Explosion-proof lens flange sealing surface grinding machine

Abstract

The utility model relates to an explosion-proof lens flange sealing surface grinding machine. The explosion-proof lens flange sealing surface grinding machine comprises a shell, a transmission assembly, a driving part, a grinding assembly and a supporting and fixing assembly, a transmission cavity is formed in the shell, and a first rotating shaft and a second rotating shaft which are rotationally connected with the shell are arranged at the two ends of the transmission cavity correspondingly. The transmission assembly comprises a driving belt wheel, a driven belt wheel and a synchronous belt. The driving piece is connected with the first rotating shaft and used for driving the first rotating shaft to rotate; the grinding assembly comprises a third rotating shaft and a grinding disc, the upper end of the third rotating shaft is connected with the bottom of the second rotating shaft, and the upper portion of the third rotating shaft is sleeved with the grinding disc; the supporting and fixing assembly is connected to the lower portion of the third rotating shaft in a sleeving mode and used for fixedly arranging the grinding machine on the flange sealing face. The grinding device has the advantages of being light in size, easy to assemble, low in operation difficulty, good in grinding effect and the like, the field repairing efficiency can be effectively improved, and accurate grinding of the flange sealing face is ensured.

Description

Technical Field

[0001] This utility model relates to the field of flange sealing surface repair technology, and in particular to an explosion-proof lens flange sealing surface grinding machine. Background Technology

[0002] In pipeline engineering for petroleum, chemical, food, and fluid transportation, flanges are commonly used to connect pipes, valves, and pressure vessels. As a common pipeline connection method, the sealing performance of flange connections directly affects the safety and operational efficiency of the entire system. Reliable flange sealing is the most basic requirement for flange connections; however, in practical engineering applications, leakage problems caused by flange seal failure are common, especially under complex conditions such as high pressure, high temperature, and corrosive media. Lens gasket flanges and their matching metal lens gaskets are often used in high-pressure pipeline connections due to their excellent sealing performance. Their sealing principle is to form a sealing line through the tight contact of a spherical surface and a conical surface, thereby achieving effective sealing under high-pressure environments. However, this sealing structure also has certain limitations. Because the sealing surface is a spherical surface in contact with a conical surface, during long-term operation, especially under complex environments such as high pressure, high temperature, chemical corrosion, or electro-corrosion, the sealing surface is prone to indentation, wear, or corrosion, leading to a decline in sealing performance and even leakage problems.

[0003] To ensure the sealing performance of flange connections, the tapered sealing surface of pipe flanges typically requires periodic repair and grinding. Traditional repair methods primarily involve manual grinding with sandpaper. While simple to operate, this method suffers from several problems: firstly, manual grinding is inefficient and unsuitable for large-scale pipeline projects; secondly, manual operation makes it difficult to guarantee uniformity and precision in grinding, easily leading to uneven or skewed sealing surfaces, which negatively impacts the sealing effect; furthermore, manual grinding is labor-intensive, requires a high level of skill from operators, and often yields unsatisfactory repair results, failing to fundamentally solve the sealing failure problem. Utility Model Content

[0004] Therefore, it is necessary to provide an explosion-proof lens flange sealing surface to solve the problems of low grinding efficiency, low processing accuracy, and high technical requirements for operators that exist in the current method of manually grinding flange sealing surfaces, thereby improving the grinding efficiency of flange sealing surfaces, improving processing accuracy, and improving the sealing effect of the flange surface after grinding.

[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: An explosion-proof lens flange sealing surface grinding machine, comprising: a housing, a transmission assembly, a drive component, a grinding assembly, and a support and fixing assembly;

[0006] The housing has a transmission chamber inside, and the two ends of the transmission chamber are respectively provided with a first rotating shaft and a second rotating shaft that are rotatably connected to the housing; the transmission assembly includes a driving pulley sleeved on the first rotating shaft, a driven pulley sleeved on the second rotating shaft, and a synchronous belt encircling the driving pulley and the driven pulley; the driving component is connected to the first rotating shaft and is used to drive the first rotating shaft to rotate; the grinding assembly includes a third rotating shaft and a grinding disc, the upper end of the third rotating shaft is connected to the bottom of the second rotating shaft, and the grinding disc is sleeved on the upper part of the third rotating shaft; the support and fixing assembly is sleeved on the lower part of the third rotating shaft and is used to fix the grinding machine on the flange sealing surface.

