CN113769986A - Hot melt adhesive rotary spray gun - Google Patents
Hot melt adhesive rotary spray gun Download PDFInfo
- Publication number
- CN113769986A CN113769986A CN202111092449.1A CN202111092449A CN113769986A CN 113769986 A CN113769986 A CN 113769986A CN 202111092449 A CN202111092449 A CN 202111092449A CN 113769986 A CN113769986 A CN 113769986A
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- China
- Prior art keywords
- cavity
- valve body
- glue
- groove
- hot melt
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/001—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work incorporating means for heating or cooling the liquid or other fluent material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0225—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work characterised by flow controlling means, e.g. valves, located proximate the outlet
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Abstract
A hot melt adhesive rotary spray gun comprises an installation shell, wherein a glue spraying cavity, a driving cavity and a glue inlet cavity are arranged in the installation shell, and the driving cavity and the glue inlet cavity are communicated with the glue spraying cavity; a valve body is arranged in the glue spraying cavity of the mounting shell, a first bearing is sleeved between the upper end and the lower end of the valve body and the glue spraying cavity of the mounting shell, a lower sealing cover is arranged at the lower end of the valve body, a driven device is fixed at the top of the valve body, a driving device in transmission connection with the driven device is arranged in a driving cavity of the mounting shell, a driving shaft is arranged on the driving device, the driving shaft is connected with a power source, and the driving shaft drives the valve body and the lower sealing cover to rotate through the driven device and the driving device; 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 invention relates to a hot melt adhesive spray gun, in particular to a 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, as needs at the inboard periphery of a square box or circular jar body or outside periphery spraying fluid, need rotate whole spray gun body together with heating portion and hot melt adhesive heat preservation heating pipe, the solenoid valve control line, trachea etc. together, because the restriction of all kinds of pipelines and spray gun body and dead weight, traditional spraying structure can't the rotatory spraying of circumference cycle many times, also be difficult at the whole structure of space internal rotation of a small radius simultaneously, thereby lead to the spraying effect poor, can't satisfy the market demand.
In order to overcome these not enough, release a valve body and hot melt adhesive heat preservation heating pipe on the market, the solenoid valve control line, fixed mounting such as trachea, at the split type installation of valve body lower extreme can free rotation's lower closing cap, the closing cap rotates under through motor drive to realize the rotatory spraying of circumference circulation, but this kind of structure leads to the interval between closing cap and the hot melt adhesive heat preservation heating pipe down too big, has the inhomogeneous condition of being heated, thereby has influenced and has spouted gluey effect.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the hot melt adhesive rotary spray gun which is simple in structure, reasonable in design, capable of realizing rotary spraying and good in spraying effect.
The technical scheme adopted by the invention for solving the technical problems is as follows: a hot melt adhesive rotary spray gun comprises an installation shell, wherein a glue spraying cavity, a driving cavity and a glue inlet cavity are arranged in the installation shell, and the driving cavity and the glue inlet cavity are communicated with the glue spraying cavity; the installation shell spout and be equipped with the valve body in the gluey chamber, the upper and lower both ends of valve body and the installation shell spout and glue the chamber between the cover and be equipped with first bearing, the lower extreme of valve body is equipped with down the closing cap, the top of valve body is fixed with driven device, be equipped with the initiative device of being connected with the driven device transmission in the drive cavity of installation shell, be equipped with the drive shaft on the initiative device, connect the power supply in the drive shaft, the drive shaft passes through driven device, initiative device drives the valve body and rotates with lower closing cap.
Preferably, a pneumatic cavity, a transition cavity and a glue liquid cavity are sequentially arranged in the valve body from top to bottom, and an air inlet groove, a glue inlet groove and a glue inlet groove are formed in the outer wall of the valve body; an air inlet hole communicated with the pneumatic cavity is formed in the air inlet groove, and an air inlet is formed in the mounting shell and corresponds to the air inlet groove; a transition hole communicated with the transition cavity is formed in the transition groove, and an inspection opening is formed in the mounting shell relative to the transition groove; the glue inlet groove is provided with a glue inlet hole communicated with the glue solution cavity, the mounting shell is provided with a glue inlet between the glue inlet cavity and the glue inlet groove, the outer wall of the valve body is sleeved with sealing rings on the upper side and the lower side of the glue inlet groove and the upper side and the lower side of the glue inlet groove, and the inner wall of the driving cavity of the mounting shell is provided with a placing groove corresponding to the sealing rings; the transition groove is arranged between the sealing ring on the lower side of the air inlet groove and the sealing ring on the upper side of the glue inlet groove on the outer wall of the valve body; the inner cavity of the lower sealing cover is communicated with the glue solution cavity of the valve body, the valve body is provided with a piston in the pneumatic cavity, the lower end of the piston is provided with a valve rod, and the end part of the valve rod extends into the glue solution cavity and is abutted to the glue outlet of the lower sealing cover.
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 first bearing at the upper end of the valve body is axially limited with the driven gear through the inner wall of the installation shell, the bottom of the outer ring of the valve body is provided with a clamping groove, a clamp spring is arranged in the clamping groove, and the first bearing at the lower end of the valve body is axially limited with the clamp spring through the lower end face of the installation shell.
Preferably, a gear transmission or a worm and gear transmission is adopted between the driven device and the driving device.
Preferably, the driven device is fixed on the upper end face of the valve body through a connecting bolt, a third bearing is sleeved between the lower end side wall of the driven device and the installation shell, an adjusting screw is arranged in the driven device, the upper end of the adjusting screw penetrates through the upper cover and extends to the outer side of the installation shell, and an adjusting spring is arranged between the adjusting screw and the upper end of the piston.
Preferably, an upper cover is arranged at the top of the mounting shell, the driving shaft penetrates through the upper cover and extends to the outer side of the mounting shell, and second bearings are respectively sleeved between the two sides of the driving device and the upper cover and between the two sides of the driving device and the mounting shell.
Preferably, an inward-recessed mounting groove is formed in the side wall of one side of the mounting shell, a mounting threaded hole is formed in the bottom of the mounting groove, and the inspection opening is formed in the mounting groove.
As preferred, the port department of installation shell in advancing gluey chamber is fixed with the joint, the hot melt adhesive enters into gluey intracavity through the joint, the gluey intracavity of advancing of installation shell is equipped with filter screen head, filter screen support for advancing gluey mouthful department.
Preferably, the driving cavity and the glue inlet cavity are respectively arranged on two lower sides of the glue spraying cavity, the mounting shell is provided with a plurality of heating holes and heating pipes in the driving cavity and the glue inlet cavity, the mounting shell is further provided with a temperature sensing probe for detecting the temperature in the mounting shell, and the mounting shell is provided with panels on the front side and the rear side of the heating holes.
The invention has the beneficial effects that: 1. bearings are sleeved at the upper end and the lower end of the valve body, the lower sealing cover is fixedly arranged at the lower end of the valve body, the driven device is fixed at the upper end of the valve body, the driving device and the driving shaft are arranged to drive the driven device to rotate, so that the valve body and the lower sealing cover are driven to rotate, rotary spraying is realized, the distance between the lower sealing cover and the heating pipe is shortened, the hot melt adhesive in the lower sealing cover is uniformly heated, and the spraying effect is ensured; 2. the third bearing is sleeved on the driven device, so that the deflection caused by overlarge torque when the valve body rotates is avoided, and the rotation stability and the spraying effect of the valve body are improved; 3. the heating pipe is arranged between the driving cavity and the glue inlet cavity, so that the heating pipe is close to the glue inlet cavity and the valve body, and the heating effect of the hot melt glue is improved; 4. 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 inspection opening, so that the damage of the piston is avoided; 5. 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, so that the sealing effect between the valve body and the mounting shell is improved, and the service life is prolonged.
Drawings
FIG. 1 is an external structural view of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an embodiment of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;
FIG. 4 is an enlarged cross-sectional view of the mounting housing of the present invention;
fig. 5 is an enlarged cross-sectional view of the valve body of the present invention.
In the figure: 1. mounting a shell; 2. spraying a glue cavity; 3. a drive chamber; 4. a glue inlet cavity; 5. a valve body; 6. a pneumatic chamber; 7. a glue cavity; 8. an air inlet groove; 9. a glue inlet groove; 10. an air inlet; 11. an air inlet; 12. a glue inlet hole; 13. a glue inlet; 14. a seal ring; 15. a lower sealing cover; 16. a piston; 17. a valve stem; 18. a glue outlet port; 19. a driven device; 20. an active device; 21. a drive shaft; 22. a joint; 23. heating a tube; 24. a first bearing; 25. a clamping groove; 26. a clamp spring; 27. an upper cover; 28. a second bearing; 29. mounting grooves; 30. installing a threaded hole; 31. a transition chamber; 32. a transition groove; 33. a transition hole; 34. an inspection opening; 35. a connecting bolt; 36. a third bearing; 37. an adjusting screw; 38. adjusting the spring; 39. heating the hole; 40. a temperature sensing probe; 41. a panel; 42. a placement groove; 43. a filter screen head; 44. a filter screen bracket.
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 hot melt adhesive rotary spray gun as shown in fig. 1 to 5 comprises a mounting shell 1, wherein an upper cover 27 is arranged at the top of the mounting shell 1, an installation groove 29 which is recessed inwards is arranged on the side wall of one side of the mounting shell 1, and an installation threaded hole 30 is arranged at the bottom of the installation groove 29; the installation shell 1 is internally provided with a glue spraying cavity 2, a driving cavity 3 communicated with the glue spraying cavity 2 and a glue inlet cavity 4.
A valve body 5 is arranged in the glue spraying cavity 2 of the mounting shell 1, a first bearing 24 is sleeved between the upper end and the lower end of the valve body 5 and the glue spraying cavity 2 of the mounting shell 1, the first bearing 24 at the upper end of the valve body 5 is axially limited with the driven gear 19 through the inner wall of the mounting shell 1, a clamping groove 25 is arranged at the bottom of the outer ring of the valve body 5, a clamp spring 26 is arranged in the clamping groove 25, and the first bearing 24 at the lower end of the valve body 5 is axially limited with the clamp spring 26 through the lower end face of the mounting shell 1; the lower end of the valve body 5 is provided with a lower sealing cover 15, the top of the valve body 5 is fixed with a driven device 19, the driven device 19 is fixed on the upper end face of the valve body 5 through a connecting bolt 35, a third bearing 36 is sleeved between the lower end side wall of the driven device 19 and the mounting shell 1, an adjusting screw 37 is arranged in the driven device 19, the upper end of the adjusting screw 37 penetrates through the upper cover 27 and extends to the outer side of the mounting shell 1, and an adjusting spring 38 is arranged between the adjusting screw 37 and the upper end of the piston 16; be equipped with the drive arrangement 20 of being connected with driven device 19 transmission in the drive chamber 3 of installation shell 1, adopt gear drive or worm gear transmission between driven device 19 and the drive arrangement 20, be equipped with drive shaft 21 on the drive arrangement 20, drive shaft 21 passes upper cover 27 and extends to the installation shell 1 outside, drive shaft 21 is equipped with second bearing 28 in drive arrangement 20 both sides respectively and upper cover 27, between the installation shell 1, connect the power supply on the drive shaft 21, drive shaft 21 passes through driven device 19, drive arrangement 20 and drives valve body 5 and lower closing cap 15 and rotate.
The pneumatic valve is characterized in that a pneumatic cavity 6, a transition cavity 31 and a glue solution cavity 7 are sequentially arranged in the valve body 5 from top to bottom, an air inlet groove 8, a glue inlet groove 9 and a glue inlet groove 9 are arranged on the outer wall of the valve body 5, and the air inlet groove 8, the glue inlet groove 9 and the transition groove 32 are all annular grooves; an air inlet 10 communicated with the pneumatic cavity 6 is arranged on the air inlet groove 8, and an air inlet 11 is arranged on the mounting shell 1 opposite to the air inlet groove 8; a transition hole 33 communicated with the transition cavity 31 is formed in the transition groove 32, an inspection opening 34 is formed in the installation shell 1 opposite to the transition groove 32, and the inspection opening 34 is arranged in the installation groove 29; a glue inlet hole 12 communicated with the glue solution cavity 7 is formed in the glue inlet groove 9, and a glue inlet 13 is formed in the mounting shell 1 between the glue inlet cavity 4 and the glue inlet groove 9; the air inlet groove 8, the glue inlet groove 9 and the transition groove 32 are respectively provided with four air inlet holes 10, glue inlet holes 12 and transition holes 33; sealing rings 14 are sleeved on the upper side and the lower side of the air inlet groove 8 and the rubber inlet groove 9 on the outer wall of the valve body 5, and placing grooves 42 are formed in the inner wall of the driving cavity 3 of the mounting shell 1 and opposite to the sealing rings 14; the transition groove 32 is arranged between the sealing ring 14 on the lower side of the air inlet groove 8 and the sealing ring 14 on the upper side of the glue inlet groove 9 on the outer wall of the valve body 5; the inner cavity of the lower sealing cover 15 is communicated with the glue solution cavity 7 of the valve body 5, the valve body 5 is provided with a piston 16 in the pneumatic cavity 6, the lower end of the piston 16 is provided with a valve rod 17, and the end part of the valve rod 17 extends into the glue solution cavity 7 and is abutted to the glue outlet port 18 of the lower sealing cover 15.
The drive chamber 3 sets up respectively in spouting two lower both sides in gluey chamber 2 with advancing gluey chamber 4, installation shell 1 is equipped with a plurality of heated hole 39, a plurality of between drive chamber 3 and advancing gluey chamber 4 all be equipped with heating pipe 23 in the heated hole 39, still be equipped with the temperature sensing probe 40 that is used for detecting the temperature in the installation shell 1, both sides all are equipped with panel 41 around heated hole 39 in installation shell 1.
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 invention as set forth in the claims.
Claims (10)
1. A hot melt adhesive rotary spray gun, comprising an installation casing (1), characterized in that: a glue spraying cavity (2), a driving cavity (3) communicated with the glue spraying cavity (2) and a glue inlet cavity (4) are arranged in the mounting shell (1); be equipped with valve body (5) in spouting gluey chamber (2) of installation shell (1), the upper and lower both ends of valve body (5) and the gluey chamber (2) of spouting of installation shell (1) are overlapped and are equipped with first bearing (24), the lower extreme of valve body (5) is equipped with lower closing cap (15), the top of valve body (5) is fixed with slave unit (19), be equipped with in drive chamber (3) of installation shell (1) initiative device (20) of being connected with slave unit (19) transmission, be equipped with drive shaft (21) on initiative device (20), connect the power supply on drive shaft (21), drive shaft (21) drive valve body (5) and lower closing cap (15) rotation through slave unit (19), initiative device (20).
2. The hot melt adhesive rotary spray gun of claim 1, wherein: the pneumatic glue injection valve is characterized in that a pneumatic cavity (6), a transition cavity (31) and a glue liquid cavity (7) are sequentially arranged in the valve body (5) from top to bottom, and an air inlet groove (8), a glue inlet groove (9) and a glue inlet groove (9) are formed in the outer wall of the valve body (5); an air inlet hole (10) communicated with the pneumatic cavity (6) is formed in the air inlet groove (8), and an air inlet (11) is formed in the mounting shell (1) and corresponds to the air inlet groove (8); a transition hole (33) communicated with the transition cavity (31) is formed in the transition groove (32), and an inspection opening (34) is formed in the mounting shell (1) relative to the transition groove (32); a glue inlet hole (12) communicated with the glue liquid cavity (7) is formed in the glue inlet groove (9), and a glue inlet (13) is formed in the mounting shell (1) between the glue inlet cavity (4) and the glue inlet groove (9); sealing rings (14) are sleeved on the upper side and the lower side of the air inlet groove (8) and the glue inlet groove (9) on the outer wall of the valve body (5), and placing grooves (42) are formed in the inner wall of the driving cavity (3) of the mounting shell (1) and opposite to the sealing rings (14); the transition groove (32) is arranged between a sealing ring (14) on the lower side of the air inlet groove (8) and a sealing ring (14) on the upper side of the glue inlet groove (9) on the outer wall of the valve body (5); the inner cavity of the lower sealing cover (15) is communicated with the glue liquid cavity (7) of the valve body (5), the valve body (5) is provided with a piston (16) in the pneumatic cavity (6), the lower end of the piston (16) is provided with a valve rod (17), and the end part of the valve rod (17) extends into the glue liquid cavity (7) and is abutted to a glue outlet port (18) of the lower sealing cover (15).
