CN220853435U - Concentricity automatic detection device - Google Patents
Concentricity automatic detection device Download PDFInfo
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- CN220853435U CN220853435U CN202322134890.2U CN202322134890U CN220853435U CN 220853435 U CN220853435 U CN 220853435U CN 202322134890 U CN202322134890 U CN 202322134890U CN 220853435 U CN220853435 U CN 220853435U
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- concentricity
- automatic detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 40
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 238000010304 firing Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses an automatic concentricity detection device which comprises a detection table, wherein the detection table is provided with a main shaft and a dial indicator, the main shaft is used for being concentrically matched with a central hole of a workpiece and driving the workpiece to rotate, and the front end of a touch rod of the dial indicator is used for being in contact with the peripheral wall of a round boss of the workpiece. The utility model uses the main shaft to drive the workpiece to rotate, then judges the concentricity of the central hole of the workpiece and the round boss according to the jump of the dial indicator reading, the measuring point comprises the whole circumference, the detection result is accurate and reliable, the detection consistency is good, and the operation is simple and convenient.
Description
Technical Field
The utility model relates to the technical field, in particular to an automatic concentricity detection device.
Background
As shown in fig. 1 and 2, a workpiece 01 is an end cover, and is provided with a central hole 02 and a round boss 03, wherein concentricity of the inner peripheral wall of the central hole 02 and the outer peripheral wall of the round boss 03 is a control size, and the workpiece 01 is required to be detected one by one after being processed. Because the workpiece 01 is an irregular part and has a large size, the conventional measuring tool is difficult to operate, a special measuring clamp needs to be manufactured, and the positions of the central hole 02 and the round boss 03 are respectively detected at fixed known positions. However, the efficiency of the manual detection is obviously low, and human errors are brought in due to subjectivity depending on the skill and experience of operators, and the detection results are inconsistent due to the deviation of the judgment standard.
Disclosure of utility model
In order to improve concentricity detection efficiency and accuracy between column holes, the utility model provides an automatic concentricity detection device.
The technical scheme adopted by the utility model is as follows: the utility model provides a concentricity automatic checkout device, includes the detection platform, main shaft and amesdial are installed to the detection platform, the main shaft is used for with the concentric cooperation of centre bore of work piece, and drives the work piece is rotatory, the contact bar front end of amesdial be used for with the periphery wall contact of the round boss of work piece.
Preferably, the main shaft is driven manually or by power.
Preferably, the main shaft is provided with a key which is in transmission fit with a boss inside the workpiece.
Preferably, the center of the main shaft is provided with a centering shaft, and the front end of the centering shaft is provided with a frustum which extends to the outside of the main shaft and is used for being matched with the center hole.
Preferably, the centering shaft is adjustable in axial position relative to the main shaft.
Preferably, the detection table is further provided with a driving cylinder, a piston rod of the driving cylinder is provided with a firing pin, a needle head of the firing pin is used for contacting with the peripheral wall of the round boss of the workpiece, the driving cylinder is provided with a magnetic switch for detecting the axial position of the piston rod, and the magnetic switch is electrically connected to the alarm device.
Preferably, the magnetic switch is provided with two detection pole positions corresponding to the driving cylinder piston respectively.
The utility model has the following beneficial effects: the utility model uses the main shaft to drive the workpiece to rotate, then judges the concentricity of the central hole of the workpiece and the round boss according to the jump of the dial indicator reading, the measuring point comprises the whole circumference, the detection result is accurate and reliable, the detection consistency is good, and the operation is simple and convenient.
Drawings
FIG. 1 is a schematic diagram of a workpiece in an embodiment of the utility model.
Fig. 2 is a cross-sectional view of a workpiece in an embodiment of the utility model.
Fig. 3 is a schematic diagram illustrating an operating state of an embodiment of the present utility model.
Fig. 4 is a schematic diagram of an embodiment of the present utility model.
FIG. 5 is a schematic diagram of a spindle and related components according to an embodiment of the present utility model.
FIG. 6 is a schematic diagram of a drive cylinder and related components in an embodiment of the present utility model.
A workpiece 01, a central hole 02, a round boss 03 and a boss 04; the device comprises a detection table 1, a main shaft 2, a dial indicator 3, a key 4, a centering shaft 5, a driving cylinder 6, a firing pin 7, a magnetic switch 8 and a power disc 9.
Detailed Description
The utility model will be further described with reference to examples and drawings.
In the embodiment, as shown in fig. 1 and 2, in order to detect the workpiece 01, the control size to be detected is the concentricity of the inner peripheral wall of the central hole 02 and the outer peripheral wall of the circular boss 03. As shown in fig. 3-6, the automatic concentricity detection device for the workpiece 01 comprises a detection table 1, wherein a main shaft 2 and a dial gauge 3 are installed on the detection table 1, the main shaft 2 is used for being matched with a central hole 02 of the workpiece 01 concentrically and driving the workpiece 01 to rotate, and the front end of a touch rod of the dial gauge 3 is used for being in contact with the peripheral wall of a round boss 03 of the workpiece 01. In the embodiment, the spindle 2 is utilized to drive the workpiece 01 to rotate, then the concentricity of the center hole 02 of the workpiece 01 and the round boss 03 is judged according to the jump of the reading of the dial indicator 3, the measuring point comprises the whole circumference, the detection result is accurate and reliable, the detection consistency is good, and the operation is simple and convenient.
