CN216608642U - Water cutting tool bit - Google Patents
Water cutting tool bit Download PDFInfo
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- CN216608642U CN216608642U CN202121158955.1U CN202121158955U CN216608642U CN 216608642 U CN216608642 U CN 216608642U CN 202121158955 U CN202121158955 U CN 202121158955U CN 216608642 U CN216608642 U CN 216608642U
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Abstract
The utility model relates to the technical field of water cutting tool bits, and discloses a water cutting tool bit, which comprises: the spray head component is provided with a water through hole; the water inlet piece is fixedly arranged on one side of the spray head assembly and can be communicated with the water through hole; the sand mixing piece is fixedly arranged in the spray head assembly, a water inlet hole, a sand mixing hole and a sand mixing chamber are formed in the sand mixing piece, and the sand mixing piece and the spray head assembly form a sand cavity communicated with the sand mixing hole; the sand inlet piece is fixedly arranged on one side of the spray head assembly, a sand outlet is defined on the sand inlet piece, and an outlet of the sand inlet is deviated from the sand mulling hole; and the sand water spray pipe is abutted against the sand mulling piece. According to the water cutting cutter head disclosed by the utility model, the sand entering the sand mixing chamber through the sand mixing hole firstly impacts on the outer wall of the sand mixing part, the flow speed is reduced, then the sand is pushed into the sand mixing hole by the subsequently incoming sand, and the sand in the sand mixing hole is sucked into the sand cavity, so that the influence of the sand on a water column is reduced, the service life of the sand water spray pipe is prolonged, and the cutting efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of water cutting tool bits, in particular to a water cutting tool bit.
Background
As shown in fig. 1, the outlet of the sand inlet 100 of the conventional water cutting head is directly communicated with the water inlet 2001 of the sand mixer 200, and the sand inlet 100 and the water inlet 2001 are arranged at a certain included angle and the sand mixed with the high-pressure water column in the water inlet 2001 has a certain relative speed, so that the flow direction of the sand-water mixture formed by mixing the sand and the high-pressure water has a certain deviation, and not only can certain impact be generated on the sand mixer 200, but also certain impact can be generated on the sand-water nozzle 300, thereby reducing the service lives of the sand mixer 200 and the sand-water nozzle 300.
If the sand-water mixture slightly deflects, the sand-water mixture can smoothly pass through the injection hole 3001 of the sand-water spray pipe 300, but the sand-water mixture can cause linear impact on the inner wall of the sand-water spray pipe 300, the outlet of the injection hole 3001 is oval, so that the service life of the sand-water spray pipe 300 is shortened, and the cutting efficiency is reduced; if the sand-water mixture is moderately inclined, the sand-water mixture cannot smoothly pass through the injection hole 3001 of the sand-water spray pipe 300, the sand-water mixture directly impacts the inner wall of the sand-water spray pipe 300 at the lower half part, the outlet of the injection hole 3001 is in a sharp mouth shape, the service life of the sand-water spray pipe 300 is seriously shortened, and the cutting efficiency is extremely poor; if the sand-water mixture is seriously inclined, the sand-water mixture directly impacts the inner wall of the sand-water nozzle 300 of the upper half and causes mirror reflection, the outlet of the injection hole 3001 is almost intact, but the inner wall of the sand-water nozzle 300 is almost sunk and cannot be cut at all.
SUMMERY OF THE UTILITY MODEL
Based on the above, the utility model aims to provide a water cutting tool bit, which solves the problems that the cutting efficiency is reduced and the service life of a sand water pipe is shortened due to the deviation of a sand water mixture of the conventional water cutting tool bit.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a water cutting head comprising: the spray head component is provided with a water through hole; the water inlet piece is fixedly arranged on one side of the spray head assembly and can be communicated with the water through hole; the sand mixing piece is fixedly arranged in the spray head assembly, a water inlet hole, a sand mixing hole and a sand mixing chamber communicated with the water inlet hole and the sand mixing hole are formed in the sand mixing piece, and a sand cavity communicated with the sand mixing hole is formed by the sand mixing piece and the spray head assembly; the sand inlet piece is fixedly arranged on one side of the spray head assembly, a sand inlet hole communicated with the sand cavity is defined in the sand inlet piece, and an outlet of the sand inlet hole is arranged in a mode of deviating from the sand mixing hole; the sand water spray pipe is abutted to the sand mixing piece, and a spray hole is formed in the sand water spray pipe and communicated with the sand mixing chamber.