[0007] In one embodiment, the housing includes an upper body and a lower end cover. The lower end face of the upper body is provided with a transmission groove, and the lower end cover covers the lower part of the upper body. The upper body and the lower end cover enclose a transmission chamber for accommodating a transmission component. The housing at both ends of the transmission chamber is provided with a first mounting part and a second mounting part, respectively. The upper end of the first mounting part is connected to the upper end face of the upper body, and the bottom of the second mounting part is connected to the lower end face of the lower end cover.

[0008] In one embodiment, the first rotating shaft is mounted on a first mounting part, and the upper end of the first rotating shaft extends above the housing; a first snap-fit ​​protrusion is provided in the middle of the side wall of the first rotating shaft, and the first snap-fit ​​protrusion is located in the transmission chamber; the first rotating shaft is connected to the upper body and the lower end cover through a first bearing.

[0009] In one embodiment, the second rotating shaft is mounted on the second mounting part, and the bottom of the second rotating shaft extends to the bottom of the lower end cover; the side wall of the second rotating shaft is provided with a second locking protrusion and a third locking protrusion, the second locking protrusion is located in the transmission chamber and is parallel to the first locking protrusion; the third locking protrusion is located below the lower end cover; the second rotating shaft is connected to the upper body and the lower end cover through a second bearing.

[0010] In one embodiment, the inner ring sidewall of the drive pulley is provided with a first snap-fit ​​groove, which snaps into the first snap-fit ​​protrusion.

[0011] In one embodiment, the inner ring sidewall of the driven pulley is provided with a second snap-fit ​​groove, which snaps into the second snap-fit ​​protrusion.

[0012] In one embodiment, the upper end face of the third rotating shaft is provided with a downwardly recessed third snap-fit ​​groove and a magnet mounting part located below the third snap-fit ​​groove. The third snap-fit ​​groove is snapped into the third snap-fit ​​protrusion, and a magnet is fixed inside the magnet mounting part. A fourth snap-fit ​​protrusion is provided on the side wall of the third rotating shaft.

[0013] In one embodiment, the inner ring sidewall of the grinding disc is provided with a fourth snap-fit ​​groove, which snaps into the fourth snap-fit ​​protrusion.

[0014] In one embodiment, the support and fixing assembly includes a bearing housing and a plurality of rubber rings. The bearing housing is fixed to the bottom of the third rotating shaft by a third bearing. The outer side of the bearing housing is provided with a plurality of mounting grooves, and the plurality of rubber rings are sequentially fitted onto the mounting grooves.

[0015] In one embodiment, a mounting base for fixing the drive component is further included. The mounting base has a connecting through hole in the middle that connects the upper and lower surfaces of the mounting base. The mounting base is fixed above the first mounting part, and the connecting through hole is coaxially arranged with the first rotating shaft.

[0016] The beneficial effects of this utility model are as follows: This utility model provides an explosion-proof lens flange sealing surface grinding machine. A transmission chamber is set inside the housing, containing a first rotating shaft and a second rotating shaft. A transmission assembly is provided between the first and second rotating shafts. The first rotating shaft is connected to a driving component, and the second rotating shaft is connected to a grinding assembly. The driving component drives the first rotating shaft to rotate, and the transmission assembly drives the second rotating shaft and the grinding assembly to rotate synchronously. This allows the grinding disc in the grinding assembly to grind the sealing surface, improving the processing efficiency of the flange sealing surface. A support and fixing assembly is also provided at the bottom of the third rotating shaft. Under the action of the support and fixing assembly, the grinding disc can be fixed on the flange, and the grinding disc and the flange sealing surface are kept coaxial, ensuring the uniformity and accuracy of the grinding process and avoiding unevenness or skewing of the sealing surface. The third rotating shaft is connected to the second rotating shaft by a snap-fit ​​method. A magnet is also provided inside the third rotating shaft, allowing the second and third rotating shafts to be connected by magnetic attraction, facilitating quick calibration of the reference and reducing operational difficulty. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a cross-sectional structural schematic diagram of an explosion-proof lens flange sealing surface grinding machine according to one embodiment;

