CN219945260U - Rapid locking mechanism for ultraprecise machine tool guide rail - Google Patents
Rapid locking mechanism for ultraprecise machine tool guide rail Download PDFInfo
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- CN219945260U CN219945260U CN202321459786.4U CN202321459786U CN219945260U CN 219945260 U CN219945260 U CN 219945260U CN 202321459786 U CN202321459786 U CN 202321459786U CN 219945260 U CN219945260 U CN 219945260U
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- guide rail
- machine tool
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- 230000007246 mechanism Effects 0.000 title claims abstract description 32
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000004044 response Effects 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 description 6
- 238000003754 machining Methods 0.000 description 4
- 230000002706 hydrostatic effect Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007516 diamond turning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of ultra-precise machine tool systems, in particular to a rapid locking mechanism for an ultra-precise machine tool guide rail. The locking seat is used for being connected with a guide rail base, and the locking bar is used for being connected with a working carriage; two ends of the first elastic element and the second elastic element are respectively connected with the locking seat and the corresponding first locking block and second locking block; the first locking block and the second locking block are used for being mutually matched under the drive of the first elastic element and the second elastic element so as to loosen the locking strip; the piston rod of the air cylinder is connected with the locking pushing block and used for driving the locking pushing block to be inserted into a gap between the first locking block and the second locking block so as to lock the locking bar. The quick locking mechanism for the ultraprecise machine tool guide rail aims to solve the problem that the existing machine tool guide rail locking mechanism is low in response speed, so that machine tool parts, workpieces and tools are damaged.
Description
Technical Field
The utility model relates to the technical field of ultra-precise machine tool systems, in particular to a rapid locking mechanism for an ultra-precise machine tool guide rail.
Background
With the improvement of the functional integration degree of modern military equipment, on the premise of continuously lightening the requirements of system weight and volume, the optical systems such as detection, guidance, imaging, aiming and the like of airborne weapons, missile-borne weapons and the like are required to further improve the imaging resolution of the system, enlarge the field of view, improve the imaging quality and increase the detection distance, and the traditional processing machine tool can not meet the requirements of the weapons on advanced optical systems, and the parts of the optical systems can be processed by an ultra-precise processing machine tool.
The production requirements of products such as optical guidance and the like are increased, and the requirements on ultra-precise optical machining equipment are obviously increased, and because the manufacturing of the batch of precise optical parts can only adopt a single-point diamond turning machining process mode, the production equipment is completely dependent on an ultra-precise machining machine tool, and a mechanical table body of the ultra-precise machining machine tool mainly comprises a linear shaft guide rail, a workpiece main shaft and other modules.
Because of the characteristics of high precision, high rigidity and the like, the linear shaft guide rail of the ultra-precise machine tool is generally driven by a linear motor by adopting a hydrostatic guide rail. Because the hydrostatic guideway is basically free from friction, the hydrostatic guideway can freely move in a free state; the linear motor drive is characterized in that no contact exists between the rotor and the stator, so that after the motor is enabled to be disconnected, the constraint on the guide rail moving carriage is lost, and the machine tool parts, the workpieces and the cutters are damaged.
Accordingly, the inventors have provided a quick lock mechanism for a guide rail of an ultra-precise machine tool.
Disclosure of Invention
(1) Technical problem to be solved
The embodiment of the utility model provides a quick locking mechanism for an ultraprecise machine tool guide rail, which solves the technical problem that the existing machine tool guide rail locking mechanism is damaged by machine tool parts, workpieces and cutters due to lower response speed.
(2) Technical proposal
The utility model provides a quick locking mechanism for a guide rail of an ultra-precise machine tool, which comprises a locking seat, a first locking block, a second locking block, a locking push block, an air cylinder, a locking strip, a first elastic element and a second elastic element, wherein the locking seat is used for being connected with a guide rail base, and the locking strip is used for being connected with a working carriage;
the first end of the first elastic element is fixed on the locking seat, the second end of the first elastic element is connected with the first locking block, the first end of the second elastic element is fixed on the locking seat, and the second end of the second elastic element is connected with the second locking block; the locking strip penetrates through a gap between the first locking block and the second locking block, and the first locking block and the second locking block are hinged to the locking seat and are used for being mutually matched under the drive of the first elastic element and the second elastic element so as to loosen the locking strip;
the cylinder is installed in the locking seat, the piston rod of cylinder with the locking ejector pad is connected and is used for driving the locking ejector pad inserts first locking piece with the space between the second locking piece is in order to lock the latch segment.
Further, the first locking block and the second locking block are symmetrically arranged on the locking seat and are respectively used for being meshed with the upper end face and the lower end face of the locking strip.
