Polishing device for inner surface of diffusion pump shell

Abstract

The utility model discloses a polishing device for the inner surface of a diffusion pump shell. The polishing device comprises a mounting mechanism and a polishing mechanism. The mounting mechanism is used for mounting the diffusion pump shell and comprises a guide rail, a sliding table, a moving module, a rolling wheel set and a rolling motor, the moving module is used for driving the sliding table to move along the guide rail, the rolling wheel set is arranged on the sliding table and used for rolling, abutting and mounting the diffusion pump shell, and the rolling motor drives the rolling wheel set to rotate so as to drive the diffusion pump shell to rotate; the polishing mechanism is arranged at one end of the guide rail and comprises a lifting assembly and a polishing assembly, the polishing assembly is installed on the lifting assembly, the lifting assembly is used for driving the polishing assembly to ascend and descend, the polishing assembly comprises a cantilever, a polishing wheel set and a grinding motor, the cantilever is arranged in the opening direction of the diffusion pump shell, and the grinding motor is installed at the front end of the cantilever. The polishing motor is provided with the polishing wheel set for polishing the inner surface of the diffusion pump shell. Therefore, the inner surface of the diffusion pump shell can be automatically polished, the labor intensity is reduced, and the machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of diffusion pump processing equipment, in particular to a device for polishing the inner surface of a diffusion pump shell. Background Art

[0002] Vacuum furnace smelting requires vacuum, and diffusion pumps are indispensable equipment for improving vacuum. The outer shell of the diffusion pump is barrel-shaped, and the inner surface of the diffusion pump outer shell needs to be polished during the processing. The traditional method uses manual handheld polishing and grinding equipment to drill into the diffusion pump outer shell for polishing, which is labor-intensive, low processing efficiency, and the dust generated has adverse effects on workers' health. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a device for polishing the inner surface of a diffusion pump housing, which can automatically polish the inner surface of the diffusion pump housing, reduce labor intensity, and improve processing efficiency.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A device for polishing the inner surface of a diffusion pump housing, comprising:

[0006] The mounting mechanism is used to mount the diffusion pump housing, and includes a guide rail, a slide, a moving module, a rolling wheel group, and a rolling motor. The slide is arranged on the guide rail, the moving module is used to drive the slide to move along the guide rail, the rolling wheel group is arranged on the slide to roll and abut to mount the diffusion pump housing, and the rolling motor drives the rolling wheel group to rotate, thereby driving the diffusion pump housing to rotate;

[0007] The polishing mechanism is arranged at one end of the guide rail, and includes a lifting assembly and a polishing assembly. The polishing assembly is installed on the lifting assembly, and the lifting assembly is used to drive the polishing assembly to lift and lower. The polishing assembly includes a cantilever, a polishing wheel group and a polishing motor. The cantilever is arranged toward the opening direction of the diffusion pump housing, and the polishing motor is installed at the front end of the cantilever. The polishing motor is installed with the polishing wheel group for polishing the inner surface of the diffusion pump housing.

[0008] According to the embodiment of the utility model, a device for polishing the inner surface of a diffusion pump housing has at least the following beneficial effects: when working, the rolling motor drives the rolling wheel group to rotate, thereby driving the diffusion pump housing to rotate, the moving module is used to drive the slide to move along the guide rail to one side of the polishing mechanism, so that the polishing assembly enters the opening of the diffusion pump housing, the lifting assembly drives the polishing assembly to descend, so that the polishing motor of the polishing assembly is pressed to the bottom of the inner surface of the diffusion pump housing, and at the same time, the polishing motor drives the polishing wheel group to rotate to polish the inner surface of the diffusion pump housing, and after polishing a circle, the moving module continues to drive the slide to move slowly along the guide rail toward the polishing mechanism until the polishing of the inner surface of the diffusion pump housing is completed. Therefore, it is possible to automatically polish the inner surface of the diffusion pump housing, reduce labor intensity, and improve processing efficiency.

[0009] According to some embodiments of the utility model, the guide rail is a double-rail arrangement, and wheels cooperating with the guide rail are provided on both sides of the slide.

[0010] Advantageously, the guide rails are arranged as double rails, which is conducive to the slide being stably mounted on the guide rails through wheels for movement.

