CN112296903A

CN112296903A - Part detection device, bearing jig and clamping and positioning mechanism

Info

Publication number: CN112296903A
Application number: CN202011155746.1A
Authority: CN
Inventors: 不公告发明人
Original assignee: Wuxi Lead Intelligent Equipment Co Ltd
Current assignee: Jiangsu Lidao Technology Co.,Ltd.
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-02-02

Abstract

The invention relates to a part detection device, a bearing jig and a clamping and positioning mechanism. Along with the withdrawal of the external force, the first clamping jaw and the second clamping jaw can approach each other under the action of the elastic piece, so that the clamping space automatically retracts and clamps the part to be tested. And when the part to be measured is clamped in the clamping space, the first clamping jaw is abutted to the limiting part under the action of the elastic part. That is to say, the first clamping jaw can be used as the positioning benchmark of the part to be measured, thereby realizing rapid positioning of the part to be measured. Therefore, after the part to be measured is placed on the carrying platform, the part to be measured can be automatically clamped and positioned through the clamping and positioning mechanism, and therefore the positioning efficiency is remarkably improved.

Description

Part detection device, bearing jig and clamping and positioning mechanism

Technical Field

The invention relates to the technical field of mechanical automation, in particular to a part detection device, a bearing jig and a clamping and positioning mechanism.

Background

In the process of processing and detecting the parts, the parts are required to be positioned at the preset positions of the workbench. Currently, a common positioning method is based on visual positioning. The CCD module is used for photographing, and then the position of the workpiece is adjusted through the servo mechanism. However, this positioning is inefficient.

Disclosure of Invention

In view of the above, it is necessary to provide a part detecting device, a carrying jig, and a clamping and positioning mechanism capable of quickly positioning a part.

A clamp positioning mechanism (130), comprising:

a support base (131);

the clamping piece (132) comprises a first clamping jaw (1321) and a second clamping jaw (1322) which are oppositely arranged on the supporting seat (131), and a clamping space for clamping a part to be tested (20) is formed between the first clamping jaw (1321) and the second clamping jaw (1322);

the limiting piece (133) is arranged on the supporting seat (131) and is positioned on one side, facing the second clamping jaw (1322), of the first clamping jaw (1321); and

the elastic piece (134) provides elastic force for the first clamping jaw (1321) and the second clamping jaw (1322) so that the first clamping jaw (1321) and the second clamping jaw (1322) have a tendency of approaching to each other in clamping, and when the part to be tested (20) is clamped in the clamping space, the first clamping jaw (1321) abuts against the limiting piece (133) under the action of the elastic piece (134).

In one embodiment, the elastic member (134) includes a first compression spring (1341) and a second compression spring (1342), one end of the first compression spring (1341) abuts against the support seat (131), the other end of the first compression spring abuts against one side of the first clamping jaw (1321) facing away from the second clamping jaw (1322), one end of the second compression spring (1342) abuts against the support seat (131), and the other end of the second compression spring abuts against one side of the second clamping jaw (1322) facing away from the first clamping jaw (1321).

In one embodiment, the first compression spring (1341) provides a greater spring force than the second compression spring (1342).

In one embodiment, the position of the limiting member (133) on the supporting seat (131) is adjustable.

In one embodiment, the clamping device further comprises a clamping driving assembly (135), wherein the clamping driving assembly (135) is abutted against the first clamping jaw (1321) and the second clamping jaw (1322) so as to drive the first clamping jaw (1321) and the second clamping jaw (1322) to move away.

In one embodiment, the clamp drive assembly (135) comprises:

a first drive plate (1351) slidably mounted to the support base (131), the first jaw (1321) being secured to the first drive plate (1351);

a first clamp drive (1352) abutting the first drive plate (1351) to urge the first drive plate (1351) to slide in a direction away from the second jaw (1322);

a second driving plate (1353) slidably disposed on the supporting base (131), the second clamping jaw (1322) being fixed to the second driving plate (1353);

a second clamp drive (1354) abutting the second drive plate (1353) to urge the second drive plate (1353) to slide in a direction away from the first jaw (1321).

In one embodiment, the clamping device comprises a plurality of clamping pieces (132), a plurality of first clamping jaws (1321) are arranged on the first transmission plate (1351) at intervals, and a plurality of second clamping jaws (1322) are arranged on the second transmission plate (1353) at intervals.

