CN215964490U - Valve body assembly of hot melt adhesive rotary spray gun - Google Patents
Valve body assembly of hot melt adhesive rotary spray gun Download PDFInfo
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- CN215964490U CN215964490U CN202122264134.2U CN202122264134U CN215964490U CN 215964490 U CN215964490 U CN 215964490U CN 202122264134 U CN202122264134 U CN 202122264134U CN 215964490 U CN215964490 U CN 215964490U
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Abstract
A valve body assembly of a hot melt adhesive rotary spray gun comprises a valve body, wherein a pneumatic cavity and a glue liquid cavity are sequentially arranged inside the valve body from top to bottom, an air inlet hole connected with an external air source is formed in the position, opposite to the pneumatic cavity, of the valve body, a glue inlet hole connected with a hot melt adhesive source is formed in the position, opposite to the glue liquid cavity, of the valve body, a lower sealing cover is arranged at the lower end of the glue liquid cavity of the valve body, a piston is arranged in the pneumatic cavity of the valve body, a valve rod is arranged at the lower end of the piston, the end of the valve rod extends into the glue liquid cavity and is abutted to a glue outlet port of the lower sealing cover, a driven gear for driving the valve body to rotate is fixed at the top of the valve body, and first bearings for supporting the valve body to rotate are sleeved on outer rings at the upper end and the lower end of the valve body; the rotary spraying device has the advantages of simple structure, reasonable design, capability of realizing rotary spraying, good spraying effect and the like.
Description
Technical Field
The utility model relates to a hot melt adhesive rotary spray gun, in particular to a valve body assembly of the hot melt adhesive rotary spray gun.
Background
In traditional structure, the spray gun body is connected with hot melt adhesive heating heat preservation piece, rise as the piston, the hot melt adhesive is direct by perpendicular blowout in the passageway in the closing cap under the spray gun, perhaps install the nozzle of an L type, make the fluid fix and spout towards a side position, when needs in the inboard periphery or the outside periphery spraying fluid of a square box or circular jar body, the fixed mounting such as a valve body and hot melt adhesive heat preservation heating pipe is released on the market, the solenoid valve, solenoid valve control line, trachea, split type installation can free rotation's lower closing cap in valve body lower extreme, the closing cap rotates under the drive of motor, thereby realize the circular rotatory spraying, but this kind of structure leads to down the interval between closing cap and the hot melt adhesive heat preservation heating pipe too big, there is the inhomogeneous condition of being heated, thereby the gluey effect of spouting has been influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides the valve body assembly of the hot melt adhesive rotary spray gun, which has the advantages of simple structure, reasonable design, realization of rotary spraying and good spraying effect.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a valve body assembly of rotatory spray gun of hot melt adhesive, includes the valve body, the inside of valve body is equipped with pneumatic chamber, glue liquid chamber from top to bottom in proper order, the valve body is equipped with the inlet port of connecting external air source for pneumatic chamber department, the valve body is equipped with the glue inlet hole of connecting the hot melt adhesive source for glue liquid chamber department, the valve body is equipped with lower closing cap at the lower extreme in glue liquid chamber, the valve body is equipped with the piston at pneumatic intracavity, the lower extreme of piston is equipped with the valve rod, the tip of valve rod extends to the glue liquid intracavity and glues port looks butt with the play of lower closing cap, the top of valve body is fixed with and is used for driving the rotatory driven gear of valve body, the upper and lower both ends outer lane cover of valve body is equipped with and is used for supporting the rotatory first bearing of valve body.
Preferably, an air inlet groove used for improving air inlet flux is formed in the outer side of the valve body relative to the air inlet hole, the air inlet hole is formed in the air inlet groove, and the air inlet groove is internally provided with a plurality of air inlet holes.
Preferably, a glue inlet groove used for improving glue inlet flux is arranged on the outer side of the valve body relative to the glue inlet hole, the glue inlet hole is formed in the glue inlet groove, and a plurality of glue inlet holes are formed in the glue inlet groove.
Preferably, the outer wall of the valve body is sleeved with sealing rings for sealing the air inlet groove and the glue inlet groove on the upper side and the lower side of the air inlet groove and the glue inlet groove.
Preferably, the first bearing at the upper end of the valve body is abutted against the lower end face of the driven gear, a clamping groove is formed in the bottom of the outer ring of the valve body, a clamping spring is arranged in the clamping groove, and the first bearing at the lower end of the valve body is abutted against the upper end face of the clamping spring.
Preferably, a transition cavity is arranged between the pneumatic cavity and the glue solution cavity inside the valve body, a transition groove for facilitating inspection is arranged on the outer wall of the valve body between a sealing ring on the lower side of the air inlet groove and a sealing ring on the upper side of the glue inlet groove, and a plurality of transition holes communicated with the transition cavity are formed in the transition groove.
Preferably, the air inlet groove, the glue inlet groove and the transition groove are all annular grooves, and the air inlet groove, the glue inlet groove and the transition groove are respectively provided with four air inlet holes, glue inlet holes and transition holes.
Preferably, the driven gear is fixed to the upper end face of the valve body through a connecting bolt, and a second bearing for supporting the driven gear is sleeved on the surface of the driven gear.
Preferably, an adjusting screw is arranged in the driven gear, the upper end of the adjusting screw extends to the outer side of the driven gear, and an adjusting spring is arranged between the adjusting screw and the upper end of the piston.
The utility model has the beneficial effects that: 1. the upper end and the lower end of the valve body are respectively sleeved with a first bearing, the lower sealing cover is fixedly arranged at the lower end of the valve body, and the upper end of the valve body is fixedly provided with a driven gear for driving the valve body to rotate, so that rotary spraying is realized, the overall length between the lower sealing cover and the valve body is shortened, the heating effect of hot melt adhesive in the lower sealing cover is improved, and the spraying effect is ensured; 2. the driven gear is sleeved with the second bearing, so that deflection caused by overlarge torque when the valve body rotates is avoided, and the rotating stability and the spraying effect of the valve body are improved; 3. a transition cavity is arranged in the valve body, a transition groove and a transition hole are arranged on the outer wall of the valve body, an inspection opening is arranged on the mounting shell, and whether the hot melt adhesive overflows into the transition cavity or the pneumatic cavity is observed through the transition groove and the transition hole, so that the damage of the piston is avoided; 4. the sealing rings are sleeved on the upper side and the lower side of the air inlet groove and the glue inlet groove on the outer wall of the valve body, the mounting sealing effect of the valve body is improved, and therefore the service life is prolonged.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
In the figure: 1. a valve body; 2. a pneumatic chamber; 3. a glue cavity; 4. an air inlet; 5. a glue inlet hole; 6. a lower sealing cover; 7. a piston; 8. a valve stem; 9. a glue outlet port; 10. a driven gear; 11. a first bearing; 12. an air inlet groove; 13. a glue inlet groove; 14. a seal ring; 15. a clamping groove; 16. a clamp spring; 17. a transition chamber; 18. a transition groove; 19. a transition hole; 20. a connecting bolt; 21. a second bearing; 22. an adjusting screw; 23. the spring is adjusted.
Detailed Description
The technical solution of the present invention is further specifically described below by way of specific examples in conjunction with the accompanying drawings.
Example (b):
the valve body assembly of the hot melt adhesive rotary spray gun as shown in fig. 1 comprises a valve body 1, wherein a pneumatic cavity 2 and a glue solution cavity 3 are sequentially arranged inside the valve body 1 from top to bottom, an air inlet hole 4 connected with an external air source is formed in the position, opposite to the pneumatic cavity 2, of the valve body 1, an air inlet groove 12 used for improving air inlet flux is formed in the outer side of the valve body 1, opposite to the air inlet hole 4, of the valve body 1, the air inlet hole 4 is formed in the air inlet groove 12, a plurality of air inlet holes 4 are formed in the air inlet groove 12, a glue inlet hole 5 connected with a hot melt adhesive source is formed in the position, opposite to the glue solution cavity 3, of the valve body 1, a glue inlet groove 13 used for improving glue inlet flux is formed in the outer side of the valve body 1, opposite to the glue inlet hole 5, the glue inlet hole 5 is formed in the glue inlet groove 13, and a plurality of glue inlet holes 5 are formed in the glue inlet groove 13; sealing rings 14 for sealing the air inlet groove 12 and the glue inlet groove 13 are sleeved on the upper side and the lower side of the air inlet groove 12 and the glue inlet groove 13 on the outer wall of the valve body 1; a transition cavity 17 is arranged between the pneumatic cavity 2 and the glue solution cavity 3 in the valve body 1, a transition groove 18 for facilitating inspection is arranged on the outer wall of the valve body 1 between a sealing ring 14 on the lower side of the air inlet groove 12 and a sealing ring 14 on the upper side of the glue inlet groove 13, and a plurality of transition holes 19 communicated with the transition cavity 17 are arranged in the transition groove 18; the air inlet groove 12, the glue inlet groove 13 and the transition groove 18 are all annular grooves, and the air inlet groove 12, the glue inlet groove 13 and the transition groove 18 are respectively provided with four air inlet holes 4, glue inlet holes 5 and transition holes 19.
The lower end of a glue solution cavity 3 of the valve body 1 is provided with a lower sealing cover 6, a piston 7 is arranged in a pneumatic cavity 2 of the valve body 1, the lower end of the piston 7 is provided with a valve rod 8, the end part of the valve rod 8 extends into the glue solution cavity 3 and is abutted to a glue outlet port 9 of the lower sealing cover 6, a driven gear 10 for driving the valve body 1 to rotate is fixed at the top of the valve body 1, the driven gear 10 is fixed on the upper end face of the valve body 1 through a connecting bolt 20, a second bearing 21 for supporting the driven gear 10 is sleeved on the surface of the driven gear 10, an adjusting screw 22 is arranged in the driven gear 10, the upper end of the adjusting screw 22 extends to the outer side of the driven gear 10, and an adjusting spring 23 is arranged between the adjusting screw 22 and the upper end of the piston 7; the upper and lower both ends outer lane cover of valve body 1 is equipped with and is used for supporting the rotatory first bearing 11 of valve body 1, the first bearing 11 of valve body 1 upper end and driven gear 10's lower terminal surface looks butt, 1 outer lane bottom of valve body is equipped with joint groove 15, be equipped with jump ring 16 in the joint groove 15, the first bearing 11 of valve body 1 lower extreme and the up end looks butt of jump ring 16.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the utility model as set forth in the claims.
