CN114378244A - Core pulling type pneumatic rivet gun - Google Patents
Core pulling type pneumatic rivet gun Download PDFInfo
- Publication number
- CN114378244A CN114378244A CN202111676497.5A CN202111676497A CN114378244A CN 114378244 A CN114378244 A CN 114378244A CN 202111676497 A CN202111676497 A CN 202111676497A CN 114378244 A CN114378244 A CN 114378244A
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- China
- Prior art keywords
- slope surface
- lever
- rivet
- occlusion
- core
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- 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
-
- 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
- B21J15/30—Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The invention belongs to the field of auto parts, and discloses a core pulling type pneumatic rivet gun, which comprises a gun body, wherein a main cylinder and an occlusion assembly are arranged in the gun body, a push rod is arranged at the power output end of the main cylinder, a clamping part is arranged on the push rod, and the front end of the clamping part is an open side; the occlusion component is composed of two oppositely arranged levers, one end of each lever is an occlusion end, the other end of each lever is hinged with a swinging piece, and the range of a variable included angle between each swinging piece and the end of each lever is x-y degrees. The rivet gun can complete the actions of core pulling and riveting by one main cylinder, and has reliable operation and simple structure.
Description
Technical Field
The invention relates to the field of automobile accessories, in particular to a core pulling type pneumatic rivet gun.
Background
A plastic rivet used by the vast automobile manufacturers at present is a core-pulling type plastic rivet, the structure of which is shown in figure 1, the rivet comprises a core body A and a rivet body B, the core body A is provided with a head C and a core rod D, the core rod D extends into the rivet body B, the end of the core rod D is fixedly connected with the inner cavity of the rivet body B, the end of the rivet body B is provided with a rivet cap E, and the diameter of the rivet cap E is larger than the width of the head C.
The outer diameter of the core rod D is more than or equal to L1(ii) a The outer diameter of the rivet cap E is less than or equal to L3；
The technical problem that the present scheme will solve is: how to design a kind of riveter that can beat the above-mentioned core-pulling type plastic rivet fast, the pneumatic mechanism that needs to adopt as few as possible simultaneously, because the pneumatic mechanism is more, it is easy gas leakage more, for example simple realization is that a cylinder pushes away the rivet, and another cylinder is used for pulling out the core, and this is easy to realize, but the reliability is not good, short service life. Further optimization aims are therefore: the main action should be designed such that only one master cylinder can complete all actions if possible.
Disclosure of Invention
The invention aims to provide a core pulling type pneumatic rivet gun which can complete the core pulling and riveting actions by adopting one main cylinder, and has reliable operation and simple structure.
In order to achieve the purpose, the invention provides the following technical scheme: a core-pulling type pneumatic rivet gun comprises a gun body, wherein a main cylinder and an occlusion assembly are arranged in the gun body, a push rod is arranged at the power output end of the main cylinder, a clamping part is arranged on the push rod, and the front end of the clamping part is an open side; the occlusion component consists of two oppositely arranged levers, one end of each lever is an occlusion end, the other end of each lever is hinged with a swinging piece, and the range of a variable included angle between each swinging piece and the end part of each lever is x-y degrees; the fulcrum of the lever is positioned in the middle of the lever and connected with the gun body, the two occlusion ends form an occlusion part, and the tail ends of the occlusion ends are provided with cutting edges; the opposite sides of the two levers are provided with concave parts which are matched with the surface of the push rod; the push rod is provided with a push block, the push block is provided with a first slope surface at one side far away from the occlusion end, and the swinging piece is provided with a second slope surface at one side close to the occlusion end;
when the swinging pieces swing to x degrees, a gap between the two swinging pieces can be used for the push block to pass through;
when the swinging piece swings to y degrees, the first slope surface is contacted with the second slope surface;
when the first slope surface and the second slope surface are completely contacted, the distance between the two cutting edges is L1；
When the first slope surface and the second slope surface are partially contacted, the distance between the two cutting edges is L2；
When the first slope surface and the second slope surface are changed from partial contact to separation contact, the distance between the two cutting edges is 0;
when the push rod is inserted into the occlusion component and is jointed with the concave part, the distance between the two cutting edges is L3；
Wherein L is3＞L1＞L2＞0。
In the above core-pulling type pneumatic rivet gun, the upper side and the lower side of the free end of the push rod are provided with first guide slopes.
