CN110645906A - Primer depth detection device and system and use method thereof - Google Patents
Primer depth detection device and system and use method thereof Download PDFInfo
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- CN110645906A CN110645906A CN201910967387.0A CN201910967387A CN110645906A CN 110645906 A CN110645906 A CN 110645906A CN 201910967387 A CN201910967387 A CN 201910967387A CN 110645906 A CN110645906 A CN 110645906A
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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
- G01B11/22—Measuring arrangements characterised by the use of optical techniques for measuring depth
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Abstract
The invention discloses a primer depth detection device, a primer depth detection system and a use method of the primer depth detection device. The invention adopts a rotor type positioning detection structure and a real-time acquisition mode of a laser displacement sensor, has higher stability and efficiency, can be displayed or stored in an equipment system in real time for later calling and rechecking, effectively improves the informatization function of the traditional equipment by the online detection and sorting method of the primer depth, improves the accuracy and quality problems of manual rechecking, improves the production efficiency, saves the production resources, and has great significance for the production line for producing high-quality products by improving the consistency of the primer depth.
Description
Technical Field
The invention relates to the field of small-caliber bullet assembly, in particular to a primer depth detection device and system and a use method thereof.
Background
The primer is one of five major elements of the bullet, and the depth of penetration has important influence on the firing of the bullet, and the domestic old equipment is in a single-channel single-pressing mode, and the depth detection is measured by connecting rod contact and can only be determined as a mass range, and the actual depth of the primer filled in the bullet cannot be completely displayed. The consistency of the pressing depth of the primer is an important index of bullet production, and the speed of bullet firing and the striking accuracy are directly influenced.
With the development of science and technology, the requirements of the human society on the functions and the quality of products are higher and higher, the updating and upgrading period of the products is shorter and shorter, the complexity of the products is increased, and the traditional mass production mode is challenged. Although comprehensive technical improvement and scientific research are performed in the bullet preparation industry in recent years due to historical reasons in China, the original production mode is not completely changed, online detection of product quality can only be completed in a mechanical structure curing range and over-range removing mode, and particularly in the aspect of bullet primer pressing depth quality detection, the actual depth of the bullet primer in detection cannot be completely displayed. If the phenomenon of pressing primer impact bar wearing and tearing appears in equipment, domestic old-fashioned equipment can only pass through the spot check mode discovery of later stage inspector, can not in time point out and lead to a batch bullet primer depth of impressing though the degree of depth differs too much at qualified scope, lead to the product quality inconsistent, must produce certain loss to the production line of production high-quality product, is unfavorable for material saving and energy.
Disclosure of Invention
The invention provides a primer depth detection device, which can detect and monitor the primer pressing-in depth in the rotor assembly process of a small-caliber bullet, particularly can detect in the continuous operation process, and solves the problem that the detection of the pressing-in depth in the bullet primer pressing-in process is not quantized.
The invention is realized by the following technical scheme:
a primer depth detection device comprises a rack, a detection rotor, a detection pressure rod, a station detection device, a displacement sensor and a lifting mechanism; the detection rotor is arranged on the rack, and the axial direction of the detection rotor is parallel to the stand column of the rack; the detection pressure rod is arranged at the upper end of the detection rotor and can move up and down along the axial direction of the detection rotor so as to position an object to be detected; the station detection device comprises an elastic element, a bearing, a lifting detection block, a lifting sleeve, a fixed sleeve and a detection disc; the detection disc is arranged at the lower end of the detection rotor to bear an object to be detected; the fixed sleeve is fixedly arranged below the detection disc and correspondingly placed at the position of an object to be detected; the lifting sleeve is arranged in the fixed sleeve, and the top end of the lifting sleeve is in contact with the inner end face of the top of the fixed sleeve through an elastic element; the lifting detection block is sleeved in the lifting sleeve; the bearing is in threaded connection with the lifting sleeve; the lifting mechanism and the displacement sensor are respectively fixedly arranged on an upright post of the frame; the lifting mechanism can drive the lifting sleeve and the lifting detection block inside the lifting sleeve to move upwards together through the lifting bearing so that the top end of the lifting detection block is contacted with the primer of the object to be detected; the displacement sensor is used for detecting the relative distance from the lifting detection block to the sensor.
