CN215620127U - Leveling tool for combined sealing ring with plastic wrapped by rubber - Google Patents
Leveling tool for combined sealing ring with plastic wrapped by rubber Download PDFInfo
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- CN215620127U CN215620127U CN202121460910.XU CN202121460910U CN215620127U CN 215620127 U CN215620127 U CN 215620127U CN 202121460910 U CN202121460910 U CN 202121460910U CN 215620127 U CN215620127 U CN 215620127U
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Abstract
The invention discloses a leveling tool for a rubber-coated plastic combined sealing ring, which comprises a positioning template, a positioning mold core, a lower pressing template rotationally connected with the positioning template, and a lower pressing mold core arranged on the lower pressing template; the positioning mold core is in interference fit with the sealing ring to be corrected, and the outer diameter of the positioning mold core is slightly larger than the inner diameter of the sealing ring to be corrected; the height of the positioning mold core is required to be lower than that of the sealing ring to be corrected; the positioning mold core and the pressing mold core are in interference fit so as to ensure that the pressing mold core is pressed on the sealing ring. The leveling tool can avoid the deformation problem of the plastic ring caused by vulcanization demoulding, avoid reworking and leveling in the later period and greatly improve the qualification rate of products.
Description
Technical Field
The invention belongs to the technical field of leveling, and particularly relates to a leveling tool for a combined sealing ring of rubber-coated plastic for a filter.
Background
The filter is an important part for an automobile filtering system, mainly plays a role in filtering impurities or gas, and has the following functions: air filters, air-conditioning filters, oil filters and fuel filters, each of which filters different impurities, but basically filters air or liquid type impurities. The filter mainly plays the harmful impurity of filtering in engine system, reduces the wearing and tearing of engine part, prolongs these parts life's effect, and the performance of filter will be influenced to the structure of each part in the filter.
The sealing ring is one of important components in the filter, the sealing ring is various, the material is one of the bases when the sealing ring is selected in actual use, a combined sealing ring (hereinafter referred to as a sealing ring to be corrected) formed by combining a plastic piece and rubber is an important rubber accessory for connecting a flow guide pipe in the filter, and the combined sealing ring plays a role in sealing and positioning, so that the requirement on the flatness of the sealing ring and the plastic ring is high, and the phenomenon of distortion and deformation does not occur during assembly, and the sealing effect can be influenced.
As shown in fig. 6, the sealing ring 800 includes an inner ring 810 and an outer ring 820, which are connected by a connecting portion 830; because of the influence of the special structure of the combination of the sealing ring and the plastic ring, the problem that the plastic part and the rubber part are shrunk and deformed after vulcanization cannot be avoided in the prior art, and meanwhile, the plastic part is deformed after the plastic ring wraps the rubber in the demolding process. In the prior art, after a plastic part sealing ring is vulcanized and formed, the plastic part sealing ring is manually corrected one by one, so that the manual correction efficiency is very low, the requirements of customers can be met through repeated correction, and the plastic part is broken off due to improper operation.
Therefore, the tool is designed and processed, and the tool has important significance for improving the correction efficiency of products.
Disclosure of Invention
1. Problems to be solved
The invention aims to overcome the defects that the existing plastic ring rubber leveling is low in efficiency and easy to break, and provides a leveling tool for a combined sealing ring of rubber-coated plastics.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the method comprises the following steps:
a leveling tool for a combined sealing ring with plastic wrapped by rubber comprises an inner ring and an outer ring, wherein the inner ring and the outer ring are connected through a connecting part;
the positioning mold core is arranged on the positioning template;
lower pressing template rotationally connected with positioning template through rotating shaft mechanism
The pressing mold core is arranged on the pressing mold plate and corresponds to the positioning mold core;
the upper surface of the positioning mold core is provided with an annular limiting bulge for sleeving an outer ring of the sealing ring, and the annular limiting bulge is provided with a positioning groove for accommodating a connecting part of the sealing ring;
the height of the annular limiting bulge is not higher than the thickness of the outer ring, the outer ring of the sealing ring is sleeved on the annular limiting bulge, the annular limiting bulge and the sealing ring form close contact, and the depth of the positioning groove is not more than the thickness of the connecting part of the sealing ring;
and the lower surface of the mold core is pressed downwards, and the lower surface is contacted with the sealing ring during calibration and installation.
