CN115451758A

CN115451758A - Spring pressing assembly device

Info

Publication number: CN115451758A
Application number: CN202211092820.9A
Authority: CN
Inventors: 夏志勇; 刘彬; 金丰护; 徐亮; 晏希; 汪洋
Original assignee: China South Industries Group Automation Research Institute
Current assignee: China South Industries Group Automation Research Institute
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2022-12-09
Anticipated expiration: 2042-09-08
Also published as: CN115451758B

Abstract

The invention discloses an elastic pressing assembly device which comprises a first mounting seat and a second mounting seat which are connected through a plurality of connecting columns, wherein a first cam is arranged above the first mounting seat, and a second cam is arranged below the second mounting seat; two ends of the first rotating shaft are respectively and rotatably connected into the axial holes of the first cam and the second cam; the first rotating shaft is fixedly connected with a first sliding seat, a first shifting wheel, a guide die holder, a second shifting wheel and a second sliding seat from top to bottom in sequence. The device adopts a continuously rotating material conveying mode, so that the time consumption of idle stroke of conventional stepping logistics is avoided; meanwhile, the bullet and the bullet shell are continuously conveyed, the butt joint and the press fit of parts are realized into the bullet, the station time of butt joint and press fit of the parts and feeding of the bullet and the bullet shell is not exclusively occupied, and the assembly efficiency of the bullet is greatly improved.

Description

Spring pressing assembly device

Technical Field

The invention relates to the technical field of bullet product production, in particular to a bullet forming press-fit assembly device which is suitable for automatic press-fit assembly of bullet shells in the assembly production of various types of bullets.

Background

Along with the requirements of national security guarantee, the requirements on the quality of weapons and ammunitions and the guarantee capability in wartime are continuously enhanced, so the requirements on the production efficiency and the quality of bullets are continuously improved. The finished bullet press fitting is a key process in the production of bullets.

The existing spring forming press-fitting assembly mostly adopts a single machine device or a stepping transmission stamping assembly production mode, and the press-fitting assembly mode has the defects that the assembly efficiency is not high, the straightness of an assembled spring forming product is poor, the qualification rate caused by large surface damage is low, and the like.

In addition, stamping presents a higher safety risk due to the higher energetic agents involved in production. The defects of the prior art in aspects of bullet pressing assembly production efficiency, product quality and production safety seriously restrict the efficiency of automatic production of bullets and the ammunition production guarantee capability.

Therefore, how to provide a bullet pressing and assembling device, which is applied to bullet automatic production, solves the problems of low efficiency, low product quality, high safety risk and the like of bullet shell automatic pressing and assembling in the existing bullet assembling production, and is a technical problem which needs to be solved by technical personnel in the field urgently.

Disclosure of Invention

In view of the above, the present invention provides a snap-in fitting arrangement for overcoming the above problems or at least partially solving the above problems. The problems that in the prior art, the bullet shell automatic pressing assembly efficiency is low, the product quality is not high, the safety risk is high, and the gun bullet production efficiency and the product quality cannot be increased day by day in bullet assembly production are solved. The device can realize quick, accurate and safe pressing assembly of the warhead cartridge cases in quick multi-model finished bullet assembly production, and meets the requirements of finished bullet assembly automatic production.

The invention provides the following scheme:

an elastic press-fit assembly device comprising:

the device comprises a first mounting seat and a second mounting seat which are connected through a plurality of connecting columns, wherein a first cam is arranged above the first mounting seat, and a second cam is arranged below the second mounting seat; a first guide groove with an up-and-down fluctuation curve structure is formed in the outer side face of the first cam; a second guide groove with an up-and-down fluctuation curve structure is arranged on the outer side surface of the second cam;

the two ends of the first rotating shaft are respectively and rotatably connected into the axial holes of the first cam and the second cam; the first rotating shaft is fixedly connected with a first sliding seat, a first shifting wheel, a guide die holder, a second shifting wheel and a second sliding seat from top to bottom in sequence;

