CN202753343U - Foam molding material gun - Google Patents
Foam molding material gun Download PDFInfo
- Publication number
- CN202753343U CN202753343U CN 201220462782 CN201220462782U CN202753343U CN 202753343 U CN202753343 U CN 202753343U CN 201220462782 CN201220462782 CN 201220462782 CN 201220462782 U CN201220462782 U CN 201220462782U CN 202753343 U CN202753343 U CN 202753343U
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- Prior art keywords
- piston cylinder
- foam molding
- rifle
- gas blow
- spray gun
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- Expired - Fee Related
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Abstract
The utility model discloses a foam molding material gun which comprises a piston, a piston cylinder, a rear end cover, a gun body, a material inlet pipe, a connection rod and an air blowing pipe, wherein one end of the piston cylinder is connected at one end of the gun body, the rear end cover is mounted at the other end of the piston cylinder and provided with a gun closing air inlet, the air blowing pipe is arranged at the other end of the gun body and communicated with the piston cylinder, the piston in the piston cylinder is connected with a gun head on the position of an outlet of the air blowing pipe through the connection rod, the material inlet pipe is sleeved outside the air blowing pipe and connected with the gun body, an outlet of the material inlet pipe is identical to the gun head in size, and the gun body is respectively provided with an air inlet communicated with the air blowing pipe and a material inlet communicated with the material inlet pipe. The foam molding material gun is simple in structure, convenient to operate and maintain, adjustable in negative pressure in the gun, capable of being applied to using requirements of various manufacturing techniques and moulds, and capable of improving rate of finished products; the foam molding material gun is further provided with good impact resistance, and service life is prolonged to 8-10 years.
Description
Technical field
The utility model belongs to the plastic shaping field, is specifically related to the special-purpose spray gun of a kind of foam molding.
Background technology
Existing foam molding spray gun (as shown in Figure 1) has three and plays respectively shooting, pan feeding, close the air inlet (7 of rifle effect, 10,17), its course of work is that Compressed Gas enters piston cylinder 4 from shooting air inlet 7, pushing piston 2, driving gas blow pipe 12 by connecting rod 3 is moved to the left, and separate with rifle head 14, be pressed into compressed air from pan feeding air inlet 10 again, compressed air enters gas blow pipe 12, and between gas blow pipe 12 and gun barrel 11, produce negative pressure, foam raw material is inhaled in gun barrel 11 and gas blow pipe 12 gaps by feeding mouth 16, and enter mould, when closing rifle, be pressed into compressed air by closing rifle air inlet 17, pushing piston 2 moves right, and be with gas blow pipe 12 to move right, gas blow pipe 12 is contacted with rifle head 14, thereby close the path of pan feeding.There is following shortcoming in this foam molding spray gun: 1, three air inlets of needs just can be finished the work; 2, negative pressure is definite value in the feed pipe, can't regulate, and can not satisfy the needs of different foam plastic raw materials and different foam mould of plastics.
The utility model content
The purpose of this utility model is the defects that solves existing foam molding spray gun, and a kind of simple in structure, easy to operate, foam molding spray gun that negative pressure is adjustable is provided.
The technical scheme that the above-mentioned purpose that realizes the utility model adopts is as follows:
A kind of foam molding spray gun, it comprises piston 202, piston cylinder 203, rear end cap 201, rifle body 214, feed pipe 209, connecting rod 208, gas blow pipe 207, one end of piston cylinder 203 is connected on the end of rifle body 214, the other end of piston cylinder is equipped with rear end cap 201, relevant rifle air inlet 216 is set on the rear end cap 201, its characteristics are: gas blow pipe 207 is arranged on the other end of rifle body 214, gas blow pipe 207 communicates with piston cylinder 203, and the piston 202 in the piston cylinder 203 is connected with the rifle head 210 in gas blow pipe 207 exits by connecting rod 208; Feed pipe 209 is enclosed within outside the gas blow pipe 207 and with rifle body 214 and is connected, and the size of the outlet of feed pipe 209 and rifle head 210 matches; Be respectively equipped with the air inlet 206 that communicates with gas blow pipe 207 and the charging aperture 215 that communicates with feed pipe 209 at rifle body 214.
