Mold pre-press sealing method, system, computer device and storage medium

Abstract

This invention provides a mold pre-compression sealing method, system, computer equipment, and storage medium. The method includes: obtaining the mold dimensions and target pre-compression range of the target mold's sealing position; determining a target stretching comparison table based on the groove bottom fitting diameter of the sealing position; determining the allowable wire diameter range of the sealing ring to be stretched and fitted to the sealing position based on the mold dimensions and target pre-compression range; identifying all sealing rings in the target stretching comparison table whose stretched wire diameter matches the allowable wire diameter range as candidate sealing rings; selecting the target sealing ring from all candidate sealing rings, stretching and fitting the target sealing ring to the sealing position, and then performing a pre-compression sealing operation on the target mold. The target sealing ring ultimately determined by this invention provides a pre-compression within the target pre-compression range, preventing damage and leakage, thus avoiding human selection errors and the risk of sealing failure.

Description

Technical Field

[0001] This invention belongs to the field of mold pre-compression sealing technology, and in particular relates to a mold pre-compression sealing method, system, computer equipment and storage medium. Background Technology

[0002] In mold manufacturing or molding processes, a pre-compression process is typically used to apply initial compression to the sealing ring before mold closure or in the early stages of molding to achieve a more reliable sealing effect. However, in existing technologies, workers often select and assemble the sealing ring based on experience. Manual selection frequently introduces errors, and the sealing ring is stretched and enlarged when installed in the mold. This results in a difference between the stretched size of the sealing ring and the standard size used for selection. Ultimately, the selected sealing ring cannot provide adequate pre-compression due to size mismatch, failing to achieve proper pre-compression sealing. For example, insufficient pre-compression after sealing ring installation will lead to leakage; while excessive pre-compression will make assembly difficult and may damage the sealing ring. Summary of the Invention

[0003] This invention addresses the technical problems in the prior art, such as the inability to provide a suitable pre-pressure amount and the failure to achieve normal pre-pressure sealing due to mismatched sealing ring size during the mold pre-pressure sealing process. It provides a mold pre-pressure sealing method, system, computer equipment, and storage medium.

[0004] In view of the above technical problems, embodiments of the present invention provide a mold pre-compression sealing method, comprising: Obtain the mold dimensions and target preload range for the sealing position of the target mold; the mold dimensions include the groove bottom fitting diameter of the sealing position; A target stretching comparison table is determined based on the groove bottom fitting diameter; the target stretching comparison table includes multiple sets of comparison parameters associated with the groove bottom fitting diameter, each set of comparison parameters includes the standard size of a sealing ring before stretching, and the stretching size after the sealing ring is stretched and fitted onto a cylinder with a groove bottom fitting diameter; the standard size includes a standard inner diameter smaller than the groove bottom fitting diameter, and the stretching size includes the wire diameter after stretching. The allowable wire diameter range after stretching of the sealing ring to be stretched and fitted to the sealing position is determined based on the mold size and the target preload range. All sealing rings whose stretched wire diameter matches the allowable wire diameter range in the target stretching comparison table are identified as candidate sealing rings. After determining the target sealing ring from all the candidate sealing rings, stretching and fitting the target sealing ring to the position to be sealed, a pre-pressure sealing operation is performed on the target mold.

[0005] A mold pre-compression sealing system, comprising: The acquisition module is used to acquire the mold size and target preload range of the sealing position of the target mold; the mold size includes the groove bottom sleeve diameter of the sealing position; The comparison table determination module is used to determine a target stretching comparison table based on the groove bottom fitting diameter. The target stretching comparison table includes multiple sets of comparison parameters associated with the groove bottom fitting diameter. Each set of comparison parameters includes the standard size of the sealing ring before stretching, and the stretching size after the sealing ring is stretched and fitted onto a cylinder with the groove bottom fitting diameter. The standard size includes a standard inner diameter smaller than the groove bottom fitting diameter, and the stretching size includes the wire diameter after stretching. The wire diameter range determination module is used to determine the allowable wire diameter range after the sealing ring to be stretched and fitted to the sealing position is stretched, based on the mold size and the target preload range. The sealing ring determination module is used to determine all sealing rings whose stretched wire diameter matches the allowable wire diameter range in the target stretching comparison table as candidate sealing rings. The pre-compression sealing module is used to determine the target sealing ring from all the candidate sealing rings, stretch the target sealing ring and fit it onto the position to be sealed, and then perform a pre-compression sealing operation on the target mold.

[0006] A computer device includes a memory, a processor, and computer-readable instructions stored in the memory and executable on the processor, wherein the processor implements the mold pre-pressure sealing method when executing the computer-readable instructions.

[0007] A computer-readable storage medium storing computer-readable instructions that, when executed by one or more processors, cause the one or more processors to perform the mold pre-compression sealing method.

[0008] In the mold pre-compression sealing method of the present invention, the mold size and target pre-compression range of the target mold at the sealing position are obtained; the mold size includes the groove bottom fitting diameter of the sealing position; a target stretching comparison table is determined according to the groove bottom fitting diameter; the target stretching comparison table includes multiple sets of comparison parameters associated with the groove bottom fitting diameter, each set of comparison parameters includes a standard size of a sealing ring before stretching, and a stretching size after the sealing ring is stretched and fitted onto a cylinder with a groove bottom fitting diameter; the standard size includes a standard inner diameter smaller than the groove bottom fitting diameter, and the stretching size includes the stretched wire diameter; the allowable wire diameter range of the sealing ring to be stretched and fitted onto the sealing position is determined according to the mold size and the target pre-compression range; all sealing rings whose stretched wire diameter matches the allowable wire diameter range in the target stretching comparison table are determined as candidate sealing rings; a target sealing ring is determined from all the candidate sealing rings, and after the target sealing ring is stretched and fitted onto the sealing position, a pre-compression sealing operation is performed on the target mold.

