CN113899310A - Automatic interchangeability detection device and method for five-groove type electric initiating explosive device - Google Patents
Automatic interchangeability detection device and method for five-groove type electric initiating explosive device Download PDFInfo
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- CN113899310A CN113899310A CN202110987503.2A CN202110987503A CN113899310A CN 113899310 A CN113899310 A CN 113899310A CN 202110987503 A CN202110987503 A CN 202110987503A CN 113899310 A CN113899310 A CN 113899310A
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The invention discloses an automatic interchangeability detection device for five-groove type electric initiating explosive devices, which is characterized in that a floating device and a detection device operating device are designed, so that the detection device and a product to be detected are in staggered fit at first, the detection device and the product to be detected are further matched under the combined action of a rotating motor and the elasticity of a compression spring, and the tightness of the fit between the detection device and the product to be detected is effectively detected through a sensor.
Description
Technical Field
The invention belongs to the technical field of interchangeability detection, relates to a device and a method for automatically detecting interchangeability of five-groove type electric initiating explosive devices, and is suitable for automatically detecting interchangeability of five-groove type aerospace electric initiating explosive devices.
Background
As a common aerospace initiating explosive device, an initiator (ignition) device (figure 10) belongs to a very key inspection element in interchangeability inspection, 100% of inspection is qualified in a finished product inspection link, and at least 3 connecting plugs are required to be used for each product, namely, the inspection device (figure 11) performs interchangeability inspection, so that the reliable connection and self-locking of a product plugging end are ensured.
With the recent year-by-year increase of model tasks of companies, a large number of electric initiating (igniting) devices are on line, and the workload is greatly increased. The plug-in part of the priming (ignition) device mainly has 3 plug-in forms of five-groove type, convex key type, mark groove type and the like, and the number of the five-groove type products is at most, and the five-groove type products account for about 62%. At present, interchangeability check of initiating explosive devices (igniters) is carried out by manual screwing in and out, time and labor are wasted, detection efficiency is low, the problems of poor detection consistency and poor traceability exist, the traditional detection mode is increasingly unable to adapt to a new production mode, and new requirements of high-speed development and aerospace product quality of companies cannot be met.
Therefore, the automatic interchangeability detection device for the five-groove type electric initiating explosive device is very important for overall interchangeability equipment.
Disclosure of Invention
The invention aims to overcome the defects and provides a device and a method for detecting automatic interchangeability of five-groove type electric initiating explosive devices.
In order to achieve the above purpose, the invention provides the following technical scheme:
a five-groove type automatic interchangeability detection device for electric initiating explosive devices comprises a base, a floating device and a detection tool operating device;
the floating device comprises a fixing device and a compression spring; the fixing device is connected to the base in a sliding mode and used for fixing a product to be detected, one end of the compression spring is connected with the base, and the other end of the compression spring is connected with the fixing device;
the checking fixture operating device comprises a first telescopic mechanism, a rotating motor, a checking fixture fixing piece and a sensor; the first telescopic mechanism is connected with the rotating motor, so that the rotating motor reciprocates along the axis direction of a product to be detected; the output shaft of the rotating motor is fixedly connected with a checking fixture fixing part, the checking fixture fixing part is used for fixing the checking fixture, the axis of the checking fixture is collinear with the axis of a product to be detected, the rotating motor drives the checking fixture fixing part to rotate so as to enable the checking fixture to rotate around the axis of the rotating motor, and the first telescopic mechanism enables the rotating motor to reciprocate along the axis direction of the product to be detected so as to drive the checking fixture to be matched with the product; the sensor is used for acquiring the matching state of the product to be detected and the checking fixture.
Furthermore, the inspection device operating device also comprises a guide sleeve, a pressing plate and a floating thimble, wherein the guide sleeve is provided with a thimble hole, the thimble hole is a through hole, and the floating thimble comprises a thimble rod with one ellipsoidal end, a disc-shaped end head arranged at the other end of the thimble rod and a thimble spring sleeved outside the thimble rod; the thimble rod is of a stepped shaft structure, the thimble rod externally sleeved with the thimble spring is matched with the thimble hole, the ellipsoidal end extends out of the thimble hole and is aligned with the pin shaft hole of the checking fixture, and two ends of the thimble spring are respectively limited by a shaft shoulder and a pressing plate of the thimble rod stepped shaft structure; when the product pin shaft is screwed into the pin shaft hole of the checking fixture, the ellipsoidal end of the thimble rod is propped against, so that the floating thimble integrally moves along the axial direction of the thimble rod, the thimble spring is compressed, and when the product is screwed out, the floating thimble restores to an initial state under the elastic force of the thimble spring;
the sensor is a laser position sensor, the laser position sensor is fixedly connected with an output shaft of a rotating motor, the rotating motor drives the checking fixture to rotate, the rotating torque reaches a set value, the fixing device loosens the product, the rotating motor drives the checking fixture and the screwed product to rotate again, the laser position sensor is aligned to the disc-shaped end of the floating thimble, and the matching state of the product to be detected and the checking fixture is obtained through detecting the displacement change of the disc-shaped end.