It should be noted that the positioning mold core and the positioning mold plate may be integrally formed, or may be detachably fixed, for example, by using an inner hexagon countersunk head screw; the lower pressing mold core and the lower pressing mold plate can be integrally formed and can also be detachably fixed, for example, the lower pressing mold core and the lower pressing mold plate are fixed through hexagon socket countersunk head screws.
Furthermore, the annular limiting bulge is in interference fit with the outer ring of the sealing ring, and the outer diameter of the annular limiting bulge is 0.3 +/-0.1 mm larger than the inner diameter of the outer ring of the sealing ring;
further, the following steps: the height of the annular limiting bulge 111 is 0.3 +/-0.1 mm lower than the thickness of a sealing ring outer ring (820);
the depth of the positioning groove (113) is 0.3 +/-0.1 mm lower than the thickness of the connecting part (830) of the sealing ring (800).
Furthermore, a pressing groove is formed in the pressing mold core at a position corresponding to the positioning groove of the positioning mold core.
Further, the spindle mechanism includes:
the rotating shaft seat I is fixed on the positioning template and is provided with a through hole through which the shaft can pass;
the rotating shaft seat II corresponds to the rotating shaft seat I, is fixed on the lower pressing template and is provided with a through hole through which the shaft can pass;
and the rotating shaft is rotatably arranged in the through holes of the rotating shaft seat I and the rotating shaft seat II in a penetrating manner, so that the positioning template is rotatably connected with the pressing template.
Further, the rotating shaft mechanism also comprises an oilless bushing;
the rotating shaft is rotatably arranged in the through holes of the first rotating shaft seat and the second rotating shaft seat in a penetrating mode through the oilless bushing.
Furthermore, the first rotating shaft seat is fixed on the positioning template through a spring gasket and an inner screw;
and the second rotating shaft seat is fixed on the lower pressing template through a spring gasket and an inner screw.
It should be noted that, actually, the first rotating shaft seat and the positioning template may be integrally formed, and the second rotating shaft seat and the pressing template may also be integrally formed.
Furthermore, the positioning mold core is fixed on the positioning template through an inner countersunk head screw; and the lower pressing mold core is fixed on the lower pressing mold plate through an inner countersunk head screw.
It should be noted that the positioning mold core and the positioning mold plate may be integrally formed, and/or the pressing mold core and the pressing mold plate may also be integrally formed
Furthermore, a plurality of positioning mold cores are arranged on the positioning template;
meanwhile, the lower pressing die plate is provided with lower pressing die cores which are correspondingly arranged with the positioning die cores and are consistent in number.
It should be noted that, the number of the positioning cores on the positioning template may be set according to actual conditions (for example, capacity), and the size and shape of the positioning cores may be set according to the size and shape of the sealing ring to be corrected.
Furthermore, the positioning mold core and the pressing mold core have concentricity of less than or equal to 0.2mm after mold closing.
Further, the total weight of the pressing template and the pressing mold core is controlled to be 8 +/-1 KG.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following remarkable effects:
(1) the leveling tool for the rubber-coated plastic combined sealing ring comprises a positioning mold core and a pressing mold core, wherein an annular limiting bulge is arranged on the positioning mold core, and when the outer ring of the sealing ring is sleeved on the annular limiting bulge, the annular limiting bulge and the sealing ring are in interference fit, so that the diameter size of the sealing ring can be controlled not to change, and the size of the sealing ring is ensured;
the height of the annular limiting bulge is not required to be higher than the thickness of the outer ring of the sealing ring, and meanwhile, a positioning groove with the depth not larger than the thickness connected with the sealing ring is formed in the positioning mold core. Based on the structure, during calibration and assembly, the lower surface of the pressing mold core can be directly contacted with the sealing ring to generate certain extrusion force, so that the flatness of the sealing ring product is ensured;
finally, the positioning mold core and the pressing mold core form a cavity with limiting and shape limiting effects on the sealing ring, and the sealing ring after heating and vulcanizing is prevented from deforming in the cooling process.
(2) According to the leveling tool for the combined sealing ring of the rubber-coated plastic, which is provided by the invention, the positioning template is provided with the plurality of positioning mold cores, and the pressing template is provided with the corresponding number of pressing mold cores, so that multi-hole operation can be carried out, the correcting and installing speed is high, and the efficiency is high.
(3) According to the leveling tool for the combined sealing ring of the rubber-coated plastic, provided by the invention, the plastic part of the combined sealing ring of the rubber-coated plastic after vulcanization has thermal plasticity, is fixed on the positioning mold core, then the lower surface with downward pressure is provided by pressing the mold core downwards, the leveling is carried out by pressurizing and cooling through the self weight of the pressing mold plate, and the weight of the upper mold plate is controlled to be 8KG, so that the plastic part is not crushed.