A carrying fixture (100) comprising:

a mounting plate (110);

the carrier (120) is arranged on the mounting plate (110) and is used for bearing the part (20) to be tested; and

the clamping and positioning mechanism (130) according to any of the above preferred embodiments, wherein the clamping and positioning mechanism (130) is disposed on the mounting plate (110), and the clamping space can clamp the part to be measured (20) carried on the carrier (120).

In one embodiment, a first chuck (121) is disposed on the carrying surface of the carrier (120).

In one embodiment, the mounting plate (110) is provided with a plurality of carriers (120) arranged at intervals, and the clamping and positioning mechanism (130) comprises a plurality of clamping pieces corresponding to the carriers (120) in a one-to-one manner.

In one embodiment, the part to be tested (20) comprises a flat cable (21), the bearing jig (100) further comprises a turnover mechanism (140) arranged on the mounting plate (110), and the turnover mechanism (140) can grab the flat cable (21) and drive the flat cable (21) to turn over relative to the part to be tested (20).

In one embodiment, the folding mechanism (140) comprises:

the horizontal driving assembly (141) is arranged on the mounting plate (110) and is arranged at intervals with the clamping and positioning mechanism (130) in a first direction;

the vertical driving assembly (142) is arranged at the driving end of the horizontal driving assembly (141), and the horizontal driving assembly (141) can drive the vertical driving assembly (142) to move along the first direction;

the rotary driving assembly (143) is arranged at the driving end of the vertical driving assembly (142), the vertical driving assembly (142) can drive the rotary driving assembly (143) to move along a second direction perpendicular to the first direction, and a second sucker (144) capable of sucking the flat cable (21) is arranged at the rotating end of the rotary driving assembly (143).

In one embodiment, the apparatus further comprises a holding member (150), the holding member (150) comprising:

a support (151) that is fixed to the stage (120);

the support block (152) is arranged on the support (151) and can slide along the direction vertical to the bearing surface of the carrying platform (120), the support block (152) and the support (151) are elastically supported, and the support block (152) is positioned at the edge of the carrying platform (120) and can support the flat cable (21) of the part (20) to be tested positioned on the carrying platform (120).

A part inspection apparatus comprising:

the carrying fixture (100) according to any one of the above preferred embodiments; and

the detection mechanism (200) is positioned on one side of the bearing jig (100), and the detection mechanism (200) is used for scanning the surface of the part to be detected (20) borne on the carrying platform (120).

In one embodiment, the device further comprises a translation driving mechanism (300), the carrying fixture (100) is arranged on the translation driving mechanism (300), and the translation driving mechanism (300) can drive the carrying fixture (100) to slide along a preset direction.

According to the part detection device, the bearing jig and the clamping and positioning mechanism, the clamping space can be opened firstly through external force, and then the part to be detected is placed on the carrying platform. Along with the withdrawal of the external force, the first clamping jaw and the second clamping jaw can approach each other under the action of the elastic piece, so that the clamping space automatically retracts and clamps the part to be tested. And when the part to be measured is clamped in the clamping space, the first clamping jaw is abutted to the limiting part under the action of the elastic part. That is to say, the first clamping jaw can be used as the positioning benchmark of the part to be measured, thereby realizing rapid positioning of the part to be measured. Therefore, after the part to be measured is placed on the carrying platform, the part to be measured can be automatically clamped and positioned through the clamping and positioning mechanism, and therefore the positioning efficiency is remarkably improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a part inspection apparatus according to a preferred embodiment of the present invention;

FIG. 2 is a top view of a carrier fixture of the part inspection apparatus shown in FIG. 1;

FIG. 3 is a left side view of the upper half of the carrying fixture shown in FIG. 2;

fig. 4 is a top view of the clamping and positioning mechanism in the carrying fixture shown in fig. 2;

FIG. 5 is a front view of the clamp positioning mechanism of FIG. 4;

fig. 6 is a front view of the turnover mechanism in the carrying fixture shown in fig. 2;

FIG. 7 is a left side view of the folding mechanism of FIG. 6;

fig. 8 is a schematic structural diagram of a part to be tested in this embodiment.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1, the present invention provides a component detecting device 10 and a carrying fixture 100. In addition, the present invention also provides a clamping and positioning mechanism 130. The component detecting device 10 includes a carrying fixture 100, a detecting mechanism 200, and a translation driving mechanism 300.

