CN113899310B - 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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- CN113899310B CN113899310B CN202110987503.2A CN202110987503A CN113899310B CN 113899310 B CN113899310 B CN 113899310B CN 202110987503 A CN202110987503 A CN 202110987503A CN 113899310 B CN113899310 B CN 113899310B
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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 electric initiating explosive devices, which is characterized in that a floating device and a detection tool operating device are designed, so that dislocation matching is formed between a detection tool and a product to be detected firstly, then the detection tool 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 degree of tightness of the matching between the detection tool 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, and relates to an automatic interchangeability detection device and method for five-groove type electric initiating explosive devices, which are suitable for automatic interchangeability detection of five-groove type aerospace electric initiating explosive devices.
Background
The detonation (ignition) device (figure 10) is used as a common aerospace fire product, the interchangeability detection of the detonation (ignition) device belongs to a very critical detection element, 100% detection qualification is required in a finished product detection link, and each product needs to use at least 3 connecting plugs, namely a detection tool (figure 11), so that the interchangeability detection is carried out, and the reliable connection and self-locking of the plugging ends of the products are ensured.
With the recent years of increasing model tasks of companies, the electric initiating explosive devices such as detonators (igniters) are on line in batches, and the workload is greatly increased. The plugging part of the detonating (igniting) device mainly comprises 3 plugging forms such as five grooves, convex keys, identification grooves and the like, and the maximum five-groove products account for about 62 percent. At present, interchangeability inspection of initiating explosive devices such as detonators is carried out by manual screwing in and out, so that time and labor are wasted, the detection efficiency is low, the problems of poor detection consistency and poor traceability exist, the traditional inspection mode cannot adapt to a new production mode, and the high-speed development of companies and the new requirements on the quality of aerospace products cannot be met.
Therefore, the five-groove type electric initiating explosive device automatic interchangeability detection device is important for the overall interchangeability equipment.
Disclosure of Invention
The invention aims to overcome the defects, and provides an automatic interchangeability detection device and method for a five-groove electric initiating explosive device, wherein a floating device and a detection tool operating device are designed to enable a detection tool and a product to be detected to be in dislocation fit first, then the detection tool and the product to be detected are further matched under the combined action of a rotating motor and the elasticity of a compression spring, the tightness degree of the matching between the detection tool and the product to be detected is effectively detected through a sensor, the automatic detection operation for the interchangeability of the product is realized, the traditional manual mode is replaced, and the detection of the product with multiple specifications can be realized by matching with the detection tool with multiple specifications.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the automatic interchangeability detection device for the five-groove electric initiating explosive device comprises a base, a floating device and a gauge operating device;
the floating device comprises a fixing device and a compression spring; the fixing device is connected to the base in a sliding manner and is 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 gauge operating device comprises a first telescopic mechanism, a rotating motor, a gauge 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 the product to be detected; the output shaft of the rotating motor is fixedly connected with the gauge fixing piece, the gauge fixing piece is used for fixing the gauge, the axis of the gauge is collinear with the axis of the product to be detected, the rotating motor drives the gauge fixing piece to rotate so as to enable the gauge 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 gauge to be matched with the product; the sensor is used for acquiring the matching state of the product to be detected and the detection tool.
Further, the gauge 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 end being in an ellipsoidal shape, 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 outside of the thimble rod is sleeved with a thimble spring, the thimble rod is matched with a thimble hole, the ellipsoidal end extends out of the thimble hole and is aligned with a pin shaft hole of the gauge, and two ends of the thimble spring are limited through a shaft shoulder and a pressing plate of the stepped shaft structure of the thimble rod respectively; when the product pin shaft is screwed into the pin shaft hole of the gauge, the ellipsoidal end of the thimble rod is propped against, so that the whole floating thimble moves axially along the thimble rod, the thimble spring is compressed, and when the product is screwed out, the floating thimble returns to an initial state under the action of the elasticity of the thimble spring;
the sensor is a laser position sensor, the laser position sensor is fixedly connected with an output shaft of the rotating motor, the rotating motor drives the checking fixture to rotate, the rotating torque reaches a set value, the fixing device loosens a product, the rotating motor drives the checking fixture and the screwed product to rotate again, the laser position sensor is aligned with a disc-shaped end head of the floating thimble, and the matching state of the product to be detected and the checking fixture is obtained by detecting the displacement change of the disc-shaped end head.
