CN110918560A - Controllable circulation self-cleaning pneumatic tool - Google Patents
Controllable circulation self-cleaning pneumatic tool Download PDFInfo
- Publication number
- CN110918560A CN110918560A CN201911147962.9A CN201911147962A CN110918560A CN 110918560 A CN110918560 A CN 110918560A CN 201911147962 A CN201911147962 A CN 201911147962A CN 110918560 A CN110918560 A CN 110918560A
- Authority
- CN
- China
- Prior art keywords
- air
- piston
- piston rod
- cavity
- rod
- Prior art date
- 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.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 18
- 238000007664 blowing Methods 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000004378 air conditioning Methods 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 4
- 239000000428 dust Substances 0.000 abstract description 2
- 238000010926 purge Methods 0.000 description 7
- 238000010008 shearing Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
Landscapes
- Portable Nailing Machines And Staplers (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a controllable circulating self-cleaning pneumatic tool, which comprises a body and a pneumatic functional head, wherein the body is provided with a cylinder, the cylinder is divided into a front cavity and a rear cavity by a piston, and the body is also provided with an air inlet channel and an air outlet channel; the trigger is arranged on the body and controls the change-over valve through the air valve ejector rod; the front end of the piston is provided with a piston rod, the middle section of the piston rod is a hollow section, and a piston rod air blowing opening, a piston rod air inlet and a piston rod communication hole are formed in the hollow section; the air blowing port of the piston rod is matched with the pneumatic functional head; the invention adds a mechanism for introducing gas source pressure gas, thereby effectively blowing dust and cleaning external moving parts, ensuring the moving parts to operate reliably, reducing abrasion and prolonging the service life.
Description
Technical Field
The invention relates to a pneumatic tool, in particular to a controllable circulating self-cleaning pneumatic tool.
Background
The existing pneumatic tools such as a pneumatic buckle gun, a pneumatic anchor net connecting machine, a pneumatic nail gun, a pneumatic shearing pliers and the like do not have or have moving parts exposed by utilizing gas in an exhaust cavity, and the moving parts accumulate sludge and pollutants in the moving parts in occasions with poor working environments, such as long-term use of the pneumatic tools for roadway anchor net connecting operation, if effective cleaning cannot be achieved, the running effect of a mechanism is influenced, the abrasion of the moving parts is increased, and the service life of the moving parts is shortened.
Disclosure of Invention
The invention aims to provide a pneumatic tool which uses gas source pressure gas to effectively blow dust and clean external moving parts, ensure the moving parts to operate reliably, reduce abrasion and prolong the service life, so as to overcome the defects of the prior art.
In order to solve the technical problem, the controllable circulating self-cleaning pneumatic tool comprises a body and a pneumatic functional head, wherein the body is provided with a cylinder, the cylinder is divided into a front cavity and a rear cavity by a piston, the front cavity is provided with a front cavity air port, and the rear cavity is provided with a rear cavity air port, and the controllable circulating self-cleaning pneumatic tool is characterized in that: the body is also provided with an air inlet channel and an air outlet channel; the front cavity air port and the rear cavity air port are communicated with the air inlet channel and the air outlet channel through conversion valves, the device also comprises a trigger arranged on the body, and the trigger controls the conversion valves through an air valve ejector rod; the front end of the piston is provided with a piston rod, the middle section of the piston rod is a hollow section, and a piston rod air blowing opening, a piston rod air inlet and a piston rod communication hole are formed in the hollow section; the air blowing port of the piston rod is matched with the pneumatic functional head; the position of the air inlet of the piston rod is matched with that of the air cylinder; when the piston travels to the bottom of the cylinder, the air inlet of the piston rod is communicated with the front cavity.
The conversion valve comprises a valve body, the air valve ejector rod is arranged in an inner cavity of the valve body, a first piston, a second piston and a third piston are arranged on the air valve ejector rod in the valve body, and a spring is arranged at the end part of the valve body and connected with the first piston; a gas channel A is formed between the first piston and the second piston, and a gas channel B is formed between the second piston and the third piston; the air inlet is connected with an air source joint; the air inlet channel and the air outlet channel are matched with the front cavity and the rear cavity through an air channel A and an air channel B; the free end of the air valve ejector rod is arranged outside the valve body and matched with the trigger.
The pneumatic functional head comprises two cam rollers, two cam jaws and a retaining ring pushing rod; the two cam jaws are respectively movably arranged on the body at the middle parts of the two cam jaws through a pin shaft, and the two cam jaws are mutually symmetrical along the axis of the piston rod; the two cam rollers are symmetrically arranged on the piston rod along the axis of the piston rod, and the two cam rollers are fixedly arranged at intervals; the two cam jaws are matched with the two cam rollers; the retaining ring pushing rod is arranged on the piston rod.
