CN216464119U

CN216464119U - High-precision quick positioning mechanism and product detection device

Info

Publication number: CN216464119U
Application number: CN202122635960.3U
Authority: CN
Inventors: 高华; 徐文兵; 郑俭; 孙倩
Original assignee: Wuxi Novo Automation Technology Corp Ltd
Current assignee: Wuxi Novo Automation Technology Corp Ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-05-10
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses a high-precision quick positioning mechanism and a product detection device, wherein the positioning mechanism comprises a base, a limiting seat and a product carrier, the base comprises a positioning base surface, the limiting seat is fixed on the positioning base surface, sliding grooves are respectively arranged between the positioning base surface and two ends of the limiting seat, a first sliding plate and a second sliding plate are respectively arranged in the two sliding grooves, positioning rods are respectively arranged at the outer end parts of the first sliding plate and the second sliding plate, positioning locking components are arranged at the tops of the positioning rods, the product carrier comprises a carrier substrate, first open grooves for the positioning rods to penetrate through are formed in two ends of the carrier substrate, and a first limiting component and a second limiting component for positioning the carrier substrate on two vertical surfaces are arranged on the base. The high-precision quick positioning mechanism has the advantages of simple structure, ingenious design and low manufacturing cost; and the replacement is quick and convenient, the positioning precision is high, the labor is saved, and the detection quality of the product is ensured.

Description

High-precision quick positioning mechanism and product detection device

Technical Field

The utility model relates to a product positioning mechanism, in particular to a high-precision quick positioning mechanism and a product detection device.

Background

The 3C product is a general term for computer, communication and consumer electronics products, such as a computer, a tablet computer, a mobile phone or a digital audio player. As is well known, 3C products include many parts, most of which are produced by using automation equipment, and in consideration of the diversity of products produced by the automation equipment and the stability of product quality, defect inspection of the parts is indispensable, and therefore, various defect inspection apparatuses have been developed and designed to perform automatic defect inspection on the parts.

The positioning mechanism is used for positioning a product or a jig carrying the product when detecting the defects, and the design quality of the positioning mechanism has great influence on the precision and the efficiency of the defect detection of the product. At present, the existing positioning mechanism for detecting the product defects generally has the defects of inconvenient disassembly and assembly and poor positioning precision.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-precision quick positioning mechanism to solve the problems of inconvenient disassembly and assembly and poor positioning precision of a product positioning mechanism in the prior art.

The utility model aims to provide a product detection device, which aims to solve the problems of low detection efficiency and poor detection precision of the product detection device in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a high-precision quick positioning mechanism comprises a positioning mechanism,

a base serving as an assembly base and comprising a positioning base surface,

a limiting seat fixed on the positioning base plane, sliding grooves are arranged between the positioning base plane and two ends of the limiting seat, a first sliding plate and a second sliding plate which can be pushed into or pulled out of the corresponding sliding grooves for a certain distance are respectively arranged in the two sliding grooves, the outer end parts of the first sliding plate and the second sliding plate are respectively provided with an upwards extending positioning rod, the top of the positioning rod is provided with a positioning locking component,

the product carrier comprises a carrier substrate, wherein two ends of the carrier substrate are provided with first open slots for the positioning rods to pass through, the base is provided with a first limiting part and a second limiting part which are arranged on two vertical surfaces and used for positioning the carrier substrate,

during positioning, the carrier substrate is placed on the limiting seat, the first sliding plate and the second sliding plate are pushed into the sliding groove for a certain distance, positioning rods on the two sliding plates penetrate through the corresponding first open grooves, and the carrier substrate is pressed on the limiting seat through the positioning locking component.

Furthermore, a first positioning plate, a second positioning plate and a third positioning plate are fixed on the carrier substrate, three positioning plates are enclosed to form an area with an opening for placing a product, the opening faces the second limiting part, the universality of the carrier is improved due to the arrangement of the opening, and the carrier substrate can be suitable for the condition of performing related operation on the surface of the product.

