CN218847587U

CN218847587U - Pneumatic ejection tool

Info

Publication number: CN218847587U
Application number: CN202120752220.5U
Authority: CN
Inventors: 康志明; 张海西
Original assignee: Beijing Lumo Jiangfeng Technology Co ltd
Current assignee: Beijing Lumo Jiangfeng Technology Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2023-04-11
Anticipated expiration: 2031-04-13

Abstract

The application relates to the technical field of ejection devices, particularly, relates to a pneumatic ejection tool, including: frock board, pneumatic lock dish and nitrogen gas spring, wherein: the nitrogen spring is embedded in the center of the tooling plate, one end of the nitrogen spring is provided with a push ram, and the other end of the nitrogen spring is provided with a nitrogen filling nozzle; the pneumatic lock plate comprises a first pneumatic lock plate and a second pneumatic lock plate, wherein the first pneumatic lock plate and the second pneumatic lock plate are arranged on two sides of the nitrogen spring respectively and are fixed on the tooling plate. The application provides a pneumatic ejection tool can set for the thrust that the nitrogen spring produced to can observe the test out the test condition of testpieces under different thrust circumstances, the experimental cost is lower, can also carry out repetition test many times, this application adopts the pneumatic lock dish of solenoid valve control to carry out opening and locking of testpieces in addition, and the synchronism of unblock is better, can not produce the thrust skew, has broken through the restriction that traditional definite value thrust developed the experimental test.

Description

Pneumatic ejection tool

Technical Field

The application relates to the technical field of ejection devices, in particular to a pneumatic ejection tool.

Background

The ejection tool is mainly used for testing the test states of workpieces under different thrust working conditions, and the conventional ejection tool can be roughly divided into a mechanical type and an initiating explosive device type.

Mechanical type launches frock generally adopts mechanical hasp and spring structure, and in the test process, spring compression installation needs special frock, and the bigger spring is also bigger more for thrust, and it is more difficult to suppress the spring to mechanical hasp unblock synchronism is relatively poor, produces thrust deflection easily, causes the injury to the testpieces. The initiating explosive device ejection tool generally adopts an initiating explosive device explosion bolt and an explosive ejection cylinder, the element cost of the initiating explosive device is high, most of the initiating explosive device ejection tools are disposable products, no method is available for recycling, and meanwhile, the thrust of the ejection tool cannot be adjusted flexibly according to the requirement of test data easily in the test process.

Aiming at the problems of poor unlocking synchronism of the mechanical lock catch, nonadjustable ejection thrust and incapability of reusing elements in the prior art, an effective solution is not provided at present.

SUMMERY OF THE UTILITY MODEL

The main aim at of this application provides a pneumatic frock of launching can realize setting for the thrust size that the nitrogen spring produced through the adjustment nitrogen gas pressure that fills nitrogen spring to can be experimental many times repeatedly, open and locking through solenoid valve control pneumatic lock dish in addition, broken through traditional definite value thrust and developed the restriction of experimental test.

In order to achieve the above object, the present application provides a pneumatic ejection tool, including: frock board, pneumatic lock dish and nitrogen gas spring, wherein: the nitrogen spring is embedded in the center of the tooling plate, one end of the nitrogen spring is provided with a push ram, and the other end of the nitrogen spring is provided with a nitrogen filling nozzle; the pneumatic lock plate comprises a first pneumatic lock plate and a second pneumatic lock plate, wherein the first pneumatic lock plate and the second pneumatic lock plate are arranged on two sides of the nitrogen spring respectively and are fixed on the tooling plate.

Furthermore, the nitrogen spring charging device is fixedly sleeved on the nitrogen spring through a mounting support.

Further, a charging window on the nitrogen spring charging device is communicated with the nitrogen filling nozzle.

Furthermore, the first pneumatic lock plate and the second pneumatic lock plate are both provided with air receiving ports, and the air receiving ports are connected with the electromagnetic valve through air pipes.

Furthermore, the first pneumatic lock disc and the second pneumatic lock disc are also provided with lock disc pull nails, and the test piece is fixed on the pneumatic lock discs through the lock disc pull nails.

Furthermore, before the test, the pneumatic lock disc is locked, the test piece is locked and fixed on the pneumatic lock disc through the lock disc blind rivet and compresses the nitrogen spring, so that the push plunger and the nitrogen spring are in a contraction state.

Furthermore, in the test process, the pneumatic lock disc is opened, the nitrogen spring is inflated through the inflation window, the nitrogen spring is in an extension state, the push plunger is pushed to eject and push away the test piece, and the ejection test is completed.

