Trimming device for rubber and metal combined sealing element

Abstract

The utility model relates to a trimming device for a rubber and metal combined sealing element. At present, a traditional edge trimmer and manual trimming have the problems that the trimming quality and efficiency are low, the economic cost is high, and the trimming appearance and size requirements cannot be met at the same time. The T-shaped nut is shaped like a Chinese character'gan 'and comprises a T-shaped component and a nut-shaped component, and the nut-shaped component is arranged on the T-shaped component. A first groove is formed in the T-shaped part, a second groove is formed in the nut-shaped part, the T-shaped part is sleeved with the combined sealing part, a rubber lip above the combined sealing part is embedded in the first groove, and the nut-shaped part is arranged below the combined sealing part to lock the combined sealing part. And a rubber lip below the combined sealing element is embedded in the second groove. The trimming quality and efficiency are improved, the economic cost is low, and the trimming appearance and size requirements can be met at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing parts, in particular to a trimming device for a rubber and metal combined sealing part. Background Art

[0002] In the field of sealing technology, composite seals are a common sealing element, widely used in various mechanical equipment. They are mainly composed of two materials, rubber and metal, and have good sealing performance and wear resistance. During the production process of composite seals, their edges need to be trimmed to ensure the accuracy of their size and shape, as well as the smoothness of the surface. However, due to the large difference in the physical properties of metal and rubber, trimming is often difficult and requires special tools and methods. The traditional trimming method is mainly through manual operation, that is, using a blade to cut off the excess part of the rubber edge. Although this method can achieve the purpose of trimming, it is inefficient, labor-intensive, and labor-intensive, and the labor cost is high, and the quality of trimming is difficult to guarantee.

[0003] In the field of mechanical processing technology, trimming machines are commonly used mechanical processing equipment that can be used to trim various materials. However, when traditional trimming machines are used to trim combined seals, due to their structural and design limitations, they often cannot guarantee the quality and efficiency of trimming. In the field of precision positioning devices, positioning tools are important auxiliary tools that can be used to accurately position combined seals during the trimming process to ensure the accuracy of trimming. However, when traditional positioning tools are used to position combined seals, they often cannot guarantee their stability and accuracy.

[0004] To solve the above problems, there are some solutions in the prior art. One is to use automatic trimming equipment to trim the combined seals. This equipment can improve the efficiency of trimming, but its price is high and the maintenance cost is also high, which increases the economic burden for some small enterprises. Another is to use manual operation to trim, but manual trimming is often accompanied by problems such as uneven rubber edges of products, unclean rubber edge removal and excessive trimming. It is inefficient, labor-intensive, and difficult to ensure the quality of trimming. Manual trimming is also prone to cause the width of the rubber cover to exceed the tolerance, and the accuracy requirements of the product size cannot be guaranteed. Summary of the invention

[0005] The utility model aims to provide a rubber and metal combined seal trimming device to at least solve the problems of low trimming quality and efficiency, high economic cost and failure to simultaneously ensure the trimming appearance and size requirements in the prior art.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A trimming device for a rubber and metal combined seal. The device is in the shape of a "dry" character, including a T-shaped component and a nut-shaped component. The nut-shaped component is arranged on the T-shaped component.

[0008] The T-shaped component is provided with a first groove, and the nut-shaped component is provided with a second groove. The combined seal is sleeved on the T-shaped component, and the rubber lip above the combined seal is embedded in the first groove. The nut-shaped component is arranged below the combined seal to lock the combined seal, and the rubber lip below the combined seal is embedded in the second groove.

[0009] Further, the T-shaped component includes a frustum and a cylinder. The lower bottom surface of the frustum is provided with a groove, and the cylinder is arranged in the groove on the lower bottom surface of the frustum.

[0010] Further, the groove part on the outer periphery of the upper bottom surface of the cylinder is the first groove.

[0011] Further, the nut-shaped component is cylindrical and has a through hole inside.

[0012] Further, the second groove is arranged on the outer periphery of the upper end surface of the through hole inside the nut-shaped component.

[0013] Further, the diameter of the through hole of the nut-shaped component is the same as the diameter of the cylinder of the T-shaped component.

[0014] Further, the outer diameter of the nut-shaped component is the same as the diameter of the lower bottom surface of the frustum of the T-shaped component.

[0015] Further, the depths of the first groove and the second groove are the same.

[0016] Further, the widths of the first groove and the second groove are the same.

