CN220253217U - Pressure protection anti-blocking suction nozzle - Google Patents
Pressure protection anti-blocking suction nozzle Download PDFInfo
- Publication number
- CN220253217U CN220253217U CN202321072207.0U CN202321072207U CN220253217U CN 220253217 U CN220253217 U CN 220253217U CN 202321072207 U CN202321072207 U CN 202321072207U CN 220253217 U CN220253217 U CN 220253217U
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- suction nozzle
- pipe body
- nozzle head
- top ring
- tube
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- 239000003292 glue Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 2
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to a pressure protection anti-blocking suction nozzle, which comprises a sleeve, a suction nozzle head, an elastic piece and a top ring, wherein the sleeve comprises a first pipe body, a second pipe body and a third pipe body which are coaxially arranged and sequentially connected, the inner diameter of the first pipe body is smaller than that of the second pipe body, the second pipe body is used for being connected with a swing arm of a die bonder, the suction nozzle head is in sliding connection with the first pipe body, an air guide hole is formed in the suction nozzle head, the top ring is fixedly arranged in the third pipe body, the elastic piece is arranged in the second pipe body, one side of the elastic piece is connected with the suction nozzle head, and the other side of the elastic piece is connected with the top ring; the problem that after the swing arm of the die bonder clamps the sleeve, the sleeve has a trend of inward shrinkage deformation, the sliding process of the suction nozzle head is influenced, the suction nozzle head is blocked, so that the suction nozzle head is in hard contact with an electrical element, and the electrical element is damaged is solved.
Description
Technical Field
The utility model relates to the technical field of suction nozzles, in particular to a pressure protection anti-jamming suction nozzle.
Background
The suction nozzle is commonly used for working procedures such as LED chip sorting, LED die bonding, laser device chip picking or chip sticking of semiconductor chips on a bracket, and the like, and the principle is that negative pressure is generated on the suction nozzle through a through hole in the suction nozzle so as to suck an electric element.
However, after the swing arm of the die bonder clamps the sleeve, the sleeve has a tendency of inward shrinkage deformation, the sliding process of the suction nozzle head is affected, and the suction nozzle head is blocked, so that the suction nozzle head is in hard contact with the electrical element, and the electrical element is damaged.
Disclosure of Invention
In view of the above, it is necessary to provide a pressure protection anti-jamming suction nozzle for solving the problems that after the swing arm of the die bonder clamps the sleeve, the sleeve has a tendency of inward shrinkage deformation, the sliding process of the suction nozzle head is affected, the suction nozzle head is jammed, so that the suction nozzle head is in hard contact with the electrical component, and the electrical component is damaged.
The utility model provides a pressure protection anti-blocking suction nozzle, which comprises a sleeve, a suction nozzle head, an elastic piece and a top ring, wherein the sleeve comprises a first pipe body, a second pipe body and a third pipe body which are coaxially arranged and sequentially connected, the inner diameter of the first pipe body is smaller than that of the second pipe body, the second pipe body is used for being connected with a swing arm of a die bonder, the suction nozzle head is in sliding connection with the first pipe body, an air guide hole is formed in the suction nozzle head, the top ring is fixedly arranged in the third pipe body, the elastic piece is arranged in the second pipe body, one side of the elastic piece is connected with the suction nozzle head, and the other side of the elastic piece is connected with the top ring.
Further, the length of the first pipe body is smaller than that of the second pipe body.
Further, the first pipe body is in a gradually-expanded conical tubular structure along the direction close to the second pipe body, and the part of the second pipe body close to the first pipe body is in a conical tubular structure.
Further, the inner diameter of the second pipe body is smaller than the inner diameter of the third pipe body.
Further, the first pipe body, the second pipe body and the third pipe body are integrally connected.
Further, the suction nozzle head comprises a suction nozzle rod and a connecting ring, the suction nozzle rod is in sliding connection with the first pipe body, one end of the suction nozzle rod extends out of the first pipe body, the other end of the suction nozzle rod extends into the second pipe body and is fixedly connected with the connecting ring, and air guide holes communicated with the inside of the second pipe body are formed in the suction nozzle rod and the connecting ring.
Further, the cross section of the suction nozzle head along the length direction is T-shaped.