In the core-pulling type pneumatic rivet gun, the swinging piece is L-shaped, one side of the swinging piece is positioned above the end part of the lever, and the second slope surface is arranged on the other side of the swinging piece.
In the core-pulling type pneumatic rivet gun, the other side of the swinging piece relative to the second slope surface is a second guide slope surface, and the second slope surface and the second guide slope surface form an acute-angle end part;
a third guide slope surface is arranged on one side, opposite to the first slope surface, of the push block, and the first slope surface and the third guide slope surface also form an acute angle end part;
in the above-described pull-core type pneumatic rivet gun, the engagement end is detachably fixed to an end portion of the lever.
In the core-pulling type pneumatic rivet gun, two ends of the lever are connected through an inclined connecting rod, and the two ends of the lever are horizontal ends; the connecting rod and the two ends constitute a lever.
The core-pulling type pneumatic rivet gun further comprises a rivet feeding module, wherein the rivet feeding module comprises a rivet feeding channel and an auxiliary cylinder, a rivet pushing rod is arranged at the power output end of the auxiliary cylinder, and a torsion spring is arranged between the rivet pushing rod and the power output end; the nail pushing rod extends into the nail feeding channel; the output end of the nail feeding channel is opposite to the clamping part.
In the core pulling type pneumatic rivet gun, the auxiliary cylinder is linked with the main cylinder;
when the main cylinder drives the push rod to move to a preset position, the auxiliary cylinder acts to push the head of the core-pulling type plastic rivet in the rivet feeding channel into the clamping part.
The core pulling type pneumatic rivet gun also comprises a trigger, wherein the trigger is linked with an air valve of the main air cylinder;
the gun comprises a gun body, and is characterized by further comprising a main grip and an auxiliary grip, wherein the main grip and the auxiliary grip are connected with the gun body, the main grip is located behind the trigger, and the auxiliary grip is located in front of the trigger.
In the core-pulling type pneumatic rivet gun, the gun body is provided with a waste collecting cavity which is arranged opposite to the rivet feeding module.
Compared with the prior art, the invention has the beneficial effects that:
the rivet gun can complete the actions of core pulling and riveting by one main cylinder, and has reliable operation and simple structure.
Drawings
FIG. 1 is a perspective view of a pop-up plastic rivet of example 1 of the present invention;
fig. 2 is a perspective view of embodiment 1 of the present invention;
FIG. 3 is a front view showing an operating state of embodiment 1 of the present invention (the staple feeding module is omitted);
FIG. 4 is a front view showing an operating state of embodiment 1 of the present invention (the staple feeding module is omitted);
FIG. 5 is a front view showing an operating state of embodiment 1 of the present invention (the staple feeding module is omitted);
FIG. 6 is a perspective view of a staple feeding module of example 1 of the present invention;
fig. 7 is a perspective view of a lever according to embodiment 1 of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-7, a core-pulling type pneumatic rivet gun includes a gun body 1, a main cylinder 2 and an engagement assembly 3 are arranged in the gun body 1, a push rod 4 is arranged at a power output end of the main cylinder 2, a clamping portion 41 is arranged on the push rod 4, and a front end of the clamping portion 41 is an open side 42; the meshing component 3 is composed of two oppositely arranged levers 31, one end of each lever 31 is a meshing end, the other end of each lever 31 is hinged with a swinging piece 32, and the variable included angle range of the swinging pieces 32 and the end parts of the levers 31 is x-y degrees; the fulcrum of the lever 31 is positioned in the middle of the lever 31 and connected with the gun body 1, two occlusion ends form an occlusion part, and the tail end of each occlusion end is provided with a cutting edge 33; the opposite sides of the two levers 31 are provided with recesses 34, said recesses 34 matching the surface of the push rod 4; a push block 43 is arranged on the push rod 4, a first slope 44 is arranged on one side of the push block 43 far away from the occlusion end, and a second slope 35 is arranged on one side of the swinging piece 32 close to the occlusion end;
when the swinging pieces 32 swing to x degrees, the gap between the two swinging pieces 32 can be used for the push block 43 to pass through;
when the oscillating member 32 oscillates to y °, the first and second slope surfaces 44 and 35 come into contact;
when the first sloping surface 44 and the second sloping surface 35 are completely contacted, the distance between the two cutting edges 33 is L1；
When the first sloping surface 44 and the second sloping surface 35 are partially contacted, the distance between the two cutting edges 33 is L2；