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 opposite direction motion and follow the reciprocating motion of the axis direction of waiting to detect the product, form after first tongs and the cooperation of second tongs and wait to detect the hexagonal hole that the product matches.
Further, fixing device still includes the fixed plate, the fixed plate is located the cylinder towards waiting to detect product one side and perpendicular waiting to detect the product axis, and the fixed plate is equipped with the product locating hole that matches with waiting to detect the product, wait to detect the product and keep away from the one end and the product locating hole cooperation of examining the utensil, realize waiting to detect the location of product.
Further, the base comprises a bottom plate, a bracket and a positioning shaft, wherein the bracket is vertically arranged on the bottom plate, and one end of the positioning shaft is connected with the bracket and is collinear with the axis of a 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.
Further, 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.
Further, the floating device further 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 to 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 elastic force 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 an air cylinder.
Further, the first telescopic mechanism in the gauge operating device comprises a cylinder and a sliding table, the cylinder is fixedly connected with the base, the rotating motor is connected with the sliding table, and the 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 gauge fixing piece comprises a body and a fixing pin, wherein the body is provided with a gauge mounting hole and a pin hole;
the gauge mounting hole is arranged on one side of the body facing the product to be detected and is a counter bore for being matched with the gauge; the pin hole is perpendicular to the mounting hole of the gauge and is a through hole, and the gauge is fixed after being matched with the fixing pin.
Further, the gauge fixing piece 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 state of the L-shaped expansion joint is fixed through bolts.
The automatic interchangeability detection method for the five-groove electric initiating explosive device is realized by adopting the automatic interchangeability detection device for the five-groove electric initiating explosive device, and comprises the following steps of:
s1, enabling a rotating motor to move towards a product to be detected along the axis direction of the product to be detected, driving a detection tool to be primarily matched with the product to be detected, and enabling the detection tool to be in a dislocation state with the product to be detected;
s2, the first telescopic mechanism further drives the gauge to push the fixing device to compress the compression spring until the gauge reaches a preset position and then stops moving;
s3, the rotating motor drives the gauge fixing piece to rotate so as to enable the gauge to rotate, and alignment of the gauge and a product to be detected is successful;
s4, the compression spring releases elastic potential energy, so that the product to be detected moves 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 compression spring to the product to be detected and the torque of the rotating motor to 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 checking fixture operating device, dislocation fit is formed between the checking fixture and the product to be checked firstly, then the combined action of the rotating motor and the elastic force of the compression spring is utilized to further fit between the checking fixture and the product to be checked, so that the automatic detection of the interchangeability of the five-groove type detonating (igniting) device finished product is realized for the first time, the traditional manual mode is replaced, and the detection of the multi-specification product is realized by matching with the multi-specification checking fixture, so that the labor intensity is reduced, and the detection efficiency is improved;
(2) According to the automatic interchangeability detection device for the five-groove electric initiating explosive device, disclosed by the invention, the compression spring, the first telescopic mechanism and the rotating motor are matched with each other, and the degree of tightness of the matching between the detection tool and a product to be detected is effectively detected through the sensor;
(3) In a preferred scheme, a specific structure of the floating thimble is designed, the matching tightness degree between the gauge and the product to be detected is reflected to the displacement of the floating thimble, and the detection is carried out by combining a laser position sensor, so that the convenience in judging whether the gauge and the product to be detected are reliably connected and self-locked or not is realized, and the reliability of a judging result is high;
(4) According to the automatic interchangeability detection device for the five-groove electric initiating explosive device, in a preferable scheme, the second telescopic mechanism is introduced, so that the elastic force of a product to be detected can be reset or compensated when the compression spring rebounds on one hand, and the resistance of the fixing device is reduced when the compression spring rebounds on the other hand;
(5) According to the automatic interchangeability detection device for the five-groove electric initiating explosive device, in an optimal scheme, the structure of the detection tool fixing piece is designed, so that the detection tool is stably clamped, the L-shaped expansion joint is designed, the detection tool fixing piece is separated at the expansion joint position, and the matching state of the detection tool and the detection tool mounting hole can be finely adjusted conveniently through the expansion and contraction of the L-shaped expansion joint;
(6) The automatic interchangeability detection device for the five-groove electric initiating explosive device adopts reasonable and reliable structural design, utilizes the air cylinder to apply the acting force of the grippers on two sides, enables the clamp to clamp the product to be detected stably and reliably, ensures that the axis of the product to be detected is collinear with the axis of the detection tool, and ensures the detection quality.
