CN115157008A - Hole depth detector for numerical control machine tool - Google Patents
Hole depth detector for numerical control machine tool Download PDFInfo
- Publication number
- CN115157008A CN115157008A CN202211070858.6A CN202211070858A CN115157008A CN 115157008 A CN115157008 A CN 115157008A CN 202211070858 A CN202211070858 A CN 202211070858A CN 115157008 A CN115157008 A CN 115157008A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- deflection
- hole depth
- seat
- disc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 230000008878 coupling Effects 0.000 claims abstract description 27
- 238000010168 coupling process Methods 0.000 claims abstract description 27
- 238000005859 coupling reaction Methods 0.000 claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 238000006073 displacement reaction Methods 0.000 claims description 23
- 239000011324 bead Substances 0.000 claims description 15
- 238000005096 rolling process Methods 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 11
- 239000000523 sample Substances 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract description 4
- 230000001788 irregular Effects 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 20
- 230000000149 penetrating effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000004080 punching Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 244000144985 peep Species 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/20—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
Abstract
The invention relates to the technical field of numerical control machining, in particular to a hole depth detector for a numerical control machine tool, which comprises: the fixed frame, snakelike perforating mechanism and detection aircraft nose, the fixed surface of fixed frame installs a plurality of driving motor, driving motor's output is all fixed to condense there is the spool dish, the fixed surface of spool dish is connected with the traction cable, snakelike perforating mechanism includes the shaft coupling, the end plate, supporting spring and universal coupling assembling, the shaft coupling, universal coupling assembling's quantity is a plurality of, and universal coupling assembling is located between two adjacent shaft coupling and the relative inboard fixed connection of both ends and two shaft coupling. According to the invention, by arranging the novel universal perforation structure, multi-degree-of-freedom bending of the snake-shaped perforation mechanism is realized by the drive control of each drive motor on the surface of the fixed base and the traction action of the traction cable during hole depth detection so as to adapt to various bent and irregular workpiece deep holes, deep detection is carried out, and multifunctional detection of hole depth, hole diameter, inner hole state and the like is realized.
Description
Technical Field
The invention relates to the technical field of numerical control machining, in particular to a hole depth detector for a numerical control machine tool.
Background
In the field of numerical control machining, how to control the sizes of roundness, straightness, diameter and the like of parts influences various performances of matching, vibration and the like of the parts. Therefore, indexes such as straightness and smoothness of the deep hole need to be accurately measured, so that whether the part is qualified or not is accurately checked, and the machining precision of the part during remanufacturing is improved. Chinese patent application publication No. CN101571379A discloses a method for measuring diameter and straightness parameters of a seamless circular steel pipe, which comprises: completing the calibration of the parameters of the multi-line structured light vision sensor consisting of the camera and the multi-line laser projector; arranging a multi-line structured optical vision sensor near a seamless round steel pipe to be measured; and the computer respectively controls the laser projector to project the structured light plane to the measured section of the seamless circular steel tube, and the camera collects the light stripe images on the surface of the seamless circular steel tube to perform light stripe image processing. The method is only suitable for detecting the straightness of the outer cylindrical surface and is not suitable for detecting the inner cylindrical surface of the deep hole. For parts using deep holes as key working surfaces, such as a cylinder barrel of a hydraulic cylinder, the deep holes of the cylinder barrel and the outer cylindrical surface of a piston form a precise coupling, and the assembly and the service performance of a main machine of engineering machinery are directly influenced by geometrical indexes such as straightness, diameter, inner hole smoothness and the like.
The utility model discloses a flexible endoscope is used to pass through the inside detection in aperture mainly when carrying out work piece deep hole exploration, flexible endoscope changes the endoscope angle through the slip butt with the deep hole inner wall passively, pass the in-process because the endoscope can't initiatively change bending angle, it is great enough to lead to the endoscope to go deep to obtain the inside radian of deep hole by protruding structure blocking when the deep hole inner wall, the practicality is lower, and excessive friction leads to penetrating the difficult operation degree of difficulty big, in addition, it is unable only to carry out the image detection of deep hole inner wall to peep the structure, simple structure function singleness, there is certain defect.
