CN109414793A - Automatic thread detection device and its self-balancing mechanism - Google Patents
Automatic thread detection device and its self-balancing mechanism Download PDFInfo
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- CN109414793A CN109414793A CN201680086686.8A CN201680086686A CN109414793A CN 109414793 A CN109414793 A CN 109414793A CN 201680086686 A CN201680086686 A CN 201680086686A CN 109414793 A CN109414793 A CN 109414793A
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
Abstract
A kind of automatic thread detection device and its self-balancing mechanism, the automatic thread detection device include rack (100), three shaft transmission systems (200), testing agency (300), self-balancing mechanism (400) and NC machine (240)；Testing agency (300) is used for clamping go-no go gauge (40)；Self-balancing mechanism (400) will test Z-axis transmission mechanism (230) elastic equilibrium assembly connection of mechanism (300) Yu three shaft transmission systems (200), is detecting the rigid active force being subject to when operation for absorbing go-no go gauge (40) and then is avoiding damaging workpiece to be detected (30) and go-no go gauge (40)；NC machine (240) is mounted on rack (100) and is electrically connected with three shaft transmission systems (200) and testing agency (300), go-no go gauge (40) are driven to detect threaded hole to be measured for controlling three shaft transmission systems (200) movement, and for controlling testing agency (300) when the go-no go gauge (40) on testing agency (300) is directed at threaded hole to be measured.The detection device improves detection efficiency, and reduces cost of labor, and can effectively ensure will not missing inspection.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of mobile communication equipment manufacturing, in particular to an automatic thread detection device and a self-balancing mechanism thereof.
[ background of the invention ]
With the continuous development of communication technology and the continuous increase of market demand, the demand of communication products is continuously increased, the requirement of delivery time is shorter and shorter, and the cost of staff is higher and higher, so that the production cost must be continuously reduced, and the production efficiency is improved.
The existing filter product is provided with a large number of threaded holes, and in order to ensure the product quality, the large number of threaded holes must be detected completely, the existing detection method is to manually check each hole by using a go-no-go gauge (English name: go-no-fixed gauges), the manual detection efficiency is low, the labor intensity is high, and the missing detection is easy.
Referring to fig. 1, fig. 1 is a simplified structural diagram illustrating a detection of a workpiece to be detected by a go-no-go gauge in the prior art.
As shown in fig. 1, a workpiece 10 to be inspected is provided with a plurality of threaded holes, such as a large-sized threaded hole 11 and a small-sized threaded hole 12.
The go-no go gauge 20 generally comprises a go gauge part and a no-go gauge part, the principle of checking the threaded hole by the go-no go gauge 20 is to apply a certain torque to the go-no go gauge 20, when the go gauge is adopted for checking, the go gauge can pass through the threaded hole smoothly to be a good product, otherwise, the go gauge is a defective product; when the no-go gauge is adopted for detection, the no-go gauge is good if the no-go gauge is stopped within the specified number of turns, and is defective if the no-go gauge is not stopped.
[ summary of the invention ]
The invention provides an automatic thread detection device and a self-balancing mechanism thereof, which are used for solving the technical problems of low manual detection efficiency, high labor intensity and easiness in missed detection in the prior art.
In order to solve the technical problems, the invention adopts a technical scheme that: the automatic thread detection device comprises a rack, a three-axis transmission system, a detection mechanism, a self-balancing mechanism and a numerical control host;
the rack is provided with a workbench, the workbench is used for clamping a workpiece to be detected, and the workpiece to be detected is provided with a threaded hole to be detected;
the three-axis transmission system comprises an X-axis transmission mechanism, a Y-axis transmission mechanism and a Z-axis transmission mechanism which are mutually vertically and slidably connected, wherein the X-axis transmission mechanism is fixedly connected with the rack in parallel;
the detection mechanism is used for clamping the go-no go gauge;
the self-balancing mechanism elastically balances and assembles the detection mechanism and the Z-axis transmission mechanism and is used for absorbing the rigid acting force applied by the go-no go gauge during detection operation so as to avoid damaging the workpiece to be detected and the go-no go gauge;
the numerical control host computer is installed in the frame and with triaxial transmission system with the detection mechanism electricity is connected, is used for controlling triaxial transmission system motion is in order to adjust on the detection mechanism the position of logical no-go gage, and is used for leading no-go gage alignment control when the screw hole that awaits measuring the detection mechanism drives logical no-go gage is right the screw hole that awaits measuring detects.
