CN103331238A - Valve needle and valve needle sleeve friction pair structure for glue injection gun special for low pressure glue injection machine - Google Patents
Valve needle and valve needle sleeve friction pair structure for glue injection gun special for low pressure glue injection machine Download PDFInfo
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- CN103331238A CN103331238A CN2013103126454A CN201310312645A CN103331238A CN 103331238 A CN103331238 A CN 103331238A CN 2013103126454 A CN2013103126454 A CN 2013103126454A CN 201310312645 A CN201310312645 A CN 201310312645A CN 103331238 A CN103331238 A CN 103331238A
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- injection machine
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Abstract
The invention discloses a valve needle and valve needle sleeve friction pair structure for a glue injection gun special for a low pressure glue injection machine. A valve needle and a valve needle sleeve are arranged in a glue injection gun body; the glue injection gun body comprises a gun body, a gun nozzle at the front end of the gun body, and a cylinder at the tail end of the gun body; the cylinder is fixed to a cylinder fixing plate through connecting screws; the cylinder fixing plate is connected with the gun body through a guide post; a valve needle seat is arranged between the gun body and the cylinder fixing plate, and is fixed to a piston rod of the cylinder; the front end of the valve needle is matched with the gun nozzle and pressed against the gun nozzle; the tail end of the valve needle is matched and fixed with the valve needle seat; the tail end of the gun body is provided with a plug; a gasket is arranged at the front end of the plug; and the valve needle sleeve is pressed to the gun body through the gasket. According to the valve needle and valve needle sleeve friction pair structure, the machining difficulty is reduced, the machining accuracy is improved, the form and location tolerance is ensured, the wear resistance is improved, the service life of the glue injection gun is prolonged and the glue injection gun is convenient to maintain.
Description
Technical field
The present invention relates to the glue-injection machine field, particularly relate to needle and the needle cover friction pair structure of the special-purpose colloid-injecting gun of a kind of low-pressure glue-injection machine.
Background technology
The colloid-injecting gun of the low-pressure glue-injection machine that uses on the present market (comprising the import low-pressure glue-injection machine), the method of machining is directly used in employing on the rifle body, make needle hole and needle movingly, increase the O RunddichtringO simultaneously and seal, prevent that glue from leaking glue from the gap movingly in needle and hole.It is big that this method exists difficulty of processing, is not easy to guarantee to process fineness and precision and corresponding dimensional tolerance and the form and position tolerance of back mating holes, and also method raising of the case hardness in hole simultaneously influences wearability.Needle and rifle body are worn and torn easily, and colloid-injecting gun is shorter service life, and can't keep in repair and repair the glue rifle that can only more renew.Cause the increase of use cost.
Summary of the invention
The technical problem that the present invention mainly solves provides needle and the needle cover friction pair structure of the special-purpose colloid-injecting gun of a kind of low-pressure glue-injection machine, and that the needle of the special-purpose colloid-injecting gun of this low-pressure glue-injection machine and needle cover friction pair structure have is applied widely, sealing is effective, good product quality, raw material availability height, take full advantage of characteristics of resources.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: needle and needle cover friction pair structure that the special-purpose colloid-injecting gun of a kind of low-pressure glue-injection machine is provided, described needle and needle are set on the colloid-injecting gun body interior, described colloid-injecting gun body comprises the rifle body, the cylinder of the rifle mouth of rifle body front end and rifle body tail end, described cylinder is fixed on the air cylinder fixed plate by connecting screw, described air cylinder fixed plate is connected with the rifle body by guide pillar, also be provided with the needle seat between described rifle body and the air cylinder fixed plate, described needle seat is fixed on the piston rod of cylinder, the front end of described needle cooperates with the rifle mouth and withstands on the rifle mouth, the tail end of described needle cooperates fixing with the needle seat, described rifle body tail end also is provided with a plug, the plug front end also is provided with a pad, and described pad is pressed to the needle cover on the rifle body.
In a preferred embodiment of the present invention, described needle cover front end and rifle body contact position are provided with needle cover sealing ring.
In a preferred embodiment of the present invention, described needle cover tail end and needle contact position are provided with needle cover sealing ring.
In a preferred embodiment of the present invention, be provided with a thimble in the described needle.
In a preferred embodiment of the present invention, be provided with the fixedly connection screw of usefulness in the described guide pillar.
In a preferred embodiment of the present invention, also be provided with thermal insulation board between described cylinder and the air cylinder fixed plate.
In a preferred embodiment of the present invention, described rifle body is provided with the glue-feeder that is connected with needle.
In a preferred embodiment of the present invention, described cylinder top is provided with cylinder air inlet.
In a preferred embodiment of the present invention, described needle adopts the Sks9 alloy tool steel to make.
In a preferred embodiment of the present invention, described needle cover adopts the senior nitrogenize steel of 38Crmoala to make.
