CN211277387U - Hydrostatic guideway and locking device thereof - Google Patents
Hydrostatic guideway and locking device thereof Download PDFInfo
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- CN211277387U CN211277387U CN201922034315.9U CN201922034315U CN211277387U CN 211277387 U CN211277387 U CN 211277387U CN 201922034315 U CN201922034315 U CN 201922034315U CN 211277387 U CN211277387 U CN 211277387U
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Abstract
The utility model provides a hydrostatic guideway and a locking device thereof, wherein the locking device comprises a bracket, a power mechanism, a clamping mechanism and a baffle plate, the bracket is arranged on a guideway lathe bed of the hydrostatic guideway, and the power mechanism is arranged on the bracket; the clamping mechanism comprises two locking parts and a wedge block, the two locking parts are symmetrically arranged on two sides of the bracket through a vertical rotating shaft, and the locking parts can rotate around the vertical rotating shaft; an elastic component is connected between the two locking parts; the wedge block is connected with the power mechanism, and the narrow end of the wedge block faces to the gap between the two locking parts; the baffle is fixed on the side surface of the slide carriage of the hydrostatic guideway, and at least part of the baffle is always arranged between the two locking parts; when the power mechanism is started, the locking part is pushed to rotate through the wedge block to clamp the baffle, so that the slide carriage is fixed. The utility model discloses can realize the locking of carriage apron among the hydrostatic guideway, guarantee that the carriage apron can not rock when receiving external force, carriage apron removes damage spare part when avoiding the linear motor to break the messenger simultaneously.
Description
Technical Field
The utility model relates to a hydrostatic guideway field, concretely relates to hydrostatic guideway and locking device thereof.
Background
With the continuous development of the technologies in the fields of aerospace, automobiles, electronics and the like, people have more and more requirements on various complex curved surfaces and high-precision planes, so that the requirements on ultra-precision machining technologies and ultra-precision manufacturing equipment are more and more urgent. The characteristics of ultra-precision machine tools depend mainly on the characteristics of the individual functional components therein and the interaction mechanism. The hydrostatic guide rail is a key component of the ultra-precision machine tool, and the performance of the hydrostatic guide rail directly affects the running stability, reliability and machining precision of the whole machine tool.
As shown in fig. 1, the components of the hydrostatic guideway of the precision machine tool generally include the following parts: guide rail lathe bed, carriage apron, motor, guide rail. The guide rail lathe bed is used as a substrate of the whole hydrostatic guide rail, the guide rail is arranged on the guide rail lathe bed at the bottommost part, and a linear motor is matched between the guide rails to drive a slide carriage on the guide rail lathe bed to realize linear motion.
The locking mechanism is used as an important part in the hydrostatic guide rail, and mainly has the functions of realizing the positioning and locking of the slide carriage and ensuring that the slide carriage cannot shake when being subjected to external load (cutting force). The performance of the locking mechanism has a great influence on the positioning accuracy and stability of the guide rail, so that a locking device which is flexible to implement, stable, high in reliability and simple in structure is needed.
In addition, a linear motor is generally used for a hydrostatic guide of an ultra-precision machine tool. Different from a servo motor and ball screw driving mode, under the condition that a linear motor is disconnected, the movement of the slide carriage of the hydraulic guide rail workbench is not limited by any restriction, so that corresponding collision may occur to ultra-precision machining equipment, and a cutter, a workpiece and a machine tool are damaged. Thus, the locking device is also a protection mechanism when the linear motor is electrically enabled.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem avoid the carriage apron to receive the effect of cutting force and rock when processing the work piece to and avoid the carriage apron when equipment outage or trouble scram, do not receive any restraint to produce and remove and damage other spare parts on the hydrostatic guideway.