When the first sloping surface 44 and the second sloping surface 35 are changed from partial contact to disengagement, the distance between the two cutting edges 33 is 0;
when the push rod 4 is inserted into the engagement assembly and attached to the recess 34, the distance between the two cutting edges 33 is L3；
Wherein L is3＞L1＞L2＞0。
In the present embodiment, x is 0, y is 90; the push rod 4 is cylindrical, and the cross section of the concave part 34 is arc-shaped;
as shown in figure 1, during the operation of the core-pulling type plastic rivet, referring to figure 3, the head C of the rivet is firstly clamped into the clamping part 41, the nail body B extends out from the opening side 42, the main cylinder 2 acts to push the push rod 4 to move forwardsIn operation, when the push block 43 pushes the oscillating member 32 forward to less than y °, the entire push rod 4 enters the space formed by the two levers 31, the push rod 4 continues to move forward, the push rod 4 contacts the recess 34, and the opening of the engagement assembly is pushed larger, so that the rivet cap E can pass through the opening, when the push rod 4 moves to the extreme position, the main cylinder 2 contracts, the push rod 4 moves backward, when the first ramp 44 and the second ramp 35 completely contact, as shown in fig. 5, the distance between the two cutting edges 33 is L1The side of the engagement component and the rivet cap E close to the main cylinder 2 is close to or contacted; the push rod 4 continues to move backwards, the distance between the meshing components continues to be reduced until the first slope surface 44 and the second slope surface 35 are changed from partial contact to separation contact, the distance between the two cutting edges 33 is 0, and the cutting edges 33 are used for meshing off the core rod D; completing riveting; the push rod 4 continues to move backwards up to the other extreme position.
The reference number L4 in the drawing is the length of the loose core.
A new riveting operation can be performed by newly filling the rivet into the engaging portion 41.
In this embodiment, the free end of the push rod 4 is provided with first guide ramps 45 on its upper and lower sides. The first guide ramp 45 is adapted to facilitate contact between the push rod 4 and the recess 34 without hard impact with the recess 34.
The specific structure of the swinging member 32 is: the swinging member 32 is L-shaped, one side of the swinging member 32 is located above the end of the lever 31, and the second slope 35 is arranged on the other side of the swinging member 32. The hinge position of the oscillating piece 32 is at the bend of the L-shape.
In this embodiment, the other side of the swinging member 32 relative to the second slope surface 35 is a second guiding slope surface 36, and the second slope surface 35 and the second guiding slope surface 36 form an acute angle end;
the side of the push block 43 opposite to the first slope surface 44 is provided with a third guide slope surface 46, and the first slope surface 44 and the third guide slope surface 46 also form an acute angle end part;
the second guide slope 36 and the third guide slope 46 prevent the push block 43 and the swinging member 32 from being hard collided.
In order to improve the convenience of replacement of the wearing parts, the snap-in end is detachably fixed to the end of the lever 31.
As a specific implementation form of the lever 31, two ends of the lever 31 are connected through an inclined connecting rod, and two ends of the lever 31 are horizontal ends; the connecting rod and the two ends constitute a lever 31.
In addition, the embodiment also discloses a nail feeding module 5, wherein the nail feeding module 5 is used for automatically feeding rivets into the gun, specifically, the nail feeding module 5 comprises a nail feeding channel 51 and an auxiliary cylinder 52, a nail pushing rod 53 is arranged at the power output end of the auxiliary cylinder 52, and a torsion spring is arranged between the nail pushing rod 53 and the power output end; the nail pushing rod 53 extends into the nail feeding channel 51; the output end of the nail feeding channel 51 is opposite to the clamping part 41, and the auxiliary air cylinder 52 is linked with the main air cylinder 2; when the main cylinder 2 drives the push rod 4 to move to a preset position, the auxiliary cylinder 52 acts to push the head C of the core-pulling plastic rivet into the rivet channel 51 into the clamping part 41.
The existence of the torsion spring can enable the nail pushing rod 53 to be deeply inserted into the nail feeding channel 51 under the natural state, because the nail pushing rod 53 is provided with the angle limit, the nail pushing rod 53 can freely swing towards the direction far away from the nail feeding channel 51 but has the angle limit towards the nail feeding channel 51, the nail pushing rod 53 can not swing when pushing the rivet, and if the rivet is to be withdrawn from the nail feeding channel 51, the nail pushing rod 53 can be pulled to enable the nail pushing rod 53 to be separated from the nail feeding channel 51, and the rivet can be withdrawn.
