Universal diameter automatic detection device

Abstract

The utility model relates to a universal diameter automatic detection device, which comprises a support and a detection element arranged on the support, and is characterized in that the support comprises a first mounting block, a second mounting block, a second mounting block and a third mounting block, the second mounting block is movably connected with the first mounting block and located on one side of the first avoiding opening in the second direction, and the second mounting block can move relative to the first mounting block in the first direction and the third direction; the two detection elements are oppositely arranged on the two sides of the first avoiding opening in the second direction, one detection element is connected with the first mounting block, the other detection element is connected with the second mounting block, and the two detection elements are used for detecting the size of a detected object located in the first avoiding opening; according to the utility model, the bracket can be flexibly adjusted, so that the detection elements can be flexibly matched with different use environments, the two detection elements can detect objects to be detected with different sizes, and the compatibility of the detection device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of part detection, in particular to a general-purpose automatic diameter detection device. Background Art

[0002] At present, two automotive parts are fixed by riveting with a cylindrical PIN. The cylindrical PIN passes through the round holes of the two automotive parts and then is riveted. However, after the cylindrical PIN is riveted, its diameter may be abnormal, causing damage to the parts and ultimately resulting in defective or even scrapped products. Therefore, it is necessary to detect the size of the cylindrical PIN after riveting. The existing detection devices have problems such as inflexible structures, limited usage scenarios, resulting in low detection efficiency, and can only detect cylindrical PINs of specific sizes, and their compatibility needs to be improved. Summary of the Utility Model

[0003] Therefore, the technical problem to be solved by the utility model is to overcome the problems of inflexible structure, limited usage scenarios, and insufficient compatibility existing in the existing detection devices, and further provide a general-purpose automatic diameter detection device, which can flexibly adjust the bracket, so that the detection elements can flexibly match different usage environments, and the two detection elements can detect measured objects of different sizes, improving the compatibility of the detection device.

[0004] To solve the above technical problems, the utility model provides a general-purpose automatic diameter detection device, which includes a bracket and detection elements arranged on the bracket. The bracket includes,

[0005] A first mounting block, which is provided with a first avoidance opening formed by being recessed along a first direction;

[0006] A second mounting block, which is movably connected to the first mounting block and is located on one side of the first avoidance opening along a second direction. The second mounting block is arranged to be able to move relative to the first mounting block along the first direction and a third direction;

[0007] The two detection elements are arranged opposite to each other along the second direction on both sides of the first avoidance opening. One detection element is connected to the first mounting block, and the other detection element is connected to the second mounting block. The two detection elements are used to detect the size of the measured object located in the first avoidance opening.

[0008] In an embodiment of the utility model, the bracket includes a first slide rail extending along the first direction, and the first mounting block is slidably connected to the first slide rail.

[0009] In an embodiment of the present utility model, the bracket further includes a substrate and a first adjusting plate slidably connected to the substrate along the third direction. The first slide rail is connected to the first adjusting plate. Wherein, the substrate is provided with a first through hole, the first adjusting plate is provided with a first connecting rod extending along the third direction. The first connecting rod passes through the first through hole, and the free end of the first connecting rod is threadedly connected with a nut.

[0010] In an embodiment of the present utility model, the bracket further includes a second adjusting plate. The second adjusting plate is arranged in close contact with the first adjusting plate. The second adjusting plate is rotatably connected to the first adjusting plate through a rotating shaft. The rotating shaft extends along the first direction, and the first slide rail is fixedly connected to the second adjusting plate.

[0011] In an embodiment of the present utility model, the second adjusting plate is provided with a bearing portion extending along the first direction. The first slide rail is fixedly arranged on the bearing portion, and the bearing portion is provided with a second avoidance opening formed by being recessed along the first direction. The first avoidance opening can be located directly above the second avoidance opening.

[0012] In an embodiment of the present utility model, the side wall of the bearing portion is provided with a first connecting block. The top of the first connecting block is provided with a first positioning hole. The bottom of the first mounting block is provided with a second positioning hole corresponding to the first positioning hole. The first mounting block is fixed by inserting a positioning pin into the first positioning hole and the second positioning hole.