The invention has the following beneficial effects:
the controllable circulating self-cleaning pneumatic tool can introduce air source pressure gas to align the moving part for high-pressure effective purging, the purging time is controllable, the purging is performed once in a circulating mode in each action period, the purging action and the shape preserving action are performed synchronously, the dirt accumulation of the moving part of the pneumatic tool in a severe environment is avoided, the abrasion is reduced, and the service life is prolonged.
Drawings
FIG. 1 is a schematic cross-sectional structural view of the working state of the controllable cycle self-cleaning pneumatic tool of the present invention.
Fig. 2 is a schematic sectional structural view of another working state of the present invention.
Fig. 3 is a schematic sectional structural view of the idle stroke section in the working state of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, the controllable circulating self-cleaning pneumatic tool of the present invention comprises a body and a pneumatic functional head, wherein the body is provided with a cylinder 1, the cylinder 1 is divided into a front chamber 10 and a rear chamber 11 by a piston 2, the front chamber 10 is provided with a front chamber air port 100, the rear chamber 11 is provided with a rear chamber air port 110, and the controllable circulating self-cleaning pneumatic tool is characterized in that: the body is also provided with an air inlet channel 14 and an air outlet channel 15; the front cavity air port 100 and the rear cavity air port 110 are communicated with the air inlet channel 14 and the air outlet channel 15 through a conversion valve 12, the device also comprises a trigger 8 arranged on the body, and the trigger 8 controls the conversion valve 12 through an air valve ejector rod 120; the front end of the piston 2 is provided with a piston rod 3, the middle section of the piston rod 3 is a hollow section, and a piston rod air blowing opening 30, a piston rod air inlet 31 and a piston rod communication hole 32 are arranged on the hollow section; the air blowing port 30 of the piston rod is matched with the pneumatic functional head; the position of the piston rod air inlet 31 is matched with that of the air cylinder 1; when the piston 2 moves to the bottom of the cylinder 1, the piston rod air inlet 31 is communicated with the front chamber 10.
The change-over valve 12 comprises a valve body, the air valve ejector rod 120 is arranged in an inner cavity of the valve body, a first piston 121, a second piston 122 and a third piston 123 are arranged on the air valve ejector rod 120 in the valve body, a spring 124 is arranged at the end part of the valve body, and the spring 124 is connected with the first piston 121; a gas passage A125 is formed between the first piston 121 and the second piston 122, and a gas passage B126 is formed between the second piston 122 and the third piston 123; an air source joint 13 is connected to the air inlet channel 14; the inlet channel 14 and the outlet channel 15 are matched with the front cavity 10 and the rear cavity 11 through a gas channel A125 and a gas channel B126; the free end of the air valve ejector rod 120 is arranged outside the valve body and matched with the trigger 8.
The bottom of the valve body is provided with a first valve body air port 127 and a second valve body air port 128 which are matched with the air outlet channel 15, the air channel A125 and the air channel B126 and used for discharging air in the front chamber 10 or the rear chamber 11.
As one embodiment, the pneumatic functional head comprises two cam rollers 4, two cam jaws 6 and a retaining ring pushing rod 7; the two cam jaws 6 are respectively movably arranged on the body at the middle parts thereof through a pin shaft, and the two cam jaws 6 are mutually symmetrical along the axis of the piston rod 3; the two cam rollers 4 are symmetrically arranged on the piston rod 3 along the axis of the piston rod 3, and the two cam rollers 4 are fixedly arranged at intervals; the two cam jaws 6 are matched with the two cam rollers 4; the retaining ring pushing rod 7 is arranged on the piston rod 3.
The two cam jaws 6 are movably connected with the body at the middle ends thereof through a pin shaft 60, the front ends thereof are mutually matched to form a buckle forming operation end, the rear ends thereof are respectively matched with the two cam rollers 4, and the longitudinal motion of the piston is converted into the closing motion of the front ends of the two cam jaws 6 through the two cam rollers 4.
When the front ends of the two cam jaws 6 are mutually buckled, the C-shaped snap ring 5 is mutually matched by the two cam jaws 6 and is bent into an O shape.