As an optional design, the nail feeding gun further comprises a trigger 6, a main grip 7 and an auxiliary grip 8, wherein the main grip 7 and the auxiliary grip 8 are connected with the gun body 1, the trigger 6 is linked with an air valve of the main air cylinder 2, the main grip 7 is located behind the trigger 6, the auxiliary grip 8 is located in front of the trigger 6, and a waste collecting cavity 9 which is arranged opposite to the nail feeding module 5 is arranged on the gun body 1.
Claims (10)
1. A core-pulling type pneumatic rivet gun comprises a gun body and is characterized in that a main cylinder and an occlusion assembly are arranged in the gun body, a push rod is arranged at the power output end of the main cylinder, a clamping part is arranged on the push rod, and the front end of the clamping part is an open side; the occlusion component consists of two oppositely arranged levers, one end of each lever is an occlusion end, the other end of each lever is hinged with a swinging piece, and the range of a variable included angle between each swinging piece and the end part of each lever is x-y degrees; the fulcrum of the lever is positioned in the middle of the lever and connected with the gun body, the two occlusion ends form an occlusion part, and the tail ends of the occlusion ends are provided with cutting edges; the opposite sides of the two levers are provided with concave parts which are matched with the surface of the push rod; the push rod is provided with a push block, the push block is provided with a first slope surface at one side far away from the occlusion end, and the swinging piece is provided with a second slope surface at one side close to the occlusion end;
when the swinging pieces swing to x degrees, a gap between the two swinging pieces can be used for the push block to pass through;
when the swinging piece swings to y degrees, the first slope surface is contacted with the second slope surface;
when the first slope surface and the second slope surface are completely contacted, the distance between the two cutting edges is L1；
When the first slope surface and the second slope surface are partially contacted, the distance between the two cutting edges is L2；
When the first slope surface and the second slope surface are changed from partial contact to separation contact, the distance between the two cutting edges is 0;
when the push rod is inserted into the occlusion component and is jointed with the concave part, the distance between the two cutting edges is L3；
Wherein L is3＞L1＞L2＞0。
2. A core pulling pneumatic riveter as claimed in claim 1 wherein the upper and lower sides of the free end of the push rod are provided with first guide ramps.
3. A pull-core pneumatic riveter as claimed in claim 1 wherein said oscillating member is L-shaped, one side of said oscillating member being located above the end of the lever, said second ramp surface being provided on the other side of the oscillating member.
4. A core pulling pneumatic rivet gun as claimed in claim 1, wherein the swinging member is provided with a second guide slope on the other side thereof with respect to the second slope, the second slope and the second guide slope forming an acute end;
and one side of the push block, which is opposite to the first slope surface, is provided with a third guide slope surface, and the first slope surface and the third guide slope surface also form an acute angle end part.
5. A core pulling pneumatic riveter as recited in claim 1, wherein said snap end is removably secured to an end of a lever.
6. A core pulling pneumatic riveter according to claim 1 wherein two ends of said lever are connected by an inclined connecting rod, said two ends of said lever being horizontal; the connecting rod and the two ends constitute a lever.
7. The core-pulling pneumatic rivet gun according to claim 1, further comprising a rivet feeding module, wherein the rivet feeding module comprises a rivet feeding channel and an auxiliary cylinder, a rivet pushing rod is arranged at a power output end of the auxiliary cylinder, and a torsion spring is arranged between the rivet pushing rod and the power output end; the nail pushing rod extends into the nail feeding channel; the output end of the nail feeding channel is opposite to the clamping part.
8. A core pulling pneumatic riveter as recited in claim 7, wherein said auxiliary cylinder is linked to said main cylinder;
when the main cylinder drives the push rod to move to a preset position, the auxiliary cylinder acts to push the head of the core-pulling type plastic rivet in the rivet feeding channel into the clamping part.
9. A pull-core pneumatic riveter according to claim 1 further including a trigger, said trigger being in pneumatic linkage with a pneumatic valve of a master cylinder;
the gun comprises a gun body, and is characterized by further comprising a main grip and an auxiliary grip, wherein the main grip and the auxiliary grip are connected with the gun body, the main grip is located behind the trigger, and the auxiliary grip is located in front of the trigger.