the guide die holder is provided with a guide die penetrating through the upper surface and the lower surface of the guide die holder; the first sliding seat is provided with a vertical pressing rod which can slide relative to the first sliding seat, the upper end of the pressing rod is connected with a first follower, and the first follower is connected into the first guide groove in a matching manner; the second sliding seat is provided with a supporting rod which can slide relative to the second sliding seat and is in a vertical state, the lower end of the supporting rod is connected with a second follower, and the second follower is connected into the second guide groove in a matching manner;

the guide die, the pressure lever and the support rod are axially overlapped and distributed in the vertical direction; the first thumb wheel is used for supplying bullets to be assembled to the position right below the pressure rod, and the second thumb wheel is used for supplying shells to be assembled to the position right above the support rod; the first rotating shaft is used for driving the first sliding seat, the first shifting wheel, the guide die holder, the second shifting wheel and the second sliding seat to synchronously rotate, so that the first follower and the second follower respectively move along the first guide groove and the second guide groove to drive the pressing rod and the supporting rod to enter and exit the guide die.

Preferably: the upper end face of the guide die is provided with a spring, and the spring, the guide die, the pressing rod and the supporting rod are distributed in an axial line superposition mode in the vertical direction.

Preferably: the guide die comprises a plurality of guide die seats which are uniformly distributed along the circumferential direction of the guide die seats, the press rod comprises a plurality of guide die components which are uniformly distributed along the circumferential direction of the first sliding seat and are the same as the guide die components, and the support rod comprises a plurality of guide die components which are uniformly distributed along the circumferential direction of the second sliding seat and are the same as the guide die components.

Preferably: the connecting columns penetrate through the rack assembly, so that the two ends of each connecting column are correspondingly connected to the first mounting seat and the second mounting seat.

Preferably: the bullet feeding wheel is provided with a plurality of bullet containing notches, and the lower end face of the bullet feeding wheel and the lower end face of the first shifting wheel are located on the same horizontal plane.

Preferably: the warhead feeding wheel is connected with the rack assembly through a warhead wheel frame.

Preferably: still include shell case feed wheel, the outer disc of shell case feed wheel with the outer disc of second thumb wheel is tangent, shell case feed wheel is provided with a plurality of shell case holding breachs, when the bracing piece is located extreme lower position department the up end of bracing piece the lower terminal surface of second thumb wheel and the lower terminal surface of shell case feed wheel is in same horizontal plane.

Preferably: the bullet feed wheel is connected with the second pivot, shell case feed wheel is connected with the third pivot, the second pivot is used for the drive bullet feed wheel is rotatory, the third pivot is used for the drive shell case feed wheel is rotatory.

Preferably: the first rotating shaft, the second rotating shaft and the third rotating shaft penetrate through the rack assembly and the first mounting seat and extend to the lower part of the first mounting seat; the first rotating shaft, the second rotating shaft and the third rotating shaft are respectively in meshed connection with a power gear of a power assembly through gears, so that the first rotating shaft, the second rotating shaft and the third rotating shaft synchronously rotate at a fixed rotating speed ratio.

Preferably: the first follower and the second follower each include a horizontally mounted roller.

According to the specific embodiment provided by the invention, the invention discloses the following technical effects:

according to the elastic pressing assembly device provided by the embodiment of the application, a continuously rotating material conveying mode is adopted, so that the time consumed by conventional stepping logistics during idle stroke is avoided; meanwhile, the bullet and the bullet shell are continuously conveyed, the butt joint and the press fit of parts are realized into the bullet, the station time of butt joint and press fit of the parts and feeding of the bullet and the bullet shell is not exclusively occupied, and the assembly efficiency of the bullet is greatly improved.

In addition, under the preferred embodiment, the device accomplishes the butt joint of warhead, the shell case in the guide die, the product straightness accuracy of the bullet assembly has been guaranteed, in addition through bracing piece and depression bar) the gradual pressfitting mode on support cam and depression bar cam, the impact of punching press mode to the product has been avoided, the qualification rate of bullet, product quality and production safety have been improved by a wide margin, the problem that the butt joint pressfitting assembly mode of step punching press that has mostly adopted at present exists is low in efficiency, product quality is not high and the potential safety hazard is big is solved, to promoting the efficiency of bullet assembly production, product quality and ammunition production support ability has the positive effect.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can also be derived from them without inventive effort.