In order to solve the technical problem, the utility model provides a technical scheme does:
the locking device for the hydrostatic guideway comprises a bracket, a power mechanism, a clamping mechanism and a baffle plate, wherein the bracket is arranged on a guideway lathe body of the hydrostatic guideway, and the power mechanism is arranged on the bracket; the clamping mechanism comprises two locking parts and a wedge block, the two locking parts are symmetrically arranged on two sides of the bracket through a vertical rotating shaft, and the locking parts can rotate around the vertical rotating shaft; an elastic component is connected between the two locking parts; the wedge block is connected with the power mechanism, and the narrow end of the wedge block faces to the gap between the two locking parts; the baffle is fixed on the side surface of the slide carriage of the hydrostatic guideway, and at least part of the baffle is always arranged between the two locking parts in the process that the baffle moves along with the slide carriage; when the power mechanism is started, the locking part is pushed to rotate through the wedge block, and the baffle is clamped.
Preferably, the inner sides of the two locking parts are provided with inclined surfaces matched with the inclined surfaces of the wedge blocks.
Preferably, the clamping parts of the two locking parts are symmetrically provided with gaskets for clamping the baffle.
Preferably, the bracket is a right-angle bracket, and one side of the right-angle bracket can be fixed on the guide rail bed body through a bolt and the like.
Preferably, the power mechanism is a cylinder.
Preferably, the elastic member is a spring.
The utility model also provides a hydrostatic guideway with locking function, which comprises a guideway lathe bed, a guideway, a slide carriage, a driving motor and a locking device, wherein the guideway lathe bed is positioned at the bottom, the guideway is arranged on the guideway lathe bed, the slide carriage is arranged on the guideway, and the driving motor drives the slide carriage to move relatively; the locking device comprises a bracket, a power mechanism, a clamping mechanism and a baffle plate, wherein the bracket is arranged on a guide rail lathe bed of the hydrostatic guide rail, and the power mechanism is arranged on the bracket; the clamping mechanism comprises two locking parts and a wedge block, the two locking parts are symmetrically arranged on two sides of the bracket through a vertical rotating shaft, and the locking parts can rotate around the vertical rotating shaft; an elastic component is connected between the two locking parts; the wedge block is connected with the power mechanism, and the narrow end of the wedge block faces to the gap between the two locking parts; the baffle is fixed on the side surface of the slide carriage of the hydrostatic guideway, and at least part of the baffle is always arranged between the two locking parts in the process that the baffle moves along with the slide carriage; when the power mechanism is started, the locking part is pushed to rotate through the wedge block, and the baffle is clamped.
Preferably, the guide rail is a single guide rail, a double guide rail or a multiple guide rail.
Preferably, the drive motor is a linear motor.
The utility model has the advantages that: the utility model discloses a power unit's drive makes locking portion rotate around vertical pivot to make the tight position of clamp of locking portion open or closed, realize loosening and pressing from both sides tight the baffle, because the baffle is fixed on the carriage apron, consequently can realize loosening and locking of carriage apron in the hydrostatic guideway on the lathe. Through the locking to the slide carriage, guarantee that the slide carriage does not receive cutting force to rock when needs are fixed to and avoid the slide carriage not receive the removal of any restraint and make spare part receive the damage when equipment outage or trouble scram. And the slide carriage is fixed through the locking baffle plate, and is not in direct contact with the locking part, so that the abrasion of the slide carriage is avoided.
Furthermore, the two locking parts are connected by the elastic component, so that the locking parts can be restored to the original state by the restoring force of the elastic component when the locking is released, and the preparation is made for the next locking. The baffle is separated from other parts of the locking device, so that the flexibility of the whole locking device can be ensured, and meanwhile, the guide rail base is convenient to install.
Furthermore, the inner sides of the two locking parts are provided with inclined surfaces matched with the inclined surfaces of the wedge blocks, and the inclined degrees of the inclined surfaces can be matched with the inclination of the wedge blocks, so that the abrasion is reduced, and the clamping process is more stable. The clamping parts of the two locking parts are symmetrically provided with gaskets for clamping the baffle, and soft metal blocks or rubber gaskets can be arranged to realize more flexible clamping.
Drawings
Fig. 1 is a schematic view of a hydrostatic guideway according to an embodiment of the present invention;
fig. 2 is a side view of a locking device mounted on a hydrostatic guideway according to an embodiment of the present invention;
fig. 3 is a side view of a locking device according to an embodiment of the present invention;
fig. 4 is a top view of a locking device according to an embodiment of the present invention.
