CN218137196U

CN218137196U - Polishing device for inner wall of gas cylinder

Info

Publication number: CN218137196U
Application number: CN202222487507.7U
Authority: CN
Inventors: 韦干毅; 郭增; 周国涛; 李司朋; 朱明辉; 毛李阳
Original assignee: Henan Yuanzheng Special Gas Co ltd
Current assignee: Henan Yuanzheng Special Gas Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2022-12-27
Anticipated expiration: 2032-09-20

Abstract

The utility model discloses a polishing device for the inner wall of a gas cylinder, which comprises a guide rail, a feeding trolley and a polishing trolley, wherein the polishing trolley is provided with a movable locking device; a feeding motor is fixedly installed at the first end of the guide rail, and a rotating shaft of the feeding motor is horizontally and fixedly connected with a feeding screw rod; a feeding nut matched with the feeding screw rod is arranged on the feeding trolley, a first V-shaped frame and a second V-shaped frame are vertically arranged on the feeding trolley, an L-shaped baffle plate is arranged on the first V-shaped frame, and a transverse plate of the baffle plate faces to the center of the first V-shaped frame and is positioned between the first V-shaped frame and the feeding motor; a grinding motor is fixed on a working platform of the polishing trolley, and a rotating shaft of the grinding motor is horizontally fixed with a rotating rod bushing; the end of the rotary rod is fixed with a polishing strip. The utility model discloses a burnishing device of gas cylinder inner wall makes the all-round polishing that obtains of inner wall of gas cylinder, and polishing effect is good, satisfies the requirement of special gaseous splendid attire.

Description

Polishing device for inner wall of gas cylinder

Technical Field

The utility model belongs to the technical field of the gas cylinder inner wall is handled, especially, relate to a burnishing device of gas cylinder inner wall.

Background

In the gas industry, special gases such as ultrapure gas, electronic gas, standard gas and the like have extremely high requirements on the smoothness of the inner wall of the gas cylinder, the inner wall of a common gas cylinder is relatively rough, and the smoothness cannot meet the containing requirements of the special gases.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the polishing device for the inner wall of the gas cylinder is capable of polishing the inner wall of a common gas cylinder and meeting the requirement of containing special gas.

The technical scheme of the utility model is that:

a polishing device for the inner wall of a gas cylinder comprises a guide rail, a feeding trolley and a polishing trolley, wherein the feeding trolley and the polishing trolley are slidably mounted on the guide rail, and a movable locking device is arranged on the polishing trolley; a feeding motor is fixedly installed at the first end of the guide rail, and a rotating shaft of the feeding motor is horizontally and fixedly connected with a feeding screw rod; the feeding trolley is provided with a feeding nut matched and connected with the feeding screw rod, a first V-shaped frame and a second V-shaped frame which are identical in structure are vertically arranged on the feeding trolley, inclined planes on the same side of the first V-shaped frame and the second V-shaped frame are in the same plane, and the first V-shaped frame and the second V-shaped frame are arranged at the same height; the first V-shaped frame is close to the feeding motor, an L-shaped baffle is arranged on the first V-shaped frame and comprises a vertical rod and a transverse plate, and the transverse plate faces to the center of the first V-shaped frame and is positioned between the first V-shaped frame and the feeding motor; a working platform is installed on the polishing trolley, a grinding motor is fixed on the working platform, a rotating shaft of the grinding motor is horizontally and fixedly connected with a rotating rod, the rotating rod is a straight rod, and the axis of the rotating rod and the symmetry axis of the first V-shaped frame and the second V-shaped frame are on the same plane; a polishing strip is fixed at the end part of the rotating rod; and a rotating rod lining is sleeved on the rotating rod in a clearance fit manner, and an external thread matched with the opening of the gas cylinder is arranged on the rotating rod lining.

Preferably, the working platform is provided with a rotating rod support for supporting the rotating rod, a rotating rod bearing is arranged on the rotating rod support, and the rotating rod is rotatably connected with the rotating rod support through the rotating rod bearing.