In view of this, research and improvement are carried out to solve the existing problems, and a hole depth detector for a numerical control machine tool is provided to solve the problems of single deep hole detection function and high operation difficulty and low practicability existing at present, and the purpose of solving the problems and improving the practical value is achieved through the technology.
Disclosure of Invention
The present invention is directed to solving one of the technical problems of the prior art or the related art.
Therefore, the technical scheme adopted by the invention is as follows: a hole depth detector for a numerically controlled machine tool, comprising: the detection device comprises a fixed base, a snakelike perforating mechanism and a detection machine head, wherein a plurality of driving motors are fixedly mounted on the surface of the fixed base, output ends of the driving motors are fixedly provided with a winding shaft disc in a condensation mode, a traction cable is fixedly connected to the surface of the winding shaft disc, the snakelike perforating mechanism comprises a coupling disc, an end disc, a supporting spring, a universal connecting assembly and a flexible casing shell located on the outer side, the number of the coupling discs and the number of the universal connecting assembly are multiple, the universal connecting assembly is located between every two adjacent coupling discs, two ends of the universal connecting assembly are fixedly connected with the opposite inner sides of the two coupling discs, a plurality of wire passing sleeves are arranged on the surface of the coupling discs, the supporting spring is movably sleeved on the outer side of each wire passing sleeve, two ends of the supporting spring are fixedly connected with the opposite inner sides of the two adjacent coupling discs, the traction cable penetrates through the inner sides of the wire passing sleeves and the supporting spring, and the detection machine head is fixedly mounted on one side of the end disc;
the universal connecting assembly comprises a deflection sleeve seat, a protecting sleeve, a connecting shaft rod, an inner disc seat, a retaining sleeve and a resisting bead, wherein the inner disc seat, the retaining sleeve and the resisting bead are movably sleeved on the inner side of the deflection sleeve seat; the detecting machine head comprises a machine head shell, an endoscopic probe, a sliding support bar and a deflection bar, wherein a main sliding bar is fixedly mounted on the inner side of the machine head shell, a displacement sleeve seat is sleeved on the surface of the main sliding bar in a sliding mode, the deflection bar is rotatably mounted at two ends of the sliding support bar, the other end of the deflection bar is rotatably connected with two ends of the surface of the main sliding bar, and a linkage bar movably connected with the surface of one deflection bar is rotatably connected to the surface of the displacement sleeve seat.
The invention in a preferred example may be further configured to: the number of driving motor, spool dish, traction cable is four, every the line sleeve pipe of crossing on shaft coupling surface is four, and four cross the line sleeve pipes and be the edge of circumferencial direction evenly distributed in shaft coupling surface, the traction cable slides and cup joints in the inboard of crossing the line sleeve pipe.
The present invention in a preferred example may be further configured to: the end disc and the tail end coupling disc are fixedly connected through the universal connecting assembly, and the traction cable is of a flexible steel wire rope structure, and one end of the traction cable is fixedly connected with the surface of the end disc.
The present invention in a preferred example may be further configured to: the fixed cover of one end of lag connects in the outside of deflecting cover seat, the lag is flexible rubber material component and lag and is the toper and fold the column structure.
The invention in a preferred example may be further configured to: the circle centers of the deflection sleeve seat, the protection sleeve and the connecting shaft rod and the circle centers of the connecting shaft disc and the end disc are located on the same straight line, a deflection ball groove in sliding abutting contact with the periphery of the retaining sleeve is formed in the inner side of the deflection sleeve seat, the deflection ball groove is hemispherical, a plurality of limiting rolling grooves in sliding abutting contact with the outer sides of the abutting balls are formed in the inner side of the deflection sleeve seat, and the limiting rolling grooves correspond to the abutting balls in number one to one.
The invention in a preferred example may be further configured to: the outer side of the protecting sleeve is provided with a plurality of arc grooves which are abutted against the abutting beads, the outer side of the retaining sleeve is provided with a positioning groove which is used for sleeving the abutting beads, the two sides of the supporting bead penetrate through the positioning groove and are respectively in sliding butt joint with the surface of the protective sleeve and the inner side of the deflection sleeve seat.
