CN219798395U - Test device for repeated precision of groove-type photoelectric sensor - Google Patents
Test device for repeated precision of groove-type photoelectric sensor Download PDFInfo
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- CN219798395U CN219798395U CN202321255276.5U CN202321255276U CN219798395U CN 219798395 U CN219798395 U CN 219798395U CN 202321255276 U CN202321255276 U CN 202321255276U CN 219798395 U CN219798395 U CN 219798395U
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- 238000003780 insertion Methods 0.000 claims description 5
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- 238000005452 bending Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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Abstract
The utility model relates to a testing device for the repetition precision of a groove type photoelectric sensor, which comprises a rack; the moving plate is arranged on the frame in a sliding manner; the driving piece is connected with the movable plate and is in a structural form of an element with a driving source; the contact block is arranged on the moving plate; the test block is arranged on the moving plate and is used for being inserted into the groove-type photoelectric sensor; the fixed table is arranged on the frame and is used for arranging the groove-type photoelectric sensor; the displacement sensor is arranged on the fixed table and is used for being abutted with the contact block. The utility model has the effect of enabling the repeated precision test of the groove-type photoelectric sensor to be more accurate.
Description
Technical Field
The utility model relates to the field of detection technology, in particular to a device for testing the repetition precision of a groove-type photoelectric sensor.
Background
The slot type photoelectric switch is one of the opposite-emitting photoelectric switches, called as a U-type photoelectric switch, and is an infrared sensing photoelectric product, light is used as a medium, infrared light between a luminous body and a light receiving body is received and converted, and the position of an object is detected, wherein after the slot type photoelectric sensor is used for multiple times, the insertion depth of the object when the slot type photoelectric sensor responds is changed, and the difference value between the maximum value and the minimum value of the insertion depth is the repetition precision.
In the related art, the testing device for the repetition precision of the groove-type photoelectric sensor comprises a frame, a hand-operated linear sliding table, a contact block, a testing block, a fixed table and a displacement sensor, wherein the hand-operated linear sliding table is fixedly arranged on the frame; the contact block is fixed on a sliding table of the hand-operated linear sliding table; the test block is also fixed on a sliding table of the hand-operated linear sliding table; the fixed table is arranged on the frame and is used for fixing the groove-type photoelectric sensor; the displacement sensor is fixedly arranged on the fixed table, the structural form of the displacement sensor is a contact type displacement sensor, when the contact block moves to approach the groove type photoelectric sensor to be abutted against the displacement sensor, the test block just enters the groove type photoelectric sensor, then the contact block continues to move until the groove type photoelectric sensor responds, then the displacement sensor obtains the insertion depth of the groove type photoelectric sensor when responding, and then the contact block is moved repeatedly for a plurality of times to obtain a plurality of insertion depths, so that the repeated precision of the groove type photoelectric sensor can be tested.
For the related technology, the defect that the repeated precision test of the groove type photoelectric sensor is inaccurate is caused by the fact that a larger interval exists between the time point when the groove type photoelectric sensor responds and the time point when the contact block stops moving because the movement of the contact block is realized through the hand-operated linear sliding table.
Disclosure of Invention
In order to enable the repeated precision test of the groove-shaped photoelectric sensor to be more accurate, the utility model provides a device for testing the repeated precision of the groove-shaped photoelectric sensor.
The utility model provides a testing device for the repetition precision of a groove type photoelectric sensor, which adopts the following technical scheme:
a test device for the repetition accuracy of a groove-type photoelectric sensor comprises:
a frame;
the moving plate is arranged on the frame in a sliding manner;
the driving piece is connected with the moving plate and is in a structural form of an element with a driving source;
the contact block is arranged on the moving plate;
the test block is arranged on the movable plate and is used for being inserted into the groove-type photoelectric sensor;
the fixed table is arranged on the rack and is used for arranging the groove-type photoelectric sensor;
the displacement sensor is arranged on the fixed table and is used for being abutted with the contact block.
By adopting the technical scheme, because the structural form of the driving piece is the element with the driving source, after the test block is inserted into the groove-shaped photoelectric sensor to enable the groove-shaped photoelectric sensor to respond, the driving piece can enable the movable plate to stop moving more rapidly, so that the interval between the time point when the groove-shaped photoelectric sensor responds and the time point when the contact block stops moving is reduced, the repeated precision test of the groove-shaped photoelectric sensor can be more accurate, in addition, under the design mode, the stopping action of the contact block can respond more rapidly, so that the displacement sensor is less prone to damage, and the displacement sensor can be used with higher precision.