Drawings
FIG. 1 is a three-dimensional schematic diagram of an automatic interchangeability detection device for five-slot electric initiating explosive devices according to the invention;
FIG. 2 is a top view of an automatic interchangeability detection apparatus for five-slot electric initiating explosive devices according to the present invention;
FIG. 3 is a side view of an automatic interchangeability detection apparatus for five-slot type electric initiating explosive devices according to the present invention;
FIG. 4 is a cross-sectional view of an automatic interchangeability detection apparatus for five-slot electric initiating explosive devices according to the present invention;
FIG. 5 is a three-dimensional schematic view of a fixture of the present invention;
FIG. 6 is a cross-sectional view of the fixture of the present invention;
FIG. 7 is a three-dimensional schematic view of a guide sleeve of the present invention;
FIG. 8 is a three-dimensional schematic view of a floating thimble of the present invention;
FIG. 9 is a three-dimensional schematic of a platen of the present invention;
FIG. 10 is a three-dimensional schematic of a typical five-slot product initiator (igniter) of the prior art;
FIG. 11 is a three-dimensional schematic diagram of a gauge of a typical five-slot product initiator (igniter) of the prior art;
FIG. 12 is a three-dimensional schematic view of a guide sleeve, platen and floating pin combination of the present invention;
FIG. 13 is a cross-sectional view of a guide sleeve, platen and floating pin combination of the present invention.
Detailed Description
The features and advantages of the present invention will become more apparent and clear from the following detailed description of the invention.
The word "exemplary" is used 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. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The invention designs an automatic interchangeability detection device for five-groove electric initiating explosive devices, which is used for realizing automatic detection operation of product interchangeability, replacing the traditional manual mode and realizing multi-specification product detection by matching with a multi-specification detection tool.
The invention relates to an automatic interchangeability detection device for five-groove electric initiating explosive devices, which comprises a base 1, a floating device 5 and a detection tool operating device 4, wherein the floating device is arranged on the base; 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 manner, one end of the compression spring 52 is connected to the fixing device 51, and the other end of the compression spring 52 is connected with the bracket 11 arranged in the base 1; the gauge operating device 4 comprises a first telescopic mechanism, a rotating motor 42, a sensor support 46 and a gauge fixing piece 43, wherein 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 reciprocate along the axis direction of a product 2 to be detected, and the sensor support and the gauge fixing piece 43 are arranged on an output shaft of the rotating motor 42.
The fixing device 51 comprises two grippers 511 and an air cylinder 512 for driving the grippers 511 to move, the grippers 511 are slidably connected to the air cylinder 512, one side of the air cylinder 512 is connected with the compression spring 52, a fixing plate 513 is arranged on the other side of the air cylinder, and a product positioning hole 514 is formed in the fixing plate 513 to fix and position a product 2 to be detected.
One end of the positioning shaft 12 is connected with the bracket 11, the other end 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 bracket 11 and the spring protection cover 53, and the spring protection cover 53 is slidably connected with the positioning shaft 12, so that the fixing device 51 moves left and right.
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 rotating motor 42 is fixedly connected to the sliding table 44, and the rotating motor 42, the sensor support and the gauge fixing piece 43 move left and right.
The output shaft of the rotating motor 42 is connected with a sensor support and a gauge fixing piece 43 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 a laser position sensor 48 is arranged at the other end of the second sensor support 47; the gauge fixing piece 43 (corresponding gauge fixing pieces 43 can be replaced according to different product gauges 3 to realize multi-specification product detection, when the gauge 3 is placed, the pin shaft hole 35 of the gauge 3 is opposite to the position of the floating thimble 439) towards one side of the product 2 to be detected is provided with a gauge mounting hole 431 and a groove 435, a pin hole 432 perpendicular to the gauge mounting hole 431 is also arranged, the pin hole 432 is matched with the fixing pin 433 to realize the fixation of the gauge 3, the gauge fixing piece 43 is also provided with an L-shaped expansion joint 434 intersecting the gauge mounting hole 431, the L-shaped expansion joint 434 divides the gauge fixing piece 43 into two parts, the two parts are separated at the position where the L-shaped expansion joint 434 is arranged, the position where the L-shaped expansion joint 434 is not arranged is still connected, after the gauge 3 is matched with the gauge mounting hole 431, the two parts are connected through bolts to fix the expansion state of the L-shaped expansion joint 434, further the fixation of the gauge is realized, and the forward rotation or reverse rotation operation of the gauge 3 is realized through the rotary motor 42; the groove 435 is used for connecting with a guide sleeve 436 for fixing the floating thimble 439, the guide sleeve 436 is connected with a pressing plate 438 through a screw for fixing the floating thimble 439, the laser position sensor 48 detects whether the product 2 to be detected is reliably connected with the detecting tool 3 or not and is self-locked through measuring the displacement of the floating thimble 439 (the pin shaft 23 of the product 2 to be detected is screwed into the pin shaft hole 35 of the detecting tool, which represents that the product 2 to be detected can be reliably connected with the detecting tool 3 and is self-locked).