The invention in a preferred example may be further configured to: the endoscopic probe is fixedly installed at the end part of the machine head shell, a return spring with one end abutting against the surface of the linkage rod is movably sleeved on the surface of the main sliding rod, a plurality of guide grooves are formed in the surface of the machine head shell, one end of the linkage rod penetrates through the guide grooves to the outer side of the machine head shell, and a plurality of balls are arranged on the surface of the sliding support strip.
The invention in a preferred example may be further configured to: the inboard of displacement cover seat is equipped with displacement sensor, main slide bar is located collinear with the centre of a circle of end dish, aircraft nose casing, it is a plurality of groups and be the periphery that the circumferencial direction distributes in main slide bar to slide the quantity of propping the strip.
The beneficial effects obtained by the invention are as follows:
1. according to the invention, by arranging the novel universal perforation structure, multi-degree-of-freedom bending of the snake-shaped perforation mechanism is realized by the drive control of each drive motor on the surface of the fixed base and the traction action of the traction cable during hole depth detection so as to adapt to various bent and irregular workpiece deep holes, deep detection is carried out, and multifunctional detection of hole depth, hole diameter, inner hole state and the like is realized.
2. According to the invention, a novel universal connecting component structure is adopted, the universal angle deflection motion between each deflection sleeve seat of the connecting shaft rod is realized by utilizing the movable sleeve connection of the inner disc seat in the deflection sleeve seats, the motion flexibility between the adjacent connecting shaft discs is improved, and further the snake-shaped perforating mechanism can be bent and adapted to different deep hole detection in various states, and the axial rotation of the retaining sleeve and the connecting shaft rod is avoided due to the separation of the limiting rolling groove, so that the torsion between the adjacent connecting shaft discs is avoided, and the action stability of the snake-shaped perforating mechanism is improved.
3. According to the invention, a detection machine head structure is additionally arranged at one end of the snake-shaped perforating mechanism, when the snake-shaped perforating mechanism penetrates into a deep hole, the frictional resistance of the penetrating movement of the snake-shaped perforating mechanism is reduced through the sliding support of the sliding support bar, the inner diameter of the deep hole is measured through the supporting support of the sliding support bar and the inner wall of the deep hole, and the image monitoring of the state of the inner wall of the deep hole is carried out through the endoscopic probe, so that the multifunctional detection of the deep hole is realized.
Drawings
FIG. 1 is a schematic overall structure diagram of one embodiment of the present invention;
FIG. 2 is a schematic view of a serpentine perforation mechanism connection according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the structure at A of FIG. 2 according to an embodiment of the present invention;
FIG. 4 is a schematic view of a probing head according to an embodiment of the present invention;
FIG. 5 is an exploded view of a gimbal assembly according to an embodiment of the present invention;
FIG. 6 is a schematic view of a mounting structure of the gimbal assembly according to an embodiment of the present invention;
FIG. 7 is a cross-sectional view of a gimbal assembly according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of the internal structure of a probing head according to an embodiment of the present invention.
Reference numerals:
100. fixing the base; 110. a drive motor; 120. a spool plate; 130. a traction cable;
200. a snake-shaped perforating mechanism; 210. a coupling disc; 220. an end disc; 230. a support spring; 240. a universal connection assembly; 211. a wire-passing sleeve; 241. a deflection sleeve seat; 242. a protective sleeve; 243. a connecting shaft rod; 244. an inner disc seat; 245. a retaining sleeve; 246. supporting the beads; 247. a deflection ball groove; 248. limiting a rolling groove;
300. detecting a machine head; 310. a handpiece housing; 320. an endoscopic probe; 330. sliding the support bar; 340. a deflection rod; 350. a displacement sleeve seat; 311. a main slide bar; 331. a ball bearing; 351. a linkage rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
The following describes a hole depth detector for a numerically controlled machine tool, provided by some embodiments of the present invention, with reference to the accompanying drawings.
