CN220625191U - Positioning device and image batch detection equipment - Google Patents

Abstract

The utility model belongs to the technical field of detection equipment, and discloses a positioning device and image batch detection equipment, wherein the positioning device is provided with a first reference plane and a second reference plane, the first reference plane is used for laminating and positioning a workpiece adjacent to the first reference plane, the second reference plane is used for laminating and positioning a workpiece adjacent to the second reference plane, and the first reference plane and the second reference plane are respectively provided with a plurality of first grooves; the divider is configured to be disposed between any two adjacent workpieces, the divider being provided with a first measurement reference structure. The first grooves are arranged to enable a plurality of hanging parts to exist on the workpiece, and the size and/or the form and position tolerance of the workpiece can be detected and calculated by acquiring the hanging parts on the workpiece; through set up first measurement reference structure on the separator for this positioner can fix a position a plurality of work pieces in the unlimited size, and can not shelter from the edge feature of work piece, showing the commonality that has improved positioner, promoted the detection efficiency that detects the work piece.

Description

Positioning device and image batch detection equipment

Technical Field

The utility model relates to the technical field of detection equipment, in particular to a positioning device and image batch detection equipment.

Background

The image measuring instrument is a novel non-contact accurate measuring instrument integrating graphic imaging, optoelectronics, pattern recognition and the like on the basis of the traditional measuring instrument. The main function of the image measuring instrument is to perform microscopic detection on various parts, and the instrument is required to have higher stability so as to ensure the accuracy of a measuring result. However, the components such as a measuring table surface and a movable sliding rail of the conventional image measuring instrument displace when the instrument is required to work, and the conditions all cause the measured object to deviate and be in an unstable state, so that the measuring result is influenced. Therefore, in the prior art, a clamp is generally used to clamp and fix the object to be measured.

For example, chinese patent publication No. CN215217498U discloses a fixture for batch detection of standard components of an imager, the fixture includes a push head, a spring, an acrylic plate base and a frame, the acrylic plate base is mounted in the frame, at least one side edge of the acrylic plate base is provided with a plurality of standard component placing grooves, the mouth of each standard component placing groove is correspondingly provided with a push head, the push head is connected with a drawing rod, the drawing rod passes through the frame and then extends outwards to form a drawing end, and the spring is sleeved on the drawing rod and precompressed on the push head and the inner wall of the frame.

However, the above technical solution still has the following technical problems: the standard component placement groove of the clamp can only be used for placing standard components with specific shapes and sizes, and the universality is poor.

Disclosure of Invention

The utility model aims to provide a positioning device and image batch detection equipment so as to solve the technical problem of poor universality of the existing detection device.

To achieve the purpose, the utility model adopts the following technical scheme:

in one aspect, the utility model provides a positioning device, which is used for positioning a plurality of workpieces on a workbench, wherein the workpieces are arranged on the workbench in a rectangular array, and the positioning device comprises a reference table and a partition piece, wherein the reference table is provided with a first reference plane and a second reference plane which are vertically distributed, the first reference plane is used for positioning the workpieces adjacent to the first reference plane in a fitting way, the second reference plane is used for positioning the workpieces adjacent to the second reference plane in a fitting way, and the first reference plane and the second reference plane are respectively provided with a plurality of first grooves;

the divider is configured to be disposed between any two adjacent workpieces, the divider being provided with a first measurement datum for conforming to and positioning the workpieces adjacent to the first measurement datum.

Preferably, the first measurement reference structure includes a third reference plane and a second groove disposed on the third reference plane, the third reference plane is an end surface of the spacer, and the third reference plane is used for being attached to an adjacent workpiece.

Preferably, the first measurement reference structure includes a bump provided on an end surface of the spacer, and the bump is used for adhering to the adjacent workpiece.

Preferably, a second measuring reference structure is arranged at one end of the partition piece along the length direction, and the second measuring reference structure and the first measuring reference structure are respectively attached to adjacent side surfaces of the same workpiece.

