CN108942411B - 3D edge finder based on ball joint universal joint - Google Patents
3D edge finder based on ball joint universal joint Download PDFInfo
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- CN108942411B CN108942411B CN201810757325.2A CN201810757325A CN108942411B CN 108942411 B CN108942411 B CN 108942411B CN 201810757325 A CN201810757325 A CN 201810757325A CN 108942411 B CN108942411 B CN 108942411B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
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Abstract
The invention discloses a 3D edge finder based on a ball head universal joint, which comprises an upper top cover, upper and lower floating plates, an adjusting measuring head, a concave spherical part, a return spring, a ball head locking block, a measuring head, a dial indicator and a main body bottom plate, wherein the upper top cover is connected with the upper and lower floating plates; the inner adjusting measuring head is positioned below the upper floating plate and the lower floating plate, and the side surface of the inner adjusting measuring head is also provided with an upward pushing reset spring; the outer side of the concave spherical part is provided with a convex ball head locking block and a concave ball head locking block, the lower end of the concave spherical part is connected with a swing reset spring, the side face of the swing reset spring is provided with a guide rod, and a ball head rod and a measuring head are further arranged below the main body bottom plate. The invention breaks through the limitation that the traditional edge finder can only be used on a transverse machine, realizes the approach to a workpiece from any direction, has high tool setting precision, low error rate, simple structure and low manufacturing cost, and is beneficial to wide popularization in the market.
Description
Technical Field
The invention belongs to the field of machining, and particularly relates to a 3D edge finder based on a ball joint universal joint.
Background
The numerical control machining is a machining method for controlling the displacement of parts and cutters by using digital information, and can effectively solve the problems of variable part varieties, small batch, complex shape, high precision and the like and realize high-efficiency and automatic machining, and the most important of the numerical control machining process is the control of the accuracy of cutter setting. At present, most of tool setting processes in factories are operated by bare hands of workers, and the bare-handed tool setting has great influence on the precision of a workpiece, and is easy to generate errors on the machining and manufacturing of the workpiece. Therefore, an edge finder which is simple and practical, has low price and can improve the tool setting precision is urgently needed to be researched and developed.
Disclosure of Invention
The invention aims to provide a 3D edge finder based on a ball joint universal joint, aiming at the problems that the tool setting is not accurate in the current numerical control machining process, the machined workpiece has errors and the like.
The invention is realized by the following technical scheme:
A3D edge finder based on a ball head universal joint comprises an upper top cover, upper and lower floating plates, an inner adjusting measuring head, a concave spherical part, a swing reset spring, a dial indicator and a main body bottom plate, wherein the upper top cover is connected with the upper and lower floating plates; the inner adjusting measuring head is positioned below the upper floating plate and the lower floating plate, one end of the inner adjusting measuring head is connected with the lower ends of the upper floating plate and the lower floating plate, the other end of the inner adjusting measuring head is connected with the concave spherical part, and the side surface of the inner adjusting measuring head is also provided with an upward-pushing reset spring; the outer side of the concave spherical part is provided with a ball head convex locking block and a ball head concave locking block, the ball head convex locking block is connected with the ball head concave locking block, the lower end of the concave spherical part is connected with a swing reset spring, the side surface of the swing reset spring is provided with a guide rod, the bottom end of the guide rod is connected with a main body bottom plate, and the top end of the guide rod is connected with the ball head concave locking block; a ball head rod and a measuring head are further arranged below the main body bottom plate, one end of the ball head rod is connected with the swing reset spring, and the other end of the ball head rod is connected with the measuring head. The side head can approach the workpiece from any direction (X-, Y-, Z-axis), when the dial is zero, the axis of the main shaft is accurately superposed with the edge of the workpiece, so that the edge can be found without testing, and the central position of the workpiece can be found and the length measurement can be carried out by touching the measuring head on a plurality of edge points of the workpiece in the testing process.
According to a further improved scheme of the invention, the upper top cover and the upper and lower floating plates are of a square structure, the upper top cover is connected with the upper and lower floating plates through threads, a bolt is arranged at the center of the lower surface of the upper top cover, and internal threads matched with the bolt are arranged at the positions of the upper and lower floating plates corresponding to the bolt.
According to a further improved scheme of the invention, four downward pressing reset springs are arranged and uniformly arranged along four corners of the square upper and lower floating plates, and the other ends of the downward pressing reset springs are fixedly connected with the upper top cover.