[0019] Figure 2 This is a schematic diagram of the housing structure of an explosion-proof lens flange sealing surface grinding machine according to one embodiment;

[0020] Figure 3A schematic diagram of the first rotating shaft structure of an explosion-proof lens flange sealing surface grinding machine according to one embodiment;

[0021] Figure 4 A schematic diagram of the second rotating shaft structure of an explosion-proof lens flange sealing surface grinding machine according to one embodiment;

[0022] Figure 5 This is a schematic diagram of the third rotating shaft structure of an explosion-proof lens flange sealing surface grinding machine according to one embodiment.

[0023] In the attached diagram, 10 is an explosion-proof lens flange sealing surface grinding machine; 100 is a housing; 110 is an upper body; 120 is a lower end cover; 130 is a transmission chamber; 200 is a first rotating shaft; 210 is a first snap-fit ​​protrusion; 220 is a first bearing; 300 is a second rotating shaft; 310 is a second snap-fit ​​protrusion; 320 is a third snap-fit ​​protrusion; 330 is a second bearing; 400 is a transmission assembly; 410 is a driving pulley; 420 is a driven pulley; 500 is a grinding assembly; 510 is a third rotating shaft; 511 is a third snap-fit ​​groove; 512 is a magnet mounting part; 513 is a magnet; 514 is a fourth snap-fit ​​protrusion; 520 is a grinding disc; 600 is a support and fixing assembly; 610 is a bearing seat; 620 is a third bearing; 630 is a mounting groove; 700 is a fixing seat; and 710 is a connecting through hole. Detailed Implementation

[0024] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments of the present invention can be combined with each other. The technical solution of the present invention will be further described below with reference to the accompanying drawings of the embodiments. The present invention is not limited to the specific embodiments described below.

[0025] It should be understood that the same or similar reference numerals in the accompanying drawings of the embodiments correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "front," "rear," "left," "right," "top," and "bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms describing positional relationships in the accompanying drawings are for illustrative purposes only and should not be construed as limiting this patent. Those skilled in the art can understand the specific meaning of the above terms according to the specific circumstances.

[0026] In one embodiment, such as Figures 1 to 5As shown, an explosion-proof lens flange sealing surface grinding machine 10 includes: a housing 100, a transmission assembly 400, a drive component, a grinding assembly 500, and a support and fixing assembly 600; the housing 100 has a transmission chamber 130 inside, and the two ends of the transmission chamber 130 are respectively provided with a first rotating shaft 200 and a second rotating shaft 300 rotatably connected to the housing 100; the transmission assembly 400 includes a driving pulley 410 sleeved on the first rotating shaft 200 and a driven pulley 420 sleeved on the second rotating shaft 300. A synchronous belt is provided around the driving pulley 410 and the driven pulley 420; the driving component is connected to the first rotating shaft 200 and is used to drive the first rotating shaft 200 to rotate; the grinding assembly 500 includes a third rotating shaft 510 and a grinding disc 520, the upper end of the third rotating shaft 510 is connected to the bottom of the second rotating shaft 300, and the grinding disc 520 is sleeved on the upper part of the third rotating shaft 510; the support and fixing assembly 600 is sleeved on the lower part of the third rotating shaft 510 and is used to fix the grinding machine on the flange sealing surface.

[0027] In this embodiment, as Figure 1 As shown, a first rotating shaft 200 and a second rotating shaft 300 are rotatably connected to the housings 100 at both ends of the transmission chamber 130, respectively. The driving pulley 410 in the transmission assembly 400 is sleeved on the first rotating shaft 200, and the driven pulley 420 is sleeved on the second rotating shaft 300. The driving pulley 410 and the driven pulley 420 are connected by a synchronous belt. A driving component is connected above the first rotating shaft 200. Under the action of the driving component, the first rotating shaft 200 drives the second rotating shaft 300 to rotate synchronously through the transmission assembly 400. The bottom of the second rotating shaft 300 is connected to the third rotating shaft 510 in the grinding assembly 500. The grinding disc 520 is fixed on the third rotating shaft 510. The third rotating shaft 510 and the grinding disc 520 also rotate synchronously with the second rotating shaft 300. The grinding disc 520 rotates and grinds the flange sealing surface, thereby repairing the defects in the sealing surface and improving the sealing effect of the flange sealing surface. A support and fixing component 600 is provided at the lower part of the third rotating shaft 510. Under the action of the support and fixing component 600, the grinding machine is fixed on the flange sealing surface, so that the grinding disc 520 is kept stable on the flange sealing surface. It can also keep the grinding disc 520 and the flange sealing surface coaxial and horizontal. In this way, it can avoid uneven processing or skew during the grinding of the flange sealing surface, and improve the repair efficiency and repair quality.