Further, fixing device includes tongs and cylinder, the tongs is connected with the cylinder, and the tongs includes first tongs and second tongs, the cylinder drives first tongs and second tongs respectively and carries out the reciprocating motion of opposite directions and along the axis direction of waiting to detect the product, form after first tongs and the cooperation of second tongs and the hexagonal hole that matches with waiting to detect the product.
Furthermore, the fixing device further comprises a fixing plate, the fixing plate is arranged on one side, facing the product to be detected, of the air cylinder and perpendicular to the axis of the product to be detected, a product positioning hole matched with the product to be detected is formed in the fixing plate, and one end, far away from the checking fixture, of the product to be detected is matched with the product positioning hole, so that the product to be detected is positioned.
Further, the base comprises a bottom plate, a support and a positioning shaft, the support is vertically arranged on the bottom plate, and one end of the positioning shaft is connected with the support and is collinear with the axis of the product to be detected;
the fixing device and the telescopic mechanism are connected with the bottom plate, and one end of the compression spring is fixedly connected with the other end of the positioning shaft.
Furthermore, the floating device further comprises a spring protection cover, wherein the spring protection cover covers the outside of the compression spring and can slide along the positioning shaft.
Furthermore, the floating device also comprises a second telescopic mechanism, and the second telescopic mechanism is fixedly connected with the spring protection cover; the second telescopic mechanism enables the spring protection cover to push the fixing device towards the direction of the product to be detected along the axis of the product to be detected, and the fixing device is used for resetting or compensating the elasticity of the product to be detected when the compression spring rebounds;
the second telescopic mechanism enables the spring protection cover to be far away from the fixing device along the axis of the product to be detected, and the resistance of the spring protection cover to the fixing device when the spring is compressed is reduced;
the second telescopic mechanism is a cylinder.
Further, a first telescopic mechanism in the checking fixture operating device comprises an air cylinder and a sliding table, the air cylinder is fixedly connected with the base, the rotating motor is connected with the sliding table, and the air cylinder drives the sliding table to further drive the rotating motor to reciprocate along the axis direction of a product to be detected.
Further, the checking fixture fixing piece comprises a body and a fixing pin, and a checking fixture mounting hole and a pin hole are formed in the body;
the checking fixture mounting hole is formed in one side, facing the product to be detected, of the body, and is a counter bore used for being matched with the checking fixture; the pin hole is perpendicular to the mounting hole of the checking fixture, is a through hole and is matched with the fixing pin to fix the checking fixture.
Further, the gauge fixing part is further provided with an L-shaped expansion joint, the L-shaped expansion joint is intersected with the gauge mounting hole, the matching state of the gauge and the gauge mounting hole is finely adjusted through expansion and contraction of the L-shaped expansion joint, and the expansion and contraction state of the L-shaped expansion joint is fixed through bolts.
A method for detecting automatic interchangeability of five-groove type electric initiating explosive devices is realized by adopting the device for detecting automatic interchangeability of five-groove type electric initiating explosive devices, and comprises the following steps:
s1, the first telescopic mechanism enables the rotating motor to move towards the product to be detected along the axis direction of the product to be detected, the checking fixture is driven to be preliminarily matched with the product to be detected, and the checking fixture and the product to be detected are in a staggered state;
s2, the first telescopic mechanism further drives the checking fixture to push the fixing device to compress the compression spring until the checking fixture reaches a preset position and then stops moving;
s3, the rotating motor drives the detection tool fixing piece to rotate so as to enable the detection tool to rotate, and the detection tool and a product to be detected are aligned successfully;
s4 the compression spring releases elastic potential energy to enable the product to be detected to move towards the detection tool, the detection tool and the product to be detected are further matched under the combined action of the elastic force of the product to be detected of the compression spring and the torque of the rotating motor on the detection tool, and the matching state of the product to be detected and the detection tool is obtained through the sensor.
