A kind of fixture that position shot detection is linked for mechanical part
Technical field
The utility model is related to industrial detection technology, more particularly to a kind of mechanical part that is used for links position shot detection
Fixture.
Background technology
With the development of precision optical machinery manufacturing technology, mechanical part realizes what multiple degrees of freedom activity was combined by linking position
Structure is increasing, all exists in various product and is widely applied.The link position can be born repeatedly among actual use
Motion abrasion and impact, thus in process of production ensure mechanical part link position quality, be lifting manufacture level and
The importance of product reliability.In addition to the optimization in design and material, technologic guarantee, by mechanical part chain
Structure detection is carried out in socket part position, and the defective products that there is the defects such as crackle, planform exception, matching difference is found in time, is also
One very crucial factor.However, in considerable product, the link position of mechanical part is in because of its small volume
The joint portion of multiple parts, is difficult complete observation, and quality inspection employee is being difficult to find the problem of it is present during visual detection.
It is to shoot mechanical part under the irradiation of secondary light source with a camera to shoot auxiliary detection, obtains position to be detected
Picture, and the picture of acquirement is amplified display and the enhancing of picture brightness using monitor, in order to which quality inspection employee is logical
Cross observation monitor and find and judge defect of the mechanical part in terms of structure, outward appearance.Shoot auxiliary detection and reduce workman
Detection difficulty and intensity, improve Detection accuracy, have especially for the fine defects for finding mechanical part good
Effect.
Realize that the equipment for shooting auxiliary detection generally comprises part microscope carrier, camera, secondary light source, monitoring in the prior art
Device.Wherein, camera is typically erected at by support at a certain distance from part microscope carrier, for shooting added by the part microscope carrier
The mechanical part of load, camera relative to the horizontal level of part microscope carrier, vertical height, shooting angle by it on support
Slide or reverse and be adjusted;Secondary light source is also disposed on the support, and to mechanical part projection illumination light.
But, found through practice, the free degree that existing support adjust for shooting direction is inadequate, thus camera for
Mechanical part link position is extremely difficult to Multi-angle omnibearing shooting, it is not easy to find to be located at structural scarce at shooting blind angle amount
Fall into.And shoot the operation at mechanical part link position comprehensively as far as possible by the position and direction of bracket adjustment video camera very
Trouble, industrial video camera is again heavier, it is easy to which the generation that the is in course of adjustment accident such as come off from support causes damage.
Utility model content
In view of problem above present in above-mentioned prior art, is used for mechanical part link portions the utility model proposes one kind
The fixture of position shot detection.The fixture can carry the camera for shot detection around mechanical part link position progress 360
Degree rotates and can adjust the luffing angle of video camera shooting, thus can ensure shooting of the omnirange without dead angle;This practicality
New fixture employs the design of annular head, and nested mechanical part is shot, and thoroughly avoids video camera unexpected from branch
Drop brought risk on frame.
What the utility model was related to is used for the fixture that mechanical part links position shot detection, it is characterised in that including:Rise
Bar, annular head, ring-shaped guide rail part, hold assembly, bulb part drop;The elevating lever is fixedly connected with the annular head simultaneously
Carry the annular head lifting;Annular head is including between annular top surface, annular bottom surface and annular top surface and annular bottom surface
Support bar, the annular head has hollow interior space, the mechanical part detected for nesting;When annular head is in lifting
The mechanical part is set to be nested within the hollow interior space of annular head when dropping to the first specified location under the carrying of bar,
The mechanical part is set to leave institute from annular bottom surface when annular head rises to the second specified location under the carrying of elevating lever
State hollow interior space;The ring-shaped guide rail part is arranged on the annular top surface or annular bottom surface;The ring-shaped guide rail
Orbit of guide rail that part includes being arranged on the annular top surface or annular bottom surface, the guide wheel of embedded orbit of guide rail, it is located at
Two support wheels inside and outside orbit of guide rail, the microscope carrier being arranged on guide wheel and support wheel;Microscope carrier can be in guide wheel
Run under guiding along orbit of guide rail;The bulb part is fixed on the microscope carrier, and the bulb part includes portion
The bulb joint of the bulb part is wrapped up in subpackage;Movable bulb is embedded within bulb joint, and can in bulb joint
Rotate to adjust the shooting angle of video camera in predetermined scope of activities;The movable bulb is fixedly connected with the hold assembly,
The hold assembly is used to fix video camera.
Preferably, the elevating lever is fixedly connected on the support bar by turn joint.
Preferably, the ring-shaped guide rail part is arranged on the upper surface of the annular top surface or the upper table of annular bottom surface
Face.
Preferably, the lower surface of the annular bottom surface sets infrared distance measurement device to measure the annular head in elevating lever
Drive under raising and lowering distance.
