profile coupling fixed disk, and the brake pad of this convex cone shaped is in the through hole of fixed disk in the time of free state or on-position, and the height of convex cone shaped brake pad is greater than the thickness of fixed disk.
Further, the thickness of described fixed disk is 15～20mm; The height of described convex cone shaped brake pad is 20～30mm.
Further, described brake disc is assemblied on base by jackshaft.
Further, described working medium source is compressed air, hydraulic oil or contains additive water liquid.
The beneficial effects of the utility model are:
1. above-mentioned brake apparatus is not affecting under the prerequisite of the normal work of vertical machine rotary table, form stable, reliable flexible braking with the vertical machine tool rotary working table of simple structure, thereby effectively overcome the rotatory inertia of rotary table, reduce shock between each mechanical part, extended service life of each mechanical part, its running noise is low, operate also easily, effectively reduce enterprise's production cost;
2. the flexible braking structure on above-mentioned brake apparatus, is effectively guaranteeing that each separate brake pad stablizes, reliably under the prerequisite of friction catch, extended the whole service life of brake pad, simplify simultaneously and safeguarded processing, reduced maintenance cost, reliability is high, practical.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is further described.
Fig. 1 is a kind of structural representation of the utility model free state.
Fig. 2 is a kind of structural representation of the utility model on-position.
Fig. 3 is the top view of brake disc in the utility model.
Fig. 4 is a kind of structural representation of brake pad in the utility model.
Code name implication in figure: 1-rotary table; 2-rotating shaft; 3-bearing; 4-base; 5-jackshaft; 6-frictional disk; 7-lathe bed; 8-plunger shaft; 9-piston ring; 10-working medium passage; 11-working medium tube joint; 12-brake pad; 13-fixed disk; 14-braking disk body; 15-braked space.
Detailed description of the invention
Referring to Fig. 1, Fig. 2 and Fig. 3: the utility model is the brake apparatus of vertical machine rotary table, and it comprises base 4 and the lathe bed 7 of vertical machine.
Wherein, base 4 is fixed on ground.
Lathe bed 7 is hollow structure, and lathe bed 7 is fixed on base 4, between the lathe bed 7 of hollow and base 4, has formed braked space 15.On aforementioned lathe bed 7, be equipped with rotary table 1 by bearing 3, the rotating shaft 2 of this rotary table 1 extends in braked space 15 by bearing 3, extends on the rotating shaft 2 in braked space 15 and is connected with frictional disk 6.The diameter of this frictional disk 6 is greater than the diameter of rotating shaft 2, and the outer rim of frictional disk 6 has the outer to lower convexity, and this frictional disk 6 rotates along with the rotation of rotating shaft 2, and rotating shaft 2 rotates along with the rotation of rotary table 1.
On the base 4 of above-mentioned frictional disk 6 belows, be fixedly equipped with brake disc, concrete assembly structure is, the base 4 of frictional disk 6 belows (being that rotating shaft 2 is just to position) is provided with the jackshaft 5 raising up, this jackshaft 5 is fixedly connected with base 4 by banking pin, on the jackshaft 5 on base 4 tops, is set with brake disc; This brake disc is mainly made up of braking disk body 14 and the fixed disk 13 that is fixed on braking disk body 14 end faces, and braking disk body 14 is fastenedly connected by the securing members such as bolt and base 4; Interstice coverage between end face (being the end face of fixed disk 13) and frictional disk 6 bottom surfaces of aforementioned brake disc is 0.5～5mm; for example 0.8mm; or 2mm; or 3mm; also or 4.5mm etc., this value range is guaranteeing can to realize under the prerequisite that rotary table 1 rotates freely stable, the flexible braking that rubs reliably.
