CN208787457U - A kind of novel pneumatic rivet gun - Google Patents
A kind of novel pneumatic rivet gun Download PDFInfo
- Publication number
- CN208787457U CN208787457U CN201821202211.3U CN201821202211U CN208787457U CN 208787457 U CN208787457 U CN 208787457U CN 201821202211 U CN201821202211 U CN 201821202211U CN 208787457 U CN208787457 U CN 208787457U
- 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.)
- Expired - Fee Related
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- Portable Nailing Machines And Staplers (AREA)
Abstract
The utility model 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 utility model 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 where limit plate At position, percussion can not be not only generated, but also pulling force effect can not be formed.
Description
Technical field
The utility model belongs to pneumatic rivet gun technical field, 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 utility model patent of Patent No. CN206527310U, a kind of Pneumatic hand riveter is proposed, is utilized
The case where mutual cooperation of gun body internal structure increases a locking device to the outlet of pulling rivet, prevents accidental injury, and
It is convenient to open, but latch is fixed on the outside of muzzle in above equipment, needs to dismantle installation back and forth in use, lead
Cause step in use process various, and influence rivet greater than muzzle at the position that matches with latch of drive rod one end
Output, in addition in rivet gun when being worked, principle is the transmission by gas, if the mobile phase of rivet gun internal gas
It mutually influences to be easy to cause the reduction of rivet gun pulling force, and is unable to reach scheduled riveting effect.
Utility model content
The purpose of this utility model is to provide a kind of novel pneumatic rivet gun, to solve existing to be not easy to realize rivet
Smooth output and air-flow influence each other the problem of reducing rivet gun pulling force.
To achieve the above object, the utility model provides the following technical solutions: a kind of novel pneumatic rivet gun, including blind rivet
Rifle, is equipped with electric pushrod on the side outer wall of the rivet gun, and the inside of rivet gun offer the first air cavity, guide pin chamber and
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 peace of first air cavity
Equipped with 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,
The piston rod is located at that guide pin is intracavitary far from one end of piston, and the inside of the guide pin chamber is equipped with formed punch and limit plate, described
Limit 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 with
Piston 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.
The utility model compared with prior art, has the advantages that
(1) the utility model is provided with formed punch, limit plate and limiting slot, when initial, limit plate by the fixture blocks of two sides with
Engage between limiting 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
At position where plate, percussion can not be not only generated, but also pulling force effect can not be formed, and when needing using the rivet gun,
Start motor, motor drives driving gear set to rotate by shaft, and driving gear set drives telescopic rod rotation, and telescopic rod exists
Screwed during rotation with screw rod so that screw rod is mobile to the inside of telescopic rod, and screw rod drive when moving limit plate by
Gradually close to formed punch, while fixture block gradually skids off limiting slot by the inclined-plane of side, and compresses second spring, and limit plate is close to punching
It is caught in inside mounting groove when head, and the fixture block of limit plate two sides is then caught in card slot, completes the fixation between formed punch and limit plate,
It is then shut off motor, formed punch engages to form an entirety with limit plate in this case, and formed punch is when being impacted and being pulled back,
Drive limit plate synchronizing moving, in overall structure, without any blocking position outside guide pin chamber, be easy to implement rivet importing and
Output, while the position by changing limit plate can effectively realize the protective action of the rivet gun again, avoid generating accidental injury.
(2) the utility model is provided with the first air cavity, the second air cavity and the first tracheae and presses first when being worked
The breather valve of rivet gun side, so that breather valve is in the open state, the compressed gas inside the first air cavity passes through first at this time
Tracheae flows into the second air cavity, and the first air cavity internal gas is reduced so that pressure reduction, to generate percussion, then starts
Electric pushrod, by the driving of electric pushrod so that telescopic rod bounces back, and telescopic rod drives formed punch guide during retraction
The inside of nail cavity is mobile, and pushes piston mobile by piston rod, the elongation of the first spring, and makes inside the first air cavity in negative
Pressure condition 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
Rivet gun recovery is respectively positioned on inside rivet gun in unused state, the first air cavity and the second air cavity, in use in air cavity
The gas leakproofness that does not exchange, thus can be effectively ensured in air cavity with extraneous gas, and pass through breather valve and unidirectional
Valve interaction, so that being independent of each other between air guide and return-air, realizes the one-way conduction of gas, so that rivet gun be made to be formed
Pulling force it is more stable.