The application provides a pair of pneumatic ejection tool has following beneficial effect:

the utility model provides a pneumatic ejection tooling, in the testing process, fill into nitrogen gas spring's nitrogen gas pressure through the adjustment, can set for the thrust that nitrogen gas spring produced, thereby can observe the test out the test condition of testpieces under different thrust circumstances, and use nitrogen gas spring as the power supply of launching, the test cost is lower, can also carry out repetition test many times, this application adopts the pneumatic lock dish of solenoid valve control to carry out opening and locking of testpieces in addition, the synchronism of unblock is better, can not produce the thrust deflection, traditional definite value thrust has been broken through and the restriction of carrying out the test.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

fig. 1 is a schematic diagram of a pre-test state of a pneumatic ejection tool provided according to an embodiment of the present application;

fig. 2 is a schematic diagram of a pneumatic ejection tool provided in an embodiment of the present application in a test state;

fig. 3 is a schematic view of structural components of a pneumatic ejection tool provided according to an embodiment of the present application;

in the figure: 1-tooling plate, 21-first pneumatic lock disc, 22-second pneumatic lock disc, 23-air receiving port, 24-lock disc rivet, 3-nitrogen spring, 31-nitrogen filling nozzle, 4-push plunger, 5-nitrogen spring inflating device, 51-inflating window, 52-mounting support and 6-test piece.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 3, an embodiment of the present application provides a pneumatic ejection tool, including: frock board 1, pneumatic lock dish and nitrogen spring 3, wherein: the nitrogen spring 3 is embedded in the center of the tooling plate 1, one end of the nitrogen spring is provided with a push ram 4, and the other end of the nitrogen spring is provided with a nitrogen filling nozzle 31; the pneumatic lock dish includes first pneumatic lock dish 21 and second pneumatic lock dish 22, and first pneumatic lock dish 21 and second pneumatic lock dish 22 set up respectively in nitrogen gas spring 3's both sides to all fix on frock board 1.

Specifically, the design of pneumatic ejection frock is carried out through the integrated configuration of nitrogen spring 3 and pneumatic lock dish to this application embodiment, in the experimentation, through opening and locking of solenoid valve control pneumatic lock dish, through the size of nitrogen spring 3 control ejection thrust to can carry out repetition test many times, observe and test out the test condition of testpieces 6 under different thrust circumstances. The tool plate 1 is mainly used for fixedly supporting all parts, the pneumatic lock disc is mainly used for being connected with the electromagnetic valve to achieve pneumatic locking of the test piece 6, the nitrogen spring 3 is mainly used for generating ejection thrust, one end of the nitrogen spring is connected with the push plunger 4, the other end of the nitrogen spring is connected with the nitrogen spring inflating device 5, during testing, nitrogen is filled into the nitrogen spring 3 through the nitrogen filling nozzle 31, the nitrogen spring 3 can push the push plunger 4 to generate thrust to eject the test piece 6. The number of the pneumatic lock disks is selected according to the actual shape of the test piece 6, in the embodiment of the present application, preferably, two pneumatic lock disks, namely a first pneumatic lock disk 21 and a second pneumatic lock disk 22, are used for fixing and locking, the two pneumatic lock disks are arranged on two sides of the nitrogen spring 3, and before the test is started, the two ends of the test piece 6 are fixed and locked on the tooling plate 1 through the first pneumatic lock disk 21 and the second pneumatic lock disk 22.

Further, the device comprises a nitrogen spring inflating device 5, wherein the nitrogen spring inflating device 5 is fixedly sleeved on the nitrogen spring 3 through a mounting support 52. The nitrogen spring inflating device 5 is mainly used for inflating the nitrogen spring 3, and nitrogen with different pressures is inflated according to the thrust required by an actual test. The nitrogen spring charging device 5 is integrally sleeved on the nitrogen spring 3 and fixed on the tooling plate 1 through bolts and a mounting support 52.

Further, a charging window 51 of the nitrogen spring charging device 5 communicates with the nitrogen charging nozzle 31. The top of the nitrogen spring inflator 5 is provided with an inflation window 51, and the inflation window 51 is communicated with the nitrogen filling nozzle 31 for filling nitrogen gas into the nitrogen spring 3.

Furthermore, the first pneumatic lock plate 21 and the second pneumatic lock plate 22 are both provided with an air receiving port 23, and the air receiving port 23 is connected with the electromagnetic valve through an air pipe. The air receiving port 23 is mainly used for controlling pneumatic locking of the electromagnetic valve, and air is transmitted to the inside of the first pneumatic lock disc 21 and the second pneumatic lock disc 22 through the electromagnetic valve, the air pipe and the air receiving port 23, so that locking and unlocking of the pneumatic lock discs can be realized.

