CN215394674U

CN215394674U - Nozzle for soft board sand blasting production line

Info

Publication number: CN215394674U
Application number: CN202121244071.8U
Authority: CN
Inventors: 张保国
Original assignee: Shenzhen Feishida Mechanical Equipment Co ltd
Current assignee: Shenzhen Feishida Mechanical Equipment Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2022-01-04
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses a nozzle for a flexible printed circuit board sand blasting production line, which comprises a nozzle seat, wherein the left end and the right end of the nozzle seat are fixedly provided with raised blocks, the front end and the rear end of the nozzle seat are respectively provided with an arc-shaped groove, the upper end of the nozzle seat is provided with three slots, the three slots are distributed in an annular array, the middle part of the upper end of each slot is provided with a nozzle core, the lower end of the nozzle seat is fixedly bonded with a first sealing ring, the middle part of the lower end of the nozzle seat is provided with a cylindrical cavity, the first sealing ring is positioned under the cylindrical cavity, the lower end of the nozzle core extends into the cylindrical cavity, and the inner wall of the cylindrical cavity is provided with internal threads. According to the nozzle for the flexible board sand blasting production line, the deep cover and the protective cover are arranged to protect the nozzle, the protruding block, the arc-shaped groove and the slot are arranged to be matched together to change the appearance of the nozzle seat, and the first sealing ring and the second sealing ring are arranged to be matched together to play a sealing role, so that the nozzle is high in practicability, high in safety and long in service life.

Description

Nozzle for soft board sand blasting production line

Technical Field

The utility model relates to the field of soft board sand blasting equipment, in particular to a nozzle for a soft board sand blasting production line.

Background

The nozzle is a key part in a plurality of devices for spraying, atomizing, oil spraying, sand blasting, spraying and the like, and plays an important role. Since the nozzle is designed to operate under a number of different spray conditions, the nozzle is selected to suit the requirements to achieve optimum spray performance in use. The characteristics of the nozzle are mainly reflected in the type of spray of the nozzle, i.e. the shape of the liquid formed when it leaves the nozzle opening and its operating characteristics. The nozzle is generally named by dividing the spray shape into fan-shaped, cone-shaped, liquid column flow (namely jet flow), air atomization and flat nozzle, wherein the cone-shaped nozzle is divided into a hollow cone and a solid cone. The nozzle is needed in the soft plate sand blasting production line. The nozzle for the prior soft board sand blasting production line has the following defects: 1. most of nozzles for the existing soft board sand blasting production line are provided with nozzle seats, but most of the existing nozzle seats are of hexagonal structures and are easy to unscrew by conventional tools, and most of spray pipes are provided with liquid medicine, so that non-professional workers unscrew the nozzles to cause body injuries, and the safety management of production is not facilitated; 2. most of nozzles for the existing soft board sand blasting production line are not provided with protective covers, and as the caliber of a nozzle cavity of the nozzle is smaller, larger sand in the nozzle can block the nozzle cavity, so that the damage of the nozzle is caused, the spraying efficiency of the soft board is influenced, and the production cost is improved; 3. the existing nozzle for the flexible board sand blasting production line has poor sealing effect, the connection part of the nozzle and the spray pipe is easy to leak, and the liquid medicine at the leakage part is easy to corrode the nozzle and the spray pipe, so that unnecessary economy is caused.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a nozzle for a flexible printed circuit board sand blasting production line, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a nozzle for soft board sandblast production line, includes the nozzle seat, the equal fixed mounting of nozzle seat left end and right-hand member has protruding piece, nozzle seat front end and rear end have all been opened the arc recess, open nozzle seat upper end has three slot, and is three the slot is the ring array and distributes, slot upper end middle part is provided with the nozzle core, the fixed bonding of nozzle seat lower extreme has first sealing washer, nozzle seat lower extreme middle part is opened there is the cylindrical cavity, first sealing washer is located the cylindrical cavity under, nozzle core lower extreme extends to the cylindrical cavity, the cylindrical cavity inner wall is opened there is the internal thread, the chamber wall bonding has the second sealing washer on the cylindrical cavity.

Preferably, the middle part of the upper end of the nozzle seat is provided with an opening, the upper end of the nozzle seat is fixedly provided with two reinforcing blocks, and the two reinforcing blocks are symmetrically distributed in the left-right direction by taking the opening as the center.

Preferably, the nozzle core comprises a nozzle, the lower end of the nozzle penetrates through the opening, the left end and the right end of the nozzle are fixedly connected with the two reinforcing blocks, the lower end of the nozzle is fixedly provided with a deep cover, the deep cover is positioned in the cylindrical cavity, and the upper wall of the inner cavity of the deep cover is fixedly provided with a protective cover.

Preferably, the protection casing is the hemisphere structure, the protection casing surface is evenly opened has a plurality of small opening.