In the figure: the device comprises a guide rail lathe bed 1, a slide carriage 2, a left guide rail 3, a right guide rail 4, a linear motor 5, a clamping device 6, a support 7, a baffle 8, a cylinder 9, a wedge block 10, a locking part 11, a vertical rotating shaft 12, a spring 13 and a gasket 14.
Detailed Description
The embodiments and principles of the present invention will be further explained with reference to the accompanying drawings:
the utility model discloses a locking device drags or draws the voussoir through control power unit, makes the clamping part of two locking portions open or closed, reaches the purpose of loosening and locking baffle, because the baffle is with carriage apron fixed connection, consequently can indirectly control the relative movement and the locking of carriage apron and guide rail. And the two locking parts are connected by using the elastic component, so that the clamping part of the locking block can be restored to an open state when the locking is released, and preparation is made for the next locking.
The first embodiment is as follows:
the first embodiment discloses the utility model discloses a locking device's concrete structure. As shown in fig. 2, 3 and 4, the locking device 6 comprises a bracket 7, a power mechanism, a clamping mechanism and a baffle plate 8. The locking device 6 is mounted on the guide bed 1 of the hydrostatic guide by means of a bracket 7 therein. The support 7 can adopt a right-angle support, one side of the support is fixed on the guide rail lathe bed 1 through bolts and the like, and the other side of the support is used for installing other parts of the locking device, so that the stability of the self position of the locking device can be ensured, and the stability of the whole guide rail of the hydrostatic guide rail can be ensured to a greater extent when the hydrostatic guide rail is locked. The power mechanism is arranged on the bracket 7, and the power mechanism can adopt a telescopic device such as a telescopic cylinder and the like.
The power mechanism of the embodiment adopts a cylinder, as shown in fig. 3. The clamping mechanism comprises two locking parts 11 and a wedge 10, the locking parts 11 are symmetrically arranged on two sides of the bracket 7 through a vertical rotating shaft 12, and the locking parts 11 can rotate around the vertical rotating shaft 12. At this time, there are two installation situations for the two locking blocks 11: first, as shown in fig. 4, both locking blocks 11 can rotate; in the second case, one locking segment 11 can be rotated and the other fixed, and the slide 2 can be loosened and clamped by means of the cooperation of the rotatable locking segment and the fixed locking segment. An elastic component is connected between the two locking parts 11, and the elastic component is connected with the middle parts of the two locking parts 11 or the parts between the middle parts and the vertical rotating shaft 12. The elastic member provides a restoring force to restore the clamping portions of the two locking blocks 11 to an open state when the locking is released, in preparation for the next clamping. The wedge block 10 is connected with a power mechanism, the wedge block 10 can be connected with the telescopic end of the cylinder, and the narrow end of the wedge block 10 faces to the gap between the two locking parts 11; the baffle 8 is fixed on the side surface of the slide carriage 2 of the hydrostatic guideway and is positioned on the same side of the hydrostatic guideway with the bracket 7, and at least part of the baffle 8 is always arranged between the two locking parts 11 in the process that the baffle 8 moves along with the slide carriage; when the power mechanism is started, the locking part is pushed to rotate through the wedge block, and the baffle is clamped.
In order to make the clamping process more stable, the surfaces of the two locking parts 11 contacting the wedge 10 can be set to be inclined surfaces matched with the inclined surfaces of the wedge 10; the parts clamped by the two locking parts 11 can also be provided with gaskets which can be symmetrically provided with clamping baffles, such as soft metal or rubber gaskets.
When the locking device is in a normal motion state of the sliding plate 2, the power mechanism of the locking device is recovered, the wedge block 10 moves backwards, at the moment, the clamping parts of the two locking parts 11 are opened under the action of the restoring force of the spring 13, the baffle plate 8 is in a loosening state, and the sliding plate 2 can move freely. When the linear motor 4 is in an off enabling state, namely the equipment is powered off or suddenly stops due to faults, or the slide carriage 2 needs to be fixed due to cutting force, the power mechanism can push the wedge block 10 to move forwards, so that the rear end of the locking part 11 is unfolded, and the clamping part of the locking part 11 locks the baffle 8, so that the slide carriage 2 is prevented from moving.
