CN216566147U - Novel suction nozzle of SMT chip mounter - Google Patents
Novel suction nozzle of SMT chip mounter Download PDFInfo
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- CN216566147U CN216566147U CN202122591847.XU CN202122591847U CN216566147U CN 216566147 U CN216566147 U CN 216566147U CN 202122591847 U CN202122591847 U CN 202122591847U CN 216566147 U CN216566147 U CN 216566147U
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- suction nozzle
- ball
- mounting seat
- nozzle head
- head
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Abstract
The utility model relates to a novel suction nozzle of an SMT chip mounter, which comprises a mounting seat and a suction nozzle head, wherein negative pressure channels are arranged in the mounting seat and the suction nozzle head, the bottom end of the mounting seat forms a ball socket structure, the negative pressure channel of the mounting seat extends into the ball socket structure, the top end of the suction nozzle head forms a ball head structure, the negative pressure channel of the suction nozzle head penetrates through the ball head structure, and the ball head structure is accommodated in the ball socket structure; the locking piece is connected with the ball head structure and the ball socket structure and is broken before the mounting seat and the suction nozzle head when lateral impact occurs; when the utility model is in face of lateral impact, the utility model can actively break and block the negative pressure channel to cause the machine to alarm, thereby reducing the loss.
Description
Technical Field
The utility model relates to the field of chip mounter accessories, in particular to a novel suction nozzle of an SMT chip mounter.
Background
In the conventional Surface mounting process, various components are sucked from a component tray belt or tray by the Surface Mounting Technology (SMT), and then are carried to the correct position of a printed circuit board to be Mounted by the Surface Mounting Technology (SMT).
The suction nozzle structure of the existing chip mounter is shown in fig. 1 and generally comprises a base and a nozzle head, wherein a spring is arranged between the suction nozzle base and the nozzle head and can play a role in buffering in the axial direction, so that the impact force of the suction nozzle of the chip mounter on components is reduced, and the damage to the components is avoided. However, in the actual production process, the suction nozzle of the chip mounter needs to face not only the axial impact force but also lateral impact in some cases, for example, the suction nozzle may impact the mounted component on the PCB in the case of the PCB being raised; when the machine platform falls into the foreign matter, the suction nozzle can also bump the foreign matter, when the existing suction nozzle structure encounters lateral impact, acting force can be directly transmitted to the suction nozzle rod and the bumped object, although the incidence rate of the situation is low, once the situation occurs, great loss can be caused, and even the machine platform can be damaged.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to overcome the defects in the prior art, and to provide a novel suction nozzle of an SMT chip mounter, which will actively break when a lateral impact is encountered, and block a negative pressure channel, causing a machine alarm, thereby reducing loss.
The novel suction nozzle of the SMT chip mounter comprises a mounting seat and a suction nozzle head, wherein negative pressure channels are arranged in the mounting seat and the suction nozzle head, the bottom end of the mounting seat forms a ball socket structure, the negative pressure channel of the mounting seat extends into the ball socket structure, the top end of the suction nozzle head forms a ball head structure, the negative pressure channel of the suction nozzle head penetrates through the ball head structure, and the ball head structure is accommodated in the ball socket structure; the locking piece is connected with the ball head structure and the ball socket structure and is broken before the mounting seat and the suction nozzle head when lateral impact occurs.
Furthermore, jacks are formed in the ball socket structure and the ball head structure, and the locking piece is a pin inserted in the jacks of the ball head structure and the ball socket structure.
Furthermore, the mounting seat comprises a connecting piece and a positioning cover, the ball-and-socket structure is formed by the connecting piece and the positioning cover together, the positioning cover at least forms the lower half part of the ball-and-socket structure, the positioning cover contains the bottom end of the connecting piece, the locking piece is a plurality of braking pieces arranged on the inner wall of the positioning cover, the braking pieces are distributed in a central symmetry manner in multiple directions, a clamping groove extending along the surface of the ball head structure is arranged on the ball head structure of the suction nozzle head, and the braking pieces are clamped in the clamping groove.
The suction nozzle head comprises a fixed member and a tubular movable member, the bulb structure is formed on the fixed member, a negative pressure channel of the suction nozzle head is composed of shaft holes formed in the fixed frame and the movable frame, the movable member is inserted into the shaft hole of the fixed member, a buffer spring is arranged between the movable member and the fixed member, a long strip-shaped through hole is formed in a tube body of the movable member, and a limiting bulge matched in the through hole is arranged in the shaft hole of the fixed member.