[0013] In an embodiment of the present utility model, the second adjusting plate is provided with an arc-shaped through hole extending along the second direction. The first adjusting plate is provided with a limiting pin corresponding to the arc-shaped through hole. The limiting pin passes through the arc-shaped through hole, and the limiting cap of the limiting pin abuts against the second adjusting plate along one side of the first adjusting plate.

[0014] In an embodiment of the present utility model, the first adjusting plate is further provided with a second connecting rod extending along the third direction. The second adjusting plate is provided with a first strip-shaped hole extending along the second direction corresponding to the second connecting rod. The second connecting rod passes through the first strip-shaped hole, and the free end of the second connecting rod is provided with a limiting head.

[0015] In an embodiment of the present utility model, a first spring is sleeved on the first connecting rod. One end of the first spring abuts against the first adjusting plate, and the other end of the first spring abuts against the substrate; a second spring is sleeved on the second connecting rod. One end of the second spring abuts against the second adjusting plate, and the other end of the second spring abuts against the first adjusting plate.

[0016] In an embodiment of the present utility model, the first mounting block is provided with a second strip-shaped hole and a third strip-shaped hole. The center line of the second strip-shaped hole is parallel to the first direction, and the second strip-shaped hole extends along the third direction. The center line of the third strip-shaped hole is parallel to the third direction, and the third strip-shaped hole extends along the first direction. The second mounting block is threadedly connected with a first screw rod and a second screw rod. The first screw rod extends along the first direction and passes through the second strip-shaped hole. The second screw rod extends along the second direction and passes through the third strip-shaped hole.

[0017] In an embodiment of the present utility model, the second mounting block is further provided with a fourth strip-shaped hole. The center line of the fourth strip-shaped hole is parallel to the third direction, and the fourth strip-shaped hole extends along the first direction. A third screw rod passes through the fourth strip-shaped hole and is fixedly connected to the housing of the detection element.

[0018] In an embodiment of the present utility model, the first connecting block is provided with a fifth strip-shaped hole. The center line of the fifth strip-shaped hole is parallel to the second direction, and the fifth strip-shaped hole extends along the first direction. The bearing part is provided with a threaded hole opposite to the fifth strip-shaped hole, and a bolt passes through the fifth strip-shaped hole and is threadedly connected to the threaded hole.

[0019] In an embodiment of the present utility model, the substrate is provided with a second slide rail extending along the third direction, and the first adjusting plate is slidably connected to the second slide rail.

[0020] In an embodiment of the present utility model, the first connecting block is further provided with a second through hole. The center line of the second through hole is parallel to the first direction. The second adjusting plate is provided with a fourth screw rod extending along the first direction, and the fourth screw rod passes through the second through hole and is threadedly connected to a nut, and the nut abuts against the first connecting block.

[0021] In an embodiment of the present utility model, the second mounting block is further provided with a guiding column extending along the third direction. The guiding column passes through the third strip-shaped hole of the first mounting block, and a spring is sleeved outside the guiding column. Two ends of the spring respectively abut against the first mounting block and the second mounting block.

[0022] The above technical solution of the present utility model has the following beneficial effects compared with the prior art:

[0023] The general-purpose diameter automatic detection device described in the present utility model arranges two detection elements opposite to each other on both sides of the first avoidance opening. After riveting of measured objects of various sizes, they can enter the first avoidance opening from the upper and lower sides and be accurately detected for their diameters by the detection elements. Since the second mounting block can move relative to the first mounting block in the first direction and the third direction, within the range that does not affect the detection accuracy, one detection element can also move relative to the other detection element in the first direction and the third direction, flexibly adjusting the position of the detection element, so that the detection device can be compatible with different detection environments, improving the detection efficiency and accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to make the content of the present utility model easier to be clearly understood, the following further details the present utility model according to the specific embodiments of the present utility model in combination with the drawings, where

[0025] Figure 1 is a schematic structural diagram of the general-purpose diameter automatic detection device in the preferred embodiment of the present utility model.