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the invention, through designing the floating device and the inspection tool operating device, the inspection tool and the product to be detected are in dislocation fit at first, and then the inspection tool and the product to be detected are further matched under the combined action of the rotating motor and the elastic force of the compression spring, so that the interchangeability automatic detection of a five-groove detonation (ignition) device finished product is realized for the first time, the traditional manual mode is replaced, the multi-specification inspection tool is matched to realize the multi-specification product detection, the labor intensity is reduced, and the inspection efficiency is improved;
(2) according to the automatic interchangeability detection device for the five-groove type electric initiating explosive device, the compression spring, the first telescopic mechanism and the rotating motor are matched with each other, and the tightness of matching between the detection tool and a product to be detected is effectively detected through the sensor;
(3) in a preferred scheme, the floating thimble structure is designed, the matching tightness degree between the checking tool and the product to be detected is reflected on the displacement of the floating thimble, the detection is carried out by combining the laser position sensor, the reliable connection and self-locking between the checking tool and the product to be detected are conveniently judged, and the reliability of the judgment result is high;
(4) according to the automatic interchangeability detection device for the five-groove type electric initiating explosive device, in a preferred scheme, a second telescopic mechanism is introduced, so that on one hand, the fixing device can be reset or the elasticity of a product to be detected when a compression spring rebounds is compensated, and on the other hand, the resistance borne by the fixing device when the compression spring is compressed is reduced;
(5) according to the automatic interchangeability detection device for the five-groove type electric initiating explosive device, in a preferred scheme, a structure of a detection tool fixing piece is designed, so that the detection tool is stably clamped, an L-shaped expansion joint is designed, the detection tool fixing piece is separated at the position of the expansion joint, and the matching state of the detection tool and a detection tool mounting hole is convenient to finely adjust through the expansion and contraction of the L-shaped expansion joint;
(6) the automatic interchangeability detection device for the five-groove type electric initiating explosive device adopts a reasonable and reliable structural design, and utilizes the air cylinder to apply the grip acting forces on two sides, so that the clamp can stably and reliably clamp the product to be detected, the axis of the product to be detected is ensured to be collinear with the axis of the detection tool, and the detection quality is ensured.
Drawings
FIG. 1 is a three-dimensional schematic view of an automatic interchangeability testing device for five-groove type electric initiating explosive devices according to the invention;
FIG. 2 is a top view of the automatic interchangeability testing device for five-slot type electric initiating explosive devices according to the present invention;
FIG. 3 is a side view of the automatic interchangeability testing device for five-groove type electric initiating explosive devices according to the present invention;
FIG. 4 is a cross-sectional view of an automatic interchangeability testing device for five-slot type electric initiating explosive devices according to the present invention;
FIG. 5 is a three-dimensional schematic view of a fixture mount of the present invention;
FIG. 6 is a cross-sectional view of a fixture mount of the present invention;
FIG. 7 is a three-dimensional schematic view of the guide sleeve of the present invention;
FIG. 8 is a three-dimensional schematic view of a floating thimble according to the present invention;
FIG. 9 is a three-dimensional schematic view of a platen according to the present invention;
FIG. 10 is a three-dimensional schematic view of a typical prior art five-flute type product detonator (ignitor);
FIG. 11 is a three-dimensional schematic view of a typical prior art five-groove product detonator (igniter);
FIG. 12 is a three-dimensional schematic view of the guide sleeve, pressing plate and floating thimble assembly of the present invention;
FIG. 13 is a cross-sectional view of the guide sleeve, pressure plate and floating thimble combination of the present invention.
Detailed Description
The features and advantages of the present invention will become more apparent and appreciated from the following detailed description of the invention.
The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The invention designs a five-groove type automatic interchangeability detection device for electric initiating explosive devices, which is used for realizing automatic detection operation of product interchangeability, replacing the traditional manual mode and being matched with a multi-specification detection tool to realize multi-specification product detection.
The invention relates to an automatic interchangeability detection device for five-groove type electric initiating explosive devices, which comprises a base 1, a floating device 5 and a detection tool operating device 4; the floating device 5 comprises a fixing device 51 and a compression spring 52, wherein the fixing device 51 is used for fixing the product 2 to be detected, the fixing device 51 is connected to the base 1 in a sliding mode, one end of the compression spring 52 is connected to the fixing device 51, and the other end of the compression spring is connected with the support 11 arranged in the base 1; the checking fixture operating device 4 comprises a first telescopic mechanism, a rotating motor 42, a sensor support 46 and a checking fixture fixing part 43, the first telescopic mechanism comprises a telescopic piece 41 and a sliding table 44, the telescopic piece 41 is fixedly installed on the base 1 and fixedly connected with the sliding table 44, the telescopic piece 41 enables the sliding table 44 to integrally reciprocate along the axial direction of the product 2 to be detected, and the sensor support and the checking fixture fixing part 43 are arranged on an output shaft of the rotating motor 42.
The fixing device 51 comprises two hand grips 511 and an air cylinder 512 for driving the hand grips 511 to move, the hand grips 511 are connected to the air cylinder 512 in a sliding mode, one side of the air cylinder 512 is connected with the compression spring 52, the other side of the air cylinder 512 is provided with a fixing plate 513, and a product positioning hole 514 is formed in the fixing plate 513 to fix and position the product 2 to be detected.
One end of the positioning shaft 12 is connected with the support 11, the other end of the positioning shaft is connected with a spring protection cover 53, the spring protection cover 53 is in sliding connection with the positioning shaft 12, and the compression spring 52 is arranged in a spring protection cavity in the spring protection cover 53; a second telescopic mechanism 54 is further connected between the support 11 and the spring protection cover 53, and the spring protection cover 53 is in sliding connection with the positioning shaft 12 to realize left-right movement of the fixing device 51.
