CN209525073U - A kind of sealing property detection device of powder metallurgy watchcase framework - Google Patents
A kind of sealing property detection device of powder metallurgy watchcase framework Download PDFInfo
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- CN209525073U CN209525073U CN201822136668.5U CN201822136668U CN209525073U CN 209525073 U CN209525073 U CN 209525073U CN 201822136668 U CN201822136668 U CN 201822136668U CN 209525073 U CN209525073 U CN 209525073U
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- watchcase
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Abstract
The utility model discloses a kind of sealing property detection devices of powder metallurgy watchcase framework, including pedestal, pedestal is internally provided with gas leak detection instrument, support base is installed above pedestal, at least two plummer is arranged at intervals on support base, profiling positioning mould is placed in plummer, sealing ring is provided between profiling positioning mould and plummer, the bottom of the die cavity of profiling stock mould is provided with tracheae, tracheae is connected with gas leak detection instrument, air gauge and shut-off valve are installed on tracheae, central pressing mechanism is provided with above each plummer, central pressing mechanism slips are installed on the support columns, support column is installed on the base, master cylinder is installed above slide plate, the two sides of plummer are provided with auxiliary hold-down mechanism, assist hold-down mechanism installation on the base.What not only be can be convenient efficiently carries out air-leakage test to watchcase framework, has accurate test result, and can synchronize the multiple watchcase frameworks of detection, and detection efficiency is high.
Description
Technical field
The utility model relates to metal powder injection molded technical fields, and in particular to a kind of powder metallurgy watchcase framework
Sealing property detection device.
Background technique
Metal Injection Molding is an emerging forming technique.It is collection injection molding technology, height
The multidisciplinary product for interpenetrating intersection such as molecular chemistry, powder metallurgy technology and Metal Material Science, utilizes mold injectable
Moulded blank and the part that high density, high-precision, high intensity, 3D shape complexity are quickly manufactured by sintering, more especially
It can not be processed or unmanageable small parts using techniques such as machinings, if the watchcase framework on wrist-watch is exactly to use powder
Metallurgy is molding, with small, at low cost, precision is high, consistency is good, the high-efficient advantage of machining allowance, however, watchcase framework exists
It could be assembled with components such as watch cores after must carrying out air tight test after molding.In existing technology, watchcase framework
Air-tightness detection device mainly include upper mold core, lower mold core, inflating port and air pressure valve, when detecting sealing performance, by watchcase
Framework is put into the die cavity of lower mold core, the cambered surface of bezel, cluster downward, concave surface upward, after placing, by lower mold core and upper mold core into
Then row molding is filled with air from inflating port, after being inflated to certain pressure, whether permanent detect air pressure before the deadline
Fixed, to judge the quality of the sealing performance of watchcase framework according to leakage value, which finds during use
Following deficiency: first is that upper mold core and lower mold core, during molding, contact of the watchcase with die cavity be not close, there can be gas leakage
Situation can have erroneous judgement in detection watchcase framework sealing performance, lead to the outflow of some substandard products, the result of detection is not
Accurately；Second is that the unreasonable structural design of upper mold core and lower mold core, during molding, mobile ask can occur for watchcase framework
Topic, result of its detection can generate certain error when detection；Third is that existing detection device narrow scope of application, once
A watchcase framework, inefficiency, it is difficult to meet the needs of large-scale production can only be detected.Therefore, a kind of structure is developed
It is simple and convenient to operate, testing result is reliable, can synchronize the powder metallurgy for detecting multiple watchcase frameworks, greatly improving detection efficiency
The desirability when sealing property detection device of watchcase framework.
Summary of the invention
The purpose of this utility model is to provide a kind of structures to be simple and convenient to operate, testing result is reliable, can synchronize detection
Multiple watchcase frameworks, greatly improve detection efficiency powder metallurgy watchcase framework sealing property detection device.
The purpose of this utility model is achieved in that, including pedestal, pedestal is internally provided with gas leak detection instrument, pedestal
Top support base is installed, at least two plummer is arranged at intervals on support base, profiling positioning mould is placed in plummer,
It is provided with sealing ring between profiling positioning mould and plummer, die cavity is provided in profiling positioning mould, the bottom of die cavity is provided with gas
Pipe, tracheae are connected with gas leak detection instrument, air gauge and shut-off valve are equipped on tracheae, is correspondingly arranged on above each plummer
Central pressing mechanism, central pressing mechanism are mounted on slide plate, and the both ends of slide plate are equipped with slide, and slide is installed on the slide rail,
Sliding rail is installed on the support columns, and support column installation is equipped with the main gas that driving slide plate slides up and down on the base, above slide plate
Cylinder, the two sides of plummer are provided with auxiliary hold-down mechanism, and the installation of auxiliary hold-down mechanism is on the base.