[0011] According to some embodiments of the utility model, the mobile module includes a first transmission chain and a transmission motor, the first transmission chain is arranged along the guide rail, the slide is fixedly connected to the first transmission chain, and the transmission motor is arranged at one end of the guide rail to drive the first transmission chain to move.

[0012] Advantageously, the moving module drives the first transmission chain to move via the transmission motor, thereby driving the slide table to move along the guide rail, so that the diffusion pump housing is brought close to the polishing mechanism for polishing.

[0013] According to some embodiments of the present invention, the first transmission chain is connected to the bottom of the slide.

[0014] Advantageously, such an arrangement is conducive to the first transmission chain driving the slide to move, and is also conducive to installing a rolling wheel set above the slide.

[0015] According to some embodiments of the utility model, the rolling wheel group includes a driving wheel and a driven wheel, the driving wheel is provided with two respectively arranged on both sides of the top surface of the slide, the driven wheel is provided with two respectively arranged with intervals from the driving wheel, the driving wheel and the driven wheel on both sides respectively abut against both sides of the lower part of the diffusion pump casing, and the driving wheel is connected to the rolling motor.

[0016] Advantageously, the rolling motor is arranged in this way to drive the driving wheel to rotate, thereby driving the diffusion pump housing to rotate, and the driven wheel rotates with the diffusion pump housing to play a role of rolling support.

[0017] According to some embodiments of the utility model, the rolling wheel set also includes a second transmission chain, which is sleeved on the ends of the two driving wheels, and the rolling motor is arranged between the two driving wheels to drive the second transmission chain to move.

[0018] Advantageously, the rolling motor drives the two driving wheels to rotate through the second transmission chain, thereby driving the diffusion pump housing to rotate.

[0019] According to some embodiments of the utility model, the lifting assembly includes a guide rod, a top plate, a lifting plate and a lifting motor, the guide rods are provided with four, the top plate is arranged at the top end of the guide rods, the lifting plate is sleeved on the guide rods, the cantilever is installed on the lifting plate, and the lifting motor is arranged on the bottom surface of the top plate to drive the lifting plate to rise and fall.

[0020] Advantageously, the lifting assembly drives the lifting plate to move up and down along the guide rod through the lifting motor, and the structure is stable and easy to control.

[0021] According to some embodiments of the utility model, the guide rod is a threaded rod, bearings and sprockets are provided at the installation positions of the lifting plate and the guide rail, the lifting plate is fixedly connected to the outer side of the bearing, the sprocket is threadedly connected to the guide rod and fixedly connected to the inner side of the bearing, and the lifting motor is provided with a third transmission chain to drive the sprocket to rotate in the same direction, thereby driving the lifting plate to rise and fall.

[0022] The benefit is that: the lifting motor is arranged in this way to drive the sprocket to rotate through the third transmission chain, so that the sprocket is lifted and lowered along the guide rail, thereby driving the lifting plate and the cantilever to be lifted and lowered along the guide rod to be adjusted to a suitable height, so that the polishing wheel group polishes the inner surface of the diffusion pump housing at a suitable height.

[0023] According to some embodiments of the utility model, the polishing wheel group includes a first mounting plate installed at the front end of the cantilever, a second mounting plate located below the first mounting plate and connected to the first mounting plate at a certain angle, a rotating wheel is provided at the connection between the first mounting plate and the second mounting plate, the grinding motor is installed at the other end of the first mounting plate, and a grinding wheel is provided at the lower end of the second mounting plate, and the grinding motor and the rotating wheel, as well as the rotating wheel and the grinding wheel are all connected and driven by belts.

[0024] Advantageously, the grinding motor drives the grinding wheel to rotate via the rotating wheel and the belt, and the second mounting plate is arranged below the first mounting plate and installed at a certain angle, which is conducive to the grinding wheel being pressed down to the bottom surface of the inner surface of the diffusion pump housing for grinding.

[0025] According to some embodiments of the present invention, the grinding wheel is a fiber polishing wheel.

[0026] The advantage is that the fiber polishing wheel has the advantages of wear resistance and heat resistance, and is suitable for grinding and polishing on metal surfaces.