Referring to fig. 1 to 8, the present invention provides a hole depth detector for a numerically controlled machine tool, including: the snake-shaped punching mechanism 200 comprises a fixed base 100, a snake-shaped punching mechanism 200 and a detection machine head 300, wherein a plurality of driving motors 110 are fixedly arranged on the surface of the fixed base 100, winding reel 120 is fixedly condensed at the output ends of the driving motors 110, a traction cable 130 is fixedly connected to the surface of the winding reel 120, the snake-shaped punching mechanism 200 comprises connecting reels 210, end reels 220, supporting springs 230, universal connecting assemblies 240 and flexible casings located on the outer sides, the number of the connecting reels 210 and the number of the universal connecting assemblies 240 are multiple, the universal connecting assemblies 240 are located between two adjacent connecting reels 210, two ends of each universal connecting assembly are fixedly connected with the opposite inner sides of the two adjacent connecting reels 210, a plurality of wire passing sleeves 211 are arranged on the surfaces of the connecting reels 210, the supporting springs 230 are movably sleeved on the outer sides of the wire passing sleeves 211, two ends of each supporting spring are fixedly connected with the opposite inner sides of the two adjacent connecting reels 210, the traction cable 130 is sleeved on the inner sides of the wire passing sleeves 211 and the supporting springs 230, and the detection machine head 300 is fixedly arranged on one side of the end reels 220;
the universal connection assembly 240 comprises a deflection sleeve seat 241, a protective sleeve 242, a connecting rod 243, an inner disk seat 244 movably sleeved on the inner side of the deflection sleeve seat 241, a retaining sleeve 245 and a resisting bead 246, wherein the protective sleeve 242 and the connecting rod 243 are fixedly arranged on one side of the connecting disk 210, the deflection sleeve seat 241 is fixedly arranged on the other side of the connecting disk 210 and one side of the end disk 220, and the inner disk seat 244 is fixedly sleeved on one end of the connecting rod 243; the detecting machine head 300 comprises a machine head shell 310, an endoscopic probe 320, a sliding support bar 330 and deflection bars 340, wherein a main sliding bar 311 is fixedly installed on the inner side of the machine head shell 310, a displacement sleeve seat 350 is sleeved on the surface of the main sliding bar 311 in a sliding manner, the deflection bars 340 are rotatably installed at two ends of the sliding support bar 330, the other ends of the deflection bars are rotatably connected with two ends of the surface of the main sliding bar 311, and a linkage bar 351 movably connected with the surface of one deflection bar 340 is rotatably connected on the surface of the displacement sleeve seat 350.
In this embodiment, the number of the driving motors 110, the winding reel 120, and the pulling cables 130 is four, the number of the wire-passing sleeves 211 on the surface of each coupling reel 210 is four, the four wire-passing sleeves 211 are uniformly distributed on the edge of the surface of the coupling reel 210 in the circumferential direction, and the pulling cables 130 are slidably sleeved on the inner side of the wire-passing sleeves 211.
Specifically, the four driving motors 110 respectively control the rolling and shrinking motion of each traction cable 130, and the traction cable 130 in the symmetrical direction of the far point is unreeled under the control of the other driving motor 110 when the single driving motor 110 rolls the traction cable 130 on one side, so that the overall inclination of the snake-shaped perforating mechanism 200 is realized, the radian of the deep hole of the workpiece is adapted, and the penetrating operation is performed in the deep hole of the workpiece.
In this embodiment, the adjacent coupling discs 210 are connected by a universal joint assembly 240, the end disc 220 is fixedly connected with the end coupling disc 210 by the universal joint assembly 240, and the traction cable 130 is of a flexible steel cable structure and has one end fixedly connected with the surface of the end disc 220.
Specifically, the plurality of coupling discs 210, the universal connection assembly 240 and the terminal disc 220 at the tail end are sequentially connected and combined with one another to form a strip shape, so that the detection of the hole depth, the hole diameter and the hole wall state inside various deep spaces is facilitated.
In this embodiment, one end of the protecting sleeve 242 is fixedly sleeved outside the deflecting sleeve seat 241, the protecting sleeve 242 is a flexible rubber member, and the protecting sleeve 242 has a cone-shaped stacked structure.
Specifically, the protecting sleeve 242 is used as a protecting structure of the inner disk seat 244 and the deflecting sleeve seat 241, synchronous deformation deflection is performed during the deflecting motion of the connecting rod 243 relative to the deflecting sleeve seat 241, external dust is prevented from entering the deflecting sleeve seat 241, the motion stability of the connecting rod 243 is improved, and the memory recovery of the universal connecting assembly 240 is realized by the material elasticity of the protecting sleeve 242 and the elastic recovery of the supporting spring 230.