Further, central pressing mechanism includes pressure buffer room, center tracheae and clamp sleeve, and pressure buffer room passes through
Connecting plate is mounted on slide plate, and center tracheae is mounted on the lower section of pressure buffer room, and clamp sleeve is socketed under the tracheae of center
End is equipped with elastic packing cone between clamp sleeve and center tracheae, and the outer diameter of clamp sleeve is greater than the outer diameter of center tracheae.
Further, auxiliary hold-down mechanism includes two vertically-mounted assistant cylinders on the base, and assistant cylinder is stretched
The end of contracting bar is equipped with guide plate, and the both ends of guide plate are equipped with vertical plate, is equipped with shaft between two vertical plates, hinged in shaft
There is pressing plate corresponding with plummer position and quantity, the end vertical of pressing plate is equipped with pressing.
Further, gas leak detection instrument includes cabinet, and the inside of cabinet is equipped with inflation mechanism, is equipped with timing on cabinet
Device, indicator light, pressure switch and alarm.
Further, the junction of shaft and vertical plate is equipped with bearing.
Preferably, profiling positioning mould is made of silica gel material.
The beneficial effect that the utility model generates is: first is that using central pressing mechanism and auxiliary hold-down mechanism to watchcase frame
Body is positioned, and central pressing mechanism is used to compress the centre of watchcase framework, and auxiliary hold-down mechanism is for compressing watchcase frame
The two sides of body can be realized the accurate positioning to watchcase framework, and watchcase framework is allowed closely to be bonded with the die cavity of profiling positioning mould,
And central pressing mechanism and the pressing force of auxiliary hold-down mechanism are moderate, watchcase framework is hardly damaged and deforms in die cavity, connection
Good seal performance, the air-leakage test structure of watchcase framework can be made relatively reliable；Second is that the gentle missing inspection of central pressing mechanism
Survey the reasonable in design of instrument, it may be convenient to air-leakage test efficiently be carried out to watchcase framework, airtight detection can be made to exist
It is carried out in the more close confined space of bonding strength, there is accurate test result；Third is that multiple plummers are provided with,
The multiple watchcase frameworks of detection can be synchronized, detection efficiency is greatly improved, reduces cost, are able to satisfy planningization production completely
Demand has the advantages that simple structure, versatile, using flexible, testing result are accurate, stable, has preferable popularization benefit
With value.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the utility model；
Fig. 2 is the side structure schematic view of the utility model；
In figure: 1- pedestal, 2- gas leak detection device, 3- tracheae, 4- support base, 5- plummer, 6- sealing ring, 7- support column,
8- sliding rail, 9- slide, 10- slide plate, 11- master cylinder, 12- pressure buffer room, the center 13- tracheae, 14- clamp sleeve, 15- profiling
Positioning mould, 16- air gauge, 17- shut-off valve, 18- elastic packing cone, 19- assistant cylinder, 20- guide plate, 21- vertical plate, 22- pressure
Plate, 23- shaft.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings, but is not subject in any way to the utility model
Limitation instructs made any changes and modifications based on the utility model, belongs to the protection scope of the utility model.