According to a preferred embodiment of the present invention, the self-balancing mechanism comprises:
the bottom plate is fixedly assembled with the Z-axis transmission mechanism;
the insulating plate is assembled with the bottom plate in a sliding mode and fixedly assembled with the detection mechanism;
the inner end of the upper tension spring is fixedly connected to the middle of the bottom plate, and the outer end of the upper tension spring is connected to the upper end of the insulating plate and used for providing initial tension force to tension the upper end of the insulating plate towards the middle of the bottom plate;
and the inner end of the lower tension spring is fixedly connected to the middle part of the bottom plate, and the outer end of the lower tension spring is connected to the lower end of the insulating plate and used for providing initial tension force to tension the lower end of the insulating plate towards the middle of the bottom plate.
According to a preferred embodiment of the present invention, the self-balancing mechanism further comprises:
the sliding rail is arranged on the bottom plate;
and the sliding block is fixed with the insulating plate and is assembled with the sliding rail in a sliding manner.
According to a preferred embodiment of the present invention, the insulating plate includes:
a main body plate for fixing the detection mechanism;
the end plate, the end plate connect in the upper end and the lower extreme of main part board, be equipped with spacing hole on the end plate and dodge the groove, it is used for dodging to dodge the groove the slide rail.
According to a preferred embodiment of the present invention, the self-balancing mechanism further comprises:
the tail end of the adjusting screw is limited and inserted in the limiting hole,
the movable nut is in threaded connection with the head end of the adjusting screw, and the outer end of the upper tension spring and the outer end of the lower tension spring are both connected to the movable nut;
the adjusting screw is rotated to enable the moving nut to move up and down relative to the adjusting screw so as to adjust the initial tension force of the upper tension spring and the lower tension spring.
According to a preferred embodiment of the present invention, the self-balancing mechanism further includes a fixing member, the fixing member is fixed to the middle of the bottom plate, and inner ends of the upper tension spring and the lower tension spring are hooked on the fixing member.
According to a preferred embodiment of the invention, the fixing member is a pin connected to the base plate.
According to a preferred embodiment of the present invention, the movable nut includes a main body portion and a lug disposed on the main body portion, the main body portion abuts against the main body plate, the lug is provided with a hanging hole, and outer ends of the upper tension spring and the lower tension spring are hooked on the hanging hole.
According to a preferred embodiment of the present invention, the upper tension spring and the lower tension spring are both provided in multiple sets.
According to a preferred embodiment of the present invention, the self-balancing mechanism further includes a fixing plate, the fixing plate is vertically and fixedly connected to the main body plate, and the detecting mechanism is fixedly assembled and connected to the fixing plate.
According to a preferred embodiment of the present invention, the automatic thread detecting device further includes an image sensor, and the image sensor is fixed on the bottom plate or the insulating plate and is configured to detect an initial position of the workpiece to be detected.
According to a preferred embodiment of the invention, the automatic thread detection device further comprises a tool magazine, the tool magazine is arranged on the workbench, the tool magazine comprises a support, an installation plate and a tool shank, the support is used for supporting the installation plate, the installation plate is provided with a plurality of through holes, the through holes are used for placing the tool shank, and the tool shank is used for clamping go-no go gauges with different specifications.
According to a preferred embodiment of the invention, the numerical control host is also electrically connected with a control box, the control box is provided with start, reset and stop buttons, and the control box is arranged at the front end of the side edge of the workbench.