Preferably, the device further comprises a gear, and the gear is in transmission connection with the detection rotor to drive the detection rotor to rotate.
Preferably, the rack comprises an upper top plate and a base, and the upper top plate is connected with the base through at least two upright posts.
Preferably, the lifting mechanism adopts a cam mechanism.
Preferably, the elastic element is a spring.
Preferably, the displacement sensor is a laser displacement sensor.
On the other hand, the invention also provides a primer depth detection system, which comprises the primer depth detection device and a control system; the control system comprises a controller, a frequency converter and a driving device; the displacement sensor transmits acquired data to the controller, and the encoder acquires and detects the rotation speed and position signals of the rotor and transmits the signals to the controller; the driving device is used for driving the detection rotor to rotate, the controller sends a control signal to the frequency converter to control the output rotating speed of the driving device, and meanwhile the frequency converter feeds back a motion state signal of the asynchronous motor to the controller.
Preferably, the driving device adopts an asynchronous motor.
Preferably, the controller is a PLC controller.
The invention also provides a using method of the primer depth detection system, which comprises the following steps:
step S1, electrifying, initializing the system, stopping the driving device, and detecting the rotor in a static state;
step S2, starting the driving device, enabling the detection rotor to move at a set speed, enabling the object to be detected to pass through the lifting mechanism along with the rotation of the detection rotor, lifting the bearing through the lifting mechanism, driving the lifting sleeve and the lifting detection block to move upwards together, enabling the top end of the lifting detection block lifted under the action of the elastic element to contact with the primer part of the object to be detected and stop, and enabling the lifting sleeve to continuously lift to ensure that the top end of the lifting detection block is continuously contacted with the primer of the object to be detected for a period of time;
step S3, in the period of time that the top end of the lifting detection block is continuously contacted with the object to be detected, the encoder collects the current absolute position signal of the detection rotor and transmits the signal to the controller, and the displacement sensor collects the displacement signal of the current detection disk and the sensor and transmits the signal to the controller; and the controller processes the received signal to obtain the primer depth of the object to be detected.
The invention has the following advantages and beneficial effects:
the invention adopts a rotor type positioning detection structure and a real-time acquisition mode of a laser displacement sensor, has higher stability and efficiency, can be displayed or stored in an equipment system in real time for later calling and rechecking, effectively improves the informatization function of the traditional equipment by the online detection and sorting method of the primer depth, improves the accuracy and quality problems of manual rechecking, improves the production efficiency, saves the production resources, and has great significance for the production line for producing high-quality products by improving the consistency of the primer depth.
The online detection and sorting device realizes online detection and sorting of the primer depth through the main body structure and the control system, has wide application range, and can be applied to online detection of products with various appearances such as the primer depth, the height difference and the like detected by rotor type equipment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a primer depth detection device according to the present invention.
Fig. 2 is a schematic structural diagram of the station detection device of the present invention.
FIG. 3 is a schematic block diagram of the control system of the present invention.
Reference numbers and corresponding part names in the drawings:
1-detection rotor, 2-detection pressure rod, 3-station detection device, 4-laser displacement sensor, 5-base, 6-object to be detected, 7-elastic element, 8-bearing, 9-lifting mechanism, 10-lifting sleeve, 11-upper top plate, 12-gear, 13-upright column, 14-lifting sleeve, 15-fixing sleeve and 16-detection plate.