In the non-working state, the floating device 5 and the gauge operating device 4 are both positioned at the rightmost point where each can move, the grip 511 is in the initial state, and the compression spring 52 has no elastic potential energy.
When in a working state, the product 2 to be detected can be positioned and fixed by the fixing device 51, and the detecting tool 3 and the product 2 to be detected are in a staggered initial matching state at the moment; secondly, the first telescopic mechanism is utilized to press the gauge 3 to the product 2 to be detected, the product 2 to be detected and the fixing device 51 are forced to move leftwards, and the compression spring 52 is compressed to generate elastic potential energy; then, the rotating motor 42 is started to apply torque to the gauge 3, so that the gauge 3 rotates forwards relative to the product 2 to be detected, the gauge 3 is converted into a matched state from a misplacement state, the compression spring 52 releases elastic potential energy, the product 2 to be detected moves rightwards, and under a certain torque, the matched tightness between the gauge 3 and the product 2 to be detected is finally reflected to the displacement of the top needle float 439; finally, the laser position sensor 48 detects whether the displacement value satisfies the requirement, if so, the product 2 to be detected has interchangeability, and if not, the product 2 to be detected does not have 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, the right side of the drawing shows the state that the product 2 is screwed into the gauge 3, in practical situations, only one product exists in the whole device, and the floating device and the product in the gauge operating device respectively show a schematic diagram that the fixing device fixes the product and the product is screwed into the gauge.
As shown in FIG. 1, the five-groove type electric initiating explosive device automatic interchangeability detection device comprises a base 1, a floating device 5 and a gauge operating device 4, wherein the base 1 can be made of steel and is used for supporting the floating device 5 and the gauge operating device 4.
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 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 slidably connected to the base 1, and is used for positioning and fixing the product 2 to be detected, and the fixing device 51 compresses the compression spring 52 to generate deformation under the compression of the gauge 3; the compression spring 52 has one end connected to the fixing means 51 and one end connected to the bracket 11 provided in the base 1. The fixing device 51 includes a grip 511, an air cylinder 512, and a fixing plate 513. The two grippers 511 are slidably connected to the outer surface of the air cylinder 512, and under the driving of the air cylinder 512, 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, so that the product 2 to be detected can be clamped and fixed. The cylinder 512 is provided with the fixed plate 513 towards the one side of examining utensil 3 still, is provided with product locating hole 514 on the fixed plate 513, and the one end card of waiting to detect product 2 plays preliminary positioning action to product 2 in product locating hole 514.
As shown in fig. 4, one end of the positioning shaft 12 is connected with the bracket 11, the other end is connected with the spring protection cover 53, the spring protection cover 53 is slidably connected with the positioning shaft 12, the compression spring 52 is arranged in a spring protection cavity inside the spring protection cover 53, a second telescopic mechanism 54 is further arranged between the bracket 11 and the spring protection cover 53, the second telescopic mechanism 54 is fixedly connected with the spring protection cover 53, the second telescopic member 54 can adopt an air cylinder, and the spring protection cover 53 can be driven 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 telescopic mechanism, a rotary motor 42, a sensor mount, and a gauge fixture 43. The first telescopic mechanism comprises a telescopic piece 41 sliding table 44, the telescopic piece 41 is fixedly arranged on the base 1 and fixedly connected with the sliding table 44, the telescopic piece 41 enables the sliding table 44 to reciprocate along the axis direction of a product 2 to be detected, a rotating motor 42 and other devices are fixedly connected to the sliding table 44, and the telescopic piece 41 pushes the rotating motor 42 to move or reset along the axis direction of the product 2 to be detected; the telescopic member 41 may be a cylinder, the rotary motor 42 may be a servo motor, and the rotary motor may be rotated forward or backward, so as to drive the gauge fixing member 43 to rotate, thereby enabling the gauge 3 to perform forward or backward rotation.