[0009] In this invention, the allowable wire diameter range of the sealing ring can be directly determined based on the mold size of the target mold's sealing position and the target pre-compression range. Then, from a target stretching comparison table associated with the groove bottom fitting diameter of the sealing position, at least one candidate sealing ring corresponding to a stretched wire diameter matching the allowable wire diameter range is selected. After finally determining the target sealing ring from the candidate rings, a pre-compression sealing operation is performed on the target mold with the target sealing ring fitted at the sealing position. In this process, the stretched wire diameter of the target sealing ring fitted at the sealing position of the target mold is within the allowable wire diameter range corresponding to that position. Therefore, during the pre-compression sealing operation, the pre-compression amount provided by the target sealing ring will necessarily be within the target pre-compression range. That is, the pre-compression amount within the target pre-compression range will apply appropriate pressure to the target sealing ring without damaging it or causing leakage, thus enabling the target mold to achieve a highly reliable sealing effect during the pre-compression sealing operation. The mold pre-compression sealing method of the present invention eliminates the need for manual selection of sealing rings. Instead, it can automatically determine the target sealing ring that can provide an appropriate pre-compression amount based on the mold size of the target mold at the sealing position and the target pre-compression range. This avoids manual selection errors, improves selection efficiency, and avoids the risk of sealing failure. Attached Figure Description

[0010] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0011] Figure 1 This is a flowchart of a mold pre-compression sealing method provided in an embodiment of the present invention.

[0012] Figure 2This is a flowchart of step S20 of the mold pre-compression sealing method provided in an embodiment of the present invention.

[0013] Figure 3 This is a schematic diagram of the standard dimensions of the sealing ring before stretching in a mold pre-compression sealing method provided by an embodiment of the present invention.

[0014] Figure 4 This is a schematic diagram of the module structure of a mold pre-compression sealing system provided in an embodiment of the present invention.

[0015] Figure 5 This is a schematic diagram of a computer device according to an embodiment of the present invention. Detailed Implementation

[0016] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0017] like Figure 1 As shown, an embodiment of the present invention provides a mold pre-compression sealing method, including steps S100-S500: S100, Obtain the mold size and target pre-compression range of the sealing position of the target mold; the mold size includes the groove bottom fitting diameter of the sealing position; wherein, the target mold refers to the mold that needs to be pre-compressed and sealed, the sealing position can be set on the target mold as needed, and one or more sealing positions can be set on the target mold. In this invention, the sealing position is an annular groove formed by a recess in the target mold. The mold size includes, but is not limited to, the groove bottom fitting diameter and groove depth of the sealing position, wherein, the groove bottom fitting diameter is the diameter corresponding to the bottom surface of the ring formed by the bottom surface of the annular groove, and the groove depth is the depth of the annular groove corresponding to the sealing position. In this invention, the final selected target sealing ring will be fitted into the annular groove, and the target sealing ring should be in a stretched state. During the pre-compression sealing operation, the target mold will apply pressure to the target sealing ring to provide a suitable pre-compression amount (the pre-compression amount refers to the height of the portion protruding from the top of the annular groove after the target sealing ring is stretched and fitted into the annular groove, exceeding the top of the annular groove), thereby achieving sealing of the sealing position. Understandably, the target preload range refers to the reasonable range of preload values ​​that the target sealing ring, when fitted into the sealing position (i.e., fitted into the annular groove of the sealing position), can provide. For example, the target preload range can be set according to actual needs, such as 0.30-0.4mm.

[0018] S200, a target stretching comparison table is determined based on the groove bottom fitting diameter; the target stretching comparison table includes multiple sets of comparison parameters associated with the groove bottom fitting diameter, each set of comparison parameters including the standard size of the sealing ring before stretching, and the stretching size after the sealing ring is stretched and fitted onto the cylinder with the groove bottom fitting diameter; the standard size includes a standard inner diameter smaller than the groove bottom fitting diameter, and the stretching size includes the wire diameter after stretching. That is, in this embodiment, the target stretching comparison table includes multiple sets of comparison parameters, and each set of comparison parameters is associated with the groove bottom fitting diameter, that is, all comparison parameters are the comparison data corresponding to the sealing ring before and after fitting onto the cylinder with the groove bottom fitting diameter. The comparison parameters include the standard size of the sealing ring before fitting onto the cylinder with the groove bottom fitting diameter, the standard size including but not limited to the standard inner diameter of the sealing ring (e.g., the standard inner diameter of the sealing ring). Figure 3 D1 in the standard outer diameter (e.g., D1) Figure 3 D2 in the standard wire diameter (e.g., D2) Figure 3 The comparison parameters include D3), standard inner diameter circumference (i.e., the circumference of the circle corresponding to the standard inner diameter), etc.; the comparison parameters also include the stretching dimensions of the sealing ring after it is fitted onto the cylinder with the groove bottom fitting diameter. The stretching dimensions include, but are not limited to, the stretched wire diameter, stretched inner diameter, stretched outer diameter, stretched inner diameter circumference, etc., corresponding to the sealing ring fitted onto the cylinder with the groove bottom fitting diameter and in the stretched state.