[0017] Further, the frustum and the cylinder are integrally arranged.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0019] The utility model provides a T-shaped component and a nut-shaped component, wherein the T-shaped component is provided with a first groove, and the nut-shaped component is provided with a second groove, the rubber lip above the combined seal is embedded in the first groove, and the rubber lip below the combined seal is embedded in the second groove, and the nut-shaped component is arranged below the combined seal to lock the combined seal. By using the utility model, the combined seal is trimmed after vulcanization, and the trimming efficiency can be improved by adopting the oilstone grinding method, the labor intensity and labor cost are reduced, and the qualified rate of trimming is also greatly improved. The rubber edge of the product after trimming has few burrs, the rubber edge is removed cleanly, and the appearance quality meets the process and design requirements, and can simultaneously ensure the appearance and size requirements of the trimming, thereby improving the overall quality of the product. The rubber lips of the combined seal of the utility model are respectively embedded in the first groove and the second groove, which can effectively protect the rubber working surface of the combined seal from being damaged during the trimming work, thereby improving the performance and service life of the combined seal.

[0020] The utility model has a simple structure and is easy to manufacture and use. It can keep the width of the rubber covering surface of the combined seal within a certain range, improves the accuracy of the product, meets the required requirements, is suitable for enterprises of various sizes, has strong adaptability, and the utility model has a low price and low maintenance cost, which reduces the economic burden on some small enterprises. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, drawings of other embodiments can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a structural schematic diagram of the utility model and the combined seal;

[0023] Figure 2 yes Figure 1 The structural diagram of the combined seal in the middle;

[0024] Figure 3 yes Figure 1 Schematic diagram of the structure of the middle T-shaped component;

[0025] Figure 4 It is a schematic diagram of the structure of the T-shaped component and the combined seal;

[0026] The symbols in the figure are:

[0027] 1 - T-shaped component, 11 - frustum of a cone, 12 - cylinder, 2 - nut-shaped component, 3 - combined seal, 4 - first groove, 5 - second groove. Detailed implementation mode

[0028] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. The preferred embodiments of the present invention are shown in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0029] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0030] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", "connection", "setting" should be understood in a broad sense. For example, it can be fixedly connected and set, or detachably connected and set, or integrally connected and set. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] At the same time, in the description of the present invention, the terms "first", "second", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance. Of course, such objects can be interchanged under appropriate circumstances so that the embodiments of the present application described here can be implemented in an order other than that shown or described here.

[0032] Embodiment:

[0033] As Figure 1-Figure 4 shown, a trimming device for a rubber and metal combined seal is in a "dry" shape, including a T-shaped component 1 and a nut-shaped component 2, and the nut-shaped component 2 is arranged on the T-shaped component 1.

[0034] Among them, both the T-shaped component 1 and the nut-shaped component 2 are made of stainless steel to ensure their durability and stability.

[0035] The T-shaped component 1 includes a truncated cone 11 and a cylinder 12 . The bottom surface of the truncated cone 11 is provided with a groove. The cylinder 12 is integrally fixed in the groove of the bottom surface of the truncated cone 11 . The groove portion on the outer periphery of the bottom surface of the cylinder 12 is a first groove 4 .

[0036] The nut-type component 2 is cylindrical and has a through hole inside. A second groove 5 is provided on the outer periphery of the upper end surface of the through hole inside the nut-type component 2 .

[0037] The combined seal 3 is sleeved on the T-shaped component 1, and the rubber lip above the combined seal 3 is embedded in the first groove 4 to protect the rubber working surface of the combined seal 3 from damage. The nut-shaped component 2 is arranged below the combined seal 3 to lock the combined seal 3, and the rubber lip below the combined seal 3 is embedded in the second groove 5.

[0038] The first groove 4 and the second groove 5 have the same depth and the same width. The first groove 4 and the second groove 5 can protect the rubber working surface of the combined seal 3 from damage, and can also ensure that the width of the rubber covering surface of the combined seal 3 is maintained within the required range.

[0039] The through hole diameter of the nut-shaped component 2 is consistent with the inner diameter of the combined seal 3 and the diameter of the cylinder 12 of the T-shaped component 1 , and the outer diameter of the nut-shaped component 2 is consistent with the bottom surface diameter of the truncated cone 11 of the T-shaped component 1 .

[0040] In this embodiment, the torque of the nut-type component 2 is 200 N·m to ensure the firmness of the combined seal 3 .

