CN109047629A - A kind of novel pneumatic rivet gun - Google Patents
A kind of novel pneumatic rivet gun Download PDFInfo
- Publication number
- CN109047629A CN109047629A CN201810843207.3A CN201810843207A CN109047629A CN 109047629 A CN109047629 A CN 109047629A CN 201810843207 A CN201810843207 A CN 201810843207A CN 109047629 A CN109047629 A CN 109047629A
- Authority
- CN
- China
- Prior art keywords
- air cavity
- rivet gun
- piston
- limit plate
- guide pin
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/16—Drives for riveting machines; Transmission means therefor
- B21J15/18—Drives for riveting machines; Transmission means therefor operated by air pressure or other gas pressure, e.g. explosion pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/38—Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting
- B21J15/383—Hand tools for riveting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The invention discloses a kind of novel pneumatic rivet guns, including rivet gun, electric pushrod is installed on the side outer wall of the rivet gun, and the inside of rivet gun offers the first air cavity, guide pin chamber and the second air cavity, the guide pin chamber and the second air cavity are located at the adjacent two sides of the first air cavity, the inside of first air cavity is equipped with the first spring and piston, the piston is located at the side of the first spring, and piston rod is welded on the side outer wall of piston, it is intracavitary that the piston rod far from one end of piston is located at guide pin, the inside of the guide pin chamber is equipped with formed punch and limit plate, the present invention is provided with formed punch, limit plate and limiting slot, when initial, engage between the fixture block and limiting slot that limit plate passes through two sides, form the limiting device in the intracavitary portion of guide pin, breather valve is pressed at this time, also it is only capable of making formed punch ejection at the position where limit plate, Not only percussion can not be generated, but also pulling force effect can not be formed.
Description
Technical field
The invention belongs to pneumatic rivet gun technical fields, and in particular to a kind of novel pneumatic rivet gun.
Background technique
Pneumatic rivet gun also known as Pneumatic hand riveter are that current domestic advanced clincher tool leads to using compressed air as power
The series connection of each cylinder is crossed to achieve the purpose that break rivet, there is staking conveniently, riveting speed is fast, it is light-weight and oil-free to hold
The advantages that liquid is lost.
In the Chinese invention patent of Patent No. CN206527310U, a kind of Pneumatic hand riveter is proposed, gun body is utilized
The case where mutual cooperation of internal structure increases a locking device to the outlet of pulling rivet, prevents accidental injury, and open
It is convenient, but latch is fixed on the outside of muzzle in above equipment, needs to dismantle installation back and forth in use, causes to make
It is various with step in the process, and it is greater than muzzle at the position that matches with latch of drive rod one end, the output of rivet is influenced,
In addition in rivet gun when being worked, principle is the transmission by gas, if the mutual shadow of the flowing of rivet gun internal gas
It rings and be easy to cause the reduction of rivet gun pulling force, and be unable to reach scheduled riveting effect.
Summary of the invention
The purpose of the present invention is to provide a kind of novel pneumatic rivet gun, to solve existing to be not easy to realize the suitable of rivet
Benefit output and air-flow influence each other the problem of reducing rivet gun pulling force.
To achieve the above object, the invention provides the following technical scheme: a kind of novel pneumatic rivet gun, including rivet gun,
Electric pushrod is installed, and the inside of rivet gun offers the first air cavity, guide pin chamber and on the side outer wall of the rivet gun
Two air cavitys, the guide pin chamber and the second air cavity are located at the adjacent two sides of the first air cavity, the inside installation of first air cavity
There are the first spring and piston, the piston is located at the side of the first spring, and is welded with piston rod on the side outer wall of piston, institute
It states piston rod and is located at that guide pin is intracavitary far from one end of piston, the inside of the guide pin chamber is equipped with formed punch and limit plate, the limit
Position plate is located at the side of formed punch, and limit plate is connected together by limiting slot and guide pin chamber, the side outer wall of the formed punch and work
Stopper rod welding, is connected with the first tracheae between first air cavity and the second air cavity.
Preferably, the inside of the piston rod is through there is a telescopic rod, the both ends of the telescopic rod respectively with electric pushrod and
Formed punch connection, and the inside of telescopic rod screws and is connected with screw rod, one end and the limit plate of the screw rod are connected together.
Preferably, the inside of the formed punch offers through-hole and mounting groove, and the mounting groove is located at the side of through-hole, and pacifies
Card slot is offered on the two sides inner wall of tankage.
