阅读说明：本技术 一种360°旋转安装的磨料水切割钻石刀头 (Abrasive water cutting diamond tool bit capable of being rotatably installed by 360 degrees ) 是由 陈世伟 李枝城 于 2020-07-06 设计创作，主要内容包括：本发明涉及超高压水射流技术领域,具体是一种360°旋转安装的磨料水切割钻石刀头,包括螺环、螺套、刀头体、钻石喷嘴、进砂管套、进砂管、混砂体、基米螺丝、锁紧螺母、锁紧套和喷砂管。所述刀头体的上部台阶放置于螺环的内孔底部,所述螺套螺纹固定在螺环内部上端,刀头体和螺套相互旋转连接,所述钻石喷嘴镶嵌在刀头体的顶端。本发明在磨料流经的通道安装硬质合金材料零件,提高耐磨性,延长刀头的整体使用寿命；本发明采用钻石喷嘴与刀头体镶嵌式的结构,在出厂时就保证了两者的同轴精度,避免在使用安装时带来的精度问题,钻石喷嘴硬度和流量系数高,使用寿命和射流效果远超传统的宝石喷嘴。(The invention relates to the technical field of ultrahigh pressure water jet, in particular to an abrasive water cutting diamond cutter head rotatably mounted at 360 degrees. The upper step of the cutter head body is placed at the bottom of an inner hole of the spiral ring, the thread of the thread sleeve is fixed at the upper end inside the spiral ring, the cutter head body and the thread sleeve are mutually and rotatably connected, and the diamond nozzle is embedded at the top end of the cutter head body. According to the invention, the hard alloy material part is arranged in the channel through which the grinding material flows, so that the wear resistance is improved, and the integral service life of the cutter head is prolonged; the diamond nozzle and the cutter head body are embedded, so that the coaxial precision of the diamond nozzle and the cutter head body is ensured when the diamond nozzle and the cutter head body are delivered from a factory, the precision problem caused by use and installation is avoided, the diamond nozzle is high in hardness and flow coefficient, and the service life and the jet effect of the diamond nozzle are far superior to those of the traditional gem nozzle.)

1. The abrasive water cutting diamond tool bit rotationally mounted at 360 degrees comprises a spiral ring (1), a threaded sleeve (2), a tool bit body (3), a diamond nozzle (10), a sand inlet pipe sleeve (4), a sand inlet pipe (5), a sand mixing body (11), a basic rice screw (12), a locking nut (6), a locking sleeve (7) and a sand spraying pipe (8), and is characterized in that the upper step of the tool bit body (3) is placed at the bottom of an inner hole of the spiral ring (1), the threaded sleeve (2) is fixed at the upper end inside the spiral ring (1) in a threaded manner, the diamond nozzle (10) is embedded at the top end of the tool bit body (3), a diamond sheet (9) is installed in the middle of the upper end of the diamond nozzle (10), a high-pressure water inlet (14) penetrating through the diamond sheet (9) is formed in the middle of the diamond nozzle (10), the sand mixing body (11) is installed at the lower end of the diamond nozzle (10), and a sand mixing cavity (13) is arranged in, mix sand chamber (13) left side and be provided with the opening with advance sand pipe (5) intercommunication, the lower extreme that mixes sand chamber (13) is provided with the opening with sand blasting pipe (8) intercommunication, it installs inside advancing sand pipe box (4) to advance sand pipe (5), advance sand pipe box (4) and install at tool bit body (3) middle part through the screw thread, sand blasting pipe (8) are installed and are mixed sand body (11) lower extreme and are located tool bit body (3) axis, and the lower extreme of sand blasting pipe (8) is provided with high-pressure water sand and mixes export (15).

2. A 360 ° rotatably mounted abrasive water-cutting diamond bit according to claim 1, wherein the right side of the sand mixture body (11) is fixed in the bit body (3) by a screw (12).

3. The abrasive water-cutting diamond tool bit installed in a 360-degree rotation mode according to claim 1 or 2, wherein a gap is reserved between the upper end face of the tool bit body (3) and the lower end face of the screw sleeve (2), and the tool bit body (3) is rotatably connected with the screw sleeve (2).

4. A 360 ° rotatably mounted abrasive water-cut diamond bit according to claim 1, wherein the diamond nozzle (10) is interference fit with the bit body (3) and is located axially in the bit body (3).

5. A360 DEG rotatably mounted abrasive water cutting diamond bit according to claim 1 or 4, characterized in that the sand mixing body (11), the sand inlet pipe (5) and the sand blasting pipe (8) are all made of cemented carbide material.