Further, the first locking block and the second locking block are respectively provided with a first tooth shape on the end face contacted with the locking strip, and the locking strip is provided with a second tooth shape matched with the first tooth shape.
Further, the first locking block comprises a first part and a second part which are connected with each other, wherein the first part is far away from the air cylinder, and the dimension of the first part parallel to the mounting surface direction of the locking seat is larger than that of the second part.
Further, the first portion and the second portion are integrally formed.
Further, the second end of the first resilient element is connected to the first portion.
Further, the cross section of the locking bar is L-shaped, and the locking bar comprises a horizontal part and a vertical part which are connected with each other; the upper end face and the lower end face of the horizontal part are respectively meshed with the first locking block and the second locking block, and the horizontal part is used for installing the working carriage.
Further, the first elastic element and the second elastic element are springs in a stretched state.
Further, the quick locking mechanism further comprises a rotating sleeve, the rotating sleeve comprises a sleeve and a rotating shaft, the sleeve is fixed on the locking seat, the rotating shaft is inserted into the sleeve and is connected in a rotating mode, and the rotating shaft penetrates through the first locking block and moves synchronously.
Further, the quick locking mechanism further comprises a cylinder mounting seat, and the cylinder is fixed on the locking seat through the cylinder mounting seat.
(3) Advantageous effects
In conclusion, the guide rail locking is realized by using the mode of adding the locking mechanism to the air cylinder, the air cylinder is ventilated in the normal working state, the air cylinder piston is retracted, the locking block releases the locking strip, and the carriage can move freely; and in case abnormal conditions such as motor enabling and breaking occur, the air cylinder is broken, the piston is pushed out, and therefore the two locking blocks lock the locking strip, free movement of the carriage is limited, and the air cylinder locking device has the advantages of being simple in implementation, quick in response, reliable in locking and the like.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments of the present utility model will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to a person of ordinary skill in the art.
FIG. 1 is a schematic structural view of a quick locking mechanism for a guide rail of an ultra-precise machine tool according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of a quick locking mechanism for a guide rail of an ultra-precise machine tool in the length direction according to an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of a rapid locking mechanism for a guide rail of an ultra-precise machine tool in the width direction according to an embodiment of the present utility model;
FIG. 4 is a front view of a quick lock mechanism for a guide rail of an ultra-precise machine tool according to an embodiment of the present utility model;
fig. 5 is a schematic diagram of an assembly structure of a quick locking mechanism and a guide rail according to an embodiment of the present utility model.
In the figure:
1-a locking seat; 2-a first locking block; 3-a second locking block; 4-locking the push block; 5-cylinder; 6-locking bars; 7-a first elastic element; 8-a second elastic element; 9-rotating the sleeve; 10-a cylinder mounting seat; 100-a guide rail base; 200-working carriage.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the utility model and are not intended to limit the scope of the utility model, i.e., the utility model is not limited to the embodiments described, but covers any modifications, substitutions and improvements in parts, components and connections without departing from the spirit of the utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships conventionally put in place when the product of the present utility model is used, or the directions or positional relationships conventionally understood by those skilled in the art are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed" and "mounted" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Fig. 1 is a schematic structural view of a quick locking mechanism for a guide rail of an ultra-precise machine tool according to an embodiment of the present utility model, as shown in fig. 1 to 5, the quick locking mechanism may include a locking seat 1, a first locking block 2, a second locking block 3, a locking push block 4, an air cylinder 5, a locking bar 6, a first elastic element 7 and a second elastic element 8, where the locking seat 1 is used for being connected with a guide rail base 101, and the locking bar 6 is used for being connected with a working carriage 102; the first end of the first elastic element 7 is fixed on the locking seat 1, the second end of the first elastic element 7 is connected with the first locking block 2, the first end of the second elastic element 8 is fixed on the locking seat 1, and the second end of the second elastic element 8 is connected with the second locking block 3; the locking strip 6 penetrates through a gap between the first locking block 2 and the second locking block 3, and the first locking block 2 and the second locking block 3 are hinged to the locking seat 1 and are used for being mutually matched under the drive of the first elastic element 7 and the second elastic element 8 to loosen the locking strip 6; the cylinder 5 is installed in locking seat 1, and the piston rod of cylinder 5 is connected with locking ejector pad 4 and is used for driving locking ejector pad 4 to insert the space between first locking piece 2 and the second locking piece 3 in order to lock locking strip 6.