Preferably, the driving piece is in a structure form of a motor screw sliding table, and the sliding table of the driving piece is connected with the moving plate.
By adopting the technical scheme, the movable plate can make reciprocating rectilinear motion, and the motion track of the movable plate is more stable, so that the accuracy of the test is improved.
Preferably, the driving member is in a telescopic cylinder, and a piston rod of the driving member is connected with the moving plate.
By adopting the technical scheme, the movable plate can reciprocate in a linear motion, and the structure of the whole device is simpler, so that the device is more convenient to assemble.
Preferably, the contact block is in an L-shaped bent plate shape, one side of the contact block is connected with the moving plate, and the other side of the contact block is used for being abutted against the displacement sensor.
Through adopting above-mentioned technical scheme, compare in that the contact block is the massive mode of cuboid, this kind of design mode even makes the thickness of whole contact block thinner to reduce the manufacturing cost of component, also make the contact block can pass through shorter bolt fixed mounting on the movable plate, with the processing cost of reduction component.
Preferably, one side of the contact block far away from the moving plate is connected with the test block in a bending way.
Through adopting above-mentioned technical scheme, compare in the mode of being removable between test block and the contact block, this kind of design mode, on the one hand, can make the test block install on the movable plate more accurately, on the other hand, through the mode direct formation contact block and the test block that panel was bent, can let the structural style of whole device more succinct.
Preferably, the fixing table is in a U-shaped bent plate shape, the driving piece is arranged on the inner side of the fixing table in a penetrating mode, and the groove-shaped photoelectric sensor and the displacement sensor are arranged on the outer side of the fixing table in a bending bottom mode.
By adopting the technical scheme, the driving piece and the fixed table can more reasonably use the space on the frame so as to reduce the area occupied by the device.
Preferably, the fixing table is provided with a jig plate and a fastening bolt, the jig plate is used for fixing the groove-type photoelectric sensor, the jig plate is provided with a mounting hole, the mounting hole is in a waist round shape, and the length direction of the mounting hole is parallel to the movement direction of the moving plate; the rod part of the fastening bolt penetrates through the mounting hole to be in threaded connection with the fixing table, and the nut of the fastening bolt is abutted to the surface of one side, far away from the fixing table, of the jig plate.
By adopting the technical scheme, on one hand, the groove-type photoelectric sensor is mounted on the fixed table through the cooperation between the fastening bolts and the jig plate; on the other hand, because the mounting hole is the waist circle, then before fastening bolt screws up, can also finely tune the position of tool board to can make the cell type photoelectric sensor install on the fixed station more accurately.
Preferably, a positioning groove is formed in the surface of one side, far away from the fixed table, of the jig plate, and the positioning groove is used for embedding the groove-type photoelectric sensor.
Through adopting above-mentioned technical scheme, because of the setting of constant head tank, on the one hand, can instruct the effect to the mounted position of cell type photoelectric sensor, on the other hand also can play the positioning action to cell type photoelectric sensor to promote the position accuracy of cell type photoelectric sensor on the tool board.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the driving piece is in a structure form of an element with a driving source, so that after the test block is inserted into the groove-shaped photoelectric sensor to enable the groove-shaped photoelectric sensor to respond, the driving piece can enable the movable plate to stop moving more quickly, so that the interval between the time point when the groove-shaped photoelectric sensor responds and the time point when the contact block stops moving is reduced, and the repeated precision test of the groove-shaped photoelectric sensor can be more accurate;
2. because the structural style of the driving piece is the motor lead screw sliding table, the reciprocating linear motion of the moving plate is realized, and the motion track of the moving plate is more stable, thereby being beneficial to improving the accuracy of the test.
Drawings
FIG. 1 is a schematic diagram of a test apparatus for the repetition accuracy of a trench type photoelectric sensor in an embodiment of the present utility model.
Fig. 2 is a schematic diagram of connection between a groove-type photoelectric sensor and a jig board according to an embodiment of the present utility model.
Reference numerals illustrate: 1. a frame; 2. a moving plate; 3. a driving member; 4. a contact block; 5. a test block; 6. a fixed table; 61. a trough-type photoelectric sensor; 7. a displacement sensor; 8. a jig plate; 81. a mounting hole; 82. a positioning groove; 9. and (5) fastening a bolt.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-2.
