CN215554266U - Frock clamp that compressor rotor blade was used - Google Patents
Frock clamp that compressor rotor blade was used Download PDFInfo
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- CN215554266U CN215554266U CN202122008920.6U CN202122008920U CN215554266U CN 215554266 U CN215554266 U CN 215554266U CN 202122008920 U CN202122008920 U CN 202122008920U CN 215554266 U CN215554266 U CN 215554266U
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- clamping seat
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- fastening bolt
- rotor blade
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Abstract
The utility model discloses a tool clamp for a rotor blade of an air compressor, and particularly relates to the technical field of tool clamps. A tooling fixture for compressor rotor blades, comprising: the locking device comprises a first clamping seat, a second clamping seat and a locking assembly, wherein the first clamping seat and the second clamping seat are arranged side by side; the edge that the top of first clamping seat is close to the second clamping seat is provided with the clamping recess, and the clamping recess forms the clamping chamber with the second clamping seat for the dovetail tenon of clamping rotor blade, and locking Assembly includes cushion and fastening bolt, and the cushion setting is in the inside of clamping recess and at the extending direction in clamping chamber and the lateral wall sliding fit in clamping chamber, and fastening bolt passes first clamping seat and is connected with the cushion. The clamping device is simple in structure and convenient and fast to clamp, and can effectively solve the problems of low stability and production efficiency of the existing clamping, inaccurate positioning after repeated clamping and the like.
Description
Technical Field
The utility model relates to the technical field of tool fixtures, in particular to a tool fixture for a rotor blade of an air compressor.
Background
The aircraft engine is regarded as the heart of aircraft, is honored as modern industry "bright pearl on the imperial crown", and compressor rotor blade provides the powerful guarantee for aircraft engine's performance as the core of engine. At present, when a dovetail tenon is clamped on a rotor blade of an air compressor in a machining mode, a parallel jaw vice is widely used for direct clamping, because the parallel jaw vice is used directly for clamping a few contact surfaces, the limited freedom degree is few, repeated positioning cannot be achieved, clamping instability is caused easily in numerical control machining, in addition, each part needs to be centered in batch production, the time is greatly wasted, and great influence is brought to the machining stability. Therefore, the tooling clamp for the compressor rotor blade is designed, so that the clamping stability is improved, the clamping of the rotor blades of multiple models is realized, the purpose of repeated clamping and positioning is realized, and the production efficiency is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a tool clamp for a compressor rotor blade, which solves the problems that the existing clamping stability and production efficiency are low and the clamping and positioning cannot be accurately carried out.
The technical scheme for solving the technical problems is as follows:
a tooling fixture for compressor rotor blades, comprising: the locking device comprises a first clamping seat, a second clamping seat and a locking assembly, wherein the first clamping seat and the second clamping seat are arranged side by side;
the edge that the top of first clamping seat is close to the second clamping seat is provided with the clamping recess, and the clamping recess forms the clamping chamber with the second clamping seat for the dovetail tenon of clamping rotor blade, and locking Assembly includes cushion and fastening bolt, and the cushion setting is in the inside of clamping recess and at the extending direction in clamping chamber and the lateral wall sliding fit in clamping chamber, and fastening bolt passes first clamping seat and is connected with the cushion.
The beneficial effects of adopting the above technical scheme are: the clamping cavity is formed between the clamping groove and the second clamping seat, so that the dovetail-shaped tenon of the rotor blade of the compressor is clamped in the clamping cavity, the cushion block is arranged in the clamping groove and connected with the fastening bolt, and the cushion block presses the dovetail-shaped tenon in the clamping groove under the action of the fastening bolt.
The clamping process of the compressor rotor blade comprises the following steps: arranging a fastening bolt on the first clamping seat and connecting the fastening bolt with the cushion block inside the clamping groove; then, clamping a dovetail tenon of a rotor blade of the gas compressor into the clamping groove from the end part of the first clamping seat; then the fastening bolt is screwed down, so that the dovetail tenon is tightly pressed by the cushion block; then, the second clamping seat is arranged on one side of the first clamping seat, which is provided with the clamping groove, the dovetail-shaped tenon is compressed along the longitudinal direction of the first clamping seat and the longitudinal direction of the second clamping seat, and clamping is completed.
Further, the cross sections of the first clamping seat and the second clamping seat are of convex structures, and the second clamping seat and the first clamping seat are longitudinally arranged side by side.
The beneficial effects of adopting the above technical scheme are: the first clamping seat and the second clamping seat are both arranged to be of a convex structure, so that the clamping groove is arranged at the convex structure, the fastening bolt can penetrate through the first clamping seat to be connected with the cushion block conveniently, and a clamping cavity for clamping the dovetail-shaped tenon is formed between the clamping groove and the second clamping seat.
Furthermore, the top of one end of the clamping groove is provided with a protrusion extending towards the inside of the clamping groove, and the fastening bolt penetrates through one end, far away from the protrusion, of the clamping groove.