Example two:
the present embodiment discloses a specific case of applying the locking device to the ultra-precision hydrostatic guideway, as shown in fig. 1 and 2. The hydrostatic guideway in this embodiment comprises two guideways. Specifically, the ultra-precise hydrostatic guideway is composed of the following components: the device comprises a guide rail lathe bed 1, a slide carriage 2, a left guide rail 3, a right guide rail 5 and a linear motor 4. The guide rail bed body 1 is positioned at the bottom, left and right guide rails 3 and 5 are symmetrically arranged on the guide rail bed body, and a linear motor 5 is arranged between the guide rails to drive the slide carriage 2 to linearly move on the guide rails. The locking device 6 is arranged on a guide rail lathe bed of the ultra-precise hydrostatic guide rail through a bracket 7, the baffle 8 is arranged on the slide carriage 2, and the connection relationship between other parts of the locking device and the ultra-precise hydrostatic guide rail is the same as that of the first embodiment. Of course, the locking device can also be applied to other hydrostatic guide rails, and the locking principle is the same.
Example three:
by applying the locking device of the above-described embodiment to a hydrostatic guideway, a hydrostatic guideway having a locking function disclosed in this embodiment is obtained. As shown in fig. 2, 3 and 4, the hydrostatic guideway with locking function comprises a guideway lathe body 1, a guideway, a slide carriage 2, a driving motor 5 and a locking device; the guide rail lathe bed 1 is located the bottom, and the guide rail is installed on the guide rail lathe bed 1, and the guide rail can be single guide rail, double guide rail, also can be many guide rails. The slide carriage 2 is arranged on the guide rail, and the driving motor, such as a linear motor or a servo motor, drives the slide carriage 2 to move relatively on the guide rail. The locking device comprises a bracket 7, a power mechanism, a clamping mechanism and a baffle 8, wherein the bracket 7 is arranged on the guide rail lathe bed 1 of the hydrostatic guide rail, and the power mechanism is arranged on the bracket 7; the clamping mechanism comprises two locking parts 11 and a wedge block 10, wherein the two locking parts 11 are symmetrically arranged on two sides of the bracket through a vertical rotating shaft 12, and the locking parts 11 can rotate around the vertical rotating shaft 12. An elastic component is connected between the two locking parts 11, and when the locking is released, the restoring force of the elastic component can make the clamping ends of the two locking parts 11 restore to the open state to prepare for the next locking; the wedge block 10 is connected with the power mechanism, and the narrow end of the wedge block 10 faces to the gap between the two locking parts 11; the baffle 8 is fixed on the side surface of the slide carriage 2 of the hydrostatic guideway, and at least part of the baffle 8 is always arranged between the two locking parts 11 in the process that the baffle 8 moves along with the slide carriage; when the power mechanism is started, the wedge block 10 pushes the locking part 11 to rotate, so that the baffle plate 8 is clamped.
To sum up, the utility model discloses a locking device can realize the locking of carriage apron among the hydrostatic guideway, guarantees that the carriage apron can not rock when receiving external force, and the carriage apron removes and damages spare part when avoiding the linear motor to cut off the messenger simultaneously.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A locking device for a hydrostatic guideway, comprising a bracket, a power mechanism, a clamping mechanism and a baffle, wherein:
the support is arranged on a guide rail lathe bed of the hydrostatic guide rail, and the power mechanism is arranged on the support;
the clamping mechanism comprises two locking parts and a wedge block, the two locking parts are symmetrically arranged on two sides of the bracket through a vertical rotating shaft, and the locking parts can rotate around the vertical rotating shaft; an elastic component is connected between the two locking parts; the wedge block is connected with the power mechanism, and the narrow end of the wedge block faces to the gap between the two locking parts;
the baffle is fixed on the side surface of the slide carriage of the hydrostatic guideway, and at least part of the baffle is always arranged between the two locking parts in the process that the baffle moves along with the slide carriage;
when the power mechanism is started, the locking part is pushed to rotate through the wedge block, and the baffle is clamped.