[0028] In one embodiment, the housing 100 includes an upper body 110 and a lower end cover 120. The lower end face of the upper body 110 is provided with a transmission groove, and the lower end cover 120 covers the lower part of the upper body 110. The upper body 110 and the lower end cover 120 enclose a transmission chamber 130 for accommodating the transmission assembly 400. The housing 100 at both ends of the transmission chamber 130 is provided with a first mounting part and a second mounting part, respectively. The upper end of the first mounting part is connected to the upper end face of the upper body 110, and the bottom of the second mounting part is connected to the lower end face of the lower end cover 120. Specifically, the housing 100 has hand grips on both side walls along its length for easy hand gripping; the upper body 110 has an upwardly recessed transmission groove on its lower end face, and the lower end cover 120 covers the lower end face of the upper body 110 and is fixedly connected by screws; after the lower end cover 120 is fixed to the upper body 110, a transmission chamber 130 for mounting the transmission assembly 400 is formed inside the housing 100; the housing 100 at both ends of the transmission chamber 130 is provided with a first mounting part for mounting the first rotating shaft 200 and a second mounting part for mounting the second rotating shaft 300, respectively. The first mounting part includes a first mounting position on the upper surface of the lower end cover 120 and a first mounting through hole in the upper body 110; the second mounting part includes a second mounting position on the upper body 110 and a second mounting through hole in the lower end cover 120.

[0029] In one embodiment, such as Figure 3 As shown, the first rotating shaft 200 is mounted on the first mounting part, and the upper end of the first rotating shaft 200 extends above the housing 100; a first snap-fit ​​protrusion 210 is provided in the middle of the side wall of the first rotating shaft 200, and the first snap-fit ​​protrusion 210 is located in the transmission chamber 130; the first rotating shaft 200 is connected to the upper body 110 and the lower end cover 120 through a first bearing 220. Specifically, the first rotating shaft 200 is composed of multiple cylinders of different diameters arranged coaxially. The first bearing 220 is a deep groove ball bearing. The first rotating shaft 200 is set in the first mounting part through the deep groove ball bearing. That is, the first bearing 220 is fixed on the first mounting position and the first mounting through hole on the housing 100. The first rotating shaft 200 is sleeved in the two first bearings 220, and the upper end of the first rotating shaft 200 extends through the first mounting hole to the top of the upper body 110 and connects with the driving component. Under the action of the driving component, the first rotating shaft 200 can rotate on the housing 100. The side wall of the first rotating shaft 200 is provided with a first snap-fit ​​protrusion 210. The first snap-fit ​​protrusion 210 is located in the transmission chamber 130 and is used to fix the drive pulley 410 set in the transmission chamber 130.

[0030] In one embodiment, such as Figure 4As shown, the second rotating shaft 300 is mounted on the second mounting part, and the bottom of the second rotating shaft 300 extends to the bottom of the lower end cover 120; the side wall of the second rotating shaft 300 is provided with a second locking protrusion 310 and a third locking protrusion 320, the second locking protrusion 310 is located in the transmission chamber 130 and is parallel to the first locking protrusion 210; the third locking protrusion 320 is located below the lower end cover 120; the second rotating shaft 300 is connected to the upper body 110 and the lower end cover 120 through a second bearing 330. Specifically, the second rotating shaft 300 is composed of multiple coaxially arranged cylinders of different diameters. The second bearing 330 is also a deep groove ball bearing. There are two second rotating shafts 300, which are fixed on the second mounting position and the second mounting through hole, respectively. The upper end of the second rotating shaft 300 is sleeved in the second bearing 330 on the second mounting position, and the lower part of the second rotating shaft 300 is sleeved in the second bearing 330 on the second mounting through hole. The lower end of the second rotating shaft 300 extends through the second mounting through hole to below the lower end cover 120. The side wall of the second rotating shaft 300 is provided with a second snap-fit ​​protrusion 310 and a third snap-fit ​​protrusion 320. The second snap-fit ​​protrusion 310 is located in the transmission chamber 130 and is on the same horizontal plane as the first snap-fit ​​protrusion 210. The third snap-fit ​​protrusion 320 is located at the bottom of the side wall of the second rotating shaft 300 and below the lower end cover 120, and is used to connect the grinding assembly 500.