Preferably, the positioning device further comprises a sliding seat, the separating piece is slidably arranged on the sliding seat along the length direction of the sliding seat, the length direction of the sliding seat is perpendicular to the first reference plane or the second reference plane, and the length direction of the sliding seat is perpendicular to the length direction of the separating piece.

Preferably, one end of the partition piece along the length direction is further provided with a sliding block, and the second measurement reference structure is positioned between the sliding block and the first measurement reference structure along the length direction of the partition piece; the sliding seat is provided with a first sliding groove, the first sliding groove extends along the length direction of the sliding seat, and the sliding block is arranged on the first sliding groove in a sliding manner.

Preferably, the sliding seat is provided with a limiting structure, and the limiting structure can limit the separation piece to be separated from the sliding seat.

Preferably, the plurality of spacers are arranged, and the plurality of spacers are distributed at intervals along the length direction of the sliding seat and are all slidably positioned on the sliding seat.

Preferably, the separator comprises a first separator, a second separator and/or a third separator, wherein the first separator is in a shape of a Chinese character 'yi', the second separator is in a shape of a Chinese character 'ding', and the third separator is in a shape of a Chinese character 'ji'.

On the other hand, the utility model also provides image batch detection equipment, which comprises an imager, and the positioning device according to any one of the schemes is arranged on the workbench of the imager.

The utility model has the beneficial effects that:

the utility model provides a positioning device and image batch detection equipment, wherein the positioning device comprises a reference table and a partition piece, the reference table is used for positioning a plurality of workpieces on the workbench, the workpieces are arranged on the workbench in a rectangular array, the reference table is provided with a first reference plane and a second reference plane which are vertically distributed, the first reference plane is used for laminating and positioning the workpieces adjacent to the first reference plane, the second reference plane is used for laminating and positioning the workpieces adjacent to the second reference plane, and the first reference plane and the second reference plane are respectively provided with a plurality of first grooves; the spacer is configured to be disposed between any two adjacent workpieces, the spacer being provided with a first measurement reference structure for conforming to and positioning the workpieces adjacent the first measurement reference structure. When the size and/or the form and position tolerance of the workpiece are required to be detected, the workpiece is attached to the first reference plane and/or the second reference plane, and as a plurality of first grooves are formed in the first reference plane and the second reference plane, a plurality of hanging parts are arranged on the workpiece, and the size and/or the form and position tolerance of the workpiece can be detected and calculated by acquiring the hanging parts of the workpiece; when a plurality of workpieces are arranged in a rectangular array on a workbench, two arbitrary adjacent workpieces are separated by the aid of the separating piece, a first measuring reference structure is arranged on the separating piece, and the separating piece is matched with the first reference plane and/or the second reference plane, so that the positioning device can position the workpieces while the size is not limited, edge features of the workpieces are not blocked, universality of the positioning device is remarkably improved, and detection efficiency of detecting the workpieces is improved.

Drawings

FIG. 1 is a schematic view of a positioning device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a spacer of a positioning device according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a slide seat of a positioning device according to an embodiment of the utility model;

FIG. 4 is a schematic diagram of a positioning device according to a second embodiment of the present utility model;

FIG. 5 is a schematic view of a spacer of a positioning device according to a second embodiment of the present utility model;

fig. 6 is a schematic structural diagram of a positioning device according to a third embodiment of the present utility model when detecting a workpiece.