The carrying fixture 100 is used for positioning and carrying the part 20 to be tested as shown in fig. 8. The part 20 to be measured may be a case part such as a mobile phone case. The bearing jig 100 comprises a clamping and positioning mechanism 130, and the part 20 to be tested is positioned by the clamping and positioning mechanism 130.

The detecting mechanism 200 is located at one side of the carrying fixture 100, and the detecting mechanism 200 is used for scanning the surface of the to-be-detected component 20 carried on the carrying fixture 100. The detection mechanism 200 may be a laser scanner or a CCD scanning module.

The translation driving mechanism 300 may be a motor-equipped guide rail slider mechanism, a motor-threaded lead screw pair mechanism, or a cylinder-equipped guide rail slider mechanism. The supporting fixture 100 is disposed on the translation driving mechanism 300, and the translation driving mechanism 300 can drive the supporting fixture 100 to slide along a predetermined direction. The translation driving mechanism 300 can drive the to-be-tested part 20 on the carrying fixture 100 to be transferred from the loading position to the scanning area of the detecting mechanism 200. When the plurality of parts 20 to be tested are loaded on the loading jig 100, the plurality of parts 20 to be tested can sequentially pass through the scanning area of the detection mechanism 200 by driving the translation driving mechanism 300, so that the parts can be scanned one by one.

It should be noted that in other embodiments, the number of the detecting mechanisms 200 is the same as the number of the to-be-tested components 20 carried on the carrying fixture 100. In this case, the detecting mechanism 200 may be disposed in one-to-one correspondence with the to-be-tested part 20, and the translation driving mechanism 300 may be omitted.

Referring to fig. 2 and fig. 3, the carrying fixture 100 of the preferred embodiment of the invention includes a mounting plate 110, a carrier 120, and a clamping and positioning mechanism 130. Wherein:

the mounting plate 110 serves as a support and is typically a metal plate-like structure. The carrying fixture 100 is mounted through the mounting plate 110 and the translation driving mechanism 300.

The carrier 120 is disposed on the mounting plate 110 and is used for carrying the part 20 to be tested. The carrier 120 may be a metal block structure with high rigidity. The part 20 to be tested is supported on the supporting surface of the carrier, and when the mounting plate 110 is placed on the horizontal surface, the supporting surface is parallel to the horizontal surface.

In order to prevent the to-be-measured component 20 from sliding off the carrier 120, in the embodiment, a first suction pad 121 is disposed on the carrying surface of the carrier 120. The first suction cup 121 may be a vacuum cup communicating with a vacuum pump, and suction is performed by vacuum pumping. The first suction pad 121 can be sucked to the surface of the part 20 to be tested on the carrying surface of the carrier 120, so as to fix the part 20 to be tested on the carrier 120 reliably.

In order to detect the side surfaces of a plurality of parts to be detected 20 at one time, the detection efficiency is improved. Specifically, in the present embodiment, the mounting plate 110 is provided with a plurality of stages 120 arranged at intervals. Each carrier 120 can carry a part 20 to be tested. More specifically, the plurality of stages 120 are provided at intervals in the upward direction of the driving of the translation driving mechanism 300. During detection, the translation driving mechanism 300 can drive the mounting plate 110 to slide, so that the plurality of stages 120 sequentially pass through the scanning area of the detection mechanism 200, and the surfaces of the plurality of parts to be detected 20 are detected one by one.

Referring to fig. 4 and 5, the clamping and positioning mechanism 130 includes a supporting base 131, a clamping member 132, a limiting member 133 and an elastic member 134.

The supporting seat 131 supports the clamping and positioning mechanism 130 and is generally plate-shaped. The support base 131 is disposed on the mounting plate 110, so that the entire clamping and positioning mechanism 130 is mounted on the mounting plate 110.

The clamping member 132 is disposed on the supporting base 131, and is used for clamping the part 20 to be measured and positioning the part 20 to be measured at a predetermined position of the carrier 120. Specifically, in the present embodiment, the clamping and positioning mechanism 130 includes a plurality of clamping members 132, and the plurality of clamping members 132 correspond to the plurality of stages 120 one to one. Each clamping member 132 can clamp and position the part 20 to be measured carried on the corresponding carrier 120.