In the embodiment, as shown in fig. 5, a power disc 9 is arranged at the lower end of the main shaft 2, and the power disc 9 can be connected with an output shaft of a speed reducer or a manual or pedal flywheel to respectively realize power driving and manual driving. The power disc 9 also has the function of assisting in assembly, so that the assembly of the main shaft 2 and the detection table 1 is precise, the looseness is not easy, and the detection accuracy is further ensured.
In the embodiment, as shown in fig. 4 and 5, the main shaft 2 is provided with a key 4, and the key 4 is in transmission fit with a boss 04 inside the workpiece 01. The key 4 of the embodiment is abutted against the boss 04, so that the workpiece 01 is driven to rotate, and the workpiece 01 with the structure is convenient to be put in and taken out.
In the embodiment, as shown in fig. 4 and 5, the center of the main shaft 2 is provided with a centering shaft 5, and the front end of the centering shaft 5 is provided with a frustum extending to the outside of the main shaft 2 for matching with the center hole 02. The frustum has an automatic centering function, so that the main shaft 2 and the central hole 02 can be ensured to be strictly concentric, and the detection accuracy is ensured.
In the embodiment, as shown in fig. 5, the axial position of the centering shaft 5 relative to the main shaft 2 is adjustable, the main shaft 2 is also a hollow shaft structure, an axial long hole is formed on the hollow shaft structure, and the hollow shaft structure is in installation fit with a positioning hole on the main shaft 2 through a bolt. The structure ensures that the main shaft 2 is strictly centered with the central hole 02, and simultaneously, the height position of the workpiece 01 is convenient to adjust, so that the workpiece 01 is more stable in the rotation process and does not shake, and the detection precision is ensured. On the basis, the embodiment can be further improved into a universal device suitable for detecting concentricity of the cylinder and the round hole, and the universality and applicability of the device are greatly improved.
In the embodiment, as shown in fig. 4 and 5, a driving cylinder 6 is further installed on the detection platform 1, a firing pin 7 is installed on a piston rod of the driving cylinder 6, a needle head of the firing pin 7 is used for contacting with the peripheral wall of a round boss 03 of the workpiece 01, the driving cylinder 6 is provided with a magnetic switch 8 for detecting the axial position of the piston rod, the magnetic switch 8 is electrically connected to an alarm device, two magnetic switches 8 are provided, and two detection pole positions corresponding to the piston of the driving cylinder 6 respectively. The MGPM mini air cylinder manufactured by the company of Amaha brake is selected, has the advantage of small size and sensitivity, adopts a magnetic piston or a magnetic ring, is provided with a mounting groove outside the cylinder body, is provided with two D-M9NV magnetic switches 8 at different axial positions in the groove, and corresponds to two set limit positions of the axial runout of the firing pin 7. The embodiment adopts an audible and visual alarm mode, and compared with the reading of the visual dial indicator 3, the burden of an operator is greatly reduced. And the two modes can be mutually proved, so that false detection and missing detection are reduced.
It is apparent that the above examples of the present utility model are merely illustrative of the present utility model and are not limiting of the embodiments of the present utility model. Other obvious variations or modifications which are extended by the spirit of the present utility model are within the scope of the present utility model.
Claims (7)
1. The utility model provides a concentricity automatic checkout device, its characterized in that, including detecting platform (1), main shaft (2) and amesdial (3) are installed to detecting platform (1), main shaft (2) are used for with the concentric cooperation of centre bore (02) of work piece (01), and drive work piece (01) are rotatory, the contact bar front end of amesdial (3) be used for with the contact of the periphery wall of circle boss (03) of work piece (01).
2. The concentricity automatic detection device according to claim 1, wherein the spindle (2) is driven manually or by power.
3. The concentricity automatic detection device according to claim 1 or 2, characterized in that the spindle (2) is provided with a key (4), and the key (4) is in driving engagement with a boss (04) inside the workpiece (01).
4. The concentricity automatic detection device according to claim 1, characterized in that a centering shaft (5) is provided in the center of the main shaft (2), and a frustum extending to the outside of the main shaft (2) for being matched with the center hole (02) is provided at the front end of the centering shaft (5).
5. The concentricity automatic detection device according to claim 4, characterized in that the centering shaft (5) is adjustable in axial position with respect to the main shaft (2).
6. The concentricity automatic detection device according to claim 1, characterized in that the detection table (1) is further provided with a driving cylinder (6), a piston rod of the driving cylinder (6) is provided with a firing pin (7), a needle of the firing pin (7) is used for contacting with the peripheral wall of a round boss (03) of the workpiece (01), the driving cylinder (6) is provided with a magnetic switch (8) for detecting the axial position of the piston rod, and the magnetic switch (8) is electrically connected to an alarm device.
7. The concentricity automatic detection device according to claim 6, wherein the magnetic switch (8) is provided with two detection pole positions corresponding to the piston of the driving cylinder (6), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322134890.2U CN220853435U (en) | 2023-08-09 | 2023-08-09 | Concentricity automatic detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322134890.2U CN220853435U (en) | 2023-08-09 | 2023-08-09 | Concentricity automatic detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220853435U true CN220853435U (en) | 2024-04-26 |
Family
ID=90786864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322134890.2U Active CN220853435U (en) | 2023-08-09 | 2023-08-09 | Concentricity automatic detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220853435U (en) |
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2023
- 2023-08-09 CN CN202322134890.2U patent/CN220853435U/en active Active
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