In the figure:

1. a reference stage; 11. a first reference plane; 12. a second reference plane; 13. a first groove;

2. a workpiece;

3. a partition; 31. a first end face; 32. a first measurement reference structure; 321. a second groove; 33. a second measurement reference structure; 331. a second end face; 332. a third groove; 34. a slide block; 35. a positioning block;

4. a slide; 41. a first chute; 42. a first limit structure; 43. a second limit structure;

5. a work table;

6. a first spacer group;

7. a second set of dividers;

8. and (5) assembling the group.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

The utility model provides image batch detection equipment which comprises an imager and a positioning device, wherein the positioning device is arranged on a workbench 5 of the imager. Through the combined use of the imager and the positioning device, the size and/or the form and position tolerance of the workpiece 2 can be detected in batches, and the detection efficiency and the universality of the image batch detection equipment are obviously improved. Meanwhile, the positioning device can detect the size and/or the form and position tolerance of the workpiece 2 only by being placed on the workbench 5 of the imager, and is convenient to install and simple in detection process. Specifically, the following is described.

Embodiment one:

referring to fig. 1, 2, 4 and 5, the positioning device is used for positioning a plurality of workpieces 2 on a workbench 5, the workpieces 2 are arranged on the workbench 5 in a rectangular array, the positioning device comprises a reference table 1 and a partition 3, the reference table 1 is provided with a first reference plane 11 and a second reference plane 12 which are vertically distributed, the first reference plane 11 is used for positioning the workpieces 2 adjacent to the first reference plane 11 in a fitting way, the second reference plane 12 is used for positioning the workpieces 2 adjacent to the second reference plane 12 in a fitting way, and the first reference plane 11 and the second reference plane 12 are respectively provided with a plurality of first grooves 13; the spacer 3 is configured to be disposed between any two adjacent workpieces 2, the spacer 3 being provided with a first measurement reference structure 32, the first measurement reference structure 32 being for conforming positioning of the workpiece 2 adjacent to the first measurement reference structure 32. Here, the number and shape of the first grooves 13 are not limited.

When the size and/or the form and position tolerance of the workpiece 2 need to be detected, the workpiece 2 is placed on the workbench 5 and is attached to the first reference plane 11 and/or the second reference plane 12, and as a plurality of first grooves 13 are formed in the first reference plane 11 and the second reference plane 12, a plurality of hanging parts are arranged on the workpiece 2, and the size and/or the form and position tolerance of the workpiece 2 can be detected and calculated by acquiring the hanging parts of the workpiece 2; when a plurality of workpieces 2 are arranged in a rectangular array on the workbench 5, two adjacent workpieces 2 are separated by the separating piece 3, and the first measuring reference structure 32 is arranged on the separating piece 3, the separating piece 3 is matched with the first reference plane 11 and/or the second reference plane 12, so that the positioning device can position the workpieces 2 without limiting the size, can not shade the edge characteristics of the workpieces 2, the universality of the positioning device is obviously improved, and the detection efficiency of detecting the workpieces 2 is improved. Specifically, the workpiece 2, the separating element 3, the first reference plane 11 and the second reference plane 12 on the workbench 5 are all developed on a computer connected with an imager, when the developed image of the workpiece 2 is calculated, for a side surface of the workpiece 2 developed on the computer, a line segment is intercepted at a suspended part on each side of the side surface, specifically, at least three line segments are intercepted on each side, and then fitting calculation is performed on at least three line segments intercepted on each side to obtain the theoretical profile on the workpiece 2.

Preferably, when the workpieces 2 are stacked on the first reference plane 11, the workpiece 2 closest to the second reference plane 12 is attached to the second reference plane 12; when the workpieces 2 are stacked on the second reference plane 12, the workpiece 2 closest to the first reference plane 11 is attached to the first reference plane 11.

Specifically, the reference table 1 is fixedly arranged with a workbench 5 of an imager, a workpiece 2 and a partition 3 are sequentially placed on the workbench 5, and the workpiece 2 is rectangular.

Specifically, the form and position tolerance detected by the utility model comprises a form tolerance and a position tolerance, wherein the form tolerance comprises straightness, contour degree and the like, and the position tolerance comprises parallelism, perpendicularity, gradient, symmetry, position degree and the like.