The clamping member 132 includes a first clamping jaw 1321 and a second clamping jaw 1322 disposed opposite to the supporting base 131. A clamping space for clamping the part 20 to be tested is formed between the first clamping jaw 1321 and the second clamping jaw 1322. The clamping space can be expanded and retracted, the clamping space is expanded to facilitate the placement of the part 20 to be measured on the carrier 120, and the clamping space is retracted to clamp and position the part 20 to be measured on the carrier 120. Specifically, the first clamping jaw 1321 and the second clamping jaw 1322 may be disposed on the mounting plate 131 in a sliding or rotating manner, and the first clamping jaw 1321 and the second clamping jaw 1322 may be moved closer to or away from each other by rotating or sliding, so as to expand or retract the clamping space.

The limiting member 133 is disposed on the supporting base 131 and located on a side of the first clamping jaw 1321 facing the second clamping jaw 1322. The position-limiting member 133 may be a block, column or protrusion structure welded, screwed or clamped on the mounting plate 131.

The elastic member 134 may be a spring, a leaf spring, or an elastic string. The elastic member 134 provides an elastic force to the first clamping jaw 1321 and the second clamping jaw 1322, so that the first clamping jaw 1321 and the second clamping jaw 1322 have a tendency to approach each other. That is, the first clamping jaw 1321 and the second clamping jaw 1322 will achieve self-clamping under the elastic force of the elastic member 134 without external force.

In this embodiment, the elastic element 134 includes a first compression spring 1341 and a second compression spring 1342, one end of the first compression spring 1341 abuts against the supporting seat 131, and the other end abuts against one side of the first clamping jaw 1321, which is opposite to the second clamping jaw 1322; one end of the second compression spring 1342 abuts against the supporting seat 131, and the other end abuts against one side of the second clamping jaw 1322 facing away from the first clamping jaw 1321.

First compression spring 1341 provides first jaw 1321 with a spring force directed toward second jaw 1322, and second compression spring 1342 provides second jaw 1322 with a spring force directed toward first jaw 1321. Therefore, the first and

second jaws

1321 and 1322 have a tendency to approach each other by the first and second compression springs 1341 and 1342.

More specifically, a second stop block 138 may be disposed on a side of the first clamping jaw 1321 facing away from the second clamping jaw 1322, and a spring abutting seat 139 may be disposed on a side of the second clamping jaw 1322 facing away from the first clamping jaw 1321. The second stopper 138 and the spring abutting seat 139 are fixed on the supporting seat 131. Wherein, the first compression spring 1341 is clamped between the second stop block 138 and the first clamping jaw 1321; a second compression spring 1342 is captured between spring abutment 139 and second jaw 1322.

When the part 20 is clamped in the clamping space, the first clamping jaw 1321 abuts against the stopper 133 by the elastic member 134. Since the position of the limiting member 133 on the supporting seat 131 remains unchanged, the position of the first clamping jaw 1321 is fixed each time the part 20 to be measured is clamped. Therefore, first clamping jaw 1321 can be used as a positioning reference for part to be measured 20, so as to realize quick positioning of part to be measured 20.

It should be noted that the first clamping jaw 1321 and the second clamping jaw 1322 are not specific, and are only used for distinguishing the two clamping jaws constituting the clamping member 132. In the embodiment, the left-hand clamping jaw is a first clamping jaw 1321, and the right-hand clamping jaw is a second clamping jaw 1322; in other embodiments, the right-hand jaw may be used as the first jaw 1321 and the left-hand jaw may be used as the second jaw 1322.

Further, in the present embodiment, the elastic force provided by the first compression spring 1341 is greater than the elastic force provided by the second compression spring 1342. The first compression spring 1341 may have a greater spring constant or precompression than the second compression spring 1342, such that it generates a greater spring force than the second compression spring 1342. Thus, when the part 20 to be measured is clamped, the first clamping jaw 1321 is ensured to abut against the limiting member 133.