Drawings
Fig. 1 is a schematic front view of an example of a leveling tool for a rubber-coated plastic composite seal ring according to an embodiment of the present invention;
fig. 2 is a left side view schematically illustrating an example of a leveling tool for a rubber-coated plastic composite seal ring according to an embodiment of the present invention;
FIG. 3 is a schematic top view of an example of a leveling tool for a rubber-coated plastic composite seal ring according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of the positioning mold core;
FIG. 5 is a schematic structural view of the press-down mold core;
FIG. 6 is a schematic structural view of the sealing ring;
in the figure:
100. positioning a template; 110. positioning the mold core; 111.
200. pressing the template downwards; 210. pressing the template downwards;
300. a rotating shaft mechanism; 310. a rotating shaft seat I; 320. a second rotating shaft seat; 330. a rotating shaft; 340. an oilless bushing;
400. a socket head cap screw;
500. a spring washer;
600. inner hexagon countersunk head screws;
700. a set screw is fastened at the concave end of the inner hexagon;
800. a sealing ring to be corrected; 810. an inner ring; 820. an outer ring; 830. a connecting portion; .
Detailed Description
The tight contact is the contact surface without gap, even with a certain degree of compression.
For a further understanding of the invention, reference will now be made in detail to the embodiments illustrated in the drawings.
The leveling tool for the rubber-coated plastic combined sealing ring, as shown in fig. 1-3, comprises a positioning template 100 and a lower pressing template 200, which are rotatably connected through a rotating shaft mechanism 300.
A positioning mold core 110 is fixed on the positioning mold plate 100 at the side opposite to the lower mold plate 200; the positioning mold core 110 and the positioning mold plate 100 may be integrally formed, or may be fixed by an inner hexagon countersunk head screw 600; moreover, the number of the positioning mold cores 110 on the positioning mold plate 100 can be set according to actual conditions (such as capacity), and the size and shape of the positioning mold cores 110 can be set according to the size and shape of the sealing ring to be corrected. In this example, be fixed with 5 location mold cores 110 on the locating template 100, location mold core 110 passes through hexagon socket head cap countersunk head screw 600 to be fixed on locating template 100, and simultaneously, the external diameter size of location mold core 110 is greater than the internal diameter of waiting to rectify the sealing washer by 0.5mm, the height of location mold core 110 is lower by 0.5mm than the height of waiting to rectify the sealing washer, and wherein, hexagon socket head cap countersunk head screw 600 is M5 x 20, and the material is 8.8GB/T3098.
As shown in fig. 4, the positioning mold core 110 is a hollow cylinder, the cylinder wall of the cylinder has a certain thickness, the upper surface 112 of the cylinder wall has an annular limiting protrusion 111 along the outer circumference of the cylinder wall for sleeving the outer ring 820 of the sealing ring 800, the outer diameter of the annular limiting protrusion 111 is consistent with the inner diameter of the outer ring 820 of the sealing ring 800 or slightly larger than the inner diameter of the outer ring 820 of the sealing ring 800, and the size of the sealing ring can be effectively controlled without surfacing; on the basis that the positioning groove 113 for accommodating the connecting portion 830 of the sealing ring 800 is formed in the annular limiting protrusion 111, the positioning groove 113 has the same size as the connecting portion 830 and a groove shape matched with the shape of the connecting portion 830, the height of the annular limiting protrusion 11 is not higher than the thickness of the outer ring 820, and the depth of the positioning groove 113 is not larger than the thickness of the connecting portion 830 of the sealing ring 800. In this example, the outer diameter of the annular limiting protrusion 111 is consistent with the inner diameter of the outer ring 820 of the sealing ring 800; the height of the annular limiting bulge 11 is 0.1mm lower than the thickness of the outer ring 820 of the sealing ring, and the depth of the positioning groove 113 is 0.1mm lower than the thickness of the connecting part 830 of the sealing ring 800.