Further, the spacing part of second include parallel interval install in two second stoppers of a base side, the top surface height of second stopper extends to the top of the terminal surface of spacing seat, and the inboard of two second stoppers all is provided with the guide way, and two guide ways can be assembled with movably in can be used for right the spacing fly leaf of opening, the fly leaf is connected with drive arrangement, through setting up the fly leaf, can restrict the opening when needing, and the second stopper has dual function simultaneously, can carry on spacingly to the carrier base plate on one face, can regard as the guide of fly leaf again, has simplified overall structure, has reduced manufacturing cost.

Furthermore, the first limiting part comprises a first limiting block fixed at one end of the base, a notch used for avoiding the first sliding plate is formed in the first limiting block, the top surface of the first limiting block highly extends to the position above the end face of the limiting seat, and therefore the number and the form of the first limiting block can be set, the structure is simpler, and the processing is convenient on the premise that the using function of the first limiting block is guaranteed.

Furthermore, the positioning base plane is a plane, the overall dimension of the limiting seat is matched with the overall dimension of the positioning base plane, and the bottom surface of the notch is flush with the positioning base plane, so that when the first sliding plate at the end is pulled out, the first limiting block can support the first sliding plate to a certain extent.

Furthermore, the sliding groove is arranged at the bottom surface of the limiting seat close to the two ends, the depth of the sliding groove is matched with the thickness of the corresponding sliding plate, and the T-shaped heads used for preventing the sliding plate from being pulled out of the sliding groove are arranged at the inner ends of the first sliding plate and the second sliding plate, so that a precise sliding way is formed between the limiting seat and the positioning base surface, the positioning precision can be ensured, and the operation is convenient.

Further, the outer ends of the first sliding plate and the second sliding plate are provided with bosses upwards, and the two ends of the limiting seat are provided with second open grooves used for avoiding the bosses.

Furthermore, the boss is provided with a threaded hole, both ends of the positioning rod are provided with threaded sections, the positioning locking part is a knob with the outer diameter larger than the width of the first opening groove, the knob is installed at the threaded section at the top of the positioning rod through the threaded hole, the positioning rod is assembled and connected with the knob through a threaded structure, and the positioning rod is relatively simple in structure, low in cost and convenient to operate.

Further, drive arrangement is including vertical being fixed in drive actuating cylinder on the side of base, drive actuating cylinder's piston rod set up and through the connecting block with the fly leaf is connected.

The product detection device comprises a visual detection device and the high-precision quick positioning mechanism, wherein the high-precision quick positioning mechanism is used for carrying out high-precision quick positioning on a product, and the visual detection device is used for detecting the appearance defect of the product.

Compared with the prior art, the high-precision quick positioning mechanism has the advantages of simple structure, ingenious design and low manufacturing cost; moreover, the replacement is quick and convenient, the positioning precision is high, the labor is saved, and the detection quality of the product is ensured.

Drawings

Fig. 1 is a schematic perspective view of a high-precision fast positioning mechanism according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a high-precision fast positioning mechanism according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a product carrier of a high-precision quick positioning mechanism according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a limiting seat of the high-precision quick positioning mechanism according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a first sliding plate of the high-precision quick positioning mechanism according to an embodiment of the present invention;

fig. 6 is an assembly diagram of a limiting seat of the high-precision quick positioning mechanism according to an embodiment of the present invention.

Detailed Description

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be understood that when an element is referred to as being "secured to" 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," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, in the present embodiment, a high-precision fast positioning mechanism includes a base 1, a limiting seat 2 and a product carrier 3, the base 1 is a vertically disposed plate-shaped structure, which serves as an assembly base, and includes a positioning base 10 located at the top, the positioning base 10 is a rectangular planar structure, the bottom of the base 1 is provided with a connecting portion for mounting the whole positioning mechanism on a detection device, preferably, the connecting portion includes two "U" shaped grooves 11 symmetrically disposed at two sides of the bottom of the base 1, the bottom of the "U" shaped groove 11 is provided with a connecting hole 12, the whole base 1 is fixedly mounted on the corresponding detection device through the connecting hole 12, the connecting hole 12 is a strip-shaped opening hole to facilitate assembly of the base 1, the shape and size of the horizontal cross section of the limiting seat 2 are matched with the shape and size of the positioning base 10, spacing seat 2 is fixed in on the location base face 10 through set screw, be provided with between the both ends of spacing seat 2 and the location base face 10 and push or pull out one section distance in spacing seat 2 both ends first sliding plate 4 and second sliding plate 5, the appearance and the size of first sliding plate 4 and second sliding plate 5 are the same, the locating lever 6 that upwards extends is all installed to the outer tip of first sliding plate 4 and second sliding plate 5, locking knob 60 is installed on the top of locating lever 6, product carrier 3 includes carrier base plate 30, carrier base plate 30's horizontal cross-section's appearance and the size setting that also cooperate location base face 10 of size, first open slot 31 that is used for locating lever 6 to pass is seted up at carrier base plate 30's both ends.