[0019] In some embodiments, step S200, namely determining the target stretching comparison table based on the groove bottom fitting diameter, includes step S210: S210, from all preset stretching comparison tables, the preset stretching comparison table that matches the groove bottom fitting diameter is determined as the target stretching comparison table; each preset stretching comparison table includes a preset stretching diameter and multiple sets of comparison parameters associated with the preset stretching diameter. In this embodiment, the preset stretching comparison table is obtained through calculation and / or actual experiment. Each preset stretching comparison table includes multiple sets of comparison parameters associated with a preset stretching diameter. Each set of comparison parameters includes the standard size of the sealing ring before stretching, and the stretching size of the sealing ring after it is stretched and fitted onto a cylinder with a preset stretching diameter. In this embodiment, matching the preset stretching diameter with the groove bottom fitting diameter means that the preset stretching diameter is equal to the groove bottom fitting diameter. In this case, the target stretching comparison table can be considered as associated with the groove bottom fitting diameter (i.e., the preset stretching diameter). In some embodiments, the preset stretching diameter can also be a small diameter range. Matching the preset stretching diameter with the groove bottom fitting diameter can mean that the groove bottom fitting diameter is within the range of the preset stretching diameter. In this case, the standard inner diameter of all sealing rings in the preset stretching comparison table is smaller than the minimum value in the range of the preset stretching diameter. The target stretching comparison table can also be regarded as being associated with the groove bottom fitting diameter (which is within the range of the preset stretching diameter).

[0020] In some embodiments, such as Figure 2 As shown, before step S210, that is, before determining the target stretching comparison table from all preset stretching comparison tables that matches the preset stretching diameter with the groove bottom fitting diameter, steps S201-S204 are included: S201, Receive a comparison table generation instruction containing a preset stretching diameter, and select sealing rings from the sealing ring database whose standard inner diameter meets the preset stretching requirements. The preset stretching requirements include: the standard inner diameter is smaller than the preset stretching diameter, and the difference between the preset stretching diameter and the standard inner diameter of the sealing ring is less than the stretching limit threshold corresponding to the sealing ring. When it is necessary to generate a preset stretching comparison table associated with the preset stretching diameter, a comparison table generation instruction containing the preset stretching diameter needs to be generated first and sent to the controller of the mold pre-compression sealing system. Furthermore, since the selected sealing ring needs to be in a stretched state after being fitted onto a cylinder with a preset stretching diameter to avoid water leakage due to gaps at the fitting position, the controller will first initially determine from all sealing rings in the sealing ring database that have a standard inner diameter smaller than the preset stretching diameter. After selecting all sealing rings with a diameter (or the minimum value of the range smaller than the preset stretch diameter), it is necessary to consider whether the selected sealing rings, after being stretched and fitted onto a cylinder with a preset stretch diameter, exceed the stretch limit and deform or fail. Therefore, it is also necessary to obtain the difference between the preset stretch diameter and the standard inner diameter of all the initially determined sealing rings. Then, if the difference between the two is less than the stretch limit threshold, it is confirmed that the sealing ring will not exceed the stretch limit even after being stretched and fitted onto a cylinder with a preset stretch diameter. At this time, the sealing ring can be regarded as a sealing ring that meets the preset stretch requirement. Otherwise, if the standard inner diameter is greater than or equal to the preset stretch diameter, or if the difference between the preset stretch diameter and the standard inner diameter of the sealing ring is greater than or equal to the stretch limit threshold corresponding to the sealing ring, the sealing ring is considered not to meet the preset stretch requirement and is not selected.

[0021] S202, obtain the standard wire diameter and standard inner diameter circumference of each selected sealing ring, and determine the sealing ring volume based on the standard wire diameter and standard inner diameter circumference; wherein, the sealing rings selected in step S201 all meet the preset stretching requirements. At this time, the sealing ring volume remains constant before and after stretching, and since the sealing ring will not exceed the stretching limit after being stretched and fitted onto a cylinder with a preset stretching diameter, the sealing ring does not deform before and after stretching, and the cross-section of the sealing ring is circular before and after stretching. Since the standard wire diameter and standard inner diameter circumference are factory-provided data, they can be obtained directly from the sealing ring database or indirectly calculated based on the standard inner diameter of the sealing ring, etc., where the standard inner diameter circumference refers to the product between the standard inner diameter and π. After simplification, the sealing ring volume calculation process can be regarded as equivalent to the product between the standard inner diameter circumference and the standard circular cross-sectional area, where the standard circular cross-sectional area is equal to the square of half of the standard wire diameter (i.e., the radius of the standard circular cross-section) and the... The product between them.

[0022] S203, determine the stretched circumference based on the preset stretching diameter, and determine the stretched wire diameter based on the volume of the sealing ring and the stretched circumference. Understandably, since the volume of the sealing ring remains constant before and after stretching, after stretching the sealing ring onto the cylinder with the preset stretching diameter, the stretched inner diameter of the sealing ring will be equal to the preset stretching diameter. Therefore, the stretched circular cross-sectional area will be equal to the quotient of the sealing ring volume divided by the stretched circumference. In some embodiments, after determining the stretched circular cross-sectional area, the stretched wire diameter can be directly determined based on the area formula and the stretched circular cross-sectional area (in this case, the stretched wire diameter is the diameter corresponding to the stretched circular cross-sectional area), which will not be elaborated further here. However, in some embodiments, the wire diameter determined based on the area formula and the stretched circular cross-sectional area can be first determined as the theoretical stretched wire diameter, then an actual stretching wire diameter can be obtained through actual testing, and the stretched wire diameter can be further determined based on the comparison between the theoretical and actual stretched wire diameters, so that the data in the final preset stretching comparison table is more rigorous and reliable.