According to a further improved scheme of the invention, the concave spherical part comprises a concave surface structure and a sphere, and the concave surface structure is connected with the sphere through threads; the convex part below the concave surface structure is provided with an external thread, the upper end of the ball body is of a hollow structure, an internal thread is arranged inside the ball body, and the external thread is matched with the internal thread.
According to a further improved scheme of the invention, a ball head convex locking block and a ball head concave locking block are arranged on the outer side of a ball body of the concave spherical part; the ball head concave locking block consists of two identical cuboids, and one surface of each cuboid is a concave surface; when the ball head convex locking block is fixedly connected with the ball head concave locking block, the concave surface is combined to form a hollow spherical structure, and a ball body of the concave spherical part can be embedded into the formed hollow spherical structure.
According to a further improved scheme of the invention, the main body bottom plate is of a square structure, and 4 slotted holes are formed in the upper surface of the main body bottom plate and are uniformly distributed along four corners of the main body bottom plate.
According to a further improved scheme of the invention, the number of the guide rods is 4, one end of each guide rod is fixedly connected with the main body bottom plate through a slotted hole, and the other end of each guide rod is correspondingly connected with the lower surface of the ball head concave locking block.
In a further improvement of the present invention, the ball-end rod is connected to the measuring head by a screw thread.
Compared with the prior art, the invention has the following advantages:
according to the 3D edge finder based on the ball head universal joint, the limitation that the traditional edge finder can be used only on a transverse machine is broken through by arranging the spring, the adjustable gauge head, the measuring head, the ball head concave locking block, the ball head convex locking block, the guide rod and other basic elements, the straightness can be corrected, the 3D edge finder has the advantages of being capable of being used on the transverse machine and a longitudinal machine, being capable of approaching to a workpiece from any direction, and enabling the tool setting process to be more intelligent in a UG tool path compiling method; the 3D edge finder can effectively solve the problems of variable part varieties, small batch, complex shape, high precision and the like, and realizes efficient and automatic processing; the tool setting precision is high, the error rate is low, and the performance is excellent; simple structure, low manufacturing cost and correspondingly low selling price, thereby being beneficial to wide popularization in the market.
Drawings
FIG. 1 is a schematic view of the internal mechanism of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a front cross-sectional view of the present invention.
Fig. 4 is a working state diagram of the mechanism of the invention.
Fig. 5 is a schematic view of the connection of the inner adjusting probe, the concave spherical part, the ball rod and the probe according to the present invention.
Fig. 6 is a partially enlarged view of the upper head cover and the upper and lower floating plates according to the present invention.
The number in the figure is 1-top cover, 2-press return spring, 3-up and down floating plate, 4-inner adjustable gauge head, 5-inner adjustable side head, 6-concave spherical part, 7-push-up return spring, 8-bulb convex locking block, 9-bulb concave locking block, 10-main body bottom plate, 11-swing return spring, 12-bulb rod, 13-measuring head, 14-dial indicator, 15-guide rod, 16-concave structure, 17-sphere and 18-bolt.
Detailed Description
The invention is further described below with reference to the accompanying drawings and examples.
Referring to fig. 1-6, the 3D edge finder based on the ball joint universal joint comprises an upper top cover 1, upper and lower floating plates 3, an inner adjusting measuring head 5, a concave spherical part 6, a swing reset spring 11, a dial indicator 14 and a main body bottom plate 10, wherein the upper top cover 1 is connected with the upper and lower floating plates 3, a lower reset spring 2 and an inner adjustable gauge head 4 are further arranged between the upper top cover 1 and the upper and lower floating plates 3, one end of the inner adjustable gauge head 4 is connected with the upper and lower floating plates 3, and the other end of the inner adjustable gauge head is connected with the dial indicator 14; the inner adjusting measuring head 5 is positioned below the upper floating plate and the lower floating plate 3, one end of the inner adjusting measuring head is connected with the lower end of the upper floating plate and the lower floating plate 3, the other end of the inner adjusting measuring head is connected with the concave spherical part 6, and the side surface of the inner adjusting measuring head 5 is also provided with an upward-pushing reset spring 7; a ball head convex locking block 8 and a ball head concave locking block 9 are arranged on the outer side of the concave spherical part 6, the ball head convex locking block 8 is connected with the ball head concave locking block 9, the lower end of the concave spherical part 6 is connected with a swing reset spring 11, a guide rod 15 is arranged on the side face of the swing reset spring 11, the bottom end of the guide rod 15 is connected with a main body bottom plate 10, and the top end of the guide rod is connected with the ball head concave locking block 9; a ball head rod 12 and a measuring head 13 are further arranged below the main body bottom plate 10, one end of the ball head rod 12 is connected with the swing return spring 11, and the other end of the ball head rod is connected with the measuring head 13.