The top of above-mentioned brake disc is provided with annular plunger shaft 8, concrete structure is, the end face of braking disk body 14 offers indent, annular (taking jackshaft 5 or rotating shaft 2 linear projections as the center of circle) plunger shaft 8, in plunger shaft 8, be equipped with a piston ring 9 overall, annular cast iron and multiple brake pad 12 separate, convex cone shaped, the altitude range of this convex cone shaped brake pad 12 is 20～30mm, for example 20mm, or 23mm, or 26mm, also or 29mm etc.; On the circumference of braking disk body 14, be evenly equipped with the working medium path 10 that four (can be also three or five etc.) communicate with plunger shaft 8, the outer end of this working medium path 10 is connected with working medium tube joint 11, be connected with working medium tube by working medium tube joint 11, then connected by working medium tube and working medium source; This working medium source is compressed air (being cylinder), hydraulic oil (being hydraulic jack) or contains additive water liquid (being pressurized water cylinder apparatus), in view of compressed-air actuated reaction speed fast, working medium of the present utility model source preferred compressed air, the piston ring 9 jack-up brake pads 12 that order about in plunger shaft 8 by compressed air are braked.The fixed disk 13 of aforementioned brake disc is connected to the end face of braking disk body 14 by the securing member such as screw, bolt, and by plunger shaft 8 cappings on braking disk body 14, on fixed disk 13, the annular region of corresponding plunger shaft 8 offers multiple through holes that communicate with plunger shaft 8, the quantity of these through holes, shape all with plunger shaft 8 in brake pad 12 quantity, shape is corresponding consistent, be the appearance profile of the each brake pad 12 in plunger shaft 8 require coupling via profiles shape on corresponding fixed disk 13, this is because the brake pad 12 of this convex cone shaped must be in the through hole of fixed disk 13, under the effect in working medium source, move back and forth, can in the through hole of fixed disk 13, stablize in order to ensure brake pad 12, move back and forth reliably, no matter brake pad 12 is in free state or on-position, all require brake pad 12 to be in the through hole of fixed disk 13, and the height that requires convex cone shaped brake pad 12 is greater than the thickness of fixed disk 13, thereby the thickness range of fixed disk 13 is 15～20mm, for example, when the height of brake pad 12 is 20mm, the thickness of fixed disk 13 is 15mm, when the height of brake pad 12 is 23mm, the thickness of fixed disk 13 is 17mm, when the height of brake pad 12 is 26mm, the thickness of fixed disk 13 is 18mm, when the height of brake pad 12 is 29mm, the thickness of fixed disk 13 is 20mm, by determining of this different size to brake pad 12 and fixed disk 13, make brake pad 12 no matter in free state or on-position is all in the through hole of fixed disk 13, and make brake pad 12 there is sufficient feeding braking surplus, be that brake pad 12 is in the time of free state, the highest can only the flushing with fixed disk 13 end faces in top of brake pad 12, brake pad 12 is in the time of on-position, in brake pad 12, bottom is in the through hole of fixed disk 13 all the time, guarantee that the rotation of frictional disk 6 in braking procedure can not take the brake pad 12 in plunger shaft 8 out of.
Referring to Fig. 4: brake pad of the present utility model is except adopting above-mentioned separate en-block construction, convex cone shaped brake pads 12 all in plunger shaft can also be arranged on same annular matrix, require the circular contour of this matrix and the circular contour of plunger shaft to match.In order to extend the whole service life of brake pad, be convenient for changing maintenance, thisly be arranged in brake pad on same matrix and preferably arrange with manner, i.e. relevant position perforate on matrix, installs monomer brake pad independently, be fixed in the perforate of matrix.The brake pad structure of this disjunctor can further be guaranteed in braking procedure, carry out friction catch to brake pad high level of synchronization in whole annular piston chamber, improves braking effect.
Claims (5)
1. the brake apparatus of a vertical machine rotary table, comprise base (4) and lathe bed (7), described lathe bed (7) is fixed on base (4), between lathe bed (7) and base (4), form braked space (15), above be equipped with rotary table (1) by bearing (3) at lathe bed (7), the rotating shaft (2) of this rotary table (1) extends in braked space (15), it is characterized in that: on the rotating shaft (2) in described braked space (15), be connected with frictional disk (6), the upper brake disc that is fixedly equipped with of base (4) in frictional disk (6) below, the top of this brake disc is provided with annular plunger shaft (8), in plunger shaft (8), be equipped with annular piston ring (9) and brake pad (12), gap between the end face of brake disc and frictional disk (6) bottom surface is 0.5～5mm, the circumference of described brake disc is provided with many working medium passages (10) that communicate with plunger shaft (8), this working medium passage (10) is connected by working medium tube and working medium source.
