CN211387862U - Positioning and clamping device for special-shaped outer circle workpiece of numerical control machine tool - Google Patents
Positioning and clamping device for special-shaped outer circle workpiece of numerical control machine tool Download PDFInfo
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- CN211387862U CN211387862U CN202020008520.8U CN202020008520U CN211387862U CN 211387862 U CN211387862 U CN 211387862U CN 202020008520 U CN202020008520 U CN 202020008520U CN 211387862 U CN211387862 U CN 211387862U
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Abstract
The utility model discloses a positioning and clamping device for a special-shaped excircle workpiece of a numerical control machine tool, which comprises a positioning sleeve, a cover plate, a bridge plate, a main shaft connecting disc, a main positioning rod, a positioning live center, a clapboard, a positioning plate, a fixing sleeve and a plurality of balance fine adjustment mechanisms; the cover plate is arranged at an opening at the upper end of the positioning sleeve; the bridge plate is arranged at the lower end opening of the positioning sleeve; the main shaft connecting disc is embedded at the lower end of the gap bridge plate; the top end face of the main positioning rod is downwards provided with a live center mounting groove; the partition plate and the positioning plate are sleeved on the main positioning rod in a one-to-one mode; a plurality of balance fine-tuning are respectively arranged between the clapboard and the positioning plate, and each balance fine-tuning comprises a spring and a gasket. The utility model discloses a positioning and clamping device for digit control machine tool dysmorphism excircle work piece can provide accurate fine setting oneself and revise the planar gradient of location at the clamping in-process, can realize quick alignment, accurate location and the accurate clamping of work piece.
Description
Technical Field
The utility model relates to a positioning and clamping device for digit control machine tool dysmorphism excircle work piece.
Background
In the machining process, the outer circle of the shaft part is jumped during machining and the part is clamped improperly due to the inclination of the positioning surface, so that the generated machining error is controlled to be very important, and especially for the parts with complex structures and high size requirements at the clamping position, the accurate clamping in quick alignment and accurate positioning is the premise of improving the machining efficiency and ensuring the machining quality.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's defect, providing a positioning and clamping device for digit control machine tool dysmorphism excircle work piece, can provide accurate fine setting oneself and revise the planar gradient of location at the clamping in-process, can realize quick alignment, accurate location and the accurate clamping of work piece.
The technical scheme for realizing the purpose is as follows: a positioning and clamping device for a special-shaped excircle workpiece of a numerical control machine tool comprises a positioning sleeve, a cover plate, a bridge plate, a main shaft connecting disc, a main positioning rod, a positioning live center, a partition plate, a positioning plate, a fixing sleeve and a plurality of balance fine adjustment mechanisms; wherein:
the cover plate is arranged at an opening at the upper end of the positioning sleeve, and a workpiece mounting opening which is communicated up and down is formed in the cover plate;
the bridge plate is arranged at the lower end opening of the positioning sleeve;
the spindle connecting disc is embedded at the lower end of the gap bridge plate;
through holes which are communicated up and down are respectively formed in the middle of the main shaft connecting disc and the middle of the gap bridge plate, and the through holes of the main shaft connecting disc are communicated with the through holes of the gap bridge plate to form main positioning rod mounting holes;
the main positioning rod penetrates through the main positioning rod mounting hole and then is inserted into the positioning sleeve;
the top end face of the main positioning rod is downwards provided with a live center mounting groove;
the positioning live center comprises a top tip part and a rod body part which are coaxially arranged from top to bottom in sequence, and the top tip part of the positioning live center is connected with the rod body part through a fastening screw; the rod body part of the positioning live center is inserted into the live center mounting groove, a pressure regulating spring is mounted in the rod body part of the positioning live center, and the bottom end of the pressure regulating spring is in contact with the bottom of the live center mounting groove; the apical part of the positioning live center extends out of the workpiece mounting opening of the cover plate;
the bottom end of the main shaft connecting disc is provided with a plurality of auxiliary rotating positioning rods which are arranged along the same circumference;
the partition plate and the positioning plate are sleeved on the main positioning rod in a one-to-one mode, and the partition plate and the positioning plate are respectively positioned in the positioning sleeve;
the fixing sleeve is arranged between the partition plate and the positioning plate;
the balance fine adjustment mechanisms are arranged between the partition plate and the positioning plate respectively, the balance fine adjustment mechanisms are arranged along the same circumference, each balance fine adjustment mechanism comprises a spring and a gasket, the bottom end of each spring is connected with the positioning plate, the bottom end of each gasket is connected with the top end of each spring, and the top end of each gasket is in contact with the partition plate.
The positioning and clamping device for the special-shaped excircle workpiece of the numerical control machine tool is characterized in that the gap bridge plate is fixed at the lower end opening of the positioning sleeve through a plurality of screws.
The positioning and clamping device for the special-shaped outer circle workpiece of the numerical control machine tool is characterized in that a plurality of grooves which are sunken outwards are uniformly distributed on the wall surface of the workpiece mounting opening of the cover plate.