As shown in Fig. 1~2, the utility model includes pedestal 1, and the pedestal 1 is internally provided with gas leak detection instrument 2, institute
The top for stating pedestal 1 is equipped with support base 4, is arranged at intervals at least two plummer 5 on the support base 4, multiple carryings are arranged
Platform 5, which can synchronize, detects the sealing performance of multiple watchcase frameworks, is placed with profiling positioning mould 15 in the plummer 5,
It is provided with sealing ring 6 between the profiling positioning mould 15 and plummer 5, is provided with die cavity, die cavity in the profiling positioning mould 15
It is formed and is covered on tracheae 3 between its profiling positioning mould 15 for placing watchcase framework after watchcase framework is placed in die cavity
A hermetical testing space, there is accurate testing result, the bottom of the die cavity is provided with tracheae 3, the tracheae 3 with
Gas leak detection instrument 2 is connected, and air gauge 16 and shut-off valve 17 are equipped on the tracheae 3, and gas leak detection instrument 2 is connected to tracheae 3, with
For detecting the air-flow output state in hermetical testing space, so that it may the airtight capabilities that watchcase framework is detected by gas leak detection instrument 2, when
Gas leak detection instrument 2 detects that there is gas evolution in hermetical testing space, indicates that the sealing performance of watchcase framework is insufficient, conversely, if gas
Gas output has been not detected in leak detection instrument 2, then it represents that the favorable sealing property of watchcase framework passes through above-mentioned testing result
Quickly learn whether the sealing performance of watchcase framework meets demand, the top of each plummer 5 is correspondingly arranged on central pressing machine
Structure, the central pressing mechanism are mounted on slide plate 10, and the both ends of the slide plate 10 are equipped with slide 9, and the slide 9 is mounted on
On sliding rail 8, the sliding rail 8 is mounted on support column 7, and the support column 7 is mounted on pedestal 1, the top peace of the slide plate 10
Equipped with the master cylinder 11 that driving slide plate 10 slides up and down, the two sides of plummer 5 are provided with auxiliary hold-down mechanism, and the auxiliary compresses
Mechanism is mounted on pedestal 1, and central pressing mechanism is used to compress the centre of watchcase framework, and auxiliary hold-down mechanism is for compressing
The two sides of watchcase framework can be realized the accurate positioning to watchcase framework, make watchcase framework and the die cavity of profiling positioning mould 15 tight
Close fitting, and central pressing mechanism and auxiliary hold-down mechanism pressing force it is moderate, watchcase framework be hardly damaged in die cavity and
Deformation, the good seal performance of connection can make the air-leakage test structure of watchcase framework relatively reliable.
Further, the central pressing mechanism includes pressure buffer room 12, center tracheae 13 and clamp sleeve 14, described
Pressure buffer room 12 is mounted on slide plate 10 by connecting plate, and the center tracheae 13 is mounted on the lower section of pressure buffer room 12,
The clamp sleeve 14 is socketed in the lower end of center tracheae 13, installs between the clamp sleeve 14 and center tracheae 13 flexible
Sealed taper 18, and the outer diameter of clamp sleeve 14 be greater than center tracheae 13 outer diameter, the structure it is ingenious in design, when central gas pipe 13
When being all pressed in watchcase framework with clamp sleeve 14, elastic packing cone 18 will be compressed, slows down clamp sleeve 14 to watchcase frame
The pressing force of body, the phenomenon that avoiding 14 moment of clamp sleeve from compressing watchcase framework downwards, watchcase framework is caused to damage by pressure generation.
Further, the auxiliary hold-down mechanism includes two assistant cylinders being vertically installed on pedestal 1 19, described auxiliary
Help the end of the telescopic rod of cylinder 19 that guide plate 20 is installed, the both ends of the guide plate 20 are equipped with vertical plate 21, two vertical plates 21
Between shaft 23 is installed, pressing plate 22 corresponding with 5 position of plummer and quantity, the pressing plate are hinged in the shaft 23
22 end vertical is equipped with pressing, when needing to carry out gas leak detection to watchcase framework, assistant cylinder 19 drive guide plate 20 to
Upper movement, and then watchcase framework is compressed with the pressing on dynamic pressure plate 22.
Further, in order to improve the automatic controlling level of detection, the gas leak detection instrument 2 includes cabinet, cabinet
Inside is equipped with inflation mechanism, and timer, indicator light, pressure switch and alarm are equipped on the cabinet.
For the ease of the installation of shaft, the shaft 23 and the junction of vertical plate 21 are equipped with bearing.
In order to which with preferable detection accuracy, the profiling positioning mould 15 is using silica gel material production.
The working principle of the utility model is: first watchcase framework is placed in the die cavity of profiling positioning mould 15, when placement,
The face down of watchcase framework makes one for being formed and being covered on tracheae 3 between watchcase framework and its profiling positioning mould 15 closed
The test space drives arc plate 10 to move down at this point, master cylinder 11 acts, and then drives central pressing mechanism by watchcase framework
Central pressing, assistant cylinder 19 acts, and drives guide plate 20 to move upwards, and then with the pressing on dynamic pressure plate 22 to watchcase frame
The two sides of body are compressed, and after watchcase framework compresses positioning, opening stop valve 17 is led to by tracheae 3 into hermetical testing space
Enter air, after the air being passed through reaches the pressure state of needs, closes shut-off valve 17, stopping is passed through air, when defined
In, the pressure condition under air inlet and state of pressure keeping is observed by air gauge 16, then can determine whether the sealing performance of watchcase framework,
It is that gas leak detection instrument 2 detects that hermetical testing space does not have gas evolution if the pressure value of air gauge 16 does not change,
Indicate the favorable sealing property of watchcase framework, if conversely, the numerical value of air gauge 16 is constantly being reduced, then gas leak detection instrument 2
It has detected gas evolution, has indicated that the sealing performance of watchcase framework is insufficient, be substandard product, after detection, open cut-off
Air in hermetical testing space is discharged, can carry out the gas leak detection of remaining watchcase framework again by valve 17.