The first telescopic mechanism comprises a telescopic piece 41 sliding table 44, the telescopic piece 41 is fixedly installed on the base 1 and fixedly connected with the sliding table 44, and the rotating motor 42 is fixedly connected to the sliding table 44, so that the rotating motor 42, the sensor support and the detection tool fixing piece 43 move left and right.
An output shaft of the rotating motor 42 is connected with a sensor support and a checking fixture fixing piece 43 through a coupling 45; the sensor support comprises a first sensor support 46 and a second sensor support 47, the first sensor support 46 is connected with the coupler 45, one end of the second sensor support 47 is connected with the first sensor support 46, and the other end of the second sensor support 47 is provided with a laser position sensor 48; the checking fixture fixing piece 43 (the corresponding checking fixture fixing piece 43 can be replaced according to different product checking tools 3 to realize multi-specification product detection, when the checking tool 3 is placed, the pin shaft hole 35 of the checking tool 3 is just opposite to the position of the floating thimble 439), one side, facing the product 2 to be detected, of the checking tool fixing piece 43 is provided with a checking tool mounting hole 431 and a groove 435, a pin hole 432 perpendicular to the checking tool mounting hole 431 is further arranged, the pin hole 432 is matched with a fixing pin 433 to realize the fixing of the checking tool 3, the checking tool fixing piece 43 is further provided with an L-shaped expansion joint 434 intersected with the checking tool mounting hole 431, the checking tool fixing piece 43 is divided into two parts, the two parts are separated at the position provided with the L-shaped expansion joint 434, the two parts are still connected at the position not provided with the L-shaped expansion joint 434, after the checking tool 3 is matched with the checking tool mounting hole 431, the two parts are connected through bolts to fix the expansion state of the L-shaped expansion joint 434, so as to realize the fixing of the checking tool, the forward rotation or reverse rotation operation of the checking fixture 3 is realized through the rotating motor 42; the groove 435 is used for connecting a guide sleeve 436 for fixing the floating thimble 439, the guide sleeve 436 is connected with the pressing plate 438 through a screw for fixing the floating thimble 439, and the laser position sensor 48 detects whether the product 2 to be detected is reliably connected with the checking fixture 3 or not and self-locks (the pin shaft 23 of the product 2 to be detected is screwed into the pin shaft hole 35 of the checking fixture, which means that the product 2 to be detected can be reliably connected with the checking fixture 3 and self-locks) by measuring the displacement of the floating thimble 439.
When the device is not in the working state, the floating device 5 and the checking fixture operating device 4 are both at the rightmost position capable of moving respectively, the hand grip 511 is in the initial state, and the compression spring 52 has no elastic potential energy.
In a working state, the fixing device 51 can be used for positioning and fixing the product 2 to be detected, and at the moment, the checking fixture 3 and the product 2 to be detected are in a staggered initial matching state; secondly, the first telescopic mechanism is utilized to press the detection tool 3 to the product 2 to be detected, so that the product 2 to be detected and the fixing device 51 are forced to move left, and the compression spring 52 is compressed to generate elastic potential energy; then, the rotating motor 42 is started, torque is applied to the detection tool 3, the detection tool 3 rotates forwards relative to the product 2 to be detected, the dislocation state of the detection tool 3 is changed into the matching state, the compression spring 52 releases elastic potential energy, the product 2 to be detected moves rightwards, and the matching tightness between the detection tool 3 and the product 2 to be detected is finally reflected to the displacement of the thimble floating 439 under certain torque; finally, the laser position sensor 48 detects whether the displacement value meets the requirement, if so, the product 2 to be detected has interchangeability, and if not, the product 2 to be detected has no interchangeability.
Example 1
As shown in fig. 1, 2, 3 and 4, the left side of the drawing shows the state that the fixing device 51 fixes the product 2 to be detected, and the right side of the drawing shows the state that the product 2 is screwed into the detection tool 3.
As shown in fig. 1, the device for detecting automatic interchangeability of five-groove type electric initiating explosive devices comprises a base 1, a floating device 5 and a detection tool operating device 4, wherein the base 1 can be made of steel and is used for supporting the floating device 5 and the detection tool operating device 4.
The base 1 comprises a bottom plate, a support 11 and a positioning shaft 12, the support 11 is vertically arranged on the bottom plate, and one end of the positioning shaft 12 is connected with the support 11 and is collinear with the axis of the product 2 to be detected;
the floating device 5 comprises a fixing device 51 for fixing the product 2 to be inspected and a compression spring 52. The fixing device 51 is connected to the base 1 in a sliding manner and used for positioning and fixing the product 2 to be detected, and under the compression of the detection tool 3, the fixing device 51 enables the compression spring 52 to be compressed and deformed; the compression spring 52 has one end connected to the fixing device 51 and one end connected to the bracket 11 provided in the base 1. The fixing device 51 includes a hand grip 511, a cylinder 512, and a fixing plate 513. The two grippers 511 are slidably connected to the outer surface of the cylinder 512, and the grippers 511 can perform linear reciprocating motion along the axis of the product 2 to be detected and perform opposite motion of the two grippers 511 under the driving of the cylinder 512, so that the product 2 to be detected can be clamped and fixed. One side that cylinder 512 faced examine utensil 3 still is provided with fixed plate 513, is provided with product locating hole 514 on the fixed plate 513, and the one end card of waiting to detect product 2 plays the preliminary positioning effect to product 2 in product locating hole 514.