Referring to fig. 1 and 2, the first measurement reference structure 32 includes a third reference plane, which is the first end surface 31, and a second groove 321 provided in the third reference plane, which is used for bonding with an adjacent workpiece 2. The number and shape of the second grooves 321 are not limited, and only the suspended portion of the workpiece 2 needs to be ensured, and a plurality of line segments are cut at the suspended portion of the workpiece 2. Specifically, at least three segments are required on each side of the workpiece 2 to fit the theoretical contour of the workpiece 2. Specifically, the first end face 31 is an end face of the separator 3.

Preferably, the second grooves 321 are provided in plurality, and the plurality of second grooves 321 are spaced apart along the length direction of the separator 3. The detection efficiency and the detection precision of the positioning device are improved.

As an alternative, the first measurement reference structure 32 comprises a first bump provided at the first end face 31 for engaging with an adjacent workpiece 2. The number of the first bumps is not limited, and at least three line segments may be cut from the suspended portion of the workpiece 2 to fit the outline of the edge of the workpiece 2.

Preferably, a plurality of first projections are provided, the plurality of first projections being spaced apart along the length direction of the separator 3. The detection efficiency and the detection precision of the positioning device are improved.

Optionally, one end of the partition 3 is provided with a positioning block 35, which positioning block 35 is capable of calibrating the reference position on the first reference plane 11 or the second reference plane 12. Specifically, in the present embodiment, the positioning block 35 is exemplified as an arrow shape. This arrangement also improves the aesthetic appearance of the separator 3.

Specifically, when the first measurement reference structure 32 includes the second groove 321, the maximum thickness of the positioning block 35 is smaller than the thickness of the separator 3; when the first measurement reference structure 32 is a first bump, the thickness of the portion of the positioning block 35 protruding from the first end face 31 of the spacer 3 in the thickness direction of the spacer 3 is smaller than the thickness of the first bump.

Preferably, the separator 3 is made of a photosensitive resin material.

In this embodiment, the positioning device can position the workpiece 2 with the length ranging from 100mm to 350mm and the width ranging from 30mm to 150 mm. The spacers 3 of different lengths can position workpieces 2 of different sizes. A plurality of spacers 3 of different lengths may be used in combination.

Illustratively, for a rectangular parallelepiped work piece 2 having a length ranging from 100mm to 180mm and a width ranging from 25mm to 50mm, the separation between the work pieces 2 may be performed using a separator 3 having a length of 117.5mm and a thickness of 31 mm. The longitudinal direction of the work 2 is parallel to the longitudinal direction of the separator 3.

Illustratively, for a rectangular parallelepiped work piece 2 having a length in the range of 180mm to 260mm and a width in the range of 25mm to 50mm, a partition 3 having a length of 167.5mm and a thickness of 31mm may be used for partitioning between the work pieces 2. The longitudinal direction of the work 2 is parallel to the longitudinal direction of the separator 3.

Illustratively, for a rectangular parallelepiped work piece 2 having a length ranging from 260mm to 330mm and a width ranging from 25mm to 50mm, a partition 3 having a length of 269.5mm and a thickness of 31mm may be used for partitioning between the work pieces 2. The longitudinal direction of the work 2 is parallel to the longitudinal direction of the separator 3.

Specifically, the thickness of the first measurement reference structure 32 in the thickness direction of the separator 3 is 5mm or more. Equidistant spacing of the workpieces 2 can be achieved. Preferably, the thickness of the first measurement reference structure 32 in the thickness direction of the separator 3 is 5mm.

Embodiment two:

the second embodiment includes the positioning device according to the first embodiment, and the positioning device further includes the following.

Wherein, the one end along length direction of the separating piece 3 is equipped with the second measurement reference structure 33, and the second measurement reference structure 33 and the first measurement reference structure 32 are laminated with the adjacent side of same work piece 2 respectively.