The specific working steps are demonstrated as follows:
as can be seen in FIG. 1, when the trigger 8 is in the unfixed position after the air supply connector 13 is connected with the pressurized air supply, the spring 124 is extended, and the air supply connector 13, the air inlet channel 14, the air channel A125 and the rear chamber air port 110 form a channel, i.e. the rear chamber can be used for air inlet; the front chamber 10, the front chamber air port 100, the air passage B126, the valve body second air port 128 and the air outlet passage 15 are communicated to form a passage, and the front chamber can exhaust air.
At the moment, air source pressure enters the rear chamber 11 through a channel, the piston 2, the piston rod 3, the two convex rollers 4 and the retaining ring pushing rod 7 are pushed to move forwards, the unshaped retaining ring 5 is sent to the jaw positions of the two cams, and meanwhile, the front chamber 10 is emptied of air.
The state of FIG. 2: after the trigger 8 is pressed down, the air valve mandril 120 drives the first piston 121, the second piston 122 and the third piston 123 to move backwards, and the air source joint 13, the air inlet channel 14, the air channel B126, the front cavity air port 100 and the front cavity 10 form a channel, namely a front cavity air inlet state; the rear chamber 11, the rear chamber air port 110, the air passage A125, the first air port 127 of the valve body and the air outlet passage 15 are communicated to form a passage, namely a rear chamber exhaust state.
In this step, air source pressure gas enters the front chamber 10 through the front chamber air port 100 to push the piston 2, the piston rod 3 drives the two cam rollers 4 and the retaining ring pushing rod 7 to move backwards, the two cam jaws complete retaining ring work, and meanwhile, the rear chamber 11 gas is emptied through the rear chamber air port 110. In this step, the C-shaped snap ring 5 is pressed into an O-shape by the two jaws.
The state of FIG. 3: the trigger 8 keeps a pressed state, the piston 2, the piston rod 3, the two cam rollers 4 and the retaining ring push rod 7 continue to move backwards and enter an idle stroke section, the air inlet 31 on the piston rod 3 enters the front chamber 10, and pressure gas in the front chamber 10 reaches the air blowing port 30 through the communication hole 32 and is aligned with a moving part for purging. The purge cleaning continues with the pressurized gas as long as the trigger is not released, the duration of the purge being controlled by the trigger, while the back chamber 11 is being evacuated of gas through the back chamber gas port 110. In the idle stroke section of the two cam rollers 4, the two cam jaws 6 keep a snap ring state, the form of the snap ring 5 is further fixed, and the shape keeping and cleaning actions are synchronously carried out; the trigger 11 is released, the air valve ejector rod 120 is reset, and the next cycle is started.
In the invention, the body is also provided with an air inlet channel 14 and an air outlet channel 15; the cylinder 1 is divided into a front chamber 10 and a rear chamber 11 by the piston 2; the switching valve 12 is provided with a gas channel A125 and a gas channel B126; the stroke of the air valve ejector rod 120 is changed through a trigger, the front cavity 10 and the rear cavity 11 can be communicated with the air inlet channel 14 and the air outlet channel 15 respectively, and air inlet of one cavity and air exhaust of the other cavity are achieved.
The controllable circulating self-cleaning pneumatic tool can be applied to a pneumatic buckle gun, a pneumatic nail gun, an anchor net connecting and buckling machine, pneumatic shearing pliers and the like. Most tools using pneumatically-powered functional heads are suitable.
The embodiments of the present invention include, but are not limited to, the above-mentioned embodiments, and those skilled in the art can make various corresponding changes and modifications according to the present invention without departing from the spirit and the substance of the present invention, and still fall into the scope of the present invention.
Claims (3)
1. A controllable circulation self-cleaning pneumatic tool comprises a body and a pneumatic functional head, and is characterized in that: be provided with cylinder (1) on the body, cylinder (1) is separated for preceding cavity (10) and back cavity (11) by piston (2), preceding cavity (10) are equipped with preceding cavity gas port (100), and back cavity (11) are equipped with back cavity gas port (110), its characterized in that: the body is also provided with an air inlet channel (14) and an air outlet channel (15); the front cavity air port (100) and the rear cavity air port (110) are communicated with the air inlet channel (14) and the air outlet channel (15) through a conversion valve (12), the air-conditioning device also comprises a trigger (8) arranged on the body, and the trigger (8) controls the conversion valve (12) through an air valve ejector rod (120);
a piston rod (3) is arranged at the front end of the piston (2), the middle section of the piston rod (3) is a hollow section, and a piston rod air blowing opening (30), a piston rod air inlet (31) and a piston rod communication hole (32) are formed in the hollow section; the air blowing port (30) of the piston rod is matched with the pneumatic functional head; the position of the piston rod air inlet (31) is matched with the air cylinder (1).
