Polishing equipment for machining mechanical sealing element

Abstract

The utility model provides a polishing device for machining a mechanical sealing element, which comprises a supporting and assembling component, a bearing grinding and polishing component, an adapter bracket component, a circumferential limiting component, an axial pressing and fixing component and an auxiliary positioning component, and the bearing grinding and polishing component, the circumferential limiting component and the axial pressing and fixing component in the polishing device are matched with one another. The mechanical sealing element can be accurately positioned and fixed, it is ensured that the sealing element keeps a stable posture in the polishing process, and therefore the high-precision polishing effect is achieved, the pressing and fixing disc and the limiting check ring are tightly matched, stability in the polishing process is ensured, and polishing quality reduction caused by vibration or displacement is avoided; by adjusting the positions and the number of the circumferential limiting assemblies and the axial pressing assemblies, the mechanical sealing parts of different specifications and shapes can be subjected to polishing treatment, through high-precision polishing treatment, the surface quality of the mechanical sealing parts can be remarkably improved, the sealing performance and the abrasion resistance of the mechanical sealing parts are improved, and therefore the overall quality and reliability of products are improved.

Description

Technical Field

[0001] The utility model relates to mechanical seal processing equipment, in particular to a polishing equipment used for mechanical seal processing. Background Art

[0002] In the processing process of mechanical seals, polishing is usually the last step of finishing and surface treatment. Through polishing, it can be ensured that the seals achieve the required dimensional accuracy, shape accuracy and surface quality before final assembly to meet the requirements of sealing performance and service life. Patent document CN203418403U discloses a polishing device that can polish mechanical seals. It includes a polishing assembly and a polishing drive assembly. The polishing assembly includes an abrasive belt and a runner. The abrasive belt is tensioned on the outer surface of the runner. The runner is fixed to the frame of the polishing machine through a support. The polishing assembly includes at least three groups of runners, namely a first runner, a second runner and a third runner. The first, second and third runners are arranged in sequence along the direction from the input end to the output end of the workpiece. The outer surface of each group of runners is tensioned with an abrasive belt. The support is provided with a power mechanism that drives the first runner to swing back and forth slightly. It has the advantages of high abrasive belt utilization, good polishing effect and low rework rate. However, this polishing device is not provided with a workpiece limiting structure, which makes the workpiece easily shifted during the polishing process, affecting the polishing quality and efficiency. Therefore, it is necessary to optimize its structure to overcome the above defects. Utility Model Content

[0003] The purpose of the utility model is to provide a polishing device for machining mechanical seals, so as to improve the polishing quality and efficiency.

[0004] The technical solution adopted by the present invention to solve its technical problems is:

[0005] A polishing device for machining mechanical seals, comprising:

[0006] a support assembly component having an installation space therein;

[0007] The bearing grinding and polishing assembly is installed in the supporting assembly assembly through a rotating structure and is connected to the grinding and polishing drive mechanism. The grinding and polishing drive mechanism drives the bearing grinding and polishing assembly to rotate in the supporting assembly assembly. The bearing grinding and polishing assembly has a bearing space for placing a mechanical seal;

[0008] The adapter support assembly is installed on the supporting assembly and corresponds to the position of the bearing grinding and polishing assembly, and has an installation space inside;

[0009] A circumferential limit assembly is provided in a group, each circumferential limit assembly is respectively placed on the bearing grinding and polishing assembly, and has an accommodation space inside, which can circumferentially limit the mechanical seal on the bearing grinding and polishing assembly;

[0010] Axial pressing assembly, which is provided with a group, each axial pressing assembly is installed in the adapter support assembly through a movable connection structure, cooperates with the circumferential limit assembly, and is connected with the pressing drive mechanism. The pressing drive mechanism drives the axial pressing assembly to position the circumferential limit assembly and press the mechanical seal in the circumferential limit assembly, so that the bearing grinding and polishing assembly polishes the mechanical seal;

[0011] The auxiliary positioning component is installed in the transfer support component through a movable connection structure. It cooperates with the circumferential limit component and is connected with the positioning drive component. The auxiliary positioning component assists in positioning the circumferential limit component.

[0012] Specifically, the support assembly components include:

[0013] The supporting machine is formed by enclosing plates and rods and arranged horizontally. Its bottom is provided with walking casters and supporting legs. It can be moved on the ground by the walking casters and supported by the supporting legs. The bearing grinding and polishing components are installed inside the supporting machine. A avoidance opening is opened on the top of the supporting machine to expose the bearing grinding and polishing components from the avoidance opening.