A lower pressing mold core 210 is fixed on the lower pressing mold plate 200 at the side opposite to the positioning mold plate 100; the lower pressing mold core 210 and the lower pressing mold plate 200 may be integrally formed, or may be fixed by an inner hexagonal countersunk head screw 600; the number of the press cores 210 on the press platen 200 is the same as the number of the positioning cores 110, and the size and shape of the press cores 210 are also set according to the size and shape of the positioning cores 110, but it should be noted that the press cores 210 and the positioning cores 110 are in interference fit. In this example, 5 pressing mold cores 210 are fixed on the pressing mold plate 200, the pressing mold cores 210 are also fixed on the pressing mold plate 200 by hexagon socket countersunk head screws 600, meanwhile, the pressing mold cores 210 are in interference fit with the positioning mold cores 110, the interference is 0.5mm, the positioning mold cores 110 and the pressing mold cores 210 have concentricity of less than or equal to 0.2mm after mold closing, and meanwhile, the weight of the positioning mold plate 100 is controlled at 8 KG.
As shown in fig. 5, the press mold core 210 has a lower surface 211, and the lower surface 211 is in contact with the seal ring 800 during calibration; the pressing-down mold core 210 is provided with a pressing-down groove 212 at a position corresponding to the positioning groove 113 of the positioning mold core 110.
The rotating shaft mechanism 300 comprises a first rotating shaft seat 310, a second rotating shaft seat 320 and a rotating shaft 330; through holes for the rotating shaft 330 to pass through are formed in the first rotating shaft seat 310 and the second rotating shaft seat 320; the first shaft seat 310 is fixed on one side edge of the positioning template 100, and the second shaft seat 320 is fixed on one side edge of the lower pressing template 200. The rotating shaft 330 passes through the through hole on the first rotating shaft seat 310 and the through hole on the second rotating shaft seat 320 to realize the rotating connection between the positioning template 100 and the lower pressing template 200. In addition, the rotating shaft 330 can be rotatably disposed through the through holes of the first rotating shaft seat 310 and the second rotating shaft seat 320 via the oilless bushing 340, and is reinforced by the hexagon socket set screw. The first rotating shaft seat 310 and the positioning template 100 can be integrally formed, and can also be fixed with an inner screw through a spring gasket 500; the second rotating shaft seat 320 and the lower pressing template 200 can be integrally formed and can be fixed with the inner screw through the spring gasket 500. In this example, the first rotating shaft seat 310 and the positioning template 100 are fixed by the spring washer 500 and the socket head cap screw 400, the second rotating shaft seat 320 and the pressing template 200 are fixed by the spring washer 500 and the socket head cap screw 400, the rotating shaft 330 can be rotatably inserted into the through holes of the first rotating shaft seat 310 and the second rotating shaft seat 320 through the oilless bushing 340, and the reinforcing of the rotating shaft 330 and the first rotating shaft seat 310 and the second rotating shaft seat 320 is realized through the socket head cap screw 700. Wherein, the material of the spring washer 500 is spring steel; the socket head cap screw 400 is M12 multiplied by 25, and the material is 8.8 GB/T3098.1; the size of the oilless bushing 340 is D20-L15, and the material is an alloy composite material; the rotating shaft 330 needs to be subjected to thermal refining HB 240-280; the hexagon socket set screw 700 is M6 multiplied by 10, and the material is 8.8 GB/T3098.1.
The device provided in the example is used for leveling the rubber of the plastic ring, and the method comprises the following specific steps:
(1) opening the lower press mold 200 and the positioning mold 100;
(2) the sealing ring to be corrected which is just vulcanized (high-temperature vulcanization is carried out by a vulcanizing machine) is sleeved on the positioning mold core 110
(3) Closing the pressing template 200 and the positioning template 100, and then pausing for 6-8 minutes;
(4) and opening the lower pressing template 200 and the positioning template 100 again, and taking out the sealing ring to finish the correction.
Example 1
The leveling tool for the combined seal ring with the plastic wrapped by the rubber is used for correcting a batch of seal rings made of the plastic wrapped by the rubber, the seal ring to be treated after vulcanization is sleeved on the positioning mold core 110, the press mold plate 200 and the positioning mold plate 100 are closed, the stopping time is 6 minutes, and the final correction qualified rate is up to 99%.