Preferably, the microscope carrier has magnetic part, so that outside drive mechanism attracts to drive the load by magnetic force
Platform is run along orbit of guide rail.
Preferably, secondary light source is also fixedly mounted on the microscope carrier.
The beneficial effects of the utility model are, mechanical part is nested in into interior carry out shot detection using annular head,
And ring-shaped guide rail part can carry video camera and carry out 360 degree of rotations around mechanical part, so as to mechanical part chain
The picture of any one side of socket part position is captured, and camera luffing angle can have to be adjusted compared with high-freedom degree,
Luffing angle is engaged with around angle, can shot detection mechanical part is particularly it and links position in all directions without dead angle
Situation, is easy to find mass defect;Video camera is difficult for drop-off, it is to avoid accident rate.
Brief description of the drawings
Fig. 1 is the overall schematic of fixture described in the utility model;
Fig. 2 is ring-shaped guide rail part described in the utility model, hold assembly, the concrete structure schematic diagram of bulb part.
Embodiment
Below by embodiment, the technical solution of the utility model is described in further detail.
Fig. 1 shows the fixture that position shot detection is linked for mechanical part that the utility model is related to.Such as Fig. 1 institutes
Show, the fixture includes:Elevating lever 1 and annular head 2.Wherein, annular head 2 include annular top surface 21, annular bottom surface 22 and
Support bar 23 between annular top surface 21 and annular bottom surface 22.The elevating lever 1 is fixedly connected with the ring by turn joint 11
Shape head 2 simultaneously carries the annular head 2 and lifted.The annular head 2 is by annular top surface 21, annular bottom surface 22 and support bar
There is hollow interior space, the hollow interior space is used for nested detected machine within 23 circular cylindrical shapes limited
Tool part;When annular head 2 drops to the first specified location under the carrying of elevating lever 1, it is nested in the mechanical part
It is now special to mechanical part using the video camera being located inside annular head 2 within the hollow interior space of annular head 2
It is that it links position progress omnidirectional shooting detection;When annular head 2 rises to the second specified location under the carrying of elevating lever 1
When the mechanical part is left the hollow interior space from annular bottom surface.The lower surface of the annular bottom surface 22 sets infrared
Range finder is to measure the distance of annular head raising and lowering under the drive of elevating lever.
Ring-shaped guide rail part, hold assembly, the bulb part of the fixture are arranged on the inside of the annular head 2, tool
Body structure is as shown in Figure 2.The ring-shaped guide rail part may be provided at upper surface or the ring of the annular top surface of the annular head 2
On the upper surface of shape bottom surface.The ring-shaped guide rail part includes the guide rail rail being arranged on the annular top surface or annular bottom surface
Road 31 (upper surface that annular bottom surface is taken in Fig. 2), the guide wheel 32 of embedded orbit of guide rail 31, two inside and outside orbit of guide rail 31
Two support wheels 33 of side, the microscope carrier 34 being arranged on guide wheel and support wheel.Microscope carrier 34 can be under the guiding of guide wheel 32
Run along orbit of guide rail 31, support wheel 33 plays a part of balance and stability microscope carrier 34.Driving to microscope carrier 34 takes magnetic force to drive
Dynamic, the microscope carrier 34 has magnetic part, so that outside drive mechanism attracts to drive the microscope carrier 34 along guide rail by magnetic force
Track 31 is run.
The bulb part is fixed on the microscope carrier 34, and the bulb part includes bulb described in portion envelops
The bulb joint 41 of part and movable bulb 42, movable bulb 42 are embedded within bulb joint 41, and can be in bulb joint
Rotate to adjust the shooting angle of video camera in predetermined scope of activities in 41.The movable bulb 42 is fixedly connected with the folder
Part 5 is held, the hold assembly is used to fix video camera 6.Secondary light source 7 is also fixedly mounted on the microscope carrier 34, for take the photograph
The shooting of camera provides illumination.
Mechanical part is nested in interior carry out shot detection, and ring-shaped guide rail part by the utility model using annular head
Video camera can be carried and carry out 360 degree of rotations around mechanical part, so as to any one to mechanical part link position
The picture of side is captured, and camera luffing angle can have to be adjusted compared with high-freedom degree, and luffing angle is with surrounding angle
Degree is engaged, can without dead angle in all directions shot detection mechanical part be particularly its link position situation, be easy to find matter
Measure defect;Video camera is difficult for drop-off, it is to avoid accident rate.
Above example is merely to illustrate the utility model, and is not limitation of the utility model, relevant technical field
Those of ordinary skill, in the case where not departing from spirit and scope of the present utility model, can also make a variety of changes and become
Type, therefore all equivalent technical schemes fall within category of the present utility model, scope of patent protection of the present utility model should be by
Claim is limited.