2. the brake apparatus of vertical machine rotary table according to claim 1, it is characterized in that: described brake disc is mainly made up of braking disk body (14) and fixed disk (13), the end face of described braking disk body (14) offers the plunger shaft (8) of indent, annular, described fixed disk (13) be connected to braking disk body (14) end face, will brake plunger shaft (8) capping on disk body (14), fixed disk (13) is gone up the annular region of corresponding plunger shaft (8) and is offered multiple through holes that communicate with plunger shaft (8); Brake pad (12) in described plunger shaft (8) is the convex cone shaped of the upper through hole of appearance profile coupling fixed disk (13), the brake pad (12) of this convex cone shaped is in the through hole of fixed disk (13) in the time of free state or on-position, and the height of convex cone shaped brake pad (12) is greater than the thickness of fixed disk (13).
3. the brake apparatus of vertical machine rotary table according to claim 2, is characterized in that: the thickness of described fixed disk (13) is 15～20mm; The height of described convex cone shaped brake pad (12) is 20～30mm.
4. the brake apparatus of vertical machine rotary table according to claim 1, is characterized in that: described brake disc is assemblied on base (4) by jackshaft (5).
5. the brake apparatus of vertical machine rotary table according to claim 1, is characterized in that: described working medium source is compressed air, hydraulic oil or containing additive water liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420233506.2U CN203817777U (en) | 2014-05-08 | 2014-05-08 | Brake device for rotating work table of vertical lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420233506.2U CN203817777U (en) | 2014-05-08 | 2014-05-08 | Brake device for rotating work table of vertical lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203817777U true CN203817777U (en) | 2014-09-10 |
Family
ID=51473320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420233506.2U Expired - Lifetime CN203817777U (en) | 2014-05-08 | 2014-05-08 | Brake device for rotating work table of vertical lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203817777U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104723122A (en) * | 2015-04-02 | 2015-06-24 | 江苏恒力组合机床有限公司 | Elastic defamation type brake device of combined machine tool rotating working table |
| CN106975937A (en) * | 2017-05-22 | 2017-07-25 | 中南林业科技大学 | Water brake forward type rotary table and its brake control method |
| CN108730341A (en) * | 2018-07-26 | 2018-11-02 | 中国工程物理研究院机械制造工艺研究所 | A kind of interlock and interlocking method based on pressure control |
| CN109128875A (en) * | 2018-11-20 | 2019-01-04 | 宝鸡虢西磨棱机制造有限公司 | A kind of high-precision rotary working-table |
| CN111251588A (en) * | 2020-01-19 | 2020-06-09 | 湖南江南四棱数控机械有限公司 | High-precision forward-backward slewing bearing turntable |
-
2014
- 2014-05-08 CN CN201420233506.2U patent/CN203817777U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104723122A (en) * | 2015-04-02 | 2015-06-24 | 江苏恒力组合机床有限公司 | Elastic defamation type brake device of combined machine tool rotating working table |
| CN104723122B (en) * | 2015-04-02 | 2017-01-18 | 江苏恒力组合机床有限公司 | Elastic defamation type brake device of combined machine tool rotating working table |
| CN106975937A (en) * | 2017-05-22 | 2017-07-25 | 中南林业科技大学 | Water brake forward type rotary table and its brake control method |
| CN108730341A (en) * | 2018-07-26 | 2018-11-02 | 中国工程物理研究院机械制造工艺研究所 | A kind of interlock and interlocking method based on pressure control |
| CN109128875A (en) * | 2018-11-20 | 2019-01-04 | 宝鸡虢西磨棱机制造有限公司 | A kind of high-precision rotary working-table |
| CN111251588A (en) * | 2020-01-19 | 2020-06-09 | 湖南江南四棱数控机械有限公司 | High-precision forward-backward slewing bearing turntable |
| CN111251588B (en) * | 2020-01-19 | 2022-03-01 | 湖南江南四棱数控机械有限公司 | High-precision forward-backward slewing bearing turntable |
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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: 20140910 |