[0027] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0029] Figure 1 A schematic diagram of an embodiment of the utility model;

[0030] Figure 2 for Figure 1 Left side view of the mounting mechanism;

[0031] Figure 3 for Figure 1 Left side view of the polishing assembly.

[0032] Figure numerals: guide rail 100, slide 110, rolling motor 120, cantilever 130, grinding motor 140, wheel 150, first transmission chain 160, transmission motor 170, driving wheel 180, driven wheel 190, second transmission chain 200, guide rod 210, top plate 220, lifting plate 230, lifting motor 240, sprocket 250, third transmission chain 260, first mounting plate 270, second mounting plate 280, rotating wheel 290. DETAILED DESCRIPTION

[0033] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0034] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention 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 a limitation on the present invention.

[0035] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0036] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0037] Reference below Figure 1-Figure 3 A device for polishing the inner surface of a diffusion pump housing is described in detail with a specific embodiment. It is worth noting that the following description is only an exemplary description and not a specific limitation of the utility model.

[0038] like Figure 1-Figure 3 As shown, a device for polishing the inner surface of a diffusion pump housing includes a mounting mechanism and a polishing mechanism.

[0039] Among them, the installation mechanism is used to install the diffusion pump housing, including a guide rail 100, a slide 110, a moving module, a rolling wheel group and a rolling motor 120. The slide 110 is arranged on the guide rail 100, and the moving module is used to drive the slide 110 to move along the guide rail 100. The rolling wheel group is arranged on the slide 110 for rolling and abutting to install the diffusion pump housing. The rolling motor 120 drives the rolling wheel group to rotate, thereby driving the diffusion pump housing to rotate; the polishing mechanism is arranged at one end of the guide rail 100, including a lifting component and a polishing component. The polishing component is installed on the lifting component, and the lifting component is used to drive the polishing component to lift and lower. The polishing component includes a cantilever 130, a polishing wheel group and a polishing motor 140. The cantilever 130 is arranged toward the opening direction of the diffusion pump housing, and the polishing motor 140 is installed at the front end of the cantilever 130. The polishing motor 140 is installed with a polishing wheel group for polishing the inner surface of the diffusion pump housing. During operation, the rolling motor 120 drives the rolling wheel group to rotate, thereby driving the diffusion pump housing to rotate. The moving module is used to drive the slide 110 to move along the guide rail 100 to one side of the polishing mechanism, so that the polishing assembly enters the opening of the diffusion pump housing. The lifting assembly drives the polishing assembly to descend, so that the polishing motor 140 of the polishing assembly presses below the inner surface of the diffusion pump housing. At the same time, the polishing motor 140 drives the polishing wheel group to rotate to polish the inner surface of the diffusion pump housing. After polishing a circle, the moving module continues to drive the slide 110 to move slowly along the guide rail 100 toward the polishing mechanism until the polishing of the inner surface of the diffusion pump housing is completed. Therefore, it is possible to automatically polish the inner surface of the diffusion pump housing, reduce labor intensity, and improve processing efficiency.

[0040] Specifically, if Figure 2 As shown, the guide rail 100 is a double-track arrangement, and wheels 150 are provided on both sides of the slide 110 to cooperate with the guide rail 100. The guide rail 100 is arranged as a double-track arrangement, which is conducive to the slide 110 being stably mounted on the guide rail 100 through the wheels 150 for movement.

[0041] like Figure 1 As shown, the mobile module includes a first transmission chain 160 and a transmission motor 170, the first transmission chain 160 is arranged along the guide rail 100, the slide 110 is fixedly connected to the first transmission chain 160, and the transmission motor 170 is arranged at one end of the guide rail 100 for driving the first transmission chain 160 to move. The mobile module drives the first transmission chain 160 to move through the transmission motor 170, thereby driving the slide 110 to move along the guide rail 100, so that the diffusion pump housing is polished close to the polishing mechanism. Moreover, the first transmission chain 160 is connected to the bottom of the slide 110. Such an arrangement is conducive to the first transmission chain 160 driving the slide 110 to move, and is also conducive to installing a rolling wheel group above the slide 110.