The invention has the beneficial effects as follows: the present invention adopts the method for needle and needle cover sliding friction pair, has reduced difficulty of processing, has improved machining accuracy, has guaranteed form and position tolerance, has improved wearability, has improved the service life of colloid-injecting gun, and easy to maintenance.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings, wherein:
Fig. 1 is the needle of the special-purpose colloid-injecting gun of a preferred embodiment low-pressure glue-injection machine of the present invention and the structural representation of needle cover friction pair structure;
The mark of each parts is as follows in the accompanying drawing: 1, needle, 2, the needle cover, 3, the rifle body, 4, rifle mouth, 5, cylinder, 6, connect screw, 7, air cylinder fixed plate, 8, guide pillar, 9, the needle seat, 10, plug, 11, pad, 12, needle cover sealing ring, 13, thermal insulation board, 14, glue-feeder, 15, cylinder air inlet.
The specific embodiment
To the technical scheme in the embodiment of the invention be clearly and completely described below, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making all other embodiment that obtain under the creative work prerequisite.
The needle of the special-purpose colloid-injecting gun of a kind of low-pressure glue-injection machine and needle cover friction pair structure, needle and the needle cover friction pair structure of the special-purpose colloid-injecting gun of a kind of low-pressure glue-injection machine are provided, as shown in Figure 1, described needle 1 and needle cover 2 are arranged on the colloid-injecting gun body interior, described colloid-injecting gun body comprises rifle body 3, the cylinder 5 of the rifle mouth 4 of rifle body 3 front ends and rifle body 3 tail ends, described cylinder 5 is fixed on the air cylinder fixed plate 7 by connecting screw 6, described air cylinder fixed plate 7 is connected with rifle body 3 by guide pillar 8, also be provided with needle seat 9 between described rifle body 3 and the air cylinder fixed plate 7, described needle seat 9 is fixed on the piston rod of cylinder, the front end of described needle 1 cooperates with rifle mouth 4 and withstands on the rifle mouth 4, the tail end of described needle 1 cooperates fixing with needle seat 9, described rifle body 3 tail ends also are provided with a plug 10, plug 10 front ends also are provided with a pad 11, and described pad 11 is pressed to needle cover 9 on the rifle body 3.
Described needle overlaps 2 front ends and rifle body 3 contact positions are provided with needle cover sealing ring 12, and described needle overlaps 2 tail ends and needle 1 contact position is provided with needle cover sealing ring 12.
Be provided with the fixedly connection screw 6 of usefulness in the described guide pillar 8.
Also be provided with thermal insulation board 13 between described cylinder 5 and the air cylinder fixed plate 7.
Described rifle body 3 is provided with the glue-feeder 14 that is connected with needle 1.
Described cylinder 5 tops are provided with cylinder air inlet 15.
Described needle 1 adopts the Sks9 alloy tool steel to make.
Described needle cover 2 adopts the senior nitrogenize steel of 38Crmoala to make.
The present invention adopts the method for needle and needle cover sliding friction pair, not only reduced the difficulty of processing, improved machining accuracy, guaranteed form and position tolerance, the needle cover adopts 38Crmoala, needle adopts Sks9, through after the Technology for Heating Processing, case hardness has reached HRC62-65, greatly improved wearability, needle and needle cover adopt Precision Machining, the fit clearance of friction pair to reach " interference fits " precision respectively, even do not adopt the O RunddichtringO equally can seal the seepage of glue yet, reach the effect of " clearance seal ", thereby leaked the glue phenomenon if wearing and tearing take place in long-term use the service life of greatly having improved colloid-injecting gun, only need the sliding friction pair that more transducer set is new can solve convenient for maintaining.
The beneficial effect of the needle of the special-purpose colloid-injecting gun of low-pressure glue-injection machine of the present invention and needle cover friction pair structure is: the present invention adopts the method for needle and needle cover sliding friction pair, reduced difficulty of processing, improved machining accuracy, guaranteed form and position tolerance, improved wearability, improved the service life of colloid-injecting gun, and easy to maintenance.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes description of the present invention to do; or directly or indirectly be used in other relevant technical field, all in like manner be included in the scope of patent protection of the present invention.
Claims (8)
1. the needle of the special-purpose colloid-injecting gun of low-pressure glue-injection machine and needle overlap the friction pair structure, it is characterized in that, described needle and needle are set on the colloid-injecting gun body interior, described colloid-injecting gun body comprises the rifle body, the cylinder of the rifle mouth of rifle body front end and rifle body tail end, described cylinder is fixed on the air cylinder fixed plate by connecting screw, described air cylinder fixed plate is connected with the rifle body by guide pillar, also be provided with the needle seat between described rifle body and the air cylinder fixed plate, described needle seat is fixed on the piston rod of cylinder, the front end of described needle cooperates with the rifle mouth and withstands on the rifle mouth, the tail end of described needle cooperates fixing with the needle seat, described rifle body tail end also is provided with a plug, the plug front end also is provided with a pad, and described pad is pressed to the needle cover on the rifle body.
