CN218397049U - Automatic centering boring fixture for earring parts - Google Patents
Automatic centering boring fixture for earring parts Download PDFInfo
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- CN218397049U CN218397049U CN202222675316.3U CN202222675316U CN218397049U CN 218397049 U CN218397049 U CN 218397049U CN 202222675316 U CN202222675316 U CN 202222675316U CN 218397049 U CN218397049 U CN 218397049U
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- zigzag
- positioning block
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Abstract
The utility model belongs to the technical field of aviation earring class parts machining, a earring class part automatic centering bore hole anchor clamps is related to. Mainly comprises centering saw-tooth-shaped clamping pieces, an auxiliary support, a precise screw rod, an adjustable positioning block, an adjustable bolt and the like; the utility model discloses an adjustable orientation module, zigzag press from both sides tight piece and can adapt to auricle hole size to through interchangeable terminal surface orientation module, realize the processing of different hole site sizes, loosen through zigzag press from both sides tight piece, press from both sides tightly, realize the quick repacking of part, accomplish one set of frock and can process the part that auricle hole size is different, guarantee that the product is high-efficient, high quality processing.
Description
Technical Field
The utility model belongs to the technical field of aviation earring class parts machining, a earring class part automatic centering bore hole anchor clamps is related to.
Background
The earring parts are applied more in various pull rod assemblies and actuator cylinder assemblies, the sizes of the earring parts are different according to different loads and working conditions, but the earring parts are similar in structure, holes in the earrings are the most important characteristics, mainly a bearing is mounted, and the requirements on size precision and surface quality are high. In order to meet the positioning requirements of different earring hole site sizes, different clamps need to be designed for processing in the past, a plurality of workpieces are processed by adopting combined clamps, different mandrels need to be self-manufactured for center alignment according to different earring hole sizes, the processing efficiency is low, and the clamps are often heavy.
The traditional method for boring and clamping the hole of the earring part comprises the following steps: the earring parts are placed on a basic disc with guide holes, a mandrel penetrates through the holes of the earring parts to align the centers, a pressure plate is used for pressing the positioning surfaces of the earring, the positioning mandrel is drawn out, and then boring processing can be carried out on the workpieces. A set of basic disc and mandrel are additionally designed for processing earring parts with different sizes.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatic centering bore hole anchor clamps of earrings class part can adapt to auricle hole size through adjustable orientation module, the tight piece of zigzag clamp to through interchangeable terminal surface orientation module, realize the processing of different hole site sizes, loosen, press from both sides tightly through the tight piece of zigzag clamp, realize the quick repacking of part, accomplish one set of frock can process the part that auricle hole size is different, guarantee that the product is high-efficient, high quality processing.
The technical scheme of the utility model is that:
an earring class part self-centering bore hole anchor clamps includes: the device comprises a base 1, a base 2, a centering sawtooth-shaped clamping piece 3, an auxiliary support 4, a positioning pin 5, a screw 6, a precision screw 7, an adjustable positioning block 8 and an adjustable bolt 9.
The base seat 1 is arranged on a main shaft of a numerical control lathe or lathe and provides a stable base for part processing; the base 2 is accurately positioned and fixed on the base 1 through a positioning pin 5 and a screw 6; the two centering zigzag clamping pieces 3 are arranged on the base 2 through dovetail grooves of the base 2, and play a role in clamping a workpiece and ensuring the stability of the workpiece; the precise screw 7 penetrates through the whole clamp, and the centering zigzag clamping piece 3 is changed by the rotation of the precise screw, so that the tightness of the centering zigzag clamping piece 3 is ensured; the auxiliary support 4 is fixed on the base 2 through a screw 6, and plays a role in auxiliary support and rigidity enhancement on the precise screw 7; the adjustable positioning block 8 is connected with the base 2 through a guide rail of the base 2, and the adjustable bolt 9 penetrates through the adjustable positioning block 8 to be connected with the adjustable positioning block.
Furthermore, the adjustable positioning block 8 is adjusted to a required position by the adjustable bolt 9, so that the position correctness of the workpiece hole is ensured.
Further, the precise screw 7 rotates to enable the centering zigzag clamping piece 3 to change, so that centering clamping is exerted on the workpiece, and sufficient clamping force is exerted on the workpiece through the zigzag lines of the centering zigzag clamping piece 3 to ensure that the workpiece is stable and reliable.
The utility model discloses the advantage:
(1) The centering saw-tooth-shaped clamping piece can ensure the centering clamping function of the workpiece, and can actually have larger clamping force without pressing by a pressing plate, so that the clamp is simpler and more compact;
(2) The adjustable positioning block is adopted, the requirements of different hole site sizes of different earring parts can be met by adjusting the position of the positioning block, and the universality is high;
(3) The fixture can be used as a boring fixture and a fixture for drilling and reaming, realizes the one-time finishing of drilling, reaming and boring of parts, and improves the production efficiency.