Please refer to fig. 1, in order to ensure the positioning accuracy of the product carrier 3, a first limiting block 13 is fixed at one end of the base 1, a notch 14 for avoiding the first sliding plate 4 is formed on the first limiting block 13, and the top surface of the first limiting block 13 extends to the top of the end surface of the limiting seat 2, which is obvious, the number and form of the first limiting block 13 can ensure that the structure is simpler and the processing is convenient, the bottom surface of the notch 14 is flush with the positioning base surface 10, so that when the first sliding plate 4 at the end is taken out, the first limiting block 13 can support the first sliding plate 4 to a certain extent. Meanwhile, two second limit blocks 15 are fixed on one side surface of the base 1 at intervals in parallel, the assembling surfaces of the second limit blocks 15 and the first limit blocks 13 are mutually vertical surfaces, the top surface of each second limit block 15 extends to the upper part of the end surface of the limit seat 2,

referring to fig. 1 and 3, a first positioning plate 32, a second positioning plate 33, and a third positioning plate 34 are fixed on the carrier substrate 30, and the three positioning plates define an area for placing the product 7, which has an opening, and the opening is disposed toward the second limiting block 15, so that the opening improves the versatility of the carrier, and is suitable for the case of performing related operations on the surface of the product 7. The inboard of two second stopper 15 all is provided with the guide way, two guide ways can be equipped with along its activity and be used for the spacing fly leaf 8 of opening, fly leaf 8 is connected with drive arrangement 9, preferably, drive arrangement 9 includes vertical drive actuating cylinder 90 that is fixed in on the side of base 1, the piston rod that drives actuating cylinder 90 sets up and is connected with fly leaf 8 through connecting block 91, through setting up fly leaf 8, can restrict the opening when needing, second stopper 15 has dual function simultaneously, can carry on spacingly to carrier base plate 30 on one face, can regard as the guide of fly leaf 8 again, the overall structure is simplified, manufacturing cost is reduced.

Referring to fig. 4 to 6, in order to ensure the sliding accuracy of the first sliding plate 4 and the second sliding plate 5 and facilitate the replacement of the product carrier 3, the bottom surfaces of the limiting seat 2 near both ends are respectively provided with a square sliding chute 20, the depth of the sliding chute 20 is matched with the thickness of the corresponding sliding plate, and the inner ends of the first sliding plate 4 and the second sliding plate 5 are respectively provided with a T-shaped head 40 for preventing the T-shaped head from being pulled out of the sliding chute, so that a precise slideway is formed between the limiting seat 2 and the positioning base 10, thereby ensuring the positioning accuracy and facilitating the operation. The outer ends of the first sliding plate 4 and the second sliding plate 5 are all provided with a boss 41 upwards, and the two ends of the limiting seat 2 are all provided with a second opening groove 21 used for avoiding the boss. Set up screw hole 42 on the boss 41, the both ends of locating lever 6 all are provided with the screw thread section, and locking knob 60 is the knob that the external diameter is greater than first open slot 31 width, and locking knob 60 installs in the screw thread section department at the top of locating lever 6 through the screw hole, and locating lever 6 assembles and connects the knob through the helicitic texture, and the structure is simple relatively, and is with low costs, convenient operation.

Referring to fig. 1, during disassembly, the two locking knobs 60 do not need to be unscrewed, but only the two locking knobs 60 need to be unscrewed slightly, the first sliding plate 4 and the second sliding plate 5 are simply pulled outwards to slide towards two sides, and the product carrier 3 is taken away; when the product carrier is replaced, the carrier substrate 30 of the product carrier 3 is placed on the end face of the limiting seat 2, under the accurate limitation of the two faces of the first limiting block 13 and the two second limiting blocks 15, the two locking knobs 60 are held by hand to drive the first sliding plate 4 and the second sliding plate 5, the first sliding plate 4 and the second sliding plate 5 are made to slide towards the middle in the two grooves formed by the base 1 and the limiting seat 2, and after the product carrier is in place, the two locking knobs 60 are respectively screwed down to make the product jig be quickly and accurately positioned on the base 1; at this time, the driving cylinder 90 is driven to move to drive the movable plate 8 to move up and down, so that the rear side of the product 7 on the product carrier 3 is placed and limited when needed, and other related operations are performed on the side of the product 7.