[0023] In some embodiments, step S203, determining the stretched wire diameter based on the volume of the sealing ring and the stretched circumference, includes steps S2031-S2033: S2031, the quotient of the volume of the sealing ring divided by the stretched circumference is determined as the stretched circular cross-sectional area, and the theoretical stretched wire diameter is determined based on the stretched circular cross-sectional area; that is, the stretched circular cross-sectional area will be equal to the quotient of the sealing ring volume divided by the stretched circumference, and the theoretical stretched wire diameter is the diameter of the stretched circular cross-section. After the stretched circular cross-sectional area is determined, the theoretical stretched wire diameter can be directly determined according to the area formula. In some embodiments, the theoretical stretched wire diameter can be directly determined as the stretched wire diameter. However, in this embodiment, the theoretical stretched wire diameter is not directly determined as the stretched wire diameter. Instead, actual experiments are required to obtain the actual stretched wire diameter. Then, the stretched wire diameter is further determined based on the comparison between the theoretical stretched wire diameter and the actual stretched wire diameter, so that the data in the final predetermined stretching comparison table is more rigorous and reliable.

[0024] S2032, after stretching the sealing ring onto a cylinder with a preset stretching diameter, the actual stretched wire diameter of the sealing ring is obtained. In this embodiment, all the sealing rings selected in step S201 need to be tested, and then the actual stretched wire diameter is obtained during the test after stretching the sealing ring onto a cylinder with a preset stretching diameter.

[0025] In some embodiments, step S2032, obtaining the actual stretched wire diameter of the sealing ring after stretching, includes: obtaining a stretched image of the sealing ring after stretching, extracting the outer edge features of the outer edge of the sealing ring and the inner edge features of the inner edge of the sealing ring, determining the vertical distance between the outer edge and the inner edge of the sealing ring based on the outer edge features and the inner edge features, and determining the vertical distance as the actual stretched wire diameter.

[0026] In other words, in this embodiment, after the sealing ring is stretched and fitted onto a cylinder with a preset stretching diameter, a stretched image of the sealing ring needs to be captured by an imaging device. The stretched image is captured from a direction perpendicular to the axis of the cylinder, allowing observation of the outer and inner edges of the sealing ring. This facilitates the extraction of the outer edge features of the outer edge and the inner edge features of the inner edge of the sealing ring from the stretched image. Specifically, the outer and inner edge features can be extracted using a preset feature extraction model trained based on a neural network model. The training process of the preset feature extraction model is as follows: The preset feature extraction model can be trained based on a neural network model and a historical dataset. The historical dataset includes multiple historical sealing ring image samples, each of which is associated with a set of sample features (including outer edge features and inner edge features). Then, the historical sealing ring image samples are input into the neural network model to obtain the recognition features (including outer edge features and inner edge features) extracted by the neural network model from the historical sealing ring image samples. By calculating the loss generated by the neural network model during training, the convergence of the neural network model is evaluated. For example, the first error between the recognized outer edge features and the sample outer edge features, and the second error between the recognized inner edge features and the sample inner edge features are evaluated. When both the first and second errors are less than a preset error value, the neural network model is considered to have converged. At this point, the neural network model is determined as the preset feature extraction model. Otherwise, the parameters of the neural network model are modified and training continues until the preset feature extraction model is obtained. This preset feature extraction model can then be used to extract the outer edge features of the outer edge of the sealing ring and the inner edge features of the inner edge of the sealing ring.

[0027] In some embodiments, step S2032, obtaining the actual stretched wire diameter of the sealing ring after stretching, includes: measuring the position coordinates of multiple test points of the sealing ring in a preset coordinate system using a position sensor; determining the position distance between each test point and the center coordinate point of the cylinder based on the position coordinates; and determining the actual stretched wire diameter based on each position distance and a preset stretching diameter. The preset coordinate system refers to a rectangular coordinate system with the center coordinate point of the cylinder as the origin and located on a plane perpendicular to the axis of the cylinder. All test points are spaced apart on the outer edge of the sealing ring. In this embodiment, the position coordinates of all test points of the sealing ring can be measured directly during the actual test using a position sensor positioned opposite the sealing ring, and the actual stretched wire diameter can then be determined based on the position coordinates.

[0028] Understandably, both of the above embodiments can obtain the actual stretched wire diameter. In this invention, the actual stretched wire diameter compared with the theoretical stretched wire diameter can be any one or both of the actual stretched wire diameters obtained by the above two methods, and there is no limitation here.

[0029] S2033, if the difference between the actual stretched wire diameter and the theoretical stretched wire diameter is less than a preset error threshold, then the stretched wire diameter is determined based on the theoretical stretched wire diameter and the actual stretched wire diameter. That is, in this embodiment, the difference between the actual stretched wire diameter and the theoretical stretched wire diameter is first obtained. If this difference is less than the preset error threshold, it indicates that the error between the actual stretched wire diameter and the theoretical stretched wire diameter is small and can be ignored. In this case, either the actual stretched wire diameter or the theoretical stretched wire diameter can be directly recorded as the stretched wire diameter, or the average value between the actual stretched wire diameter and the theoretical stretched wire diameter can be recorded as the stretched wire diameter.

[0030] In some embodiments, after step S2032, that is, after obtaining the actual stretched wire diameter of the sealing ring, the method further includes: S2034, if the difference between the actual stretched wire diameter and the theoretical stretched wire diameter is greater than or equal to a preset error threshold, then multiple sealing rings with the same standard size are selected and fitted onto a cylinder with a preset stretched diameter, and the actual stretched wire diameter of the multiple sealing rings after stretching is obtained; that is, in this embodiment, if the difference between the actual stretched wire diameter and the theoretical stretched wire diameter is greater than or equal to the preset error threshold after obtaining the difference between the wire diameter and the theoretical stretched wire diameter, it indicates that the error between the actual stretched wire diameter and the theoretical stretched wire diameter is large and cannot be ignored, otherwise it will cause a large error in the data in the preset stretching comparison table. Therefore, at this time, multiple sealing rings with the same standard size can be selected again and fitted onto a cylinder with a preset stretching diameter, and the actual stretched wire diameter of the multiple sealing rings after stretching can be obtained again by the above method (taking a stretching image or / and measuring the position coordinates of all test points of the sealing ring by a position sensor).