[0031] In one embodiment, the inner ring sidewall of the driving pulley 410 is provided with a first engaging groove, which engages with the first engaging protrusion 210. The inner ring sidewall of the driven pulley 420 is provided with a second engaging groove, which engages with the second engaging protrusion 310. Specifically, the driving pulley 410 has an annular structure. The outer sidewall of the driving pulley 410 is provided with limiting rings at both the upper and lower ends. The inner sidewall of the driving pulley 410 is provided with a first engaging groove corresponding to the first engaging protrusion 210. The first engaging groove engages with the first engaging protrusion 210, so that the driving pulley 410 is fixed on the first rotating shaft 200 and located inside the transmission chamber 130. The driven pulley 420 has the same structure as the driving pulley 410 and is provided in the driven pulley 420. The second snap-fit ​​groove on the inner sidewall snaps into the second snap-fit ​​protrusion 310, fixing the driven pulley 420 onto the second rotating shaft 300. The driving pulley 410 and the driven pulley 420 are arranged in parallel. The two ends of the synchronous belt are respectively sleeved on the outer sidewalls of the driving pulley 410 and the driven pulley 420, and are located between the upper and lower limit rings. The first rotating shaft 200 and the second rotating shaft 300 are rotated synchronously through the transmission assembly 400, thereby driving the grinding mechanism to rotate and process the flange sealing surface.

[0032] In one embodiment, such as Figure 5As shown, the upper end face of the third rotating shaft 510 is provided with a downwardly recessed third snap-fit ​​groove 511 and a magnet mounting part 512 located below the third snap-fit ​​groove 511. The third snap-fit ​​groove 511 is snapped into the third snap-fit ​​protrusion 320. A magnet 513 is fixed inside the magnet mounting part 512. A fourth snap-fit ​​protrusion 514 is provided on the side wall of the third rotating shaft 510. Specifically, the upper end face of the third rotating shaft 510 is provided with a third retaining groove 511 that is recessed downward from the upper end face. The third retaining groove 511 has the same structure as the lower end of the second rotating shaft 300. The lower end of the second rotating shaft 300 and the third retaining protrusion 320 are installed into the third retaining groove 511 to realize the connection between the second rotating shaft 300 and the third rotating shaft 510. Below the third retaining groove 511, there is a magnet mounting part 512. The magnet 513 set in the magnet mounting part 512 is a neodymium magnet. Through the magnetic attraction between the magnet 513 and the second rotating shaft 300, the assembly process of the second rotating shaft 300 and the third rotating shaft 510 is made simpler. The upper side wall of the third rotating shaft 510 is provided with a fourth retaining protrusion 514. The fourth retaining protrusion 514 is used to retain the grinding disc 520, so that the grinding disc 520 is fixed on the third rotating shaft 510.

[0033] In one embodiment, the inner ring sidewall of the grinding disc 520 is provided with a fourth snap-fit ​​groove, which snaps into the fourth snap-fit ​​protrusion 514. Specifically, the grinding disc 520 is a frustum-shaped part with a through hole in the middle, smaller at the bottom and larger at the top. The inclination angle of the grinding surface ensures that the grinding surface can grind the flange sealing surface. The fourth snap-fit ​​groove is provided on the sidewall of the through hole of the grinding disc, and the shape of the fourth snap-fit ​​groove corresponds to the shape of the fourth snap-fit ​​protrusion 514. The grinding disc 520 is assembled onto the third rotating shaft 510 by snapping the fourth snap-fit ​​groove and the fourth snap-fit ​​protrusion 514. The grinding surface of the grinding disc 520 contacts the flange sealing surface, and the grinding disc 520 rotates synchronously with the third rotating shaft 510, thereby grinding and repairing the flange sealing surface.

