CN209991935U - Thread detection equipment - Google Patents
Thread detection equipment Download PDFInfo
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- CN209991935U CN209991935U CN201920776859.XU CN201920776859U CN209991935U CN 209991935 U CN209991935 U CN 209991935U CN 201920776859 U CN201920776859 U CN 201920776859U CN 209991935 U CN209991935 U CN 209991935U
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Abstract
The application provides a thread detection device, which comprises a feeding device, a feeding device and a detection device, wherein the feeding device is used for conveying a piece to be detected to a position to be received, and the piece to be detected is provided with an external thread; the feeding device comprises a feeding turntable and a feeding driving mechanism, the feeding turntable is used for receiving the piece to be detected at the position to be received, and the feeding driving mechanism is connected with the feeding turntable so as to drive the feeding turntable to rotate the piece to be detected to the position to be detected; detection device includes image acquisition mechanism and treater, and image acquisition mechanism sets up and waits to detect the position to acquire the image of external screw thread, and the treater is connected with image acquisition mechanism electricity, detects the external screw thread with the image through the external screw thread, compares the manual work detection among the prior art, reduces human cost and intensity of labour, improves detection efficiency and detection precision.
Description
Technical Field
The application relates to the technical field of thread detection, in particular to thread detection equipment.
Background
At present, for external thread detection, generally manual detection is performed by manually using measuring tools such as a vernier caliper and a gauge, so that the labor intensity of manual detection is high, the efficiency is low, erroneous judgment is easy to occur, and the detection precision is low.
SUMMERY OF THE UTILITY MODEL
The application mainly provides a screw thread check out test set, can reduce human cost and intensity of labour, improves detection efficiency and detection precision.
In order to solve the technical problem, the application adopts a technical scheme that: there is provided a thread detecting apparatus, comprising: the feeding device is used for conveying the piece to be detected to a position to be received, and the piece to be detected is provided with an external thread; the feeding device comprises a feeding turntable and a feeding driving mechanism, the feeding turntable is used for receiving the piece to be detected at the position to be received, and the feeding driving mechanism is connected with the feeding turntable so as to drive the feeding turntable to rotate the piece to be detected to the position to be detected; the detection device comprises an image acquisition mechanism and a processor, wherein the image acquisition mechanism is arranged at the position to be detected so as to acquire the image of the external thread, and the processor is electrically connected with the image acquisition mechanism so as to detect the external thread through the image of the external thread.
The processor is electrically connected with the two image acquisition mechanisms respectively so as to detect the external threads on the screw head and the screw rod respectively.
The thread detection equipment further comprises a blanking device, and the blanking device takes the to-be-detected piece out of the feeding turntable at the to-be-blanked position.
The blanking device comprises a blowing mechanism, and the blowing mechanism blows the to-be-detected piece off the feeding turntable at the to-be-blanked position.
The blanking device further comprises a material receiving box, and the material receiving box is used for receiving the to-be-detected piece blown off by the blowing mechanism.
The blanking device further comprises a guide piece, the guide piece is provided with a guide channel, and the to-be-detected piece falls into the material collecting box through the guide channel.
The feeding driving mechanism drives the feeding turntable to rotate detected pieces to different positions to be fed according to different detection structures, and the plurality of blanking devices take the detected pieces out of the feeding turntable at the plurality of positions to be fed respectively.
The feeding device further comprises a detector, the detector is used for sending a first detection signal when the feeding turntable rotates to the position to be detected, and the image acquisition mechanism acquires the image of the external thread according to the first detection signal.
The detector is also used for sending a second detection signal when the feeding turntable rotates the piece to be detected after detection to the position to be blanked, and the blanking device takes the piece to be detected out of the feeding turntable according to the second detection signal.
The detector is an angle sensor and is arranged on the feeding turntable to detect the rotation angle of the feeding turntable so as to judge whether the feeding turntable rotates the piece to be detected to the position to be detected or the blanking position.