The embodiment of the utility model discloses a testing device for the repetition precision of a groove-type photoelectric sensor. Referring to fig. 1 and 2, the test device for the repetition accuracy of the slot type photoelectric sensor includes a frame 1, a moving plate 2, a driving member 3, a contact block 4, a test block 5, a fixed stage 6, and a displacement sensor 7. The moving plate 2 is horizontally and linearly arranged on the frame 1 in a sliding manner; the driving piece 3 is arranged on the frame 1, the driving piece 3 is connected with the moving plate 2, and meanwhile, the driving piece 3 is in the form of a component with a driving source; the contact block 4 is arranged on the movable plate 2; the test block 5 is also arranged on the movable plate 2, and the test block 5 is inserted into the groove-type photoelectric sensor 61; the fixed table 6 is arranged on the frame 1, and the fixed table 6 is used for installing and fixing the groove-type photoelectric sensor 61; the displacement sensor 7 is arranged on the fixed table 6, and the displacement sensor 7 is in the form of a contact sensor, wherein the displacement sensor 7 is abutted against the contact block 4 when the test block 5 is inserted into the groove-type photoelectric sensor 61.
Referring to fig. 1 and 2, since the driving member 3 is configured as a member with a driving source, after the test block 5 is inserted into the slot type photoelectric sensor 61 to allow the slot type photoelectric sensor 61 to respond, the driving member 3 can more rapidly stop the movement of the moving plate 2 to reduce the interval between the time point when the slot type photoelectric sensor 61 responds and the time point when the contact block 4 stops moving, thereby enabling the repeated precision test of the slot type photoelectric sensor 61 to be more accurate.
Referring to fig. 1 and 2, in this embodiment, the driving member 3 is in a structure of a motor screw sliding table, the moving plate 2 is fixedly connected with the sliding table of the motor screw sliding table, so that the moving plate 2 can make reciprocating rectilinear motion, and the motion track of the moving plate 2 is more stable, thereby being helpful for improving the accuracy of the test, and in other embodiments, if the stability requirement on the motion track of the moving plate 2 is not high, the driving member 3 may be in a structure of a telescopic cylinder such as an electric cylinder or an air cylinder, wherein the piston rod of the telescopic cylinder is connected with the moving plate 2.
Referring to fig. 1 and 2, in this embodiment, in order to better adapt to the structural form of the driving member 3, the fixing table 6 is in a U-shaped bent shape, the bent inner side of the fixing table 6 is provided for the driving member 3 to pass through, two ends of the bent opening of the fixing table 6 are fixedly connected with the frame 1, and the bent bottom of the outer side of the fixing table 6 is provided for the groove-shaped photoelectric sensor 61 and the displacement sensor 7, so that the space on the frame 1 can be more fully utilized, and the space occupied by the device can be reduced.
Referring to fig. 1 and 2, in order to make the overall structure of the device more compact, the arrangement is correspondingly provided that firstly, the whole contact block 4 is in an L-shaped bent shape, one side of the contact block 4 is fixedly connected with the moving plate 2 through a bolt, and the other side is abutted against the displacement sensor 7; secondly, one end of the test block 5 far away from the groove-shaped photoelectric sensor 61 is integrally connected with one side of the contact block 4 far away from the movable plate 2, specifically, the connection is realized by bending a plate, so that the contact block 4 and the test block 5 are two parts of a complete plate, and the structural form of the whole device can be more concise.
Referring to fig. 1 and 2, in order to more accurately mount the groove-type photoelectric sensor 61 on the fixed table 6, a jig plate 8 and a fastening bolt 9 are provided on the fixed table 6, specifically, a mounting hole 81 is provided on the jig plate 8, the mounting hole 81 is in a waist-round shape, and a length direction of the mounting hole 81 is parallel to a movement direction of the moving plate 2; the pole portion of fastening bolt 9 passes mounting hole 81 and comes with fixed station 6 threaded connection, the nut and the tool board 8 of fastening bolt 9 keep away from the one side surface butt of fixed station 6, in order to realize locking tool board 8 on fixed station 6, before fastening bolt 9 is not screwed up simultaneously, can also remove tool board 8 and finely tune the position of tool board 8, in addition in this embodiment, the constant head tank 82 that supplies cell type photoelectric sensor 61 to inlay is still seted up to the upper surface of tool board 8, in order to play the positioning action to cell type photoelectric sensor 61, thereby promote the position accuracy of cell type photoelectric sensor 61 on tool board 8, and then also can promote the position accuracy of cell type photoelectric sensor 61 on fixed station 6.