According to a preferred embodiment of the present invention, the numerical control host is further configured to automatically record a detection result of the threaded hole to be detected, and process the detection result.
In order to solve the technical problem, the invention adopts another technical scheme that: there is provided a self-balancing mechanism comprising:
the bottom plate is used for fixedly assembling with a first device;
the insulating plate is assembled with the bottom plate in a sliding mode;
the inner end of the upper tension spring is fixedly connected to the middle of the bottom plate, and the outer end of the upper tension spring is connected to the upper end of the insulating plate and used for providing initial tension force to tension the upper end of the insulating plate towards the middle of the bottom plate;
the inner end of the lower tension spring is fixedly connected to the middle of the bottom plate, and the outer end of the lower tension spring is connected to the lower end of the insulating plate and used for providing initial tension force to tension the lower end of the insulating plate towards the middle of the bottom plate;
the insulating plate is also used for being fixedly assembled with a second device, so that the elastic balance assembly connection of the first device and the second device is realized.
The invention has the beneficial effects that: different from the situation of the prior art, the automatic thread detection device provided by the invention adopts an automatic mechanical mode to detect the threaded hole, so that the detection efficiency is greatly improved, the labor cost is reduced, and meanwhile, the detection omission can be effectively avoided.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a simplified structural diagram of a prior art method for detecting a workpiece to be detected by using a go-no-go gauge;
FIG. 2 is a schematic perspective view of an automatic thread checking apparatus according to the present invention;
fig. 3 is an enlarged schematic structural view of a self-balancing mechanism in the automatic thread detecting apparatus shown in fig. 2;
FIG. 4 is an enlarged schematic view of a part of the self-balancing mechanism shown in FIG. 3;
fig. 5 is an enlarged schematic view of a tool magazine in the automatic thread checking apparatus shown in fig. 2.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 2, fig. 2 is a schematic perspective view of an automatic thread detecting device according to the present invention.
As shown in fig. 2, the present invention provides an automatic thread detecting apparatus, which includes a frame 100, a three-axis transmission system 200, a detecting mechanism 300, a self-balancing mechanism 400, and a numerical control main machine 240.
The rack 100 is provided with a worktable 110, the worktable 110 is used for clamping a workpiece 30 to be detected, and the workpiece 30 to be detected is provided with one or more threaded holes to be detected. The rack 100 may be formed by splicing a plurality of cross frames, vertical frames and/or inclined frames, or by splicing a plurality of plates, the workbench 110 is used for placing related parts, and the workpiece 30 to be detected is fixed by the clamp 111 on the workbench 100.
The three-axis transmission system 200 includes an X-axis transmission mechanism 210, a Y-axis transmission mechanism 220, and a Z-axis transmission mechanism 230, which are vertically slidably connected to each other. The X-axis transmission mechanism 210 is fixedly connected to the frame 100 in parallel, the Y-axis transmission mechanism 220 is arranged in parallel to the frame 100 and slidably connected to the X-axis transmission mechanism 210, and the Z-axis transmission mechanism 230 is slidably connected to the Y-axis transmission mechanism 220 in the vertical direction. The specific structure and operation of the three-axis transmission system 200 can refer to the existing numerical control machine tool, and generally, the X-axis transmission mechanism 210, the Y-axis transmission mechanism 220, and the Z-axis transmission mechanism 230 all include components such as a main shaft and a driving motor, which are not described herein again since they do not relate to the invention.
The detection mechanism 300 is connected with the Z-axis transmission mechanism 230 of the three-axis transmission system 200 through a self-balancing mechanism 400, and the detection mechanism 300 is used for clamping the go-no-go gauge 40 (see fig. 3 and 5) to perform thread detection on the workpiece 30 to be detected. In the embodiment of the present invention, the detection mechanism 300 includes a servo motor and a clamping tool connected to a main shaft of the servo motor, the clamping tool is used for clamping the go-no go gauge 40, the servo motor is used for driving the go-no go gauge 40 to rotate when receiving a control command, and the servo motor can accurately control the output torque and the rotation speed, so as to ensure the quality of the product to be detected.