The beneficial effects of adopting the above technical scheme are: the dovetail tenon is contacted with the protrusion through the protrusion arranged in the clamping groove, the cushion block is arranged on one side opposite to the protrusion, and the cushion block compresses the dovetail tenon in the clamping cavity under the action of the fastening bolt.
Furthermore, one side of the bulge, which is close to the inside of the clamping groove, is arc-shaped.
The beneficial effects of adopting the above technical scheme are: the arc-shaped part is arranged on one side of the protrusion, so that the protrusion is in close contact with the dovetail-shaped tenon, and can be matched with compressor rotor blades of different models to stably clamp the compressor rotor blades on the tool clamp.
Furthermore, the cushion block is provided with a pressing inclined plane, the pressing inclined plane is arranged on one side far away from the connection between the cushion block and the fastening bolt, and the pressing inclined plane faces the bottom of the clamping groove.
The beneficial effects of adopting the above technical scheme are: the pressing inclined plane of the cushion block faces the bottom of the clamping groove, so that the pressing inclined plane can be in close contact with the dovetail tenon, and the cushion block stably clamps the rotor blade of the gas compressor under the action of the fastening bolt.
Furthermore, the tail part of the fastening bolt extends into the cushion block and is in running fit with the cushion block.
The beneficial effects of adopting the above technical scheme are: the tail of the fastening bolt extends into the cushion block, so that the fastening bolt can move relative to the cushion block, and when the fastening bolt slides on the first clamping seat along the transverse direction of the first clamping seat, the cushion block moves in the clamping cavity and the dovetail-shaped tenon is clamped in the clamping cavity.
The utility model has the following beneficial effects:
1. the clamping device is simple in structure and convenient and fast to clamp, and can effectively solve the problems of low stability and production efficiency of the existing clamping, inaccurate positioning after repeated clamping and the like.
2. According to the utility model, the clamping cavity formed by the clamping groove on the first clamping seat and the second clamping seat enables the dovetail-shaped tenon to be stably clamped in the clamping cavity.
3. The cushion block is arranged in the clamping groove, so that the dovetail-shaped tenon placed in the clamping cavity is stably clamped in the clamping cavity by the cushion block.
Drawings
FIG. 1 is a schematic structural view of a tooling fixture of the present invention;
FIG. 2 is a schematic structural view of a first clamping seat according to the present invention;
FIG. 3 is a schematic view of the construction of the spacer of the present invention;
fig. 4 is a schematic view of a clamping structure of the compressor rotor blade and the tool clamp of the present invention.
In the figure: 1-a first clamping seat; 2-a second clamping seat; 3-a locking assembly; 4-clamping cavity; 11-clamping grooves; 12-a bump; 31-a cushion block; 32-fastening bolts; 311-pressing the bevel.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.
Examples
Referring to fig. 1 and 4, a tooling fixture for a rotor blade of an air compressor comprises a first clamping seat 1 and a second clamping seat 2 arranged side by side with the first clamping seat 1, wherein the first clamping seat 2 is arranged along the longitudinal direction of the first clamping seat 1, a clamping cavity 4 is arranged between the first clamping seat 1 and the second clamping seat 2, a fastening component 3 is arranged in the clamping cavity 4, the fastening component 3 comprises a fastening bolt 32 connected with a cushion block 31, the cushion block 31 is arranged in the clamping cavity 4, and the fastening bolt 32 passes through the first clamping seat 1 and then is connected with the cushion block 31. The first clamping seat 1 and the second clamping seat 2 are arranged side by side to form a clamping cavity 4, so that the dovetail tenon of the compressor rotor blade is placed in the clamping cavity 4, and the cushion block 31 arranged in the clamping cavity 4 stably clamps the dovetail tenon in the clamping cavity 4, thereby facilitating the subsequent processing of the compressor rotor blade.
Referring to fig. 1 and 2, the first clamping seat 1 and the second clamping seat 2 are both of a convex structure, a clamping groove 11 is formed in one side of the top of the first clamping seat 1, which is close to the edge of the second clamping seat 2, a clamping cavity 4 is formed between the clamping groove 11 and the second clamping seat 2, a protrusion 12 extending towards the inside of the clamping groove is arranged at the top of one end of the clamping groove 11, a threaded through hole matched with a fastening bolt 32 is formed in the other end of the clamping groove 11, the fastening bolt 32 is in threaded connection with the first clamping seat 1, and further the extending direction of the fastening bolt 32 is consistent with the extending direction of the clamping cavity 4, so that the cushion block 31 is driven to slide in the clamping cavity 4, and the dovetail-shaped tenon can be stably clamped in the clamping cavity 4.
The connecting surface of the second clamping seat 2 and the first clamping seat 1 is of a flat-head structure, and the cross section of the second clamping seat 2 is also of a convex structure, so that a clamping cavity 4 can be formed between the clamping groove 11 on the first clamping seat 1 and the second clamping seat 2 for clamping the compressor rotor blade, and the phenomenon that the compressor rotor blade slides longitudinally along the first clamping seat/the second clamping seat is prevented in the processing process.