Fig. 1 is a schematic structural diagram of a spring pressing and assembling device according to an embodiment of the present invention.

In the figure: the device comprises a connecting column 1, a first mounting seat 2, a second mounting seat 3, a first cam 4, a first guide groove 41, a second cam 5, a second guide groove 51, a first rotating shaft 6, a first sliding seat 7, a first shifting wheel 8, a guide die holder 9, a second shifting wheel 10, a second sliding seat 11, a guide die 12, a pressing rod 13, a first follower 14, a supporting rod 15, a second follower 16, a spring 17, a rack component 18, a bullet feeding wheel 19, a bullet wheel carrier 20, a bullet shell feeding wheel 21, a second rotating shaft 22, a third rotating shaft 23 and a gear 24.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.

Referring to fig. 1, an elastic press-fit assembly apparatus according to an embodiment of the present invention, as shown in fig. 1, may include:

the device comprises a first mounting seat 2 and a second mounting seat 3 which are connected through a plurality of connecting columns 1, wherein a first cam 4 is arranged above the first mounting seat 2, and a second cam 5 is arranged below the second mounting seat 3; a first guide groove 41 with an up-and-down fluctuation curve structure is arranged on the outer side surface of the first cam 4; a second guide groove 51 with an up-and-down wave curve structure is arranged on the outer side surface of the second cam 5;

a first rotating shaft 6, wherein two ends of the first rotating shaft 6 are respectively rotatably connected to the axis holes of the first cam 4 and the second cam 5; the first rotating shaft 6 is fixedly connected with a first sliding seat 7, a first shifting wheel 8, a guide die holder 9, a second shifting wheel 10 and a second sliding seat 11 in sequence from top to bottom;

the guide die holder 9 is provided with a guide die 12 penetrating through the upper surface and the lower surface of the guide die holder; the first sliding seat 7 is provided with a pressing rod 13 which can slide relative to the first sliding seat 7 and is in a vertical state, the upper end of the pressing rod 13 is connected with a first follower 14, and the first follower 14 is connected into the first guide groove 41 in a matching way; the second slide 11 is provided with a support rod 15 which can slide relative to the second slide 11 and is in a vertical state, the lower end of the support rod 15 is connected with a second follower 16, and the second follower 16 is connected into the second guide groove 51 in a matching way;

the guide die 12, the pressure lever 13 and the support rod 15 are axially overlapped and distributed in the vertical direction; the first thumb wheel 8 is used for supplying bullets to be assembled to the position right below the pressure rod 13, and the second thumb wheel 10 is used for supplying shells to be assembled to the position right above the support rod 15; the first rotating shaft 6 is used for driving the first slide seat 7, the first thumb wheel 8, the guiding mold seat 9, the second thumb wheel 10 and the second slide seat 11 to rotate synchronously, so that the first follower 14 and the second follower 16 respectively move along the first guiding groove 41 and the second guiding groove 51 to drive the pressing rod 13 and the supporting rod 15 to enter and exit the guiding mold 12.

According to the elastic pressing assembly device provided by the embodiment of the application, along with the rotation of the first sliding seat 7, the pressing rod 13 can move up and down along the vertical direction under the guiding action of the first sliding seat 7 under the action of the first follower 14. Meanwhile, the support rod 15 is allowed to move up and down in the vertical direction by the second follower 16 with the rotation of the second carriage 11 under the guiding action of the second carriage 11. First thumb wheel 8 can supply the warhead to the depression bar 13 under, second thumb wheel 10 can supply the shell case to the bracing piece 15 directly over, guide die 12 has the open cavity structure in both ends, along with the upward movement of depression bar 13 downstream and bracing piece 15, can push warhead and shell case in guide die 12, along with being close to of depression bar 13 front end and bracing piece 15 front end, can provide pressure to warhead and shell case simultaneously and make warhead and shell case pressfitting realize the assembly of warhead and shell case.