As shown in fig. 4, one end of the positioning shaft 12 is connected to the support 11, the other end of the positioning shaft is connected to a spring protection cover 53, the spring protection cover 53 is slidably connected to the positioning shaft 12, the compression spring 52 is disposed in a spring protection cavity inside the spring protection cover 53, a second telescopic mechanism 54 is further disposed between the support 11 and the spring protection cover 53, the second telescopic mechanism 54 is fixedly connected to the spring protection cover 53, and the second telescopic member 54 can be an air cylinder, and can drive the spring protection cover 53 to slide along the positioning shaft 12 for adjusting and positioning the positions of the spring protection cover 53 and the compression spring 52.
The gauge operating device 4 includes a first telescoping mechanism, a rotating electrical machine 42, a sensor support, and a gauge fixture 43. The first telescopic mechanism comprises a telescopic piece 41 sliding table 44, the telescopic piece 41 is fixedly installed on the base 1 and fixedly connected with the sliding table 44, the telescopic piece 41 enables the sliding table 44 to integrally reciprocate along the axial direction of the product 2 to be detected, equipment such as a rotating motor 42 is fixedly connected to the sliding table 44, and the telescopic piece 41 pushes the rotating motor 42 to move or reset along the axial direction of the product 2 to be detected towards the product 2; the telescopic piece 41 can adopt an air cylinder, the rotating motor 42 can adopt a servo motor, and the rotary motor can rotate forwards or backwards and is used for driving the detection tool fixing piece 43 to rotate, so that the detection tool 3 can rotate forwards or backwards.
An output shaft of the rotating motor 42 is connected with a sensor support and a gauge fixing piece 43 shown in fig. 5 and 6 through a coupler 45, the sensor support comprises a first sensor support 46 and a second sensor support 47, the first sensor support 46 is connected with the coupler 45, one end of the second sensor support 47 is connected with the first sensor support 46, and the other end of the second sensor support 47 is provided with a laser position sensor 48. The side, facing the product 2 to be detected, of the detection tool fixing piece 43 is provided with a detection tool mounting hole 431 and a groove 435, a pin hole 432 perpendicular to the detection tool mounting hole 431 is further arranged, the pin hole 432 is matched with a fixing pin 433 to fix the detection tool 3, the detection tool fixing piece 43 is further provided with an L-shaped expansion joint 434 intersected with the detection tool mounting hole 431, the detection tool fixing piece 43 is divided into two parts by the L-shaped expansion joint 434, the two parts are separated at the position where the L-shaped expansion joint 434 is arranged, the connection is still kept at the position where the L-shaped expansion joint 434 is not arranged, and after the detection tool 3 is matched with the detection tool mounting hole 431, the two parts are connected through bolts to fix the expansion state of the L-shaped expansion joint 434; the groove 435 is used for connecting a guide sleeve 436 for fixing a floating thimble 439 as shown in fig. 8, the floating thimble 439 penetrates through the thimble hole 437, and the guide sleeve 436 as shown in fig. 7 is connected with a pressure plate 438 as shown in fig. 9 through screws for fixing the floating thimble 439; as shown in fig. 12 and 13, the guide sleeve 436 is provided with an ejector pin hole 437, the ejector pin hole 437 is a through hole, and the floating ejector 439 includes an ellipsoidal ejector pin rod at one end, a disc-shaped tip at the other end of the ejector pin rod, and an ejector pin spring 4310 sleeved outside the ejector pin rod; the thimble rod is of a stepped shaft structure and is from an ellipsoidal end to a disc-shaped end head, the diameter of the stepped shaft is sequentially a first small-diameter section, a large-diameter section and a second small-diameter section, a through hole of the thimble hole 437 comprises a first through hole section and a second through hole section, and the inner diameter of the first through hole section is larger than that of the second through hole section; the first through hole section is matched with the large-diameter section and the second small-diameter section, the second through hole section is matched with the first small-diameter section, the thimble spring 4310 is positioned between the inner wall of the first through hole section and the outer wall of the second small-diameter section, the ellipsoidal end extends out of the thimble hole 437 and is aligned with the thimble hole 35 of the checking fixture 3, two ends of the thimble spring 4310 are respectively limited by a shaft shoulder between the large-diameter section and the second small-diameter section and the pressing plate 438, and the pressing plate 438 is fixed on the guide sleeve 436 through screws; when the pin shaft 23 of the product 2 is screwed into the pin shaft hole 35 of the checking fixture 3, the pin shaft abuts against the ellipsoidal end of the thimble rod so as to enable the floating thimble 439 to integrally move along the axial direction of the thimble rod, the thimble spring 4310 is compressed, and when the product 2 is screwed out, the floating thimble 439 restores to an initial state under the elastic force of the thimble spring 4310;
the laser position sensor 48 is fixedly connected with an output shaft of the rotating motor 42, the rotating motor 42 drives the checking fixture 3 to rotate, the rotating torque reaches a set value, the fixing device 51 loosens the product 2, the rotating motor 42 drives the checking fixture 3 and the screwed product 2 to rotate again, the laser position sensor 48 is aligned to the disc-shaped end of the floating ejector pin 439, and the matching state of the product 2 to be detected and the checking fixture 3 is obtained by detecting the displacement change of the disc-shaped end.