The self-balancing mechanism 400 elastically and balance-assembles and connects the detection mechanism 300 and the Z-axis transmission mechanism 230, and is used for absorbing the rigid acting force received by the up-and-down movement of the go-and-no-go gauge 40 when the detection mechanism 300 detects the threaded hole, so that the detection mechanism 300 moves up and down relative to the Z axis, and the threaded hole of the workpiece 30 to be detected and the go-and-no-go gauge 40 are prevented from being damaged. One side surface of the self-balancing mechanism 400 is fixedly connected to the end of the Z-axis transmission mechanism 230 of the three-axis transmission system 200, and the other side surface of the self-balancing mechanism 400 is fixedly connected to the detection mechanism 300.
The numerical control main machine 240 is fixed on the frame 100, and particularly can be fixed at an easy-to-operate position through a mounting bracket 241. The numerical control host 240 is used for sending a control signal to drive the X-axis transmission mechanism 210, the Y-axis transmission mechanism 220 and the Z-axis transmission mechanism 230 to move in a three-dimensional space, so that the go-no go gauge 40 (see fig. 3) fixedly connected to the detection mechanism 300 at the tail end of the Z-axis transmission mechanism 230 is just aligned to a threaded hole to be detected, and each threaded hole position of the workpiece 30 to be detected is written into a detection program by the numerical control host 240, thereby effectively avoiding missing detection. The numerical control host 240 stores a pre-programmed instruction for a specific workpiece, and the numerical control host 240 is further configured to control the detection mechanism 300 to drive the go-no go gauge 40 thereon to detect the threaded hole to be detected when the go-no go gauge 40 on the detection mechanism 300 is just aligned with the threaded hole to be detected. Further, the numerical control host 240 may also automatically record a detection result of each threaded hole to be detected, and may perform relevant processing on the detection result, for example, display the detection result, or automatically store the detection result in a designated position, and the like. The control box 250 is electrically connected with the numerical control host 240, and the control box 250 may be provided with buttons for starting, resetting, stopping and the like, and is arranged at a place where an operator can operate conveniently, for example, at the front end of the side of the workbench 110, so as to facilitate the operation of the operator by the right hand.
If the self-balancing mechanism 400 is not provided, the detection mechanism 300 is directly and fixedly connected with the Z-axis transmission mechanism 230, and the rigid force of the detection mechanism 300 along with the lifting operation of the Z-axis transmission mechanism 230 directly acts on the through-stop gauge 40 and the threaded holes of the workpiece 30 to be detected, so that the through-stop gauge 40 and the threaded holes of the workpiece 30 to be detected are easily damaged, and the detection scheme is not feasible.
Specifically, please refer to fig. 3 and 4 together, wherein fig. 3 is an enlarged schematic structural diagram of a self-balancing mechanism in the automatic thread detecting device shown in fig. 2; fig. 4 is an enlarged structural schematic diagram of part of the self-balancing mechanism shown in fig. 3.
The invention provides a self-balancing mechanism 400, and the self-balancing mechanism 400 comprises a bottom plate 410, an insulating plate 420, an upper tension spring 430, a lower tension spring 440, a slide rail 450, a slide block 460, an adjusting screw 470, a moving nut 480 and a fixing piece 490.
As is known, tension springs are made of tightly wound metal wires, with hooks at both ends. Tension springs differ from springs, which are typically formed by wires wound at predetermined intervals, springs typically produce a corresponding outward pushing force when subjected to an inward pressure, and tension springs produce a corresponding inward pulling force when subjected to an outward pulling force.
