CN220104424U - Tightness detection device for injection molding pipe fitting - Google Patents
Tightness detection device for injection molding pipe fitting Download PDFInfo
- Publication number
- CN220104424U CN220104424U CN202320959613.2U CN202320959613U CN220104424U CN 220104424 U CN220104424 U CN 220104424U CN 202320959613 U CN202320959613 U CN 202320959613U CN 220104424 U CN220104424 U CN 220104424U
- Authority
- CN
- China
- Prior art keywords
- shaft seal
- injection molding
- end part
- pipe fitting
- pressure measuring
- 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.)
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 71
- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 238000009530 blood pressure measurement Methods 0.000 claims abstract description 8
- 238000004806 packaging method and process Methods 0.000 claims abstract description 4
- 210000001503 joint Anatomy 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 18
- 230000000007 visual effect Effects 0.000 description 6
- 238000005406 washing Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a tightness detection device of an injection molding pipe fitting, which comprises an inflatable shaft seal end part and a pressure measuring shaft seal end part, wherein the inflatable shaft seal end part and the pressure measuring shaft seal end part of the injection molding pipe fitting are positioned and encapsulated in a port shaft seal mode; the injection molding pipe fitting in the positioning and packaging state is inflated through the end part of the inflation shaft seal to enable the pipe cavity to be in a positive pressure state, and the pipe cavity in the positive pressure state is subjected to pressure measurement through the end part of the pressure measurement shaft seal. According to the utility model, the injection molding pipe fitting is sealed by the inflatable seal end and the pressure measuring seal end, so that inflation into a pipe cavity is facilitated, the air pressure change is detected, and the accuracy of detecting the sealing property quality of the injection molding pipe fitting is improved.
Description
Technical Field
The utility model belongs to the technical field of sealing quality detection of injection molding pipe fittings of washing machines, and particularly relates to a sealing performance detection device of injection molding pipe fittings.
Background
Fig. 1 shows an injection molding pipe fitting of a washing machine, after production, the injection molding pipe fitting needs to detect whether cracks exist on the pipe wall of the injection molding pipe fitting, the existing detection mode is visual observation, the existing detection mode is that the sealing performance is unqualified, but when the injection molding pipe fitting encounters micro cracks which cannot be clearly observed by visual observation, the detection mode for judging the sealing performance by visual observation becomes unreliable, and the accuracy of detecting the sealing quality of the injection molding pipe fitting is affected.
Disclosure of Invention
The utility model aims to: in order to overcome the defects in the prior art, the utility model provides the tightness detection device for the injection molding pipe fitting, which is used for carrying out shaft sealing on the injection molding pipe fitting through the end part of the inflatable shaft sealing and the end part of the pressure measuring shaft sealing, so that inflation into a pipe cavity is facilitated, air pressure change is detected, and the accuracy of tightness quality detection on the injection molding pipe fitting is improved.
The technical scheme is as follows: in order to achieve the above purpose, the tightness detection device of the injection molding pipe fitting of the utility model comprises an inflatable shaft seal end part and a pressure measuring shaft seal end part which are positioned and encapsulated in a port shaft seal mode; the injection molding pipe fitting in the positioning and packaging state is inflated through the end part of the inflation shaft seal to enable the pipe cavity to be in a positive pressure state, and the pipe cavity in the positive pressure state is subjected to pressure measurement through the end part of the pressure measurement shaft seal.
Further, the end part of the inflatable shaft seal comprises a small-port shaft seal piece with the shape of a small port of the injection molding pipe fitting, and the small-port shaft seal piece seals the small port of the injection molding pipe fitting; the end part of the pressure measuring shaft seal comprises a large-port shaft seal piece with an appearance adapted to the injection molding pipe fitting, and the large-port shaft seal piece seals the large port of the injection molding pipe fitting.
Further, the end part of the inflatable shaft seal comprises an inflatable valve, the small-port shaft seal is provided with an air passage communicated with the injection molding pipe fitting, and the inflatable valve is in butt joint with the air passage.
Further, the end part of the pressure measuring shaft seal comprises a pressure measuring sensor which is embedded on the large-port shaft seal piece, and the pressure measuring end of the pressure measuring sensor stretches into the pipe cavity of the injection molding pipe fitting.
Further, the pipe fitting injection molding device comprises a supporting seat corresponding to the injection molding pipe fitting, and the injection molding pipe fitting is movably placed in a pipe groove of the seat surface of the supporting seat.