In this embodiment, the upper top cover 1 and the upper and lower floating plates 3 are of a square structure, the upper top cover 1 is connected with the upper and lower floating plates 3 through threads, a bolt 18 is arranged at the center of the lower surface of the upper top cover 1, and internal threads matched with the bolt 18 are arranged at the positions of the upper and lower floating plates 3 corresponding to the bolt 18.
In this embodiment, the four pressing return springs 2 are uniformly arranged along four corners of the square upper and lower floating plates 3, and the other ends of the pressing return springs 2 are fixedly connected with the upper top cover 1.
In this embodiment, the concave spherical part 6 comprises a concave structure 16 and a sphere 17, and the concave structure 16 is connected with the sphere 17 through a thread; the convex part below the concave structure 16 is provided with an external thread, the upper end of the ball body 17 is of a hollow structure, an internal thread is arranged inside the ball body, and the external thread is matched with the internal thread.
In this embodiment, a ball head convex locking block 8 and a ball head concave locking block 9 are arranged on the outer side of a ball body 17 of the concave spherical part 6; the ball head concave locking block 9 consists of two identical cuboids, and one surface of each cuboid is a concave surface; when the ball head convex locking block 8 is fixedly connected with the ball head concave locking block 9, the concave surfaces are combined to form a hollow spherical structure, and the ball body 17 of the concave spherical part 6 can be embedded into the formed hollow spherical structure.
In this embodiment, the main body bottom plate 10 is a square structure, and the upper surface of the main body bottom plate 10 is provided with 4 slots uniformly distributed along four corners of the main body bottom plate 10.
In this embodiment, there are 4 guide rods 15, one end of each guide rod 15 is fixedly connected to the main body bottom plate 10 through a slotted hole, and the other end of each guide rod 15 is correspondingly connected to the lower surface of the ball head female lock block 9.
In this embodiment, the ball 12 and the measuring head 13 are connected by a screw.
The specific working process is as follows: referring to fig. 4, the measuring head 13 swings when contacting the workpiece, the ball head rod 12 is driven to swing, the return spring 11 deforms to a certain extent, so that the concave spherical part 6 and the inner adjusting measuring head 5 are driven to perform inner and outer arc matching deflection motion respectively, the return spring 7 is pushed upwards to perform stretching motion, the upper floating plate 3 and the lower floating plate 3 are pushed upwards, the inner adjustable gauge head 4 is driven to move, data are fed back to the dial indicator 14, and reading can be performed from the dial indicator.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (8)
1. The utility model provides a seek limit ware based on 3D of bulb universal joint, includes percentage table (14), bulb pole (12) and gauge head (13), its characterized in that: the edge finder further comprises an upper top cover (1), upper and lower floating plates (3), an inner adjusting measuring head (5), a concave spherical part (6), a swing reset spring (11) and a main body bottom plate (10), wherein the upper top cover (1) is connected with the upper and lower floating plates (3), a lower pressing reset spring (2) and an inner adjustable gauge outfit (4) are further arranged between the upper top cover (1) and the upper and lower floating plates (3), one end of the inner adjustable gauge outfit (4) is connected with the upper and lower floating plates (3), and the other end of the inner adjustable gauge outfit is connected with a dial indicator (14); the inner adjusting measuring head (5) is positioned below the upper floating plate and the lower floating plate (3), one end of the inner adjusting measuring head is connected with the lower end of the upper floating plate and the lower floating plate (3), the other end of the inner adjusting measuring head is connected with the concave spherical part (6), and the side surface of the inner adjusting measuring head (5) is also provided with a push-up reset spring (7); a ball head convex locking block (8) and a ball head concave locking block (9) are arranged on the outer side of the concave spherical part (6), the ball head convex locking block (8) is connected with the ball head concave locking block (9), the lower end of the concave spherical part (6) is connected with a swing reset spring (11), a guide rod (15) is arranged on the side face of the swing reset spring (11), the bottom end of the guide rod (15) is connected with a main body bottom plate (10), and the top end of the guide rod is connected with the ball head concave locking block (9); a ball head rod (12) and a measuring head (13) are arranged below the main body bottom plate (10), one end of the ball head rod (12) is connected with the swing reset spring (11), and the other end of the ball head rod is connected with the measuring head (13).