Preferably, the inside of the limit plate is equipped with second spring and fixture block, and the fixture block is located at the one of second spring
End, and fixture block and limiting slot and card slot are to be connected together.
Preferably, the inside of first tracheae is equipped with breather valve, and is equipped with list at the position of the first tracheae side
To valve, one end of the check valve is equipped with the second tracheae, and the one end of second tracheae far from check valve and the second air cavity connect
It connects.
Preferably, it is embedded with motor at the position of electric pushrod side on the rivet gun outer wall, the motor
One end is rotatably connected to driving gear set by shaft, and the driving gear set is composed there are two meshing gear, and wherein
One geared sleeve is set on telescopic rod.
Compared with the prior art, the present invention has the following beneficial effects:
(1) present invention is provided with formed punch, limit plate and limiting slot, when initial, fixture block and limit of the limit plate by two sides
Engage between slot, form the limiting device in the intracavitary portion of guide pin, press breather valve at this time, is also only capable of making formed punch ejection in limit plate institute
Position at, can not only generate percussion, but also pulling force effect can not be formed, and when needing using the rivet gun, starting
Motor, motor drive driving gear set to rotate by shaft, and driving gear set drives telescopic rod rotation, and telescopic rod is rotating
During screwed with screw rod so that screw rod is mobile to the inside of telescopic rod, and screw rod drives limit plate gradually to lean on when moving
Nearly formed punch, while fixture block gradually skids off limiting slot by the inclined-plane of side, and compresses second spring, limit plate is when close to formed punch
It is caught in inside mounting groove, and the fixture block of limit plate two sides is then caught in card slot, completes the fixation between formed punch and limit plate, then
Motor is closed, formed punch engages to form an entirety with limit plate in this case, and formed punch drives when being impacted and being pulled back
Limit plate synchronizing moving, without any blocking position outside guide pin chamber, is easy to implement the importing of rivet and defeated in overall structure
Out, while by the position of change limit plate the protective action that can effectively realize the rivet gun again, avoids generating accidental injury.
(2) present invention is provided with the first air cavity, the second air cavity and the first tracheae, when being worked, presses blind rivet first
The breather valve of rifle side, so that breather valve is in the open state, the compressed gas inside the first air cavity passes through the first tracheae at this time
It flows into the second air cavity, the first air cavity internal gas is reduced so that pressure reduction, to generate percussion, then starts electronic
Push rod, by the driving of electric pushrod so that telescopic rod bounces back, and telescopic rod drives formed punch guide nail cavity during retraction
Inside it is mobile, and push piston mobile by piston rod, the first spring elongation, and to be in negative pressure shape inside the first air cavity
State is sucked the gas inside the second air cavity in the first air cavity by the effect of the second tracheae and check valve, so that whole blind rivet
Rifle recovery is respectively positioned on inside rivet gun in unused state, the first air cavity and the second air cavity, in use the gas in air cavity
Body is not exchanged with extraneous gas, thus the leakproofness that can be effectively ensured in air cavity, and passes through breather valve and check valve phase
Interaction realizes the one-way conduction of gas so that being independent of each other between air guide and return-air, so that rivet gun be made to be formed by drawing
Power is more stable.
Detailed description of the invention
Fig. 1 is front view of the invention；
Fig. 2 is enlarged drawing at A of the invention；
Fig. 3 is the structural schematic diagram of formed punch of the present invention；
Fig. 4 is enlarged drawing at B of the invention；
In figure: 1- rivet gun, 2- electric pushrod, the first air cavity of 3-, the first spring of 31-, 32- piston, 33- piston rod,
34- telescopic rod, 35- screw rod, 4- guide pin chamber, 41- formed punch, 411- through-hole, 412- mounting groove, 413- card slot, 42- limit plate,
421- second spring, 422- fixture block, 43- limiting slot, the second air cavity of 5-, the first tracheae of 51-, 52- breather valve, 53- check valve,
The second tracheae of 54-, 6- motor, 7- driving gear set.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It please refers to shown in Fig. 1-Fig. 4, the invention provides the following technical scheme: a kind of novel pneumatic rivet gun, including blind rivet
Rifle 1 is equipped with electric pushrod 2 on the side outer wall of rivet gun 1, and the inside of rivet gun 1 offers the first air cavity 3, guide pin chamber 4
With the second air cavity 5, guide pin chamber 4 and the second air cavity 5 are located at the adjacent two sides of the first air cavity 3, the inside installation of the first air cavity 3
There are the first spring 31 and piston 32, piston 32 is located at the side of the first spring 31, and is welded with work on the side outer wall of piston 32
Stopper rod 33, piston rod 33 are located in guide pin chamber 4 far from one end of piston 32, and the inside of guide pin chamber 4 is equipped with formed punch 41 and limit
Plate 42, limit plate 42 is located at the side of formed punch 41, and limit plate 42 is connected together by limiting slot 43 with guide pin chamber 4, formed punch 41
Side outer wall and piston rod 33 weld, the first tracheae 51 is connected between the first air cavity 3 and the second air cavity 5, passes through two the
The interaction of one air cavity 3 and the second air cavity 5 both ensure that the good leakproofness of pneumatic structure, and in turn ensure whole rivet gun
1 has and stablizes pulling force, and equally cooperates between formed punch 41 and limit plate 42, plays a protective role when separated, when engaging
Then play the role of combination impact.