[0031] S2035, obtain the average wire diameter of all actual stretched wire diameters. If the difference between the average wire diameter and the theoretical stretched wire diameter is less than a preset error threshold, then determine the stretched wire diameter based on the theoretical stretched wire diameter and the average wire diameter. Wherein, when the difference between the average wire diameter and the theoretical stretched wire diameter is less than the preset error threshold, it can be confirmed that the error between the average actual stretched wire diameter and the theoretical stretched wire diameter is small, indicating that the error may have been caused by an error during the measurement operation of the first measured actual stretched wire diameter. In this case, the error has been eliminated by re-measurement. Therefore, the average wire diameter of the actual stretched wire diameter or the theoretical stretched wire diameter can be directly recorded as the stretched wire diameter, or the average value between the average wire diameter of the actual stretched wire diameter and the theoretical stretched wire diameter can also be recorded as the stretched wire diameter.

[0032] S2036, if the difference between the average wire diameter and the theoretical tensile wire diameter is greater than or equal to a preset error threshold, then the average wire diameter is determined as the stretched wire diameter. Wherein, when the difference between the average wire diameter of all actual stretched wire diameters and the theoretical tensile wire diameter is greater than or equal to the preset error threshold, it indicates that both the first measured actual stretched wire diameter and the actual stretched wire diameter measured again in step S2034 show a significant error between the theoretical and actual stretched wire diameters. The sealing ring still undergoes some deformation during the stretching process. Therefore, in actual use, it is more accurate to perform pre-pressure sealing operations based on the actual stretched wire diameter. Thus, in this case, the average wire diameter of the actual stretched wire diameter can be directly recorded as the stretched wire diameter.

[0033] S204, a set of comparison parameters is generated based on the stretched wire diameter, the standard wire diameter, the standard inner diameter, and the seal volume associated with the same sealing ring. All comparison parameters are then associated with the preset stretching diameter to generate the preset stretching comparison table. Understandably, in the comparison parameters, the parameters before the seal ring is stretched are recorded as standard dimensions, and the parameters after the seal ring is stretched are recorded as stretched dimensions. Standard dimensions include, but are not limited to, the standard inner diameter of the seal ring (e.g., the standard inner diameter of the seal ring). Figure 3 D1 in the standard outer diameter (e.g., D1) Figure 3 D2 in the standard wire diameter (e.g., D2) Figure 3 The dimensions include, but are not limited to, the stretched wire diameter, stretched inner diameter, stretched outer diameter, and stretched inner diameter circumference when the sealing ring is fitted onto a cylinder with a preset stretched diameter and is in a stretched state.

[0034] S300, based on the mold size and the target preload range, determine the allowable wire diameter range after the sealing ring to be stretched and fitted to the sealing position; the allowable wire diameter range corresponds to the target preload range; when the sealing ring has a wire diameter that is the minimum value of the allowable wire diameter range, the sealing ring is installed after the annular groove at the sealing position, and the height of the protruding part is equal to the minimum value of the target preload range; when the sealing ring has a wire diameter that is the maximum value of the allowable wire diameter range, the sealing ring is installed after the annular groove at the sealing position, and the height of the protruding part is equal to the maximum value of the target preload range.

[0035] In some embodiments, step S300, namely determining the allowable wire diameter range of the sealing ring to be stretched and fitted to the sealing position based on the mold size and the target preload range, includes: S301, determine the groove depth of the position to be sealed according to the mold size; the groove depth is the depth of the annular groove at the position to be sealed.

[0036] S302, determine the allowable wire diameter range after stretching the sealing ring to be stretched and fitted to the sealing position based on the groove depth and the target preload range. In one embodiment, when the sealing ring has a wire diameter equal to the minimum value of the allowable wire diameter range, the sealing ring is installed after the annular groove at the sealing position, and the height of the protruding portion is equal to the minimum value of the target preload range. Therefore, the sum of the groove depth and the minimum value of the target preload range is the minimum value of the allowable wire diameter range. When the sealing ring has a wire diameter equal to the maximum value of the allowable wire diameter range, the sealing ring is installed after the annular groove at the sealing position, and the height of the protruding portion is equal to the maximum value of the target preload range. Therefore, the sum of the groove depth and the maximum value of the target preload range is the maximum value of the allowable wire diameter range. However, in some embodiments, a correction parameter can be set according to actual needs, and the allowable wire diameter range determined in the above embodiments can be adjusted to a certain extent based on the correction parameter.

[0037] S400, all sealing rings whose stretched wire diameter matches the allowable wire diameter range in the target stretching comparison table are identified as candidate sealing rings. In this embodiment, after determining the target stretching comparison table and the allowable wire diameter range corresponding to the groove bottom fitting diameter of the current sealing position, all sets of comparison parameters in the target stretching comparison table can be directly retrieved, and then the stretching dimensions of all comparison parameters can be traversed. From all stretching dimensions, the stretched wire diameter belonging to the allowable wire diameter range is found, and the stretched wire diameter belonging to the allowable wire diameter range is identified as the target wire diameter that meets the requirements. Then, the sealing ring corresponding to the target wire diameter is identified as a candidate sealing ring. All the identified candidate sealing rings are installed after the annular groove of the sealing position. Their corresponding pre-compression amounts are all within the target pre-compression amount range. During the pre-compression sealing operation, the target sealing ring will not be damaged and there will be no water leakage, which meets the sealing requirements.