In this embodiment, the centers of the deflection sleeve holder 241, the protective sleeve 242, and the connecting rod 243 are located on the same straight line as the centers of the connecting shaft disc 210 and the end disc 220, the inner side of the deflection sleeve holder 241 is provided with a deflection ball groove 247 slidably abutting against the periphery of the retaining sleeve 245, the deflection ball groove 247 is hemispherical, the inner side of the deflection sleeve holder 241 is provided with a plurality of limiting rolling grooves 248 slidably abutting against the outer sides of the abutting balls 246, and the number of the limiting rolling grooves 248 corresponds to the number of the abutting balls 246.
Specifically, the centers of circles of the deflection sleeve seat 241, the protection sleeve 242 and the connecting rod 243 are concentric with the connecting shaft disc 210 and the end disc 220, so that deflection of various angles between the connecting shaft disc 210 and the end disc 220 is facilitated to realize integral bending of the snake-shaped perforation mechanism 200, the inner disc seat 244 and the abutting balls 246 can be bent at any angle inside the deflection sleeve seat 241 through the guide of the deflection ball grooves 247 and the limiting rolling grooves 248, and due to the blocking of the limiting rolling grooves 248, axial rotation of the retaining sleeves 245 and the connecting rod 243 is avoided, so that torsion between adjacent connecting shaft discs 210 is avoided, and the action stability of the snake-shaped perforation mechanism 200 is improved.
In this embodiment, the outer side of the protecting sleeve 242 is provided with a plurality of arc grooves abutting against the abutting beads 246, the outer side of the retaining sleeve 245 is provided with positioning grooves for sleeving the abutting beads 246, and two sides of the abutting beads 246 penetrate through the positioning grooves and respectively slidably abut against the surface of the protecting sleeve 242 and the inner side of the deflecting sleeve seat 241.
Specifically, the connecting rod 243 is supported by a plurality of abutting balls 246, and when the inner tray seat 244 deflects relative to the deflecting sleeve seat 241, the abutting balls 246 change sliding friction into rolling friction, so that friction resistance is reduced, and flexible movement of the snake-shaped perforation mechanism 200 is realized.
In this embodiment, the endoscopic probe 320 is fixedly installed at the end of the handpiece shell 310, a return spring having one end abutting against the surface of the linkage rod 351 is movably sleeved on the surface of the main slide bar 311, a plurality of guide grooves are formed on the surface of the handpiece shell 310, one end of the linkage rod 351 penetrates through the guide grooves to the outside of the handpiece shell 310, and a plurality of balls 331 are arranged on the surface of the sliding support bar 330.
Specifically, the free deflection motion of the sliding support bar 330 is in the deflection motion of abutting against the inner wall of the deep hole inside the deep hole, so that one end of the support snake-shaped perforating mechanism 200 performs penetrating motion along the inner wall of the deep hole, and the outer ball of the sliding support bar 330 reduces the friction resistance with the inner wall of the deep hole.
In this embodiment, the displacement sensor is disposed inside the displacement sleeve seat 350, the main sliding rod 311, the end disc 220, and the center of the handpiece housing 310 are located on the same straight line, and the number of the sliding support bars 330 is several groups and is distributed on the periphery of the main sliding rod 311 in the circumferential direction.
Specifically, the deflection motion of the plurality of displacement sleeve seats 350 and the sliding support bars 330 is abutted against the inner wall of the deep hole, the displacement sleeve seats 350 slide on the surface of the main slide bar 311 in the abutting motion, the sliding displacement of the displacement sleeve seats 350 is measured by the displacement sensor, the diameter of the inner wall of the deep hole can be calculated, and the plurality of groups of sliding support bars 330 are distributed in the circumferential direction to keep the main slide bar 311 positioned at the center of the circle inside the deep hole.
