CN214640096U

CN214640096U - Multi-gear linkage rifling thread-removing structure

Info

Publication number: CN214640096U
Application number: CN202120477896.8U
Authority: CN
Inventors: 黄治航; 周怡文; 何鲁; 许韬; 许建民
Original assignee: Shenzhen Qianwan Technology Transfer Co ltd
Current assignee: Shenzhen Qianwan Technology Transfer Co ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2021-11-09
Anticipated expiration: 2031-03-05

Abstract

The utility model discloses a multi-gear linkage's rifling takes off helicitic texture, including the movable mould core, the bottom movable mounting of movable mould core has the screw core, the bottom movable mounting of screw core has the one-level bearing, the bottom movable mounting of one-level bearing has supplementary driven gear, the intermediate position fixed mounting of driving gear bottom has the snap ring, the bottom movable mounting of snap ring has tertiary bearing, the bottom fixedly connected with rifling screw rod of tertiary bearing, the avris fixed mounting of the outside upper end of rifling screw rod has the key, the bottom movable mounting of rifling screw rod has the rifling sleeve, the telescopic bottom movable mounting of rifling has the level four bearing. This thread structure is taken off to rifling of many gear linkages through adopting many gear linkage meshing structure with whole, utilizes the multiaxis to bear the structure of accepting in whole, can effectively promote whole work smoothness nature in the practical application use, and then has effectively promoted holistic result of use and working property.

Description

Multi-gear linkage rifling thread-removing structure

Technical Field

The utility model relates to a rifling takes off screw thread technical field, specifically is a multi-gear linkage's rifling takes off helicitic texture.

Background

The rifling can be said to be a soul of the gun barrel, the rifling is used for endowing the bullet with the capability of rotating, so that the bullet can still keep a given direction after being taken out of the bore, and the rifling thread-removing structure is an important auxiliary mechanism in a gun barrel forming die.

The prior rifling thread-removing structure for the mold mostly has self structural stability which is relatively common, and does not have good use effect and working performance, so that the whole work smoothness in the practical application use correspondingly receives the influence of a certain degree, and because of the limitation of the self structure, the whole body is difficult to satisfy various use requirements under different use conditions, the whole use function in the normal use work correspondingly receives the limitation of a larger degree, and the defect that the whole application range is narrow is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rifling of many gears linkage takes off helicitic texture to propose self structural stability in solving above-mentioned background comparatively general, not possess better result of use and working property, thereby lead to the narrower problem of whole application scope.

In order to achieve the above object, the utility model provides a following technical scheme: a multi-gear linked rifling thread-removing structure comprises a movable mold core, wherein a thread mold core is movably arranged at the bottom of the movable mold core, the bottom of the threaded core is movably provided with a primary bearing, the bottom of the primary bearing is movably provided with an auxiliary driven gear, the interior of the auxiliary driven gear is fixedly provided with a cooling core, the outer side of the auxiliary driven gear is movably provided with a driving gear, a secondary bearing is movably arranged at the middle position of the upper end outside the driving gear, a snap ring is fixedly arranged at the middle position of the bottom of the driving gear, the bottom of the snap ring is movably provided with a third-stage bearing, the bottom of the third-stage bearing is fixedly connected with a rifling screw rod, the improved rifling screw is characterized in that a key is fixedly mounted at the side position of the upper end outside the rifling screw, a rifling sleeve is movably mounted at the bottom of the rifling screw, and a four-stage bearing is movably mounted at the bottom of the rifling sleeve.

Preferably, the internal specification of the movable mold core and the external specification of the threaded mold core are matched with each other correspondingly, the movable mold core is integrally and movably sleeved outside the threaded mold core, and the two same specifications are symmetrically and movably mounted at the upper end and the lower end of the primary bearing outside the auxiliary driven gear.

Preferably, the internal specifications of the primary bearing and the auxiliary driven gear are matched with the external specification of the cooling core, and the auxiliary driven gear and the external whole body thereof are symmetrically and movably provided with two parts with the same specification at two sides of the external part of the driving gear and are meshed with the driving gear.