The beneficial effect of this application is: different from the situation of the prior art, the thread detection equipment provided by the application comprises a feeding device, a feeding device and a detection device, wherein the feeding device is used for conveying a piece to be detected to a position to be received, and the piece to be detected is provided with an external thread; the feeding device comprises a feeding turntable and a feeding driving mechanism, the feeding turntable is used for receiving the piece to be detected at the position to be received, and the feeding driving mechanism is connected with the feeding turntable so as to drive the feeding turntable to rotate the piece to be detected to the position to be detected; detection device includes image acquisition mechanism and treater, and image acquisition mechanism sets up and waits to detect the position to acquire the image of external screw thread, and the treater is connected with image acquisition mechanism electricity, detects the external screw thread with the image through the external screw thread, compares the manual work detection among the prior art, reduces human cost and intensity of labour, improves detection efficiency and detection precision.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic perspective view of an embodiment of a thread testing apparatus provided herein;
FIG. 2 is a schematic view of the internal structure of the thread sensing apparatus of FIG. 1;
FIG. 3 is a schematic perspective view of the loading device in FIG. 2;
FIG. 4 is a schematic perspective view of the member to be inspected of FIG. 3;
FIG. 5 is a schematic perspective view of the feeding device and the discharging device shown in FIG. 2;
FIG. 6 is an enlarged schematic view of portion B of FIG. 5;
fig. 7 is a block diagram showing a control of the detecting device in fig. 2.
Reference numerals: 10-a thread detection device; 100-a workbench; 20-a feeding device; 30-a feeding device; 40-a detection device; 110-the piece to be detected; 21-vibrating a disc; 22-a feeding frame; 211-a discharge hole; 221-a feeding chute; 22 a-a bottom wall; 22 b-side wall; 2211-sliding plane; 110 a-screw head; 110 b-a screw shaft; 31-a feed turntable; 32-a feed drive mechanism; 311-a receiving groove; 3111-opening; 41-an image acquisition mechanism; 42-a processor; 51-a blowing mechanism; 52-a material receiving box; 53-a guide; 60-machine shell.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be noted that the following examples are only illustrative of the present application, and do not limit the scope of the present application. Likewise, the following examples are only some examples and not all examples of the present application, and all other examples obtained by a person of ordinary skill in the art without any inventive step are within the scope of the present application.
The terms "first", "second" and "third" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. All directional indications (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1, fig. 1 is a schematic perspective view of a thread detecting apparatus 10 according to an embodiment of the present disclosure, and fig. 2 is a schematic internal structure view of the thread detecting apparatus 10 shown in fig. 1, where the thread detecting apparatus 10 in the present embodiment includes a workbench 100, and a feeding device 20, a feeding device 30, and a detecting device 40 disposed on the workbench 100.
Referring to fig. 3 and 4 together, fig. 3 is a schematic perspective view of the feeding device 20 in fig. 2, and fig. 4 is a schematic perspective view of the piece to be detected 110 in fig. 3, wherein the feeding device 20 is used for conveying the piece to be detected 110 to a position to be received.
Specifically, loading attachment 20 includes vibration dish 21 and material loading frame 22, and wherein, vibration dish 21 is connected with workstation 100 for hold and wait to detect a 110 and including discharge gate 211, vibration dish 21 will hold wait to detect a 110 and carry to this discharge gate 211, and material loading frame 22 is connected with vibration dish 21 and is equipped with the material loading spout 221 with discharge gate 211 intercommunication, so that wait to detect a 110 and carry to waiting to receive the position through material loading spout 221.
The vibrating disk 21 is an auxiliary feeding device of an automatic assembling or automatic processing machine, the vibrating disk 21 can make a hopper of the vibrating disk vibrate in the vertical direction through a pulse electromagnet, the hopper is driven by an inclined spring piece to do torsional vibration around a vertical shaft of the hopper, a piece 110 to be detected in the hopper rises along a spiral track due to the vibration, the piece 110 to be detected can be automatically, orderly, directionally and regularly arranged from an unordered state through vibration and accurately conveyed to a discharge port 211 in the rising process through screening or posture change of a series of tracks, and therefore continuous feeding of the plurality of pieces 110 to be detected is achieved.
Further, the feeding chute 221 is inclined relative to the gravity direction of the piece 110 to be detected, so that the piece 110 to be detected slides to the position to be received along the feeding chute 221 under the action of gravity, that is, one end of the feeding chute 221 is communicated with the discharge hole 211, and the other end extends to the position to be received, and after the piece 110 to be detected enters the feeding chute 221 from the discharge hole 211, the piece 110 to be detected slides to the position to be received along the extending direction of the feeding chute 221 under the action of gravity.