Drawings
Fig. 1 is a front view of the automatic centering boring fixture for ear ring parts of the present invention.
Fig. 2 is a three-dimensional axial view of the self-centering boring jig for earring parts according to the present invention.
In the figure: 1 a base seat; 2, a base; 3 centering the sawtooth-shaped clamping sheet; 4, an auxiliary support; 5, positioning pins; 6, a screw; 7, a precision lead screw; 8, adjustable positioning blocks; 9 adjustable bolt.
Detailed Description
The following describes in detail specific embodiments of the present invention with reference to the accompanying drawings and technical solutions.
The utility model discloses specific embodiment and step are as follows:
(1) The whole tool is clamped on a main shaft of a numerical control lathe or a lathe, at the moment, a base 2 is accurately positioned and fixed on a base 1 by a positioning pin 5 and a screw 6, two centering zigzag clamping pieces 3 are arranged on the base 2 through dovetail grooves of the base 2, the centering zigzag clamping pieces 3 are clamped and loosened by using a precision lead screw 7, an auxiliary support 4 is fixed on the base 2 by the screw 6, and the functions of auxiliary support and rigidity enhancement are realized on the precision lead screw 7; the adjustable positioning block 8 is connected with the base 2 through a guide rail of the base 2, the adjustable bolt 9 is adjusted, and then the position of the adjustable positioning block 8 is adjusted to ensure the position correctness of the workpiece hole;
(2) The workpiece is arranged on a clamp, an adjustable positioning block 8 is adjusted to a required position in advance through an adjustable bolt 9 according to the positioning size of a workpiece hole, then the centering sawtooth-shaped clamping piece 3 applies centering clamping on the workpiece through the rotation of a precise screw 7, and enough clamping force is applied on the workpiece through the sawtooth patterns of the centering sawtooth-shaped clamping piece 3 during clamping to ensure that the workpiece is stable and reliable;
(3) At the moment, the machine tool is started, the boring processing of the workpiece is completed by operations such as cutter feeding and the like, the centering sawtooth-shaped clamping piece 3 is loosened by rotating the precision lead screw 7 after the processing is completed, and the workpiece is taken out;
(4) And (4) reinstalling the next processed earring workpiece, wherein the installation process refers to the items (2) to (3).
Claims (3)
1. The utility model provides an automatic centering bore hole anchor clamps of earrings class part which characterized in that: comprises a base (1), a base (2), a centering saw-tooth-shaped clamping sheet (3), an auxiliary support (4), a positioning pin (5), a screw (6), a precise screw rod (7), an adjustable positioning block (8) and an adjustable bolt (9);
the base seat (1) is arranged on a main shaft of a numerical control lathe or lathe, and provides a stable base for part processing;
the base (2) is accurately positioned and fixed on the base (1) through a positioning pin (5) and a screw (6);
the two centering zigzag clamping pieces (3) are arranged on the base (2) through dovetail grooves of the base (2) and play a role in clamping workpieces and ensuring the workpieces to be stable;
the precise screw rod (7) penetrates through the whole clamp, and the centering zigzag clamping piece (3) is changed by the rotation of the precise screw rod, so that the tightness of the centering zigzag clamping piece (3) is ensured;
the auxiliary support (4) is fixed on the base (2) through a screw (6) and plays a role in auxiliary support and rigidity enhancement on the precision screw rod (7);
the adjustable positioning block (8) is connected with the base (2) through a guide rail of the base (2), and the adjustable bolt (9) penetrates through the adjustable positioning block (8) to be connected with the adjustable positioning block.
2. The automatic centering boring fixture for earring parts according to claim 1, characterized in that: the adjustable bolt (9) adjusts the adjustable positioning block (8) to a required position, and the position correctness of the workpiece hole is ensured.
3. The self-centering boring fixture for earring parts as claimed in claim 1 or 2, wherein: the precise screw rod (7) rotates to enable the centering zigzag clamping piece (3) to change, so that centering clamping is applied to the workpiece, and sufficient clamping force is applied to the workpiece through the zigzag lines of the centering zigzag clamping piece (3) to ensure that the workpiece is stable and reliable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222675316.3U CN218397049U (en) | 2022-10-12 | 2022-10-12 | Automatic centering boring fixture for earring parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222675316.3U CN218397049U (en) | 2022-10-12 | 2022-10-12 | Automatic centering boring fixture for earring parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218397049U true CN218397049U (en) | 2023-01-31 |
Family
ID=85001711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222675316.3U Active CN218397049U (en) | 2022-10-12 | 2022-10-12 | Automatic centering boring fixture for earring parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218397049U (en) |
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2022
- 2022-10-12 CN CN202222675316.3U patent/CN218397049U/en active Active
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