Preferably, the secondary bearing is in a detachable structure movably mounted between the driving gear and the secondary bearing at the middle position of the outer upper end of the driving gear, and the clamping ring is integrally in an annular structure and is fixedly connected between the driving gear and the tertiary bearing movably mounted at the middle position of the bottom of the driving gear.

Preferably, the internal specifications of the driving gear, the secondary bearing and the tertiary bearing are correspondingly matched with the external specification of the rifling screw rod, and the external specification of the rifling screw rod is correspondingly matched with the internal specification of the rifling sleeve movably arranged at the bottom of the rifling screw rod.

Compared with the prior art, the beneficial effects of the utility model are that: this thread structure is taken off to rifling of many gear linkages, the problem that combines prior art to exist carries out great degree optimization improvement to overall structure, through adopting many gear linkages meshing structure with whole, utilize the bearing structure of multiaxis in whole, can effectively promote whole work smoothness nature in the practical application use, and then effectively promoted holistic result of use and working property, and through structural improvement, make whole multiple user demand that can satisfy under the different situation, and then effectively richened whole service function in normal use work, thereby effectively enlarged holistic application scope on the basis that has promoted whole comprehensive usability.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the split structure of the present invention;

fig. 3 is a schematic diagram of the transverse cross-section structure of the present invention.

In the figure: 1. a movable mold core; 2. a threaded core; 3. a primary bearing; 4. an auxiliary driven gear; 5. cooling the mold core; 6. a driving gear; 7. a secondary bearing; 8. a snap ring; 9. a tertiary bearing; 10. a rifling screw; 11. a key; 12. a rifling sleeve; 13. four-stage bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a multi-gear linked rifling thread-removing structure comprises a movable mould core 1, a thread core 2, a primary bearing 3, an auxiliary driven gear 4, a cooling core 5, a driving gear 6, a secondary bearing 7, a clamping ring 8, a tertiary bearing 9, a rifling screw 10, a key 11, a rifling sleeve 12 and a quaternary bearing 13, wherein the thread core 2 is movably installed at the bottom of the movable mould core 1, the primary bearing 3 is movably installed at the bottom of the thread core 2, the auxiliary driven gear 4 is movably installed at the bottom of the primary bearing 3, the cooling core 5 is fixedly installed inside the auxiliary driven gear 4, the driving gear 6 is movably installed at the outer side of the auxiliary driven gear 4, the secondary bearing 7 is movably installed at the middle position of the outer upper end of the driving gear 6, the clamping ring 8 is fixedly installed at the middle position of the bottom of the driving gear 6, and the tertiary bearing 9 is movably installed at the bottom of the clamping ring 8, the bottom of the tertiary bearing 9 is fixedly connected with a rifling screw rod 10, a key 11 is fixedly arranged at the side position of the outer upper end of the rifling screw rod 10, a rifling sleeve 12 is movably arranged at the bottom of the rifling screw rod 10, and a quaternary bearing 13 is movably arranged at the bottom of the rifling sleeve 12;

furthermore, the internal specification of the movable mold core 1 is matched with the external specification of the threaded mold core 2 correspondingly, the movable mold core 1 is integrally and movably sleeved outside the threaded mold core 2, two bearings with the same specification are symmetrically and movably arranged at the upper end and the lower end of the outside of the auxiliary driven gear 4 through the first-stage bearing 3, and the reasonable stability of the whole structure in the practical application and use work is ensured to a greater extent;

furthermore, the internal specifications of the primary bearing 3 and the auxiliary driven gear 4 are matched with the external specification of the cooling core 5 correspondingly, two auxiliary driven gears 4 and the external whole of the auxiliary driven gears 4 are symmetrically and movably arranged on two sides of the external part of the driving gear 6, and are meshed with the driving gear 6, so that the transmission and rotation operation of the auxiliary driven gears 4 can be realized through the meshed connection relationship between the auxiliary driven gears and the driving gear 6, and the use effect and the working performance of the whole are effectively improved;