In the embodiment of the present invention, the bottom plate 410 is used to be fixedly connected to the end of the aforementioned Z-axis transmission mechanism 230. The slide rail 450 is disposed on the bottom plate 410, and the direction of the slide rail 450 is parallel to the direction of the Z-axis transmission mechanism 230, specifically, the number of the slide rails may be one, two or more, and under two or more conditions, the slide of the insulating plate 420 is relatively more stable, and unnecessary shaking is not easily generated. The side of the sliding rail 450 is provided with a plurality of fixing members 490, for example, 4 fixing members 490 shown in fig. 3 are fixed at the middle of the bottom plate 410, and the fixing members 490 are symmetrically arranged at both sides of the sliding rail 450. In an exemplary embodiment, the fixing member 490 may be a pin, a screw or other structures connected to the bottom plate 410 for hooking the inner ends of the upper and lower tension springs 430 and 440.
The insulating plate 420 has substantially the same size as the bottom plate 410, the insulating plate 420 is slidably mounted on the bottom plate 410 in the direction of the Z-axis transmission mechanism 230, and the detection mechanism 300 is fixedly mounted on the outer side of the insulating plate 420. The slider 460 is fixed to the inner side of the insulating plate 420 and is slidably assembled with the slide rail 450. Preferably, two sliding blocks 460 may be disposed on one sliding rail 450, and the sliding rail 450 and the sliding block 460 may be engaged in a dovetail groove manner, so that the insulating plate 420 is stably assembled with the bottom plate 410 in a sliding manner and cannot be separated or deviated.
In a specific embodiment, the insulating plate 420 includes a main body plate 421 and an end plate 422, wherein the main body plate 421 and the bottom plate 410 are arranged in parallel, the slider 460 can be fixed to the main body plate 421 through a screw, the end plate 422 is connected to the upper end and the lower end of the main body plate 421, the end plate 422 is provided with a limiting hole 423 and an avoiding groove 424, and the avoiding groove 424 is used for avoiding the sliding rail 450.
In the above description, the insulating plate 420 and the bottom plate 410 are slidably engaged with each other through the slide rail 450 and the slider 460, and in the actual detection operation, the insulating plate 420 allows only a small displacement with respect to the bottom plate 410, so that the small displacement of the insulating plate 420 with respect to the bottom plate 410 is realized through the upper tension spring 430, the lower tension spring 440, the moving nut 480 and the adjusting screw 470. Among them, the upper tension spring 430, the lower tension spring 440, the moving nut 480 and the adjusting screw 470 are preferably multiple sets, for example, 4 sets shown in fig. 3, symmetrically distributed on two sides of the slide rail 450.
As shown in fig. 4, the moving nut 480 includes a main body portion 481 and a lug 482 provided on the main body portion 481, the main body portion 481 and the main body plate 421 are disposed to abut via a flat surface 484 to prevent the moving nut 480 from rotating synchronously when the adjusting screw 470 rotates, thereby forcing the moving nut 480 to perform an up-and-down movement. The lug 482 is provided with a hanging hole 483, and the outer ends of the upper tension spring 430 and the lower tension spring 440 are hooked on the hanging hole 483.
The inner ends of the upper and lower tension springs 430 and 440 are hooked on the fixing member 490. The outer ends of the upper and lower tension springs 430 and 440 are indirectly connected to the upper and lower ends of the insulating plate 420, respectively, sequentially by the moving nut 480 and the adjusting screw 470.
Specifically, the inner end 431 of the upper extension spring 430 is fixedly coupled to the fixture 490 at the middle of the base plate 410, and the outer end 432 of the upper extension spring 430 is coupled to the upper end of the insulating plate 420 for providing an initial tensioning force to tension the upper end of the insulating plate 420 toward the middle of the base plate 410.
The lower tension spring 440 has an inner end fixedly coupled to the fixing member 490 at the middle of the base plate 410 and an outer end coupled to the lower end of the insulating plate 420 for providing an initial tension force to pull the lower end of the insulating plate 420 toward the middle of the base plate 410.