The working principle and the using process of the invention are as follows:
when the hole depth detector for the numerical control machine tool is used, firstly, the hole depth detector is fixedly connected with the head end of a machine tool lifting driving machine through the driving motor 110 and is connected with the control circuit of each driving motor 110, and the snake-shaped punching mechanism 200 and the detection head 300 are penetrated in the downward movement of the head of the numerical control machine tool;
in the penetrating process, the image data of the inner wall of the inner hole is acquired through the endoscopic probe 320 to observe the smoothness of the inner hole, the free deflection motion of the sliding support strip 330 is abutted with the inner wall of the deep hole in the deep hole, so that one end of the support snake-shaped perforating mechanism 200 performs penetrating motion along the inner wall of the deep hole, the deflection motions of the plurality of displacement sleeve seats 350 and the sliding support strip 330 are abutted with the inner wall of the deep hole, the displacement sleeve seats 350 slide on the surface of the main slide bar 311 in the abutting motion, and the sliding displacement of the displacement sleeve seats 350 is measured through the displacement sensor to calculate the diameter of the inner wall of the deep hole; if the inner hole is a curved hole structure, the endoscopic probe 320 observes an image to sense the curved direction of the inner hole, the four driving motors 110 respectively control the rolling and contracting motions of the traction cables 130, when the single driving motor 110 rolls one side of the traction cable 130, the traction cable 130 in the symmetrical direction with the distant point is unreeled under the control of the other driving motor 110, so that the integral inclination of the snake-shaped perforating mechanism 200 is realized, the movable sleeving of the inner disc seat 244 in the deflection sleeve seat 241 is utilized to realize the universal angle deflection motion between the deflection sleeve seats 241 of the connecting shaft rod 243, the motion flexibility between the adjacent connecting shaft discs 210 is improved, so that the snake-shaped perforating mechanism 200 can be adapted to different deep hole detections in various bending states, the axial rotation of the retaining sleeve 245 and the connecting sleeve 243 is avoided due to the obstruction of the limiting rolling groove 248, the shaft rod torsion between the adjacent connecting discs 210 is avoided, the deep hole radian directions of a workpiece are actively adapted, the machine head of the machine tool continuously moves downwards to push the snake-shaped perforating mechanism 200 and the detecting machine head 300 to enter the deep hole, and the deep hole multifunctional detection is synchronously performed, the hole depth, the aperture and the state of the inner hole.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (8)
1. A hole depth detector for a numerical control machine tool is characterized by comprising: the winding device comprises a fixed base (100), a snake-shaped perforating mechanism (200) and a detecting machine head (300), wherein a plurality of driving motors (110) are fixedly mounted on the surface of the fixed base (100), winding reel discs (120) are fixedly condensed at the output ends of the driving motors (110), traction cables (130) are fixedly connected to the surfaces of the winding reel discs (120), the snake-shaped perforating mechanism (200) comprises connecting discs (210), end discs (220), supporting springs (230), universal connecting assemblies (240) and flexible casing shells located on the outer sides, the connecting discs (210) and the universal connecting assemblies (240) are in a plurality of numbers, the universal connecting assemblies (240) are located between two adjacent connecting discs (210), two ends of each universal connecting disc are fixedly connected with the corresponding inner sides of the two adjacent connecting discs (210), a plurality of wire passing sleeves (211) are arranged on the surfaces of the connecting discs (210), the supporting springs (230) are movably sleeved on the outer sides of the wire passing sleeves (211), two ends of the supporting springs are fixedly connected with the corresponding inner sides of the two adjacent connecting discs (210), the wire passing sleeves (230) penetrate through the supporting springs (230) and one sides of the detecting machine head (300), and the supporting springs (220) are mounted on one side of the fixed base;
the universal connection assembly (240) comprises a deflection sleeve seat (241), a protective sleeve (242), a connecting shaft rod (243), an inner disc seat (244), a retaining sleeve (245) and a resisting bead (246), wherein the inner disc seat (244), the retaining sleeve (245) and the resisting bead (246) are movably sleeved on the inner side of the deflection sleeve seat (241), the protective sleeve (242) and the connecting shaft rod (243) are fixedly installed on one side of the connecting shaft disc (210), the deflection sleeve seat (241) is fixedly installed on the other side of the connecting shaft disc (210) and one side of the end disc (220), and the inner disc seat (244) is fixedly sleeved on one end of the connecting shaft rod (243);
the detection handpiece (300) comprises a handpiece shell (310), an endoscopic probe (320), a sliding support bar (330) and a deflection rod (340), wherein a main sliding rod (311) is fixedly mounted on the inner side of the handpiece shell (310), a displacement sleeve seat (350) is sleeved on the surface of the main sliding rod (311) in a sliding manner, the deflection rod (340) is rotatably mounted at two ends of the sliding support bar (330) and at the other end of the sliding support bar (311) in a rotating manner, and a linkage rod (351) movably connected with the surface of one deflection rod (340) is rotatably connected on the surface of the displacement sleeve seat (350).