The embodiment of the utility model relates to a testing device for the repetition precision of a groove type photoelectric sensor, which is implemented by the following principle: because the driving member 3 is in the form of a component with a driving source, after the test block 5 is inserted into the groove-shaped photoelectric sensor 61 to enable the groove-shaped photoelectric sensor 61 to respond, the driving member 3 can enable the moving plate 2 to stop moving more quickly, so that the interval between the time point when the groove-shaped photoelectric sensor 61 responds and the time point when the contact block 4 stops moving is reduced, and the repeated precision test of the groove-shaped photoelectric sensor 61 can be more accurate.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. A testing device for the repetition precision of a groove-type photoelectric sensor is characterized in that: comprising the following steps:
a frame (1);
the moving plate (2) is arranged on the frame (1) in a sliding manner;
a driving piece (3) connected with the moving plate (2), wherein the driving piece (3) is in a structural form of an element with a driving source;
a contact block (4) provided on the moving plate (2);
a test block (5) provided on the moving plate (2) for insertion into the groove-type photoelectric sensor (61);
a fixed table (6) arranged on the frame (1), wherein the fixed table (6) is provided for a groove-type photoelectric sensor (61);
and the displacement sensor (7) is arranged on the fixed table (6), and the displacement sensor (7) is used for being abutted with the contact block (4).
2. The test device for the repetition accuracy of a groove-type photoelectric sensor according to claim 1, wherein: the driving piece (3) is in the form of a motor screw sliding table, and the sliding table of the driving piece (3) is connected with the moving plate (2).
3. The test device for the repetition accuracy of a groove-type photoelectric sensor according to claim 1, wherein: the driving piece (3) is in a telescopic cylinder, and a piston rod of the driving piece (3) is connected with the moving plate (2).
4. The test device for the repetition accuracy of a groove-type photoelectric sensor according to claim 1, wherein: the contact block (4) is in an L-shaped bent plate shape, one side of the contact block (4) is connected with the movable plate (2), and the other side of the contact block is used for being abutted against the displacement sensor (7).
5. The test device for the repetition accuracy of a trench type photoelectric sensor according to claim 4, wherein: one side of the contact block (4) far away from the movable plate (2) is in bending connection with the test block (5).
6. The test device for the repetition accuracy of a groove-type photoelectric sensor according to claim 2, wherein: the fixed table (6) is in a U-shaped bent plate shape, the bent inner side of the fixed table (6) is provided with the driving piece (3) in a penetrating mode, and the bent bottom of the outer side of the fixed table (6) is provided with the groove-shaped photoelectric sensor (61) and the displacement sensor (7).
7. The test device for the repetition accuracy of a groove-type photoelectric sensor according to claim 1, wherein: the fixing table (6) is provided with a jig plate (8) and a fastening bolt (9), the jig plate (8) is used for fixing the groove-shaped photoelectric sensor (61), the jig plate (8) is provided with a mounting hole (81), the mounting hole (81) is in a waist-round shape, and the length direction of the mounting hole (81) is parallel to the movement direction of the moving plate (2); the rod part of the fastening bolt (9) penetrates through the mounting hole (81) to be in threaded connection with the fixed table (6), and the nut of the fastening bolt (9) is abutted to the surface of one side, far away from the fixed table (6), of the jig plate (8).
8. The test device for the repetition accuracy of a trench type photoelectric sensor according to claim 7, wherein: the jig plate (8) is far away from one side surface of the fixed table (6) and is provided with a positioning groove (82), and the positioning groove (82) is used for embedding the groove-type photoelectric sensor (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321255276.5U CN219798395U (en) | 2023-05-22 | 2023-05-22 | Test device for repeated precision of groove-type photoelectric sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321255276.5U CN219798395U (en) | 2023-05-22 | 2023-05-22 | Test device for repeated precision of groove-type photoelectric sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219798395U true CN219798395U (en) | 2023-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321255276.5U Active CN219798395U (en) | 2023-05-22 | 2023-05-22 | Test device for repeated precision of groove-type photoelectric sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219798395U (en) |
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2023
- 2023-05-22 CN CN202321255276.5U patent/CN219798395U/en active Active
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