Chuck screw check out test set
Technical Field
The invention relates to automatic detection equipment for standard parts, in particular to detection equipment for chuck screws.
Background
Standard means that all aspects of structure, dimensions, markings, etc. have been fully standardized and are produced by professionally usual parts, such as screws, keys, pins, rolling bearings, etc. The generalized standard parts comprise standardized fasteners, connecting parts, transmission parts mechanical parts such as seals, hydraulic components, pneumatic components, bearings, springs, etc. The narrow standard is generally referred to as a standardized fastener, i.e., a standard fastener, which is a mechanical part for standardized fastening coupling, and mainly includes bolts, studs, screws, set screws, nuts, washers, rivets, and the like.
The existing detection to nut, packing ring, rivet among the standard components, because can stand upright, comparatively stable when these standard components detect, so detect simpler, check out test set is also comparatively ripe. However, for detection of stud, screw and other columnar or nail-shaped standard components, especially for detection of screws with different specifications and sizes, the existing automatic standard component detection equipment is difficult to realize detection efficiently, stably and accurately, and the detection result cannot be guaranteed.
Disclosure of Invention
The invention aims to provide chuck screw detection equipment which is simple in structure and convenient to detect, and efficient, stable and accurate detection of screws with different specifications is realized.
In order to achieve the above purpose, the invention adopts the following technical scheme: the chuck screw detection equipment comprises a circular vibrator which is sequentially arranged, wherein a discharge hole of the circular vibrator is provided with a linear feeder, a circular rotating disc is arranged below the linear feeder, a detection mechanism and a screening mechanism are sequentially arranged on the circular rotating disc, the linear feeder and the circular vibrator are arranged at an angle of 25-35 degrees, the linear feeder comprises two sliding rods which are symmetrically arranged in parallel and a limit pressing rod which is positioned right above a gap between the two sliding rods, a first adjusting knob is arranged outside the two sliding rods, the first adjusting knob controls the two sliding rods to relatively approach or separate from each other, a second adjusting knob is arranged outside the limit pressing rod, the second adjusting knob controls the limit pressing rod to approach or separate from the gap between the two sliding rods, an arc limit pressing head is arranged at the lower end of the limit pressing rod, a third adjusting knob is arranged on the arc limit pressing head and controls the arc limit pressing head to lift or press downwards;
the circular rotating disc comprises a glass disc and a driving motor for controlling the rotation of the glass disc, wherein an intermittent divider is arranged on the driving motor, U-shaped clamping grooves are formed in the outer edge of the annular glass disc at equal intervals, and the groove width of each U-shaped clamping groove is larger than the diameter of a screw rod of a screw to be detected and smaller than the diameter of a screw head of the screw to be detected;
the detection mechanism comprises a nail head detection camera and a nail rod detection camera which are sequentially arranged along the rotation direction of the glass disc, an automatic pressing mechanism is arranged right in front of the nail rod detection camera, a pressing part of the automatic pressing mechanism points to the U-shaped clamping groove, and a nail head height detector is arranged on the pressing part;
the material screening mechanism comprises an air injection rejection gun, a leakage-proof rejection component and a qualified piece deflector rod which are sequentially arranged along the rotation direction of the glass disc, and the muzzle of the air injection rejection gun is positioned at the groove top of the U-shaped clamping groove.
Preferably, the linear feeder is arranged at an angle of 30 degrees with respect to the circular vibrator.
Further, the nail head detection camera is arranged on the first adjusting bracket, an annular light source is further arranged on the first adjusting bracket, the annular light source is positioned right below the nail head detection camera, and the nail head detection camera and the annular light source are adjustable up and down, left and right relative to the first adjusting bracket.
Still further, the nail pole detection camera set up on the second adjusts the support, the nail pole detection camera relative second adjust the support up, down, left and right adjustable, the nail pole detection camera set up the background light source in the right side.
Still further, the qualified piece driving lever is a fixed lever which is hung to the inner side of the glass disc, and the minimum distance between the hanging end of the fixed lever and the outer edge of the glass disc is larger than the groove depth of the U-shaped clamping groove.
