CN213350855U - Machine tool brake tailstock - Google Patents
Machine tool brake tailstock Download PDFInfo
- Publication number
- CN213350855U CN213350855U CN202022248584.8U CN202022248584U CN213350855U CN 213350855 U CN213350855 U CN 213350855U CN 202022248584 U CN202022248584 U CN 202022248584U CN 213350855 U CN213350855 U CN 213350855U
- Authority
- CN
- China
- Prior art keywords
- base
- piston
- machine tool
- elastic sheet
- end cover
- 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
Images
Landscapes
- Braking Arrangements (AREA)
Abstract
The embodiment of the utility model relates to a lathe brake tailstock, its rotation axis is worn to locate in the base, and end cover fixed mounting is in base one side, and the piston inlays on the terminal surface that base and end cover are adjacent, and brake block fixed mounting is on the rotation axis to press from both sides and arrange in between end cover and the piston, press from both sides between base and the piston and be equipped with cyclic annular shell fragment, be equipped with a plurality of positions and base fixed connection on the shell fragment, and, a plurality of positions and piston fixed connection in addition on the shell fragment. The brake tailstock is additionally provided with the elastic sheet between the base and the piston, and in the motion process of the piston, the elastic sheet is fixed on the base, and the base is always kept in a fixed state, so that the piston can be prevented from doing slight rotary motion, and the processing precision of a workpiece is ensured.
Description
Technical Field
The embodiment of the utility model provides a relate to lathe technical field, especially relate to a lathe brake tailstock.
Background
The machine tool brake tailstock is generally applied to a numerical control machine tool, supports a workpiece in a machining process and is used for improving machining efficiency and machining precision. After the brake tailstock is driven to rotate to complete accurate positioning, a brake system of the brake tailstock clamps a tailstock rotating shaft, rotation caused by cutting force in the machining process is avoided, and a clamped workpiece can be machined with high precision.
The brake tail seat generally includes a base, a rotating shaft, an end cap, a brake pad and a piston. The rotation axis is arranged in the base in a penetrating way, and the end cover is fixedly arranged on one side of the base. The piston is embedded on the end surface of the base adjacent to the end cover. The brake block is fixedly arranged on the rotating shaft and is clamped between the end cover and the piston. When the brake is used, the piston is pushed to move towards the direction of the brake pad through air pressure or hydraulic pressure, and the brake pad is pressed against the fixed end cover through the piston, so that the brake effect is achieved.
The existing brake tailstock has large braking force, a piston of the existing brake tailstock can slightly rotate, and deviation is easily caused when precision parts are machined. The brake tailstock with the anti-rotation structure is generally a locating pin locating structure or other limiting structures, and has a complex overall structure and high manufacturing cost.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiments of the present invention provide a machine tool brake tailstock capable of effectively preventing a piston from slightly rotating, and having a simple structure and a low manufacturing cost.
In order to solve the technical problem, the embodiment of the utility model provides a lathe brake tailstock, including base, rotation axis, end cover, brake block and piston, the rotation axis is worn to locate in the base, end cover fixed mounting is in one side of base, the piston inlays in on the base and the adjacent terminal surface of end cover, brake block fixed mounting be in on the rotation axis, and press from both sides to arrange in between end cover and the piston, it is equipped with cyclic annular shell fragment to press from both sides between base and the piston, be equipped with on the shell fragment a plurality of positions with base fixed connection, and, still on the shell fragment a plurality of positions with piston fixed connection.
Furthermore, two opposite surfaces of the elastic sheet are respectively attached to the base and the piston and are respectively fixedly connected with the base and the piston through a first screw and a second screw.
Furthermore, a plurality of through holes are formed in the elastic sheet and are uniformly distributed in an annular shape, and the first screws and the second screws are arranged in the through holes in a staggered mode from opposite directions.
Furthermore, a plurality of outer edge notches are uniformly distributed on the outer peripheral edge of the elastic sheet.
Further, the outer edge gap is positioned between two adjacent through holes.
Further, the outer edge gap is arc-shaped or polygonal.