10. A core pulling pneumatic rivet gun as set forth in claim 7 wherein said gun body is provided with a scrap collecting chamber disposed opposite the feed module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111676497.5A CN114378244B (en) | 2021-12-31 | 2021-12-31 | Core pulling type pneumatic rivet gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111676497.5A CN114378244B (en) | 2021-12-31 | 2021-12-31 | Core pulling type pneumatic rivet gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114378244A true CN114378244A (en) | 2022-04-22 |
| CN114378244B CN114378244B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111676497.5A Active CN114378244B (en) | 2021-12-31 | 2021-12-31 | Core pulling type pneumatic rivet gun |
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| CN (1) | CN114378244B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1481514A (en) * | 1973-07-27 | 1977-08-03 | Avdel Ltd | Riveting apparatus |
| CN2046783U (en) * | 1989-05-03 | 1989-11-01 | 康世忠 | Multifunction hand apparatus with punching, riveting, bending and shearing functions |
| US5605070A (en) * | 1994-03-04 | 1997-02-25 | Gespia Blindniettechnik Gmbh | Blind rivet nut setting device |
| CN1254635A (en) * | 1998-11-20 | 2000-05-31 | 株式会社理光 | Hollow rivet decomposing device and method, and production system using said method |
| CN1686634A (en) * | 2005-05-05 | 2005-10-26 | 贺启宇 | Hand electric core extraction pneumatic riveter |
| KR20110131826A (en) * | 2010-05-31 | 2011-12-07 | 주식회사 성우하이텍 | Self-piercing rivet system |
| CN107186155A (en) * | 2017-07-27 | 2017-09-22 | 李振飞 | Even brill connects riveting formula hand riveter |
| CN107812876A (en) * | 2017-12-13 | 2018-03-20 | 郑州默尔电子信息技术有限公司 | A kind of small-sized labour-saving riveting gun |
| CN209006604U (en) * | 2019-03-21 | 2019-06-21 | 中国民用航空飞行学院 | For fastening the device of pulling rivet |
| CN212495160U (en) * | 2020-06-30 | 2021-02-09 | 锋尚绿品零碳物联技术(青岛)有限公司 | Core-pulling type rivet pulling device |
| CN112475193A (en) * | 2020-10-30 | 2021-03-12 | 孔永峰 | Pneumatic hand riveter |
-
2021
- 2021-12-31 CN CN202111676497.5A patent/CN114378244B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1481514A (en) * | 1973-07-27 | 1977-08-03 | Avdel Ltd | Riveting apparatus |
| CN2046783U (en) * | 1989-05-03 | 1989-11-01 | 康世忠 | Multifunction hand apparatus with punching, riveting, bending and shearing functions |
| US5605070A (en) * | 1994-03-04 | 1997-02-25 | Gespia Blindniettechnik Gmbh | Blind rivet nut setting device |
| CN1254635A (en) * | 1998-11-20 | 2000-05-31 | 株式会社理光 | Hollow rivet decomposing device and method, and production system using said method |
| CN1686634A (en) * | 2005-05-05 | 2005-10-26 | 贺启宇 | Hand electric core extraction pneumatic riveter |
| KR20110131826A (en) * | 2010-05-31 | 2011-12-07 | 주식회사 성우하이텍 | Self-piercing rivet system |
| CN107186155A (en) * | 2017-07-27 | 2017-09-22 | 李振飞 | Even brill connects riveting formula hand riveter |
| CN107812876A (en) * | 2017-12-13 | 2018-03-20 | 郑州默尔电子信息技术有限公司 | A kind of small-sized labour-saving riveting gun |
| CN209006604U (en) * | 2019-03-21 | 2019-06-21 | 中国民用航空飞行学院 | For fastening the device of pulling rivet |
| CN212495160U (en) * | 2020-06-30 | 2021-02-09 | 锋尚绿品零碳物联技术(青岛)有限公司 | Core-pulling type rivet pulling device |
| CN112475193A (en) * | 2020-10-30 | 2021-03-12 | 孔永峰 | Pneumatic hand riveter |
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| Publication number | Publication date |
|---|---|
| CN114378244B (en) | 2023-09-26 |
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