[0038] S500: After determining the target sealing ring from all the candidate sealing rings and stretching and fitting the target sealing ring onto the position to be sealed, a pre-pressure sealing operation is performed on the target mold. That is, the target sealing ring is determined from all the candidate sealing rings. It can be randomly selected, or the target sealing ring that best meets the user's requirements can be selected from the candidate sealing rings according to certain conditions. After fitting the target sealing ring into the annular groove of the position to be sealed, the size of the target sealing ring matches the annular groove of the position to be sealed, and the height of the part protruding from the top surface of the annular groove (i.e., the pre-pressure amount) is within the target pre-pressure amount range. At this time, during the pre-pressure sealing operation, the target sealing ring will not be damaged and there will be no leakage, which meets the sealing requirements and can perfectly achieve pre-pressure sealing.

[0039] In some embodiments, step S500, determining the target sealing ring from all the candidate sealing rings, includes: S501, the height difference between the stretched wire diameter of the candidate sealing ring and the groove depth of the sealing position is determined as the candidate preload, and the absolute value of the difference between the candidate preload and the median value of the target preload range is obtained. The size score of each candidate sealing ring is determined based on the absolute value. The groove depth is determined according to the mold size. In this embodiment, the median value of the target preload range can be regarded as the optimal preload in the target preload range. Therefore, the height difference between the stretched wire diameter and the groove depth is first obtained, which is the preload corresponding to the candidate sealing ring. The difference between the preload and the median value of the target preload range is obtained. The absolute value of the difference can reflect the gap between the candidate preload and the optimal preload corresponding to the candidate sealing ring. The smaller the absolute value of the difference, the smaller the gap between the candidate preload and the optimal preload, and the more suitable the candidate sealing ring is for the sealing position. Therefore, the size score will be higher.

[0040] S502, obtain the cost value of each of the candidate sealing rings, and determine the cost score of each candidate sealing ring based on the cost value; understandably, when all meet the usage requirements, the lower the cost value of the sealing ring, the more cost can be saved, and therefore the higher the cost score, thus reducing the usage cost of the sealing ring.

[0041] S503, determine the target sealing ring based on the size score and the cost score. That is, the candidate sealing ring with the highest sum of size score and cost score can be determined as the target sealing ring. Alternatively, a first weight and a second weight can be set for the size score and cost score respectively according to actual needs. Then, the size score is multiplied by the first weight, and the product of the cost score and the second weight is added to obtain the total score. The candidate sealing ring with the highest total score can be determined as the target sealing ring.

[0042] In this embodiment, the difference between the candidate preload amount and the optimal preload amount corresponding to the candidate sealing ring, as well as the cost value of the sealing ring, are comprehensively considered to obtain the target sealing ring with the best size matching and the lowest cost.

[0043] In the mold pre-compression sealing method of the above embodiments of the present invention, the allowable wire diameter range of the sealing ring can be directly determined according to the mold size of the target mold at the sealing position and the target pre-compression range. Then, in the target stretching comparison table associated with the groove bottom fitting diameter of the sealing position, at least one candidate sealing ring corresponding to the stretched wire diameter matching the allowable wire diameter range is selected. After finally determining the target sealing ring from the candidate sealing rings, the target mold with the target sealing ring fitted at the sealing position is subjected to a pre-compression sealing operation. In the above process, the stretched wire diameter of the target sealing ring fitted at the sealing position of the target mold is within the allowable wire diameter range corresponding to the sealing position. Therefore, in the above pre-compression sealing operation, the pre-compression amount that the target sealing ring can provide is necessarily within the target pre-compression range. That is, the pre-compression amount within the target pre-compression range will apply appropriate pressure to the target sealing ring without damaging the target sealing ring or causing leakage, thereby enabling the target mold to obtain a very reliable sealing effect in the pre-compression sealing operation. The mold pre-compression sealing method of the present invention eliminates the need for manual selection of sealing rings. Instead, it can automatically determine the target sealing ring that can provide an appropriate pre-compression amount based on the mold size of the target mold at the sealing position and the target pre-compression range. This avoids manual selection errors, improves selection efficiency, and avoids the risk of sealing failure.

[0044] It should be understood that the sequence number of each step in the above embodiments does not imply the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present invention.

[0045] In one embodiment, such as Figure 4 As shown, a mold pre-compression sealing system is provided, comprising: The acquisition module 11 is used to acquire the mold size and target pre-compression range of the sealing position of the target mold; the mold size includes the groove bottom sleeve diameter of the sealing position; The comparison table determination module 12 is used to determine a target stretching comparison table based on the groove bottom fitting diameter; the target stretching comparison table includes multiple sets of comparison parameters associated with the groove bottom fitting diameter, each set of comparison parameters includes a standard dimension of the sealing ring before stretching, and the stretching dimension after the sealing ring is stretched and fitted onto a cylinder with a groove bottom fitting diameter; the standard dimension includes a standard inner diameter smaller than the groove bottom fitting diameter, and the stretching dimension includes the wire diameter after stretching. The wire diameter range determination module 13 is used to determine the allowable wire diameter range after the sealing ring to be stretched and fitted to the sealing position is stretched, based on the mold size and the target preload range. The sealing ring determination module 14 is used to determine all sealing rings whose stretched wire diameter matches the allowable wire diameter range in the target stretching comparison table as candidate sealing rings. The pre-pressure sealing module 15 is used to determine the target sealing ring from all the candidate sealing rings, stretch the target sealing ring to the position to be sealed, and then perform a pre-pressure sealing operation on the target mold.