Further, the inside of piston rod 33 is through there is a telescopic rod 34, the both ends of telescopic rod 34 respectively with electric pushrod 2 and
Formed punch 41 connects, and the inside of telescopic rod 34 screws and is connected with screw rod 35, and one end and the limit plate 42 of screw rod 35 are connected together, and leads to
The engaging between screw rod 35 and limit plate 42 is crossed, can effectively realize connection and disconnection between screw rod 35 and limit plate 42.
Further, the inside of formed punch 41 offers through-hole 411 and mounting groove 412, and mounting groove 412 is located at through-hole 411
Side, and card slot 413 is offered on the two sides inner wall of mounting groove 412, screw rod 35 runs through through-hole 411, and not with through-hole 411
Inner wall is in contact, and screw rod 35 is effectively avoided to drive formed punch 41 mobile when moving.
Specifically, the inside of limit plate 42 is equipped with second spring 421 and fixture block 422, and fixture block 422 is located at second spring
421 one end, and fixture block 422 and limiting slot 43 and card slot 413 are to be connected together, and are offered on the two sides outer wall of fixture block 422
Different inclined-planes, the opposite sliding being easy to implement between limiting slot 43 and card slot 413, thus the engaging under realizing different conditions
With separate.
It is worth noting that the inside of the first tracheae 51 is equipped with breather valve 52, and at the position of 51 side of the first tracheae
Check valve 53 is installed, one end of check valve 53 is equipped with the second tracheae 54, the one end of the second tracheae 54 far from check valve 53 with
The connection of second air cavity 5 can effectively avoid generating leakage in gas backstreaming by check valve 53.
Preferably, motor 6, one end of motor 6 are embedded at the position of 2 side of electric pushrod on 1 outer wall of rivet gun
It is rotatably connected to driving gear set 7 by shaft, driving gear set 7 is composed there are two meshing gear, and one of tooth
Wheel is sheathed on telescopic rod 34, and motor 6 uses GA12-N20 micromotor, voltage range: 3-9V, voltage rating: 6V, specified sky
Idling speed: 500RPM/ minutes, nominal load revolving speed: 400RPM/ minutes, and the driving structure mobile as limit plate 42, it is electronic
Push rod 2 and motor 6 are electrically connected with power switch.
The working principle of the invention and process for using: the invention when in use, needs to open the limit inside the guide pin chamber 4 first
Position device starts motor 6, and motor 6 drives driving gear set 7 to rotate by shaft, and driving gear set 7 drives telescopic rod 34
Rotation, telescopic rod 34 are screwed with screw rod 35 in the course of rotation, so that screw rod 35 is mobile to the inside of telescopic rod 34, and spiral shell
Bar 35 drives limit plate 42 to move closer to formed punch 41 when moving, while fixture block 422 gradually skids off limit by the inclined-plane of side
Slot 43, and second spring 421 is compressed, limit plate 42 is caught in inside mounting groove 412 when close to formed punch 41, and 42 two sides of limit plate
Fixture block 422 be then caught in card slot 413, complete the fixation between formed punch 41 and limit plate 42, be then shut off motor 6, and press
The breather valve 52 of 1 side of rivet gun, so that breather valve 52 is in the open state, the compressed gas inside the first air cavity 3 is logical at this time
It crosses the first tracheae 51 to flow into the second air cavity 5,3 internal gas of the first air cavity is reduced so that pressure reduces, thus suffered by piston 32
The thrust arrived reduces, and the first spring 31 generates rebound at this time, so that the direction of piston 32 to close guide pin chamber 4 is mobile, and piston
32 push the external mobile of 41 guide nail cavity 4 of piston rod 33 and formed punch, and formed punch 41 drives limit plate 42 under the action of thrust
It is mobile, pressure is applied to rivet, so that manufactured head be made to complete expansion, finally starts electric pushrod 2, passes through the drive of electric pushrod 2
It moves so that telescopic rod 34 bounces back, and telescopic rod 34 drives the inside of 41 guide nail cavity 4 of formed punch mobile during retraction, to riveting
Nail applies secondary pulling force, so that nail stalk be broken, completes plate riveting, and formed punch 41 is pushed by piston rod 33 in the process
Piston 32 is mobile, the elongation of the first spring 31, and to pass through the second tracheae 54 and list in negative pressure state inside the first air cavity 3
