CN210051263U - Diameter detection device of automatic detection machine - Google Patents
Diameter detection device of automatic detection machine Download PDFInfo
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- CN210051263U CN210051263U CN201920881707.6U CN201920881707U CN210051263U CN 210051263 U CN210051263 U CN 210051263U CN 201920881707 U CN201920881707 U CN 201920881707U CN 210051263 U CN210051263 U CN 210051263U
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- positioning jig
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- 238000001514 detection method Methods 0.000 title claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000003825 pressing Methods 0.000 claims description 18
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 238000005259 measurement Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
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Abstract
The utility model discloses an automatic diameter detection device of detection machine, including base and stand, be provided with the workstation on the base, be provided with step motor on the base, rotate on the workstation and be connected with positioning jig, step motor is connected with positioning jig, the side that corresponds positioning jig on the workstation is provided with a pair of external diameter gauge head, be provided with hold-down mechanism on the stand, hold-down mechanism is including compressing tightly cylinder, connecting plate and compressing tightly the pole, the connecting plate is connected and is compressed tightly the cylinder, compresses tightly the pole and rotates with the connecting plate to be connected, and the compressing tightly pole is just to positioning jig top, the utility model discloses can make the product rotate to detect the diameter of product multi-angle.
Description
Technical Field
The utility model belongs to the automated inspection machine field, more specifically the diameter detection device that relates to an automated inspection machine that says so.
Background
The Chinese patent with the application number of 2017209950564 discloses a full-automatic detector, which comprises an equipment outer cover, an equipment base, a stacking mechanism assembly line, a plurality of material trays, a detection mechanism, a disc carrying mechanism and a four-axis robot, wherein the equipment outer cover is arranged on the equipment base, the stacking mechanism assembly line is arranged on the equipment base, the plurality of material trays are stacked on the stacking mechanism assembly line and are carried to a four-axis robot grabbing station, the four-axis robot grabbing station is provided with a four-axis robot corresponding to the four-axis robot, the equipment base is provided with a disc carrying mechanism corresponding to the four-axis robot, the equipment base is provided with at least one detection mechanism and a defective product assembly line respectively at the position corresponding to the disc carrying mechanism, the full-automatic detection operation of products is realized according to the product demands, the defective factors of manual detection can be effectively eliminated, the detection precision is high, but also can realize sustainable work, greatly improves the production efficiency, has stable performance of the whole machine and has low industrialization cost.
The diameter detection of the current product also has a corresponding detection device, which can be installed on a full-automatic detection machine as a detection mechanism, for example, the chinese patent with application number 2017204934476 discloses an inner and outer diameter detection device, which comprises a machine table, a product material table movably arranged on the machine table along an X-axis, a material table driving cylinder driving the product material table to move, a positioning member limiting the product to be detected at the position to be detected of the product, an inner diameter detection mechanism and an outer diameter detection mechanism arranged on the machine table, wherein the outer diameter detection mechanism comprises a first outer diameter measurement head and a second outer diameter measurement head which can move along a Y-axis and are respectively positioned at two opposite sides of the position to be detected of the product, a first outer diameter measurement head driving cylinder and a second outer diameter measurement head driving cylinder driving the first outer diameter measurement head and the second outer diameter measurement head to move respectively, and the inner diameter detection mechanism comprises an inner diameter measurement head which can move, And the inner diameter measuring head driving cylinder drives the inner diameter measuring head to move. When the inner diameter and the outer diameter detection devices are used for detecting products, the inner diameter detection and the outer diameter detection can be simultaneously carried out, and the device is very simple to operate, good in stability, high in precision, simple and compact in structure.
However, the product is fixed on the product material table, and only the diameter (outer diameter) of one position of one product can be detected during detection, but the diameters of other positions in the circumferential direction cannot be detected, and meanwhile, the corresponding product material table is needed for fixing different products.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to prior art not enough, the utility model provides a can make the product rotate to detect the diameter detection device of the automated inspection machine of the diameter of product multi-angle.
In order to achieve the above purpose, the utility model provides a following technical scheme: the diameter detection device of the automatic detection machine comprises a base and a stand column, wherein a workbench is arranged on the base, a stepping motor is arranged on the base, a positioning jig is connected to the workbench in a rotating mode, the stepping motor is connected with the positioning jig, a pair of outer diameter measuring heads are arranged on the side face, corresponding to the positioning jig, of the workbench, a pressing mechanism is arranged on the stand column and comprises a pressing cylinder, a connecting plate and a pressing rod, the connecting plate is connected with the pressing cylinder, the pressing rod is connected with the connecting plate in a rotating mode, and the pressing rod is opposite to the upper portion of the positioning jig.