2. The hole depth detector for the numerical control machine tool as claimed in claim 1, wherein the number of the driving motor (110), the spool (120) and the pulling cable (130) is four, the number of the wire passing sleeves (211) on the surface of each coupling disk (210) is four, the four wire passing sleeves (211) are uniformly distributed on the edge of the surface of the coupling disk (210) in the circumferential direction, and the pulling cable (130) is slidably sleeved on the inner side of the wire passing sleeve (211).
3. The hole depth detector for the numerical control machine tool as claimed in claim 1, wherein adjacent coupling disks (210) are connected by a universal connection assembly (240), the end disk (220) is fixedly connected with the end coupling disk (210) by the universal connection assembly (240), the traction cable (130) is of a flexible steel wire rope structure, and one end of the traction cable is fixedly connected with the surface of the end disk (220).
4. The hole depth detector as claimed in claim 1, wherein one end of the protective sleeve (242) is fixedly sleeved on the outside of the deflecting sleeve seat (241), the protective sleeve (242) is made of flexible rubber material, and the protective sleeve (242) is in a cone-shaped stacked structure.
5. The hole depth detector for the numerical control machine tool according to claim 1, wherein the circle centers of the deflection sleeve seat (241), the protective sleeve (242) and the connecting shaft rod (243) are located on the same straight line with the circle centers of the connecting shaft disc (210) and the end disc (220), the deflection ball groove (247) slidably abutted against the periphery of the retaining sleeve (245) is formed in the inner side of the deflection sleeve seat (241), the deflection ball groove (247) is hemispherical, a plurality of limiting rolling grooves (248) slidably abutted against the outer sides of the abutting balls (246) are formed in the inner side of the deflection sleeve seat (241), and the number of the limiting rolling grooves (248) is in one-to-one correspondence with the number of the abutting balls (246).
6. The hole depth detector for the numerical control machine tool as claimed in claim 1, wherein the protecting sleeve (242) is provided with a plurality of arc grooves for abutting against the abutting bead (246) on the outer side, the retaining sleeve (245) is provided with a positioning groove for abutting against the abutting bead (246) on the outer side, and two sides of the abutting bead (246) penetrate through the positioning groove and are slidably abutted against the surface of the protecting sleeve (242) and the inner side of the deflection sleeve seat (241), respectively.
7. The hole depth detector of claim 1, wherein the endoscopic probe (320) is fixedly mounted at an end of a machine head housing (310), a return spring with one end abutting against a surface of a linkage rod (351) is movably sleeved on a surface of the main slide bar (311), a plurality of guide grooves are formed on the surface of the machine head housing (310), one end of the linkage rod (351) penetrates through the guide grooves to the outer side of the machine head housing (310), and a plurality of balls (331) are arranged on a surface of the sliding support bar (330).