[0042] like Figure 1 and Figure 2 As shown, the rolling wheel group includes a driving wheel 180 and a driven wheel 190, the driving wheel 180 is provided with two respectively arranged on both sides of the top surface of the slide 110, and the driven wheel 190 is provided with two respectively spaced apart from the driving wheel 180, the driving wheels 180 and the driven wheels 190 on both sides respectively abut the lower sides of the diffusion pump housing, and the driving wheel 180 is connected to the rolling motor 120. The rolling motor 120 is arranged in this way to drive the driving wheel 180 to rotate, thereby driving the diffusion pump housing to rotate, and the driven wheel 190 follows the diffusion pump housing to rotate and plays the role of rolling support. Specifically, the rolling wheel group also includes a second transmission chain 200, the second transmission chain 200 is sleeved on the ends of the two driving wheels 180, and the rolling motor 120 is arranged between the two driving wheels 180 to drive the second transmission chain 200 to move. The rolling motor 120 drives the two driving wheels 180 to rotate through the second transmission chain 200, thereby driving the diffusion pump housing to rotate.

[0043] like Figure 1As shown, the lifting assembly includes a guide rod 210, a top plate 220, a lifting plate 230 and a lifting motor 240. The guide rod 210 is provided with four, the top plate 220 is arranged at the top of the guide rod 210, the lifting plate 230 is sleeved on the guide rod 210, the cantilever 130 is installed on the lifting plate 230, and the lifting motor 240 is arranged on the bottom surface of the top plate 220 to drive the lifting plate 230 to move up and down. The lifting assembly drives the lifting plate 230 to move up and down along the guide rod 210 through the lifting motor 240, and the structure is stable and easy to control. Specifically, the guide rod 210 is a threaded rod, and the installation position of the lifting plate 230 and the guide rail 100 is provided with a bearing and a sprocket 250, the lifting plate 230 is fixedly connected to the outer side of the bearing, the sprocket 250 is threadedly connected to the guide rod 210 and is fixedly connected to the inner side of the bearing, and the lifting motor 240 is provided with a third transmission chain 260 to drive the sprocket 250 to rotate in the same direction, thereby driving the lifting plate 230 to move up and down. The lifting motor 240 is arranged in this way to drive the sprocket 250 to rotate through the third transmission chain 260, so that the sprocket 250 is lifted and lowered along the guide rail 100, thereby driving the lifting plate 230 and the cantilever 130 to be lifted and lowered along the guide rod 210 to be adjusted to a suitable height, so that the polishing wheel group polishes the inner surface of the diffusion pump housing at a suitable height.

[0044] like Figure 1 and Figure 3 As shown, the polishing wheel set includes a first mounting plate 270 mounted on the front end of the cantilever 130, a second mounting plate 280 located below the first mounting plate 270 and connected to the first mounting plate 270 at a certain angle, a rotating wheel 290 is provided at the connection between the first mounting plate 270 and the second mounting plate 280, a grinding motor 140 is installed at the other end of the first mounting plate 270, a grinding wheel 300 is provided at the lower end of the second mounting plate 280, and the grinding motor 140 and the rotating wheel 290, and the rotating wheel 290 and the grinding wheel 300 are all connected and driven by belts. In this way, the grinding motor 140 drives the grinding wheel 300 to rotate through the rotating wheel 290 and the belt, and the second mounting plate 280 is arranged below the first mounting plate 270 and installed at a certain angle, which is conducive to the grinding wheel 300 descending to the bottom surface of the inner surface of the diffusion pump housing for grinding.

[0045] It should be noted that the grinding wheel 300 is a fiber polishing wheel. The fiber polishing wheel has the advantages of wear resistance and heat resistance, and is suitable for grinding and polishing on metal surfaces.