[0014] The load-bearing grinding and polishing components include:

[0015] The bearing seat disc is installed in the supporting machine through bearings and is connected to the grinding and polishing drive motor through a transmission chain. The grinding and polishing drive motor drives the bearing seat disc to rotate. The top of the bearing seat disc is provided with grinding and polishing convex patterns. The mechanical seal is placed on the bearing seat disc, and its bottom surface is polished by the grinding and polishing convex patterns.

[0016] In one embodiment of the present invention, a limiting flange is provided on the top of the supporting machine. The limiting flange extends along the edge of the avoidance opening and protrudes above the supporting machine. The limiting flange limits the mechanical seal on the bearing seat plate to prevent it from detaching from the bearing seat plate.

[0017] The adapter bracket assembly includes:

[0018] The transfer stand is formed by enclosing plates and rods. It is installed on the top of the support machine. It extends above the support machine and spans above the bearing seat to form an installation space inside it.

[0019] The circumferential limit assembly includes:

[0020] A group of limit retaining rings are provided, each of which is placed on the top of the bearing seat disc and below the adapter stand. The limit retaining rings are used to limit the circumferential position of the mechanical seal on the bearing seat disc.

[0021] The axial pressing assembly includes:

[0022] A set of pressing discs is provided, each of which is pressed onto the top of the mechanical seal, with its edge located inside the limit ring;

[0023] There is a group of pressing support rods, each of which is installed on the top of the pressing disc and extends above the pressing disc. The top of the pressing support rod extends into the adapter frame and is connected to the pressing cylinder. The pressing cylinder drives the pressing support rod to press down, so that the pressing disc applies axial pressure to the mechanical seal.

[0024] Auxiliary positioning components include:

[0025] Positioning bar, which is provided in a group, each positioning bar is an arc structure, adapted to the shape of the outer wall of the limit retaining ring, and can position the limit retaining ring;

[0026] A positioning carrier plate is mounted on the top of the positioning bar through a connector to support the positioning bar;

[0027] The positioning support rod is installed on the top of the positioning carrier and extends above the positioning carrier. Its top extends into the transfer stand and is connected to the lifting cylinder. The lifting cylinder drives the positioning carrier and the positioning baffle to rise or fall. When the positioning baffle falls to the height of the limit retaining ring, the position of the limit retaining ring is adjusted so that its outer wall abuts against the positioning baffle. The limit retaining ring is positioned by the positioning baffle. At this time, the pressing support rod is pressed down to make the pressing disc enter the inner side of the limit retaining ring and press it on the top of the mechanical seal. Then the positioning baffle is raised and disengaged from the limit retaining ring.

[0028] In one embodiment of the present invention, guide rollers are respectively provided at both ends of each positioning bar, and the guide rollers guide the adjustment process of the retaining ring therein.

[0029] The advantages of the present invention are:

[0030] The load-bearing grinding and polishing assembly, circumferential limit assembly and axial pressing assembly in the polishing equipment cooperate with each other to accurately position and fix the mechanical seal, ensuring that the seal maintains a stable posture during the polishing process, thereby achieving a high-precision polishing effect. The close cooperation between the pressing disc and the limit retaining ring ensures stability during the polishing process and avoids the degradation of polishing quality due to vibration or displacement. By adjusting the position and number of the circumferential limit assembly and the axial pressing assembly, it can adapt to the polishing of mechanical seals of different specifications and shapes, thereby improving the versatility and flexibility of the equipment. Through high-precision polishing, the surface quality of the mechanical seal can be significantly improved, and its sealing performance and wear resistance can be improved, thereby improving the overall quality and reliability of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a schematic diagram of the external structure of the polishing equipment for machining mechanical seals proposed by the present invention;