furthermore, the secondary bearing 7 is in a detachable structure movably mounted between the middle position of the upper end outside the driving gear 6 and the secondary bearing, the clamping ring 8 is in an annular structure integrally and is fixedly connected between the driving gear 6 and the tertiary bearing 9 movably mounted at the middle position of the bottom of the driving gear, so that various use requirements under different use conditions can be met, and the use functionality of the whole in normal use is effectively enriched;

furthermore, the internal specifications of the driving gear 6, the secondary bearing 7 and the tertiary bearing 9 are matched with the external specification of the rifling screw 10 correspondingly, and the external specification of the rifling screw 10 is matched with the internal specification of the rifling sleeve 12 movably mounted at the bottom of the rifling screw correspondingly, so that the application range of the whole body is expanded on the basis of effectively improving the comprehensive use performance of the whole body.

The working principle is as follows: firstly, the whole rifling thread-removing structure is stably assembled at the upper end of a mould through a four-stage bearing 13, the mould is ejected out to enable a rifling sleeve 12 to move upwards to enable a rifling screw rod 10 under the action of rifling, the driving gear 6 is driven to rotate through the structural characteristics of the rifling screw rod 10 and the connection relation between the driving gear 6, the driving gear 6 drives an auxiliary driven gear 4 and the whole external upper end of the auxiliary driven gear to rotate by utilizing the meshing connection relation between the external structure and two auxiliary driven gears 4 on the two sides of the external side, and further stable and continuous rifling thread-removing operation can be realized, various use requirements under different use conditions can be met, the use functionality of the whole body in normal use work is effectively enriched, and the application range of the whole body is effectively expanded on the basis of improving the comprehensive use performance of the whole body.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a thread structure is taken off to rifling of many gear linkages, includes movable mould core, its characterized in that: the bottom movable mounting of movable mould core has the screw core, the bottom movable mounting of screw core has the one-level bearing, the bottom movable mounting of one-level bearing has supplementary driven gear, supplementary driven gear's inside fixed mounting has the cooling core, supplementary driven gear's outside avris movable mounting has the driving gear, the intermediate position movable mounting of the outside upper end of driving gear has the second grade bearing, the intermediate position fixed mounting of driving gear bottom has the snap ring, the bottom movable mounting of snap ring has tertiary bearing, the bottom fixedly connected with rifling screw rod of tertiary bearing, the avris position fixed mounting of the outside upper end of rifling screw rod has the key, the bottom movable mounting of rifling screw rod has the rifling sleeve, the bottom movable mounting of rifling sleeve has level four bearing.

2. The multi-gear linkage rifling thread removing structure according to claim 1, characterized in that: the internal specification of the movable mold core and the external specification of the thread mold core are matched with each other correspondingly, the movable mold core is integrally and movably sleeved outside the thread mold core, and the two same specifications are symmetrically and movably mounted at the upper end and the lower end of the primary bearing outside the auxiliary driven gear.

3. The multi-gear linkage rifling thread removing structure according to claim 1, characterized in that: the internal specifications of the first-stage bearing and the auxiliary driven gear are matched with the external specification of the cooling core, and the auxiliary driven gear and the external whole of the auxiliary driven gear are symmetrically and movably provided with two parts with the same specification at two sides of the external part of the driving gear and are meshed with the driving gear.

4. The multi-gear linkage rifling thread removing structure according to claim 1, characterized in that: the secondary bearing is in a detachable structure movably mounted between the driving gear and the secondary bearing at the middle position of the upper end outside the driving gear, and the clamping ring is integrally in an annular structure and is fixedly connected between the driving gear and the tertiary bearing movably mounted at the middle position of the bottom of the driving gear.

5. The multi-gear linkage rifling thread removing structure according to claim 1, characterized in that: the internal specifications of the driving gear, the secondary bearing and the tertiary bearing are matched with the external specification of the rifling screw rod correspondingly, and the external specification of the rifling screw rod is matched with the internal specification of the rifling sleeve movably arranged at the bottom of the rifling screw rod correspondingly.