阅读说明：本技术 一种引信螺纹检测装置 (Fuse thread detection device ) 是由 刘军 于 2019-10-24 设计创作，主要内容包括：本发明公开了一种引信螺纹检测装置,包括弹体定位工装、浮动引信杆、驱动机构、传动套筒、箱体和进给组件；弹体定位工装定位夹持弹体；驱动机构和传动套筒均设置在箱体中；驱动机构驱动传动套筒周向转动；浮动引信杆轴向滑动设置在传动套筒中,并且周向与传动套筒相对固定；浮动引信杆的前端上设有外螺纹引信头；浮动引信杆在进给组件的驱动下轴向移动,使外螺纹引信头与弹体尾部的引信端口相配合。本发明的弹体定位工装对弹体进行定位,进给组件推动浮动引信杆移动,使外螺纹引信头与弹体的引信端口螺合,实现自动化弹体引信螺纹检测工作,当螺纹孔内有杂质出现卡扣时,通过外螺纹引信头导通引信端口的螺纹,代替人工预拧检测,提高检测精确度。(The invention discloses a fuse thread detection device which comprises a bullet body positioning tool, a floating fuse rod, a driving mechanism, a transmission sleeve, a box body and a feeding assembly, wherein the floating fuse rod is arranged on the box body; the projectile body positioning tool positions and clamps the projectile body; the driving mechanism and the transmission sleeve are both arranged in the box body; the driving mechanism drives the transmission sleeve to rotate circumferentially; the floating fuse rod is axially and slidably arranged in the transmission sleeve and is circumferentially fixed relative to the transmission sleeve; the front end of the floating fuse rod is provided with an external thread fuse head; the floating fuse rod moves axially under the driving of the feeding assembly, so that the external thread fuse head is matched with a fuse port at the tail of the projectile body. The projectile body positioning tool positions a projectile body, the feeding assembly pushes the floating fuse rod to move, the external thread fuse head is screwed with the fuse port of the projectile body, automatic projectile body fuse thread detection work is achieved, when impurities in the threaded hole are buckled, threads of the fuse port are conducted through the external thread fuse head, manual pre-screwing detection is replaced, and detection accuracy is improved.)

1. A fuze thread detection device is characterized in that: the device comprises a projectile body positioning tool (1), a floating fuse rod (2), a driving mechanism (3), a transmission sleeve (4), a box body (5) and a feeding assembly (6); the projectile body positioning tool (1) is used for positioning and clamping a projectile body; the driving mechanism (3) and the transmission sleeve (4) are both arranged in the box body (5); the driving mechanism (3) drives the transmission sleeve (4) to rotate circumferentially; the floating fuse rod (2) is axially arranged in the transmission sleeve (4) in a sliding manner, and is circumferentially fixed relative to the transmission sleeve (4); the front end of the floating fuse rod (2) is provided with an external thread fuse head (2-1); the floating fuse rod (2) moves axially under the driving of the feeding assembly (6) to enable the externally threaded fuse head (2-1) to be matched with a fuse port at the tail of the projectile body.

2. The fuze thread detection device of claim 1, wherein: the front end of the floating fuse rod (2) is connected with the external thread fuse head (2-1) in a floating mode.

3. The fuze thread detection device of claim 1, wherein: a first floating sealing ring (2-2) and a second floating sealing ring (2-3) are arranged at the front end of the peripheral surface of the floating fuse rod (2); a limiting gap is formed between the first floating sealing ring (2-2) and the second floating sealing ring (2-3); the end part of the floating fuse rod (2) extends into the tail part of the externally threaded fuse head (2-1); a first positioning table (2-1-1) extending into the limiting gap is arranged on the inner wall of the external thread fuse head (2-1); and a pressing plate (2-6) which is propped against the first floating sealing ring (2-2) is arranged on the front end face of the floating fuse rod (2).

4. The fuze thread detection device of claim 3, wherein: a second positioning table (2-4) positioned in the limiting gap is arranged on the circumferential surface of the end part of the floating fuse rod (2); the outer diameter of the second positioning table (2-4) is not larger than the outer diameters of the first floating sealing ring (2-2) and the second floating sealing ring (2-3).

5. The fuze thread detection device of any one of claims 1, 2, 3, or 4, wherein: the outer wall of the floating fuse rod (2) is sleeved with a sliding sleeve (2-5); the sliding sleeve (2-5) is axially and slidably connected with the outer wall of the floating fuse rod (2) and is circumferentially and relatively fixed; the sliding sleeves (2-5) are axially and slidably connected with the transmission sleeve (4) and are circumferentially and relatively fixed; a supporting spring (2-5-1) which supports the front end of the floating fuse rod (2) and keeps extending out of the sliding sleeve (2-5) is arranged in the inner cavity of the sliding sleeve (2-5); the sliding sleeve (2-5) is connected with the driving end of the feeding assembly (6).