2. The 3D edge finder based on the ball joint universal joint as claimed in claim 1, wherein: go up top cap (1) and upper and lower floating plate (3) and be square structure, go up through threaded connection between top cap (1) and the upper and lower floating plate (3), it is equipped with bolt (18) to go up top cap (1) lower surface central point, and the position that upper and lower floating plate (3) correspond bolt (18) is equipped with the internal thread that matches with it.
3. The 3D edge finder based on the ball joint universal joint as claimed in claim 2, wherein: the four pressing reset springs (2) are uniformly arranged along four corners of the square upper and lower floating plates (3), and the other ends of the pressing reset springs (2) are fixedly connected with the upper top cover (1).
4. The 3D edge finder based on the ball joint universal joint as claimed in claim 1, wherein: the concave spherical part (6) comprises a concave surface structure (16) and a sphere (17), and the concave surface structure (16) is connected with the sphere (17) through threads; the convex part below the concave structure (16) is provided with an external thread, the upper end of the ball body (17) is of a hollow structure, an internal thread is arranged inside the ball body, and the external thread is matched with the internal thread.
5. The 3D edge finder based on the ball joint universal joint as claimed in claim 4, wherein: a ball head convex locking block (8) and a ball head concave locking block (9) are arranged on the outer side of a ball body (17) of the concave spherical part (6); the ball head concave locking block (9) consists of two identical cuboids, and one surface of each cuboid is a concave surface; when the ball head convex locking block (8) is fixedly connected with the ball head concave locking block (9), the concave surface is combined to form a hollow spherical structure, and a sphere (17) of the concave spherical part (6) can be embedded into the formed hollow spherical structure.
6. The 3D edge finder based on the ball joint universal joint as claimed in claim 1, wherein: the main body bottom plate (10) is of a square structure, and 4 slotted holes are formed in the upper surface of the main body bottom plate (10) and are evenly distributed along four corners of the main body bottom plate (10).
7. The 3D edge finder based on the ball joint universal joint as claimed in claim 6, wherein: the number of the guide rods (15) is 4, one end of each guide rod (15) is fixedly connected with the main body bottom plate (10) through a slotted hole, and the other end of each guide rod is correspondingly connected with the lower surface of the ball head concave locking block (9).
8. The 3D edge finder based on the ball joint universal joint as claimed in claim 1, wherein: the ball head rod (12) is connected with the measuring head (13) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757325.2A CN108942411B (en) | 2018-07-11 | 2018-07-11 | 3D edge finder based on ball joint universal joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757325.2A CN108942411B (en) | 2018-07-11 | 2018-07-11 | 3D edge finder based on ball joint universal joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108942411A CN108942411A (en) | 2018-12-07 |
| CN108942411B true CN108942411B (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810757325.2A Active CN108942411B (en) | 2018-07-11 | 2018-07-11 | 3D edge finder based on ball joint universal joint |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112296759A (en) * | 2020-10-16 | 2021-02-02 | 张彬 | Mechanical sensing type edge finder |
| CN114714150A (en) * | 2022-04-21 | 2022-07-08 | 丛占国 | Detachable measuring head of 3D edge finder |
| CN114603400A (en) * | 2022-04-21 | 2022-06-10 | 丛占国 | Inner structure of 3D edge finder |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4228018C2 (en) * | 1992-08-24 | 1994-11-24 | Haff & Schneider Werkzeug Und | Multi-coordinate touch probe |
| CN100450711C (en) * | 2007-05-29 | 2009-01-14 | 北京联合大学 | Machine tool one way edge searching device |
| CN202462118U (en) * | 2012-02-15 | 2012-10-03 | 李洪庆 | Photoelectric edge finder |
| CN204673372U (en) * | 2015-04-28 | 2015-09-30 | 江苏师范大学 | For the tool setting device of numerically controlled lathe and numerical control boring and milling class lathe |
| CN207365855U (en) * | 2017-11-01 | 2018-05-15 | 赵青松 | A kind of accurate seeking border of contact |
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| CN108942411A (en) | 2018-12-07 |
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Application publication date: 20181207 Assignee: Nanjing University of Engineering Science Park Co.,Ltd. Assignor: NANJING INSTITUTE OF TECHNOLOGY Contract record no.: X2023980033985 Denomination of invention: A 3D edge finder based on ball universal joint Granted publication date: 20200414 License type: Common License Record date: 20230323 |