The positioning and clamping device for the special-shaped outer circle workpiece of the numerical control machine tool is characterized in that the gasket is a T-shaped gasket, the gasket is composed of a transverse part and a vertical part arranged at the top end of the transverse part, and the transverse part of the gasket is connected with the top end of the spring; the top end of the vertical portion of the gasket is in contact with the separator.
The utility model discloses a positioning and clamping device for digit control machine tool dysmorphism excircle work piece can provide accurate fine setting oneself and revise the planar gradient of location at the clamping in-process, can realize quick alignment, accurate location and the accurate clamping of work piece.
Drawings
FIG. 1 is a three-dimensional structure diagram of the positioning and clamping device for the special-shaped outer circle workpiece of the numerical control machine tool of the present invention;
FIG. 2 is a top view of the positioning and clamping device for the special-shaped outer circle workpiece of the numerical control machine tool according to the present invention;
fig. 3 is the utility model discloses a positioning and clamping device's cross-sectional view for digit control machine tool dysmorphism excircle work piece.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following detailed description is provided with reference to the accompanying drawings:
referring to fig. 1, 2 and 3, the best embodiment of the present invention is a positioning and clamping device for a special-shaped outer circle workpiece of a numerical control machine, which comprises a positioning sleeve 9, a cover plate 2, a bridge plate 8, a main shaft connecting plate 1, a main positioning rod 10, a positioning live center 6, a partition plate 13, a positioning plate 3, a fixing sleeve 12 and a plurality of balance fine-tuning mechanisms 11.
The cover plate 2 is arranged at an opening at the upper end of the positioning sleeve 9, a workpiece mounting opening which is communicated up and down is formed in the cover plate 2, and a plurality of grooves 21 which are sunken outwards are uniformly distributed on the wall surface of the workpiece mounting opening; the bridge plate 8 is fixed at the lower end opening of the positioning sleeve 9 through a plurality of screws 81; the main shaft connecting disc 1 is embedded at the lower end of the gap bridge plate 8; through holes which are communicated up and down are respectively formed in the middle of the main shaft connecting disc 1 and the middle of the gap bridge plate 8, and the through holes of the main shaft connecting disc 1 are communicated with the through holes of the gap bridge plate 8 to form a main positioning rod mounting hole; the main positioning rod 10 passes through the main positioning rod mounting hole and then is inserted into the positioning sleeve 9.
The top end face of the main positioning rod 10 is downwards provided with a live center mounting groove; the positioning live center 6 comprises a top tip part and a rod body part which are coaxially arranged from top to bottom in sequence, and the top tip part of the positioning live center 6 is connected with the rod body part through a fastening screw 62; the rod body part of the positioning live center 6 is inserted into the live center mounting groove, a pressure regulating spring 61 is mounted in the rod body part of the positioning live center 6, and the bottom end of the pressure regulating spring 61 is in contact with the bottom of the live center mounting groove; the top tip part of the positioning live center 6 extends out of the workpiece mounting opening of the cover plate 2.
The bottom of main shaft connection pad 1 is provided with a plurality of auxiliary rotation locating levers 4, and a plurality of auxiliary rotation locating levers 4 set up along same circumference.
The partition plate 13 and the positioning plate 3 are sleeved on the main positioning rod 10 one above the other, the partition plate 13 and the positioning plate 3 are respectively positioned in the positioning sleeve 9, and the positioning plate 3 is fixed with the main positioning rod 10.
The fixing sleeve 12 is arranged between the partition plate 13 and the positioning plate 3.
A plurality of balance fine-tuning 11 set up respectively between baffle 13 and locating plate 3, and a plurality of balance fine-tuning set up along same circumference, and every balance fine-tuning 11 all includes spring and packing ring, and the bottom of spring links to each other with locating plate 3, and the bottom of packing ring links to each other with the top of spring, and the top and the baffle 13 contact of packing ring. For example, the gasket can be a T-shaped gasket, the gasket is composed of a transverse part and a vertical part arranged at the top end of the transverse part, and the transverse part of the gasket is connected with the top end of the spring; the top end of the vertical portion of the gasket is in contact with the partition plate 13.
The utility model discloses a positioning and clamping device for digit control machine tool dysmorphism excircle work piece, when using, whole positioning and clamping device transversely sets up, fix whole positioning and clamping device on the digit control lathe through main shaft connection pad 1, be connected to the digit control lathe pull rod through main locating lever 10, thereby drive the reciprocating motion of the internal mechanism of whole positioning and clamping device by taking the hydro-cylinder up-and-down motion in the digit control lathe, auxiliary rotating positioning rod 4 is used for realizing the special-shaped part rotational positioning, the work piece 15 of treating processing inserts the work piece installing port of apron 2 and installs on location live center 6, and contact with baffle 13, baffle 13 constitutes the locating plane, from taking hydro-cylinder up-and-down motion in the digit control lathe, drive main locating lever 10 reciprocating motion, main locating lever 10 drives locating plate 3 and location live center 6 reciprocating motion; and then drive the work piece 15 reciprocating motion of treating processing, fixed cover 12 is used for confirming the locating plane's of baffle 13 precision, and balanced fine-tuning 11 mainly used adjusts the inclination of part location clamping fixed point and the locating plane of precision adjustment baffle 13, and location live center 6 can carry out assistance-localization real-time to work piece 15, makes work piece 15 location more accurate.
