CN210024591U - Be used for accurate C type spare to mill quick positioner - Google Patents
Be used for accurate C type spare to mill quick positioner Download PDFInfo
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- CN210024591U CN210024591U CN201920732434.9U CN201920732434U CN210024591U CN 210024591 U CN210024591 U CN 210024591U CN 201920732434 U CN201920732434 U CN 201920732434U CN 210024591 U CN210024591 U CN 210024591U
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Abstract
The utility model provides a milling and quick positioning device for precise C-shaped parts, which comprises a basic positioning plate and an integral pressing plate, wherein the basic positioning plate is provided with a circular sinking groove for mounting a part blank, the center of the circular sinking groove is provided with a threaded hole, and a first group of screw rods and nuts fix the part blank in the circular sinking groove of the basic positioning plate through a process hole and a threaded hole of the part blank; the base positioning plate is also provided with a pressure plate mounting hole and a guide rod mounting hole, and the guide rod is mounted on the guide rod mounting hole; the integral pressure plate is provided with a hole matched with the inner cavity of the part, the hole is positioned at the periphery of the integral pressure plate and is provided with a string cut matched with the C-shaped part, the lower part of the hole is provided with a step groove matched with the upper end surface of the part, the integral pressure plate is also provided with a mounting hole corresponding to a pressure plate mounting hole on the base positioning plate, and the integral pressure plate is connected with the base positioning plate by a second group of screw rods and nuts; the integral pressing plate is also provided with a guide hole corresponding to the guide rod; the base positioning plate is provided with a machine tool mounting hole which is connected and fastened with a machine tool workbench. The positioning device is suitable for batch milling positioning of C-shaped parts with high accuracy of external dimension.
Description
Technical Field
The utility model belongs to the technical field of machining process equipment. In particular to a milling and quick positioning device for a precise C-shaped part.
Background
The C-shaped part is a typical part in the mechanical field of automobiles and the like, such as a flap frame, a gasket and the like. The C-shaped part comprises an end face, an excircle, an inner hole, an opening and the like, is easy to deform during machining, and is difficult to ensure the dimensional accuracy. At present, a milling method is often adopted for machining a precise C-shaped part with the requirement on dimensional accuracy, a plurality of pressing plates are often adopted for pressing during milling, each part needs to be independently aligned during batch production, and the clamping and aligning time is long.
Disclosure of Invention
An object of the utility model is to provide a be used for accurate C type spare to mill quick positioner, solve and mill the problem that alignment clamping is long in batches, this quick positioner has characteristics such as the location is accurate, the clamping is quick, easy operation, range of application are wide.
The technical scheme of the utility model: the utility model discloses a mill quick positioner for accurate C type spare includes basic locating plate and whole clamp plate, has the circular heavy groove of part blank installation on its basic locating plate, and there is the screw hole in the center of circular heavy groove, and first group screw rod and nut are through the fabrication hole and the screw hole of part blank self with the part blank fix in the circular heavy groove of basic locating plate; the base positioning plate is also provided with a pressing plate mounting threaded hole and a guide rod mounting hole, and a guide rod is mounted on the guide rod mounting hole; the integral pressure plate is provided with a hole matched with the inner cavity of the part, the hole is positioned at the periphery of the integral pressure plate and is provided with a string cut matched with the C-shaped part, the lower part of the hole is provided with a step groove matched with the upper end surface of the part, the integral pressure plate is also provided with a press mounting through hole corresponding to a pressure plate mounting hole on the base positioning plate, and the integral pressure plate is connected with the base positioning plate by a second group of screw rods and nuts; the integral pressing plate is also provided with a guide hole corresponding to the guide rod; the base positioning plate is provided with a machine tool mounting hole which is connected and fastened with a machine tool workbench.
The depth of the circular sinking groove on the basic positioning plate is 1/3-1/2 of the thickness of the circular sinking groove; the depth of the step groove on the integral pressure plate is 1/4-1/3 of the I thickness.
The base positioning plate and the integral pressing plate are provided with four stations, namely the base positioning plate is provided with four circular sinking grooves, the integral pressing plate is provided with four shaped holes, and the four shaped holes are concentric with the four corresponding circular sinking grooves respectively; two guide rod mounting holes are formed and are positioned on the center lines of the base positioning plate and the integral pressing plate; four press plate mounting threaded holes and four press mounting through holes are formed, and the press plate mounting holes and the press mounting through holes are distributed on two sides of the base positioning plate and the whole press plate; four machine tool connecting holes are arranged on the basic positioning plate and are arranged at four corners of the basic positioning plate.
The integral pressing plate is provided with a step groove matched with the shape of a part, and the step groove is used for milling the step on the end face of the C-shaped part.
The utility model has the advantages that: the utility model discloses fully considered the technical requirement that accurate C type spare milled, adopted simple structure, location accuracy, the quick positioner of clamping, positioning accuracy can reach 0.02 mm. Therefore, the positioning device is suitable for batch milling positioning of C-shaped parts with high accuracy of external dimension.