[0046] The mold pre-compression sealing system provided by this invention can directly determine the allowable wire diameter range of the sealing ring based on the mold size of the target mold's sealing position and the target pre-compression range. Then, from a target stretching comparison table associated with the groove bottom fitting diameter of the sealing position, at least one candidate sealing ring corresponding to a stretched wire diameter matching the allowable wire diameter range is selected. After finally determining the target sealing ring from the candidate rings, a pre-compression sealing operation is performed on the target mold with the target sealing ring fitted at the sealing position. In this process, the stretched wire diameter of the target sealing ring fitted at the sealing position of the target mold is within the allowable wire diameter range corresponding to that position. Therefore, during the pre-compression sealing operation, the pre-compression amount provided by the target sealing ring will necessarily be within the target pre-compression range. That is, the pre-compression amount within the target pre-compression range will apply appropriate pressure to the target sealing ring without damaging it or causing leakage, thus enabling the target mold to achieve a highly reliable sealing effect during the pre-compression sealing operation. The mold pre-compression sealing system of the present invention eliminates the need for manual selection of sealing rings. Instead, it can automatically determine the target sealing ring that can provide an appropriate pre-compression amount based on the mold size of the target mold at the sealing position and the target pre-compression range. This avoids manual selection errors, improves selection efficiency, and avoids the risk of seal failure.

[0047] Specific limitations regarding the mold pre-compression sealing system can be found in the limitations of the mold pre-compression sealing method described above, and will not be repeated here. The mold pre-compression sealing system may include a controller, and the various modules within the controller of the aforementioned mold pre-compression sealing system may be implemented entirely or partially through software, hardware, or a combination thereof. These modules may be embedded in hardware or independent of the processor in a computer device, or stored in software in the memory of a computer device, so that the processor can call and execute the corresponding operations of each module.

[0048] In one embodiment, a computer device is provided, which may be a server, and its internal structure diagram may be as follows: Figure 5As shown, the computer device includes a processor, memory, network interface, and database connected via a system bus. The processor provides computing and control capabilities. The memory includes a readable storage medium and internal memory. The readable storage medium stores an operating system, computer-readable instructions, and a database. The internal memory provides an environment for the operation of the operating system and computer-readable instructions in the readable storage medium. The database stores data related to the mold pre-compression sealing method. The network interface communicates with external terminals via a network connection. When the computer-readable instructions are executed by the processor, they implement a mold pre-compression sealing method. The readable storage medium provided in this embodiment includes both non-volatile and volatile readable storage media.

[0049] In one embodiment, a computer device is provided, including a memory, a processor, and computer-readable instructions stored in the memory and executable on the processor, wherein the processor executes the computer-readable instructions to implement the steps of the mold pre-compression sealing method.

[0050] In one embodiment, one or more computer-readable storage media storing computer-readable instructions are provided. The computer-readable storage media provided in this embodiment include non-volatile and volatile computer-readable storage media. The computer-readable instructions stored on the computer-readable storage media, when executed by one or more processors, implement the steps of the mold pre-compression sealing method.

[0051] Those skilled in the art will understand that all or part of the processes in the above embodiments can be implemented by instructing related hardware with computer-readable instructions. These computer-readable instructions can be stored in a non-volatile readable storage medium or a volatile readable storage medium. When executed, these computer-readable instructions can include the processes of the embodiments of the above methods. Any references to memory, storage, databases, or other media used in the embodiments provided by this invention can include non-volatile and / or volatile memory. Non-volatile memory may include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM), or flash memory. Volatile memory may include random access memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), dual data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous link DRAM (SLDRAM), RAMbus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), etc.

[0052] Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the above-described division of functional units and modules is used as an example. In practical applications, the above functions can be assigned to different functional units and modules as needed, that is, the internal structure of the device can be divided into different functional units or modules to complete all or part of the functions described above.

[0053] The above-described embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention, and should all be included within the protection scope of the present invention.

Claims

1. A mold pre-compression sealing method, characterized in that, include: Obtain the mold dimensions and target preload range for the sealing position of the target mold; the mold dimensions include the groove bottom fitting diameter of the sealing position; A target stretching comparison table is determined based on the groove bottom fitting diameter; the target stretching comparison table includes multiple sets of comparison parameters associated with the groove bottom fitting diameter, each set of comparison parameters includes the standard size of a sealing ring before stretching, and the stretching size after the sealing ring is stretched and fitted onto a cylinder with a groove bottom fitting diameter; the standard size includes a standard inner diameter smaller than the groove bottom fitting diameter, and the stretching size includes the wire diameter after stretching. The allowable wire diameter range after stretching of the sealing ring to be stretched and fitted to the sealing position is determined based on the mold size and the target preload range. All sealing rings whose stretched wire diameter matches the allowable wire diameter range in the target stretching comparison table are identified as candidate sealing rings. After determining the target sealing ring from all the candidate sealing rings, stretching and fitting the target sealing ring to the position to be sealed, a pre-pressure sealing operation is performed on the target mold.

2. The mold pre-compression sealing method according to claim 1, characterized in that, The step of determining the allowable wire diameter range after stretching the sealing ring to be stretched and fitted to the sealing position based on the mold size and the target preload range includes: The groove depth at the location to be sealed is determined based on the mold dimensions; The allowable wire diameter range after stretching of the sealing ring to be stretched and fitted to the sealing position is determined based on the groove depth and the target preload range.