Further positioning jig includes casing and core, the core includes main part and profiling body, the main part of core is non-circular cylinder, the casing is including the cavity that holds the main part, and the main part stretches into in the cavity to and be provided with the bolster between the bottom of cavity.
Further the buffer is a compression spring.
And a coupler is arranged between the stepping motor and the positioning jig.
Further be provided with the angle sensor who detects shaft coupling turned angle between workstation and the base, angle sensor is connected with PLC, and step motor and external diameter gauge head are connected to the PLC electricity.
Compared with the prior art, the beneficial effects of the utility model are that: during detection, a product is placed on a positioning jig and is compressed and fixed through a compressing cylinder, an outer diameter measuring head is close to the outer surface of the product to measure the diameter of the product, meanwhile, a stepping motor rotates to detect the diameters of different positions of the product and perform multi-angle measurement, corresponding cores can be replaced according to different products, the replacement is rapid, the product can be matched with a copying body, the copying body can enable the product to be stressed uniformly when being compressed by a compressing rod through the support of the cores, the product can avoid eccentric shaft when rotating, the circumferential surface of the product is discontinuous round, if the product has a disconnected condition, an angle sensor can be used for detecting the rotating angle of the stepping motor, after the curved surface is detected, the stepping motor and the outer diameter measuring head are stopped, and the outer diameter measuring head is prevented from being damaged by; in the actual product production process, the surface of the product may have a bulge or groove defect, and at the moment, in the product circumferential rotation process, the outer diameter measuring head can also detect the abnormal defect of the diameter of the corresponding position of the product.
Drawings
FIG. 1 is a three-dimensional structure diagram of the diameter detecting device of the automatic detecting machine of the present invention;
FIG. 2 is a front view of the diameter detecting device of the automatic detecting machine of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
fig. 4 is a three-dimensional structure diagram of the middle positioning fixture of the present invention.
Reference numerals: 1. a base; 2. a work table; 3. a column; 4. a pressing cylinder; 5. a connecting plate; 6. a hold down bar; 7. producing a product; 8. positioning a jig; 81. a core body; 811. a main body; 812. profiling; 813. positioning a groove; 82. a housing; 821. a cavity; 822. a pressure relief vent; 83. a compression spring; 9. an outer diameter measuring head; 10. a stepping motor; 11. a coupling; 12. an angle sensor; 13. and a bearing.
Detailed Description
The embodiment of the diameter detecting device of the automatic detecting machine of the present invention is further explained with reference to fig. 1 to 4.
The utility model provides an automatic diameter detection device of detection machine, includes base 1 and stand 3, be provided with workstation 2 on the base 1, be provided with step motor 10 on the base 1, rotate on the workstation 2 and be connected with positioning jig 8, step motor 10 is connected with positioning jig 8, the side that corresponds positioning jig 8 on the workstation 2 is provided with a pair of external diameter gauge head 9, be provided with hold-down mechanism on the stand 3, hold-down mechanism is including compressing tightly cylinder 4, connecting plate 5 and compress tightly pole 6, connecting plate 5 is connected and is compressed tightly cylinder 4, and compress tightly pole 6 and connecting plate 5 rotate to be connected, and compress tightly pole 6 is just to positioning jig 8 top.
When detecting, product 7 is arranged in on positioning jig 8 and coaxial with positioning jig 8, then compress tightly 4 actions of cylinder, make and compress tightly pole 6 compress tightly with product 7 top, product 7 is by the centre gripping between positioning jig 8 and compression bar 6 this moment, external diameter gauge head 9 is close to and contacts product 7 surface, start step motor 10, positioning jig 8, product 7 and compression bar 6 synchronous rotation, carry out the diameter through external diameter gauge head 9 to a plurality of positions on the 7 circumferencial direction of product and detect, at the rotation in-process, product 7 is fixed a position throughout and compresses tightly, keep rotating along the axis direction circumference steadily, it is accurate to measure.
The outer diameter measuring head 9 is preferably a cylinder type high-precision contact digital sensor, and the model number of the measuring head is GT2-A12 manufactured by Keynes corporation, and the measuring precision is high.
As shown in fig. 1, preferably, two detection stations (no product 7 on the left station and a product 7 on the right station) are arranged on the workbench 2, and each station is provided with a positioning fixture 8, a stepping motor 10, a pair of outer diameter measuring heads 9 and a pressing rod 6, so that the two products 7 can be detected at the same time, and the efficiency is improved.
As shown in fig. 4, the positioning fixture 8 of the present embodiment preferably includes a housing 82 and a core 81, the core 81 includes a main body 811 and a dummy body 812, the main body 811 of the core 81 is a non-circular cylinder, the housing 82 includes a cavity 821 for accommodating the main body 811, and the main body 811 extends into the cavity 821 and is provided with a buffer member between the bottom of the cavity 821, where the buffer member is a compression spring 83.