In practical application, in order to form a certain buffer to the pressure during the pressing process and prevent the bullet or the cartridge case from being damaged due to the excessive pressure, in the embodiment of the present application, a spring 17 may be disposed on the upper end surface of the guide die 12, and the spring 17 is axially overlapped with the guide die 12, the pressing rod 13, and the supporting rod 15 in the vertical direction. A part of the spring 17 can go deep into the guide die 12, the spring 17 can be compressed after the cartridge case enters, and the warhead enters the cartridge case through the inside of the spring 17, so that a certain buffering effect is achieved.

In order to further improve the working efficiency of the apparatus provided in the embodiment of the present application, it may further be provided that the guiding mold 12 includes a plurality of guiding molds 9 uniformly distributed in the circumferential direction, the pressing rod 13 includes a plurality of guiding molds 12 uniformly distributed in the circumferential direction of the first slide 7, and the supporting rod 15 includes a plurality of guiding molds 12 uniformly distributed in the circumferential direction of the second slide 11. A guide die 12, a pressure lever 13 and a support rod 15 which are opposite up and down form a set of assembly mechanisms, and each set of assembly mechanism can complete the assembly of a warhead and a cartridge case. Wherein a first follower 14 is installed at the upper end of each pressing rod 13, and a second follower 16 is installed at the lower end of a supporting rod 15. Thereby ensuring that each pressure lever 13 and each support lever 15 can move up and down independently and orderly.

In order to better position and mount each component, the embodiment of the application may further provide that the connecting rod further includes a rack assembly 18, and a plurality of the connecting rods 1 pass through the rack assembly 18 so that the two ends of each connecting rod are respectively connected to the first mounting seat 2 and the second mounting seat 3 in a one-to-one correspondence manner.

It can be understood that, in the apparatus provided in the embodiment of the present application, the bullet and the cartridge case can be loaded in various manners, for example, manual loading may be used, and the bullet and the cartridge case are manually placed at corresponding positions of the first thumb wheel 8 and the second thumb wheel 10, respectively, and the bullet and the cartridge case can be transferred below the pressing rod 13 and above the supporting rod 15 as the first thumb wheel 8 and the second thumb wheel 10 rotate. In order to further improve the degree of automation of the device that this application embodiment provided to improve work efficiency, this application embodiment can also provide and still include warhead feed wheel 19, warhead feed wheel 19 the circumference with first thumb wheel 8's circumference is tangent, warhead feed wheel 19 is provided with a plurality of warheads holding breach, warhead feed wheel 19 the lower terminal surface with first thumb wheel 8's lower terminal surface is in same horizontal plane. Further, the warhead feeding wheel 19 is connected with the frame assembly 18 through a warhead wheel carrier 20. The warhead feeding wheel 19 can be connected with the warhead production equipment in the previous process, and the warhead produced in the previous process can be transferred onto the warhead feeding wheel 19 and then transferred to the corresponding position of the first shifting wheel 8 by the warhead feeding wheel 19.

Still include shell case feed wheel 21, the outer disc of shell case feed wheel 21 with the outer disc of second thumb wheel 10 is tangent, shell case feed wheel 21 is provided with a plurality of shell case holding breach, when bracing piece 15 is located extreme lower position department the up end of bracing piece 15 the lower terminal surface of second thumb wheel 10 and the lower terminal surface of shell case feed wheel 21 is in same horizontal plane. Similarly, the cartridge case feeding wheel 21 can be connected with the previous process of cartridge case production, the cartridge case obtained in the previous process is transferred to the cartridge case feeding wheel 21, and then the cartridge case is transferred to the corresponding position of the second thumb wheel 10 by the cartridge case feeding wheel 21.

Through setting up of warhead feed wheel 19 and shell case feed wheel 21, can effectual improvement the device's degree of automation, simultaneously can greatly reduced workman's intensity of labour, can also improve work efficiency simultaneously.