Further, the end part of the inflatable shaft seal and the end part of the pressure measuring shaft seal are arranged in a shaft moving way relative to the injection molding pipe fitting, and the end part of the inflatable shaft seal and the end part of the pressure measuring shaft seal are in shaft sealing of the injection molding pipe fitting through clamping actions of opposite shaft movements.
Further, the end part of the inflatable shaft seal and the end part of the pressure measuring shaft seal are respectively provided with a shaft movement driving part.
The beneficial effects are that: according to the utility model, the injection molding pipe fitting is sealed by the air inflation seal end part and the pressure measurement seal end part, so that air inflation into a pipe cavity is facilitated, the air pressure change is detected, the accuracy of detecting the sealing property quality of the injection molding pipe fitting is improved, and when the air pressure is detected to drop too fast in unit time, the surface of the injection molding pipe fitting is cracked, and the product sealing property is unqualified.
Drawings
Fig. 1 is a schematic structural view of an injection molded tube.
FIG. 2 is a schematic diagram of the overall structure of the present utility model;
fig. 3 is a schematic illustration of the structure of the semi-section of the present utility model.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
Fig. 1 shows an injection molding pipe fitting of a washing machine, after production, the injection molding pipe fitting needs to detect whether cracks exist on the pipe wall of the injection molding pipe fitting, the existing detection mode is visual observation, the existing detection mode is that the sealing performance is unqualified, but when the injection molding pipe fitting encounters micro cracks which cannot be clearly observed by visual observation, the detection mode for judging the sealing performance by visual sense becomes unreliable, and the accuracy of the sealing quality detection of the injection molding pipe fitting is affected.
In order to solve the above problems, the technical solution provided by the present utility model is shown in fig. 2, and the tightness detection device for injection molding pipe fittings comprises an inflatable shaft seal end 5 and a pressure measuring shaft seal end 4, which are positioned and encapsulated in a port shaft seal manner for injection molding pipe fittings 3; the injection molding pipe fitting 3 in a positioning and packaging state is inflated through the inflation shaft seal end part 5 to enable the pipe cavity to be in a positive pressure state, and the pipe cavity in the positive pressure state is subjected to pressure measurement through the pressure measurement shaft seal end part 4. According to the utility model, the injection molding pipe fitting 3 is positioned and packaged by utilizing the matching of the inflatable shaft seal end part 5 and the pressure measuring shaft seal end part 4, then the inflation shaft seal end part 5 is used for inflating the pipe cavity, and finally the pressure measuring shaft seal end part 4 is used for performing the air pressure change in the pipe cavity, so that the air pressure in unit time falls too fast within the allowable range of errors to indicate that the surface of the injection molding pipe fitting 3 has cracks, and the product tightness is unqualified, therefore, the utility model is convenient for inflating the pipe cavity and detecting the air pressure change by sealing the injection molding pipe fitting 3 through the inflation shaft seal end part 5 and the pressure measuring shaft seal end part 4, and improves the accuracy of detecting the sealing property quality of the injection molding pipe fitting.
As shown in fig. 3, more specifically, the inflatable shaft seal end 5 includes a small port shaft seal 51 with a shape adapted to the shape of the small port of the injection molding pipe 3, and the small port shaft seal 51 seals the small port of the injection molding pipe 3; the pressure measuring shaft seal end part 4 comprises a large-port shaft seal 41 of which the shape is matched with that of the injection molding pipe fitting 3, and the large-port shaft seal 41 seals the large port of the injection molding pipe fitting 3. The small-port shaft seal 51 and the large-port shaft seal 41 may be rubber seal structures.
The inflatable shaft seal end part 5 comprises an inflatable valve 53, the inflatable valve 53 is connected with inflatable equipment through an air pipe 9, the small-port shaft seal piece 51 is provided with an air passage 52 communicated with the injection molding pipe fitting 3, and the inflatable valve 53 is in butt joint with the air passage 52. When the air is inflated, the inflation valve 53 is opened, the inflation equipment is started to inflate, and after the inflation is completed, the inflation equipment and the inflation valve 53 are closed.
The pressure measuring shaft seal end part 4 comprises a pressure measuring sensor 42, wherein the pressure measuring sensor 42 is embedded on the large-port shaft seal 41, in particular to be embedded in a sensor mounting groove of the large-port shaft seal 41, and the pressure measuring end of the pressure measuring sensor 42 extends into the pipe cavity of the injection molding pipe fitting 3.