Detailed Description
Hereinafter, the term "comprising" or "may include" used in various embodiments of the present invention indicates the presence of the invented function, operation or element, and does not limit the addition of one or more functions, operations or elements. Furthermore, as used in various embodiments of the present invention, the terms "comprises," "comprising," "includes," "including," "has," "having" and their derivatives are intended to mean that the specified features, numbers, steps, operations, elements, components, or combinations of the foregoing, are only meant to indicate that a particular feature, number, step, operation, element, component, or combination of the foregoing, and should not be construed as first excluding the existence of, or adding to the possibility of, one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.
In various embodiments of the invention, the expression "or" at least one of a or/and B "includes any or all combinations of the words listed simultaneously. For example, the expression "a or B" or "at least one of a or/and B" may include a, may include B, or may include both a and B.
Expressions (such as "first", "second", and the like) used in various embodiments of the present invention may modify various constituent elements in various embodiments, but may not limit the respective constituent elements. For example, the above description does not limit the order and/or importance of the elements described. The foregoing description is for the purpose of distinguishing one element from another. For example, the first user device and the second user device indicate different user devices, although both are user devices. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of various embodiments of the present invention.
It should be noted that: if it is described that one constituent element is "connected" to another constituent element, the first constituent element may be directly connected to the second constituent element, and a third constituent element may be "connected" between the first constituent element and the second constituent element. In contrast, when one constituent element is "directly connected" to another constituent element, it is understood that there is no third constituent element between the first constituent element and the second constituent element.
The terminology used in the various embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the various embodiments of the invention. As used herein, the singular forms are intended to include the plural forms as well, unless the context clearly indicates otherwise. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments of the present invention belong. The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their contextual meaning in the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in various embodiments of the present invention.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
This embodiment provides a primer degree of depth detection device, should include the frame, detect rotor 1, detect depression bar 2, station detection device 3, displacement sensor 4 and elevating system.
As shown in fig. 1 and 2, the detection rotor 1 is mounted on a frame, and the axial direction of the detection rotor 1 is parallel to a frame upright 13; the detection pressure rod 2 is arranged at the upper end of the detection rotor 1 and can move up and down along the axial direction of the detection rotor to position an object to be detected; the station detection device 3 comprises an elastic element 7, a bearing 8, a lifting detection block 10, a lifting sleeve 14, a fixed sleeve 15 and a detection disc 16; the detection disc 16 is arranged at the lower end of the detection rotor 1 to bear the object 6 to be detected; the fixed sleeve 14 is fixedly arranged below the detection disc 16 and correspondingly placed at the position of an object to be detected; the lifting sleeve 14 is arranged inside the fixed sleeve 15, and the top end of the lifting sleeve 14 is in contact with the inner end face of the top of the fixed sleeve 15 through the elastic element 7; the lifting detection block 10 is sleeved in a lifting sleeve 14; the bearing 8 is in threaded connection with the lifting sleeve 14; the lifting mechanism 9 and the displacement sensor 4 are both fixedly arranged on an upright post 13 of the frame; the lifting mechanism 9 drives the lifting sleeve 14 and the lifting detection block 10 inside to move upwards together through lifting the bearing 8, so that the top end of the lifting detection block 10 contacts the primer of the object to be detected 6.
In this embodiment, the lifting mechanism 9 and the displacement sensor 4 are respectively and fixedly mounted on the upright 13 through mounting brackets. The displacement sensor 4 is used for detecting the relative distance from the lifting detection block to the sensor.
In this embodiment, this primer depth detection device still includes gear 12, gear 12 is connected with detection rotor 1 transmission to drive and detect rotor 1 and rotate.
In this embodiment, the frame of the primer depth detection device includes an upper top plate 11 and a base 5, and the upper top plate 11 and the base 5 are connected to form a frame structure through two vertical posts 13. In another preferred embodiment, the upper top plate 11 and the base 5 may also be connected by a plurality of pillars 13.
In the present embodiment, the elastic element 7 is, but not limited to, a spring.
In the present embodiment, the lifting mechanism 9 is, but not limited to, a cam.
In the present embodiment, the displacement sensor 4 is, but not limited to, a laser displacement sensor.