Claims (9)
1. The utility model provides a hot melt adhesive rotary spray gun's valve body assembly, includes valve body (1), its characterized in that: the interior of the valve body (1) is sequentially provided with a pneumatic cavity (2) and a glue solution cavity (3) from top to bottom, an air inlet (4) connected with an external air source is arranged at the position of the valve body (1) corresponding to the pneumatic cavity (2), a glue inlet hole (5) connected with a hot melt glue source is arranged at the position of the valve body (1) corresponding to the glue cavity (3), the lower end of the glue solution cavity (3) of the valve body (1) is provided with a lower sealing cover (6), the valve body (1) is provided with a piston (7) in the pneumatic cavity (2), the lower end of the piston (7) is provided with a valve rod (8), the end part of the valve rod (8) extends into the glue cavity (3) and is abutted against a glue outlet port (9) of the lower sealing cover (6), a driven gear (10) for driving the valve body (1) to rotate is fixed at the top of the valve body (1), the upper end and the lower end of the valve body (1) are sleeved with first bearings (11) for supporting the valve body (1) to rotate.
2. The valve body assembly of the hot melt adhesive rotary spray gun of claim 1, wherein: an air inlet groove (12) used for improving air inlet flux is formed in the outer side of the valve body (1) relative to the air inlet holes (4), the air inlet holes (4) are formed in the air inlet groove (12), and the air inlet groove (12) is internally provided with a plurality of air inlet holes (4).
3. The valve body assembly of the hot melt adhesive rotary spray gun of claim 2, wherein: the outer side of the valve body (1) is provided with a glue inlet groove (13) for improving glue inlet flux relative to the glue inlet hole (5), the glue inlet hole (5) is formed in the glue inlet groove (13), and a plurality of glue inlet holes (5) are formed in the glue inlet groove (13).
4. The valve body assembly of the hot melt adhesive rotary spray gun of claim 3, wherein: and sealing rings (14) used for sealing the air inlet groove (12) and the glue inlet groove (13) are sleeved on the outer wall of the valve body (1) on the upper side and the lower side of the air inlet groove (12) and the glue inlet groove (13).
5. The valve body assembly of the hot melt adhesive rotary spray gun of claim 1, wherein: the valve body (1) is characterized in that a first bearing (11) at the upper end of the valve body (1) is abutted against the lower end face of the driven gear (10), a clamping groove (15) is formed in the bottom of the outer ring of the valve body (1), a clamping spring (16) is arranged in the clamping groove (15), and the first bearing (11) at the lower end of the valve body (1) is abutted against the upper end face of the clamping spring (16).
6. The valve body assembly of the hot melt adhesive rotary spray gun of claim 4, wherein: the novel check valve is characterized in that a transition cavity (17) is arranged in the valve body (1) between the pneumatic cavity (2) and the glue solution cavity (3), a transition groove (18) for facilitating check is arranged between a sealing ring (14) on the lower side of the air inlet groove (12) and a sealing ring (14) on the upper side of the glue inlet groove (13) on the outer wall of the valve body (1), and a plurality of transition holes (19) communicated with the transition cavity (17) are formed in the transition groove (18).
7. The valve body assembly of the hot melt adhesive rotary spray gun of claim 2, 3 or 6, wherein: the air inlet groove (12), the glue inlet groove (13) and the transition groove (18) are all annular grooves, and the air inlet groove (12), the glue inlet groove (13) and the transition groove (18) are respectively provided with four air inlets (4), a glue inlet hole (5) and a transition hole (19).
8. The valve body assembly of the hot melt adhesive rotary spray gun of claim 1, wherein: driven gear (10) are fixed in the upper end terminal surface of valve body (1) through connecting bolt (20), driven gear (10) surface cover is equipped with second bearing (21) that are used for supporting driven gear (10).
9. The valve body assembly of the hot melt adhesive rotary spray gun of claim 1, wherein: be equipped with adjusting screw (22) in driven gear (10), the upper end of adjusting screw (22) extends to the driven gear (10) outside, be equipped with between the upper end of adjusting screw (22) and piston (7) adjusting spring (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122264134.2U CN215964490U (en) | 2021-09-17 | 2021-09-17 | Valve body assembly of hot melt adhesive rotary spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122264134.2U CN215964490U (en) | 2021-09-17 | 2021-09-17 | Valve body assembly of hot melt adhesive rotary spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215964490U true CN215964490U (en) | 2022-03-08 |
Family
ID=80463372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122264134.2U Active CN215964490U (en) | 2021-09-17 | 2021-09-17 | Valve body assembly of hot melt adhesive rotary spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215964490U (en) |
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2021
- 2021-09-17 CN CN202122264134.2U patent/CN215964490U/en active Active
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