Specifically, the feeding frame 22 includes a bottom wall 22a and two side walls 22b, the two side walls 22b are connected to the bottom wall 22a at the same side of the bottom wall 22a and are disposed oppositely to form the feeding chute 221, the two side walls 22b respectively include a sliding surface 2211 facing the opening direction of the feeding chute 221, that is, the sliding surface 2211 is disposed obliquely relative to the gravity direction of the to-be-detected piece 110, and the to-be-detected piece 110 slides along the sliding surface 2211 to the to-be-received position.
In an embodiment, the to-be-detected member 110 is a screw, the screw includes a screw head 110a and a screw rod 110b, the external thread is disposed on an outer periphery of the screw rod 110b, when the screw slides along the loading chute 221, the screw rod 110b is located in the loading chute 221, and the screw head 110a is mounted on the sliding surface 2211, so that the screw slides along the sliding surface 2211 to a to-be-received position.
Referring to fig. 5 and 6 together, fig. 5 is a schematic perspective view illustrating an assembly of the feeding device 30 and the blanking device 50 in fig. 2, and fig. 6 is an enlarged view of a portion B in fig. 5, wherein the feeding device 30 is configured to receive the object 110 to be detected at the position to be received and convey the object 110 to be detected to the position to be detected.
Specifically, the feeding device 30 includes a feeding turntable 31 and a feeding driving mechanism 32, the feeding turntable 31 is used for receiving the to-be-detected piece 110 at the to-be-received position, and the feeding driving mechanism 32 is connected to the feeding turntable 31 to drive the feeding turntable 31 to rotate the to-be-detected piece 110 to the to-be-detected position, so that the to-be-detected piece 110 is detected at the to-be-detected position.
The feeding turntable 31 is provided with an accommodating groove 311, the accommodating groove 311 includes an opening 3111, so that when the feeding turntable 31 rotates the accommodating groove 311 to a position to be received, the opening 3111 is in butt joint with the feeding chute 221, the piece 110 to be detected slides into the accommodating groove 311 from the feeding chute 221, and the feeding driving mechanism 32 continues to drive the feeding turntable 31 to rotate, so that the piece 110 to be detected rotates to the position to be detected.
Optionally, the opening 3111 of the accommodating groove 311 is disposed on the outer peripheral side of the feeding turntable 31, the number of the accommodating grooves 311 is multiple, and the multiple accommodating grooves are arranged in an array manner along the outer peripheral side of the feeding turntable 31, so that continuous detection of the to-be-detected part 110 is realized, and the detection efficiency is improved.
Optionally, the feeding driving mechanism 32 is a motor.
Further, after the piece 110 to be detected is detected at the position to be detected, the feeding driving mechanism 32 drives the feeding turntable 31 to rotate the detected piece 110 to be detected to the position to be blanked, so that the piece 110 to be detected is taken out at the position to be blanked.
Optionally, the number of the positions to be blanked is multiple, and the feeding driving mechanism 32 drives the feeding turntable 31 to rotate the detected piece to be detected 110 to different blanking positions according to different detection results, in an embodiment, the number of the positions to be blanked is two.
Optionally, the feeding device 30 in this embodiment further includes a detector (not shown in the figure) for sending a first detection signal when the feeding turntable 31 rotates to the position to be detected, otherwise, the detector does not send the first detection signal.
Optionally, the detector is further configured to send a second detection signal when the feeding turntable 31 rotates the detected piece 110 to the position to be blanked, otherwise, the second detection signal is not sent.
Optionally, the detector may be an angle sensor, and may be disposed on the feeding turntable 31 to detect a rotation angle of the feeding turntable 31 to determine whether the feeding turntable 31 rotates the to-be-detected piece 110 to the to-be-detected position or the to-be-blanked position.
Referring to fig. 2 and 7 together, fig. 7 is a control schematic block diagram of the detection device 40 in fig. 2, wherein the detection device 40 includes an image acquisition mechanism 41 and a processor 42, the image acquisition mechanism 41 is disposed at a position to be detected to acquire an image of the external thread, and the processor 42 is electrically connected to the image acquisition mechanism 41 to detect the external thread through the image of the external thread.
Specifically, after the image acquiring mechanism 41 acquires the image of the external thread, the processor 42 receives the image of the external thread, compares the image with a pre-stored standard image to calculate, and determines whether the external thread meets the standard according to a comparison result to determine whether the to-be-detected part 110 is qualified, where the comparison result may be determined according to whether the same image feature between the image of the external thread acquired by the image acquiring mechanism 41 and the standard image is greater than or equal to a threshold value.