The shape of cavity 821 of housing 82 is the same as the shape of main body 811 of core 81, preferably, a pressure relief hole 822 is provided at the bottom of cavity 821 to communicate with the outside, main body 811 of core 81 is in contact fit with housing 82 to avoid radial movement of core 81, pressure relief hole 822 allows air to be smoothly exhausted when core 81 moves to the bottom of cavity 821, a positioning groove 813 is provided at the bottom of main body 811, and compression spring 83 extends into positioning groove 813 to position compression spring 83.
In the present embodiment, the main body 811 is a rectangular parallelepiped, but may be a cylinder of an oval or triangle shape as long as the relative rotation between the core 81 and the housing 82 can be avoided.
As shown in fig. 1, in which the product 7 has a cavity and holes, the corresponding dummy 812 of the core 81 is shaped to fit the cavity, the housing 82 has locating pins extending into the holes, when processing the product 7, the main body 811 of the core 81 is placed in the cavity 821 with the dummy body 812 exposed outside, the product 7 is placed on the positioning jig 8 with the positioning pin inserted into the hole, with the contoured body 812 extending into the cavity, the core 81 is ejected upward by the compression spring 83, the edge of the product 7 does not directly contact the shell 82, when the pressing cylinder 4 acts, the pressing rod 6 presses the product 7 downwards, so that the core 81 moves downwards along the cavity 821 until the edge of the product 7 is close to the shell 82, at this time, the fixing of the product 7 is completed, the cavity of the product 7 is upwards pushed due to the function of the profile body 812, all positions of the product 7 are stressed more evenly, and the product 7 is prevented from being deformed due to the action of the pressing rod 6; when detecting different products 7, only need change corresponding core 81 can, take out original core 81 to put into new core 81.
This embodiment is preferred be provided with shaft coupling 11 between step motor 10 and the positioning jig 8, be provided with angle sensor 12 that detects 11 turned angle of shaft coupling between workstation 2 and the base 1, angle sensor 12 is connected with PLC, and step motor 10 and external diameter gauge head 9 are connected to the PLC electricity.
When the circumferential surface to be detected of the product 7 is a discontinuous curved surface or has a large curvature change, only a curved surface part with no curvature change or small curvature change is detected usually at the time, when the coupler 11 and the product 7 rotate through the stepping motor 10, the angle sensor 12 detects the rotated angle at any time, when the rotated angle reaches a position with large curvature change, the PLC stops the rotation of the stepping motor 10, and meanwhile, the outer diameter measuring head 9 resets, so that the outer diameter measuring head 9 can be prevented from being damaged due to the fact that the outer diameter measuring head 9 contacts with a suddenly protruding part of the product 7.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides an automatic diameter detection device of detection machine, includes base and stand, its characterized in that: the base is provided with a workbench, the base is provided with a stepping motor, the workbench is rotatably connected with a positioning jig, the stepping motor is connected with the positioning jig, a pair of outer diameter measuring heads is arranged on the side face, corresponding to the positioning jig, of the workbench, a pressing mechanism is arranged on the stand column and comprises a pressing cylinder, a connecting plate and a pressing rod, the connecting plate is connected with the pressing cylinder, the pressing rod is rotatably connected with the connecting plate, and the pressing rod is opposite to the upper portion of the positioning jig.
2. The diameter detection device of an automatic detector according to claim 1, characterized in that: the positioning jig comprises a shell and a core body, wherein the core body comprises a main body and a profiling body, the main body of the core body is a non-circular cylinder, the shell comprises a cavity for accommodating the main body, and the main body extends into the cavity and is provided with a buffer piece between the main body and the bottom of the cavity.
3. The diameter detection device of an automatic detector according to claim 2, characterized in that: the buffer is a compression spring.
4. The diameter detection device of an automatic detector according to any one of claims 1 to 3, characterized in that: and a coupler is arranged between the stepping motor and the positioning jig.
5. The diameter detection device of an automatic detector according to claim 4, wherein: an angle sensor for detecting the rotation angle of the coupler is arranged between the workbench and the base, the angle sensor is connected with a PLC, and the PLC is electrically connected with the stepping motor and the outer diameter measuring head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920881707.6U CN210051263U (en) | 2019-06-12 | 2019-06-12 | Diameter detection device of automatic detection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920881707.6U CN210051263U (en) | 2019-06-12 | 2019-06-12 | Diameter detection device of automatic detection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210051263U true CN210051263U (en) | 2020-02-11 |
Family
ID=69397568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920881707.6U Expired - Fee Related CN210051263U (en) | 2019-06-12 | 2019-06-12 | Diameter detection device of automatic detection machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210051263U (en) |
-
2019
- 2019-06-12 CN CN201920881707.6U patent/CN210051263U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200211 |