The invention has the technical effects that: the screw to be detected is conveyed by the vibration of the circular vibrator, and the screw slides onto the U-shaped clamping groove of the glass disc of the circular rotating disc from the linear feeder. Specifically, in order to guarantee the material loading of screw, set up sharp glassware and circular vibrator and be 25 ~35 angle arrangements, the nail pole of screw is arranged in the clearance between two slide bars, the nail head of screw is taken on the last pole face of two slide bars, realize the material loading through the dead weight of screw, and in order to guarantee the smooth and easy material loading of the screw of different specifications, be close to or keep away from relatively in order to control the interval of two slide bars to the screw pole of adaptation screw through screwing first adjusting knob control two adjusting knob, be close to or keep away from in order to control spacing depression bar and the interval of two slide bars in order to adapt to the nail head of screw to the clearance of two slide bars through screwing second adjusting knob control, the screw of different specifications can not produce and rock when the material loading is gone up to sharp glassware like this, the material loading is smooth and easy, guarantee the stability and the high-efficient of material loading. And when the screws are fed to the circular rotating disc, in order to ensure that the screws with different specifications are smoothly clamped on the U-shaped clamping grooves of the glass disc, the third adjusting knob is screwed to control the arc-shaped limiting pressing head to lift or press downwards so as to be matched with the screws with different specifications to be pressed into the U-shaped clamping grooves of the glass disc. In order to ensure that each U-shaped clamping groove is aligned with a discharge hole of the linear feeder in the rotation process of the glass disc, an intermittent divider is arranged on a driving motor for controlling the rotation of the glass disc. Every screw of card income U type draw-in groove detects in proper order along with the rotation of glass disc through detection mechanism, and detection mechanism includes that the pin head detects camera and nail pole detects the camera, because the pin head of screw is put on the last quotation of glass disc, so stable, through the direct detection of pin head detection camera can high-efficient stable and accurate detection. But the nail pole will slightly rock along with the rotation of glass disc in U type draw-in groove, and this rocks and can influence the accurate detection of nail pole, so set up automatic hold-down mechanism in nail pole detection camera the place ahead, guarantee the accurate detection of nail pole, and in order to avoid the detection of nail pole to appear the error, set up the pin head height detector on automatic hold-down mechanism's the clamp portion, detect the pin head through pin head height detector to compare the testing result of pin head detection camera, guarantee the result of the detection of nail pole. The detected screw rotates to the screening mechanism along with the glass disc, the air injection rejection gun rejects unqualified products, and in order to ensure that unqualified products leak and reject, the leak-proof reject component is detected again, and the unqualified products are completely rejected. And the qualified products are automatically pulled down by the qualified product pulling rod along with the rotation of the glass disc. The invention has simple structure and convenient detection, and realizes the efficient, stable and accurate detection of screws with different specifications.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of a linear feeder formed by two slide rods and a limit pressing rod;
fig. 3 is a side view structural diagram of the present invention.
Detailed Description
Referring to the drawings, the chuck screw detection equipment comprises a circular vibrator 10 which is sequentially arranged, a discharge hole of the circular vibrator 10 is provided with a linear feeder 20, a circular rotating disc 30 is arranged below the linear feeder 20, a detection mechanism 40 and a screening mechanism 50 are sequentially arranged around the circular rotating disc 30, the linear feeder 20 and the circular vibrator 10 are arranged at an angle of 25-35 degrees, the linear feeder 20 comprises two sliding rods 21 which are symmetrically arranged in parallel and a limit pressing rod 22 which is positioned right above a gap between the two sliding rods 21, a first adjusting knob 21a is arranged outside the two sliding rods 21, the first adjusting knob 21a controls the two sliding rods 21 to be relatively close to or far away from each other, a second adjusting knob 22a is arranged outside the limit pressing rod 22, the second adjusting knob 22a controls the limit pressing rod 22 to be close to or far away from the gap between the two sliding rods 21, an arc limit pressing rod 23 is arranged at the lower end of the limit pressing rod 22, a third adjusting knob 23a controls the arc limit pressing rod 23 to be lifted or pressed down;
the circular rotating disc 30 comprises a glass disc 31 and a driving motor for controlling the rotation of the glass disc 31, wherein an intermittent divider is arranged on the driving motor, U-shaped clamping grooves 31a are formed in the outer edge of the annular glass disc 31 at equal intervals, and the groove width of the U-shaped clamping grooves 31a is larger than the diameter of a screw rod of a screw to be detected and smaller than the diameter of a screw head of the screw to be detected;
the detecting mechanism 40 comprises a nail head detecting camera 41 and a nail rod detecting camera 42 which are sequentially arranged along the rotating direction of the glass disc 31, an automatic compressing mechanism 60 is arranged right in front of the nail rod detecting camera 42, a compressing part of the automatic compressing mechanism 60 points to the U-shaped clamping groove 31a, and a nail head height detector is arranged on the compressing part;
the screening mechanism 50 comprises an air jet removing gun 51, a leakage preventing removing part 52 and a qualified part deflector 53 which are sequentially arranged along the rotation direction of the glass disc 31, and the muzzle of the air jet removing gun 51 is positioned at the groove top of the U-shaped clamping groove 31 a.