2. A controlled cycle self-cleaning pneumatic tool as claimed in claim 1, wherein: the conversion valve (12) comprises a valve body, the air valve ejector rod (120) is arranged in an inner cavity of the valve body, a first piston (121), a second piston (122) and a third piston (123) are arranged on the air valve ejector rod (120) in the valve body, a spring (124) is arranged at the end part of the valve body, and the spring (124) is connected with the first piston (121); a gas channel A (125) is formed between the first piston (121) and the second piston (122), and a gas channel B (126) is formed between the second piston (122) and the third piston (123); the air inlet (14) is connected with an air source joint (13); the air inlet channel (14) and the air outlet channel (15) are matched with the front cavity (10) and the rear cavity (11) through an air channel A (125) and an air channel B (126); the free end of the air valve ejector rod (120) is arranged outside the valve body and matched with the trigger (8).
3. A controlled cycle self-cleaning pneumatic tool as claimed in claim 1, wherein: the pneumatic functional head comprises two cam rollers (4), two cam jaws (6) and a retaining ring pushing rod (7); the two cam jaws (6) are respectively movably arranged on the body at the middle parts thereof through a pin shaft, and the two cam jaws (6) are mutually symmetrical along the axis of the piston rod (3); the two cam rollers (4) are symmetrically arranged on the piston rod (3) along the axis of the piston rod (3), and the two cam rollers (4) are fixedly arranged at intervals; the two cam jaws (6) are matched with the two cam rollers (4); the retaining ring push rod (7) is arranged on the piston rod (3).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910625969.0A CN110328192A (en) | 2019-07-11 | 2019-07-11 | Controllable circulation automatically cleaning pneumatic tool |
| CN2019106259690 | 2019-07-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110918560A true CN110918560A (en) | 2020-03-27 |
Family
ID=68146329
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910625969.0A Pending CN110328192A (en) | 2019-07-11 | 2019-07-11 | Controllable circulation automatically cleaning pneumatic tool |
| CN201922023368.0U Active CN211304068U (en) | 2019-07-11 | 2019-11-21 | Controllable circulation self-cleaning pneumatic tool |
| CN201911147962.9A Pending CN110918560A (en) | 2019-07-11 | 2019-11-21 | Controllable circulation self-cleaning pneumatic tool |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910625969.0A Pending CN110328192A (en) | 2019-07-11 | 2019-07-11 | Controllable circulation automatically cleaning pneumatic tool |
| CN201922023368.0U Active CN211304068U (en) | 2019-07-11 | 2019-11-21 | Controllable circulation self-cleaning pneumatic tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN110328192A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110328192A (en) * | 2019-07-11 | 2019-10-15 | 安徽宏昌机电装备制造有限公司 | Controllable circulation automatically cleaning pneumatic tool |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2210050Y (en) * | 1994-09-29 | 1995-10-18 | 朱淦昌 | Device for drawing rivent with automatically removing waste rod and filings |
| US20030047175A1 (en) * | 2001-07-26 | 2003-03-13 | Kenneth Farrell | Pneumatic gun |
| CN2650905Y (en) * | 2003-09-22 | 2004-10-27 | 钱俊 | Nail drawing gun with automatic collecting bar cores and scraps |
| TWM349807U (en) * | 2008-07-15 | 2009-02-01 | Double Dynasty Co Ltd | Rivet fixing machine capable of removing shreds |
| CN202208003U (en) * | 2011-09-16 | 2012-05-02 | 佛山市百力特机械有限公司 | Exhaust device for pneumatic nailing gun |
| CN203091169U (en) * | 2013-01-08 | 2013-07-31 | 李国才 | Pneumatic cleaning gun |
| CN106426246A (en) * | 2014-08-12 | 2017-02-22 | 吉生机械股份有限公司 | Pneumatic tool |
| CN108312110A (en) * | 2018-03-27 | 2018-07-24 | 广东明晖气动科技有限公司 | Automatically cleaning pneumatic tool |