Effect to valve 53 sucks the gas inside the second air cavity 5 in first air cavity 3, so that whole rivet gun 1 restores in unused
State.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of novel pneumatic rivet gun, including rivet gun (1), it is characterised in that: pacify on the side outer wall of the rivet gun (1)
Inside equipped with electric pushrod (2), and rivet gun (1) offers the first air cavity (3), guide pin chamber (4) and the second air cavity (5), institute
It states guide pin chamber (4) and the second air cavity (5) is located at the adjacent two sides of the first air cavity (3), the inside peace of first air cavity (3)
Equipped with the first spring (31) and piston (32), the piston (32) is located at the side of the first spring (31), and the one of piston (32)
It is welded on the outer wall of side piston rod (33), the piston rod (33) is located in guide pin chamber (4) far from the one end of piston (32), described
The inside of guide pin chamber (4) is equipped with formed punch (41) and limit plate (42), and the limit plate (42) is located at the side of formed punch (41), and
Limit plate (42) is connected together by limiting slot (43) with guide pin chamber (4), the side outer wall and piston rod of the formed punch (41)
(33) it welds, is connected with the first tracheae (51) between first air cavity (3) and the second air cavity (5).
2. a kind of novel pneumatic rivet gun according to claim 1, it is characterised in that: the inside of the piston rod (33) is passed through
It is installed with telescopic rod (34), the both ends of the telescopic rod (34) are connect with electric pushrod (2) and formed punch (41) respectively, and telescopic rod
(34) inside, which screws, to be connected with screw rod (35), and one end and the limit plate (42) of the screw rod (35) are connected together.
3. a kind of novel pneumatic rivet gun according to claim 1, it is characterised in that: the inside of the formed punch (41) opens up
There are through-hole (411) and mounting groove (412), the mounting groove (412) is located at the side of through-hole (411), and the two of mounting groove (412)
Card slot (413) are offered on the inner wall of side.
4. a kind of novel pneumatic rivet gun according to claim 1, it is characterised in that: pacify the inside of the limit plate (42)
Equipped with second spring (421) and fixture block (422), the fixture block (422) is located at one end of second spring (421), and fixture block (422)
It is to be connected together with limiting slot (43) and card slot (413).
5. a kind of novel pneumatic rivet gun according to claim 1, it is characterised in that: the inside of first tracheae (51)
It is equipped with breather valve (52), and is equipped with check valve (53) at the position of the first tracheae (51) side, the check valve (53)
One end is equipped with the second tracheae (54), and second tracheae (54) connect far from the one end of check valve (53) with the second air cavity (5).
6. a kind of novel pneumatic rivet gun according to claim 1, it is characterised in that: rivet gun (1) outer wall is upper
It is embedded at the position of electric pushrod (2) side motor (6), one end of the motor (6) is rotatably connected to biography by shaft
Moving gear group (7), the driving gear set (7) are composed there are two meshing gear, and one of geared sleeve is set to and stretches
On bar (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810843207.3A CN109047629A (en) | 2018-07-27 | 2018-07-27 | A kind of novel pneumatic rivet gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810843207.3A CN109047629A (en) | 2018-07-27 | 2018-07-27 | A kind of novel pneumatic rivet gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109047629A true CN109047629A (en) | 2018-12-21 |
Family
ID=64836760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810843207.3A Withdrawn CN109047629A (en) | 2018-07-27 | 2018-07-27 | A kind of novel pneumatic rivet gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109047629A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112009097A (en) * | 2020-09-11 | 2020-12-01 | 福建省满利红包装彩印有限公司 | High resistant separates printing wrapping bag processing equipment |
-
2018
- 2018-07-27 CN CN201810843207.3A patent/CN109047629A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112009097A (en) * | 2020-09-11 | 2020-12-01 | 福建省满利红包装彩印有限公司 | High resistant separates printing wrapping bag processing equipment |
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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: 20181221 |
|
| WW01 | Invention patent application withdrawn after publication |