As a preferred scheme of the water cutting tool bit, the sand mixing hole is an inclined hole, the inclined hole inclines towards the direction close to the sand water spray pipe, the central axis of the inclined hole is intersected with the central axis of the water inlet hole, and the included angle formed by the central axis of the inclined hole and the central axis of the water inlet hole is between 0 degree and 90 degrees.
In a preferred embodiment of the water cutter head, the sand mixer and the sand and water nozzle have the same outer diameter at the end abutting against each other.
As a preferred scheme of the water cutting tool bit, a transition hole is formed in the sand-water spray pipe and is communicated with the sand mixing chamber and the spray hole.
As a preferred scheme of a water cutting tool bit, the sand mixing chamber comprises a horn hole and a columnar hole which are communicated, and high-pressure water flowing out of the water inlet hole sequentially passes through the small end of the horn hole and the large end of the horn hole and enters the columnar hole.
As a preferable aspect of the water cutting head, the transition hole is a tapered hole, and a diameter of a large end of the tapered hole is larger than a diameter of the cylindrical hole.
As a preferable mode of the water cutting tool bit, the sand mulling part and the spray head assembly are communicated through a communication hole on a connecting block, and the diameter of the outlet end of the communication hole is smaller than that of the inlet end of the communication hole.
As a preferable scheme of the water cutting tool bit, the nozzle assembly comprises a nozzle body and a clamping pipe fixed on the nozzle body, the lower end of the clamping pipe extends out of the nozzle body, and the clamping pipe and the sand mixing piece form the sand cavity.
As a preferred scheme of the water cutting tool bit, a sand prevention cover is fixedly arranged on the sand-water spray pipe, and an opening of the sand prevention cover faces an outlet of the sand-water spray pipe.
As a preferred scheme of a water cutting tool bit, water cutting tool bit still includes the water valve subassembly of setting on the shower nozzle subassembly, the water valve subassembly includes: the air cylinder seat is fixedly arranged on the spray head assembly; the cylinder is fixedly arranged on the cylinder seat; the valve cover is arranged on the spray head assembly, and is provided with a switch hole which is respectively communicated with the water inlet part and the water inlet hole; the valve core is fixedly arranged at the movable end of the air cylinder and can be attached to the switch hole, and the movable end of the air cylinder can drive the valve core to move in the switch hole so as to enable the water inlet piece and the water inlet hole to be communicated or disconnected through the switch hole.
The utility model has the beneficial effects that: the outlet of the sand inlet of the water cutting tool bit disclosed by the utility model is deviated from the sand mixing hole, sand entering the sand mixing chamber through the sand mixing hole firstly impacts on the outer wall of the sand mixing part, the flow speed is reduced, the sand is pushed into the sand mixing hole by the subsequently incoming sand, the sand in the sand mixing hole is sucked into the sand cavity, the sand is mixed with the water column to form a sand-water mixture, the influence of the sand on the water column is reduced, the sand-water mixture can smoothly pass through the jet hole of the sand-water jet pipe, the sand-water mixture cannot impact the inner wall of the sand-water jet pipe, the outlet of the jet hole is circular, the service life of the sand-water jet pipe is prolonged, and the cutting efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings may be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a sectional view of a prior art water cutting head;
fig. 2 is a sectional view of a water cutting head according to an embodiment of the present invention in one direction;
FIG. 3 is a cross-sectional view of a water cutting head provided in accordance with an embodiment of the present invention in another orientation;
fig. 4 is a partial enlarged view of fig. 3 at a.
In FIG. 1:
100. a sand inlet part; 200. mixing sand; 2001. a water inlet hole; 300. a sand-water spray pipe; 3001. and ejecting the hole.
In fig. 2-4:
1. a showerhead assembly; 101. a water through hole; 102. a sand cavity; 11. a spray head body; 12. clamping the pipe;
2. a water valve assembly; 21. a cylinder block; 22. a cylinder; 23. a valve cover; 24. a valve core;
3. mixing sand; 301. a water inlet hole; 302. mixing sand holes; 303. a sand mixing chamber; 3031. a horn hole; 3032. a columnar hole;
4. A sand inlet part; 40. a sand inlet;
5. a sand-water spray pipe; 501. an injection hole; 502. a transition hole;
6. connecting blocks; 60. a communicating hole;
71. a first fastener; 72. a second fastener.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and 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 invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present embodiment provides a water cutting head, as shown in fig. 2 to 4, comprising a nozzle assembly 1, a water inlet member (not shown), a sand mixing member 3, advance sand part 4 and sand water spray pipe 5, be equipped with limbers 101 on the shower nozzle subassembly 1, the fixed setting of water part is in one side of shower nozzle subassembly 1 and can communicate with limbers 101, sand mixing part 3 is fixed to be set up in shower nozzle subassembly 1, be equipped with inlet opening 301 on sand mixing part 3, sand mixing hole 302 and the mulling room 303 that communicates with inlet opening 301 and sand mixing hole 302, sand mixing part 3 forms the sand chamber 102 with shower nozzle subassembly 1 and communicates with sand mixing hole 302, it sets up in one side of shower nozzle subassembly 1 to advance sand part 4 fixedly, advance sand part 4 upper limit and establish the sand inlet 40 with sand chamber 102 intercommunication, the skew sand mixing hole 302 setting of export of sand inlet 40, sand water spray pipe 5 and sand mixing part 3 butt, be equipped with jet orifice 501 in the sand water spray pipe 5, jet orifice 501 communicates with mulling room 303.