The tail end 471 of the adjusting screw 470 is inserted into the limiting hole 423 of the end plate 422 in a limiting manner, and the limiting hole 423 may be a counter bore to accommodate the tail end 471 of the adjusting screw 470; alternatively, the limiting hole 423 is a light hole, and the adjusting screw 470 passes through the limiting hole 423 and makes the tail end 471 hang on the outer end of the limiting hole 423. The movable nut 480 is in threaded connection with the head end 472 of the adjusting screw 470, and the outer end 432 of the upper tension spring 430 and the outer end of the lower tension spring 440 are both connected to the movable nut 480; the initial tension of the upper and lower tension springs 430 and 440 may be adjusted by rotating the adjustment screw 470 such that the traveling nut 480 moves up and down relative to the adjustment screw 470.
When the upper tension spring 430 and the lower tension spring 440 both have a certain initial tension force, the gravity of the detection mechanism 300 and the insulating plate 420 is offset by the lower tension spring 440, and the go-no go gauge 40 is not affected by the gravity during the detection operation.
The go-no-go gauge 40 can descend synchronously when rotating in the threaded hole of the workpiece 30 to be detected, if the threaded hole is unqualified, for example, the aperture of the threaded hole is unqualified or the inner wall has a bur, the go-no-go gauge 40 can be prevented from descending, and if the flexible buffer adjustment function formed by the upper tension spring 430 and the lower tension spring 440 is not available, the go-no-go gauge 40 and the threaded hole can be damaged by rigid acting force.
In addition, the self-balancing mechanism 400 further comprises a fixing plate 425 and a side plate 491, wherein the fixing plate 425 is vertically and fixedly connected with the main body plate 421, and the detection mechanism 300 is fixedly assembled and connected with the fixing plate 425. The side plate 491 is connected to the side of the insulating plate 420, and can be used as a protective cover plate for the side of the self-balancing mechanism 400, so as to prevent sundries from being jammed inside the self-balancing mechanism 400 to affect the sliding 460 or the upper tension spring 430 and the lower tension spring 440.
In order to facilitate the automatic operation, the automatic thread detecting apparatus further includes an image sensor 500 (see fig. 2), the image sensor 500 may be fixed to the side plate 491 via a mounting plate 492 and then fixed to the insulating plate 420 or the bottom plate 410, and the image sensor 500 is configured to detect an initial position of the workpiece 30 to be detected. The image sensor 500 employs a high pixel CCD deskew system to ensure that the go/no-go gauge 40 is precisely aligned with each threaded hole.
Referring to fig. 5, fig. 5 is an enlarged schematic view of a tool magazine of the automatic thread checking apparatus shown in fig. 2.
In order to detect the threaded holes of different specifications conveniently, the automatic thread detection device further comprises a tool magazine 600, the tool magazine 600 comprises a support 610, a mounting plate 620 and a tool shank 630, the support 610 is used for supporting the mounting plate 620, a plurality of through holes 621 are formed in the mounting plate 620, the through holes 621 are used for placing the tool shank 630, and the tool shank 630 is used for clamping the go-no go gauges 40 of different specifications.
In summary, those skilled in the art can easily understand that the automatic thread detection device provided by the invention adopts an automatic mechanical mode to detect the threaded hole, so that the detection efficiency is greatly improved, the labor cost is reduced, and meanwhile, the detection omission can be effectively avoided.