[0046] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A device for polishing the inner surface of a diffusion pump housing, characterized in that: include: A mounting mechanism, used for mounting a diffusion pump housing, comprising a guide rail (100), a slide (110), a moving module, a rolling wheel group and a rolling motor (120), wherein the slide (110) is arranged on the guide rail (100), the moving module is used for driving the slide (110) to move along the guide rail (100), the rolling wheel group is arranged on the slide (110) and is used for rolling and abutting the diffusion pump housing, and the rolling motor (120) drives the rolling wheel group to rotate, thereby driving the diffusion pump housing to rotate; The polishing mechanism is arranged at one end of the guide rail (100), and comprises a lifting assembly and a polishing assembly. The polishing assembly is mounted on the lifting assembly, and the lifting assembly is used to drive the polishing assembly to lift and lower. The polishing assembly comprises a cantilever (130), a polishing wheel group and a polishing motor (140). The cantilever (130) is arranged toward the opening direction of the diffusion pump housing, and the polishing motor (140) is mounted at the front end of the cantilever (130). The polishing wheel group is mounted on the polishing motor (140) to polish the inner surface of the diffusion pump housing.

2. The device for polishing the inner surface of a diffusion pump housing according to claim 1, characterized in that: The guide rail (100) is a double-rail arrangement, and wheels (150) cooperating with the guide rail (100) are arranged on both sides of the slide (110).

3. The device for polishing the inner surface of a diffusion pump housing according to claim 2, characterized in that: The moving module comprises a first transmission chain (160) and a transmission motor (170); the first transmission chain (160) is arranged along the guide rail (100); the slide table (110) is fixedly connected to the first transmission chain (160); and the transmission motor (170) is arranged at one end of the guide rail (100) to drive the first transmission chain (160) to move.

4. The device for polishing the inner surface of a diffusion pump housing according to claim 3, characterized in that: The first transmission chain (160) is connected to the bottom of the slide table (110).

5. The device for polishing the inner surface of a diffusion pump housing according to claim 1, characterized in that: The rolling wheel group comprises a driving wheel (180) and a driven wheel (190), the driving wheel (180) being provided with two wheels respectively arranged on two sides of the top surface of the slide table (110), and the driven wheel (190) being provided with two wheels respectively arranged at intervals from the driving wheel (180), the driving wheel (180) and the driven wheel (190) on both sides respectively abutting against two sides of the lower part of the diffusion pump housing, and the driving wheel (180) being connected to the rolling motor (120).

6. The device for polishing the inner surface of a diffusion pump housing according to claim 5, characterized in that: The rolling wheel assembly further comprises a second transmission chain (200), the second transmission chain (200) being sleeved on the ends of the two driving wheels (180), and the rolling motor (120) being arranged between the two driving wheels (180) to drive the second transmission chain (200) to move.

7. The device for polishing the inner surface of a diffusion pump housing according to claim 1, characterized in that: The lifting assembly comprises a guide rod (210), a top plate (220), a lifting plate (230) and a lifting motor (240); the guide rod (210) is provided with four, the top plate (220) is arranged on the top of the guide rod (210), the lifting plate (230) is sleeved on the guide rod (210), the cantilever (130) is installed on the lifting plate (230), and the lifting motor (240) is arranged on the bottom surface of the top plate (220) to drive the lifting plate (230) to rise and fall.

8. The device for polishing the inner surface of a diffusion pump housing according to claim 7, characterized in that: The guide rod (210) is a threaded rod. A bearing and a sprocket (250) are provided at the installation position of the lifting plate (230) and the guide rail (100). The lifting plate (230) is fixedly connected to the outer side of the bearing. The sprocket (250) is threadedly connected to the guide rod (210) and fixedly connected to the inner side of the bearing. The lifting motor (240) is provided with a third transmission chain (260) to drive the sprocket (250) to rotate in the same direction, thereby driving the lifting plate (230) to move up and down.

9. The device for polishing the inner surface of a diffusion pump housing according to claim 1, characterized in that: The polishing wheel assembly comprises a first mounting plate (270) mounted on the front end of the cantilever (130), and a second mounting plate (280) located below the first mounting plate (270) and connected to the first mounting plate (270) at a certain angle, a rotating wheel (290) being provided at the connection between the first mounting plate (270) and the second mounting plate (280), the polishing motor (140) being mounted on the other end of the first mounting plate (270), and a polishing wheel (300) being provided at the lower end of the second mounting plate (280), and the polishing motor (140) and the rotating wheel (290), as well as the rotating wheel (290) and the polishing wheel (300) being connected and driven by belts.

10. The device for polishing the inner surface of a diffusion pump housing according to claim 9, characterized in that: The grinding wheel (300) is a fiber polishing wheel.

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