Preferably, the lower end of the spray head is provided with a spray cavity, the spray cavity is of a structure with a wide lower part and a narrow upper part, the spray cavity is communicated with an inner cavity of the deep cover, and a water distribution piece is clamped between the front wall and the rear wall of the spray cavity.

Preferably, the spray head and the deep cover are detachably connected, and the diameter and the height of the deep cover are respectively smaller than those of the cylindrical cavity.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the nozzle for the flexible board sand blasting production line, the shape of the nozzle seat is changed by arranging the convex block, the arc-shaped groove and the slot together, so that the nozzle seat cannot be rotated by a conventional tool, the nozzle is prevented from being unscrewed by a non-professional person, and the safety management of production is facilitated;

2. according to the nozzle for the flexible board sand blasting production line, the deep cover and the protective cover are arranged to protect the nozzle, when the nozzle is used, the deep cover completely enters the inner cavity of the threaded connector, so that the protective cover is completely contacted with a liquid spray in the nozzle, larger gravel in the liquid spray is blocked by the leakage holes, the nozzle cavity is prevented from being blocked by the gravel, the contact area with the liquid spray is further increased by arranging the hemispherical protective cover, the gravel adhered to the surface of the protective cover is easily washed away by the liquid spray due to the spherical design of the protective cover, the probability of blockage of the leakage holes is reduced, and the service life of the nozzle is prolonged;

3. when the nozzle for the flexible board sand blasting production line is used, the nozzle penetrates into the cover completely and enters the inner cavity of the threaded joint, the second sealing ring seals a gap between the nozzle seat and the spray pipe, and the first sealing ring seals the gap between the nozzle seat and the spray pipe, so that double sealing is realized, and the leakage phenomenon is effectively avoided.

Drawings

FIG. 1 is a schematic view of the overall structure of a nozzle for a flexible board sand blasting production line according to the present invention;

FIG. 2 is a bottom view of the overall structure of a nozzle for a flexible board sand blasting production line according to the present invention;

FIG. 3 is a schematic view showing the overall structure of a nozzle base of a nozzle for a flexible board sand blasting production line according to the present invention;

FIG. 4 is a schematic view showing the overall structure of a nozzle core of a nozzle for a flexible board sand blasting production line according to the present invention;

FIG. 5 is a schematic view showing the overall structure of a protective cover of a nozzle for a flexible board sand blasting production line according to the present invention;

FIG. 6 is a schematic view of a sectional structure of a nozzle of the nozzle for a flexible board sand blasting production line according to the present invention;

FIG. 7 is a schematic view of the mounting structure of a nozzle for a flexible board sand blasting production line according to the present invention.

In the figure: 1. a nozzle base; 2. a raised block; 3. an arc-shaped groove; 4. a slot; 5. a nozzle core; 6. a first seal ring; 7. a cylindrical cavity; 8. an internal thread; 9. a second seal ring; 10. a nozzle; 11. a threaded joint; 21. a reinforcing block; 22. an opening; 31. a spray head; 32. penetrating into the cover; 33. a protective cover; 41. a spray chamber; 42. a water diversion sheet; 51. and (4) a leak hole.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, 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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; 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.

As shown in fig. 1-7, a nozzle for a flexible printed circuit board sand blasting production line comprises a nozzle base 1, wherein protruding blocks 2 are fixedly mounted at the left end and the right end of the nozzle base 1, arc-shaped grooves 3 are formed in the front end and the rear end of the nozzle base 1, three slots 4 are formed in the upper end of the nozzle base 1, the three slots 4 are distributed in an annular array mode, a nozzle core 5 is arranged in the middle of the upper end of each slot 4, a first sealing ring 6 is fixedly bonded to the lower end of the nozzle base 1, a cylindrical cavity 7 is formed in the middle of the lower end of the nozzle base 1, the first sealing ring 6 is located under the cylindrical cavity 7, the lower end of the nozzle core 5 extends into the cylindrical cavity 7, internal threads 8 are formed in the inner wall of the cylindrical cavity 7, and a second sealing ring 9 is bonded to the upper cavity wall of the cylindrical cavity 7.

The middle part of the upper end of the nozzle seat 1 is provided with an opening 22, the upper end of the nozzle seat 1 is fixedly provided with two reinforcing blocks 21, the two reinforcing blocks 21 are symmetrically distributed in the left-right direction by taking the opening 22 as the center, the reinforcing blocks 21 and the nozzle seat 1 are of an integrated structure, and the reinforcing blocks 21 play a role in reinforcing the nozzle 31.

The nozzle core 5 comprises a nozzle 31, the lower end of the nozzle 31 penetrates through the opening 22, the left end and the right end of the nozzle 31 are fixedly connected with two reinforcing blocks 21, a deep cover 32 is fixedly mounted at the lower end of the nozzle 31, the deep cover 32 is positioned in the cylindrical cavity 7, a protective cover 33 is fixedly mounted on the upper wall of the inner cavity of the deep cover 32, and the diameter of the deep cover 32 is smaller than that of the inner cavity of the threaded joint 11.