In the above embodiment, the balancing mechanism 400 is used to elastically balance and assemble the detecting mechanism 300 and the Z-axis transmission mechanism 230 to absorb the rigid acting force applied by the go/no-go gauge 40 during the detecting operation so as to avoid damaging the workpiece 30 to be detected and the go/no-go gauge 40. Self-balancing mechanism 400 may also be applied to other apparatuses to couple two devices of the apparatus in a balanced assembly. For example, the bottom plate 410 of the balance mechanism 400 is fixedly assembled with a first device, and the insulating plate 420 of the balance mechanism 400 is fixedly assembled with a second device. Thereby elastically balancing the first device and the second device with the balancing mechanism 400.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (20)
- An automatic thread detection device is characterized by comprising a rack, a three-axis transmission system, a detection mechanism, a self-balancing mechanism and a numerical control host;the rack is provided with a workbench, the workbench is used for clamping a workpiece to be detected, and the workpiece to be detected is provided with a threaded hole to be detected;the three-axis transmission system comprises an X-axis transmission mechanism, a Y-axis transmission mechanism and a Z-axis transmission mechanism which are mutually vertically and slidably connected, wherein the X-axis transmission mechanism is fixedly connected with the rack in parallel;the detection mechanism is used for clamping the go-no go gauge;the self-balancing mechanism elastically balances and assembles the detection mechanism and the Z-axis transmission mechanism and is used for absorbing the rigid acting force applied by the go-no go gauge during detection operation so as to avoid damaging the workpiece to be detected and the go-no go gauge;the numerical control host computer is installed in the frame and with triaxial transmission system with the detection mechanism electricity is connected, is used for controlling triaxial transmission system motion is in order to adjust on the detection mechanism the position of logical no-go gage, and is used for leading no-go gage alignment control when the screw hole that awaits measuring the detection mechanism drives logical no-go gage is right the screw hole that awaits measuring detects.
- The automatic thread sensing device of claim 1, wherein said self-balancing mechanism comprises:the bottom plate is fixedly assembled with the Z-axis transmission mechanism;the insulating plate is assembled with the bottom plate in a sliding mode and fixedly assembled with the detection mechanism;the inner end of the upper tension spring is fixedly connected to the middle of the bottom plate, and the outer end of the upper tension spring is connected to the upper end of the insulating plate and used for providing initial tension force to tension the upper end of the insulating plate towards the middle of the bottom plate;and the inner end of the lower tension spring is fixedly connected to the middle part of the bottom plate, and the outer end of the lower tension spring is connected to the lower end of the insulating plate and used for providing initial tension force to tension the lower end of the insulating plate towards the middle of the bottom plate.
- The automatic thread sensing device of claim 2, wherein said self-balancing mechanism further comprises:the sliding rail is arranged on the bottom plate;and the sliding block is fixed with the insulating plate and is assembled with the sliding rail in a sliding manner.
- The automatic thread sensing device of claim 3, wherein said insulator plate comprises:a main body plate for fixing the detection mechanism;the end plate, the end plate connect in the upper end and the lower extreme of main part board, be equipped with spacing hole on the end plate and dodge the groove, it is used for dodging to dodge the groove the slide rail.
- The automatic thread detection device of claim 4, wherein the self-balancing mechanism further comprises:the tail end of the adjusting screw is limited and inserted in the limiting hole,the movable nut is in threaded connection with the head end of the adjusting screw, and the outer end of the upper tension spring and the outer end of the lower tension spring are both connected to the movable nut;the adjusting screw is rotated to enable the moving nut to move up and down relative to the adjusting screw so as to adjust the initial tension force of the upper tension spring and the lower tension spring.
- The automatic thread detecting device of claim 5, wherein the self-balancing mechanism further comprises a fixing member fixed to the middle of the bottom plate, and inner ends of the upper tension spring and the lower tension spring are hooked on the fixing member.
- The automatic thread sensing device of claim 6 wherein said securing member is a pin attached to said base plate.
- The automatic thread detecting device of claim 6, wherein the movable nut comprises a main body portion and a lug arranged on the main body portion, the main body portion is attached to the main body plate in a plane, a hanging hole is formed in the lug, and outer ends of the upper tension spring and the lower tension spring are hooked on the hanging hole.
- The automatic thread detecting device of claim 8, wherein the upper tension spring and the lower tension spring are each a plurality of sets.
- The automatic thread detection device of claim 9, wherein the self-balancing mechanism further comprises a fixing plate, the fixing plate is vertically and fixedly connected with the main body plate, and the detection mechanism is fixedly assembled and connected with the fixing plate.
- The automatic thread sensing device of claim 10, further comprising an image sensor fixed to said base plate or said insulating plate for sensing an initial position of said workpiece to be sensed.