The high-precision rapid positioning mechanism utilizes the strip-shaped precise sliding grooves designed on the bottom surfaces of the two ends of the limiting seat 2, and two precise sliding ways are formed between the limiting seat 2 and the base 1, so that the two sliding plates respectively screwed with the locking knobs 60 can slide smoothly in the high-precision rapid positioning mechanism without any power; when two sliding plates slide to the outside, rely on first stopper 13 and two second stoppers 15 under the accurate spacing in two sides, put into product carrier 3, after having changed, two sliding plates slide to the inboard, screw up two locking knob 60, accomplished the change of this station product tool promptly, need not screw down locking knob 60 at this in-process, only need simply unscrew a little locking knob 60, draw to the outside one, put into product carrier 3 by the limit, draw locking knob 60 to the inboard one, and screw can, the location is accurate, change, and is convenient, swift, quick, high-efficient.

The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but is capable of various modifications and changes without departing from the spirit and scope of the utility model, which are intended to be within the scope of the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A high-precision quick positioning mechanism is characterized by comprising,

a base serving as an assembly base and comprising a positioning base surface,

2. The mechanism as claimed in claim 1, wherein the carrier substrate has a first positioning plate, a second positioning plate and a third positioning plate fixed thereon, and the three positioning plates define an area for placing a product, the area having an opening, and the opening is disposed toward the second position-limiting member.

3. The high-precision quick positioning mechanism according to claim 2, wherein the second limiting part comprises two second limiting blocks which are arranged on one side surface of the base at intervals, the top surfaces of the second limiting blocks extend to the upper side of the end surface of the limiting seat, guide grooves are formed in the inner sides of the two second limiting blocks, movable plates used for limiting the opening are assembled in the two guide grooves, and the movable plates are connected with a driving device.

4. The high-precision quick positioning mechanism according to claim 1, wherein the first limiting component comprises a first limiting block fixed at one end of the base, the first limiting block is provided with a notch for avoiding the first sliding plate, and the top surface of the first limiting block extends to a height above the end surface of the limiting seat.

5. The high-precision quick positioning mechanism according to claim 4, wherein the positioning base surface is a plane, the outer dimension of the limiting seat is matched with the outer dimension of the positioning base surface, and the bottom surface of the notch is flush with the positioning base surface.

6. The high-precision quick positioning mechanism according to claim 1, wherein the sliding groove is opened at the bottom surface of the limiting seat near the two ends, the depth of the sliding groove is matched with the thickness of the corresponding sliding plate, and the inner ends of the first sliding plate and the second sliding plate are provided with T-shaped heads for preventing the first sliding plate and the second sliding plate from being pulled out of the sliding groove.

7. The high-precision quick positioning mechanism according to claim 6, wherein bosses are provided upward at outer ends of the first sliding plate and the second sliding plate, and second open grooves for avoiding the bosses are provided at both ends of the limiting seat.

8. The high-precision quick positioning mechanism according to claim 7, wherein the boss is provided with a threaded hole, both ends of the positioning rod are provided with threaded sections, the positioning and locking component is a knob with an outer diameter larger than the width of the first opening groove, and the knob is mounted at the threaded section at the top of the positioning rod through the threaded hole.

9. A high precision quick positioning mechanism according to claim 3, wherein the driving device comprises a driving cylinder vertically fixed on the side of the base, and the piston rod of the driving cylinder is disposed upward and connected with the movable plate through a connecting block.

10. A product inspection apparatus, comprising a visual inspection apparatus and the high-precision fast positioning mechanism of any one of claims 1 to 9, wherein the high-precision fast positioning mechanism is used for performing high-precision fast positioning on a product, and the visual inspection apparatus is used for detecting appearance defects of the product.