Because the outlet of the sand inlet 40 of the water cutting tool bit provided by the embodiment is deviated from the sand mixing hole 302, sand entering the sand mixing chamber 303 through the sand mixing hole 302 firstly impacts on the outer wall of the sand mixing part 3, the flow speed is reduced, and then the sand subsequently entering is pushed into the sand mixing hole 302, the sand in the sand mixing hole 302 is sucked into the sand cavity 102, and then the sand and the water column are mixed to form a sand-water mixture, so that the influence of the sand on the water column is reduced, the sand-water mixture can smoothly pass through the jet hole 501 of the sand-water jet pipe 5, the sand-water mixture cannot impact the inner wall of the sand-water jet pipe 5, the outlet of the jet hole 501 is circular, the service life of the sand-water jet pipe 5 is prolonged, and the cutting efficiency is improved.
Specifically, as shown in fig. 3 and 4, the sand mulling hole 302 of the present embodiment is an inclined hole, the inclined hole is inclined toward a direction close to the sand-water nozzle 5, the central axis of the inclined hole intersects with the central axis of the water inlet hole 301, and the included angle formed by the central axis of the inclined hole and the central axis of the water inlet hole is between 0 ° and 90 °. Since the sand in the sand mixing holes 302 is sucked into the sand mixing chamber 303, the speed of the sand entering the sand mixing chamber 303 is low, and the impact force on the water column is small, and generally, the larger the included angle between the central axes of the inclined holes and the central axis of the water inlet hole 301 is, the smaller the component force of the impact force on the water column by the sand on the cross section of the sand mixing part 3 is, and the probability of the sand-water mixture deflection is further reduced.
As shown in fig. 2 to 4, the outer diameters of the ends of the sand kneading member 3 and the sand water nozzles 5 of the present embodiment which abut against each other are equal. Specifically, the nozzle assembly 1 is provided with the mounting hole, and since the diameters of the sand mixing part 3 and the sand water spray pipe 5 are equal, the mounting hole is set to be a hole with the same cross section area and the same cross section area, and compared with the existing mounting hole with a step surface, the mounting hole of the nozzle assembly 1 of the embodiment is more convenient to process. Because the sand-water mixture hardly impacts the sand mullion 3, therefore, there is no need to prolong the life of the sand mullion 3 by increasing the diameter of the sand mullion 3, the diameter of the sand mullion 3 is smaller than that of the sand mullion 3 in the prior art, and the miniaturization design of the water cutting tool bit is facilitated.
As shown in fig. 2 and 4, the sand-water nozzle 5 of this embodiment is provided with a transition hole 502, the transition hole 502 communicates the sand mixing chamber 303 and the injection hole 501, and the transition hole 502 is used for injecting the sand-water mixture in the sand mixing chamber 303 into the injection hole 501. The sand mixing chamber 303 comprises a horn hole 3031 and a cylindrical hole 3032 which are communicated, and high-pressure water flowing out of the water inlet hole 301 sequentially passes through the small end of the horn hole 3031 and the large end of the horn hole 3031 and then enters the cylindrical hole 3032. Because the cross-sectional area of the mulling chamber 303 is larger than that of the water inlet hole 301, negative pressure is formed in the mulling chamber 303 to adsorb sand in the mulling hole 302, and the sand is mixed with the water column to form a sand-water mixture.
Further, as shown in fig. 2 and 4, the transition hole 502 is a tapered hole having a larger diameter at the large end than the cylindrical hole 3032. Because the sand mixing piece 3 is abutted with the sand water spray pipe 5, the diameter of the large end of the conical hole is larger than that of the cylindrical hole 3032, and the sand water mixture sprayed out from the cylindrical hole 3032 can completely enter the spray hole 501 through the transition hole 502 and is finally used for cutting a workpiece.