The utility model discloses a design also considers milling of C type spare terminal surface step, can design the groove of stepping down that matches with C type spare position shape on whole clamp plate.
The utility model discloses be adapted to very much that high accuracy, jumbo size, many profiles, large batch opening semicircle C type spare mill quick positioning, have saved and have milled the clamping alignment time, have improved the uniformity and the production efficiency of product, and the comprehensive benefit of product improves greatly.
Drawings
Fig. 1 is a schematic top view of the present invention.
FIG. 2 is a schematic sectional view A-A of FIG. 1.
Fig. 3 is a front view of the basic positioning plate of the present invention.
Fig. 4 is a front view of the integral pressing plate of the present invention.
Fig. 5 is a schematic view of a part blank.
FIG. 6 is a front view of a part milling operation.
Detailed Description
Fig. 1 to 4 show an embodiment of the present invention:
the utility model discloses a mill quick positioner for accurate C type spare includes basic locating plate 1 and whole clamp plate 2, has the circular heavy groove 1a of part blank installation on its basic locating plate 1, and there is screw hole 1b in the center of circular heavy groove 1a, and first group screw rod 6 and first group nut 7 fix the part blank in the circular heavy groove 1a of basic locating plate 1 through the fabrication hole and the screw hole 1b of part blank self; the base positioning plate 1 is also provided with a pressure plate mounting hole 1c and a guide rod mounting hole 1d, and a guide rod 5 is mounted on the guide rod mounting hole 1 d; the integral pressing plate 2 is provided with a C-shaped hole 2a matched with the inner cavity of the part, the C-shaped hole 2a is positioned at the periphery of the integral pressing plate 2 and is provided with a string cut 2f matched with the C-shaped part, the lower part of the C-shaped hole 2a is provided with a C-shaped step groove 2b matched with the upper end surface of the part, the integral pressing plate 2 is also provided with a pressing through hole 2C corresponding to a pressing plate mounting hole 1C on the base positioning plate 1, and the integral pressing plate 2 is connected with the base positioning plate 1 by a second group of screw rods 3 and a second group of nuts 4; the integral pressing plate 2 is also provided with a guide hole 2d corresponding to the guide rod 5; the base positioning plate 1 is provided with a machine tool connecting hole 1e which is connected and fastened with a machine tool workbench.
The depth of the circular sinking groove 1a on the basic positioning plate 1 is 1/3-1/2 of the thickness of the base plate; the depth of the C-shaped step groove 2b on the integral pressure plate 2 is 1/4-1/3 of the I-thickness.
The base positioning plate 1 and the integral pressing plate 2 are provided with four stations, namely the base positioning plate 1 is provided with four circular sunken grooves 1a, the integral pressing plate 2 is provided with four C-shaped holes 2a, and the four C-shaped holes 2a are concentric with the corresponding four circular sunken grooves 1a respectively; two guide rod mounting holes 1d are formed, and the two guide rod mounting holes 1d are positioned on the center lines of the base positioning plate 1 and the integral pressing plate 2; four press plate mounting holes 1c and four press-fitting through holes 2c are arranged, and the press plate mounting holes 1c and the press-fitting through holes 2c are distributed on two sides of the base positioning plate 1 and the whole press plate 2; four machine tool connecting holes 1e are formed in the base positioning plate 1, and the four machine tool connecting holes 1e are arranged at four corners of the base positioning plate 1.
The C-shaped step groove 2b on the integral pressing plate 2 is provided with a yielding groove 2e matched with the shape of the part and used for milling the step on the end face of the C-shaped part.
The C-shaped step groove 2b is in small clearance fit with the part, so that the compression is more reliable, and the part gun is prevented from moving when the opening is milled; the C-shaped opening faces the outer side of the integral pressing plate, so that chips can be conveniently removed; one to a plurality of notches can be formed in the middle of the C-shaped step groove 2b to give way for processing the step on the end face of the C-shaped piece; the C-shaped step grooves 2b are positioned on a large plane below the integral pressing plate, and the C-shaped step grooves 2b are symmetrically distributed on the integral pressing plate to form 2 groups of stations-4 groups of stations.
Fig. 5 is a schematic view of a part blank, and fig. 6 is a front view of a part milling and forming. 9a is the part 9 end step.
When the positioning device is used, firstly, the base positioning plate 1 is connected and fastened with a machine tool workbench, then a part blank is placed into the circular sinking groove 1a of the base positioning plate 1, (1/3-1/2 of the part blank is positioned in the circular sinking groove 1a), the first group of screws 6 are inserted into the threaded holes 1b of the base positioning plate 1 through the fabrication holes 8a of the part blank 8, and the part is connected and fastened with the base positioning plate 1 through the nuts 7; repeatedly installing a plurality of parts at one time; then, a guide hole 2d of the integral pressing plate 2 is aligned with a guide pin 5 and placed on the upper surface of the part blank 8, the C-shaped step groove 2b is matched with the upper surface and the outer circle of the part blank, and the C-shaped step groove 2b is matched with the end face of the C-shaped part; and finally, the integral pressure plate 2 and the base positioning plate 1 are connected and fastened by a second group of screws 3 and nuts 4. The guide pin is used for guiding the whole pressing plate and the base mounting plate before connection.