Furthermore, a plurality of inner edge notches are uniformly distributed on the inner periphery of the elastic sheet.
Furthermore, the positions of the inner edge notches correspond to the positions of the through holes.
Furthermore, the inner edge gap is arc-shaped or polygonal.
Further, the elastic sheet is made of an elastic material.
Compared with the prior art, the embodiment of the utility model has the advantages that the elastic sheet is additionally arranged between the base and the piston, a plurality of parts on the elastic sheet are fixed on the base, and the piston is fixedly connected with a plurality of parts of the elastic sheet, when the air is ventilated, the piston is pressed to drive the elastic sheet to deform and move towards the direction of the brake pad to extrude the brake pad, thereby realizing the braking function; in the process of the movement of the piston, the elastic sheet is fixed on the base, and the base is always kept in a fixed state, so that the piston can be prevented from doing slight rotary motion, and the processing precision of a workpiece is ensured; when the air pressure is removed, the piston moves to the initial position under the action of the elastic force generated by the deformation of the elastic sheet, the brake pad is loosened, and the workpiece is not blocked in the rotary processing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a schematic perspective view of a preferred embodiment of the machine tool brake tailstock of the present invention.
Fig. 2 is a schematic cross-sectional view of fig. 1.
Fig. 3 is a perspective view of the spring plate in fig. 1.
Fig. 4 is a side view of the projectile of fig. 1 mounted on a base.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the embodiments of the present invention, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person having ordinary skill in the art should belong to the scope protected by the embodiments of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "inside" and "outside" are used for indicating the orientation or the positional relationship based on the orientation or the positional relationship shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention; furthermore, unless expressly stated or limited otherwise, the term "mounted" is to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and 2, a preferred embodiment of the present invention is shown, the machine tool brake tailstock includes a base 1, a rotating shaft 2, an end cap 3, a brake pad 4 and a piston 5. The rotating shaft 2 penetrates through the base 1, the end cover 3 is fixedly installed on one side of the base 1, the piston 5 is embedded on the end face, adjacent to the end cover 3, of the base 1, and the brake pad 5 is fixedly installed on the rotating shaft 2 and clamped between the end cover 3 and the piston 5. An annular elastic sheet 6 is clamped between the base 1 and the piston 5, a plurality of parts on the elastic sheet 6 are fixedly connected with the base 1, and a plurality of parts on the elastic sheet 6 are fixedly connected with the piston 5.
The piston 5 can reciprocate under the action of air pressure and the elastic sheet 6. During ventilation, the piston 5 is pressed to drive the elastic sheet 6 to deform and move towards the brake pad 4, the brake pad 4 is extruded, and the rotating shaft 2 is forced to stop moving, so that the brake function is realized. In the process of the movement of the piston 5, the elastic sheet 6 is fixed on the base 1, and the base 1 is always kept in a fixed state, so that the piston 5 can be prevented from doing slight rotary motion, and the processing precision of a workpiece is ensured. When the air pressure is removed, the piston 5 moves to the initial position under the action of the elastic force generated by the deformation of the elastic sheet 6, the brake pad 4 is loosened, and the workpiece is not blocked in the rotary processing.
Specifically, the brake pad 4 is fixedly mounted on the rotating shaft 2 through screws, and a pressing ring 7 is further sandwiched between the brake pad 4 and the rotating shaft 2. The tapered roller bearing 8, the bearing fastening nut 9 and the locknut 10 are sequentially sleeved on the rotating shaft 2 along the direction far away from the end cover. The bearing 8 is fixed on the base 1 through the rotating shaft 2 and a bearing fastening nut 9; a framework oil seal 11 is arranged between the bearing fastening nut 9 and the base 1 to play a role in sealing; the locknut 10 prevents the bearing fastening nut 9 from loosening. Install the skeleton oil blanket 12 that plays sealed effect between rotation axis 2 and the end cover 3, end cover 3 passes through the screw fixation in base 1 to play the sealed and skeleton oil blanket 12 supporting role of piston 5. And a flange 13 is fixedly arranged at one end of the rotating shaft 2 adjacent to the end cover 3 through screws. A silencer 14 is fixedly arranged on the base 1 and used for preventing the piston 5 from generating loud noise when moving and exhausting; the base 1 is also fixedly provided with an air inlet connector 15, and air can be introduced into the base 1 through the air inlet connector 15, so that the piston 5 is pushed to move.