6. A 360 ° rotatably mounted abrasive water cutting diamond bit as claimed in claim 1, wherein the sand blast pipe (8) is closely clearance fitted to the inner bore of the lower part of the bit body (3) and remains in the same central axis as the diamond nozzle (10).

7. A360 DEG rotatably mounted abrasive water-cutting diamond bit according to claim 1 or 6, characterized in that the lower part of the sand blasting tube (8) is fixed by a locking nut (6) connected to the bit body (3) and pressing the locking sleeve (7).

Technical Field

The invention relates to the technical field of ultrahigh pressure water jet, in particular to an abrasive water cutting diamond cutter head which is rotatably arranged at 360 degrees.

Background

The water cutting tool bit is an extremely important part of the ultrahigh-pressure water cutting equipment, converts the pressure energy of an aqueous medium into the kinetic energy of a water jet, and then mixes abrasive particles into the water jet to form an abrasive jet flow so as to cut an object in the form of high-speed jet flow.

In the past, the water cutting tool bit is provided with a jewel nozzle, which has short service life and needs to be replaced frequently. Even the diamond nozzle, the repeated installation precision is low, is difficult to guarantee with the requirement of the axiality of the sand blasting pipe of cutter head body below to reduce cutting efficiency, shorten sand blasting pipe life. And when using the installation, the direction of advancing the sand pipe is along with the rotatory randomness of tool bit locking screw towards one side, can not select the direction of advancing the sand rubber tube towards water cutting equipment, advances the sand rubber tube and can have the possibility that drops in the use, influences the cutting.

Disclosure of Invention

The present invention aims to provide an abrasive water-cut diamond segment mounted for 360 ° rotation to solve the problems set forth in the background above.

In order to achieve the purpose, the invention provides the following technical scheme:

a grinding material water cutting diamond cutter head rotatably mounted at 360 degrees comprises a spiral ring, a threaded sleeve, a cutter head body, a diamond nozzle, a sand inlet pipe sleeve, a sand inlet pipe, a sand mixing body, a basic meter screw, a locking nut, a locking sleeve and a sand blasting pipe. The upper portion step of cutter head body is placed in the hole bottom of spiro, swivel nut thread tightening is in the inside upper end of spiro, the diamond nozzle is inlayed on the top of cutter head body, installs the diamond piece in the middle of the upper end of diamond nozzle, and the high pressure water inlet that runs through the diamond piece is seted up to the centre of diamond nozzle, the lower extreme at the diamond nozzle is installed to the mulling body, be provided with the muddy sand chamber in the mulling body, mulling chamber left side be provided with advance the opening of sand pipe intercommunication, the lower extreme in mulling chamber be provided with the opening of sandblast pipe intercommunication, advance the sand pipe and install inside advancing the sand pipe box, advance the sand pipe box and pass through the screw thread and install at the cutter head body middle part, the sandblast pipe is installed at muddy sand body lower extreme and is located the cutter head body axis, and the lower extreme.

As a still further scheme of the invention: the right side of the sand mixing body is pressed and fixed in the cutter head body through a base meter screw.

As a still further scheme of the invention: a gap is reserved between the upper end face of the cutter head body and the lower end face of the screw sleeve, and the cutter head body is rotatably connected with the screw sleeve.

As a still further scheme of the invention: the diamond nozzle is in interference fit with the cutter head body and is positioned on the central axis of the cutter head body.

As a still further scheme of the invention: the sand mixing body, the sand inlet pipe and the sand blasting pipe are all made of hard alloy materials.

As a still further scheme of the invention: the sand blasting pipe is in precise clearance fit with an inner hole at the lower part of the cutter head body and keeps the same central axis with the diamond nozzle.

As a still further scheme of the invention: the lower part of the sand blasting pipe is connected with the cutter head body through a locking nut and is fixed by pressing a locking sleeve.

Compared with the prior art, the invention has the beneficial effects that: the spiral ring and the cutter head body are of a movable integrated structure, and the direction of the sand inlet pipe can be adjusted by 360 degrees when the spiral ring and the cutter head body are installed on water cutting equipment; according to the invention, the hard alloy material part is arranged in the channel through which the grinding material flows, so that the wear resistance is improved, and the integral service life of the cutter head is prolonged; the diamond nozzle and the cutter head body are embedded, so that the coaxial precision of the diamond nozzle and the cutter head body is ensured when the diamond nozzle and the cutter head body are delivered from a factory, the precision problem caused by use and installation is avoided, the diamond nozzle is high in hardness and flow coefficient, and the service life and the jet effect of the diamond nozzle are far superior to those of the traditional gem nozzle.