The screw to be detected is vibrated by the circular vibrator 10 for feeding, and the screw slides from the linear feeder 20 to the U-shaped clamping groove 31a of the glass disc 31 of the circular rotating disc 30. In combination with fig. 1 and 2, specifically, in order to ensure the feeding of screws, a linear feeder 20 is arranged at an angle of 25-35 degrees with a circular vibrator 10, screw rods of the screws are arranged in gaps between two sliding rods 21, screw heads of the screws are arranged on the upper rod surfaces of the two sliding rods 21, the feeding is realized through the dead weight of the screws, in order to ensure the smooth feeding of screws with different specifications, the screws with different specifications are controlled to be relatively close to or far away from each other by screwing a first adjusting knob 21a so as to control the distance between the two sliding rods 21, the screw rods of the screws are matched, the spacing compression rods 22 are controlled to be close to or far away from the gaps between the two sliding rods 21 by screwing a second adjusting knob 22a so as to be matched with screw heads of the screws, thus the screws with different specifications cannot shake during the feeding of the linear feeder 20, the feeding is smooth, and the feeding stability and the high efficiency are ensured. And when the screws are fed to the circular rotating disc 30, in order to ensure that the screws with different specifications are smoothly clamped on the U-shaped clamping grooves 31a of the glass disc 31, the third adjusting knob 23a is screwed to control the arc-shaped limiting pressing head 23 to lift or press down so as to be matched with the screws with different specifications to be pressed into the U-shaped clamping grooves 31a of the glass disc 31. And in order to ensure that each U-shaped clamping groove 31a of the glass disc 31 is aligned with the discharge hole of the linear feeder 20 in the rotation process, an intermittent divider is arranged on a driving motor for controlling the rotation of the glass disc 31. Each screw clamped into the U-shaped clamping groove 31a is sequentially detected along with the rotation of the glass disc 31 through the detection mechanism 40, the detection mechanism 40 comprises a screw head detection camera 41 and a screw rod detection camera 42, and the screw heads of the screws are arranged on the upper disc surface of the glass disc 31, so that the screws are stable, and the screws can be detected efficiently, stably and accurately through the direct detection of the screw head detection camera 41. But the nail pole will shake slightly along with the rotation of glass disc 31 in U type draw-in groove 31a, and this rocks and can influence the accurate detection of nail pole, so set up automatic hold-down mechanism 60 in nail pole detection camera 42 in the place ahead, guarantee the accurate detection of nail pole, and in order to avoid the detection of nail pole to appear the error, set up the nail head height detector on automatic hold-down mechanism 60's the hold-down portion, detect the nail head through the nail head height detector to compare the testing result of nail head detection camera 41, guarantee the result of the detection of nail pole. The detected screw is rotated to the screening mechanism 50 along with the glass disc 31, the air jet rejection gun 51 rejects unqualified products, and in order to ensure that unqualified products are missed, the anti-leakage rejection component 52 detects again, and the unqualified products are completely rejected. And the qualified products are automatically pulled down by the qualified product pulling rod 53 along with the rotation of the glass disc 31. The invention has simple structure and convenient detection, and realizes the efficient, stable and accurate detection of screws with different specifications.
Preferably, the linear feeder 20 is disposed at an angle of 30 ° to the circular vibrator 10. In actual material loading, when the linear feeder 20 and the circular vibrator 10 form an angle of 30 degrees, the material unloading speed is moderate, so that the rotation of the glass disc 31 is adapted, the rotation speed of the glass disc 31 is not too high, and the problem that the screw slides out of the U-shaped clamping groove 31a of the glass disc 31 due to the centrifugal force effect can not occur when high-efficiency detection is ensured.
Further, the nail head detecting camera 41 is disposed on the first adjusting bracket, an annular light source is further disposed on the first adjusting bracket, the annular light source is located under the nail head detecting camera 41, and the nail head detecting camera 41 and the annular light source are adjustable up and down, left and right relative to the first adjusting bracket. The nail head detecting camera 41 and the annular light source matched with the camera are adjusted to the optimal positions of the screws of all specifications, and the nail head detecting camera 41 detects the sizes, the shapes, the outer surfaces of the nail heads, whether oil stains exist or not and the like, so that accurate detection of the screw heads is ensured.
Still further, the pin detection camera 42 is disposed on the second adjusting bracket, the pin detection camera 42 is adjustable up, down, left and right with respect to the second adjusting bracket, and a background light source is disposed on the opposite surface of the pin detection camera 42. The nail rod detection camera 42 is adjusted in this way, and the nail rod detection camera 42 detects the length, diameter, thread length, thread, presence or absence of foreign matters and the like of the nail rod, so that accurate detection of the screw rod is ensured.
Still further, the qualified piece driving lever 53 is a fixed lever that is suspended to the inner side of the glass disc 31, and the minimum distance between the suspended end of the fixed lever and the outer edge of the glass disc 31 is greater than the groove depth of the U-shaped clamping groove 31 a. The qualified piece deflector rod 53 is fixedly arranged, and the qualified screw is detected to rotate along with the glass disc 31 until reaching the overhanging section of the qualified piece deflector rod 53, and is easily pulled down by the qualified piece deflector rod 53, so that the method is simple and effective.