Further, the first pneumatic lock disc 21 and the second pneumatic lock disc 22 are further provided with lock disc pull nails 24, and the test piece 6 is fixed on the pneumatic lock discs through the lock disc pull nails 24. The lock disc blind rivet 24 is mainly used for fixing the test piece 6, one end of the lock disc blind rivet 24 is arranged in the middle of the first pneumatic lock disc 21 and the second pneumatic lock disc 22, and the other end of the lock disc blind rivet is fixedly connected with the test piece 6. Before the test, the test piece 6 is fixed on the pneumatic lock disc through the lock disc blind rivet 24, and during the test, the test piece 6 and the lock disc blind rivet 24 are ejected together.

Further, as shown in fig. 1, before the test, the pneumatic lock disc is locked, the test piece 6 is locked and fixed on the pneumatic lock disc through the lock disc blind rivet 24, and the nitrogen spring 3 is compressed, so that the push plunger 4 and the nitrogen spring 3 are in a contracted state. Before adopting the pneumatic ejection frock that this application embodiment provided to launch the experiment, fix lock dish blind rivet 24 on testpieces 6 earlier, then open the solenoid valve, carry out the gas transmission to first pneumatic lock dish 21 and second pneumatic lock dish 22 through trachea and gas receiving port 23, make pneumatic lock dish be in the open mode, then install fixed testpieces 6 on pneumatic lock dish through lock dish blind rivet 24, close the solenoid valve, stop gaseous transport, first pneumatic lock dish 21 and second pneumatic lock dish 22 can lock immediately this moment, fix testpieces 6 firmly on pneumatic lock dish, and testpieces 6 can compress nitrogen spring 3, make push rod 4 and nitrogen spring 3 be in the contraction mode.

Further, as shown in fig. 2, in the test process, the pneumatic lock disc is opened, the nitrogen spring 3 is inflated through the inflation window 51, the nitrogen spring 3 is in an extended state, and the push plunger 4 is pushed to eject and push away the test piece 6, so that the ejection test is completed. When the pneumatic ejection tool provided by the embodiment of the application is used for ejection tests, the nitrogen spring 3 is inflated through the inflation window 51 on the nitrogen spring inflation device 5, nitrogen with different pressures is inflated according to actual test requirements, ejection thrust with different sizes is obtained, after inflation is finished, the electromagnetic valve is opened, the electromagnetic valve can transmit air to the pneumatic lock disc, the first pneumatic lock disc 21 and the second pneumatic lock disc 22 can be inflated and opened and are not locked any more, and under the ejection thrust of the nitrogen spring 3, the push rod 4 can stretch out to push away a test piece 6, and ejection tests are completed.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a pneumatic ejection frock which characterized in that includes: frock board, pneumatic lock dish and nitrogen gas spring, wherein:

the nitrogen spring is embedded in the center of the tooling plate, one end of the nitrogen spring is provided with a push ram, and the other end of the nitrogen spring is provided with a nitrogen filling nozzle;

the pneumatic lock plate comprises a first pneumatic lock plate and a second pneumatic lock plate, wherein the first pneumatic lock plate and the second pneumatic lock plate are arranged on two sides of the nitrogen spring respectively and are fixed on the tooling plate.

2. The pneumatic ejection tooling of claim 1, further comprising a nitrogen spring inflation device fixedly sleeved on the nitrogen spring through a mounting support.

3. The pneumatic ejection tooling of claim 2, wherein a gas charging window on the nitrogen spring gas charging device is in communication with the nitrogen fill nozzle.

4. The pneumatic ejection tool of claim 3, wherein each of the first pneumatic lock disk and the second pneumatic lock disk is provided with an air receiving port, and the air receiving ports are connected with the electromagnetic valves through air pipes.

5. The pneumatic ejection tooling of claim 3, wherein the first pneumatic lock disk and the second pneumatic lock disk are further provided with lock disk pull nails, and the test piece is fixed on the pneumatic lock disks through the lock disk pull nails.

6. The pneumatic ejection tooling of claim 5, wherein before testing, the pneumatic lock plate is locked, a test piece is locked and fixed on the pneumatic lock plate through the lock plate rivet, and the nitrogen spring is compressed, so that the push plunger and the nitrogen spring are in a contracted state.

7. The pneumatic ejection tool of claim 6, wherein during the test, the pneumatic lock disc is opened, the nitrogen spring is inflated through the inflation window, the nitrogen spring is in an extended state, and the push plunger is pushed to eject and push away the test piece, so that the ejection test is completed.