[0026] Figure 2 is Figure 1 a schematic structural diagram of another general-purpose diameter automatic detection device shown.

[0027] Figure 3 is Figure 1 a schematic structural diagram of an exploded view of the first adjustment plate and the second adjustment plate of the general-purpose diameter automatic detection device shown.

[0028] Figure 4 is Figure 1 a schematic structural diagram of the first mounting block, the second mounting block and the detection element of the general-purpose diameter automatic detection device shown.

[0029] Figure 5 is Figure 4 a schematic structural diagram of the second mounting block shown.

[0030] Figure 6 is Figure 4 a schematic structural diagram of the bottom view of the first mounting block shown.

[0031] Description of the reference numerals in the drawings: 1. Substrate; 11. Second connecting block; 12. Second slide rail; 2. First adjusting plate; 21. First connecting rod; 22. Nut; 23. Limiting head; 24. Second connecting rod; 25. Third connecting block; 3. Second adjusting plate; 31. Bearing part; 32. Second avoidance opening; 33. First slide rail; 34. Rotating shaft; 35. First strip-shaped hole; 36. Arc-shaped through hole; 37. Limiting pin; 38. Fourth screw; 39. Nut; 4. First mounting block; 41. First avoidance opening; 42. Second positioning hole; 43. Second strip-shaped hole; 44. Third strip-shaped hole; 5. Second mounting block; 51. First screw; 52. Second screw; 53. Third screw; 54. Fourth strip-shaped hole; 55. Guide post; 6. First connecting block; 61. Fifth strip-shaped hole; 62. Bolt; 63. First positioning hole; 7. Detection element; 8. Detection element; X. Second direction; Y. First direction; Z. Third direction. Detailed implementation manners

[0032] The present utility model will be further described below in conjunction with the drawings and specific embodiments, so that those skilled in the art can better understand the present utility model and be able to implement it, but the embodiments cited are not intended to limit the present utility model.

[0033] Embodiment

[0034] Referring to Figure 1 As shown, in an embodiment of the present utility model, a general-purpose diameter automatic detection device includes a bracket and a detection element disposed on the bracket. The bracket is fixedly connected to a device such as a robotic arm. The detection element is preferably set as a laser rangefinder. The bracket includes

[0035] A first mounting block 4, which is provided with a first avoidance opening 41 formed by being recessed along the first direction Y. During detection, the object to be measured is located within the first avoidance opening 41;

[0036] A second mounting block 5, which is movably connected to the first mounting block 4 and is located on one side of the first avoidance opening 41 along the second direction X. The second mounting block 5 is arranged to be able to move relative to the first mounting block 4 along the first direction Y and the third direction Z to adjust its own position;

[0037] The two detection elements 8 / 7 are disposed opposite to each other along the second direction X on both sides of the first avoidance opening 41. One detection element 7 is connected to the first mounting block 4, and the other detection element 8 is connected to the second mounting block 5. The two detection elements emit laser beams for detecting the size of the object to be measured located in the first avoidance opening 41. The principle is to determine the distance between the detection element and the object to be measured by calculating the reflection time of the laser beams emitted by the two detection elements, and to determine the diameter of the object to be measured by the distance between the two detection elements, and to judge whether the diameter of the object to be measured after riveting is abnormal by comparing it with the diameter of the original object to be measured.

[0038] In an embodiment of the present invention, referring to Figure 3 as shown, the bracket includes two first slide rails 33 extending along the first direction Y. The first mounting block 4 is slidably connected to the first slide rails 33 through the sliders at the bottom. Since the bracket is connected to the device, in order to reduce the area occupied by the detection device, the second mounting block 5 can be pushed backward.