Furthermore, the opposite sides of the suction nozzle head and the top ring are in a ladder shape, the elastic piece is a spring, and two ends of the spring are fixedly connected with the ladder of the suction nozzle head and the ladder of the top ring respectively.
Further, the outer wall of top ring is provided with the external screw thread, the inner wall of third body is provided with the internal screw thread, the external screw thread of top ring with the internal screw thread of third body between the cooperation be connected, and the clearance department between the two is filled with the screw gum.
Further, the external diameter of top ring is less than the internal diameter of third body, one side fixedly connected with of top ring two elastic pieces, two interval between the elastic pieces is followed keeping away from the direction of top ring increases gradually, the elastic piece is arc platy, two the opposite side of elastic piece is the indent, two the elastic piece all is provided with the external screw thread on one side that the elastic piece is on the back mutually, two the elastic piece with the internal screw thread cooperation connection that the inner wall department of third body set up.
Compared with the prior art, the die bonder swing arm clamps the second pipe body of the sleeve, and because the suction nozzle head is in sliding connection with the first pipe body and the first pipe body is not subjected to clamping force of the die bonder swing arm, the suction nozzle head can stably slide in the first pipe body, and meanwhile, the inner diameter of the first pipe body is smaller than that of the second pipe body, the second pipe body is stressed to shrink inwards and deform so as not to influence the sliding of the part of the suction nozzle head in the second pipe body, thereby effectively avoiding the phenomenon of clamping and stopping of the suction nozzle head.
Drawings
Fig. 1 is a schematic structural diagram of an entirety of a pressure protection anti-jamming suction nozzle according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a top ring in a pressure protection anti-jamming suction nozzle according to an embodiment of the present utility model.
Detailed Description
Preferred embodiments of the present utility model will now be described in detail with reference to the accompanying drawings, which form a part hereof, and together with the description serve to explain the principles of the utility model, and are not intended to limit the scope of the utility model.
As shown in fig. 1, the pressure protection anti-jamming suction nozzle provided by the utility model comprises a sleeve 100, a suction nozzle head 200, an elastic piece 300 and a top ring 410, wherein the sleeve 100 comprises a first pipe body 110, a second pipe body 120 and a third pipe body 130 which are coaxially arranged and sequentially connected, the inner diameter of the first pipe body 110 is smaller than that of the second pipe body 120, the second pipe body 120 is used for being connected with a swing arm of a die bonder, the suction nozzle head 200 is in sliding connection with the first pipe body 110, an air guide hole is formed in the suction nozzle head 200, the top ring 410 is fixedly arranged in the third pipe body 130, the elastic piece 300 is arranged in the second pipe body 120, one side of the elastic piece 300 is connected with the suction nozzle head 200, and the other side of the elastic piece 300 is connected with the top ring 410.
In implementation, the die bonder swing arm clamps the second tube 120 of the sleeve 100, and the suction nozzle head 200 is slidably connected with the first tube 110 and the first tube 110 is not subject to the clamping force of the die bonder swing arm, so the suction nozzle head 200 can stably slide in the first tube 110, and meanwhile, by setting the inner diameter of the first tube 110 smaller than that of the second tube 120, the second tube 120 is forced to shrink inwards and deform so as not to affect the sliding of the suction nozzle head 200 in the second tube 120, thereby effectively avoiding the clamping phenomenon of the suction nozzle head 200.
The sleeve 100 in this embodiment serves as a gas passage of the nozzle head 200, one end of which is externally connected to a negative pressure gas source, and the other end of which is provided with the nozzle head 200, and adsorbs electrical components by negative pressure generated at the nozzle head 200. In the application process, the die bonder swing arm needs to be mounted on the die bonder swing arm, specifically, the die bonder swing arm comprises two clamping plates, a mounting hole matched with the sleeve 100 is formed between the two clamping plates, and the sleeve 100 can be clamped in the mounting hole through the two clamping plates. In order to avoid the influence of the external force of the clamping plate on the sliding of the suction nozzle head 200 in the sleeve 100, the sleeve 100 is firstly subjected to sectional treatment, specifically, the sleeve 100 comprises a first pipe body 110, a second pipe body 120 and a third pipe body 130 which are coaxially arranged and sequentially connected, wherein the inner diameter of the first pipe body 110 is smaller than that of the second pipe body 120, and the second pipe body 120 is used for being connected with a swing arm of a die bonder.