Specifically, warhead feed wheel 19 is connected with second pivot 22, shell case feed wheel 21 is connected with third pivot 23, second pivot 22 is used for the drive warhead feed wheel 19 is rotatory, third pivot 23 is used for the drive shell case feed wheel 21 is rotatory. The first rotating shaft 6, the second rotating shaft 22 and the third rotating shaft 23 all penetrate through the rack assembly 18 and the first mounting seat 2 and extend to the lower part of the first mounting seat 2; the first rotating shaft 6, the second rotating shaft 22 and the third rotating shaft 23 are respectively connected with a power gear 24 of a power assembly in a meshing manner through the gear 24, so that the first rotating shaft 6, the second rotating shaft 22 and the third rotating shaft 23 synchronously rotate at a fixed rotating speed ratio. The first rotating shaft 6, the second rotating shaft 22, and the third rotating shaft 23 can be synchronously rotated at a fixed rotation speed ratio by providing gears 24 of different diameters.

Further, the first follower 14 and the second follower 16 each include a horizontally mounted roller. The up-and-down movement of the pressing rod 13 and the supporting rod 15 provided by the embodiment of the present application is realized by the first follower 14 and the second follower 16 arranged and under the guiding action of the first guide groove 41 and the second guide groove 51, and compared with the up-and-down driving structure using an air cylinder or the like, the up-and-down movement has many advantages of simple mechanical structure, high reliability and the like.

The structure and the using method of the elastic press-fit assembling device provided by the embodiment of the present application will be described in detail below by taking the arrangement of the plurality of guide dies 12, the plurality of pressing rods 13, and the plurality of support rods 15 as an example.

The bullet-forming press-fit assembly device comprises a first cam 4, a second cam 5, a first follower 14, a second follower 16, a supporting rod 15, a rack assembly 18, a second thumb wheel 10, a guide die 12, a guide die holder 9, a spring 17, a first thumb wheel 8, a pressing rod 13, a first sliding seat 7, a rotating shaft, a bullet feeding wheel 19, a bullet wheel carrier 20, a bullet shell feeding wheel 21, a second sliding seat 11 and a power assembly.

The connection relationship is that the first cam 4 is fixedly arranged on the central axis of the lower end of the upper plane of the frame component 18, the second cam 5 is fixedly arranged on the central axis of the upper end of the lower plane of the frame component 18,

the rotating shaft rotates in the axis holes of the second cam 5 and the first cam 4, the rotating shaft is sequentially and fixedly connected with a first sliding seat 7, a first shifting wheel 8, a guide die holder 9, a second shifting wheel 10 and a second sliding seat 11 from top to bottom, wherein the first shifting wheel 8 and the guide die holder 9 are in contact with two adjacent end faces in the vertical direction, and other components are arranged at intervals. A plurality of movable pressure rods 13 are uniformly and vertically arranged on the first sliding seat 7 in the radial direction by taking the axis as the center, a first follower 14 is horizontally arranged at the upper end of each pressure rod 13, the first follower 14 is in contact with the surface of the first guide groove 41 of the first cam 4, a plurality of guide dies 12 are uniformly and vertically arranged in the guide die holder 9 in the radial direction by taking the axis as the center, and springs 17 are arranged on the upper end faces of the guide dies 12. A plurality of movable supporting rods 15 are uniformly and vertically arranged on the second sliding seat 11 in the radial direction by taking the axis as the center, a second follower 16 is horizontally arranged at the lower end of each supporting rod 15, and the second follower 16 is in contact with the surface of the second cam 5.

A shell feeding wheel 21 is arranged at the equal height position of the lower end surface of the second thumb wheel 10, the circumference of the shell feeding wheel 21 is tangent with the second thumb wheel 10, a shell feeding wheel 21 is arranged at the equal height position of the lower end surface of the first thumb wheel 8, the circumference of the shell feeding wheel is tangent with the second thumb wheel 10, and the first thumb wheel 8 is arranged on the rack assembly 18 through a bullet wheel carrier 20.

The number of the support rods 15, the number of the guide molds 12, the number of the springs 17 and the number of the compression rods 13 are equal, and the axes of the single group of support rods 15, the single group of guide molds 12, the number of the springs 17 and the number of the compression rods 13 are distributed in a superposition manner;

the supporting rod 15 is arranged at a tangent point of the circumference of the cartridge case feeding wheel 21 and the second thumb wheel 10, and the upper end face of the supporting rod 15, the lower end face of the cartridge case feeding wheel 21 and the lower end face of the second thumb wheel 10 are located on the same horizontal plane.