To sum up, the utility model discloses a positioning and clamping device for digit control machine tool dysmorphism excircle work piece can provide the gradient that accurate fine setting oneself revises the locating plane at the clamping in-process, can realize quick alignment, accurate location and the accurate clamping of work piece.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (4)
1. A positioning and clamping device for a special-shaped excircle workpiece of a numerical control machine tool is characterized by comprising a positioning sleeve, a cover plate, a bridge plate, a main shaft connecting disc, a main positioning rod, a positioning live center, a partition plate, a positioning plate, a fixing sleeve and a plurality of balance fine adjustment mechanisms; wherein:
the cover plate is arranged at an opening at the upper end of the positioning sleeve, and a workpiece mounting opening which is communicated up and down is formed in the cover plate;
the bridge plate is arranged at the lower end opening of the positioning sleeve;
the spindle connecting disc is embedded at the lower end of the gap bridge plate;
through holes which are communicated up and down are respectively formed in the middle of the main shaft connecting disc and the middle of the gap bridge plate, and the through holes of the main shaft connecting disc are communicated with the through holes of the gap bridge plate to form main positioning rod mounting holes;
the main positioning rod penetrates through the main positioning rod mounting hole and then is inserted into the positioning sleeve;
the top end face of the main positioning rod is downwards provided with a live center mounting groove;
the positioning live center comprises a top tip part and a rod body part which are coaxially arranged from top to bottom in sequence, and the top tip part of the positioning live center is connected with the rod body part through a fastening screw; the rod body part of the positioning live center is inserted into the live center mounting groove, a pressure regulating spring is mounted in the rod body part of the positioning live center, and the bottom end of the pressure regulating spring is in contact with the bottom of the live center mounting groove; the apical part of the positioning live center extends out of the workpiece mounting opening of the cover plate;
the bottom end of the main shaft connecting disc is provided with a plurality of auxiliary rotating positioning rods which are arranged along the same circumference;
the partition plate and the positioning plate are sleeved on the main positioning rod in a one-to-one mode, and the partition plate and the positioning plate are respectively positioned in the positioning sleeve;
the fixing sleeve is arranged between the partition plate and the positioning plate;
the balance fine adjustment mechanisms are arranged between the partition plate and the positioning plate respectively, the balance fine adjustment mechanisms are arranged along the same circumference, each balance fine adjustment mechanism comprises a spring and a gasket, the bottom end of each spring is connected with the positioning plate, the bottom end of each gasket is connected with the top end of each spring, and the top end of each gasket is in contact with the partition plate.
2. The positioning and clamping device for the special-shaped outer circle workpiece of the numerical control machine tool as claimed in claim 1, wherein the bridge plate is fixed at the lower end opening of the positioning sleeve by a plurality of screws.
3. The positioning and clamping device for the special-shaped outer circle workpiece of the numerical control machine tool according to claim 1, wherein a plurality of grooves which are recessed outwards are uniformly distributed on the wall surface of the workpiece mounting opening of the cover plate.
4. The positioning and clamping device for the special-shaped outer circle workpiece of the numerical control machine tool is characterized in that a T-shaped washer is adopted as the washer, the washer is composed of a transverse part and a vertical part arranged at the top end of the transverse part, and the transverse part of the washer is connected with the top end of the spring; the top end of the vertical portion of the gasket is in contact with the separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020008520.8U CN211387862U (en) | 2020-01-03 | 2020-01-03 | Positioning and clamping device for special-shaped outer circle workpiece of numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020008520.8U CN211387862U (en) | 2020-01-03 | 2020-01-03 | Positioning and clamping device for special-shaped outer circle workpiece of numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211387862U true CN211387862U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020008520.8U Active CN211387862U (en) | 2020-01-03 | 2020-01-03 | Positioning and clamping device for special-shaped outer circle workpiece of numerical control machine tool |
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| CN (1) | CN211387862U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113752048A (en) * | 2021-08-20 | 2021-12-07 | 上海大学 | Dynamic balance adjusting tool for processing special-shaped parts |
-
2020
- 2020-01-03 CN CN202020008520.8U patent/CN211387862U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113752048A (en) * | 2021-08-20 | 2021-12-07 | 上海大学 | Dynamic balance adjusting tool for processing special-shaped parts |
| CN113752048B (en) * | 2021-08-20 | 2022-06-28 | 上海大学 | Dynamic balance adjusting tool for processing special-shaped parts |
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Address after: Jiading District Xuhang town 201808 Shanghai city a new road No. 2288 Patentee after: Shanghai Feihua Industrial Co.,Ltd. Address before: Jiading District Xuhang town 201808 Shanghai city a new road No. 2288 Patentee before: SHANGHAI FEIHUA AUTOPARTS Corp. |