Referring to fig. 3, in the present embodiment, two opposite surfaces of the elastic sheet 6 respectively abut against the base 1 and the piston 5, and are respectively fastened to the base 1 and the piston 5 by a first screw a and a second screw b. The elastic sheet 6 is made of elastic material, and is provided with a plurality of through holes 61, the through holes 61 are uniformly distributed in a ring shape, and the first screws a and the second screws b are arranged in the through holes 61 in a staggered way from opposite directions. In order to make the elastic sheet 6 easily deform, a plurality of outer edge notches 62 are uniformly distributed on the outer peripheral edge of the elastic sheet 6, and the outer edge notches 62 are positioned between two adjacent through holes 61. In the present embodiment, the outer edge notch 62 is arc-shaped, and may also be in the shape of a polygon such as a triangle, a rectangle, etc. The inner periphery of the elastic sheet 6 is uniformly distributed with a plurality of inner edge notches 63, the positions of the inner edge notches 63 correspond to the positions of the through holes 61, and the function of the inner edge notches 63 is to make the elastic sheet 6 easy to deform. In this embodiment, the inner edge notch 63 is arc-shaped, and may also be in the shape of a polygon such as a triangle, a rectangle, etc.
In order to solve the problems of slight rotation of the piston of the brake tailstock, complex overall structure and high manufacturing cost, the embodiment reserves the brake structure and simultaneously innovatively designs the elastic sheet 6 structure. A plurality of parts on one surface of the elastic sheet 6 are fixed on the base 1 through first screws a, and a plurality of parts on the other surface of the elastic sheet are fixed on the piston 5 through second screws b; during ventilation, the piston 5 is pressed to drive the elastic sheet 6 to deform and move towards the brake pad 4 to extrude the brake pad 4, so that the brake function is realized; in the movement process of the piston 5, the elastic sheet 6 is fixed on the base 1 (the base 1 is in a fixed state), so that the piston 5 is prevented from slightly rotating, and the processing precision of a workpiece is ensured; when the air pressure is removed, the piston 5 moves to the initial position under the action of the elastic force generated by the deformation of the elastic sheet 6, the brake pad 4 is loosened, and the workpiece is not blocked in the rotary processing. In addition, the elastic sheet 6 is made of elastic materials and is annular, the middle structure is kept away, so that the elastic sheet 6 is easy to deform axially, and the elastic sheet 6 is good in rigidity and not prone to deformation in the rotating direction due to the mode that the two surfaces are fixed.
The above embodiments are only preferred embodiments of the present invention, but the embodiments of the present invention are not limited by the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be regarded as equivalent replacement modes, and all are included in the scope of the present invention.
Claims (10)
1. The utility model provides a lathe brake tailstock, includes base, rotation axis, end cover, brake block and piston, the rotation axis is worn to locate in the base, end cover fixed mounting is in one side of base, the piston inlays in on the terminal surface that base and end cover are adjacent, brake block fixed mounting be in on the rotation axis to press from both sides and arrange in between end cover and the piston, its characterized in that, it is equipped with cyclic annular shell fragment to press from both sides between base and the piston, be equipped with on the shell fragment a plurality of positions with base fixed connection, and, still a plurality of positions on the shell fragment with piston fixed connection.
2. The machine tool brake tailstock according to claim 1, wherein two opposite faces of the elastic sheet respectively abut against the base and the piston and are fixedly connected with the base and the piston through a first screw and a second screw respectively.
3. The machine tool brake tailstock according to claim 2, wherein the spring plate is provided with a plurality of through holes, the through holes are uniformly distributed in a ring shape, and the first screw and the second screw are arranged in the through holes in a staggered manner from opposite directions.