6. The fuze thread detection device of claim 5, wherein: the feeding assembly (6) comprises a feeding cylinder (6-1), a coupling (6-2), a rotating head (6-3) and a cylinder bracket (6-4); the rotating head (6-3) is arranged in the rear end of the sliding sleeve (2-5) of the floating fuse rod (2) through a bearing; the coupling (6-2) is connected with the rotating head (6-3) and a driving shaft of the feeding cylinder (6-1); the feeding cylinder (6-1) is arranged on the cylinder bracket (6-4).

7. The fuze thread detection device of claim 1, wherein: the driving mechanism (3) comprises a driving motor (3-1), a driving roller (3-2) and a driving gear (3-3); the driving roller (3-2) is rotatably arranged in the box body (5); the driving gear (3-3) is arranged on the driving roller (3-2); the circumferential surface of the transmission sleeve (4) is provided with a transmission gear (4-1) meshed with the driving gear (3-3); the driving motor (3-1) is in transmission fit with the driving roller (3-2).

8. The fuze thread detection device of claim 7, wherein: the driving mechanism (3) further comprises a torque limiter (3-4); the torque limiter (3-4) is arranged on the side wall of the box body (5), and the input end and the output end of the torque limiter (3-4) are respectively connected with the output shaft of the driving motor (3-1) and the driving roller (3-2).

9. The fuze thread detection device of claim 1, wherein: the projectile body positioning tool (1) comprises a lower supporting block (1-1), an upper clamping block (1-2) and a clamping cylinder (1-3); at least one lower supporting block (1-1) is arranged; the clamping cylinder (1-3) is arranged on one side of the lower supporting block (1-1); one side of the upper clamping block (1-2) is connected with a driving shaft of the clamping cylinder (1-3), and is matched with the lower supporting block (1-1) to clamp the elastomer placed on the lower supporting block (1-1) under the driving of the clamping cylinder (1-3).

10. The fuze thread detection device of claim 9, wherein: the projectile body positioning tool (1) further comprises an end positioning block (1-4); the end positioning block (1-4) is arranged at the front end of the lower supporting block (1-1), and the rear end face of the end positioning block (1-4) is matched with the front end of the projectile body.

Technical Field

The invention relates to the field of military projectile body internal thread detection, in particular to a fuse thread detection device.

Background

The detonator is an important component of ammunition, in shell or guided missile production process, need the manual work to detect the screw thread in the detonator port of projectile afterbody, it is unobstructed to detect the screw thread, the screw thread that will have impurity or burr simultaneously is artifical to switch on through external screw thread fuse head, avoid influencing the installation of detonator, improve product quality, but the operating efficiency who artifical detected is not high, the dynamics of twisting thread is uncontrollable, detection error appears easily, and because the projectile is explosive, the artifical danger coefficient that operates is high.

Disclosure of Invention

The invention aims to provide a fuse thread detection device capable of automatically detecting.

The technical scheme for realizing the purpose of the invention is as follows: a fuse thread detection device comprises a bullet positioning tool, a floating fuse rod, a driving mechanism, a transmission sleeve, a box body and a feeding assembly; the projectile body positioning tool positions and clamps the projectile body; the driving mechanism and the transmission sleeve are both arranged in the box body; the driving mechanism drives the transmission sleeve to rotate circumferentially; the floating fuse rod is axially and slidably arranged in the transmission sleeve and is circumferentially fixed relative to the transmission sleeve; the front end of the floating fuse rod is provided with an external thread fuse head; the floating fuse rod moves axially under the driving of the feeding assembly, so that the external thread fuse head is matched with a fuse port at the tail of the projectile body.

The front end of the floating fuse rod is connected with the external thread fuse head in a floating mode.

A first floating sealing ring and a second floating sealing ring are arranged at the front end of the peripheral surface of the floating fuse rod; a limiting gap is formed between the first floating sealing ring and the second floating sealing ring; the end part of the floating fuse rod extends into the head and the tail part of the external thread fuse; a first positioning table extending into the limiting gap is arranged on the inner wall of the external thread fuse head; and a pressing plate for propping against the first floating sealing ring is arranged on the front end face of the floating fuse rod.

The peripheral surface of the end part of the floating fuse rod is provided with a second positioning platform positioned in the limiting gap; the outer diameter of the second positioning table is not larger than the outer diameters of the first floating sealing ring and the second floating sealing ring.

The outer wall of the floating fuse rod is sleeved with a sliding sleeve; the sliding sleeve is axially and slidably connected with the outer wall of the floating fuse rod, and is circumferentially and relatively fixed; the sliding sleeve is axially and slidably connected with the transmission sleeve and is circumferentially and relatively fixed; a supporting spring for supporting the front end of the floating fuse rod to extend out of the sliding sleeve is arranged in the inner cavity of the sliding sleeve; the sliding sleeve is connected with the driving end of the feeding assembly.

The feeding assembly comprises a feeding air cylinder, a coupling, a rotating head and an air cylinder bracket; the rotating head is arranged in the rear end of the sliding sleeve of the floating fuse rod through a bearing; the coupling is connected with the rotating head and a driving shaft of the feeding cylinder; the feeding cylinder is installed on the cylinder support.

The driving mechanism comprises a driving motor, a driving roller and a driving gear; the driving roller is rotatably arranged in the box body; the driving gear is arranged on the driving roller; the peripheral surface of the transmission sleeve is provided with a transmission gear meshed with the driving gear; the driving motor is in transmission fit with the driving roller.