3. The mold pre-compression sealing method according to claim 1, characterized in that, The step of determining the target stretching comparison table based on the groove bottom sleeve diameter includes: From all the preset stretching comparison tables, the preset stretching comparison table that matches the groove bottom fitting diameter is determined as the target stretching comparison table; each preset stretching comparison table includes a preset stretching diameter and multiple sets of comparison parameters associated with the preset stretching diameter. Before determining the target stretching comparison table from all preset stretching comparison tables that matches the preset stretching diameter with the groove bottom fitting diameter, the process includes: Receive a comparison table generation instruction containing a preset stretching diameter, select a sealing ring from the sealing ring database whose standard inner diameter meets the preset stretching requirements, the preset stretching requirements include: the standard inner diameter is smaller than the preset stretching diameter, and the difference between the preset stretching diameter and the standard inner diameter of the sealing ring is less than the stretching limit threshold corresponding to the sealing ring. Obtain the standard wire diameter and standard inner diameter circumference of each selected sealing ring, and determine the sealing ring volume based on the standard wire diameter and the standard inner diameter circumference; The circumference after stretching is determined according to the preset stretching diameter, and the wire diameter after stretching is determined according to the volume of the sealing ring and the circumference after stretching. A set of comparison parameters is generated based on the stretched wire diameter, the standard wire diameter, the standard inner diameter, and the seal volume associated with the same seal ring. All the comparison parameters are associated with the preset stretching diameter to generate the preset stretching comparison table.

4. The mold pre-compression sealing method according to claim 3, characterized in that, The step of determining the stretched wire diameter based on the volume of the sealing ring and the stretched circumference includes: The quotient of the volume of the sealing ring divided by the circumference after stretching is determined as the cross-sectional area of ​​the circle after stretching, and the theoretical stretching wire diameter is determined based on the cross-sectional area of ​​the circle after stretching. After stretching the sealing ring onto a cylinder with a preset stretching diameter, the actual stretching wire diameter of the sealing ring after stretching is obtained. If the difference between the actual stretched wire diameter and the theoretical stretched wire diameter is less than a preset error threshold, then the stretched wire diameter is determined based on the theoretical stretched wire diameter and the actual stretched wire diameter.

5. The mold pre-compression sealing method according to claim 4, characterized in that, Obtaining the actual stretched wire diameter of the sealing ring after stretching includes: Obtain a stretched image of the sealing ring, extract the outer edge features of the outer edge of the sealing ring and the inner edge features of the inner edge of the sealing ring, determine the vertical distance between the outer edge and the inner edge of the sealing ring based on the outer edge features and the inner edge features, and determine the vertical distance as the actual stretched wire diameter; and / or The position coordinates of multiple test points of the sealing ring in a preset coordinate system are measured by a position sensor. The position distance between each test point and the center coordinate point of the cylinder is determined based on the position coordinates. The actual stretching diameter is determined based on the position distance and the preset stretching diameter. The preset coordinate system is a rectangular coordinate system with the center coordinate point of the cylinder as the origin and located on a plane perpendicular to the axis of the cylinder. All test points are spaced apart on the outer edge of the sealing ring.

6. The mold pre-compression sealing method according to claim 4, characterized in that, After obtaining the actual stretched wire diameter of the sealing ring, the method further includes: If the difference between the actual stretched wire diameter and the theoretical stretched wire diameter is greater than or equal to a preset error threshold, then multiple sealing rings with the same standard size are selected and fitted onto a cylinder with a preset stretched diameter to obtain the actual stretched wire diameter of the multiple sealing rings after stretching. Obtain the average wire diameter of all actual stretched wire diameters. If the difference between the average wire diameter and the theoretical stretched wire diameter is less than a preset error threshold, then determine the stretched wire diameter based on the theoretical stretched wire diameter and the average wire diameter. If the difference between the average wire diameter and the theoretical stretched wire diameter is greater than or equal to a preset error threshold, then the average wire diameter is determined as the stretched wire diameter.

7. The mold pre-compression sealing method according to claim 1, characterized in that, The step of determining the target sealing ring from all the candidate sealing rings includes: The height difference between the stretched wire diameter of the candidate sealing ring and the groove depth of the sealing position is determined as the candidate preload amount. The absolute value of the difference between the candidate preload amount and the median value of the target preload amount range is obtained, and the size score of each candidate sealing ring is determined according to the absolute value. The groove depth is determined according to the mold size. Obtain the cost value of each of the candidate sealing rings, and determine the cost score of each of the candidate sealing rings based on the cost value; The target sealing ring is determined based on the size score and the cost score.

8. A mold pre-compression sealing system, characterized in that, include: The acquisition module is used to acquire the mold size and target preload range of the sealing position of the target mold; the mold size includes the groove bottom sleeve diameter of the sealing position; The comparison table determination module is used to determine a target stretching comparison table based on the groove bottom fitting diameter. The target stretching comparison table includes multiple sets of comparison parameters associated with the groove bottom fitting diameter. Each set of comparison parameters includes the standard size of the sealing ring before stretching, and the stretching size after the sealing ring is stretched and fitted onto a cylinder with the groove bottom fitting diameter. The standard size includes a standard inner diameter smaller than the groove bottom fitting diameter, and the stretching size includes the wire diameter after stretching. The wire diameter range determination module is used to determine the allowable wire diameter range after the sealing ring to be stretched and fitted to the sealing position is stretched, based on the mold size and the target preload range. The sealing ring determination module is used to determine all sealing rings whose stretched wire diameter matches the allowable wire diameter range in the target stretching comparison table as candidate sealing rings. The pre-compression sealing module is used to determine the target sealing ring from all the candidate sealing rings, stretch the target sealing ring and fit it onto the position to be sealed, and then perform a pre-compression sealing operation on the target mold.

9. A computer device comprising a memory, a processor, and computer-readable instructions stored in the memory and executable on the processor, characterized in that, When the processor executes the computer-readable instructions, it implements the mold pre-pressure sealing method as described in any one of claims 1 to 7.

10. A computer-readable storage medium storing computer-readable instructions, characterized in that, When the computer-readable instructions are executed by one or more processors, the one or more processors cause the mold pre-compression sealing method as described in any one of claims 1 to 7 to be performed.

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