When the component 20 to be tested is positioned on the carrying fixture 100, the first clamping jaw 1321 and the second clamping jaw 1322 can be separated from each other by an external force, so that the clamping space is opened; the part 20 to be tested is then placed on the stage 120. Then, the first clamping jaw 1321 and the second clamping jaw 1322 can approach each other under the action of the elastic member 134 when the external force is removed, so that the clamping space automatically retracts and clamps the to-be-tested component 20 until the first clamping jaw 1321 abuts against the limiting member 133. Therefore, after the part 20 to be measured is placed on the carrier 120, the part 20 to be measured can be automatically clamped and positioned by the clamping and positioning mechanism 130, so that the positioning efficiency is remarkably improved.

In this embodiment, the position of the limiting member 133 on the supporting seat 131 is adjustable. Specifically, the limiting member 133 can be mounted on the supporting base 131 by fastening or clamping. When the position of the limiting member 133 is changed, the size of the clamping space when the clamping member 132 clamps the part 20 to be measured is also changed. Therefore, the clamping and positioning mechanism 130 can be applied to clamping and positioning of parts of various models, and compatibility of the bearing jig 100 is improved.

In this embodiment, the clamping and positioning mechanism 130 further includes a clamping driving assembly 135, and the clamping driving assembly 135 is abutted against the first clamping jaw 1321 and the second clamping jaw 1322 to drive the first clamping jaw 1321 and the second clamping jaw 1322 to move away from each other.

The clamping drive assembly 135 is not fixedly connected to the first clamping jaw 1321 and the second clamping jaw 1322, and is only used for driving the first clamping jaw 1321 and the second clamping jaw 1322 away from each other. When the clamping driving assembly 135 is deactivated, the first clamping jaw 1321 and the second clamping jaw 1322 approach each other by the elastic member 134, so that the clamping space is automatically retracted and clamps the to-be-tested part 20.

Further, in the present embodiment, the clamp driving assembly 135 includes a first driving plate 1351, a first clamp driving member 1352, a second driving plate 1353, and a second clamp driving member 1354. Wherein:

the first driving plate 1351 is slidably disposed on the supporting base 131, and the first clamping jaw 1321 is fixed to the first driving plate 1351. The first driving plate 1351 has a long bar shape. In this embodiment, the clamping member 132 is provided in plurality, so the first clamping jaws 1321 are arranged on the first driving plate 1351 at intervals. A second driving plate 1353 is slidably disposed on the supporting base 131, and a second clamping jaw 1322 is fixed to the second driving plate 1353. The second driving plate 1353 is also elongated and extends in the same direction as the first driving plate 1351. Similarly, a plurality of second jaws 1322 are spaced apart from second drive plate 1354.

The first transmission plate 1351 and the second transmission plate 1353 can be mounted on the supporting seat 131 by way of rail-slider fitting. Moreover, the first driving plate 1351 and the second driving plate 1353 slide along the supporting seat 131, so as to drive the plurality of first clamping jaws 1321 to approach or separate from the corresponding second clamping jaws 1322. Therefore, the plurality of clamping members 132 can be retracted or extended simultaneously by the first and

second driving plates

1351 and 1354, thereby further improving the operation efficiency.

In addition, the position of the first plurality of clamping jaws 1321 on the first drive plate 1351 is adjustable and the position of the second plurality of clamping jaws 1322 on the second drive plate 1353 is adjustable. Specifically, the first driving plate 1351 may have a plurality of elongated holes (not shown) extending along a length direction, and each of the first clamping jaws 1321 may be mounted on the first driving plate 1351 by a threaded fastener and engaging with the corresponding elongated hole. Second jaw 1322 may be mounted to second drive plate 1353 in the same manner to provide position adjustability. In this way, the relative position between the first clamping jaw 1321 and the second clamping jaw 1322 can be adjusted as required, so as to accommodate the assembly error of the carrying fixture 100.

The first and second clamp drives 1352, 1354 may be air cylinders or linear motors. Wherein the first clamp actuator 1352 abuts the first drive plate 1351 to urge the first drive plate 1351 to slide in a direction away from the second jaw 1322; the second clamp drive 1354 abuts the second drive plate 1353 to urge the second drive plate 1353 to slide in a direction away from the first jaw 1321. That is, the first clamp actuator 1352 is not fixedly coupled to the first drive plate 1351, and the second clamp actuator 1354 is not fixedly coupled to the second drive plate 1353. Therefore, when the first clamping jaw 1321 and the second clamping jaw 1322 approach each other, the moving distance of the first clamping jaw 1321 and the second clamping jaw 1322 can be automatically controlled by the elastic member 134, and the size of the clamping space can be floated within a certain range.