As shown in fig. 2 and 3, the sand mixing member 3 and the head assembly 1 of the present embodiment communicate through the communication hole 60 of the connection block 6, and the diameter of the outlet end of the communication hole 60 is smaller than the diameter of the inlet end of the communication hole 60. The pressure of the water column at the inlet of the communication hole 60 is lower than the pressure of the water column at the outlet of the communication hole 60 in the flow direction of the high pressure water, so that the high pressure water smoothly enters the sand mulling part 3 through the connection block 6.
As shown in fig. 2 and fig. 3, the nozzle assembly 1 of the present embodiment includes a nozzle body 11 and a clamping tube 12 fixed on the nozzle body 11, a lower end of the clamping tube 12 extends out of the nozzle body 11, the clamping tube 12 and the sand mixing element 3 form the sand chamber 102, and the sand chamber 102 is communicated with the sand inlet 4 and the sand mixing hole 302.
In order to realize the fixed connection of the sand water spray pipe 5, the clamping pipe 12 and the spray head, as shown in fig. 2 and 3, a first fastening member 71 is sleeved on the sand water spray pipe 5, the first fastening member 71 is in threaded connection with the clamping pipe 12, a second fastening member 72 is sleeved on the clamping pipe 12, the second fastening member 72 is in threaded connection with the spray head body 11, wherein the first fastening member 71 is in interference fit with the sand water spray pipe 5, the first fastening member 71 is screwed on the clamping pipe 12, the second fastening member 72 is in clearance fit with the clamping pipe 12, the second fastening member 72 is screwed on the spray head body 11, both the first fastening member 71 and the second fastening member 72 are nuts, and a cushion washer is clamped between the two nuts.
In order to prevent sand-water mixture sprayed out through the sand-water spray pipe 5 from splashing outwards, a sand prevention cover (not shown in the figure) is fixedly arranged on the sand-water spray pipe 5, and the sand prevention cover is provided with a flanging extending downwards along the periphery of the sand prevention cover.
As shown in fig. 2 and fig. 3, the water cutting tool bit of this embodiment further includes a water valve assembly 2 disposed on the spray head assembly 1, the water valve assembly 2 includes a cylinder seat 21, a cylinder 22, a valve cover 23 and a valve core 24, the cylinder seat 21 is fixedly disposed on the spray head assembly 1, the cylinder 22 is fixedly disposed on the cylinder seat 21, the valve cover 23 is disposed on the spray head assembly 1, a switch hole is disposed on the valve cover 23, the switch hole is respectively communicated with the water inlet part and the water inlet hole 301, the valve core 24 is fixedly disposed at the movable end of the cylinder 22, the valve core 24 can be attached to the switch hole, the movable end of the cylinder 22 can drive the valve core 24 to move in the switch hole, so that the water inlet part and the water inlet hole 301 are communicated or disconnected through the switch hole. When the cylinder 22 drives the valve core 24 to move upwards, the valve core 24 moves upwards relative to the switch hole, when the lower end of the valve core 24 is positioned above the outlet of the water inlet piece, the water inlet piece is communicated with the water inlet hole 301, and at the moment, the water cutting tool bit is in a working state; when the cylinder 22 drives the valve core 24 to move downwards, the valve core 24 moves downwards relative to the switch hole, when the valve core 24 is over against the outlet of the water inlet piece, the water inlet piece is disconnected from the water inlet hole 301, and at the moment, the water cutting tool bit is in a non-working state.
When the water cutting tool bit of the embodiment cuts a workpiece, the working time of the water cutting tool bit exceeds 300 hours, the existing water cutting tool bit can only work for 100 hours at most, and compared with the existing water cutting tool bit, the cutting efficiency is higher, and the service lives of the sand mixing piece 3 and the sand water spray pipe 5 are longer.