Claims (6)
1. a kind of sealing property detection device of powder metallurgy watchcase framework, including pedestal (1), it is characterised in that: the pedestal
(1) be internally provided with gas leak detection instrument (2), be equipped with support base (4) above the pedestal (1), on the support base (4)
It is arranged at intervals at least two plummer (5), is placed with profiling positioning mould (15) in the plummer (5), the profiling positioning mould
(15) it is provided between plummer (5) sealing ring (6), is provided with die cavity in the profiling positioning mould (15), the die cavity
Bottom is provided with tracheae (3), and the tracheae (3) is connected with gas leak detection instrument (2), is equipped with air gauge on the tracheae (3)
(16) and shut-off valve (17) central pressing mechanism, the central pressing mechanism peace, are correspondingly arranged on above each plummer (5)
On slide plate (10), the both ends of the slide plate (10) are equipped with slide (9), and the slide (9) is mounted on sliding rail (8), institute
It states sliding rail (8) to be mounted on support column (7), the support column (7) is mounted on pedestal (1), the top peace of the slide plate (10)
Equipped with the master cylinder (11) that driving slide plate (10) slides up and down, the two sides of plummer (5) are provided with auxiliary hold-down mechanism, described auxiliary
Hold-down mechanism is helped to be mounted on pedestal (1).
2. a kind of sealing property detection device of powder metallurgy watchcase framework according to claim 1, it is characterised in that: institute
Stating central pressing mechanism includes pressure buffer room (12), center tracheae (13) and clamp sleeve (14), the pressure buffer room
(12) it is mounted on slide plate (10) by connecting plate, the center tracheae (13) is mounted on the lower section of pressure buffer room (12), institute
The lower end that clamp sleeve (14) is socketed in center tracheae (13) is stated, is installed between the clamp sleeve (14) and center tracheae (13)
Flexible sealed taper (18), and the outer diameter of clamp sleeve (14) is greater than the outer diameter of center tracheae (13).
3. a kind of sealing property detection device of powder metallurgy watchcase framework according to claim 1, it is characterised in that: institute
Stating auxiliary hold-down mechanism includes two assistant cylinders (19) being vertically installed on pedestal (1), and assistant cylinder (19) are stretched
The end of contracting bar is equipped with guide plate (20), and the both ends of the guide plate (20) are equipped with vertical plate (21), between two vertical plates (21)
It is equipped with shaft (23), pressing plate (22) corresponding with plummer (5) position and quantity is hinged on the shaft (23), it is described
The end vertical of pressing plate (22) is equipped with pressing.
4. a kind of sealing property detection device of powder metallurgy watchcase framework according to claim 1, it is characterised in that: institute
Stating gas leak detection instrument (2) includes cabinet, and the inside of cabinet is equipped with inflation mechanism, and timer, instruction are equipped on the cabinet
Lamp, pressure switch and alarm.
5. a kind of sealing property detection device of powder metallurgy watchcase framework according to claim 3, it is characterised in that: institute
The junction for stating shaft (23) and vertical plate (21) is equipped with bearing.
6. a kind of sealing property detection device of powder metallurgy watchcase framework according to claim 1, it is characterised in that: institute
Profiling positioning mould (15) is stated to be made of silica gel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822136668.5U CN209525073U (en) | 2018-12-19 | 2018-12-19 | A kind of sealing property detection device of powder metallurgy watchcase framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822136668.5U CN209525073U (en) | 2018-12-19 | 2018-12-19 | A kind of sealing property detection device of powder metallurgy watchcase framework |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209525073U true CN209525073U (en) | 2019-10-22 |
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ID=68226728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822136668.5U Active CN209525073U (en) | 2018-12-19 | 2018-12-19 | A kind of sealing property detection device of powder metallurgy watchcase framework |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209525073U (en) |
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2018
- 2018-12-19 CN CN201822136668.5U patent/CN209525073U/en active Active
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