In the above embodiment, the locking seat 1 is connected to the work carriage 200, and the locking bar 6 is connected to the rail base 100. In a normal working state, the air cylinder 5 is ventilated, the piston of the air cylinder 5 drives the locking push block 4 to retract, the first locking block 2 and the second locking block 3 release the locking strip 6 under the action of the first elastic element 7 and the second elastic element 8, and the working carriage 200 can freely move; and in case of abnormal conditions such as motor enabling and breaking, the cylinder 5 is rapidly switched to break the air through a direct-acting electromagnetic valve, and the piston is pushed out through a spring in the single-acting normal-out cylinder, so that the first locking block 2 and the second locking block 3 lock the locking strip 6, and the free movement of the working carriage 200 is limited.
As an alternative embodiment, as shown in fig. 4, the first locking block 2 and the second locking block 3 are symmetrically arranged on the locking seat 1 and are respectively used for being meshed with the upper end face and the lower end face of the locking strip 6.
In particular, the two locking blocks are arranged in such a way that the locking force of the locking blocks on the locking strip 6 is more uniform and stable.
As an alternative embodiment, as shown in fig. 4, the end surfaces of the first locking block 2 and the second locking block 3, which are in contact with the locking strip 6, are respectively provided with a first tooth shape, and the locking strip 6 is provided with a second tooth shape which is matched with the first tooth shape.
Specifically, to ensure reliable locking, the first locking block 2, the second locking block 3 and the locking bar 6 are designed with gear structures so as to facilitate the engagement between every two.
As an alternative embodiment, as shown in fig. 4, the first locking block 2 includes a first portion and a second portion connected to each other, the first portion being distant from the cylinder 5 and having a larger dimension parallel to the mounting surface of the locking seat 1 than the second portion.
Specifically, the first locking block 2 and the second locking block 3 are designed in the special structure form so as to facilitate locking/unlocking of the locking bar 6 under the driving of the reciprocating movement of the locking push block 4. Specifically, a wedge-shaped gap is formed between the first locking block 2 and the second locking block 3, and the locking push block 4 is a wedge-shaped block matched with the gap, so that when the locking push block 4 moves towards the second portion, the gap formed by the two locking blocks is enlarged, and the second portion of the first locking block 2 and the second portion of the second locking block 3 are close to each other to lock the locking strip 6.
As an alternative embodiment, as shown in fig. 4, the first portion and the second portion are integrally formed. Wherein, the integral type structure of first latch segment 2 can be convenient for processing. Meanwhile, the second locking block 3 can also be designed in the same way.
As an alternative embodiment, as shown in fig. 4, the second end of the first elastic element 7 is connected to the first part. The first elastic element 7 and the first locking block 2 are connected in such a way that the elastic deformation force of the elastic element drives the first locking block 2 to rotate clockwise/anticlockwise, so that the gap between the first locking block 2 and the second locking block 3 is enlarged/reduced, and the locking bar 6 between the first locking block 2 and the second locking block is loosened/locked; similarly, the second end of the second elastic element 8 is connected to the first portion of the second locking block 3.
As an alternative embodiment, as shown in fig. 3, the locking bar 6 has an L-shaped cross section, which includes a horizontal portion and a vertical portion connected to each other; the upper end surface and the lower end surface of the horizontal part are respectively meshed with the first locking block 2 and the second locking block 3, and the horizontal part is used for installing the working carriage 200.
Specifically, the shape of the lock bar 6 is not limited as long as it can meet the mounting requirement of the work carriage 200.
As an alternative embodiment, as shown in fig. 4, the first elastic element 7 and the second elastic element 8 are springs in tension.
Specifically, the spring in the stretched state always generates a certain tensile force to the first locking block 2 and the second locking block 3 so that the first locking block and the second locking block have a tendency to be separated from each other.
As an alternative embodiment, as shown in fig. 2-3, the quick locking mechanism further comprises a rotating sleeve 9, the rotating sleeve 9 comprises a sleeve and a rotating shaft, the sleeve is fixed on the locking seat 1, the rotating shaft is inserted into the sleeve and is rotationally connected, and the rotating shaft penetrates through the first locking block 2 and synchronously moves.
Specifically, the rotating sleeve 9 is composed of two split parts, the sleeve-shaped part on the right side (direction shown in fig. 3) of the rotating sleeve 9 has an outer cylindrical surface 0.005-0.01 mm higher than the inner hole surface of the locking seat, so that after the part on the left side (direction shown in fig. 3) of the locking rotating sleeve 9 is mounted on the locking seat 1 by using a screw, the parts are used for ensuring that the first locking block 2 and the second locking block 3 can flexibly rotate on the locking seat 1, and the specific structural form is not repeated.
As an alternative embodiment, as shown in fig. 2-3, the quick lock mechanism further comprises a cylinder mount 10, and the cylinder 5 is fixed to the lock base 1 by the cylinder mount 10. The installation seat 10 is configured to facilitate installation of the air cylinder 5, and a specific structural form thereof is not described in detail.