Further, described piston cylinder 203 is flexibly connected with rifle body 214.
Further, described piston cylinder 203 is threaded connection with rifle body 214, and with also cap 204 is fastening.
Further, between piston cylinder 203 and rifle body 214, be lined with for the O type circle 205 that seals.
Further, there is the space between rifle head 210 and gas blow pipe 207 tube walls.
Further, be connected with ring plate 211 in the outlet of gas blow pipe 207, described ring plate 211 and rifle head 210 close contacts have several ventholes in ring plate 211.
Further, connecting rod 208 adopts with rifle head 210 and is threaded.
Further, feed pipe 209 adopts welding with rifle body 214 or is threaded.
Further, the outlet of feed pipe 209 also is connected with discharge head 213, is lined with y-type seal ring 212 between feed pipe 209 and discharge head 213.
Beneficial effect: the utility model is by communicating gas blow pipe with piston cylinder, and the rifle head on the connecting rod, making spray gun only need two air inlets can finish original spray gun needs three air inlets could realize closing the function of rifle, shooting, charging, and structure is more simple, operates, keeps in repair all more convenient; By rotary piston cylinder, increase or reduce the air chamber size, and then change the feed pipe vacuum magnitude, feed rate can be regulated rapidly, thereby the requirement of various processes and mould can be suitable for, improve yield rate; The utlity model has good impact resistance, spray gun is increased to 8～10 years service life.
Description of drawings
The structural representation of the existing foam molding spray gun of Fig. 1.
The structural representation of Fig. 2 the utility model foam molding spray gun.
Among the figure, 1-rear end cap, 2-piston, 3-connecting rod, 4-piston cylinder, 5-drive end bearing bracket, 6-swivel joint, the 7-air inlet of shooting, the 8-gland, 9-nut, 10-pan feeding air inlet, 11-gun barrel, the 12-gas blow pipe, 13-O type circle, 14-rifle head, 15-O type packing ring, the 16-feeding mouth, 17-closes rifle air inlet, 18-rifle body, 201-rear end cap, the 202-piston, 203-piston cylinder, 204-and cap, (205,218)-O type circle, the 206-air inlet, 207-gas blow pipe, 208-connecting rod, 209-feed pipe, 210-rifle head, 211-ring plate, 212-Y RunddichtringO, the 213-discharge head, 214-rifle body, 215-charging aperture, 216-closes rifle air inlet, 217-nut, 219-piston ring.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in further details.
As shown in Figure 1, piston cylinder 4 and the gun barrel 11 of existing foam molding spray gun are isolated into two air chambers by rifle body 18, place gas blow pipe 12 1 ends in the gun barrel 11 to be fixed on the connecting rod 3, inject Compressed Gas to the shooting air inlet 7 of piston cylinder 4 or the pass rifle air inlet of rear end cap 1, make gas blow pipe 12 and rifle head 4 open or close.When spray gun is opened, inject Compressed Gas by the pan feeding air inlet 10 on the rifle body 18 again, thereby between gun barrel 11 and gas blow pipe 12, produce negative pressure, absorb foam materials.The design of this gas blow pipe 12 and rifle head, causing finishes the work must three air inlets.
The utility model is by improving existing foam molding spray gun structure, thereby at rifle body 214 air inlet 206 can realize simultaneously shooting function with pan feeding is set.