In this embodiment, the image obtaining mechanism 41 obtains the image of the external thread according to the first detection signal, that is, when the detector sends the first detection signal, the image obtaining mechanism 41 obtains the image of the external thread, so as to prevent the image obtaining mechanism 41 from failing to obtain the image of the external thread when the feeding turntable 31 does not rotate the to-be-detected piece 110 to the to-be-detected position, which results in detection failure.
Optionally, in this embodiment, the number of the image capturing mechanisms 41 is two, the two image capturing mechanisms 41 are respectively used for capturing images of the screw head 110a and the screw rod 110b at the position to be detected, the processor 42 is respectively electrically connected to the two image capturing mechanisms 41 to respectively detect the external threads on the screw head 110a and the screw rod 110b, and the detection method is the same as that described above.
Optionally, the image capturing mechanism 41 is a CCD (charge coupled device) camera.
With further reference to fig. 2 and fig. 5, the thread detecting apparatus 10 in this embodiment further includes a blanking device 50, where the blanking device 50 is configured to take the piece 110 to be detected out of the feeding turntable 31 at the position to be blanked, and in this embodiment, the blanking device 50 takes the piece 110 to be detected out of the feeding turntable 31 according to the second detection signal, so as to prevent the risk of blanking failure of the blanking device 50.
Specifically, the blanking device 50 includes an air blowing mechanism 51, and the air blowing mechanism 51 is configured to blow the to-be-detected piece 110 off the feeding turntable 31 at the to-be-blanked position, that is, when the feeding turntable 31 rotates the to-be-detected piece 110 to the to-be-detected position, the air blowing mechanism 51 blows air to the to-be-detected piece 110, so that the to-be-detected piece 110 is blown off from the feeding turntable 31 through the opening 3111 of the accommodating groove 311 under the action of wind power.
Optionally, the blowing mechanism 51 is a blowing solenoid valve.
Optionally, the blanking device 50 in this embodiment further includes a material receiving box 52, and the material receiving box 52 is used for receiving the to-be-detected object 110 blown off by the blowing mechanism 51.
Optionally, the blanking device 50 in this embodiment further includes a guide 53, the guide 53 is provided with a guide channel (not shown in the drawings), the guide channel can be disposed inside the guide 53, and the to-be-detected piece 110 falls into the material receiving box 52 through the guide channel, in this embodiment, the guide channel is also respectively communicated with the opening 3111 of the accommodating groove 311 and the material receiving box 52, so that when the to-be-detected piece 110 is blown off from the feeding turntable 31, the to-be-detected piece falls into the material receiving box 52 through the guide channel, and the problem that the to-be-detected piece 110 cannot fall into the material receiving box 52 and needs to be recollected is prevented in the falling process.
Optionally, the number of the blanking devices 50 is multiple, the plurality of blanking devices 50 respectively take out the to-be-detected piece 110 from the feeding turntable 31 at a plurality of to-be-blanked positions, in this embodiment, the detection result of the to-be-detected piece 110 is two qualified or two unqualified, the number of the blanking devices 50 is also two, and the two blanking devices 50 respectively blank the to-be-detected piece 110 which is qualified or unqualified.
Referring to fig. 1, the thread detecting apparatus 10 in this embodiment further includes a casing 60, and the workbench 110, the feeding device 20, the feeding device 30, the detecting device 40, and the discharging device 50 are disposed in the casing 60.
Different from the prior art, the thread detection equipment provided by the application comprises a feeding device, a feeding device and a detection device, wherein the feeding device is used for conveying a piece to be detected to a position to be received, and the piece to be detected is provided with an external thread; the feeding device comprises a feeding turntable and a feeding driving mechanism, the feeding turntable is used for receiving the piece to be detected at the position to be received, and the feeding driving mechanism is connected with the feeding turntable so as to drive the feeding turntable to rotate the piece to be detected to the position to be detected; detection device includes image acquisition mechanism and treater, and image acquisition mechanism sets up and waits to detect the position to acquire the image of external screw thread, and the treater is connected with image acquisition mechanism electricity, detects the external screw thread with the image through the external screw thread, compares the manual work detection among the prior art, reduces human cost and intensity of labour, improves detection efficiency and detection precision.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings, or which are directly or indirectly applied to other related technical fields, are intended to be included within the scope of the present application.