[0039] In an embodiment of the present invention, referring to Figure 1 and 3 as shown, in order to finely adjust the height of the two detection elements, the bracket further includes a base plate 1 and a first adjustment plate 2 slidably connected to the base plate 1 along the third direction Z. The first slide rails 33 are connected to the first adjustment plate 2. Among them, a connecting second connecting block 11 is provided at the top of the base plate 1, and the second connecting block 11 is provided with a first through hole. The top of the first adjustment plate 2 is provided with a first connecting rod 21 extending along the third direction Z. The first connecting rod 21 passes through the first through hole, and the free end of the first connecting rod 21 is threadedly connected with a nut 22. The nut 22 abuts against the second connecting block 11 for fixing the first adjustment plate 2.

[0040] In an embodiment of the present invention, referring to Figure 1 and 3 as shown, in order to realize the swing adjustment angle of the two detection elements, the bracket further includes a second adjustment plate 3. The second adjustment plate 3 is tightly attached to the first adjustment plate 2. The second adjustment plate 3 is rotatably connected to the first adjustment plate 2 through a rotating shaft 34. The rotating shaft 34 extends along the first direction Y. The first slide rails 33 are fixedly connected to the second adjustment plate 3.

[0041] In an embodiment of the present invention, referring to Figure 3As shown, the second adjusting plate 3 is provided with a bearing portion 31 extending along the first direction Y. The first slide rail 33 is fixedly arranged on the bearing portion 31, and the bearing portion 31 is provided with a second avoidance opening 32 formed by being recessed along the first direction Y. When the first mounting block 4 slides backward to the end of the first slide rail 33, the first avoidance opening 41 can be located directly above the second avoidance opening 32.

[0042] In an embodiment of the present invention, referring to Figure 2 As shown, when detecting, the first mounting block 4 needs to be fixed. Therefore, a first connecting block 6 is provided on the side wall of the bearing portion 31. A plurality of first positioning holes 63 are provided on the top of the first connecting block 6. The plurality of first positioning holes 63 are distributed along the first direction. Corresponding to the first positioning holes 63, second positioning holes 42 are provided at the bottom of the first mounting block 4. The first mounting block 4 is fixed by inserting a positioning pin into the first positioning holes 63 and the second positioning holes 42.

[0043] In an embodiment of the present invention, referring to Figure 3 and 6 As shown, in order to enable the second adjusting plate 3 to swing within a certain angle, the second adjusting plate 3 is provided with an arc-shaped through hole 36 or a strip-shaped hole extending along the second direction X. The first adjusting plate 2 is provided with a limit pin 37 corresponding to the arc-shaped through hole 36. The limit pin 37 passes through the arc-shaped through hole 36, and the limit cap of the limit pin 37 abuts against the second adjusting plate 3 along one side of the first adjusting plate 2, for limiting the second adjusting plate 3 in the first direction Y.

[0044] In an embodiment of the present invention, referring to Figure 3 As shown, the first adjusting plate 2 is further provided with a third connecting block 25 and a second connecting rod 24 arranged on the third connecting block 25. The second connecting rod 24 extends along the third direction Z. The second adjusting plate 3 is provided with a first strip-shaped hole 35 extending along the second direction X corresponding to the second connecting rod 24. The center line of the first strip-shaped hole 35 is parallel to the third direction Z. The second connecting rod 24 passes through the first strip-shaped hole 35, and a limit head 23 is provided at the free end of the second connecting rod 24.

[0045] In an embodiment of the present invention, in order to buffer the first adjusting plate 2, a first spring is sleeved on the first connecting rod 21. One end of the first spring abuts against the first adjusting plate 2, and the other end of the first spring abuts against the substrate 1. In order to buffer the second adjusting plate 3, a second spring is sleeved on the second connecting rod 24. One end of the second spring abuts against the second adjusting plate 3, and the other end of the second spring abuts against the first adjusting plate 2.