The checking fixture 3 belongs to a measuring tool, has standard size and can be tightly matched with a product 2 to be detected with standard size. As shown in fig. 10, one end of the product 2 to be detected, which faces the inspection device 3, is an interchange end 21, five key slots 22 are formed in the inner wall of the interchange end 21, three pin shafts 23 are arranged on the outer wall of the interchange end 21 (the three pin shafts are uniformly distributed on the same ring), and the key slots 22 extend along the central axis direction of the interchange end 21 and intersect with the end surface of the interchange end 21 to form an opening; as shown in fig. 11, the testing fixture 3 includes an external cylindrical structure 31 and a core 32 disposed inside the cylindrical structure, the core 32 is rotatable relative to the cylindrical structure 31, the core 32 is rotatably connected to an inner wall of the cylindrical structure 31, five convex keys 33 are disposed on an outer wall of the core 32 and are engaged with the key slots 22, and three spiral grooves 34 are disposed on an inner wall of the cylindrical structure 31 and are engaged with the pin shafts 23. The gap between the cylindrical structure 31 and the core body 32 of the checking fixture 3 can be inserted by the interchange end 21, so that the checking fixture 3 can be screwed with the product 2 to be detected with the pin shaft 23 on the outer surface through the spiral groove 34, and meanwhile, the core body 32 is rotatably connected with the cylindrical structure 31.
In an initial state, the checking fixture 3 and the product 2 to be detected are coaxial, and the exchanging end 21 of the checking fixture 3 and the product 2 to be detected are staggered;
in a working state, the non-interchangeable end 21 (i.e. the threaded end) of the product 2 to be detected is rightly placed in the product positioning hole 514, the gripper 511 clamps the product 2 to be detected under the action of the cylinder 512, the first telescopic mechanism pushes the rotary motor 42 to move along the central axis of the product 2 to be detected towards the product 2 to be detected, so that the checking fixture 3 is pressed towards the product 2 to be detected, the product 2 to be detected and the fixing device 51 are forced to move leftwards and stop, the compression spring 52 is compressed to generate elastic potential energy, the stop position is the position of the maximum elastic potential energy of the compression spring 52, or set according to empirical data, the checking fixture 3 and the product 2 to be detected are coaxial in the above process, but the interchangeable end 21 of the checking fixture 3 and the product 2 to be detected are staggered, the product 2 to be detected cannot enter when being clamped at the end face of the checking fixture 3, and a primary fit is formed only after the checking fixture 3 is rotated for a certain angle under the drive of the rotary motor 42, when the key groove 22 of the product 2 to be detected is aligned with the convex key 33 of the detection tool 3, the detection tool 3 can be matched with the product 2, the product 2 to be detected starts to enter the detection tool 3, and the product 2 and the detection tool can slide relative to each other after the matching is formed.
After the detection tool 3 stops moving, the rotating motor 42 is started, the rotating motor 42 applies torque to the detection tool 3, so that the detection tool 3 rotates forwards relative to the product 2 to be detected, when the dislocation matching state is changed into the alignment matching state, the convex key 33 is clamped into the corresponding key groove 22, the pin shaft 23 is clamped into the opening of the spiral groove 34, the compression spring 52 releases elastic potential energy, and under the action of the elastic potential energy of the compression spring 52 rebounding, the product 2 to be detected moves rightwards, namely slides a distance towards the detection tool 3; the rotating motor 42 continues to apply torque, the core body 32 is clamped by the product 2 to be detected and does not rotate any more, the interchange end 21 continues to rotate, the product 2 to be detected continues to slide towards the detection tool 3 under the action of elastic potential energy of the compression spring 52, the pin shaft 23 slides in the spiral groove 34, the product 2 to be detected and the detection tool 3 are further screwed together until the set maximum value of the torque is reached, the fixing device 51 loosens the product 2, the rotating motor 42 drives the detection tool 3 and the screwed-in product 2 to rotate again, and the laser position sensor 48 is aligned to the disc-shaped end of the floating ejector pin 439. In this process, the torque value of the rotating electrical machine 42 can be set arbitrarily within the range of the motor rating, which can be 0-5N "m; the matching degree of the product 2 to be detected and the detection tool 3 finally reflects the floating displacement of the floating thimble 439, so that the floating thimble 439 is over against the measuring point of the laser position sensor 48, and the displacement of the floating thimble 439 is detected (if the pin shaft 23 of the product 2 to be detected is screwed into the pin shaft hole 35 of the detection tool, the floating thimble 439 is forced to move upwards, otherwise, the displacement of the floating thimble 439 is not changed), and the displacement value meets the requirement and indicates that the product is qualified, otherwise, the product is not qualified.