The object 6 to be measured of the present embodiment includes, but is not limited to, a cartridge case with primer.
The operating principle of the primer depth detection device of the embodiment is as follows: when the object to be detected 6 moves to the detection position, the lifting mechanism 9 (cam) raises the bearing 8 through the cam curve, thereby driving the lifting sleeve 14 and the lifting detection block 10 to rise together, the top end of the lifting detection block 10 which rises under the action of the elastic element 7 (spring) is contacted with the primer part of the object to be detected 6 to stop, the lifting sleeve 14 can continue to rise, thereby the lifting detection block 10 is kept in a relatively static state with the primer part of the cartridge case in a certain interval, the relative distance from the lifting detection block to the sensor is detected through the displacement sensor 4 in the process, and the relative distance is transmitted to the controller to be subjected to signal processing, the primer depth of the object to be detected 6 is obtained, and the data is compared with the standard value to judge whether the object is qualified.
Example 2
The embodiment provides a primer depth detection system, which comprises the primer depth detection device and a control system provided in the embodiment 1, wherein the control system comprises a controller, a frequency converter and a driving device; the displacement sensor transmits acquired data to the controller, and the encoder acquires and detects the rotation speed and position signals of the rotor and transmits the signals to the controller; the driving device is used for driving the detection rotor to rotate, the controller sends a control signal to the frequency converter to control the output rotating speed of the driving device, and meanwhile the frequency converter feeds back a motion state signal of the asynchronous motor to the controller.
Specifically, the controller adopts a PLC controller, and the driving device adopts an explosion-proof asynchronous motor. As shown in fig. 3, an output point QW0 of the controller is connected with the frequency converter to control the rotation speed of the asynchronous motor, so as to realize the controllability of the detection rotor; the QX2.1 is connected with the frequency converter to control the start-stop state of the asynchronous motor; the input point IW0 is connected with the encoder and detects the transmission speed and the absolute position of the rotor 1; the input point IW2 is connected with the laser displacement sensor 4 to detect whether the depth value is qualified; and an input point IX4.2 is connected with the frequency converter to feed back the motion state of the asynchronous motor.
The working process of the primer depth detection system of the embodiment is as follows:
after power-on, the system is initialized, the asynchronous motor is in a stop state, and the rotor is detected to be in a static state. After the work begins, asynchronous machine starts, the detection rotor moves according to the set speed, the detection object passes through the cam along with the rotation of the detection rotor, the bearing is raised through the cam curve, thereby driving the lifting sleeve and the lifting detection block to rise together, the top end of the lifting detection block rising under the action of the spring is contacted with the primer part of the detection object and stops, the lifting sleeve can continue to rise, thereby the lifting detection block and the primer part of the cartridge case are kept in a relative static state in a certain interval, meanwhile, the encoder gives out an absolute position signal of the detection rotor and transmits the absolute position signal to the controller in the process, the laser displacement sensor collects primer distance data of the object to be detected, and transmits the primer distance data to the controller for signal processing, the primer depth is obtained, and the absolute position signal is compared with the standard value data, and whether the primer depth of the current object.