[0046] In an embodiment of the present invention, referring toFigure 4 As shown, the first mounting block 4 is provided with a second strip-shaped hole 43 and a third strip-shaped hole 44. The center line of the second strip-shaped hole 43 is parallel to the first direction Y, and the second strip-shaped hole 43 extends along the third direction Z; the center line of the third strip-shaped hole 44 is parallel to the third direction Z, and the third strip-shaped hole 44 extends along the first direction Y. The second mounting block 5 is threadedly connected with a first screw rod 51 and a second screw rod 52. The first screw rod 51 extends along the first direction Y and passes through the second strip-shaped hole 43; the second screw rod 52 extends along the second direction X and passes through the third strip-shaped hole 44. The position of the first mounting block 4 can be adjusted up and down and back and forth by loosening the first screw rod 51 and the second screw rod 52, and then the position of the detection element 8 can be adjusted.

[0047] In an embodiment of the present utility model, with reference to Figure 5 As shown, in order to further finely adjust the position of the detection element 8 back and forth, the second mounting block 5 is further provided with a fourth strip-shaped hole 54. The center line of the fourth strip-shaped hole 54 is parallel to the third direction Z, and the fourth strip-shaped hole 54 extends along the first direction Y. A third screw rod 53 passes through the fourth strip-shaped hole 54 and is fixedly connected to the housing of the detection element 8.

[0048] In an embodiment of the present utility model, with reference to Figure 2 As shown, in order to finely adjust the position of the first connecting block 6 back and forth, the first connecting block 6 is provided with a fifth strip-shaped hole 61. The center line of the fifth strip-shaped hole 61 is parallel to the second direction X, and the fifth strip-shaped hole 61 extends along the first direction Y. The bearing portion 31 is provided with a threaded hole opposite to the fifth strip-shaped hole 61. A bolt passes through the fifth strip-shaped hole 61 and is threadedly connected to the threaded hole. The bolt is used to limit the first connecting block 6 in the third direction Z.

[0049] In an embodiment of the present utility model, with reference to Figure 1 As shown, in order to guide the second adjusting plate 3, the base plate 1 is provided with two second slide rails 12 extending along the third direction Z. The slider at the tail of the first adjusting plate 2 is slidably connected to the second slide rails 12.

[0050] In an embodiment of the present utility model, with reference to Figure 2 As shown, the first connecting block 6 is further provided with a second through hole. The center line of the second through hole is parallel to the first direction Y. The second adjusting plate 3 is provided with a fourth screw rod 38 extending along the first direction Y, and the fourth screw rod 38 passes through the second through hole and is threadedly connected to a nut 39. When the first connecting block 6 moves to a suitable position, the nut 39 abuts against the first connecting block 6, and the first connecting block 6 is limited in the first direction Y by the nut 39 and the bolt 62.

[0051] In an embodiment of the present utility model, with reference to Figure 5 as shown, in order to buffer the detection element 8, a guide post 55 extending along the third direction Z is further provided on the second mounting block 5. The guide post 55 passes through the third strip-shaped hole 44 of the first mounting block 4, and a spring is sleeved outside the guide post 55. Two ends of the spring respectively abut against the first mounting block 4 and the second mounting block 5.

[0052] The working principle of the universal diameter automatic detection device of the present utility model is as follows:

[0053] The bracket is fixed on the device through the substrate 1. By moving the bracket through the device, the riveted object to be measured is passed through the first avoidance port 41 and enters between the two detection elements. Subsequently, the two detection elements emit laser light. The two detection elements calculate the diameter of the object to be measured according to the time interval of laser reflection, thereby determining whether the object to be measured is abnormal. If it is necessary to adjust the position of the first mounting block 4, loosen the nut 39. After the first mounting block 4 is moved to a suitable position, tighten the nut 39 again. If it is necessary to adjust the angles of the two detection elements, the operator manually rotates the second adjusting plate 3 to make the detection elements slightly inclined to a suitable angle and then detect; if it is necessary to finely adjust the heights of the two detection elements, loosen the nut 22, raise or lower the first adjusting plate 2 to a suitable height and then tighten the nut 22; if it is necessary to separately adjust the position of the detection element 8, loosen the first screw rod 51, slide the detection element 8 along the first direction Y to a suitable position and then tighten the first screw rod 51; or loosen the second screw rod 52 and the third screw rod 53, slide the second mounting block 5 along the first direction Y and the third direction Z to a suitable position and then re-tighten the second screw rod 52 and the third screw rod 53.