The output shaft of the rotary motor 42 is connected with a sensor support and a gauge fixing member 43 as shown in fig. 5 and 6 through a coupling 45, the sensor support includes a first sensor support 46 and a second sensor support 47, the first sensor support 46 is connected with the coupling 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 inspection tool fixing piece 43 is provided with an inspection tool mounting hole 431 and a groove 435 towards one side of the product 2 to be inspected, a pin hole 432 perpendicular to the inspection tool mounting hole 431 is further arranged, the pin hole 432 is matched with a fixing pin 433 to fix the inspection tool 3, the inspection tool fixing piece 43 is further provided with an L-shaped expansion joint 434 intersected with the inspection tool mounting hole 431, the L-shaped expansion joint 434 divides the inspection tool fixing piece 43 into two parts, 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 inspection tool 3 is matched with the inspection 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 shown in fig. 8, the floating thimble 439 penetrates into the thimble hole 437, and the guide sleeve 436 shown in fig. 7 is connected with a pressing plate 438 shown in fig. 9 by a screw for fixing the floating thimble 439; as shown in fig. 12 and 13, the guide sleeve 436 is provided with a thimble hole 437, the thimble hole 437 is a through hole, and the floating thimble 439 comprises a thimble rod with an ellipsoidal end, a disc-shaped end head 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 diameter of the stepped shaft is sequentially a first small-diameter section, a large-diameter section and a second small-diameter section from an ellipsoidal end to a disc-shaped end, 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 pin shaft hole 35 of the gauge 3, two ends of the thimble spring 4310 are limited through 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 gauge 3, the ellipsoidal end of the thimble rod is propped against, so that the whole floating thimble 439 moves axially along the thimble rod, the thimble spring 4310 is compressed, and when the product 2 is screwed out, the floating thimble 439 returns to an initial state under the elastic force of the thimble spring 4310;
the laser position sensor 48 is fixedly connected with the output shaft of the rotating motor 42, the rotating motor 42 drives the gauge 3 to rotate, the rotating torque reaches a set value, the fixing device 51 loosens the product 2, the rotating motor 42 drives the gauge 3 and the screwed product 2 to rotate again, the laser position sensor 48 is aligned with the disc-shaped end head of the floating thimble 439, and the matching state of the product 2 to be detected and the gauge 3 is obtained by detecting the displacement change of the disc-shaped end head.
The gauge 3 belongs to a measuring tool, has standard size and can be tightly matched with a product 2 to be detected with the standard size. As shown in fig. 10, one end of the product 2 to be detected facing the detecting tool 3 is an exchange end 21, five key grooves 22 are formed in the inner wall of the exchange end 21, three pin shafts 23 (the three pin shafts are uniformly distributed on the same circular ring) are arranged on the outer wall of the exchange end 21, and the key grooves 22 extend along the central axis direction of the exchange end 21 and intersect with the end face of the exchange end 21 to form an opening; as shown in fig. 11, the gauge 3 includes an outer cylindrical structure 31 and a core 32 disposed inside the cylindrical structure, the core 32 can rotate relative to the cylindrical structure 31, the core 32 is rotatably connected with an inner wall of the cylindrical structure 31, five protruding keys 33 matched with the key grooves 22 are disposed on an outer wall of the core 32, and three spiral grooves 34 matched with the pin shafts 23 are disposed on an inner wall of the cylindrical structure 31. The gap between the tubular structure 31 and the core 32 of the gauge 3 can accommodate the insertion of the exchangeable end 21, so that the gauge 3 can be screwed with the product 2 to be detected with the pin 23 on the outer surface through the spiral groove 34, and the core 32 is rotationally connected with the tubular structure 31.