In one embodiment, the length of the first tube 110 is less than the length of the second tube 120.
It is understood that the length of the first tube 110 should be 0.1-0.3 times the length of the second tube 120, and the length of the corresponding second tube 120 should be increased and the length of the corresponding first tube 110 should be decreased as compared to the conventional nozzle sleeve 100.
It should be noted that, the first pipe body 110 is provided with a sliding hole adapted to the nozzle head 200, the inner diameter precision of the sliding hole is required to be high, the nozzle head 200 needs to be ensured to slide smoothly in the sliding hole, meanwhile, the gap between the sliding block and the nozzle head 200 should be smaller to reduce the air leakage, if the aperture of the sliding hole is larger, the air leakage is large and the nozzle head 200 swings, and if the aperture of the sliding block is smaller, the sliding of the nozzle head 200 is affected.
Based on the above-described characteristics of the slide hole, if the first tube 110 is clamped by the swing arm of the die bonder, the change of the aperture of the slide hole is very easy to affect the use process of the suction nozzle head 200, so that the first tube 110 is partially set not to contact with the swing arm of the die bonder.
To avoid clamping the swing arm of the die bonder to the first tube 110, in one embodiment, the first tube 110 has a tapered tubular structure that diverges in a direction toward the second tube 120, and a portion of the second tube 120 near the first tube 110 has a tapered tubular structure.
To facilitate the sequential installation of the nozzle head 200, the elastic member 300, and the top ring 410 within the sleeve 100, in one embodiment, the inner diameter of the second tube 120 is smaller than the inner diameter of the third tube 130.
The first pipe body 110, the second pipe body 120, and the third pipe body 130 in this embodiment are integrally connected.
The nozzle head 200 in this embodiment is in contact with the electrical component, the nozzle head 200 is slidably connected to the first tube 110, and an air vent is formed inside the nozzle head 200.
In one embodiment, the nozzle head 200 includes a nozzle bar 210 and a connection ring 220, the nozzle bar 210 is slidably connected to the first tube 110, one end of the nozzle bar 210 extends out of the first tube 110, the other end of the nozzle bar 210 extends into the second tube 120 and is fixedly connected to the connection ring 220, and air holes communicating with the inside of the second tube 120 are formed inside the nozzle bar 210 and the connection ring 220. Wherein the nozzle head 200 has a T-shaped cross section along its length.
It should be noted that, the length of the nozzle head 200 in this embodiment is greatly shortened compared to the prior art, so as to be adapted to the first tube 110 of the sleeve 100.
In one embodiment, the opposite sides of the nozzle head 200 and the top ring 410 are in a step shape, and the elastic member 300 is a spring, and two ends of the spring are fixedly connected with the step of the nozzle head 200 and the step of the top ring 410, respectively.
The top ring 410 in this embodiment is a structure for fixing the elastic member 300.
In one embodiment, the outer wall of the top ring 410 is provided with external threads 411, the inner wall of the third pipe body 130 is provided with internal threads 131, the external threads 411 of the top ring 410 and the internal threads 131 of the third pipe body 130 are connected in a matched manner, and a gap between the external threads 411 and the internal threads 131 of the third pipe body 130 is filled with screw glue.
As shown in fig. 2, in another embodiment, the outer diameter of the top ring 410 is smaller than the inner diameter of the third pipe body 130, two elastic blocks are fixedly connected to one side of the top ring 410, the distance between the two elastic blocks increases gradually along the direction away from the top ring 410, the elastic blocks are arc-shaped plate-like, opposite sides of the two elastic blocks are concave, external threads 411 are provided on opposite sides of the two elastic blocks, and the two elastic blocks are connected with internal threads 131 provided on the inner wall of the third pipe body 130 in a matching manner. The external thread 411 on the elastic block can be tightly attached to the internal thread 131 of the third pipe body 130 by the elastic force of the elastic block, so that the screw is not required to be fixed, and the screw is prevented from volatilizing to adhere to the suction nozzle head 200, and the sliding of the suction nozzle head 200 is prevented from being influenced.