The working flow of the elastic pressing assembly device provided by the embodiment of the application is as follows: the power component drives the rotating shaft, the bullet feeding wheel 19 and the bullet shell feeding wheel 21 to synchronously rotate at a fixed speed ratio, and the rotating shaft drives the first sliding seat 7, the first shifting wheel 8, the guide die holder 9, the second shifting wheel 10) and the second sliding seat 11 which are fixedly arranged on the rotating shaft to jointly rotate;

the shells gradually enter the second thumb wheel 10 from the shell feeding wheel 21 through the tangent point of the second thumb wheel 10 and the periphery of the shell feeding wheel 21 and continuously rotate, the second follower 16 at the lower end of the support rod 15 moves upwards along the curved surface of the second cam 5 during rotation to drive the support rod 15 to move upwards on the second slide seat 11, and the shells are gradually lifted into the guide die 12 until the shells are attached to the inner surface of the guide die 12 and the guide die 12 compresses the spring 17 to move upwards; meanwhile, the warheads are gradually sent to the first shifting wheel 8 from a warhead feeding wheel 19 positioned above the guide die holder 9 through a tangent point at the circumference of the first shifting wheel 8 and the warhead feeding wheel 19; the bullet falls into a guide die 12 right below the first thumb wheel 8, then in the continuous rotation process of the device, a pressure rod 13 vertically moves downwards along the curve of a first guide groove 41 of a first cam 4 along with a first follower 14 at the upper end of the pressure rod 13, and the bullet is slowly pressed into a bullet shell in the guide die 12 through the center of the guide die 12, so that the bullet and the bullet shell are automatically combined, the pressing process of bullet assembly is completed, and the length requirement of the bullet is met;

after the bullet and the cartridge case are automatically pressed and combined into a bullet, along with the continuous rotation of the rotating shaft, the first follower 14 at the lower end of the support rod 15 moves downwards along the curved surface of the second cam 5 to drive the support rod 15 to move downwards on the second slide seat 11, the upper end face of the support rod 15 gradually separates from the bottom of the cartridge case, at this time, the press rod 13 continues to move vertically downwards along the curve of the first cam 4, the bullet passes through the center of the guide die 12 to continue to press the bullet downwards, the bullet that has been pressed and is separated from the guide die 12 until the bottom of the bullet-formed cartridge case contacts with the upper end face of the support rod 15, the bottom height of the bullet-formed cartridge case gradually descends along with the action of the second cam 5 of the support rod 15 and falls back into the second thumb wheel 10, meanwhile, the press rod 13 vertically moves upwards along the curve of the first cam 4, the lower end face of the press rod 13 gradually separates from the inner cavity of the guide die 12, and the second thumb wheel 10 continues to rotate and drive the bullet that has been pressed and enters the next process.

The bullet that passes through that this application embodiment provides drives the pivot, warhead feed wheel 19, shell case feed wheel 21 in order synchronous rotation, the pivot drives depression bar 13, bracing piece 15 and makes up-and-down motion along the cam curve of second cam 5 and first cam 4 respectively, will be in the bullet on upper strata and be in the shell case of lower floor all to direction mould 12 opposite direction motion in synchronous rotation, realize the accurate butt joint of warhead and shell case in direction mould 12 and pressfitting to same length.

The device provided by the embodiment of the application adopts a continuously rotating material conveying mode, so that the time consumption of conventional stepping material flow during idle stroke is avoided; meanwhile, the bullet and the bullet shell are continuously conveyed, the butt joint and the press fit of parts are realized into the bullet, the station time of butt joint and press fit of the parts and feeding of the bullet and the bullet shell is not exclusively occupied, and the assembly efficiency of the bullet is greatly improved.

