阅读说明：本技术 一种底火深度检测装置、系统及其使用方法 (Primer depth detection device and system and use method thereof ) 是由 徐亮 韩银泉 胡翔 于 2019-10-12 设计创作，主要内容包括：本发明公开了一种底火深度检测装置、系统及其使用方法,该底火深度检测装置包括机架、检测转子、检测压杆、工位检测装置、位移传感器和升降机构。本发明采用转子式定位检测结构以及激光位移传感器实时采集方式具有较高的稳定性和效率,并能实时显示或储存于设备系统中,以备后期调用和复查,底火深度的在线检测及分拣方法有效提高了传统设备的信息化功能,提高了人工复检的准确性与质量问题,提高了生产效率,节约了生产资源,底火深度的一致性提高对生产高品质产品的生产线具有重大意义。(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.)

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.

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.