The protection cover 33 is of a hemispherical structure, a plurality of leak holes 51 are uniformly formed in the outer surface of the protection cover 33, and the height of the protection cover 33 is equal to the height of the inner cavity of the deep cover 32.

The lower end of the spray head 31 is provided with a spray cavity 41, the spray cavity 41 is of a structure with a wide lower part and a narrow upper part, the spray cavity 41 is communicated with the inner cavity of the deep cover 32, a water diversion sheet 42 is clamped between the front wall and the rear wall of the spray cavity 41, the water diversion sheet 42 is positioned at the central axis of the spray cavity 41, and the water diversion sheet 42 can be replaced.

The spray head 31 and the deep cover 32 are detachably connected, the diameter and the height of the deep cover 32 are respectively smaller than those of the cylindrical cavity 7, and the spray head 31 can be replaced.

It should be noted that, the utility model is a nozzle for a flexible board sand blasting production line, the shape of the nozzle base 1 is changed by arranging the convex block 2, the arc-shaped groove 3 and the slot 4 to cooperate together, so that the nozzle base 1 cannot be rotated by a conventional tool, the nozzle is prevented from being unscrewed by non-professional personnel, the safety management of production is facilitated, the nozzle 31 is protected by arranging the deep cover 32 and the protective cover 33, when in use, the deep cover 32 completely enters the inner cavity of the threaded joint 11, so that the protective cover 33 is completely contacted with the spray liquid in the spray pipe 10, larger gravel in the spray liquid is blocked by arranging the leakage hole 51, the blockage of the spray cavity 41 by the gravel is avoided, the contact area with the spray liquid is further increased by arranging the hemispherical protective cover 33, and the spherical surface design of the protective cover 33 enables the gravel adhered to be easily washed away by the spray liquid on the surface of the protective cover 33, and the probability of the leakage hole 51 is reduced, the life of extension nozzle, play sealed effect through setting up first sealing washer 6 and the common cooperation of second sealing washer 9, during the use, at first go deep into cover 32 and get into the 11 inner chambers of screwed joint completely, the sealed gap of going deep between cover 32 and the 11 inner chambers of screwed joint of second sealing washer 9, the gap between rethread first sealing washer 6 sealed nozzle seat 1 and spray tube 10, double seal effectively avoids the emergence of leakage phenomenon.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a nozzle for soft board sandblast production line, includes nozzle seat (1), its characterized in that: the nozzle seat is characterized in that a protruding block (2) is fixedly mounted at the left end and the right end of the nozzle seat (1), arc-shaped grooves (3) are formed in the front end and the rear end of the nozzle seat (1), three slots (4) are formed in the upper end of the nozzle seat (1) and distributed in an annular array mode, a nozzle core (5) is arranged in the middle of the upper end of each slot (4), a first sealing ring (6) is fixedly bonded to the lower end of the nozzle seat (1), a cylindrical cavity (7) is formed in the middle of the lower end of the nozzle seat (1), the first sealing ring (6) is located under the cylindrical cavity (7), the lower end of the nozzle core (5) extends into the cylindrical cavity (7), internal threads (8) are formed in the inner wall of the cylindrical cavity (7), and a second sealing ring (9) is bonded to the upper cavity wall of the cylindrical cavity (7).

2. The nozzle for the flexible board sand blasting production line according to claim 1, characterized in that: the nozzle seat is characterized in that an opening (22) is formed in the middle of the upper end of the nozzle seat (1), two reinforcing blocks (21) are fixedly mounted at the upper end of the nozzle seat (1), and the two reinforcing blocks (21) are distributed in a bilateral symmetry mode by taking the opening (22) as the center.

3. The nozzle for the flexible board sand blasting production line according to claim 1, characterized in that: nozzle core (5) are including shower nozzle (31), opening (22) are run through to shower nozzle (31) lower extreme, shower nozzle (31) left end and right-hand member distribute with two reinforcement piece (21) fixed connection, shower nozzle (31) lower extreme fixed mounting goes deep to cover (32), go deep to cover (32) and be located cylindrical cavity (7), go deep to cover (32) inner chamber upper wall fixed mounting have protection casing (33).

4. The nozzle for the flexible board sand blasting production line according to claim 3, characterized in that: the protection casing (33) are the hemisphere structure, protection casing (33) surface is evenly opened has a plurality of small opening (51).

5. The nozzle for the flexible board sand blasting production line according to claim 3, characterized in that: the lower end of the spray head (31) is provided with a spray cavity (41), the spray cavity (41) is of a structure with a wide lower part and a narrow upper part, the spray cavity (41) is communicated with the inner cavity of the deep cover (32), and a water distribution sheet (42) is clamped between the front wall and the rear wall of the spray cavity (41).

6. The nozzle for the flexible board sand blasting production line according to claim 3, characterized in that: the spray head (31) and the deep cover (32) are detachably connected, and the diameter and the height of the deep cover (32) are respectively smaller than those of the cylindrical cavity (7).