It should be understood that, in the present specification, each embodiment is described in an incremental manner, and the same or similar parts between the embodiments are all referred to each other, and each embodiment is mainly described in a different point from other embodiments. The utility model is not limited to the specific steps and structures described above and shown in the drawings. Also, a detailed description of known method techniques is omitted here for the sake of brevity.
The above is only an example of the present utility model and is not limited to the present utility model. Various modifications and alterations of this utility model will become apparent to those skilled in the art without departing from the scope of this utility model. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.
Claims (10)
1. The quick locking mechanism for the ultra-precise machine tool guide rail is characterized by comprising a locking seat (1), a first locking block (2), a second locking block (3), a locking push block (4), an air cylinder (5), a locking strip (6), a first elastic element (7) and a second elastic element (8), wherein the locking seat (1) is used for being connected with a guide rail base (100), and the locking strip (6) is used for being connected with a working carriage (200);
the first end of the first elastic element (7) is fixed on the locking seat (1), the second end of the first elastic element (7) is connected with the first locking block (2), the first end of the second elastic element (8) is fixed on the locking seat (1), and the second end of the second elastic element (8) is connected with the second locking block (3); the locking strip (6) is arranged in a gap between the first locking block (2) and the second locking block (3) in a penetrating manner, and the first locking block (2) and the second locking block (3) are hinged to the locking seat (1) and are used for being mutually matched under the drive of the first elastic element (7) and the second elastic element (8) so as to loosen the locking strip (6);
the cylinder (5) is arranged on the locking seat (1), a piston rod of the cylinder (5) is connected with the locking pushing block (4) and used for driving the locking pushing block (4) to be inserted into a gap between the first locking block (2) and the second locking block (3) so as to lock the locking strip (6).
2. The rapid locking mechanism for the ultra-precise machine tool guide rail according to claim 1, wherein the first locking block (2) and the second locking block (3) are symmetrically arranged on the locking seat (1) and are respectively used for being meshed with the upper end face and the lower end face of the locking strip (6).
3. The rapid locking mechanism for the ultraprecise machine tool guide rail according to claim 2, wherein the first locking block (2) and the second locking block (3) are respectively provided with a first tooth form on the end surface contacted with the locking bar (6), and the locking bar (6) is provided with a second tooth form matched with the first tooth form.
4. The quick lock mechanism for a guide rail of an ultra-precise machine tool according to claim 2, wherein the first lock block (2) comprises a first portion and a second portion which are connected to each other, the first portion being away from the cylinder (5) and having a larger dimension parallel to the mounting surface direction of the lock seat (1) than the second portion.
5. The quick lock mechanism for a guide rail of an ultraprecise machine tool according to claim 4, wherein the first portion and the second portion are integrally formed.
6. The quick lock mechanism for a guide rail of an ultra-precise machine tool according to claim 4, wherein the second end of the first elastic element (7) is connected to the first portion.
7. The quick locking mechanism for the guide rail of the ultra-precise machine tool according to claim 1, wherein the cross section of the locking bar (6) is L-shaped and comprises a horizontal part and a vertical part which are connected with each other; the upper end face and the lower end face of the horizontal part are respectively meshed with the first locking block (2) and the second locking block (3), and the horizontal part is used for installing the working carriage (200).
8. The quick lock mechanism for a guide rail of an ultraprecise machine tool according to claim 1, wherein the first elastic element (7) and the second elastic element (8) are springs in a stretched state.
9. The quick locking mechanism for the guide rail of the ultra-precise machine tool according to claim 1, further comprising a rotating sleeve (9), wherein the rotating sleeve (9) comprises a sleeve and a rotating shaft, the sleeve is fixed on the locking seat (1), the rotating shaft is inserted into the sleeve and is rotationally connected, and the rotating shaft penetrates through the first locking block (2) and synchronously moves.
10. The quick lock mechanism for a guide rail of an ultraprecise machine tool according to claim 1, further comprising a cylinder mount (10), wherein the cylinder (5) is fixed to the lock mount (1) by the cylinder mount (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321459786.4U CN219945260U (en) | 2023-06-08 | 2023-06-08 | Rapid locking mechanism for ultraprecise machine tool guide rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321459786.4U CN219945260U (en) | 2023-06-08 | 2023-06-08 | Rapid locking mechanism for ultraprecise machine tool guide rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219945260U true CN219945260U (en) | 2023-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321459786.4U Active CN219945260U (en) | 2023-06-08 | 2023-06-08 | Rapid locking mechanism for ultraprecise machine tool guide rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219945260U (en) |
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2023
- 2023-06-08 CN CN202321459786.4U patent/CN219945260U/en active Active
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