Detailed description of the invention
Fig. 1 is the front view of the utility model;
Fig. 2 is enlarged drawing at the A of the utility model;
Fig. 3 is the structural schematic diagram of the utility model formed punch;
Fig. 4 is enlarged drawing at the B of the utility model;
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-
Two springs, 422- fixture block, 43- limiting slot, the second air cavity of 5-, the first tracheae of 51-, 52- breather valve, 53- check valve, 54- second
Tracheae, 6- motor, 7- driving gear set.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1-Fig. 4, the utility model provides the following technical solutions: a kind of novel pneumatic rivet gun, including
Rivet gun 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, leads
Nail cavity 4 and 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 first air cavity 3 it is interior
Portion is equipped with the first spring 31 and piston 32, and piston 32 is located at the side of the first spring 31, and welds on the side outer wall of piston 32
It is connected to piston rod 33, piston rod 33 is 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
With 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,
The side outer wall and piston rod 33 of formed punch 41 weld, and the first tracheae 51 is connected between the first air cavity 3 and the second air cavity 5, is passed through
The interaction of two the first air cavitys 3 and the second air cavity 5 both ensure that the good leakproofness of pneumatic structure, and in turn ensure entirety
Rivet gun 1, which has, stablizes pulling force, and equally cooperates between formed punch 41 and limit plate 42, plays a protective role when separated,
Then play the role of combination impact when engaging.
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 and process for using of the utility model: this using it is novel when in use, need to open the guide pin chamber 4 first
Internal limiting 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 rotates, and telescopic rod 34 is screwed with screw rod 35 in the course of rotation, so that screw rod 35 is moved to the inside of telescopic rod 34
It is dynamic, and screw rod 35 drives limit plate 42 to move closer to formed punch 41 when moving, while fixture block 422 is gradually slided by the inclined-plane of side
Limiting slot 43 out, and second spring 421 is compressed, limit plate 42 is caught in inside mounting groove 412 when close to formed punch 41, and limit plate
The fixture block 422 of 42 two sides is then caught in card slot 413, is completed the fixation between formed punch 41 and limit plate 42, is then shut off motor 6,
And the breather valve 52 of 1 side of rivet gun is pressed, so that breather valve 52 is in the open state, the compression inside the first air cavity 3 at this time
Gas is flowed into the second air cavity 5 by the first tracheae 51, and 3 internal gas of the first air cavity is reduced so that pressure reduces, thus piston
Thrust suffered by 32 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 then pushes the external mobile of 41 guide nail cavity 4 of piston rod 33 and formed punch, formed punch 41 drives limit under the action of thrust
Position plate 42 is mobile, applies pressure to rivet, so that manufactured head be made to complete expansion, finally starts electric pushrod 2, passes through electric pushrod
2 driving is so that telescopic rod 34 bounces back, and telescopic rod 34 drives the inside of 41 guide nail cavity 4 of formed punch to move during retraction
It is dynamic, apply secondary pulling force to rivet, so that nail stalk be broken, completes plate riveting, and formed punch 41 passes through piston in the process
Bar 33 pushes piston 32 mobile, the elongation of the first spring 31, and to pass through the second gas in negative pressure state inside the first air cavity 3
The effect of pipe 54 and check 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.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
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 |
---|---|---|---|
CN201821202211.3U CN208787457U (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 |
---|---|---|---|
CN201821202211.3U CN208787457U (en) | 2018-07-27 | 2018-07-27 | A kind of novel pneumatic rivet gun |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208787457U true CN208787457U (en) | 2019-04-26 |
Family
ID=66203602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821202211.3U Expired - Fee Related CN208787457U (en) | 2018-07-27 | 2018-07-27 | A kind of novel pneumatic rivet gun |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208787457U (en) |
-
2018
- 2018-07-27 CN CN201821202211.3U patent/CN208787457U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190426 Termination date: 20190727 |