Preferably, the spacer 3 is provided at one end in the length direction with a plurality of second measurement reference structures 33, the plurality of second measurement reference structures 33 being spaced apart in the thickness direction of the spacer 3, a part of the second measurement reference structures 33 being distributed on one side of the spacer 3 in the thickness direction, and another part of the second measurement reference structures 33 being distributed on the other side of the spacer 3 in the thickness direction.

Preferably, the first reference plane 11, the second reference plane 12, the first measurement reference structure 32 and the second measurement reference structure 33 are all attached to the workpiece 2 when the workpiece 2 is inspected. The position of the workpiece 2 is more stable, and meanwhile, the size of the workpiece 2 can be acquired at the suspended part, so that the detection accuracy of the positioning device is improved. As an alternative, the first reference plane 11, the first measurement reference structure 32 and the second measurement reference structure 33 can be brought into engagement with the workpiece 2. As an alternative, the second reference plane 12, the first measurement reference structure 32 and the second measurement reference structure 33 can be brought into engagement with the workpiece 2. It will be appreciated that when only the first reference plane 11 and the second reference plane 12 are used to inspect the workpieces 2, only one workpiece 2 can be inspected at a time.

Specifically, the second measurement reference structure 33 includes a second end surface 331, and a third groove 332 provided on the second end surface 331, the second end surface 331 being for attaching to the workpiece 2. The number and shape of the third grooves 332 are not limited, and only the suspended portion of the workpiece 2 needs to be ensured, and a plurality of line segments are cut at the suspended portion of the workpiece 2.

Preferably, the third grooves 332 are provided in plurality, and the plurality of third grooves 332 are spaced apart in the thickness direction of the separator 3. The detection efficiency and the detection precision of the positioning device can be remarkably improved.

As an alternative, the second measurement reference structure 33 comprises a second bump arranged on the second end face 331, the second bump being adapted to be attached to the workpiece 2. The number of the second bumps is not limited, and at least three line segments may be cut at the suspended portion on the workpiece 2 to fit the outline of the edge of the workpiece 2.

Preferably, a plurality of second projections are provided, the plurality of second projections being spaced apart in the thickness direction of the separator 3. The detection efficiency and the detection precision of the positioning device can be remarkably improved.

Referring to fig. 1 and 3, the positioning device further includes a sliding base 4, the partition 3 is slidably disposed on the sliding base 4 along a length direction of the sliding base 4, the length direction of the sliding base 4 is perpendicular to the first reference plane 11 or the second reference plane 12, and the length direction of the sliding base 4 is perpendicular to the length direction of the partition 3. Because the separating piece 3 can slide relative to the sliding seat 4, the separating piece 3 is slidably adjusted according to the position and the shape of the workpiece 2, so that the workpiece 2 and the separating piece 3 are tightly attached, and the installation process of the whole positioning device is convenient and quick.

Preferably, one end of the slide 4 in the longitudinal direction is attached to the first reference plane 11, the longitudinal direction of the slide 4 is perpendicular to the longitudinal direction of the partition 3, and the workpiece 2 is attached to the first reference plane 11 and the second reference plane 12, respectively.

Specifically, referring to fig. 2 and 3, one end of the spacer 3 in the length direction is further provided with a slider 34, and the second measurement reference structure 33 is located between the slider 34 and the first measurement reference structure 32 in the length direction of the spacer 3; the slide 4 is provided with a first slide groove 41, the first slide groove 41 extends along the length direction of the slide 4, and the slider 34 is slidably disposed in the first slide groove 41. Preferably, the slider 34 and the second measurement reference structure 33 are of unitary construction. As an alternative, the slider 34 and the second measurement reference structure 33 are spaced apart along the length direction of the partition 3 and are each located at one end of the partition 3. Specifically, the slider 34 is provided at an end of the partition 3 remote from the positioning block 35.