Claims (10)
1. A thread detection apparatus, comprising:
the feeding device is used for conveying the piece to be detected to a position to be received, and the piece to be detected is provided with an external thread;
the feeding device comprises a feeding turntable and a feeding driving mechanism, the feeding turntable is used for receiving the piece to be detected at the position to be received, and the feeding driving mechanism is connected with the feeding turntable so as to drive the feeding turntable to rotate the piece to be detected to the position to be detected;
the detection device comprises an image acquisition mechanism and a processor, wherein the image acquisition mechanism is arranged at the position to be detected so as to acquire the image of the external thread, and the processor is electrically connected with the image acquisition mechanism so as to detect the external thread through the image of the external thread.
2. The thread detection apparatus according to claim 1, wherein the member to be detected is a screw, the screw includes a screw head and a screw rod, the external thread is disposed on an outer circumference of the screw rod, the number of the image capturing mechanisms is two, the two image capturing mechanisms are respectively configured to capture images of the screw head and the screw rod at the position to be detected, and the processor is respectively electrically connected to the two image capturing mechanisms to respectively detect the external thread on the screw head and the external thread on the screw rod.
3. The thread detecting device according to claim 1, wherein the feeding driving mechanism is further configured to drive the feeding turntable to rotate the detected piece to be detected to a position to be blanked, and the thread detecting device further comprises a blanking device, and the blanking device takes the piece to be detected out of the feeding turntable at the position to be blanked.
4. The thread testing device according to claim 3, wherein said blanking device comprises a blowing mechanism for blowing off said to-be-tested piece from said feeding turntable at said to-be-blanked position.
5. The thread detecting device according to claim 4, wherein the discharging device further comprises a receiving box for receiving the to-be-detected piece blown off by the blowing mechanism.
6. The thread detection device according to claim 5, wherein the blanking device further comprises a guide member, the guide member is provided with a guide channel, and the member to be detected falls into the material receiving box through the guide channel.
7. The thread detecting device according to claim 3, wherein the number of the positions to be blanked and the number of the blanking devices are plural, the feeding driving mechanism drives the feeding turntable to rotate the detected piece to be detected to different positions to be blanked according to different detecting structures, and the blanking devices take the detected piece out of the feeding turntable at the positions to be blanked.
8. The thread detecting device according to claim 3, wherein the feeding device further comprises a detector, the detector is configured to send a first detection signal when the feeding turntable rotates to the position to be detected, and the image acquiring mechanism acquires the image of the external thread according to the first detection signal.
9. The thread detecting device according to claim 8, wherein the detector is further configured to send a second detection signal when the feeding turntable rotates the detected piece to the position to be blanked, and the blanking device takes the detected piece out of the feeding turntable according to the second detection signal.
10. The thread detecting device according to claim 9, wherein the detector is an angle sensor, and is disposed on the feeding turntable to detect a rotation angle of the feeding turntable to determine whether the feeding turntable rotates the to-be-detected member to the to-be-detected position or the to-be-discharged position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920776859.XU CN209991935U (en) | 2019-05-27 | 2019-05-27 | Thread detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920776859.XU CN209991935U (en) | 2019-05-27 | 2019-05-27 | Thread detection equipment |
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| CN209991935U true CN209991935U (en) | 2020-01-24 |
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| CN201920776859.XU Active CN209991935U (en) | 2019-05-27 | 2019-05-27 | Thread detection equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113751364A (en) * | 2021-09-28 | 2021-12-07 | 芜湖永辉汽车紧固件有限公司 | Intelligent full inspection machine for feeding and discharging |
| CN114264250A (en) * | 2021-12-25 | 2022-04-01 | 瑞安市朝阳标准件有限公司 | Screw thread check out test set of bolt |
-
2019
- 2019-05-27 CN CN201920776859.XU patent/CN209991935U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113751364A (en) * | 2021-09-28 | 2021-12-07 | 芜湖永辉汽车紧固件有限公司 | Intelligent full inspection machine for feeding and discharging |
| CN114264250A (en) * | 2021-12-25 | 2022-04-01 | 瑞安市朝阳标准件有限公司 | Screw thread check out test set of bolt |
| CN114264250B (en) * | 2021-12-25 | 2023-03-10 | 瑞安市朝阳标准件有限公司 | Screw thread check out test set of bolt |
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