Furthermore, the mounting seat and the negative pressure channel of the suction nozzle head are mutually butted under the condition that the mounting seat and the suction nozzle head are coaxial, and a necking is formed at the butted position of the mounting seat and the negative pressure channel of the suction nozzle head.
The utility model has the beneficial effects that: the utility model discloses a novel suction nozzle of an SMT chip mounter, which is characterized in that a mounting seat and a suction nozzle head of the suction nozzle are connected through a ball head structure and a ball socket structure which are matched with each other, and the ball head structure and the ball socket structure are connected through a locking piece which is broken before the mounting seat and the suction nozzle head when lateral impact occurs, so that the suction nozzle head can be deviated after the locking piece is broken when the lateral impact occurs, the height of the lowest position of the suction nozzle head is increased, an impact object is avoided, the internal negative pressure channel is not smooth any more due to the deviated suction nozzle head, a gas flow obstruction in the negative pressure channel can be sensed by a gas pressure monitoring system of the chip mounter, an alarm is sent, and the phenomenon that the machine continues to operate and larger loss is caused is avoided.
Drawings
The utility model is further described below with reference to the following figures and examples:
FIG. 1 is a schematic view of a prior art suction nozzle;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic structural view of a positioning cap and a ball head structure according to the present invention;
fig. 4 is a schematic structural diagram of a locking member in another embodiment of the present invention.
Description of reference numerals: the suction nozzle comprises a mounting seat 1, a connecting piece 11, a positioning cover 12, a brake piece 121, a ball socket structure 13, a suction nozzle head 2, a fixed member 21, a movable member 22, a buffer spring 23, a through hole 221, a limiting protrusion 231, a ball head structure 24, a clamping groove 241, a negative pressure channel 3, a reducing opening 31 and a locking piece 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
As shown in fig. 2-3, the novel suction nozzle of the SMT chip mounter in this embodiment includes a mounting base 1 and a suction nozzle head 2, negative pressure channels 3 are provided in the mounting base 1 and the suction nozzle head 2, a ball socket structure 13 is formed at a bottom end of the mounting base 1, the negative pressure channels 3 of the mounting base 1 extend into the ball socket structure 13, a ball head structure 24 is formed at a top end of the suction nozzle head 2, the negative pressure channels 3 of the suction nozzle head 2 penetrate through the ball head structure 24, and the ball head structure 24 is accommodated in the ball socket structure 13. In the normal state, the mount 1 and the suction nozzle are coaxially arranged, and the negative pressure passage 3 of both remains normal.
The utility model also comprises a locking piece 4, the structural strength of the locking piece 4 is lower than that of the mounting seat 1 and the suction nozzle head 2, the locking piece 4 is used for connecting the ball head structure 24 and the ball socket structure 13, when lateral impact occurs, the locking is simple before the mounting seat 1 and the suction nozzle head 2 are broken, the suction nozzle head 2 after being broken can not keep coaxial with the mounting seat 1 under the action of external force, but is deviated, the lowest point of the suction nozzle head 2 can be lifted to a certain extent so as to avoid an impact object, meanwhile, the negative pressure channel 3 which is originally smooth between the mounting seat 1 and the suction nozzle head 2 is blocked or even closed due to the deviation of the suction nozzle head 2, and an air pressure monitoring system carried by the patch machine can detect the abnormity during air circulation, so that a corresponding protection program is executed.
As shown in fig. 4, in an embodiment, the ball-and-socket structure 13 and the ball-and-socket structure 24 are provided with insertion holes, and the locking member 4 is a pin inserted into the insertion holes of the ball-and-socket structure 24 and the ball-and-socket structure 13, which is simple in structure and low in cost.
In this embodiment, the mounting seat 1 includes a connecting member 11 and a positioning cover 12, the ball-and-socket structure 13 is formed by the connecting member 11 and the positioning cover 12, and the positioning cover 12 forms at least a lower half portion of the ball-and-socket structure 13, so that the ball-head structure 24 is limited by the connecting member 11 and the positioning cover 12, the positioning cover 12 can be removed and any component can be replaced, the positioning cover 12 encloses the bottom end of the connecting member 11, the locking member 4 is a plurality of retaining pieces 121 disposed on the inner wall of the positioning cover 12, the plurality of retaining pieces 121 are distributed in a central symmetry manner in multiple directions, in this embodiment, the retaining pieces 121 are distributed in a triangular manner, the ball-head structure 24 of the nozzle head 2 is provided with a retaining groove 241 extending along the surface of the ball-head structure 24, the retaining pieces 121 are retained in the retaining groove 241, this structure is somewhat simpler to assemble than a pin type, can be replaced independently after being damaged.