During first processing, the position of the basic positioning plate 1 on a machine tool is aligned, then a milling cutter starts to lower from a string cut 2f of the integral pressure plate 2 and performs circumferential cutting motion along the edge of a C-shaped hole 2a, the internal shape of a C-shaped piece is processed, and the middle pressing part of the C-shaped piece is not processed; and performing end face cutting motion along the C-shaped abdicating groove to process an end face step of the C-shaped piece. During batch processing, the position of the tool is only required to be aligned for the first time, and alignment is not required in subsequent processing.
In addition to the above embodiments, the present invention has other embodiments. All the technical solutions adopting equivalent substitution or equivalent transformation forms are within the protection scope of the present invention.
The compression standard part comprises a screw and a nut and is used for connecting the C-shaped part with the base positioning plate and connecting the whole pressing plate with the base positioning plate.
Claims (4)
1. The utility model provides a be used for accurate C type spare to mill quick positioner, includes basic locating plate (1) and whole clamp plate (2), its characterized in that: a circular sinking groove (1a) for mounting a part blank is formed in the base positioning plate (1), a threaded hole (1b) is formed in the center of the circular sinking groove (1a), and the part blank is fixed in the circular sinking groove (1a) of the base positioning plate (1) through a fabrication hole and the threaded hole (1b) of the part blank by the first group of screw rods (6) and the first group of nuts (7); a pressure plate mounting hole (1c) and a guide rod mounting hole (1d) are formed in the base positioning plate (1), and a guide rod (5) is mounted in the guide rod mounting hole (1 d); the integral pressing plate (2) is provided with a C-shaped hole (2a) matched with an inner cavity of a part, the C-shaped hole (2a) is positioned at the periphery of the integral pressing plate (2) and is provided with a string notch (2f) matched with the C-shaped part, a C-shaped step groove (2b) matched with the upper end face of the part is arranged at the lower part of the C-shaped hole (2a), the integral pressing plate (2) is also provided with a pressing through hole (2C) corresponding to a pressing plate mounting hole (1C) on the base positioning plate (1), and the integral pressing plate (2) is connected with the base positioning plate (1) through a second group of screws (3) and a second group of nuts (4); the integral pressing plate (2) is also provided with a guide hole (2d) corresponding to the guide rod (5); the base positioning plate (1) is provided with a machine tool connecting hole (1e) which is connected and fastened with a machine tool workbench.
2. The milling quick positioning device for the precise C-shaped part according to claim 1, characterized in that: the depth of the circular sinking groove (1a) on the basic positioning plate (1) is 1/3-1/2 of the thickness of a workpiece; the depth of the C-shaped step groove (2b) on the integral pressure plate (2) is 1/4-1/3 of the thickness of the workpiece.
3. The milling quick positioning device for the precise C-shaped part according to claim 1 or 2, characterized in that: the base positioning plate (1) and the integral pressing plate (2) are provided with four stations, namely the base positioning plate (1) is provided with four circular sinking grooves (1a), the integral pressing plate (2) is provided with four C-shaped holes (2a), and the four C-shaped holes (2a) are concentric with the corresponding four circular sinking grooves (1a) respectively; two guide rod mounting holes (1d) are arranged, and the two guide rod mounting holes (1d) are positioned on the center lines of the base positioning plate (1) and the integral pressing plate (2); four pressure plate mounting holes (1c) and four press-fitting through holes (2c) are arranged, and the pressure plate mounting holes (1c) and the press-fitting through holes (2c) are distributed on two sides of the base positioning plate (1) and the integral pressure plate (2); four machine tool connecting holes (1e) are formed in the basic positioning plate (1), and the four machine tool connecting holes (1e) are arranged at four corners of the basic positioning plate (1).
4. The milling quick positioning device for the precise C-shaped part according to claim 1 or 2, characterized in that: the C-shaped step groove (2b) on the integral pressing plate (2) is provided with a yielding groove (2e) matched with the shape of the part, and the yielding groove is used for milling the step on the end face of the C-shaped part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920732434.9U CN210024591U (en) | 2019-05-21 | 2019-05-21 | Be used for accurate C type spare to mill quick positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920732434.9U CN210024591U (en) | 2019-05-21 | 2019-05-21 | Be used for accurate C type spare to mill quick positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210024591U true CN210024591U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920732434.9U Active CN210024591U (en) | 2019-05-21 | 2019-05-21 | Be used for accurate C type spare to mill quick positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210024591U (en) |
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2019
- 2019-05-21 CN CN201920732434.9U patent/CN210024591U/en active Active
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