[0041] In this embodiment, the total height of the T-shaped component 1 is 29 mm, the bottom diameter of the truncated cone 11 is 14 mm, the diameter of the cylinder 12 is 11.6 mm, the depth of the first groove 4 is 0.5 mm, and the width of the first groove 4 is 0.5 mm.

[0042] The through hole diameter of the nut-type component 2 is 11.6 mm, the outer diameter is 14 mm, the height is 10 mm, the depth of the second groove 5 is 0.5 mm, and the width of the second groove 5 is 0.5 mm.

[0043] The use process of this embodiment is as follows:

[0044] A power device and a fixing device are installed on a trimming machine, the power of the trimming machine is 0.5 kW, the speed is 1500 rpm, and the clamping force of the fixing device is 500 N;

[0045] Assemble a composite seal 3 with an inner diameter of 11.6 mm, a height of 2 mm, and a single-side thickness of the rubber lip of 0.5 mm on the T-shaped component 1, so that the rubber lip of the composite seal 3 is just embedded in the first groove 4 of the T-shaped component 1;

[0046] Put the nut-type component 2 under the combined seal 3 to lock the combined seal 3;

[0047] Install the assembled device on the fixing device, insert the lower end of the device into the groove of the trimmer, and ensure that the device can run synchronously with the rotating wheel of the power device;

[0048] Use customized oilstone to polish the exposed rubber edge of the combined seal 3 on the periphery;

[0049] After the grinding is completed, the device is disassembled and the combined seal 3 is taken out. At this time, the outer diameter of the rubber covering surface of the combined seal 3 is 14 mm, which meets the required requirements.

[0050] Through the above methods, the trimming work can be completed efficiently, reducing labor intensity and labor costs. At the same time, it is ensured that the rubber edge of the product after trimming has fewer burrs, the rubber edge is removed cleanly, and the appearance quality meets the process and design requirements.

[0051] The above specific examples are used to illustrate the present invention, which are only used to help understand the present invention and are not intended to limit the present invention. For those skilled in the art of the present invention, some simple deductions, deformations or substitutions can be made based on the idea of ​​the present invention.

Claims

1. A trimming device for a rubber-metal combined seal, characterized in that: The device is in a "dry" shape, including a T-shaped component (1) and a nut-shaped component (2), and the nut-shaped component (2) is arranged on the T-shaped component (1); A first groove (4) is provided on the T-shaped component (1), and a second groove (5) is provided on the nut-shaped component (2). The combined seal (3) is sleeved on the T-shaped component (1), and the rubber lip above the combined seal (3) is embedded in the first groove (4). The nut-shaped component (2) is arranged below the combined seal (3) to lock the combined seal (3), and the rubber lip below the combined seal (3) is embedded in the second groove (5).

2. The trimming device for a rubber-metal combined seal according to claim 1, characterized in that: The T-shaped component (1) includes a frustum (11) and a cylinder (12). A groove is provided on the lower bottom surface of the frustum (11), and the cylinder (12) is arranged in the groove on the lower bottom surface of the frustum (11).

3. The trimming device for a rubber-metal combined seal according to claim 2, characterized in that: The groove part on the outer periphery of the upper bottom surface of the cylinder (12) is the first groove (4).

4. The trimming device for a rubber-metal combined seal according to claim 1, characterized in that: The nut-shaped component (2) is cylindrical and has a through hole inside.

5. The trimming device for a rubber-metal combined seal according to claim 1, characterized in that: The second groove (5) is arranged on the outer periphery of the upper end surface of the through hole inside the nut-shaped component (2).

6. The trimming device for a rubber-metal combined seal according to claim 2, characterized in that: The diameter of the through hole of the nut-shaped component (2) is the same as the diameter of the cylinder (12) of the T-shaped component (1).

7. The trimming device for a rubber-metal combined seal according to claim 2, characterized in that: The outer diameter of the nut-shaped component (2) is the same as the diameter of the lower bottom surface of the frustum (11) of the T-shaped component (1).

8. The trimming device for a rubber-metal combined seal according to claim 1, characterized in that: The depths of the first groove (4) and the second groove (5) are the same.

9. The trimming device for a rubber-metal combined seal according to claim 1, characterized in that: The widths of the first groove (4) and the second groove (5) are the same.

10. The trimming device for a rubber-metal combined seal according to claim 2, characterized in that: The frustum (11) and the cylinder (12) are integrally arranged.

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