In the initial state, the gauge 3 and the product 2 to be detected are coaxial, and the exchange end 21 of the gauge 3 and the product 2 to be detected are misplaced;
in the working state, the non-interchangeable end (i.e. the threaded end) of the product 2 to be detected is just opposite to the product positioning hole 514, the gripper 511 clamps the product 2 to be detected under the action of the air cylinder 512, the first telescopic mechanism pushes the rotating motor 42 to move towards the product 2 to be detected along the central axis of the product 2 to be detected, so that the gauge 3 presses the product 2 to be detected, forces the product 2 to be detected and the fixing device 51 to move leftwards until stopping, the compression spring 52 is compressed to generate elastic potential energy, the stopping position is the maximum elastic potential energy position of the compression spring 52, or is set according to experience data, the gauge 3 and the product 2 are coaxial in the process, but the interchangeable end 21 of the gauge 3 and the product 2 to be detected are misplaced, the product 2 to be detected cannot enter at the end face of the gauge 3, preliminary matching is formed at this moment, the gauge 3 can just form further matching with the product 2 to be detected when the key groove 22 of the product 2 to be detected is exactly aligned with the convex key 33 of the gauge 3 under the driving of the rotating motor 42, and the gauge 2 to be slid relatively after the matching is formed.
After the movement of the gauge 3 is stopped, starting a rotating motor 42, and applying torque to the gauge 3 by the rotating motor 42, so that the gauge 3 rotates forward 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, meanwhile, the pin shaft 23 is clamped into the opening of the spiral groove 34, the compression spring 52 releases elastic potential energy, and the product 2 to be detected moves rightward under the action of elastic potential energy of rebound of the compression spring 52, namely slides a distance to the gauge 3; the rotating motor 42 continues to apply torque, the core 32 is blocked by the product 2 to be detected and does not rotate any more, the exchange end 21 continues to rotate, the product 2 to be detected continues to slide towards the detecting 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 detecting tool 3 are further screwed together until the set torque maximum value is reached, the fixing device 51 loosens the product 2, the rotating motor 42 drives the detecting tool 3 and the screwed product 2 to rotate again, and the laser position sensor 48 is aligned with the disc-shaped end of the floating thimble 439. In this process, the torque value of the rotary electric machine 42 may be arbitrarily set within the motor rated value range, and may be 0 to 5N "m; the matching degree of the product 2 to be detected and the gauge 3 is finally reflected to the floating displacement of the floating thimble 439, so that the floating thimble 439 is opposite to the measuring point of the laser position sensor 48, the displacement of the floating thimble 439 is detected (if the pin 23 of the product 2 to be detected is screwed into the gauge pin hole 35, the floating thimble 439 is forced to move upwards, otherwise, the displacement of the floating thimble 439 is unchanged), and the displacement value meets the requirement and indicates that the product is qualified, otherwise, the product is unqualified.
The invention has been described in detail in connection with the specific embodiments and exemplary examples thereof, but such description is not to be construed as limiting the invention. It will be understood by those skilled in the art 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, and these fall within the scope of the present invention. The scope of the invention is defined by the appended claims.
What is not described in detail in the present specification is a well known technology to those skilled in the art.
Claims (11)
1. The automatic interchangeability detection device for the five-groove electric initiating explosive device 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 manner and is 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 gauge operating device (4) comprises a first telescopic mechanism, a rotating motor (42), a gauge fixing piece (43) and a sensor; the first telescopic mechanism is connected with the rotating motor (42) to enable the rotating motor (42) to reciprocate along the axis direction of the product (2) to be detected; the output shaft of the rotating motor (42) is fixedly connected with the gauge fixing piece (43), the gauge fixing piece (43) is used for fixing the gauge (3), the axis of the gauge (3) is collinear with the axis of the product (2) to be detected, the rotating motor (42) drives the gauge fixing piece (43) to rotate so as to enable the gauge (3) to rotate around the axis of the rotating motor, and the first telescopic mechanism enables the rotating motor (42) to reciprocate along the axis direction of the product (2) to be detected so as to drive the gauge (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 gauge (3).
2. The automatic interchangeability detection device for five-groove electric initiating explosive devices according to claim 1, wherein the detection tool operation device (4) further comprises a guide sleeve (436), a pressing plate (438) and a floating thimble (439), 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 an ellipsoid shape, a disc-shaped end head 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 outside of the thimble rod is sleeved with a thimble spring (4310) and is matched with a thimble hole (437), the ellipsoidal end of the thimble rod extends out of the thimble hole (437) and is aligned with a pin shaft hole (35) of the gauge (3), and two ends of the thimble spring (4310) are limited through a shaft shoulder and a pressing plate (438) of the stepped shaft structure of the thimble rod respectively; when the pin shaft (23) of the product (2) is screwed into the pin shaft hole (35) of the gauge (3), the ellipsoidal end of the thimble rod is propped against, so that the floating thimble (439) integrally moves 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) returns to an initial state under the action of the elasticity 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 detection tool (3) to rotate, the rotating torque reaches a set value, a fixing device (51) loosens a product (2), the rotating motor (42) drives the detection tool (3) and the screwed product (2) to rotate again, the laser position sensor (48) is aligned with a disc-shaped end head of a floating thimble (439), and the matching state of the product (2) to be detected and the detection tool (3) is obtained by detecting the displacement change of the disc-shaped end head.