Foam molding spray gun of the present utility model has following structure:
Piston cylinder 203 adopts with rifle body 214 and is flexibly connected, and preferably an end of piston cylinder 203 is threaded connection on an end of rifle body 214, and piston cylinder 203 by also cap 204 is fastening, is lined with the O type circle 205 for sealing again between piston cylinder 203 and the rifle 214;
The other end of piston cylinder 203 is equipped with rear end cap 201, and relevant rifle air inlet 216 is set on the rear end cap 201, and piston cylinder 203 is threaded with rear end cap 201 employings and seals with O type circle 218;
The other end at rifle body 214 is provided with gas blow pipe 207, gas blow pipe 207 communicates with piston cylinder 203, piston 202 in the piston cylinder 203 is connected with the rifle head 210 in gas blow pipe 207 exits by connecting rod 208, the piston ring 219 that cover is improved sealing and reduces friction on the piston 202, the diameter of rifle head 210 is slightly less than the internal diameter (making the space that has 1～5mm between rifle head 210 and gas blow pipe 207 tube walls) of gas blow pipe 207 so that gas flows out, the length of rifle head 210 should be a bit larger tham that (approximately 0.5～1cm) gas blow pipe, 207 ports of export are to the distance of feed pipe 209 ports of export, the port of export at gas blow pipe 207 is connected with ring plate 211, have several ventholes (not shown in FIG.) in ring plate 211, ring plate 211 is threaded with gas blow pipe 207, ring plate 211 other ends and rifle head 210 close contacts, make like this in the gas blow pipe 207 Compressed Gas by the venthole on the ring plate 211 out, piston 202 is fixing by nut 217 with connecting rod 208, and connecting rod 208 adopts with rifle head 210 and is threaded;
At gas blow pipe 207 these ends, also be connected with the feed pipe 209 that is enclosed within outside the gas blow pipe 207 on the rifle body 214, the outlet of feed pipe 209 is connected with discharge head 213 again, between feed pipe 209 and discharge head 213, be lined with y-type seal ring 212, the impulsive force of 210 pairs of discharge heads 213 of rifle head when y-type seal ring 212 plays sealing and buffering pass rifle, feed pipe 209 outlets are contraction-like, feed pipe 209 outlet sizes match with the terminal size of rifle head 210, and feed pipe 209 can adopt welding also can adopt with rifle body 214 and be threaded;
Be respectively equipped with the air inlet 206 that communicates with gas blow pipe 207 and the charging aperture 215 that communicates with feed pipe 209 at rifle body 214, charging aperture 215 is obliquely installed, and the angle of inclination is generally 30
0～60
0, be conducive to raw material and enter feed pipe 209.
The course of work of the utility model foam molding spray gun:
Close the rifle process: Compressed Gas enters by closing rifle air inlet 216, and under pressure, pushing piston 202 moves to rifle body 214 directions, rifle head 210 is mobile under connecting rod 208 drives, final and feed pipe 209 outlet close contacts block the path of charging, realize the pass rifle.
Shooting and fill process: Compressed Gas enters gas blow pipe 207 and piston cylinder 203 by air inlet 206, this moment is because the path of charging is closed condition (being the outlet close contact of rifle head 210 and feed pipe 209), under the Compressed Gas effect, piston 202 backward end cap 201 directions moves, thereby rifle head 210 and the outlet of feed pipe 209 are separated, after feed passageway is opened, the gap of Compressed Gas between gas blow pipe 207 and rifle head 210 constantly blows out from the venthole of ring plate 211 again, under Venturi effect, between feed pipe 209 and gas blow pipe 207, produce negative pressure, foam materials is under the suction of negative pressure, enter feed pipe 209 by charging aperture 215, blow out from discharge head 213 again.
The adjusting of charging size: the charging size is to regulate by the air pressure size in the gas blow pipe 207, concrete adjustment process is, unclamp and cap 204, rotary piston cylinder 203 to correct position is tightened and cap 204 again, regulate air chamber (space in piston cylinder 203 and the gas blow pipe 207) size, and then the size of adjusting negative pressure, as with piston cylinder 203 to inner rotary, air chamber increases, this moment, the air chamber internal pressure reduced, the gas output of ring plate 211 ventholes reduces, and then reduce negative pressure in the feed pipe 209, and the corresponding reduction of charging rate, opposite, if increase charging rate, then piston cylinder 203 inwardly should be rotated, to reduce the air chamber space, can be suitable for the needs of various processes or mould by this function, simple to operate, rapidly, and do not need to change continually different spray guns.