4. The machine tool brake tailstock according to claim 3, wherein a plurality of outer edge notches are uniformly distributed on the outer edge of the elastic sheet.
5. The machine tool brake tailstock according to claim 4, wherein the peripheral notch is located between two adjacent through holes.
6. The machine tool brake tailstock according to claim 4 or 5, wherein the peripheral notch is arc-shaped or polygonal.
7. The machine tool brake tailstock according to claim 3, wherein a plurality of inner edge notches are uniformly distributed on the inner periphery of the elastic sheet.
8. The machine tool brake tailstock according to claim 7, wherein the position of the inner edge gap corresponds to the position of each through hole.
9. The machine tool brake tailstock according to claim 7 or 8, wherein the inner edge gap is arc-shaped or polygonal.
10. The machine tool brake tailstock according to claim 1, wherein the resilient piece is made of an elastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022248584.8U CN213350855U (en) | 2020-10-12 | 2020-10-12 | Machine tool brake tailstock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022248584.8U CN213350855U (en) | 2020-10-12 | 2020-10-12 | Machine tool brake tailstock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213350855U true CN213350855U (en) | 2021-06-04 |
Family
ID=76127339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022248584.8U Active CN213350855U (en) | 2020-10-12 | 2020-10-12 | Machine tool brake tailstock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213350855U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114110057A (en) * | 2021-12-07 | 2022-03-01 | 湖北毅兴智能装备股份有限公司 | Machine tool spindle disc brake device |
| CN115921922A (en) * | 2023-03-15 | 2023-04-07 | 江苏古田自动化股份有限公司 | Disc type brake tailstock structure convenient to change and overhaul |
-
2020
- 2020-10-12 CN CN202022248584.8U patent/CN213350855U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114110057A (en) * | 2021-12-07 | 2022-03-01 | 湖北毅兴智能装备股份有限公司 | Machine tool spindle disc brake device |
| CN114110057B (en) * | 2021-12-07 | 2022-07-26 | 湖北毅兴智能装备股份有限公司 | Disc brake device for machine tool spindle |
| CN115921922A (en) * | 2023-03-15 | 2023-04-07 | 江苏古田自动化股份有限公司 | Disc type brake tailstock structure convenient to change and overhaul |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213350855U (en) | Machine tool brake tailstock | |
| US20100275726A1 (en) | Rotary indexing table device for machine tool | |
| CN109794636B (en) | Numerical control swinging and rotating milling head structure | |
| JP2012202484A (en) | Brake disk for rotary table | |
| CN113118791A (en) | Five rotary worktable | |
| CN215805912U (en) | Friction plate assembly, brake assembly and numerical control rotary table | |
| CN102649247A (en) | Processing apparatus with feeler roller | |
| KR20050011676A (en) | Fastening apparatus of shaft with rotative body | |
| CN111702192A (en) | Disc tailstock | |
| CN213764874U (en) | Five-axis rotary worktable of numerical control machine tool non-backlash roller cam structure | |
| NZ740769A (en) | Servo motor | |
| CN211574028U (en) | Combined bearing for stainless steel guide rail of food packaging machine | |
| CN212598909U (en) | Disc tailstock | |
| CN211386940U (en) | Disc type brake tailstock structure | |
| CN220944116U (en) | Direct-drive turntable of numerical control machine tool | |
| CN220006950U (en) | Five spindle nose structures of single armed moment motor | |
| CN214602883U (en) | Be used for diamond saw blade to weld frame and divide tooth motor brake mechanism | |
| CN218696382U (en) | Tool for quickly fixing annular workpiece | |
| CN214603101U (en) | Five rotary worktable | |
| CN212822837U (en) | Motorcycle crank centre hole processing positioning fixture | |
| CN217935224U (en) | Numerical control built-in motor arbitrarily indexing turntable | |
| JP3656376B2 (en) | Rotary indexing device | |
| CN113864377A (en) | Friction plate assembly, brake assembly and numerical control rotary table | |
| CN210388455U (en) | Numerical control machine tool non-backlash roller cam fourth shaft | |
| CN211708650U (en) | Revolving shaft clamping device for machine tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |