CN201613208U - Novel plunger type glue gun - Google Patents
Novel plunger type glue gun Download PDFInfo
- Publication number
- CN201613208U CN201613208U CN2010201207425U CN201020120742U CN201613208U CN 201613208 U CN201613208 U CN 201613208U CN 2010201207425 U CN2010201207425 U CN 2010201207425U CN 201020120742 U CN201020120742 U CN 201020120742U CN 201613208 U CN201613208 U CN 201613208U
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- China
- Prior art keywords
- cylinder
- plunger
- sealing
- glue
- piston
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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.)
- Expired - Fee Related
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Abstract
A novel plunger type glue gun comprises an air cylinder and a material cylinder; a glue inlet is formed on the material cylinder; the lower end of the material cylinder is communicated with a glue outlet; a piston is arranged in the air cylinder; a pressure spring is arranged between the lower end surface of the piston and the air cylinder; the air cylinder is divided into an upper air cavity and a lower air cavity through the piston; the upper air cavity of the air cylinder is communicated with a connector of an air inlet pipe; the lower air cavity of the air cylinder is also communicated with a connector of a common vent pipe; the piston is also connected with a piston rod; the piston rod is connected with a plunger piston; the plunger piston extends downwards into a material cavity of a feeding cylinder; a sealing part is arranged in the material cylinder; the lower end of the plunger piston is matched with the sealing part; a lower concave ring is arranged on the upper end surface of the material cylinder; the plunger piston penetrates the material cylinder from the lower concave ring; a sealing gasket is arranged at the bottom of the lower concave ring; a seal ring is also arranged above the sealing gasket; a sealing screw cap screwed in the lower concave ring is also positioned above the seal ring; and the sealing gasket and the seal ring are compressed through the sealing screw cap. When the plunger piston is moved, the sealing gasket and the seal ring have the double sealing effect, and the sealing gasket and the seal ring are compressed through the sealing screw cap, so as to achieve reliable sealing effect.
Description
(1) technical field
The utility model relates to a kind of plunger type glue rifle.
(2) background technology
The glue rifle is used in the automatically dropping glue equipment more, is a kind of device that glue flows out of controlling.Common have three kinds of structures, is respectively thimble-type, plunger type, diaphragm type.Plunger type glue rifle is a switch of realizing valve by the motion of plunger, this glue rifle, and its plunger is provided with waney leading section, the end diameter is bigger, and termination medial segment diameter diminishes, when the termination of plunger is engaged in the forward sealing portion of rifle body, valve is in closed condition, and glue is plugged; When plunger travels forward and when section diameter less part in termination was matched with the forward sealing portion of rifle body, owing to have the gap between the forward sealing portion of the plunger of this moment and rifle body, glue will flow out in the gap; When plunger when the swivel motion, the termination that diameter is bigger cooperates with the forward sealing portion of rifle body again, glue is plugged, and so repeatedly, controls the Push And Release of glue.Because the frequent back and forth movement of plunger, its with the sealing contact range of rifle body can since mutually mutual friction produce wearing and tearing, of a specified duration can cause these positions to seal, and then generation leakage glue.On the other hand, because during valve closing, plunger moves backward, sizing material can be pushed backward in the termination that diameter is bigger, makes sizing material spill and enter cylinder from the back-end sealing portion of rifle body easily, and the glue rifle is damaged.
(3) summary of the invention
In order to overcome the deficiency of existing plunger type glue rifle one long leakiness glue service time, the utility model provides the better plunger type glue of a kind of sealing property rifle.
Further, the utility model provides a kind of plunger type glue rifle of avoiding glue to enter cylinder.
The technical scheme in the invention for solving the technical problem is: a kind of novel plunger-type glue rifle, comprise cylinder and be positioned at described cylinder below and connected material cylinder, described material cylinder is provided with into glue head and its material chamber UNICOM, the lower end of described material cylinder and glue-spreading head UNICOM; Be provided with piston in the described cylinder, be provided with stage clip between the lower surface of described piston and the cylinder, described piston is divided into upper gas chamber and lower air chamber with described cylinder, the upper gas chamber of described cylinder and an air inlet pipe joint UNICOM, the lower air chamber of described cylinder also with a normal open gas-tpe fitting UNICOM; Described piston also is connected with piston rod, described piston rod connects plunger, described plunger extends down in the material chamber of described material cylinder, be provided with sealing in the described material cylinder, the lower end of described plunger cooperates with described sealing, it is characterized in that: the upper surface of described material cylinder has a recessed circle, and described plunger penetrates in the described material cylinder from described recessed circle; The bottom surface of described recessed circle is provided with liner, and described liner top also has sealing ring, and the top of described sealing ring also has spiral shell to be located at the interior sealing nut of described recessed circle, and described sealing nut compresses described liner and sealing ring.
Further, described glue-spreading head is threaded with the lower end of described material cylinder; Be folded with lower sealing washer between described material cylinder and the described glue-spreading head, this lower sealing washer forms described sealing, described lower sealing washer is passed in the lower end of described plunger, and the lower end of described plunger is the expand portion of size greater than the centre bore of lower sealing washer.
Further, the described head that expands portion is tapered.
Further, described piston rod extends upwardly to outside the upper surface of described cylinder, and the upper end of described piston rod is connected with an adjustment screw, and described adjustment screw is threaded with the upper end of described cylinder.
Further, also be provided with hold-down nut on the described adjustment screw.
Further, the top of described material cylinder offers spout hole.
The utility model in use, the air pressure ejector ram of normal open gas-tpe fitting moves up, plunger below driving simultaneously upwards moves, firmly expect glue in the cylinder with the lower sealing washer fitted seal, lower sealing washer has certain deformation under the effect of the power that makes progress, make the volume in the glue-spreading head become big, and the bottom produces the power of resorption, glue is refluxed, can avoid glue to spill from glue-spreading head.When the air inlet pipe joint had the input of pulse air pressure, pulse air pressure to moving down, drove ejector ram simultaneously plunger and moves down, and broke away from lower sealing washer to form the gap, and glue just flows out downwards; When pulse air pressure finished, under the effect of normal open air pressure, plunger and lower sealing washer closely cooperated again, so repeatedly, realized the Push And Release of glue.
The beneficial effects of the utility model are: 1. plunger when motion by liner and sealing ring dual-seal, and liner and sealing ring compress by sealing nut, sealing is reliable.2. offer spout hole on the top of material cylinder, when plunger retreats,, avoid glue to enter in the cylinder if gush then and can from spout hole, discharge on the glue.3. during the plunger rollback, lower sealing washer has certain deformation under the effect of the power that makes progress, and makes the volume in the glue-spreading head become big, and the bottom produces the power of resorption, and glue is refluxed, and can avoid glue to spill from glue-spreading head.4. can come the length of pilot plunger in the material cylinder by rotating adjustment screw.
(4) description of drawings
Fig. 1 is a structural representation of the present utility model.
(5) specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
With reference to Fig. 1, a kind of novel plunger-type glue rifle comprises cylinder 1 and is positioned at described cylinder 1 below and connected material cylinder 2 that described material cylinder 2 is provided with into glue head 3 and its material chamber UNICOM, the lower end of described material cylinder 2 and glue-spreading head 4 UNICOMs.The top of described material cylinder 2 offers spout hole.
Be provided with piston 5 in the described cylinder 1, be provided with stage clip 6 between the lower surface of described piston 5 and the cylinder 1, described piston 5 is divided into upper gas chamber and lower air chamber with described cylinder 1, the upper gas chamber of described cylinder and an air inlet pipe joint 7 UNICOMs, the lower air chamber of described cylinder also with a normal open gas-tpe fitting 8 UNICOMs.
Described piston 5 also is connected with piston rod 9, and described piston rod 9 connects plunger 10, and the upper surface of described material cylinder 2 has a recessed circle, and described plunger 10 penetrates in the material chamber of described material cylinder 2 from described recessed circle.The bottom surface of described recessed circle is provided with liner 11, described liner 11 tops also have sealing ring 12, the top of described sealing ring 12 also has spiral shell to be located at the interior sealing nut 13 of described recessed circle, and described sealing nut 13 compresses described liner 11 and sealing ring 12.
In the present embodiment, described piston rod 9 extends upwardly to outside the upper surface of described cylinder 1, the upper end of described piston rod 9 is connected with an adjustment screw 14, and described adjustment screw 11 is threaded with the upper end of described cylinder 1, also is provided with hold-down nut 15 on the described adjustment screw 14.Can come the length of pilot plunger in the material cylinder by rotating adjustment screw 14.
Be provided with sealing in the described material cylinder 2, the lower end of described plunger 10 cooperates with described sealing.In the present embodiment, described glue-spreading head 4 is threaded with the lower end of described material cylinder 2, be folded with lower sealing washer 15 between described material cylinder 2 and the described glue-spreading head 4, this lower sealing washer 15 forms described sealing, described lower sealing washer 15 is passed in the lower end of described plunger 10, the lower end of described plunger 10 is the expand portion 16 of size greater than the centre bore of described lower sealing washer 15, and it is tapered that this expands the head of portion 16.
The utility model in use, the air pressure ejector ram 5 of normal open gas-tpe fitting 8 moves up, plunger 10 below driving simultaneously upwards moves, firmly expect glue in the cylinder 2 with lower sealing washer 15 fitted seal, lower sealing washer 15 has certain deformation under the effect of the power that makes progress, make the volume in the glue-spreading head 4 become big, and the bottom produces the power of resorption, glue is refluxed, can avoid glue to spill from glue-spreading head 4.When air inlet pipe joint 7 had the input of pulse air pressure, pulse air pressure to moving down, drove ejector ram 5 simultaneously plunger 10 and moves down, and broke away from lower sealing washer 15 to form the gap, and glue just flows out downwards; When pulse air pressure finished, under the effect of normal open air pressure, plunger 10 closely cooperated again with lower sealing washer 15, so repeatedly, realizes the Push And Release of glue.
Plunger 10 when motion by liner 11 and sealing ring 12 dual-seals, and liner 11 and sealing ring 12 compress by sealing nut 13, sealing is reliable.Spout hole is offered on top at material cylinder 2, when plunger 10 retreats, if gush then and can discharge from spout hole on the glue, avoids glue to enter in the cylinder 1.
Claims (6)
1. a novel plunger-type glue rifle comprises cylinder and is positioned at described cylinder below and connected material cylinder, and described material cylinder is provided with into glue head and its material chamber UNICOM, the lower end of described material cylinder and glue-spreading head UNICOM; Be provided with piston in the described cylinder, be provided with stage clip between the lower surface of described piston and the cylinder, described piston is divided into upper gas chamber and lower air chamber with described cylinder, the upper gas chamber of described cylinder and an air inlet pipe joint UNICOM, the lower air chamber of described cylinder also with a normal open gas-tpe fitting UNICOM; Described piston also is connected with piston rod, described piston rod connects plunger, described plunger extends down in the material chamber of described material cylinder, be provided with sealing in the described material cylinder, the lower end of described plunger cooperates with described sealing, it is characterized in that: the upper surface of described material cylinder has a recessed circle, and described plunger penetrates in the described material cylinder from described recessed circle; The bottom surface of described recessed circle is provided with liner, and described liner top also has sealing ring, and the top of described sealing ring also has spiral shell to be located at the interior sealing nut of described recessed circle, and described sealing nut compresses described liner and sealing ring.
2. novel plunger-type glue rifle as claimed in claim 1 is characterized in that: described glue-spreading head is threaded with the lower end of described material cylinder;
Be folded with lower sealing washer between described material cylinder and the described glue-spreading head, this lower sealing washer forms described sealing, described lower sealing washer is passed in the lower end of described plunger, and the lower end of described plunger is the expand portion of size greater than the centre bore of described lower sealing washer.
3. novel plunger-type glue rifle as claimed in claim 2 is characterized in that: the described head that expands portion is tapered.
4. as the described novel plunger-type glue of one of claim 1～3 rifle, it is characterized in that: described piston rod extends upwardly to outside the upper surface of described cylinder, the upper end of described piston rod is connected with an adjustment screw, and described adjustment screw is threaded with the upper end of described cylinder.
5. novel plunger-type glue rifle as claimed in claim 4 is characterized in that: also be provided with hold-down nut on the described adjustment screw.
6. as the described novel plunger-type glue of one of claim 1～3 rifle, it is characterized in that: the top of described material cylinder offers spout hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201207425U CN201613208U (en) | 2010-03-01 | 2010-03-01 | Novel plunger type glue gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201207425U CN201613208U (en) | 2010-03-01 | 2010-03-01 | Novel plunger type glue gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201613208U true CN201613208U (en) | 2010-10-27 |
Family
ID=42999580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201207425U Expired - Fee Related CN201613208U (en) | 2010-03-01 | 2010-03-01 | Novel plunger type glue gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201613208U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518816A (en) * | 2011-12-27 | 2012-06-27 | 江苏东禾电声配件有限公司 | Pneumatic valve special for pneumatic dual-rubber mixing and applying gun |
| CN106081252A (en) * | 2016-08-05 | 2016-11-09 | 红云红河烟草(集团)有限责任公司 | A kind of packer glue spreading apparatus |
| CN107344159A (en) * | 2016-05-06 | 2017-11-14 | 禾宝机械有限公司 | Micro-amounts of liquids injection device |
| CN110725953A (en) * | 2019-10-28 | 2020-01-24 | 江西中烟工业有限责任公司 | Combined sealing element for hot melt adhesive gun of filter rod forming machine |
-
2010
- 2010-03-01 CN CN2010201207425U patent/CN201613208U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518816A (en) * | 2011-12-27 | 2012-06-27 | 江苏东禾电声配件有限公司 | Pneumatic valve special for pneumatic dual-rubber mixing and applying gun |
| CN107344159A (en) * | 2016-05-06 | 2017-11-14 | 禾宝机械有限公司 | Micro-amounts of liquids injection device |
| CN106081252A (en) * | 2016-08-05 | 2016-11-09 | 红云红河烟草(集团)有限责任公司 | A kind of packer glue spreading apparatus |
| CN110725953A (en) * | 2019-10-28 | 2020-01-24 | 江西中烟工业有限责任公司 | Combined sealing element for hot melt adhesive gun of filter rod forming machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101027 Termination date: 20140301 |