The dimension of the part 20 to be measured has an error and fluctuates within a certain range. When the size of the clamping space of the clamping member 132 can also float within a certain range, the clamping positioning mechanism 130 can meet the clamping requirement of the working condition that the size of the part 10 to be measured has errors.

Specifically, in the present embodiment, the clamping driving assembly 135 further includes a first connecting plate 1355 and a second connecting plate 1356. The first connecting plate 1355 and the second connecting plate 1356 may have the same structure, and may have a metal plate structure. The first connecting plate 1355 is fixedly connected to the first driving plate 1351, and the first clamp driving member 1352 abuts against the first connecting plate 1355; a second web 1356 is fixedly connected to the second drive plate 1353 and a second clamp drive 1354 abuts the second web 1356.

That is, the first and

second clamp drivers

1352 and 1354 are in contact with the first and

second drive plates

1351 and 1353 via the first and

second connection plates

1355 and 1356, respectively. In this way, the first and

second clamping drivers

1352 and 1354 can be more conveniently arranged.

In this embodiment, the clamping and positioning mechanism 130 further includes a fixing seat 136 and a lifting driving member 137. The lifting driving member 137 is disposed on the fixing seat 136, the supporting seat 131 is slidably mounted on the fixing seat 136, and the driving end of the lifting driving member 137 is in transmission connection with the supporting seat 131 to drive the supporting seat 131 to lift relative to the fixing seat 136.

The fixing seat 136 may be a vertical plate structure vertically disposed on the mounting plate 110, and the supporting seat 131 is installed with the mounting plate 110 through the fixing seat 136. The supporting seat 131 can be connected with the fixed seat 136 through a wire-track slider structure. The lift driving member 137 may be a linear motor, or an air cylinder. When the to-be-tested part 20 is placed on the carrier 120, the lifting driving member 137 can drive the supporting base 131 to descend until the clamping member 132 moves to the lower side of the carrier 120 along with the supporting base 131. At this time, the carrying surface of the carrier 120 protrudes out of the clamping member 132, so that the clamping member 132 can be prevented from interfering with the operation of placing the to-be-tested part 20. When the part 20 to be tested needs to be clamped and positioned, the lifting driving member 137 drives the supporting seat 131 to rise until the clamping member 132 is substantially flush with the part 20 to be tested on the carrying platform 120.

As shown in fig. 8, the component 20 to be tested generally includes a flat cable 21, and the flat cable 21 generally extends from the middle of the component 20 to the outside of the surface of the component 20 to be tested. Therefore, the flat cable 21 will partially shield the surface of the part 20 to be tested, thereby interfering with the inspection of the surface of the part 20 to be tested.

To solve the above problems. Referring to fig. 1 and fig. 2 again, in the embodiment, the carrying fixture 100 further includes a folding mechanism 140 disposed on the mounting plate 110, and the folding mechanism 140 can grab the flat cable 21 and drive the flat cable 21 to turn over relative to the component 20 to be tested.

The folding mechanism 140 can grasp the flat cable 21 by clamping and sucking, and turn over the flat cable 21, so that the flat cable 21 is folded from the surface of the part 20 to be tested. Usually, the folding mechanism 140 needs to turn the flat cable 21 by 90 degrees, so as to minimize the projection of the flat cable 21 on the surface of the component 20 to be tested.

The flow of the part inspection apparatus 10 inspecting the part 20 to be inspected is roughly as follows: the translation driving mechanism 300 drives the bearing jig 100 to move within the scanning range of the detection mechanism 200, and the detection mechanism 200 collects the surface information of the part 20 to be detected; then, the folding mechanism 140 operates to fold the flat cable 21; then, the translation driving mechanism 300 drives the carrying fixture 100 to move within the scanning range of the detecting mechanism 200 again. At this time, since the flat cable 21 is folded, the originally shielded region on the surface of the part 20 is exposed, so that the inspection mechanism 200 can easily scan the whole area of the part 20.

Further, referring to fig. 6 and 7, in the present embodiment, the folding mechanism 140 includes a horizontal driving assembly 141, a vertical driving assembly 142, a rotating driving assembly 143, and a second suction cup 144.

The horizontal driving assembly 141 is disposed on the mounting plate 110 and spaced apart from the clamp positioning mechanism 130 in the first direction. The horizontal drive assembly 141 may be a motor-screw pair mechanism, an electric cylinder, or an air cylinder. The vertical driving assembly 142 is disposed at a driving end of the horizontal driving assembly 141, and the horizontal driving assembly 141 can drive the vertical driving assembly 142 to move along the first direction. The vertical drive assembly 142 may also be a motor-screw pair mechanism, an electric cylinder, or an air cylinder horizontal drive assembly 141. The folding mechanism 140 further includes a support 145, the support 145 being fixed to the drive end of the horizontal drive assembly 141 and the vertical drive assembly 142 being fixed to the support 145.

The rotation driving assembly 143 is disposed at a driving end of the vertical driving assembly 142, and the vertical driving assembly 142 can drive the rotation driving assembly 143 to move along a second direction perpendicular to the first direction. Specifically, the first direction refers to a vertical direction shown in fig. 1, and the second direction refers to a direction perpendicular to the sheet of the drawing. The rotating end of the rotating driving component 143 is provided with a second suction cup 144 capable of sucking the flat cable 21. The second suction cup 144 may be a vacuum cup for sucking the flat cable 21.

More specifically, the rotary drive assembly 143 includes a motor 1431, a pulley 1432, and a rotary shaft 1433. The motor 1431 drives the rotation shaft 1433 to rotate through the belt pulley 1432, and the second suction cup 144 is disposed on the rotation shaft 1433. As the rotating shaft 1433 rotates, the second suction cup 144 drives the sucked flat cable 21 to turn.

When the folding mechanism 140 is activated, the horizontal driving assembly 141 moves the vertical driving assembly 142 toward the clamping and positioning mechanism 130 along the first direction until the second suction cup 144 is located above the stage 120. Then, the vertical driving assembly 142 drives the rotary driving assembly 143 to descend until the second suction cup 144 abuts against and adsorbs the flat cable 21 of the part 20 to be tested on the stage 120. Finally, the rotation driving assembly 143 drives the second suction cup 144 to rotate, so as to fold the flat cable 21.

When the turnover mechanism 140 does not perform the turnover operation, the horizontal driving assembly 141 can drive the vertical driving assembly 142, the rotation driving assembly 143, and the second suction cup 144 to be away from the upper side of the carrier 120 to form a clearance, so as to conveniently place the to-be-measured part 20 on the carrier 120.

Further, referring to fig. 2 and fig. 3 again, in the present embodiment, the carrying fixture 100 further includes a supporting member 150. The supporting assembly 150 includes a support 151 and a supporting block 152. Wherein:

the support 151 is fixedly arranged with respect to the stage 120. Specifically, the support 151 may be directly fixed to the carrier 120, or may be fixed to the mounting plate 110. The supporting block 152 is disposed on the supporting base 151 and is slidable along a direction perpendicular to the supporting surface of the carrier 120. Moreover, the supporting block 152 and the supporting seat 151 are elastically supported, and the supporting block 152 is located at the edge of the carrier 120 and can support the flat cable 21 of the component 20 to be measured located on the carrier 120.

The holder block 152 may be slidably mounted with the holder 151 by means of a rail slider. Also, the carrier block 152 may be a metal block having a good rigidity and a flat surface. In the initial state, the surface of the support block 152 may be substantially flush with the carrying surface of the carrier 120. In this way, the flat cable 21 of the component 20 to be measured on the stage 120 can be supported well. The support block 152 provides support for the folding mechanism 140 during grasping of the flat cable 21, thereby facilitating grasping.

The supporting member 150 further includes a buffer spring 153, and the buffer spring 153 is clamped between the support 151 and the supporting block 152. Also, the elastic force direction of the buffer spring 153 coincides with the sliding direction of the holder 152, thereby achieving elastic support between the holder 152 and the support 151. Because the supporting block 152 is elastically supported by the supporting seat 151, the supporting block 152 can float relative to the supporting seat 151 under the action of an external force. Therefore, when the folding mechanism 140 grips the flat cable 21 and contacts the holding block 152, the holding block 152 can buffer by floating, so as to prevent the portion of the folding mechanism 140 for gripping the flat cable 21, such as the portion of the second suction cup 144 that is damaged by the hard contact between the holding block 152 and the flat cable.

The part detection device 10, the carrying fixture 100 and the clamping and positioning mechanism 130 can open the clamping space by external force, and then place the part 20 to be detected on the carrier 120. With the withdrawal of the external force, the first clamping jaw 1321 and the second clamping jaw 1322 can approach each other by the elastic member 134, so that the clamping space is automatically retracted and clamps the component 20 to be tested. When the part 20 is clamped in the clamping space, the first clamping jaw 1321 abuts against the stopper 133 under the action of the elastic member 134. That is, first clamping jaw 1321 may serve as a positioning reference for part under test 20, thereby achieving quick positioning of part under test 20. Therefore, after the part 20 to be measured is placed on the carrier 120, the part 20 to be measured can be automatically clamped and positioned by the clamping and positioning mechanism 130, so that the positioning efficiency is remarkably improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A clamp positioning mechanism (130), comprising:

a support base (131);

2. The clamping and positioning mechanism (130) according to claim 1, wherein the elastic member (134) includes a first compression spring (1341) and a second compression spring (1342), one end of the first compression spring (1341) abuts against the support seat (131), the other end abuts against one side of the first clamping jaw (1321) facing away from the second clamping jaw (1322), one end of the second compression spring (1342) abuts against the support seat (131), and the other end abuts against one side of the second clamping jaw (1322) facing away from the first clamping jaw (1321).

3. The clamp positioning mechanism (130) of claim 2, wherein the first compression spring (1341) provides a greater spring force than the second compression spring (1342).

4. The clamping positioning mechanism (130) according to claim 1, wherein the position of the stop (133) on the support (131) is adjustable.

5. The clamping positioning mechanism (130) of claim 1, further comprising a clamping drive assembly (135), wherein the clamping drive assembly (135) abuts the first clamping jaw (1321) and the second clamping jaw (1322) to drive the first clamping jaw (1321) and the second clamping jaw (1322) away from each other.

6. The clamp positioning mechanism (130) of claim 5, wherein the clamp drive assembly (135) comprises:

7. The clamping and positioning mechanism (130) of claim 6, including a plurality of said clamping members (132), and a plurality of said first clamping jaws (1321) are spaced apart on said first drive plate (1351), and a plurality of said second clamping jaws (1322) are spaced apart on said second drive plate (1353).

8. A carrying fixture (100), comprising:

a mounting plate (110);

the clamping and positioning mechanism (130) of any one of claims 1 to 7, wherein the clamping and positioning mechanism (130) is disposed on the mounting plate (110), and the clamping space is capable of clamping the part to be measured (20) carried on the carrier (120).

9. The carrying tool (100) of claim 8, wherein the carrying surface of the carrier (120) is provided with a first suction cup (121).

10. The carrying fixture (100) of claim 8, wherein the mounting plate (110) is provided with a plurality of the stages (120) arranged at intervals, and the clamping and positioning mechanism (130) comprises a plurality of the clamping members corresponding to the plurality of the stages (120) one by one.

11. The carrying fixture (100) according to claim 8, wherein the part to be tested (20) comprises a flat cable (21), the carrying fixture (100) further comprises a folding mechanism (140) disposed on the mounting plate (110), and the folding mechanism (140) can grab the flat cable (21) and drive the flat cable (21) to turn over relative to the part to be tested (20).

12. The carrying fixture (100) according to claim 11, wherein the turnover mechanism (140) comprises:

13. The carrying fixture (100) according to claim 11, further comprising a holding assembly (150), the holding assembly (150) comprising:

a support (151) that is fixed to the stage (120);

14. A part inspection apparatus, comprising:

the carrying fixture (100) according to any one of claims 8 to 13; and

15. The component detecting apparatus according to claim 14, further comprising a translation driving mechanism (300), wherein the carrying fixture (100) is disposed on the translation driving mechanism (300), and the translation driving mechanism (300) can drive the carrying fixture (100) to slide along a predetermined direction.