As shown in fig. 2 and 3, the utility model comprises a supporting seat 2 corresponding to an injection molding pipe fitting 3, wherein the supporting seat 2 is arranged on a supporting table 1, and the injection molding pipe fitting 3 is movably placed in a pipe groove of a seat surface of the supporting seat 2. The inflatable shaft seal end 5 and the pressure measuring shaft seal end 4 are both arranged in a shaft moving mode on the injection molding pipe fitting 3, and the inflatable shaft seal end 5 and the pressure measuring shaft seal end 4 are in shaft sealing on the injection molding pipe fitting 3 through clamping actions of opposite shaft moving. The inflatable shaft seal end 5 and the pressure measuring shaft seal end 4 are respectively provided with a shaft movement driving part. When the injection molding pipe fitting 3 is positioned and packaged, firstly, the injection molding pipe fitting 3 is placed in a pipe groove of the supporting seat 2 in a mode that a big port faces the big port shaft seal 41 and a small port faces the small port shaft seal 51, then the shaft movement driving part is started, and the big port shaft seal 41 and the small port shaft seal 51 are respectively pushed to move towards the injection molding pipe fitting 3 by the shaft movement driving part until the big port and the small port of the injection molding pipe fitting 3 are stopped. Preferably, the axial movement driving part comprises an electric push rod 6 and an air cylinder 8 which are arranged on the supporting table 1, wherein the electric push rod 6 is correspondingly in push-pull connection with the large-port shaft seal piece 41, and a piston rod 7 of the air cylinder 8 is correspondingly in push-pull connection with the small-port shaft seal piece 51.
The foregoing is only a preferred embodiment of the utility model, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.
Claims (7)
1. The utility model provides a leakproofness detection device of pipe fitting moulds plastics which characterized in that: comprises an inflatable shaft seal end part (5) and a pressure measuring shaft seal end part (4) which are positioned and encapsulated with the injection molding pipe fitting (3) in a port shaft seal mode; the injection molding pipe fitting (3) in a positioning and packaging state is inflated through the inflatable shaft seal end part (5) to enable the pipe cavity to be in a positive pressure state, and the pipe cavity in the positive pressure state is subjected to pressure measurement through the pressure measuring shaft seal end part (4).
2. The tightness detection device for injection-molded pipe fittings according to claim 1, wherein: the inflatable shaft seal end part (5) comprises a small-port shaft seal piece (51) with the shape of a small port of the profile-adaptive injection molding pipe fitting (3), and the small-port shaft seal piece (51) seals the small port of the injection molding pipe fitting (3); the pressure measuring shaft seal end part (4) comprises a large-port shaft seal piece (41) of the profile-adaptive injection molding pipe fitting (3), and the large-port shaft seal piece (41) seals a large port of the injection molding pipe fitting (3).
3. The tightness detection device for injection-molded pipe fittings according to claim 2, wherein: the inflatable shaft seal end part (5) comprises an inflatable valve (53), the small-port shaft seal piece (51) is provided with an air passage (52) communicated with the injection molding pipe fitting (3), and the inflatable valve (53) is in butt joint with the air passage (52).
4. The tightness detection device for injection-molded pipe fittings according to claim 2, wherein: the pressure measuring shaft seal end part (4) comprises a pressure measuring sensor (42), the pressure measuring sensor (42) is embedded on the large-port shaft seal piece (41), and the pressure measuring end of the pressure measuring sensor (42) stretches into the pipe cavity of the injection molding pipe fitting (3).
5. The tightness detection device for injection-molded pipe fittings according to claim 2, wherein: the injection molding device comprises a supporting seat (2) corresponding to an injection molding pipe fitting (3), wherein the injection molding pipe fitting (3) is movably placed in a pipe groove of a seat surface of the supporting seat (2).
6. The tightness detection device for injection-molded pipe fittings according to claim 5, wherein: the inflatable shaft seal end part (5) and the pressure measuring shaft seal end part (4) are axially arranged on the injection molding pipe fitting (3), and the inflatable shaft seal end part (5) and the pressure measuring shaft seal end part (4) are axially moved in opposite directions to form the shaft seal through clamping action.
7. The tightness detection device for injection-molded pipe fittings according to claim 6, wherein: the inflatable shaft seal end part (5) and the pressure measuring shaft seal end part (4) are respectively provided with a shaft movement driving part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320959613.2U CN220104424U (en) | 2023-04-25 | 2023-04-25 | Tightness detection device for injection molding pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320959613.2U CN220104424U (en) | 2023-04-25 | 2023-04-25 | Tightness detection device for injection molding pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220104424U true CN220104424U (en) | 2023-11-28 |
Family
ID=88873674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320959613.2U Active CN220104424U (en) | 2023-04-25 | 2023-04-25 | Tightness detection device for injection molding pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220104424U (en) |
-
2023
- 2023-04-25 CN CN202320959613.2U patent/CN220104424U/en active Active
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