CN209878187U - Column type pressure sensor - Google Patents
Column type pressure sensor Download PDFInfo
- Publication number
- CN209878187U CN209878187U CN201920735555.9U CN201920735555U CN209878187U CN 209878187 U CN209878187 U CN 209878187U CN 201920735555 U CN201920735555 U CN 201920735555U CN 209878187 U CN209878187 U CN 209878187U
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- pressure sensor
- suction nozzle
- base
- sensor according
- nozzle
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Abstract
The utility model provides a column type pressure sensor, include: fixed pipe of suction nozzle, elastomer, foil gage and base, the base the elastomer with the fixed pipe of suction nozzle from top to bottom connects gradually, set up the gas pocket on the base, the gas pocket by the base to the direction of the fixed pipe of suction nozzle extends and runs through the tip of the fixed pipe of suction nozzle, the foil gage set up in on the circumference lateral wall of elastomer. The utility model discloses make the through-hole with the center, move the gas circuit to the back, reduce the influence of gas circuit.
Description
Technical Field
The utility model relates to a resistance strain sensor field, in particular to column type pressure sensor and installation are used.
Background
In the mounting process of the IC chip, certain pressure needs to be applied to the welding chip to ensure the welding quality, but on a common chip mounter, because a pressure sensor is not arranged, the force value cannot be controlled, the chip is easily crushed, or the force value is insufficient to cause poor false welding of the chip. The common sensor is not provided with a through hole in the middle, the air path is arranged at the front end of the suction nozzle, the influence of the air path on inflation and deflation can influence the output of the sensor when moving up and down, and the influence is large and misjudgment is easily caused for small force values.
SUMMERY OF THE UTILITY MODEL
The utility model provides a column type pressure sensor of middle ventilation to solve above-mentioned technical problem.
In order to solve the above problems, according to an aspect of the present invention, there is provided a column type pressure sensor, including: fixed pipe of suction nozzle, elastomer, foil gage and base, the base the elastomer with the fixed pipe of suction nozzle from top to bottom connects gradually, set up the gas pocket on the base, the gas pocket by the base to the direction of the fixed pipe of suction nozzle extends and runs through the tip of the fixed pipe of suction nozzle, the foil gage set up in on the circumference lateral wall of elastomer.
Preferably, the nozzle fixing tube is formed with a positioning step thereon.
Preferably, the column pressure sensor further comprises a suction nozzle installed on the suction nozzle fixing tube.
Preferably, the suction nozzle fixing pipe is provided with a fixing step for fixing the suction nozzle.
Preferably, the base is provided with a wire passing hole, a cable is arranged in the wire passing hole, and the cable is connected with the strain gauge.
Preferably, the column pressure sensor further comprises a housing, one end of the housing is connected to the base, the other end of the housing is connected to the suction nozzle fixing pipe, and the elastic body is located in the housing.
Preferably, the column pressure sensor further comprises an air pipe, and one end of the air pipe is connected with the air hole.
Preferably, the column pressure sensor further comprises an installation accessory, an air outlet pipe of the installation accessory is in threaded connection with the air hole, and one end of the air pipe is connected with an air inlet of the installation accessory.
Preferably, a sealing gasket is arranged between the suction nozzle and the suction nozzle fixing pipe.
Preferably, the base, the elastic body, and the nozzle fixing tube are integrally formed.
Since the technical scheme is used, the utility model discloses make the through-hole with the center, move the gas circuit to the back, reduce the influence of gas circuit.
Drawings
Fig. 1 schematically shows a perspective view of the present invention;
FIG. 2 schematically shows a cross-sectional view of the first embodiment;
FIG. 3 schematically shows a top view of FIG. 2;
FIG. 4 schematically shows a front view of the second embodiment;
FIG. 5 schematically illustrates a schematic view of another angle of FIG. 4;
FIG. 6 schematically shows a cross-sectional view of FIG. 4;
fig. 7 schematically shows a top view of the second embodiment.
Reference numbers in the figures: 1. a suction nozzle fixing pipe; 2. an elastomer; 3. a strain gauge; 4. a base; 5. air holes; 6. positioning a step; 7. a suction nozzle; 8. fixing the step; 9. a wire passing hole; 10. a cable; 11. a housing; 12. an air tube; 13. installing accessories; 14. a gasket seal.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
The utility model discloses an aspect provides a column type pressure sensor, include: fixed pipe 1 of suction nozzle, elastomer 2, foil gage 3 and base 4, base 4 elastomer 2 with the fixed pipe 1 of suction nozzle from top to bottom connects gradually, air pocket 5 has been seted up on base 4, air pocket 5 by base 4 to the direction of the fixed pipe 1 of suction nozzle extends and runs through the tip of the fixed pipe 1 of suction nozzle, foil gage 3 set up in on the circumference lateral wall of elastomer 2.
Preferably, the nozzle fixing tube 1 is formed with a positioning step 6. Preferably, the column type pressure sensor further comprises a suction nozzle 7, and the suction nozzle 7 is mounted on the suction nozzle fixing tube 1. Preferably, the suction nozzle fixing tube 1 has a fixing step 8 for fixing the suction nozzle 7.