3. The hot melt adhesive rotary spray gun of claim 2, wherein: the air inlet groove (8), the glue inlet groove (9) and the transition groove (32) are all annular grooves, and the air inlet groove (8), the glue inlet groove (9) and the transition groove (32) are respectively provided with four air inlets (10), a glue inlet hole (12) and a transition hole (33).
4. The hot melt adhesive rotary spray gun of claim 1, wherein: first bearing (24) of valve body (5) upper end is spacing through installation shell (1) inner wall and driven gear (19) axial, valve body (5) outer lane bottom is equipped with joint groove (25), be equipped with jump ring (26) in joint groove (25), terminal surface and jump ring (26) axial are spacing under first bearing (24) of valve body (5) lower extreme through installation shell (1).
5. The hot melt adhesive rotary spray gun of claim 1, wherein: and a gear transmission or a worm and gear transmission is adopted between the driven device (19) and the driving device (20).
6. The hot melt adhesive rotary spray gun of claim 1, wherein: driven device (19) are fixed in the upper end terminal surface of valve body (5) through connecting bolt (35), the cover is equipped with third bearing (36) between the lower extreme lateral wall of driven device (19) and installation shell (1), be equipped with adjusting screw (37) in driven device (19), upper end of adjusting screw (37) is passed upper cover (27) and is extended to the installation shell (1) outside, be equipped with between the upper end of adjusting screw (37) and piston (16) regulating spring (38).
7. The hot melt adhesive rotary spray gun of claim 1, wherein: the top of installation shell (1) is equipped with upper cover (27), drive shaft (21) pass upper cover (27) and extend to the installation shell (1) outside, drive shaft (21) are equipped with second bearing (28) between initiative device (20) both sides respectively and upper cover (27), installation shell (1).
8. The hot melt adhesive rotary spray gun of claim 2, wherein: be equipped with on one side lateral wall of installation shell (1) toward interior sunken mounting groove (29), the bottom of mounting groove (29) is equipped with installation screw hole (30), inspection opening (34) set up in mounting groove (29).
9. The hot melt adhesive rotary spray gun of claim 1, wherein: install shell (1) and be fixed with joint (22) advancing the port department of gluing chamber (4), the hot melt adhesive enters into through joint (22) and glues chamber (4) in, what install shell (1) advances to glue chamber (4) in be equipped with filter screen head (43), filter screen support (44) for advancing gluey mouth (13) department.
10. The hot melt adhesive rotary spray gun of claim 1, wherein: drive chamber (3) and advance gluey chamber (4) and set up respectively in two lower both sides of spouting gluey chamber (2), installation shell (1) is equipped with a plurality of heating hole (39) between drive chamber (3) and advance gluey chamber (4), a plurality of all be equipped with heating pipe (23) in heating hole (39), still be equipped with temperature sensing probe (40) that are used for detecting installation shell (1) internal temperature in installation shell (1), both sides all are equipped with panel (41) around heating hole (39) in installation shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111092449.1A CN113769986A (en) | 2021-09-17 | 2021-09-17 | Hot melt adhesive rotary spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111092449.1A CN113769986A (en) | 2021-09-17 | 2021-09-17 | Hot melt adhesive rotary spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113769986A true CN113769986A (en) | 2021-12-10 |
Family
ID=78851654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111092449.1A Withdrawn CN113769986A (en) | 2021-09-17 | 2021-09-17 | Hot melt adhesive rotary spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113769986A (en) |
-
2021
- 2021-09-17 CN CN202111092449.1A patent/CN113769986A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20211210 |
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| WW01 | Invention patent application withdrawn after publication |