8. The hole depth detector for the numerical control machine tool as claimed in claim 1, wherein a displacement sensor is disposed inside the displacement sleeve seat (350), the main sliding rod (311) is located on the same straight line with the end disc (220) and the center of the nose casing (310), and the number of the sliding bars (330) is several groups and is distributed on the periphery of the main sliding rod (311) in the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211070858.6A CN115157008A (en) | 2022-09-02 | 2022-09-02 | Hole depth detector for numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211070858.6A CN115157008A (en) | 2022-09-02 | 2022-09-02 | Hole depth detector for numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115157008A true CN115157008A (en) | 2022-10-11 |
Family
ID=83480598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211070858.6A Pending CN115157008A (en) | 2022-09-02 | 2022-09-02 | Hole depth detector for numerical control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115157008A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105034020A (en) * | 2015-05-26 | 2015-11-11 | 上海大学 | Active head deflecting mechanism for tubular search and rescue robot facing gaps |
| CN107917677A (en) * | 2017-11-07 | 2018-04-17 | 中北大学 | Deep hole circularity real-time detection apparatus |
| CN108817653A (en) * | 2018-06-28 | 2018-11-16 | 中船重工海为郑州高科技有限公司 | A kind of snakelike pulse laser machining robot of rope driving |
| CN109282726A (en) * | 2018-10-18 | 2019-01-29 | 南京信息职业技术学院 | A kind of detection device of autonomous measurement deep hole internal diameter |
| CN109556530A (en) * | 2018-10-09 | 2019-04-02 | 天津大学 | A kind of abnormal shape inner walls of deep holes detection method |
| EP3772785A1 (en) * | 2019-08-09 | 2021-02-10 | The Boeing Company | Method and system for alignment and insertion of wire contact with wire contact insertion holes of a connector |
| CN113932742A (en) * | 2021-09-03 | 2022-01-14 | 徐州徐工精密工业科技有限公司 | Deep hole detection equipment for iron casting |
-
2022
- 2022-09-02 CN CN202211070858.6A patent/CN115157008A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105034020A (en) * | 2015-05-26 | 2015-11-11 | 上海大学 | Active head deflecting mechanism for tubular search and rescue robot facing gaps |
| CN107917677A (en) * | 2017-11-07 | 2018-04-17 | 中北大学 | Deep hole circularity real-time detection apparatus |
| CN108817653A (en) * | 2018-06-28 | 2018-11-16 | 中船重工海为郑州高科技有限公司 | A kind of snakelike pulse laser machining robot of rope driving |
| CN109556530A (en) * | 2018-10-09 | 2019-04-02 | 天津大学 | A kind of abnormal shape inner walls of deep holes detection method |
| CN109282726A (en) * | 2018-10-18 | 2019-01-29 | 南京信息职业技术学院 | A kind of detection device of autonomous measurement deep hole internal diameter |
| EP3772785A1 (en) * | 2019-08-09 | 2021-02-10 | The Boeing Company | Method and system for alignment and insertion of wire contact with wire contact insertion holes of a connector |
| CN113932742A (en) * | 2021-09-03 | 2022-01-14 | 徐州徐工精密工业科技有限公司 | Deep hole detection equipment for iron casting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5124579B2 (en) | Surface sensing device | |
| EP0315308B1 (en) | Cylindrical coordinate measuring machine | |
| JP2009125853A (en) | Sensor | |
| EP2312260B1 (en) | Detector and measuring device | |
| CN112033303A (en) | Device for measuring roundness and straightness of deep hole | |
| CN115157008A (en) | Hole depth detector for numerical control machine tool | |
| JP2006153884A (en) | Measurement head for probe | |
| CN101245999B (en) | Non-excavated underground pipe line attitude angle measuring sensing head | |
| US5647136A (en) | Automatic ball bar for a coordinate measuring machine | |
| US6678966B1 (en) | Reseat system of touch signal probe | |
| CN116222470A (en) | Dimension measuring mechanism and dimension measuring method for ferrule | |
| CN112577737B (en) | Linear bearing durability test tool | |
| CN218895736U (en) | Reel needle detection auxiliary jig | |
| JP2020187052A (en) | Optical measuring device and optical measuring method | |
| CN213748337U (en) | Structure of displacement switch | |
| CN220040299U (en) | Positioning auxiliary tool for rotation detection | |
| CN213752520U (en) | Displacement switch | |
| CN214378216U (en) | Structure of displacement switch | |
| CN111920395B (en) | Pulse acquisition device | |
| CN110671997B (en) | Circular component roundness running-in measuring tool | |
| CN111964669B (en) | Pipeline measuring device | |
| KR101842104B1 (en) | Separate multi axis angle measuring equipment | |
| CN113787473B (en) | Thin-wall spacer sleeve orientation and post-detection mechanism | |
| CN210464374U (en) | Hole detection instrument | |
| CN213364496U (en) | Resiliometer with guiding device for concrete quality detection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20221011 |