| US20190076973A1 (en) * | 2017-09-08 | 2019-03-14 | G. A. W. Inc. | Vacuum Dust Extraction Apparatus for a Percussive Air Tool |
| CN109707420A (en) * | 2019-01-28 | 2019-05-03 | 安徽宏昌机电装备制造有限公司 | A kind of molding pneumatic anchor net of double-round connects deduction |
| CN109877784A (en) * | 2019-04-10 | 2019-06-14 | 广东美特机械有限公司 | A kind of pneumatic nail gun dust-extraction unit |
| CN211304068U (en) * | 2019-07-11 | 2020-08-21 | 安徽宏昌机电装备制造有限公司 | Controllable circulation self-cleaning pneumatic tool |
| TWD228742S (en) * | 2023-06-28 | 2023-11-21 | 尚的有限公司 | Abdominal Wheel |
-
2019
- 2019-07-11 CN CN201910625969.0A patent/CN110328192A/en active Pending
- 2019-11-21 CN CN201922023368.0U patent/CN211304068U/en active Active
- 2019-11-21 CN CN201911147962.9A patent/CN110918560A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2210050Y (en) * | 1994-09-29 | 1995-10-18 | 朱淦昌 | Device for drawing rivent with automatically removing waste rod and filings |
| US20030047175A1 (en) * | 2001-07-26 | 2003-03-13 | Kenneth Farrell | Pneumatic gun |
| CN2650905Y (en) * | 2003-09-22 | 2004-10-27 | 钱俊 | Nail drawing gun with automatic collecting bar cores and scraps |
| TWM349807U (en) * | 2008-07-15 | 2009-02-01 | Double Dynasty Co Ltd | Rivet fixing machine capable of removing shreds |
| CN202208003U (en) * | 2011-09-16 | 2012-05-02 | 佛山市百力特机械有限公司 | Exhaust device for pneumatic nailing gun |
| CN203091169U (en) * | 2013-01-08 | 2013-07-31 | 李国才 | Pneumatic cleaning gun |
| CN106426246A (en) * | 2014-08-12 | 2017-02-22 | 吉生机械股份有限公司 | Pneumatic tool |
| US20190076973A1 (en) * | 2017-09-08 | 2019-03-14 | G. A. W. Inc. | Vacuum Dust Extraction Apparatus for a Percussive Air Tool |
| CN108312110A (en) * | 2018-03-27 | 2018-07-24 | 广东明晖气动科技有限公司 | Automatically cleaning pneumatic tool |
| CN109707420A (en) * | 2019-01-28 | 2019-05-03 | 安徽宏昌机电装备制造有限公司 | A kind of molding pneumatic anchor net of double-round connects deduction |
| CN109877784A (en) * | 2019-04-10 | 2019-06-14 | 广东美特机械有限公司 | A kind of pneumatic nail gun dust-extraction unit |
| CN211304068U (en) * | 2019-07-11 | 2020-08-21 | 安徽宏昌机电装备制造有限公司 | Controllable circulation self-cleaning pneumatic tool |
| TWD228742S (en) * | 2023-06-28 | 2023-11-21 | 尚的有限公司 | Abdominal Wheel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110328192A (en) | 2019-10-15 |
| CN211304068U (en) | 2020-08-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102497763B1 (en) | Flow passage switching unit | |
| US7377413B2 (en) | Pneumatic nail gun | |
| EP3162510B1 (en) | Fastener driving tool | |
| CA2694967A1 (en) | Actuator pin guide for a fastener driving tool | |
| CN100471629C (en) | Fastener driving tool and magazine device | |
| CN211304068U (en) | Controllable circulation self-cleaning pneumatic tool | |
| CN212265726U (en) | Exhaust switch device of pneumatic nail gun | |
| US4440237A (en) | Pavement breaker | |
| US3898833A (en) | Air-hydraulic rivet gun | |
| US3348291A (en) | Fluid operated stud driver tool | |
| EP2012977B1 (en) | Pneumatically operable fastener-driving tool and a method of operating the same | |
| US3051135A (en) | Pneumatic tool | |
| CN109877784A (en) | A kind of pneumatic nail gun dust-extraction unit | |
| US10006474B2 (en) | Flow passage unit and switching valve | |
| KR200383497Y1 (en) | Valve unit structure for air gun | |
| CN112792788B (en) | Pneumatic nailing gun | |
| US2668518A (en) | Pneumatic impact tool | |
| CN115540677A (en) | Artillery barrel cleaning device | |
| CN213647422U (en) | C-shaped pneumatic nail gun | |
| US20030098020A1 (en) | Bb bullet feeding device of toy gun | |
| CN201104159Y (en) | Gas cylinder for auto-cleaner of artillery gun chamber | |
| CN208997075U (en) | A kind of route-variable multiposition stop cylinder | |
| CN207953750U (en) | Automatically cleaning pneumatic tool | |
| CN110374683B (en) | Bidirectional intermittent pneumatic motor | |
| CN210317993U (en) | Automatic buffer invisible device |
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 |