After the sensor is integrally installed, firstly, the chip to be adsorbed is adsorbed by the suction nozzle 7 under the action of negative pressure, when the chip is moved to a chip-mounting position, the motor driving mechanism on the chip mounter presses down, and the pressing pressure is transmitted to the elastic body 2 through the suction nozzle 7, so that the micro deformation of the elastic body 2 is caused. The strain gauge adhered to the elastic body outputs an electric signal, and the output electric signal is amplified by the rear-end instrument and then processed by the upper computer. In the set force value range, the upper computer adjusts and controls the collected force value, so that the force value is controlled.
The strain gauges are respectively stuck on the outer circumference of the elastic body along the directions parallel and vertical to the axis, the air hole 5 in the middle is used for connecting with an air pipe, and the air pipe is connected with a negative pressure device and used for vacuum adsorption.
Since the technical scheme is used, the utility model discloses make the through-hole with the center, move the gas circuit to the back, reduce the influence of gas circuit.
Preferably, a wire passing hole 9 is formed in the base 4, a cable 10 is arranged in the wire passing hole 9, and the cable 10 is connected with the strain gauge 3. The cable 10 may be bent 90 degrees at the wire passage hole 9 upon installation to facilitate assembly.
Preferably, the column pressure sensor further comprises a housing 11, one end of the housing 11 is connected to the base 4, the other end of the housing 11 is connected to the nozzle fixing tube 1, and the elastic body 2 is located in the housing 11. The shell 11 is used for protection, a sealing gasket is added between two planes during installation, and meanwhile, a sealing glue is also used as a leakage-proof function on a connecting thread.
Preferably, the column pressure sensor further comprises an air pipe 12, and one end of the air pipe 12 is connected with the air hole 5.
Preferably, the column pressure sensor further comprises an installation accessory 13, an air outlet pipe of the installation accessory 13 is in threaded connection with the air hole 5, and the one end of the air pipe 12 is connected with an air inlet of the installation accessory 13.
Preferably, a sealing gasket 14 is disposed between the suction nozzle 7 and the suction nozzle fixing tube 1.
Preferably, the base 4, the elastic body 2, and the nozzle fixing tube 1 are integrally formed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A column pressure sensor, comprising: fixed pipe (1) of suction nozzle, elastomer (2), foil gage (3) and base (4), base (4) elastomer (2) with the fixed pipe (1) of suction nozzle from top to bottom connects gradually, set up gas pocket (5) on base (4), gas pocket (5) by base (4) to the direction of the fixed pipe (1) of suction nozzle extends and runs through the tip of the fixed pipe (1) of suction nozzle, foil gage (3) set up in on the circumference lateral wall of elastomer (2).
2. The column pressure sensor according to claim 1, wherein the nozzle fixing tube (1) is formed with a positioning step (6).
3. The column pressure sensor according to claim 1, characterized in that it further comprises a suction nozzle (7), said suction nozzle (7) being mounted on said nozzle-fixing tube (1).
4. The column pressure sensor according to claim 3, characterized in that the nozzle fixing tube (1) has a fixing step (8) for fixing the nozzle (7).
5. The column type pressure sensor according to claim 1, wherein the base (4) is provided with a wire through hole (9), a cable (10) is arranged in the wire through hole (9), and the cable (10) is connected with the strain gauge (3).
6. The column pressure sensor according to claim 1, characterized in that it further comprises a housing (11), one end of the housing (11) is connected to the base (4), the other end of the housing (11) is connected to the nozzle fixing tube (1), and the elastic body (2) is located inside the housing (11).
7. The column pressure sensor according to claim 1, further comprising an air tube (12), wherein one end of the air tube (12) is connected to the air hole (5).
8. The column pressure sensor according to claim 7, further comprising a mounting fitting (13), wherein an outlet pipe of the mounting fitting (13) is threadedly connected to the air hole (5), and wherein the one end of the air pipe (12) is connected to an inlet port of the mounting fitting (13).
9. The column pressure sensor according to claim 3, characterized in that a sealing gasket (14) is provided between the suction nozzle (7) and the nozzle-holding tube (1).
10. The column pressure sensor according to claim 1, wherein the base (4), the elastic body (2) and the nozzle fixing tube (1) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920735555.9U CN209878187U (en) | 2019-05-21 | 2019-05-21 | Column type pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920735555.9U CN209878187U (en) | 2019-05-21 | 2019-05-21 | Column type pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209878187U true CN209878187U (en) | 2019-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920735555.9U Active CN209878187U (en) | 2019-05-21 | 2019-05-21 | Column type pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209878187U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112623744A (en) * | 2020-12-18 | 2021-04-09 | 博众精工科技股份有限公司 | Suction nozzle device |
-
2019
- 2019-05-21 CN CN201920735555.9U patent/CN209878187U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112623744A (en) * | 2020-12-18 | 2021-04-09 | 博众精工科技股份有限公司 | Suction nozzle device |
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