It is to be noted that the foregoing description is only exemplary of the utility model and that the principles of the technology may be employed. Those skilled in the art will appreciate that the present invention is not limited to the particular embodiments described herein, and that various obvious changes, rearrangements and substitutions will now be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A water cutting bit, comprising:
the nozzle assembly (1) is provided with a water through hole (101);
the water inlet piece is fixedly arranged on one side of the spray head assembly (1) and can be communicated with the water through hole (101);
The sand mixing piece (3) is fixedly arranged in the spray head component (1), a water inlet hole (301), a sand mixing hole (302) and a sand mixing chamber (303) communicated with the water inlet hole (301) and the sand mixing hole (302) are formed in the sand mixing piece (3), and a sand cavity (102) communicated with the sand mixing hole (302) is formed by the sand mixing piece (3) and the spray head component (1);
the sand inlet piece (4) is fixedly arranged on one side of the spray head assembly (1), a sand inlet hole (40) communicated with the sand cavity (102) is defined in the sand inlet piece (4), and an outlet of the sand inlet hole (40) is arranged to deviate from the sand mixing hole (302);
sand water spray pipe (5), with mulling piece (3) butt, be equipped with jet orifice (501) in sand water spray pipe (5), jet orifice (501) with mulling room (303) intercommunication.
2. The water cutting cutter head according to claim 1, characterized in that the sand mixing hole (302) is an inclined hole which is inclined towards the direction close to the sand water nozzle (5), and the central axis of the inclined hole intersects with the central axis of the water inlet hole (301) and forms an included angle between 0 ° and 90 °.
3. Water cutting head according to claim 1, characterized in that the outer diameter of the mutually abutting ends of the sand mixer (3) and the sand and water lance (5) is equal.
4. The water cutting cutter head according to claim 1, wherein the sand-water nozzle (5) is provided with a transition hole (502), and the transition hole (502) is communicated with the sand mixing chamber (303) and the jet hole (501).
5. The water cutting head according to claim 4, wherein the sand mixing chamber (303) comprises a trumpet hole (3031) and a column hole (3032) which are communicated, and the high-pressure water flowing out through the water inlet hole (301) sequentially passes through the small end of the trumpet hole (3031) and the large end of the trumpet hole (3031) and enters the column hole (3032).
6. The water cutting head according to claim 5, characterized in that the transition hole (502) is a tapered hole, the diameter of the large end of which is larger than the diameter of the cylindrical hole (3032).
7. The water cutting head according to claim 1, wherein the sand mullion (3) and the nozzle assembly (1) are communicated through a communication hole (60) of a connection block (6), and the diameter of the outlet end of the communication hole (60) is smaller than the diameter of the inlet end of the communication hole (60).
8. The water cutting cutter head according to claim 1, wherein the nozzle assembly (1) comprises a nozzle body (11) and a clamping tube (12) fixed on the nozzle body (11), the lower end of the clamping tube (12) extends out of the nozzle body (11), and the clamping tube (12) and the sand mixer (3) form the sand chamber (102).
9. The water cutting tool bit as claimed in claim 1, characterized in that a sand control hood is fixedly arranged on the sand-water jet pipe (5), and the opening of the sand control hood is arranged towards the outlet of the sand-water jet pipe (5).
10. The water cutter head of claim 1, further comprising a water valve assembly (2) disposed on the spray head assembly (1), the water valve assembly (2) comprising:
the air cylinder seat (21) is fixedly arranged on the spray head assembly (1);
the cylinder (22) is fixedly arranged on the cylinder seat (21);
the valve cover (23) is arranged on the spray head assembly (1), and a switch hole is formed in the valve cover (23) and is respectively communicated with the water inlet part and the water inlet hole (301);
the valve core (24) is fixedly arranged at the movable end of the air cylinder (22), the valve core (24) can be attached to the switch hole, and the movable end of the air cylinder (22) can drive the valve core (24) to move in the switch hole so as to enable the water inlet piece and the water inlet hole (301) to be communicated or disconnected through the switch hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121158955.1U CN216608642U (en) | 2021-05-27 | 2021-05-27 | Water cutting tool bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121158955.1U CN216608642U (en) | 2021-05-27 | 2021-05-27 | Water cutting tool bit |
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| Publication Number | Publication Date |
|---|---|
| CN216608642U true CN216608642U (en) | 2022-05-27 |
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| CN202121158955.1U Active CN216608642U (en) | 2021-05-27 | 2021-05-27 | Water cutting tool bit |
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| CN (1) | CN216608642U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113146486A (en) * | 2021-05-27 | 2021-07-23 | 江苏富技腾机电科技有限公司 | Water cutting tool bit |
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2021
- 2021-05-27 CN CN202121158955.1U patent/CN216608642U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113146486A (en) * | 2021-05-27 | 2021-07-23 | 江苏富技腾机电科技有限公司 | Water cutting tool bit |
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Denomination of utility model: Water cutting head Effective date of registration: 20230113 Granted publication date: 20220527 Pledgee: Nanjing Branch of Jiangsu Bank Co.,Ltd. Pledgor: JIANGSU FUJITENG ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Registration number: Y2023980031063 |