In contrast, the traditional manual method is used for correcting the sealing ring to be processed, and the final corrected qualified rate is not higher than 80%.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (10)
1. The utility model provides a levelling frock of combination sealing washer of rubber parcel plastics, shown sealing washer (800) include inner circle (810) and outer lane (820), form through connecting portion (830) between the inside and outside circle and be connected, have its characterized in that in it: comprises that
Positioning a template (100);
a positioning mold core (110) arranged on the positioning template (100);
a lower pressing template (200) rotationally connected with the positioning template (100) through a rotating shaft mechanism (300);
the pressing mold core (210) is arranged on the pressing mold plate (200) and corresponds to the positioning mold core (110);
the upper surface (112) of the positioning mold core (110) is provided with an annular limiting bulge (111) for sleeving an outer ring (820) of the sealing ring (800), and the annular limiting bulge (111) is provided with a positioning groove (113) for accommodating a connecting part (830) of the sealing ring (800);
the height of the annular limiting bulge (111) is not higher than the thickness of the outer ring (820), the outer ring (820) of the sealing ring (800) is sleeved on the annular limiting bulge (111), the annular limiting bulge and the sealing ring are in interference fit, and the depth of the positioning groove (113) is not larger than the thickness of the connecting part (830) of the sealing ring (800);
the downward pressing mold core (210) is provided with a lower surface (211), and the lower surface (211) is in contact with the sealing ring (800) during calibration.
2. The leveling tool for the combined rubber-coated plastic sealing ring according to claim 1, wherein: the height of the annular limiting bulge 111 is 0.3 +/-0.1 mm lower than the thickness of a sealing ring outer ring (820);
the depth of the positioning groove (113) is 0.3 +/-0.1 mm lower than the thickness of the connecting part (830) of the sealing ring (800).
3. The leveling tool for the rubber-coated plastic combined sealing ring according to claim 2, wherein: and a pressing groove (212) is formed in the pressing mold core (210) at a position corresponding to the positioning groove (113) of the positioning mold core (110).
4. The leveling tool for the rubber-coated plastic combined sealing ring according to claim 3, wherein: the pivot mechanism includes:
the rotating shaft seat I (310) is fixed on the positioning template (100) and is provided with a through hole through which a shaft can pass;
the rotating shaft seat II (320) corresponds to the rotating shaft seat I (310) and is fixed on the lower pressing template (200), and a through hole for the shaft to pass through is formed in the rotating shaft seat II;
and the rotating shaft 330 is rotatably arranged in the through holes of the first rotating shaft seat (310) and the second rotating shaft seat (320) in a penetrating way to realize the rotating connection of the positioning template (100) and the pressing template (200).
5. The leveling tool for the combined rubber-coated plastic sealing ring according to claim 4, wherein: the spindle mechanism further includes an oilless bushing 340;
the rotating shaft 330 is rotatably disposed through the through holes of the first rotating shaft seat (310) and the second rotating shaft seat (320) via the oilless bushing 340.
6. The leveling tool for the combined rubber-coated plastic sealing ring according to claim 4, wherein:
the first rotating shaft seat (310) is fixed on the positioning template (100) through a spring gasket and an inner screw;
the second rotating shaft seat (320) is fixed on the lower pressing template (200) through a spring gasket and an inner screw.
7. The leveling tool for the combined rubber-coated plastic sealing ring according to claim 4, wherein:
the positioning mold core (110) is fixed on the positioning template (100) through an inner countersunk head screw;
the lower pressing mold core (210) is fixed on the lower pressing mold plate (200) through an inner countersunk head screw.
8. The leveling tool for the combined rubber-coated plastic sealing ring according to claim 4, wherein: a plurality of positioning mold cores (110) are arranged on the positioning template (100);
meanwhile, the lower pressing die plate (200) is provided with lower pressing die cores (210) which are correspondingly arranged with the positioning die cores (110) and are consistent in number.
9. The leveling tool for the rubber-coated plastic combined sealing ring according to any one of claims 1 to 8, wherein: the positioning mold core (110) and the pressing mold core (210) have concentricity of less than or equal to 0.2mm after being matched.
10. The leveling tool for the rubber-coated plastic combined sealing ring according to any one of claims 1 to 8, wherein: the total weight of the pressing template (200) and the pressing mold core (210) is controlled to be 8 +/-1 KG.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121460910.XU CN215620127U (en) | 2021-06-29 | 2021-06-29 | Leveling tool for combined sealing ring with plastic wrapped by rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121460910.XU CN215620127U (en) | 2021-06-29 | 2021-06-29 | Leveling tool for combined sealing ring with plastic wrapped by rubber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215620127U true CN215620127U (en) | 2022-01-25 |
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ID=79946805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121460910.XU Active CN215620127U (en) | 2021-06-29 | 2021-06-29 | Leveling tool for combined sealing ring with plastic wrapped by rubber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215620127U (en) |
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2021
- 2021-06-29 CN CN202121460910.XU patent/CN215620127U/en active Active
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