[0054] Obviously, the above embodiments are merely examples for clear illustration and are not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all the implementation manners here. And the obvious changes or modifications derived therefrom are still within the protection scope of the present utility model.

Claims

1. A universal automatic diameter detection device, comprising a bracket and a detection element arranged on the bracket, characterized in that: The bracket comprises: A first mounting block is provided with a first avoidance opening formed by being recessed along a first direction; A second mounting block, which is movably connected to the first mounting block and is located at one side of the first avoidance opening along a second direction, and the second mounting block is configured to be movable relative to the first mounting block along the first direction and a third direction; The two detection elements are arranged on both sides of the first avoidance opening along the second direction, one detection element is connected to the first mounting block, and the other detection element is connected to the second mounting block. The two detection elements are used to detect the size of the object to be measured in the first avoidance opening.

2. A universal automatic diameter detection device according to claim 1, characterized in that: The bracket includes a first slide rail extending along the first direction, and the first mounting block is slidably connected to the first slide rail.

3. A universal automatic diameter detection device according to claim 2, characterized in that: The bracket also includes a base plate and a first adjustment plate slidably connected to the base plate along the third direction, and the first slide rail is connected to the first adjustment plate, wherein the base plate is provided with a first through hole, and the first adjustment plate is provided with a first connecting rod extending along the third direction, the first connecting rod passes through the first through hole, and the free end of the first connecting rod is threadedly connected to a nut.

4. A universal automatic diameter detection device according to claim 3, characterized in that: The bracket also includes a second adjustment plate, which is arranged close to the first adjustment plate and is rotatably connected to the first adjustment plate via a rotation axis, the rotation axis extends along the first direction, and the first slide rail is fixedly connected to the second adjustment plate.

5. A universal automatic diameter detection device according to claim 4, characterized in that: The second adjustment plate is provided with a bearing portion extending along the first direction, the first slide rail is fixedly arranged on the bearing portion, and the bearing portion is provided with a second avoidance opening formed by being recessed along the first direction, and the first avoidance opening can be located directly above the second avoidance opening.

6. A universal automatic diameter detection device according to claim 5, characterized in that: The side wall of the bearing part is provided with a first connecting block, the top of the first connecting block is provided with a first positioning hole, the bottom of the first mounting block is provided with a second positioning hole corresponding to the first positioning hole, and the first mounting block is fixed by inserting a positioning pin into the first positioning hole and the second positioning hole.

7. A universal automatic diameter detection device according to claim 4, characterized in that: The second adjustment plate is provided with an arc-shaped through hole extending along the second direction, and the first adjustment plate is provided with a limit pin corresponding to the arc-shaped through hole. The limit pin passes through the arc-shaped through hole, and the limit cap of the limit pin abuts against the second adjustment plate along one side of the first adjustment plate.

8. A universal automatic diameter detection device according to claim 4, characterized in that: The first adjustment plate is also provided with a second connecting rod extending along the third direction, the second adjustment plate is provided with a first strip hole extending along the second direction corresponding to the second connecting rod, the second connecting rod passes through the first strip hole, and a limiting head is provided at the free end of the second connecting rod.

9. A universal automatic diameter detection device according to claim 8, characterized in that: The first connecting rod sleeve is provided with a first spring, one end of the first spring abuts against the first adjustment plate, and the other end of the first spring abuts against the base plate; the second connecting rod sleeve is provided with a second spring, one end of the second spring abuts against the second adjustment plate, and the other end of the second spring abuts against the first adjustment plate.

10. A universal automatic diameter detection device according to claim 1, characterized in that: The first mounting block is provided with a second strip hole and a third strip hole, the center line of the second strip hole is parallel to the first direction, and the second strip hole extends along the third direction; the center line of the third strip hole is parallel to the third direction, and the third strip hole extends along the first direction, the second mounting block is threadedly connected with a first screw and a second screw, the first screw extends along the first direction and passes through the second strip hole; the second screw extends along the second direction and passes through the third strip hole.

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