Optionally, a plurality of first sliding grooves 41 are arranged at intervals in the circumferential direction of the sliding seat 4, the partition piece 3 can be slidably arranged in one of the first sliding grooves 41, and the partition piece 3 and the workpiece 2 do not interfere with each other. Preferably, four first sliding grooves 41 are provided in the circumferential direction of the slide 4, and a plurality of spacers 3 are slidably provided in each first sliding groove 41.

Specifically, the slide 4 is provided with a limit structure, which can limit the separation member 3 from being separated from the slide 4. Referring to fig. 1 to 3, the slide 4 is provided with a first limiting structure 42 and a second limiting structure 43, preferably, the first limiting structure 42 is a first limiting block or a first limiting surface disposed on the slide 4, and when the partition 3 slides relative to the slide 4, the first limiting block or the first limiting surface can limit the partition 3 from separating from the slide 4 along the length direction of the partition 3; the second limiting structure 43 is a second limiting block or a second limiting surface arranged at one end of the sliding seat 4 along the length direction, an opening communicated with the first sliding groove 41 is formed at the other end of the sliding seat 4 along the length direction, and the second limiting block or the second limiting surface can limit the separation piece 3 from being separated from the sliding seat 4 along the length direction of the sliding seat 4. As another alternative of the present embodiment, the second limiting structure 43 is a second sliding groove, which is communicated with the first sliding groove 41 and extends along the length direction of the sliding seat 4, and the groove width of the second sliding groove gradually decreases from the opening direction to the direction of the second sliding groove. It will be appreciated that the first runner 41 is located between the opening and the second runner.

Referring to fig. 1, a plurality of spacers 3 are provided, and the plurality of spacers 3 are spaced apart along the length direction of the slider 4 and are slidably disposed on the slider 4. Through the setting of a plurality of separators 3, can carry out the detection of size to a plurality of work pieces 2, and can not take place to interfere between separator 3 and the work piece 2, whole simple to operate.

Specifically, in the present embodiment, the first measurement reference structure 32, the second measurement reference structure 33, the slider 34, and the positioning block 35 are integrally molded to the partition 3. The structural strength of the positioning device is improved, and the number of parts is reduced.

The detection steps of the positioning device of this embodiment are as follows:

placing a workpiece 2 on the table 5 and attaching to the first reference plane 11 and the second reference plane 12; placing the carriage 4 on the first reference plane 11 such that the lengthwise direction of the carriage 4 is perpendicular to the first reference plane 11 or the second reference plane 12; the separator 3 is slidably inserted into the slide 4 so that the separator 3 and the workpiece 2 are alternately stacked on the reference table 1; the carriage 4 is moved so that the workpiece 2 is brought into close contact with the second reference plane 12 and the second measuring reference structure 33.

Embodiment III:

embodiment three includes the positioning device of embodiment one. Specifically, the plurality of spacers 3 are provided, and one ends of the plurality of spacers 3 away from the positioning block 35 are fixedly connected.

Specifically, referring to fig. 6, when two spacers 3 are provided, the two spacers 3 are distributed in a straight shape, and one ends of the two spacers 3 away from the positioning block 35 are fixedly connected. Thus, when the workpiece 2 is combined with the reference table 1, a plurality of workpieces 2 can be simultaneously detected.

Preferably, the two spacers 3 are integrally formed and distributed in a straight shape.

Specifically, when the three spacers 3 are provided, the three spacers 3 are distributed in a t shape, and one ends of the three spacers 3 are fixedly connected.

Preferably three dividers 3 are integrally formed in a "t" shaped distribution.

Specifically, referring to fig. 4 and 5, when the spacers 3 are provided with four, the four spacers 3 are distributed in a cross shape, and one ends of the four spacers 3 are fixedly connected. Through the perpendicular setting of four separators 3, workstation 5 is cut apart into four regions, all can place a work piece 2 in every region, can realize the detection to different size work pieces 2, and can not take place to interfere between work piece 2 and the separator 3.