The invention has been described in detail with reference to specific embodiments and illustrative examples, but the description is not intended to be construed in a limiting sense. Those skilled in the art will appreciate that various equivalent substitutions, modifications or improvements may be made to the technical solution of the present invention and its embodiments without departing from the spirit and scope of the present invention, which fall within the scope of the present invention. The scope of the invention is defined by the appended claims.
Those skilled in the art will appreciate that those matters not described in detail in the present specification are well known in the art.
Claims (11)
1. The automatic interchangeability detection device for the five-groove type electric initiating explosive devices is characterized by comprising a base (1), a floating device (5) and a detection tool operating device (4);
the floating device (5) comprises a fixing device (51) and a compression spring (52); the fixing device (51) is connected to the base (1) in a sliding mode and used for fixing a product (2) to be detected, one end of the compression spring (52) is connected with the base (1), and the other end of the compression spring is connected with the fixing device (51);
the checking fixture operating device (4) comprises a first telescopic mechanism, a rotating motor (42), a checking fixture fixing piece (43) and a sensor; the first telescopic mechanism is connected with the rotating motor (42) so that the rotating motor (42) reciprocates along the axial direction of the product (2) to be detected; an output shaft of the rotating motor (42) is fixedly connected with the checking fixture fixing part (43), the checking fixture fixing part (43) is used for fixing the checking fixture (3), the axis of the checking fixture (3) is collinear with the axis of the product (2) to be detected, the rotating motor (42) drives the checking fixture fixing part (43) to rotate so as to enable the checking fixture (3) to rotate around the axis of the rotating fixture (3), and the rotating motor (42) reciprocates along the axis direction of the product (2) to be detected so as to drive the checking fixture (3) to be matched with the product (2); the sensor is used for acquiring the matching state of the product (2) to be detected and the checking fixture (3).
2. The automatic interchangeability detection device for five-groove type electric initiating explosive devices according to claim 1, characterized in that the detection tool operating device (4) further comprises a guide sleeve (436), a pressing plate (438) and a floating thimble (439), wherein the guide sleeve (436) is provided with a thimble hole (437), the thimble hole (437) is a through hole, the floating thimble (439) comprises a thimble rod with one end being in an ellipsoidal shape, a disc-shaped end arranged at the other end of the thimble rod, and a thimble spring (4310) sleeved outside the thimble rod; the thimble rod is of a stepped shaft structure, the thimble rod externally sleeved with a thimble spring (4310) is matched with the thimble hole (437), the ellipsoidal end extends out of the thimble hole (437) and is aligned with the pin shaft hole (35) of the checking fixture (3), and two ends of the thimble spring (4310) are respectively limited by a shaft shoulder of the thimble rod stepped shaft structure and the pressing plate (438); when the pin shaft (23) of the product (2) is screwed into the pin shaft hole (35) of the checking fixture (3), the pin shaft abuts against the ellipsoidal end of the thimble rod so as to enable the floating thimble (439) to integrally move along the axial direction of the thimble rod, the thimble spring (4310) is compressed, and when the product (2) is screwed out, the floating thimble (439) restores to an initial state under the action of the elastic force of the thimble spring (4310);
the sensor is a laser position sensor (48), the laser position sensor (48) is fixedly connected with an output shaft of a rotating motor (42), the rotating motor (42) drives the checking fixture (3) to rotate, the rotating torque reaches a set value, a fixing device (51) loosens the product (2), the rotating motor (42) drives the checking fixture (3) and the screwed product (2) to rotate again, the laser position sensor (48) is aligned to the disc-shaped end of the floating thimble (439), and the matching state of the product (2) to be detected and the checking fixture (3) is obtained through detecting the displacement change of the disc-shaped end.
3. The automatic interchangeability detection device for five-groove type electric initiating explosive devices according to claim 1, characterised in that the fixing device (51) comprises a gripper (511) and a cylinder (512), the gripper (511) is connected with the cylinder (512), the gripper (511) comprises a first gripper and a second gripper, the cylinder drives the first gripper and the second gripper to move towards each other and to reciprocate along the axial direction of the product (2) to be detected, and the first gripper and the second gripper form a hexagonal hole matched with the product (2) to be detected after being matched.