Drawings

Fig. 1 is a schematic structural diagram of the device.

1. A spiro ring; 2. a threaded sleeve; 3. a cutter head body; 4. sleeving a sand inlet pipe; 5. a sand inlet pipe; 6. locking the nut; 7. a locking sleeve; 8. a sand blasting pipe; 9. diamond chips; 10. a diamond nozzle; 11. mixing a sand body; 12. a screw of a basic meter; 13. a sand mixing cavity; 14. a high-pressure water inlet; 15. and a high-pressure water-sand mixing outlet.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

Referring to fig. 1, in the embodiment of the present invention, an abrasive water-cutting diamond tool bit rotatably mounted in 360 degrees includes a spiral ring 1, a thread insert 2, a tool bit body 3, a diamond nozzle 10, a sand inlet pipe sleeve 4, a sand inlet pipe 5, a sand mixing body 11, a screw 12, a lock nut 6, a lock sleeve 7, and a sand-blasting pipe 8, wherein an upper step of the tool bit body 3 is placed at the bottom of an inner hole of the spiral ring 1, the thread insert 2 is fixed at an upper end inside the spiral ring 1, a gap is left between an upper end surface of the tool bit body 3 and a lower end surface of the thread insert 2, the tool bit body 3 is rotatably connected with the thread insert 2, and when the abrasive water-cutting tool bit is mounted to a water-cutting device, a direction of the sand inlet pipe 5 can be adjusted. The utility model discloses a sand blasting machine, including diamond nozzle 10, sand blasting machine head body 3, diamond piece 9, high pressure water inlet 14 that runs through diamond piece 9 is seted up to the centre of diamond nozzle 10, mix the sand body 11 and install the lower extreme at diamond nozzle 10, be provided with in the sand body 11 and mix sand chamber 13, mix sand chamber 13 left side and be provided with the opening that feeds through with sand inlet pipe 5, the lower extreme in sand mixing chamber 13 is provided with the opening that feeds through with sand blasting pipe 8, sand inlet pipe 5 is installed inside sand inlet pipe cover 4, sand inlet pipe cover 4 passes through the screw thread and installs in the middle part of bit body 3, sand blasting pipe 8 is installed at mixed sand body 11 lower extreme and is located bit body 3 axis, sand blasting pipe 8's lower part is connected bit body 3 and is pressed to lock cover 7 and then fixed by lock nut 6. Thereby realize spacing and fixed to sand blasting pipe 8, the lower extreme of sand blasting pipe 8 is provided with high-pressure water sand and mixes export 15.

Mix the sand body 11 right side and compress tightly through base meter screw 12 and fix in tool bit body 3, diamond nozzle 10 and tool bit body 3 interference fit and lie in tool bit body 3 axis position, the cooperation size after the precision finishing has guaranteed the concentricity precision of diamond nozzle 10 with tool bit body 3, mix sand body 11, advance sand pipe 5 and sand blasting pipe 8 and be the carbide material, sand blasting pipe 8 and the accurate clearance fit of the hole of tool bit body 3 lower part and keep with the same axis of diamond nozzle 10.

The cutter head of the invention is connected to the water cutting equipment by the internal thread of the screw sleeve 2, and the sand inlet pipe sleeve 4 is externally connected with the sand. High-pressure water enters the diamond nozzle 10 from the high-pressure water inlet 14, flows through the sand mixing body 11, forms negative pressure in the sand mixing cavity 13 by utilizing high-speed flowing water jet to suck abrasive materials in the sand inlet pipe 5, accelerates abrasive particles by means of kinetic energy of the high-speed water jet, and finally forms abrasive water jet to be ejected from the high-pressure water-sand mixing outlet 15 of the sand blasting pipe 8 to form cutting on the materials.

The spiral ring 1 and the cutter head body 3 are of a movable integrated structure, and the direction of a sand inlet pipe can be adjusted by 360 degrees when the spiral ring is installed on water cutting equipment; according to the invention, the hard alloy material part is arranged in the channel through which the grinding material flows, so that the wear resistance is improved, and the integral service life of the cutter head is prolonged; the diamond nozzle 10 and the cutter head body 3 are embedded, so that the coaxial precision of the diamond nozzle and the cutter head body is ensured when the diamond nozzle is delivered from a factory, the precision problem caused by use and installation is avoided, the hardness and the flow coefficient of the diamond nozzle 10 are high, and the service life and the jet effect of the diamond nozzle are far superior to those of the traditional gem nozzle.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.