The end of the fastening bolt 32 is a smooth connecting rod, the cushion block 31 is provided with a counter bore matched with the smooth connecting rod at the end of the fastening bolt 32, the smooth connecting rod part of the fastening bolt 32 extends into the counter bore, so that the fastening bolt 32 and the cushion block 31 can move relatively, and when the cushion block 31 is in contact with the dovetail tenon, the cushion block 31 compresses the dovetail tenon in the clamping cavity 4 by screwing the fastening bolt 32.
Referring to fig. 3 and 4, the spacer 31 includes a pressing inclined surface 311, the pressing inclined surface 311 is disposed on a side away from the connection between the spacer 31 and the fastening bolt 32, and the pressing inclined surface 311 faces the bottom of the clamping groove 11. The pressing inclined surface 311 is in contact with the dovetail tenon, so that the cushion block 31 presses the dovetail tenon in the clamping cavity 4 in the process that the fastening bolt 32 moves transversely along the clamping groove 11.
The clamping process of the compressor rotor blade comprises the following steps: (1) placing the cushion block 31 in the clamping groove 11, making the pressing inclined surface 311 of the cushion block 31 face the bottom of the clamping groove 11, then arranging the fastening bolt 32 on the first clamping seat 1 in a convex structure in a transverse penetrating manner along the first clamping seat 1, and connecting the fastening bolt 32 and the cushion block 31 together; (2) the dovetail tenon of the rotor blade of the compressor is transversely clamped between the clamping groove 11 and the cushion block 31 from the first clamping seat 1; (3) the fastening bolt 32 is screwed down, so that the cushion block 31 compresses the dovetail tenon along the transverse direction of the first clamping seat 1, and the phenomenon that the rotor blade of the gas compressor is loosened during processing is prevented; (4) the second clamping seat 2 is arranged on one side of the clamping groove 11 in a mode of longitudinally extending along the first clamping seat 1, so that the dovetail-shaped tenon is clamped in the clamping cavity 4 formed by the clamping groove 11 and the second clamping seat 2, and the dovetail-shaped tenon is prevented from longitudinally sliding along the first clamping seat and the second clamping seat, and clamping is completed.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a frock clamp that compressor rotor blade was used which characterized in that includes: the locking device comprises a first clamping seat (1), a second clamping seat (2) and a locking assembly (3), wherein the first clamping seat (1) and the second clamping seat (2) are arranged side by side;
the top of first clamping seat (1) is close to the edge of second clamping seat (2) is provided with clamping recess (11), clamping recess (11) with second clamping seat (2) form clamping chamber (4) for clamping rotor blade's dovetail tenon, locking Assembly (3) are including cushion (31) and fastening bolt (32), cushion (31) set up the inside of clamping recess (11) and be in the extending direction in clamping chamber (4) with the lateral wall sliding fit in clamping chamber (4), fastening bolt (32) pass first clamping seat (1) and with cushion (31) are connected.
2. A tooling clamp for compressor rotor blades according to claim 1, characterized in that the cross sections of the first clamping seat (1) and the second clamping seat (2) are both convex structures, and the second clamping seat (2) and the first clamping seat (1) are arranged side by side in the longitudinal direction.
3. A tooling clamp for compressor rotor blades according to claim 2, wherein a protrusion (12) extending towards the inside of the clamping groove (11) is arranged at the top of one end of the clamping groove (11), and the fastening bolt (32) is arranged at one end of the clamping groove (11) far away from the protrusion (12) in a penetrating manner.
4. A tool holder for compressor rotor blades according to claim 3, characterised in that the side of the projection (12) adjacent to the inside of the clamping groove (11) is curved.
5. A tool holder for a compressor rotor blade according to any one of claims 1 to 4, characterised in that the spacer block (31) is provided with a pressing bevel (311), the pressing bevel (311) being provided on the side remote from the connection of the spacer block (31) with the fastening bolt (32), and the pressing bevel (311) facing towards the bottom of the clamping groove (11).
6. A tool holder for compressor rotor blades according to claim 5, characterised in that the tail end of the fastening bolt (32) extends into the spacer block (31) and is in running engagement with the spacer block (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122008920.6U CN215554266U (en) | 2021-08-24 | 2021-08-24 | Frock clamp that compressor rotor blade was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122008920.6U CN215554266U (en) | 2021-08-24 | 2021-08-24 | Frock clamp that compressor rotor blade was used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215554266U true CN215554266U (en) | 2022-01-18 |
Family
ID=79841604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122008920.6U Active CN215554266U (en) | 2021-08-24 | 2021-08-24 | Frock clamp that compressor rotor blade was used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215554266U (en) |
-
2021
- 2021-08-24 CN CN202122008920.6U patent/CN215554266U/en active Active
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