2. A locking device for a hydrostatic guideway as defined in claim 1, wherein: the inner sides of the two locking parts are provided with inclined planes matched with the inclined planes of the wedge blocks.
3. A locking device for a hydrostatic guideway as defined in claim 1, wherein: and gaskets for clamping the baffle are symmetrically arranged at the clamping parts of the two locking parts.
4. A locking device for a hydrostatic guideway as defined in claim 1, wherein: the support is a right-angle support, and one side of the right-angle support is fixed on the guide rail lathe bed.
5. A locking device for hydrostatic guideway according to claim 4, characterized in that: one side of the right-angle support is fixed on the guide rail bed body through a bolt.
6. A locking device for a hydrostatic guideway as defined in claim 1, wherein: the power mechanism is a cylinder.
7. A locking device for a hydrostatic guideway as defined in claim 1, wherein: the elastic component is a spring.
8. A hydrostatic guideway with locking function, its characterized in that: the device comprises a guide rail lathe bed, a guide rail, a slide carriage, a driving motor and a locking device, wherein the guide rail lathe bed is positioned at the bottom, the guide rail is arranged on the guide rail lathe bed, the slide carriage is arranged on the guide rail, and the driving motor drives the slide carriage to move on the guide rail; the locking device is as claimed in any one of claims 1-7.
9. The hydrostatic guideway having a locking function according to claim 8, wherein: the guide rail is a single guide rail, a double guide rail or a plurality of guide rails.
10. The hydrostatic guideway having a locking function according to claim 8, wherein: the driving motor is a linear motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922034315.9U CN211277387U (en) | 2019-11-22 | 2019-11-22 | Hydrostatic guideway and locking device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922034315.9U CN211277387U (en) | 2019-11-22 | 2019-11-22 | Hydrostatic guideway and locking device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN211277387U true CN211277387U (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922034315.9U Active CN211277387U (en) | 2019-11-22 | 2019-11-22 | Hydrostatic guideway and locking device thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112894443A (en) * | 2021-04-07 | 2021-06-04 | 中国工程物理研究院机械制造工艺研究所 | Brake braking mechanism, brake device and application |
| CN116160261A (en) * | 2023-04-21 | 2023-05-26 | 江苏领臣精密机械有限公司 | Protection mechanism of hydrostatic guideway |
| CN116572067A (en) * | 2023-07-12 | 2023-08-11 | 通用技术集团机床工程研究院有限公司 | Power failure protection device of hydrostatic guideway system, hydrostatic guideway system and machine tool |
| CN117307609A (en) * | 2023-12-01 | 2023-12-29 | 江苏领臣精密机械有限公司 | Hydrostatic guideway assembly with leveling and locking functions |
-
2019
- 2019-11-22 CN CN201922034315.9U patent/CN211277387U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112894443A (en) * | 2021-04-07 | 2021-06-04 | 中国工程物理研究院机械制造工艺研究所 | Brake braking mechanism, brake device and application |
| CN116160261A (en) * | 2023-04-21 | 2023-05-26 | 江苏领臣精密机械有限公司 | Protection mechanism of hydrostatic guideway |
| CN116160261B (en) * | 2023-04-21 | 2023-07-07 | 江苏领臣精密机械有限公司 | Protection mechanism of hydrostatic guideway |
| CN116572067A (en) * | 2023-07-12 | 2023-08-11 | 通用技术集团机床工程研究院有限公司 | Power failure protection device of hydrostatic guideway system, hydrostatic guideway system and machine tool |
| CN116572067B (en) * | 2023-07-12 | 2023-10-31 | 通用技术集团机床工程研究院有限公司 | Power failure protection device of hydrostatic guideway system, hydrostatic guideway system and machine tool |
| CN117307609A (en) * | 2023-12-01 | 2023-12-29 | 江苏领臣精密机械有限公司 | Hydrostatic guideway assembly with leveling and locking functions |
| CN117307609B (en) * | 2023-12-01 | 2024-01-30 | 江苏领臣精密机械有限公司 | Hydrostatic guideway assembly with leveling and locking functions |
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