The drive mechanism further comprises a torque limiter; the torque limiter is arranged on the side wall of the box body, and the input end and the output end of the torque limiter are respectively connected with the output shaft of the driving motor and the driving roller.

The projectile body positioning tool comprises a lower supporting block, an upper clamping block and a clamping cylinder; at least one lower support block is arranged; the clamping cylinder is arranged on one side of the lower supporting block; one side of the upper clamping block is connected with a driving shaft of the clamping cylinder, and the upper clamping block and the lower supporting block are matched to clamp the elastomer placed on the lower supporting block under the driving of the clamping cylinder.

The projectile body positioning tool further comprises an end positioning block; the end positioning block is arranged at the front end of the lower supporting block, and the rear end face of the end positioning block is matched with the front end of the projectile body.

By adopting the technical scheme, the invention has the following beneficial effects: (1) the projectile body positioning tool positions a projectile body, the feeding assembly pushes the floating fuse rod to move, the external thread fuse head is screwed with a fuse port of the projectile body, automatic projectile body fuse thread detection work is achieved, when impurities in a threaded hole are buckled, the driving mechanism increases torque output, threads of the fuse port are conducted through the external thread fuse head, manual pre-screwing detection is replaced, detection accuracy is improved, labor intensity is relieved, production qualification rate is improved, production efficiency is improved, and manual operation of dangerous processes is avoided.

(2) The front end of the floating fuse rod is in floating connection with the external thread fuse head, so that the external thread fuse head is conveniently aligned with the fuse port of the projectile body, and the fuse port is prevented from being damaged by rigid contact.

(3) The front end of the peripheral surface of the floating fuse rod is provided with a first floating sealing ring and a second floating sealing ring, and a limit gap is formed between the first floating sealing ring and the second floating sealing ring; the end of the floating fuse rod extends into the tail of the external thread fuse head, a first positioning table extending into a limiting gap is arranged on the inner wall of the external thread fuse head, a pressing plate abutting against a first floating sealing ring is arranged on the front end face of the floating fuse rod, floating arrangement of the external thread fuse head is achieved through arrangement of the first floating sealing ring and a second floating sealing ring, the structure is very stable, elastic support is conducted on the external thread fuse head through the first floating sealing ring and the second floating sealing ring when the external thread fuse head swings under the action of external force, and the situation that the swing angle of the external thread fuse head is too large is avoided.

(4) The peripheral surface of the end part of the floating fuse rod is provided with a second positioning table positioned in the limiting gap, and the outer diameter of the second positioning table is not larger than the outer diameters of the first floating sealing ring and the second floating sealing ring, so that the stability of the external thread fuse head is further enhanced.

(5) The outer wall of the floating fuse rod is sleeved with a sliding sleeve, the sliding sleeve is axially and slidably connected with the outer wall of the floating fuse rod and is circumferentially and relatively fixed, the sliding sleeve is axially and slidably connected with a transmission sleeve and is circumferentially and relatively fixed, a supporting spring for supporting the front end of the floating fuse rod to keep extending out of the sliding sleeve is arranged in an inner cavity of the sliding sleeve, the sliding sleeve is connected with a driving end of a feeding assembly, forward thrust is applied to the floating fuse rod through the driving spring, so that an external thread fuse head of the floating fuse rod can be tightly combined with a fuse port of a projectile body, radial runout can be compensated in a flexible state, and axial floating is realized.

(6) The driving mechanism further comprises a torque limiter, the torque limiter is arranged on the side wall of the box body, the input end and the output end of the torque limiter are respectively connected with the output shaft of the driving motor and the driving roller, the torque limiter limits the output torque of the driving motor, and safety is greatly improved.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which

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

FIG. 2 is a schematic structural view of the projectile positioning tool of the present invention;

FIG. 3 is a schematic structural view of the drive mechanism, drive sleeve, feed assembly and housing of the present invention;

FIG. 4 is a cross-sectional view of the drive mechanism, drive sleeve, feed assembly and housing of the present invention;

fig. 5 is a cross-sectional view of the floating fuse rod of the present invention.

The reference numbers are:

the device comprises a projectile body positioning tool 1, a lower supporting block 1-1, an upper clamping block 1-2, a clamping cylinder 1-3, an end positioning block 1-4 and a bottom plate 1-5;

the device comprises a floating fuse rod 2, an external thread fuse head 2-1, a first positioning table 2-1-1, a first floating sealing ring 2-2, a second floating sealing ring 2-3, a second positioning table 2-4, a sliding sleeve 2-5, a supporting spring 2-5-1 and a pressing plate 2-6;

the device comprises a driving mechanism 3, a driving motor 3-1, a driving roller 3-2, a driving gear 3-3 and a torque limiter 3-4;

a transmission sleeve 4 and a transmission gear 4-1;

a box body 5;

the device comprises a feeding assembly 6, a feeding cylinder 6-1, a coupling 6-2, a rotating head 6-3 and a cylinder bracket 6-4.

Detailed Description