Preferably, four separators 3 distributed in a cross shape are integrally formed. Specifically, referring to fig. 6, the structure formed by two separators 3 in the second named embodiment is a first separator group 6, the structure formed by four separators 3 in the second named embodiment is a second separator group 7, and the structure formed by assembling the second separator group 7 and four workpieces 2 is an assembling group 8.

In this embodiment, the length of the second separator group 7 is 202.5mm, the length of the work piece is 100-200mm, and the width is 100-150 mm.

When the number of the fitting groups 8 is plural, one first partitioning member group 6 is provided between any adjacent two of the fitting groups 8. So set up, can further promote detection efficiency. It will be appreciated that the plurality of fitting groups 8 are distributed in succession along the extension of the first reference plane 11; or, the plurality of fitting groups 8 are distributed in order along the extending direction of the second reference plane 12; alternatively, the plurality of mounting groups 8 are distributed in a rectangular array.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. The positioning device is used for positioning a plurality of workpieces (2) on a workbench (5), the workpieces (2) are arranged on the workbench (5) in a rectangular array, and the positioning device is characterized by comprising a reference table (1) and a partition (3), wherein the reference table (1) is provided with a first reference plane (11) and a second reference plane (12) which are vertically distributed, the first reference plane (11) is used for positioning the workpieces (2) adjacent to the first reference plane (11) in a fitting way, the second reference plane (12) is used for positioning the workpieces (2) adjacent to the second reference plane (12) in a fitting way, and the first reference plane (11) and the second reference plane (12) are provided with a plurality of first grooves (13);

the separating piece (3) is configured to be arranged between any two adjacent workpieces (2), the separating piece (3) is provided with a first measuring reference structure (32), and the first measuring reference structure (32) is used for being attached and positioned on the workpieces (2) adjacent to the first measuring reference structure (32).

2. The positioning device according to claim 1, characterized in that the first measurement reference structure (32) comprises a third reference plane, which is an end face of the separator (3) for abutment with the adjacent workpiece (2), and a second groove (321) provided in the third reference plane.

3. Positioning device according to claim 1, characterized in that the first measurement reference structure (32) comprises a projection provided on an end face of the partition (3) for abutment with the adjacent workpiece (2).

4. A positioning device according to any one of claims 1-3, characterized in that one end of the separator (3) in the length direction is provided with a second measurement reference structure (33), the second measurement reference structure (33) and the first measurement reference structure (32) being respectively attached to adjacent sides of the same workpiece (2).

5. The positioning device according to claim 4, further comprising a slider (4), wherein the separator (3) is slidably disposed on the slider (4) along a length direction of the slider (4), the length direction of the slider (4) is perpendicular to the first reference plane (11) or the second reference plane (12), and the length direction of the slider (4) is perpendicular to the length direction of the separator (3).

6. Positioning device according to claim 5, characterized in that the spacer (3) is further provided with a slider (34) at one end in the length direction, the second measurement reference structure (33) being located between the slider (34) and the first measurement reference structure (32) in the length direction of the spacer (3); the sliding seat (4) is provided with a first sliding groove (41), the first sliding groove (41) extends along the length direction of the sliding seat (4), and the sliding block (34) is arranged on the first sliding groove (41) in a sliding mode.

7. Positioning device according to claim 5, characterized in that the slide (4) is provided with a limit structure capable of limiting the separation of the partition (3) from the slide (4).

8. Positioning device according to claim 5, wherein a plurality of said spacers (3) are provided, and wherein a plurality of said spacers (3) are arranged at intervals along the length direction of said slide (4) and are each slidably located in said slide (4).

9. A positioning device according to any one of claims 1-3, characterized in that the separator (3) comprises a first separator, a second separator and/or a third separator, the first separator being "one" shaped, the second separator being "t" shaped, the third separator being "cross" shaped.

10. Image batch detection apparatus comprising an imager, characterized in that it further comprises a positioning device according to any one of claims 1-9, said positioning device being placed on said table (5) of said imager.