The device that this application embodiment provided accomplishes the warhead in the inside of direction mould 12, the butt joint of shell case, the product straightness accuracy of bullet assembly has been guaranteed to become, through bracing piece 15 and the gradual pressfitting mode of depression bar 13 on second cam 5 and first cam 4 in addition, the impact of punching press mode to the product has been avoided, the qualification rate of bullet has been improved by a wide margin, product quality and production security, the not high inefficiency that the butt joint pressfitting assembly mode of the step-by-step punching press that has solved present most adopted exists, product quality and the big defect of potential safety hazard. The device is applicable to the automated production of one-tenth bullet assembly, can improve the production efficiency of one-tenth bullet assembly by a wide margin, and product quality and security have the positive effect to the automation level and the production support ability that promote ammunition production.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

From the above description of the embodiments, it is clear to those skilled in the art that the present application can be implemented by software plus necessary general hardware platform. Based on such understanding, the technical solutions of the present application or portions thereof that contribute to the prior art may be embodied in the form of a software product, which may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, or the like, and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute the method according to the embodiments or some portions of the embodiments of the present application.

All the embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, the system or system embodiments are substantially similar to the method embodiments and therefore are described in a relatively simple manner, and reference may be made to some of the descriptions of the method embodiments for related points. The above-described system and system embodiments are only illustrative, wherein the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. A one-piece press fit assembly device, comprising:

the cam lock comprises a first mounting seat and a second mounting seat which are connected through a plurality of connecting columns, wherein a first cam is arranged above the first mounting seat, and a second cam is arranged below the second mounting seat; a first guide groove with an up-and-down fluctuation curve structure is arranged on the outer side surface of the first cam; a second guide groove with an up-and-down fluctuation curve structure is arranged on the outer side surface of the second cam;

2. An elastic press-fit assembly device according to claim 1, wherein a spring is arranged on the upper end face of the guide die, and the spring is axially overlapped with the guide die, the pressure rod and the support rod in the vertical direction.

3. The press-fit assembling apparatus according to claim 1, wherein the guide die includes a plurality of guide dies uniformly distributed in a circumferential direction of the guide die holder, the press rod includes a plurality of guide dies uniformly distributed in a circumferential direction of the first carriage in an amount equal to the guide die, and the support rod includes a plurality of guide dies uniformly distributed in a circumferential direction of the second carriage in an amount equal to the guide die.

4. The elastic press-fit assembly device according to claim 1, further comprising a frame assembly, wherein the connecting columns penetrate through the frame assembly so that two ends of each connecting column are respectively connected to the first mounting seat and the second mounting seat in a one-to-one correspondence manner.

5. A projectile-forming press-fit assembly device according to claim 4, further comprising a bullet feeding wheel, wherein the circumference of the bullet feeding wheel is tangent to the circumference of the first thumb wheel, the bullet feeding wheel is provided with a plurality of bullet containing notches, and the lower end surface of the bullet feeding wheel and the lower end surface of the first thumb wheel are in the same horizontal plane.

6. A projectile-forming press-fit assembly device according to claim 5, wherein said bullet-feed wheel is connected to said frame assembly by a bullet-wheel carriage.

7. A casing assembly apparatus according to claim 5, further comprising a casing feed wheel, the outer circumferential surface of the casing feed wheel being tangential to the outer circumferential surface of the second thumb wheel, the casing feed wheel being provided with casing receiving recesses, the upper end surface of the support bar, the lower end surface of the second thumb wheel and the lower end surface of the casing feed wheel being in the same horizontal plane when the support bar is at the lowest position.

8. A projectile assembly apparatus as claimed in claim 7, wherein the projectile feed wheel is connected to a second rotatable shaft, and the casing feed wheel is connected to a third rotatable shaft, the second rotatable shaft being adapted to rotate the projectile feed wheel, and the third rotatable shaft being adapted to rotate the casing feed wheel.

9. The spring-loaded press-fit assembly device according to claim 8, wherein the first rotating shaft, the second rotating shaft and the third rotating shaft pass through the frame assembly and the first mounting seat and extend to a position below the first mounting seat; the first rotating shaft, the second rotating shaft and the third rotating shaft are respectively in meshed connection with a power gear of a power assembly through gears, so that the first rotating shaft, the second rotating shaft and the third rotating shaft synchronously rotate at a fixed rotating speed ratio.

10. A resilient press-fit assembling device according to claim 1, wherein each of the first follower and the second follower includes a horizontally mounted roller.