[0034] In one embodiment, the support and fixing assembly 600 includes a bearing seat 610 and a plurality of rubber rings. The bearing seat 610 is fixed to the bottom of the third rotating shaft 510 by a third bearing 620. The outer side of the bearing seat 610 is provided with a plurality of mounting grooves 630, and the plurality of rubber rings are sequentially fitted onto the mounting grooves 630. Specifically, the bearing housing 610 is a cylindrical structure with a central opening. A vertically arranged third bearing 620, which is a needle roller bearing, is fixedly connected to the middle of the bearing housing 610. The third bearing 620 is sleeved on the bottom of the third rotating shaft 510, thus connecting the bearing housing 610 and the third rotating shaft 510. Multiple mounting grooves 630 are arranged sequentially from top to bottom on the outer wall of the bearing housing 610. The rubber ring is placed in the mounting groove 630. The grinding machine is fixed by inserting the bearing housing 610 into the flange tube. The bearing housing 610 and the flange tube are coaxially arranged to ensure that the central axis of the grinding disc 520 is completely coincident with the central axis of the tube body, thus avoiding damage to the taper of the conical sealing surface during grinding. By setting the rubber ring on the outer wall of the bearing housing 610, the friction between the support and fixing component 600 and the inner tube of the flange tube can be increased, improving the stability of the grinding machine fixed on the flange sealing surface and improving the grinding effect.

[0035] In one embodiment, a mounting base 700 for fixing the drive component is further included. The mounting base 700 has a connecting through hole 710 in its middle portion, connecting the upper and lower surfaces of the mounting base 700. The mounting base 700 is fixed above the first mounting portion, and the connecting through hole 710 is coaxially arranged with the first rotating shaft 200. Specifically, the mounting base 700 is fixed on the upper surface of the housing 100 on the same side as the first rotating shaft 200. The connecting through hole 710 in the middle portion of the mounting base 700 is coaxially arranged with the first rotating shaft 200. The drive component is fixed by the mounting base 700, and the output end of the drive component passes through the connecting through hole 710 and connects to the upper end of the first rotating shaft 200. The drive component is a self-powered electric drill or hand grinder. The drive component does not require an external power supply, which can avoid sparks and improve the safety of operation in special working environments such as petrochemical plants. In this embodiment, the driving component is an electric drill. The electric drill drives the first rotating shaft 200, the second rotating shaft 300, the third rotating shaft 510 and the grinding disc 520 to rotate synchronously, so that the grinding disc 520 rotates to grind the sealing surface.

[0036] The general workflow of this utility model is as follows: Select a suitable size support and fixing component 600 and grinding disc 520 according to the pipe diameter of the flange. After assembling the explosion-proof lens flange sealing surface grinding machine 10 of this utility model, insert the support and fixing component 600 into the flange to keep the grinding surface and the flange sealing surface coaxial and parallel. Fix the drive component to the fixing base 700 and connect the output end of the drive component to the first rotating shaft 200. After the preparation is completed, the power supply of the drive component can be turned on. Under the action of the drive component and the transmission component 400, the first rotating shaft 200 and the second rotating shaft 300 rotate synchronously. At this time, the third rotating shaft 510 connected to the second rotating shaft 300 and the grinding disc 520 fixed on the third rotating shaft 510 will also rotate together, so that the grinding disc 520 grinds the flange sealing surface. During the grinding process, you can hold the hand grip on the housing 100 to apply pressure to the grinding component 500 so that the grinding surface of the grinding disc 520 can always be in contact with the flange sealing surface, thereby improving the grinding efficiency. This utility model has the advantages of being lightweight, easy to disassemble, and safe and reliable to operate. It can greatly improve work efficiency, repair flange sealing surfaces on-site, and save labor costs, transportation costs, and time costs.