3. The automatic interchangeability detection device for five-groove electric initiating explosive device according to claim 1, wherein 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 reciprocate along the axis direction of a product (2) to be detected, and a hexagonal hole matched with the product (2) to be detected is formed after the first gripper and the second gripper are matched.
4. The automatic interchangeability detection device for five-groove electric initiating explosive device according to claim 3, wherein the fixing device (51) further comprises a fixing plate (513), the fixing plate (513) is arranged on one side of the air cylinder (512) facing to the product (2) to be detected 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 of the product (2) to be detected, which is far away from the detection tool (3), 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 electric initiating explosive devices according to claim 1 is characterized in that 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 a 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 automatic interchangeability detection device for five-groove electric initiating explosive devices according to claim 5, wherein the floating device (5) further comprises a spring protection cover (53), and the spring protection cover (53) is covered outside the compression spring (52) and can slide along the positioning shaft (12).
7. The automatic interchangeability detection device for five-groove electric initiating explosive device according to claim 6, wherein 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) to the direction of the product (2) to be detected along the axis of the product (2) to be detected, and the fixing device (51) is used for resetting 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 the resistance of the spring protection cover (53) to the fixing device (51) when the spring (52) is compressed is reduced;
the second telescopic mechanism (54) is an air cylinder.
8. The automatic interchangeability detection device for five-groove electric initiating explosive device according to claim 1, wherein the first telescopic mechanism in the detection tool operation device (4) comprises a cylinder and a sliding table, the cylinder is fixedly connected with the base (1), the rotating motor (42) is connected with the sliding table, and the cylinder drives the sliding table, so that the rotating motor (42) is driven to reciprocate along the axis direction of a product (2) to be detected.
9. The automatic interchangeability detection device for five-groove electric initiating explosive devices according to claim 1, wherein the gauge fixing member (43) comprises a body and a fixing pin (433), and the body is provided with a gauge mounting hole (431) and a pin hole (432);
the gauge mounting hole (431) is arranged on one side of the body, facing the product (2) to be detected, and is a counter bore for being matched with the gauge (3); the pin hole (432) is perpendicular to the gauge mounting hole (431) and is a through hole, and the gauge (3) is fixed after being matched with the fixing pin (433).
10. The automatic interchangeability detection device for five-groove electric initiating explosive device according to claim 9, wherein 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 expansion and contraction of the L-shaped expansion joint (434), and the expansion state of the L-shaped expansion joint (434) is fixed through bolts.
11. An automatic interchangeability detection method for five-groove electric initiating explosive devices is characterized in that the automatic interchangeability detection device for five-groove electric initiating explosive devices is realized by adopting the device for detecting the interchangeability of the five-groove electric initiating explosive devices according to any one of claims 1 to 10, and comprises the following steps:
s1, a first telescopic mechanism enables a rotating motor (42) to move towards a product (2) to be detected along the axis direction of the product (2) to be detected, drives a detection tool (3) to be primarily matched with the product (2) to be detected, and enables the detection tool (3) to be in a dislocation state with the product (2) to be detected;
s2, the first telescopic mechanism further drives the gauge (3) to push the fixing device (51) to compress the compression spring (52) until the gauge (3) reaches a preset position and then stops moving;
s3, the rotating motor (42) drives the gauge fixing piece (43) to rotate so as to enable the gauge (3) to rotate, and alignment of the gauge (3) and a product (2) to be detected is successful;
s4, the compression spring (52) releases elastic potential energy, so that the product (2) to be detected moves towards the detecting tool (3), the detecting tool (3) and the product (2) to be detected are further matched under the combined action of the elastic force of the compression spring (52) to the product (2) to be detected and the torque of the rotating motor (42) to the detecting tool (3), and the matching state of the product (2) to be detected and the detecting tool (3) is obtained through the sensor.
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