[0032] Figure 2 It is a schematic diagram of the internal structure of the polishing equipment. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the utility model for protection, but merely represents selected embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0034] like Figure 1 、 Figure 2As shown, the utility model proposes a polishing device for mechanical seal processing, which includes a supporting assembly component, a bearing grinding and polishing component, a transfer support component, a circumferential limit component, an axial pressing component and an auxiliary positioning component. The supporting assembly component has an installation space, the bearing grinding and polishing component is installed in the supporting assembly component through a rotating structure, and is connected with the grinding and polishing drive mechanism, and the bearing grinding and polishing component is driven by the grinding and polishing drive mechanism to rotate in the supporting assembly component, and the bearing grinding and polishing component has a bearing space for placing mechanical seals, the transfer support component is installed on the supporting assembly component, and corresponds to the position of the bearing grinding and polishing component, and has an installation space inside it, and a group of circumferential limit components are provided, and each circumferential limit component is respectively placed on the bearing grinding and polishing component. The component has an accommodating space inside, which can circumferentially limit the mechanical seal on the load-bearing grinding and polishing component. A group of axial pressing components are provided, and each axial pressing component is installed in the adapter support component through a movable connection structure. It cooperates with the circumferential limiting component and is connected to the pressing drive mechanism. The pressing drive mechanism drives the axial pressing component to position the circumferential limiting component and press the mechanical seal in the circumferential limiting component, so that the load-bearing grinding and polishing component polishes the mechanical seal. The auxiliary positioning component is installed in the adapter support component through a movable connection structure. It cooperates with the circumferential limiting component and is connected to the positioning drive component. The auxiliary positioning component assists in positioning the circumferential limiting component.

[0035] In this embodiment, the support assembly component includes a support machine 100, which is formed by enclosing plates and rods and arranged horizontally. A walking caster and a supporting leg are provided at the bottom of the support machine. The support machine can be moved on the ground by the walking caster and supported by the supporting leg. The bearing grinding and polishing component is installed inside the support machine, and a clearance opening is opened on the top of the support machine so that the bearing grinding and polishing component is exposed from the clearance opening.

[0036] The bearing and polishing assembly includes a bearing seat plate 200, which is installed in the supporting machine through bearings and connected to the polishing drive motor through a transmission chain belt. The bearing seat plate is driven to rotate by the polishing drive motor. The top of the bearing seat plate is provided with polishing convex grooves, and the mechanical seal is placed on the bearing seat plate, and its bottom surface is polished by the polishing convex grooves.

[0037] In this embodiment, a limiting flange 110 is provided on the top of the support machine. The limiting flange extends along the edge of the avoidance opening and protrudes above the support machine. The limiting flange limits the mechanical seal on the bearing seat plate to prevent it from detaching from the bearing seat plate.

[0038] The transfer support assembly includes a transfer stand 300, which is formed by enclosing plates and rods. It is installed on the top of the support machine, extends above the support machine, and spans above the bearing base plate to form an installation space inside it.

[0039] The circumferential limit assembly includes a limit ring 400, and a group of limit rings are provided. Each limit ring is placed on the top of the bearing seat and below the adapter stand. The limit rings are used to circumferentially limit the mechanical seal on the bearing seat.

[0040] The axial pressing assembly includes a pressing disc 510 and a pressing support rod 520. A group of pressing discs are provided, and each pressing disc is pressed onto the top of the mechanical seal, with its edge located on the inner side of the limit ring. A group of pressing support rods are provided, and each pressing support rod is installed on the top of the pressing disc and extends above the pressing disc. The top of the pressing support rod extends into the adapter frame and is connected to the pressing cylinder. The pressing cylinder drives the pressing support rod to press down, so that the pressing disc applies axial pressure to the mechanical seal.

[0041] The auxiliary positioning assembly includes a positioning bar 610, a positioning carrier plate 620 and a positioning support rod 630. There is a group of positioning bars, each of which is an arc-shaped structure, adapted to the shape of the outer wall of the limit retaining ring, and can position the limit retaining ring. The positioning carrier plate is installed on the top of the positioning bar through a connecting piece, and can carry the positioning bar. The positioning support rod is installed on the top of the positioning carrier plate and extends above the positioning carrier plate. Its top extends into the transfer stand and is connected to the lifting cylinder. The lifting cylinder drives the positioning carrier plate and the positioning bar to rise or fall. When the positioning bar falls to the height of the limit retaining ring, the position of the limit retaining ring is adjusted so that its outer wall is abutted against the positioning bar, and the limit retaining ring is positioned by the positioning bar. At this time, the pressing support rod is pressed down to make the pressing disc enter the inner side of the limit retaining ring and press it on the top of the mechanical seal. Then the positioning bar is raised and disengaged from the limit retaining ring.