Claims (9)
1. foam molding spray gun, it comprises piston (202), piston cylinder (203), rear end cap (201), rifle body (214), feed pipe (209), connecting rod (208), gas blow pipe (207), one end of described piston cylinder (203) is connected on the end of rifle body (214), the other end of described piston cylinder (203) is equipped with rear end cap (201), relevant rifle air inlet (216) is set on the described rear end cap (201), it is characterized in that: described gas blow pipe (207) is arranged on the other end of rifle body (214), described gas blow pipe (207) communicates with piston cylinder (203), and the piston (202) in the piston cylinder (203) is connected with the rifle head (210) in gas blow pipe (207) exit by connecting rod (208); Described feed pipe (209) is enclosed within outside the gas blow pipe (207) and with rifle body (214) and is connected, and the size of the outlet of feed pipe (209) and rifle head (210) matches; Be respectively equipped with the air inlet (206) that communicates with gas blow pipe (207) and the charging aperture (215) that communicates with feed pipe (209) at described rifle body (214).
2. described foam molding spray gun according to claim 1, it is characterized in that: described piston cylinder (203) is flexibly connected with rifle body (214).
3. described foam molding spray gun according to claim 2, it is characterized in that: described piston cylinder (203) is threaded connection with rifle body (214), and with also cap (204) is fastening.
4. described foam molding spray gun according to claim 3 is characterized in that: be lined with the O type circle (205) for sealing between piston cylinder (203) and rifle body (214).
5. described foam molding spray gun according to claim 1 is characterized in that: have the space between rifle head (210) and gas blow pipe (207) tube wall.
6. described foam molding spray gun according to claim 1, it is characterized in that: the outlet at gas blow pipe (207) is connected with ring plate (211), and described ring plate (211) and rifle head (210) close contact have several ventholes in ring plate (211).
7. described foam molding spray gun according to claim 1, it is characterized in that: connecting rod (208) adopts with rifle head (210) and is threaded.
8. described foam molding spray gun according to claim 1, it is characterized in that: feed pipe (209) adopts welding with rifle body (214) or is threaded.
9. described foam molding spray gun according to claim 1, it is characterized in that: the outlet of feed pipe (209) also is connected with discharge head (213), is lined with y-type seal ring (212) between feed pipe (209) and discharge head (213).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220462782 CN202753343U (en) | 2012-09-12 | 2012-09-12 | Foam molding material gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220462782 CN202753343U (en) | 2012-09-12 | 2012-09-12 | Foam molding material gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202753343U true CN202753343U (en) | 2013-02-27 |
Family
ID=47732538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220462782 Expired - Fee Related CN202753343U (en) | 2012-09-12 | 2012-09-12 | Foam molding material gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202753343U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107116732A (en) * | 2017-06-21 | 2017-09-01 | 广州市风华正茂包装材料有限公司 | A kind of special load binder rifle |
| CN113117919A (en) * | 2021-04-21 | 2021-07-16 | 广东博智林机器人有限公司 | Spray gun |
| CN117944221A (en) * | 2024-03-27 | 2024-04-30 | 晋江展辉模具有限公司 | Foaming gun of filling machine |
-
2012
- 2012-09-12 CN CN 201220462782 patent/CN202753343U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107116732A (en) * | 2017-06-21 | 2017-09-01 | 广州市风华正茂包装材料有限公司 | A kind of special load binder rifle |
| CN113117919A (en) * | 2021-04-21 | 2021-07-16 | 广东博智林机器人有限公司 | Spray gun |
| CN117944221A (en) * | 2024-03-27 | 2024-04-30 | 晋江展辉模具有限公司 | Foaming gun of filling 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: 20130227 Termination date: 20140912 |
|
| EXPY | Termination of patent right or utility model |