In this implementation, the nozzle head 2 includes a fixed member 21 and a tubular movable member 22, which are used to connect to the mounting base 1, the ball head structure 24 is formed on the fixed member 21, the negative pressure channel 3 of the nozzle head 2 is formed by shaft holes formed on the fixed frame and the movable frame, the movable member 22 is inserted into the shaft hole of the fixed member 21, a buffer spring 23 is arranged between the movable member 22 and the fixed member 21, which has an axial buffer effect and prevents the impact force from damaging the components, a long strip-shaped through hole 221 is formed on the tube body of the movable member 22, a limit protrusion 231 matched in the through hole 221 is arranged in the shaft hole of the fixed member 21, and the matching between the through hole 221 and the limit protrusion 231 can limit the movable member 22 from extending into the negative pressure channel 3 portion in the mounting base 1.
In this embodiment, the mounting seat 1 and the negative pressure channel 3 of the suction nozzle head 2 are mutually folded under the condition that the mounting seat 1 and the suction nozzle head 2 are coaxial, and the reduced opening 31 is formed at the folding position of the mounting seat 1 and the negative pressure channel 3 of the suction nozzle head 2, so that the negative pressure channel 3 can be completely closed after the suction nozzle head 2 is deviated.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (5)
1. The utility model provides a novel suction nozzle of SMT chip mounter, includes mount pad and suction nozzle head, the mount pad with all be provided with negative pressure channel, its characterized in that in the suction nozzle head: the bottom end of the mounting seat forms a ball socket structure, a negative pressure channel of the mounting seat extends into the ball socket structure, the top end of the suction nozzle head forms a ball head structure, the negative pressure channel of the suction nozzle head penetrates through the ball head structure, and the ball head structure is accommodated in the ball socket structure; the locking piece is connected with the ball head structure and the ball socket structure and is broken before the mounting seat and the suction nozzle head when lateral impact occurs.
2. The novel suction nozzle of the SMT chip mounter according to claim 1, wherein: the ball socket structure and the ball head structure are provided with jacks, and the locking piece is a pin inserted in the jacks of the ball head structure and the ball socket structure.
3. The novel suction nozzle of the SMT chip mounter according to claim 1, wherein: the mounting seat comprises a connecting piece and a positioning cover, the ball-and-socket structure is formed by the connecting piece and the positioning cover together, the positioning cover at least forms the lower half part of the ball-and-socket structure, the positioning cover contains the bottom end of the connecting piece, the locking piece is a plurality of braking pieces arranged on the inner wall of the positioning cover, the braking pieces are distributed in a central symmetry mode in multiple directions, a clamping groove extending along the surface of the ball head structure is arranged on the ball head structure of the suction nozzle head, and the braking pieces are clamped in the clamping groove.
4. The novel suction nozzle of an SMT chip mounter according to any one of claims 1-3, wherein: the suction nozzle head comprises a fixed component and a tubular movable component, the ball head structure is formed on the fixed component, a negative pressure channel of the suction nozzle head is composed of shaft holes formed in the fixed component and the movable component, the movable component is inserted in the shaft hole of the fixed component, a buffer spring is arranged between the movable component and the fixed component, a long-strip-shaped through hole is formed in a pipe body of the movable component, and a limiting bulge matched in the through hole is arranged in the shaft hole of the fixed component.
5. The novel suction nozzle of an SMT chip mounter according to claim 4, wherein: the mounting seat and the negative pressure channel of the suction nozzle head are mutually closed under the condition that the mounting seat and the suction nozzle head are coaxial, and a necking is formed at the closing position of the mounting seat and the negative pressure channel of the suction nozzle head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122591847.XU CN216566147U (en) | 2021-10-27 | 2021-10-27 | Novel suction nozzle of SMT chip mounter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122591847.XU CN216566147U (en) | 2021-10-27 | 2021-10-27 | Novel suction nozzle of SMT chip mounter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216566147U true CN216566147U (en) | 2022-05-17 |
Family
ID=81569034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122591847.XU Active CN216566147U (en) | 2021-10-27 | 2021-10-27 | Novel suction nozzle of SMT chip mounter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216566147U (en) |
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2021
- 2021-10-27 CN CN202122591847.XU patent/CN216566147U/en active Active
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