Compared with the prior art: the second pipe body 120 department of sleeve pipe 100 is held to the die bonder swing arm, because suction nozzle head 200 and first pipe body 110 sliding connection and first pipe body 110 do not receive the clamping force of die bonder swing arm, consequently, suction nozzle head 200 can stably slide in first pipe body 110, simultaneously, through setting up the internal diameter of first pipe body 110 to be less than the internal diameter of second pipe body 120, the part that second pipe body 120 atress inwards contracts the deformation and also does not influence suction nozzle head 200 slides in second pipe body 120, thereby effectively avoid suction nozzle head 200 card to hang up the phenomenon.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (10)
1. The pressure protection anti-jamming suction nozzle is characterized by comprising a sleeve, a suction nozzle head, an elastic piece and a top ring;
the casing comprises a first pipe body, a second pipe body and a third pipe body which are coaxially arranged and sequentially connected, wherein the inner diameter of the first pipe body is smaller than that of the second pipe body, and the second pipe body is used for being connected with a swing arm of the die bonder;
the suction nozzle head is in sliding connection with the first pipe body, and an air guide hole is formed in the suction nozzle head;
the top ring is fixedly arranged in the third pipe body;
the elastic piece is arranged in the second pipe body, one side of the elastic piece is connected with the suction nozzle head, and the other side of the elastic piece is connected with the top ring.
2. The pressure protection anti-seize nozzle as defined in claim 1, wherein the length of said first tube is less than the length of said second tube.
3. The pressure protection anti-seize suction nozzle as claimed in claim 1, wherein said first tube body is tapered tubular in shape in a direction approaching said second tube body, and a portion of said second tube body approaching said first tube body is tapered tubular in shape.
4. The pressure protection anti-seize suction nozzle as defined in claim 1, wherein the inner diameter of the second tube is smaller than the inner diameter of the third tube.
5. The pressure protection anti-seize suction nozzle as defined in claim 1, wherein said first, second and third tubes are integrally connected.
6. The pressure protection anti-seizing suction nozzle as set forth in claim 1, wherein said suction nozzle head includes a suction nozzle rod and a connection ring, said suction nozzle rod being slidably connected with said first tube body, one end of said suction nozzle rod extending outside said first tube body, the other end of said suction nozzle rod extending into said second tube body and being fixedly connected with said connection ring, said suction nozzle rod and said connection ring being internally formed with said air-guide hole communicating with the inside of said second tube body.
7. The pressure protection anti-seize suction nozzle as defined in claim 6, wherein said nozzle head is T-shaped in cross section along its length.
8. The pressure protection anti-jamming suction nozzle according to claim 1, wherein one side of the suction nozzle head opposite to the top ring is in a step shape, the elastic piece is a spring, and two ends of the spring are fixedly connected with the step of the suction nozzle head and the step of the top ring respectively.
9. The pressure protection anti-jamming suction nozzle according to claim 1, wherein an outer wall of the top ring is provided with an outer thread, an inner wall of the third pipe body is provided with an inner thread, the outer thread of the top ring and the inner thread of the third pipe body are connected in a matched mode, and a gap between the outer thread of the top ring and the inner thread of the third pipe body is filled with screw glue.
10. The pressure protection anti-jamming suction nozzle according to claim 1, wherein the outer diameter of the top ring is smaller than the inner diameter of the third pipe body, two elastic blocks are fixedly connected to one side of the top ring, the distance between the two elastic blocks is gradually increased along the direction away from the top ring, the elastic blocks are arc-shaped plates, the opposite sides of the two elastic blocks are concave, external threads are arranged on the opposite sides of the two elastic blocks, and the two elastic blocks are connected with the internal threads arranged on the inner wall of the third pipe body in a matched mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321072207.0U CN220253217U (en) | 2023-05-06 | 2023-05-06 | Pressure protection anti-blocking suction nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321072207.0U CN220253217U (en) | 2023-05-06 | 2023-05-06 | Pressure protection anti-blocking suction nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220253217U true CN220253217U (en) | 2023-12-26 |
Family
ID=89262591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321072207.0U Active CN220253217U (en) | 2023-05-06 | 2023-05-06 | Pressure protection anti-blocking suction nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220253217U (en) |
-
2023
- 2023-05-06 CN CN202321072207.0U patent/CN220253217U/en active Active
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