- The automatic thread detection device of claim 11, further comprising a tool magazine, wherein the tool magazine is arranged on the workbench and comprises a support, a mounting plate and a tool shank, the support is used for supporting the mounting plate, a plurality of through holes are formed in the mounting plate and used for placing the tool shank, and the tool shank is used for clamping go-no go gauges with different specifications.
- The automatic thread detection device of claim 9, wherein the numerical control host is further electrically connected with a control box, the control box is provided with start, reset and stop buttons, and the control box is arranged at the front end of the side edge of the workbench.
- The automatic thread detection device of claim 9, wherein the numerical control host is further configured to automatically record a detection result of the threaded hole to be detected, and process the detection result.
- A self-balancing mechanism, comprising:the bottom plate is used for fixedly assembling with a first device;the insulating plate is assembled with the bottom plate in a sliding mode;the inner end of the upper tension spring is fixedly connected to the middle of the bottom plate, and the outer end of the upper tension spring is connected to the upper end of the insulating plate and used for providing initial tension force to tension the upper end of the insulating plate towards the middle of the bottom plate;the inner end of the lower tension spring is fixedly connected to the middle of the bottom plate, and the outer end of the lower tension spring is connected to the lower end of the insulating plate and used for providing initial tension force to tension the lower end of the insulating plate towards the middle of the bottom plate;the insulating plate is also used for being fixedly assembled with a second device, so that the elastic balance assembly connection of the first device and the second device is realized.
- The self-balancing mechanism of claim 15, further comprising:the sliding rail is arranged on the bottom plate;and the sliding block is fixed with the insulating plate and is assembled with the sliding rail in a sliding manner.
- The self-balancing mechanism of claim 16, wherein the insulator plate comprises:a main body plate for fixing the second device;the end plate, the end plate connect in the upper end and the lower extreme of main part board, be equipped with spacing hole on the end plate and dodge the groove, it is used for dodging to dodge the groove the slide rail.
- The self-balancing mechanism of claim 17, further comprising:the tail end of the adjusting screw is limited and inserted in the limiting hole,the movable nut is in threaded connection with the head end of the adjusting screw, and the outer end of the upper tension spring and the outer end of the lower tension spring are both connected to the movable nut;the adjusting screw is rotated to enable the moving nut to move up and down relative to the adjusting screw so as to adjust the initial tension force of the upper tension spring and the lower tension spring.
- The self-balancing mechanism of claim 18, further comprising a fixing member fixed to a middle portion of the bottom plate, wherein inner ends of the upper and lower tension springs are hooked on the fixing member.
- The automatic thread detecting device of claim 19, wherein the movable nut comprises a main body portion and a lug disposed on the main body portion, the main body portion is attached to the main body plate, the lug is provided with a hanging hole, and outer ends of the upper tension spring and the lower tension spring are hooked on the hanging hole.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/112963 WO2018119850A1 (en) | 2016-12-29 | 2016-12-29 | Automatic thread detection device and self-balancing mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109414793A true CN109414793A (en) | 2019-03-01 |
Family
ID=62710988
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680086686.8A Pending CN109414793A (en) | 2016-12-29 | 2016-12-29 | Automatic thread detection device and its self-balancing mechanism |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109414793A (en) |
| WO (1) | WO2018119850A1 (en) |
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| CN113146461A (en) * | 2021-05-11 | 2021-07-23 | 银川市恒益达机械有限公司 | Honing machine and honing production line |
| CN116952096A (en) * | 2023-09-19 | 2023-10-27 | 湖南裕丰紧固件有限公司 | Detection equipment for threads |
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| CN113701583B (en) * | 2021-09-16 | 2024-01-30 | 昆山星益沅精密机械有限公司 | Floating thread gauge and automatic thread detection device applying same |
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Also Published As
| Publication number | Publication date |
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| WO2018119850A1 (en) | 2018-07-05 |
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