4. The device for detecting the automatic interchangeability of the five-groove type electric initiating explosive devices according to claim 3, wherein the fixing device (51) further comprises a fixing plate (513), the fixing plate (513) is arranged on one side, facing the product (2) to be detected, of the air cylinder (512) and is perpendicular to the axis of the product (2) to be detected, the fixing plate (513) is provided with a product positioning hole (514) matched with the product (2) to be detected, and one end, away from the checking fixture (3), of the product (2) to be detected is matched with the product positioning hole (514) to realize the positioning of the product (2) to be detected.
5. The automatic interchangeability detection device for five-groove type electric initiating explosive devices according to claim 1, characterised in that the base (1) comprises a bottom plate, a bracket (11) and a positioning shaft (12), wherein the bracket (11) is vertically arranged on the bottom plate, and one end of the positioning shaft (12) is connected with the bracket (11) and is collinear with the axis of the product (2) to be detected;
the fixing device (51) and the telescopic mechanism are connected with the bottom plate, and one end of the compression spring (52) is fixedly connected with the other end of the positioning shaft (12).
6. The device for detecting the automatic interchangeability of electric fire works in five-channel type according to claim 5, characterised in that the floating device (5) further comprises a spring protection cover (53), the spring protection cover (53) covers the compression spring (52) and can slide along the positioning shaft (12).
7. The automatic interchangeability detecting device for electric initiating explosive devices in five-groove type according to claim 6, characterised in that the floating device (5) further comprises a second telescopic mechanism (54), and the second telescopic mechanism (54) is fixedly connected with a spring protection cover (53); the second telescopic mechanism (54) enables the spring protection cover (53) to push the fixing device (51) towards the direction of the product (2) to be detected along the axis of the product (2) to be detected, and the spring protection cover is used for resetting the fixing device (51) or compensating the elastic force of the product (2) to be detected when the compression spring (52) rebounds;
the second telescopic mechanism (54) enables the spring protection cover (53) to be far away from the fixing device (51) along the axis of the product (2) to be detected, and reduces the resistance of the spring protection cover (53) to the fixing device (51) when the spring (52) is compressed;
the second telescopic mechanism (54) is an air cylinder.
8. The device for detecting the automatic interchangeability of the five-groove type electric initiating explosive devices according to claim 1, wherein the first telescopic mechanism in the checking fixture operating device (4) comprises an air cylinder and a sliding table, the air cylinder is fixedly connected with the base (1), the rotating motor (42) is connected with the sliding table, and the air cylinder drives the sliding table to further drive the rotating motor (42) to reciprocate along the axial direction of the product (2) to be detected.
9. The device for detecting the automatic interchangeability of the penta-groove type electric initiating explosive device according to claim 1, characterized in that the gauge fixing piece (43) comprises a body and a fixing pin (433), wherein a gauge mounting hole (431) and a pin hole (432) are formed in the body;
the checking fixture mounting hole (431) is formed in one side, facing the product (2) to be detected, of the body, is a counter bore and is used for being matched with the checking fixture (3); the pin hole (432) is perpendicular to the detection tool mounting hole (431), is a through hole, and is matched with the fixing pin (433) to fix the detection tool (3).
10. The device for detecting the automatic interchangeability of the five-groove type electric initiating explosive devices according to claim 9, is characterized in that the detection tool fixing member (43) is further provided with an L-shaped expansion joint (434), the L-shaped expansion joint (434) is intersected with the detection tool mounting hole (431), the matching state of the detection tool (3) and the detection tool mounting hole (431) is finely adjusted through the expansion and contraction of the L-shaped expansion joint (434), and the expansion and contraction state of the L-shaped expansion joint (434) is fixed through bolts.
11. A method for detecting automatic interchangeability of a five-groove type electric initiating explosive device, which is characterized by being realized by adopting the device for detecting the automatic interchangeability of the five-groove type electric initiating explosive device as claimed in any one of claims 1 to 10, and comprising the following steps of:
s1, the first telescopic mechanism enables the rotating motor (42) to move towards the product (2) to be detected along the axial direction of the product (2) to be detected, the detection tool (3) is driven to be preliminarily matched with the product (2) to be detected, and the detection tool (3) and the product (2) to be detected are in a staggered state;
s2 the first telescopic mechanism further drives the checking fixture (3) to push the fixing device (51) to compress the compression spring (52) until the checking fixture (3) reaches a preset position and stops moving;
s3, the rotating motor (42) drives the checking fixture fixing piece (43) to rotate so as to enable the checking fixture (3) to rotate, and the checking fixture (3) is aligned with the product (2) to be detected successfully;
s4 the compression spring (52) releases elastic potential energy to enable the product (2) to be detected to move towards the detection tool (3), the detection tool (3) and the product (2) to be detected are further matched under the combined action of the elasticity of the product (2) to be detected of the compression spring (52) and the torque of the rotating motor (42) on the detection tool (3), and the matching state of the product (2) to be detected and the detection tool (3) is obtained through the sensor.
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