The primer depth detection system of the embodiment further comprises a rear-end removing device and an upper computer, wherein the upper computer receives the qualified or unqualified signal fed back by the control system, carries out unqualified prompt, and controls the rear-end removing device to remove unqualified objects to be detected. The detection system that this embodiment rejected realizes the product primer degree of depth on-line measuring and the letter sorting of multiple bore appearance.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A primer depth detection device is characterized by comprising a rack, a detection rotor, a detection pressure rod, a station detection device, a displacement sensor and a lifting mechanism; the detection rotor is arranged on the rack, and the axial direction of the detection rotor is parallel to the stand column of the rack; the detection pressure rod is arranged at the upper end of the detection rotor and can move up and down along the axial direction of the detection rotor so as to position an object to be detected; the station detection device comprises an elastic element, a bearing, a lifting detection block, a lifting sleeve, a fixed sleeve and a detection disc; the detection disc is arranged at the lower end of the detection rotor to bear an object to be detected; the fixed sleeve is fixedly arranged below the detection disc and correspondingly placed at the position of an object to be detected; the lifting sleeve is arranged in the fixed sleeve, and the top end of the lifting sleeve is in contact with the inner end face of the top of the fixed sleeve through an elastic element; the lifting detection block is sleeved in the lifting sleeve; the bearing is in threaded connection with the lifting sleeve; the lifting mechanism and the displacement sensor are respectively fixedly arranged on an upright post of the frame; the lifting mechanism can drive the lifting sleeve and the lifting detection block inside the lifting sleeve to move upwards together through the lifting bearing so that the top end of the lifting detection block is contacted with the primer of the object to be detected; the displacement sensor is used for detecting the relative distance from the lifting detection block to the sensor.
2. The primer depth detection device of claim 1, further comprising a gear, wherein the gear is in transmission connection with the detection rotor to drive the detection rotor to rotate.
3. The primer depth detection device of claim 1, wherein the frame comprises an upper top plate and a base, and the upper top plate and the base are connected through at least two upright posts.
4. The primer depth detection device according to claim 1, wherein the lifting mechanism employs a cam mechanism.
5. The primer depth detection device of claim 1, wherein the resilient member is a spring.
6. The primer depth detection device according to claim 1, wherein the displacement sensor is a laser displacement sensor.
7. A primer depth detection system, comprising a primer depth detection device according to any one of claims 1 to 6 and a control system; the control system comprises a controller, a frequency converter and a driving device; the displacement sensor transmits acquired data to the controller, and the encoder acquires and detects the rotation speed and position signals of the rotor and transmits the signals to the controller; the driving device is used for driving the detection rotor to rotate, the controller sends a control signal to the frequency converter to control the output rotating speed of the driving device, and meanwhile the frequency converter feeds back a motion state signal of the asynchronous motor to the controller.
8. The primer depth detection system of claim 7, wherein the driving device is an asynchronous motor.
9. The primer depth detection system of claim 7, wherein the controller is a PLC controller.
10. Use of a primer depth detection system according to claims 7-9, characterised in that the method comprises:
step S1, electrifying, initializing the system, stopping the driving device, and detecting the rotor in a static state;
step S2, starting the driving device, enabling the detection rotor to move at a set speed, enabling the object to be detected to pass through the lifting mechanism along with the rotation of the detection rotor, lifting the bearing through the lifting mechanism, driving the lifting sleeve and the lifting detection block to move upwards together, enabling the top end of the lifting detection block lifted under the action of the elastic element to contact with the primer part of the object to be detected and stop, and enabling the lifting sleeve to continuously lift to ensure that the top end of the lifting detection block is continuously contacted with the primer of the object to be detected for a period of time;
step S3, in the period of time that the top end of the lifting detection block is continuously contacted with the object to be detected, the encoder collects the current absolute position signal of the detection rotor and transmits the signal to the controller, and the displacement sensor collects the displacement signal of the current detection disk and the sensor and transmits the signal to the controller; and the controller processes the received signal to obtain the primer depth of the object to be detected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910967387.0A CN110645906A (en) | 2019-10-12 | 2019-10-12 | Primer depth detection device and system and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910967387.0A CN110645906A (en) | 2019-10-12 | 2019-10-12 | Primer depth detection device and system and use method thereof |
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| CN110645906A true CN110645906A (en) | 2020-01-03 |
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| CN201910967387.0A Pending CN110645906A (en) | 2019-10-12 | 2019-10-12 | Primer depth detection device and system and use method thereof |
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Cited By (1)
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| CN111442738A (en) * | 2020-03-23 | 2020-07-24 | 四川大学 | Device and method for acquiring three-dimensional trace characteristics of primer of cartridge case |
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Application publication date: 20200103 |