[0037] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A grinding machine for the sealing surface of an explosion-proof lens flange, characterized in that, include: Housing, transmission components, drive components, grinding components, and support and fixing components; The housing has a transmission chamber inside, and the two ends of the transmission chamber are respectively provided with a first rotating shaft and a second rotating shaft that are rotatably connected to the housing; the transmission assembly includes a driving pulley sleeved on the first rotating shaft, a driven pulley sleeved on the second rotating shaft, and a synchronous belt encircling the driving pulley and the driven pulley; the driving component is connected to the first rotating shaft and is used to drive the first rotating shaft to rotate; the grinding assembly includes a third rotating shaft and a grinding disc, the upper end of the third rotating shaft is connected to the bottom of the second rotating shaft, and the grinding disc is sleeved on the upper part of the third rotating shaft; the support and fixing assembly is sleeved on the lower part of the third rotating shaft and is used to fix the grinding machine on the flange sealing surface.

2. The explosion-proof lens flange sealing surface grinding machine according to claim 1, characterized in that, The housing includes an upper body and a lower end cover. The lower end face of the upper body is provided with a transmission groove. The lower end cover covers the lower part of the upper body. The upper body and the lower end cover enclose a transmission chamber for accommodating the transmission component. The housing at both ends of the transmission chamber is provided with a first mounting part and a second mounting part, respectively. The upper end of the first mounting part is connected to the upper end face of the upper body, and the bottom of the second mounting part is connected to the lower end face of the lower end cover.

3. The explosion-proof lens flange sealing surface grinding machine according to claim 2, characterized in that, The first rotating shaft is mounted on the first mounting part, and the upper end of the first rotating shaft extends to the top of the housing; a first snap-fit ​​protrusion is provided in the middle of the side wall of the first rotating shaft, and the first snap-fit ​​protrusion is located in the transmission cavity; the first rotating shaft is connected to the upper body and the lower end cover through the first bearing.

4. The explosion-proof lens flange sealing surface grinding machine according to claim 3, characterized in that, The second rotating shaft is mounted on the second mounting part, and the bottom of the second rotating shaft extends to the bottom of the lower end cover; the side wall of the second rotating shaft is provided with a second locking protrusion and a third locking protrusion, the second locking protrusion is located in the transmission chamber and is parallel to the first locking protrusion; the third locking protrusion is located below the lower end cover; the second rotating shaft is connected to the upper body and the lower end cover through a second bearing.

5. The explosion-proof lens flange sealing surface grinding machine according to claim 3, characterized in that, The inner ring sidewall of the drive pulley is provided with a first snap-fit ​​groove, which snaps into the first snap-fit ​​protrusion.

6. The explosion-proof lens flange sealing surface grinding machine according to claim 4, characterized in that, The inner ring sidewall of the driven pulley is provided with a second snap-fit ​​groove, which snaps into the second snap-fit ​​protrusion.

7. The explosion-proof lens flange sealing surface grinding machine according to claim 4, characterized in that, The upper end face of the third rotating shaft is provided with a downwardly recessed third snap-fit ​​groove and a magnet mounting part located below the third snap-fit ​​groove. The third snap-fit ​​groove is engaged with the third snap-fit ​​protrusion, and a magnet is fixed inside the magnet mounting part. A fourth snap-fit ​​protrusion is provided on the side wall of the third rotating shaft.

8. The explosion-proof lens flange sealing surface grinding machine according to claim 7, characterized in that, The inner ring sidewall of the grinding disc is provided with a fourth locking groove, which engages with the fourth locking protrusion.

9. The explosion-proof lens flange sealing surface grinding machine according to claim 1, characterized in that, The support and fixing assembly includes a bearing housing and multiple rubber rings. The bearing housing is fixed to the bottom of the third rotating shaft by a third bearing. Multiple mounting grooves are provided on the outer side of the bearing housing, and the multiple rubber rings are sequentially fitted onto the mounting grooves.

10. The explosion-proof lens flange sealing surface grinding machine according to claim 1, characterized in that, It also includes a mounting base for fixing the drive component. The mounting base has a connecting through hole in the middle that connects the upper and lower surfaces of the mounting base. The mounting base is fixed above the first mounting part, and the connecting through hole is coaxial with the first rotating shaft.

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