[0042] In this embodiment, guide rollers 611 are provided at both ends of each positioning bar, and the guide rollers guide the adjustment process of the retaining ring therein.

[0043] In the description of the present utility model, it should be noted that when terms such as "upper", "lower", "inner", "outer", "left", and "right" indicate an orientation or positional relationship, they should be understood as being based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present utility model. In addition, when terms such as "first" and "second" appear, they are only used to distinguish the description and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and limited, terms such as "installation", "setting", and "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or it can be a communication between the internal parts of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

Claims

1. A polishing device for machining mechanical seals, characterized in that: include: a support assembly component having an installation space therein; The bearing grinding and polishing assembly is installed in the supporting assembly assembly through a rotating structure and is connected to the grinding and polishing drive mechanism. The grinding and polishing drive mechanism drives the bearing grinding and polishing assembly to rotate in the supporting assembly assembly. The bearing grinding and polishing assembly has a bearing space for placing a mechanical seal; The adapter support assembly is installed on the supporting assembly and corresponds to the position of the bearing grinding and polishing assembly, and has an installation space inside; A circumferential limit assembly is provided in a group, each circumferential limit assembly is respectively placed on the bearing grinding and polishing assembly, and has an accommodation space inside, which can circumferentially limit the mechanical seal on the bearing grinding and polishing assembly; Axial pressing assembly, which is provided with a group, each axial pressing assembly is installed in the adapter support assembly through a movable connection structure, cooperates with the circumferential limit assembly, and is connected with the pressing drive mechanism. The pressing drive mechanism drives the axial pressing assembly to position the circumferential limit assembly and press the mechanical seal in the circumferential limit assembly, so that the bearing grinding and polishing assembly polishes the mechanical seal; The auxiliary positioning component is installed in the transfer support component through a movable connection structure. It cooperates with the circumferential limit component and is connected with the positioning drive component. The auxiliary positioning component assists in positioning the circumferential limit component.

2. The polishing device for machining mechanical seals according to claim 1, characterized in that: The support assembly components include: The supporting machine is formed by enclosing plates and rods and arranged horizontally. Its bottom is provided with walking casters and supporting legs. The bearing grinding and polishing components are installed inside the supporting machine. A avoidance opening is opened on the top of the supporting machine so that the bearing grinding and polishing components are exposed from the avoidance opening.

3. The polishing device for machining mechanical seals according to claim 2, characterized in that: The load-bearing grinding and polishing components include: The bearing seat disc is installed in the supporting machine through a bearing and is connected to the grinding and polishing drive motor through a transmission chain. The top of the bearing seat disc is provided with grinding and polishing convex patterns, and a mechanical seal is placed on the bearing seat disc.

4. The polishing device for machining mechanical seals according to claim 3, characterized in that: The adapter bracket assembly includes: The transfer stand is formed by enclosing plates and rods. It is installed on the top of the support machine. It extends above the support machine and spans above the bearing seat to form an installation space inside it.

5. The polishing device for machining mechanical seals according to claim 4, characterized in that: The circumferential limit assembly includes: A set of limit retaining rings is provided, each of which is placed on the top of the bearing seat plate and below the transfer stand.

6. The polishing device for machining mechanical seals according to claim 5, characterized in that: The axial pressing assembly includes: A set of pressing discs is provided, each of which is pressed onto the top of the mechanical seal, with its edge located inside the limit ring; A set of pressing support rods is provided. Each pressing support rod is respectively installed on the top of the pressing disc and extends above the pressing disc. The top of the pressing support rod extends into the transfer stand and is connected with the pressing cylinder.

7. The polishing device for machining mechanical seals according to claim 6, characterized in that: Auxiliary positioning components include: Positioning bars, which are provided in a group, each of which is an arc-shaped structure, adapted to the shape of the outer wall of the limit retaining ring; A positioning carrier plate, which is mounted on the top of the positioning bar through a connector; The positioning support rod is installed on the top of the positioning carrier and extends above the positioning carrier. Its top extends into the transfer frame and is connected to the lifting cylinder. The lifting cylinder drives the positioning carrier and the positioning baffle to rise or fall.

8. The polishing device for machining mechanical seals according to claim 7, characterized in that: Guide rollers are provided at both ends of each positioning bar, and the guide rollers guide the adjustment process of the retaining ring within the bar.

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