2. the needle of the special-purpose colloid-injecting gun of low-pressure glue-injection machine according to claim 1 and needle overlap the friction pair structure, it is characterized in that: described needle cover front end and rifle body contact position are provided with needle cover sealing ring.
3. the needle of the special-purpose colloid-injecting gun of low-pressure glue-injection machine according to claim 1 and needle overlap the friction pair structure, it is characterized in that: described needle cover tail end and needle contact position are provided with needle cover sealing ring.
4. the needle of the special-purpose colloid-injecting gun of low-pressure glue-injection machine according to claim 1 and needle cover friction pair structure is characterized in that: be provided with the fixedly connection screw of usefulness in the described guide pillar.
5. the needle of the special-purpose colloid-injecting gun of low-pressure glue-injection machine according to claim 1 and needle cover friction pair structure is characterized in that: also be provided with thermal insulation board between described cylinder and the air cylinder fixed plate.
6. the needle of the special-purpose colloid-injecting gun of low-pressure glue-injection machine according to claim 1 and needle overlap the friction pair structure, and it is characterized in that: described rifle body is provided with the glue-feeder that is connected with needle.
7. the needle of the special-purpose colloid-injecting gun of low-pressure glue-injection machine according to claim 1 and needle cover friction pair structure is characterized in that: be provided with cylinder air inlet above the described cylinder
The needle of the special-purpose colloid-injecting gun of low-pressure glue-injection machine according to claim 1 and needle cover friction pair structure, it is characterized in that: described needle adopts the Sks9 alloy tool steel to make.
8. the needle of the special-purpose colloid-injecting gun of low-pressure glue-injection machine according to claim 1 and needle overlap the friction pair structure, it is characterized in that: described needle cover adopts the senior nitrogenize steel of 38Crmoala to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103126454A CN103331238A (en) | 2013-07-24 | 2013-07-24 | Valve needle and valve needle sleeve friction pair structure for glue injection gun special for low pressure glue injection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103126454A CN103331238A (en) | 2013-07-24 | 2013-07-24 | Valve needle and valve needle sleeve friction pair structure for glue injection gun special for low pressure glue injection machine |
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| CN103331238A true CN103331238A (en) | 2013-10-02 |
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| CN2013103126454A Pending CN103331238A (en) | 2013-07-24 | 2013-07-24 | Valve needle and valve needle sleeve friction pair structure for glue injection gun special for low pressure glue injection machine |
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| CN (1) | CN103331238A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020155687A1 (en) * | 2019-01-31 | 2020-08-06 | 南京苏上涂胶技术有限公司 | Manual adhesive gun |
| CN112827751A (en) * | 2020-12-31 | 2021-05-25 | 南京理工大学 | Pure-mechanism sealed glue injection device and method |
| CN113320099A (en) * | 2021-07-07 | 2021-08-31 | 广东柳道热流道系统有限公司 | Anti-leakage single valve nozzle |
| CN113814129A (en) * | 2021-10-17 | 2021-12-21 | 苏州康尼格电子科技股份有限公司 | Hot runner glue gun |
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| JP2000126662A (en) * | 1998-10-27 | 2000-05-09 | Yamaha Motor Co Ltd | Coating agent feeding part structure of dispenser |
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2013
- 2013-07-24 CN CN2013103126454A patent/CN103331238A/en active Pending
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| JP2000126662A (en) * | 1998-10-27 | 2000-05-09 | Yamaha Motor Co Ltd | Coating agent feeding part structure of dispenser |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020155687A1 (en) * | 2019-01-31 | 2020-08-06 | 南京苏上涂胶技术有限公司 | Manual adhesive gun |
| CN112827751A (en) * | 2020-12-31 | 2021-05-25 | 南京理工大学 | Pure-mechanism sealed glue injection device and method |
| CN113320099A (en) * | 2021-07-07 | 2021-08-31 | 广东柳道热流道系统有限公司 | Anti-leakage single valve nozzle |
| CN113814129A (en) * | 2021-10-17 | 2021-12-21 | 苏州康尼格电子科技股份有限公司 | Hot runner glue gun |
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| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhu Jianxiao Inventor before: Zhu Jianxiao Inventor before: Shen Yang |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHU JIANXIAO SHEN YANG TO: ZHU JIANXIAO |
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| CB02 | Change of applicant information |
Address after: 215500, 1, Guanghua Road, No. 22, Xinzhuang Town, Suzhou, Jiangsu, Changshou City Applicant after: SUZHOU KONIG ELECTRONIC TECHNOLOGY CO., LTD. Address before: 215500, 1, Guanghua Road, No. 22, Xinzhuang Town, Suzhou, Jiangsu, Changshou City Applicant before: Changshu Konig Technologies Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20131002 |