Preferably, the total length of the swing rod is 1.2-1.8m, and the length of the swing rod which is suspended outside the swing rod bracket is 0.9-1.5m.

Preferably, the working platform is a liftable platform.

Preferably, a front cross beam and a rear cross beam are fixed on the polishing trolley, a support bearing is fixedly arranged in the middle of the front cross beam in a penetrating manner, and a lifting screw rod is fixed in the support bearing; a lifting nut is fixedly arranged on the working platform in a penetrating manner, and the upper end of the lifting screw rod is in threaded connection with the lifting nut; lifting guide shaft lower sleeves are fixed at two ends of the front cross beam and two ends of the rear cross beam respectively, and lifting guide shafts are fixed in the lifting guide shaft lower sleeves; four guide shaft upper sleeves are fixed on the working platform, the four lifting guide shafts are respectively arranged in the four guide shaft upper sleeves in a clearance fit manner, screw holes are formed in the guide shaft upper sleeves, and the screw holes are used for installing locking screws to fasten the lifting guide shafts.

Preferably, a positioning sleeve is fixed on the side edge of the first V-shaped frame, and the vertical rod is inserted into the positioning sleeve in a clearance fit manner; the positioning sleeve is provided with a locking screw hole which is used for fixing the vertical rod through a screw; scales are arranged on the vertical rod.

Preferably, the guide rail is a triangular guide rail, and the wheels of the feeding trolley and the polishing trolley are V-shaped wheels.

Preferably, a bottom plate is supported below the guide rail, and a stopper is fixed to the second end of the guide rail.

Preferably, the locking device comprises an optical axis and a locking sleeve, the locking sleeve is arranged on a bottom plate supporting the end part of the second end of the guide rail, and the top of the locking sleeve is in a cylindrical shape with two through ends; the optical axis is fixed on the polishing trolley, the optical axis is slidably arranged in the locking sleeve in a penetrating mode, a screw hole is formed in the locking sleeve, and the screw hole is used for being screwed into a screw to fix the optical axis.

The utility model has the advantages that:

the utility model discloses a burnishing device of gas cylinder inner wall can polish the gas cylinder when advancing, makes the all-round polishing that obtains of inner wall of gas cylinder, and polishing effect is good, satisfies the requirement of special gaseous splendid attire, and easy operation.

Drawings

Fig. 1 is the perspective structure schematic diagram of the polishing device for the inner wall of the gas cylinder of the utility model.

Fig. 2 is a front view of a ready state after the novel polishing device for the inner wall of the gas cylinder is installed with the gas cylinder to be polished.

Fig. 3 is a front view of the novel polishing device for the inner wall of the gas cylinder in a polishing state.

In the figure:

1. a guide rail; 2. Feeding a trolley; 21. a feed nut; 22. a feed screw; 23. a first V-shaped frame; 24. a second V-shaped frame; 25. positioning the sleeve; 3. polishing a trolley; 31. a front cross member; 32. a support bearing; 33. lifting a screw rod; 34. a lifting nut; 35. a lifting guide shaft; 36. a guide shaft lower sleeve; 37. a locking sleeve; 38. an optical axis; 39. a rear cross member; 4. grinding the motor; 5. A base plate; 6. a baffle plate; 61. a vertical rod 62 and a transverse plate; 7. a stopper; 8. a working platform; 81. a swing arm support; 82. a swing rod bearing; 83. a sleeve is arranged on the guide shaft; 9. a feed motor; 10. rotating the rod; 11. a screw rod bushing; 12. polishing the strip; 13. a gas cylinder.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 is the utility model discloses a burnishing device of gas cylinder inner wall's spatial structure sketch map, fig. 2 is this with the burnishing device of novel gas cylinder inner wall install the ready state's after waiting to polish the gas cylinder main view, fig. 3 is this with the burnishing device of novel gas cylinder inner wall at the main view of polishing state.

As shown in fig. 1, the polishing device for the inner wall of the gas cylinder of the present invention comprises a guide rail 1, a feeding trolley 2 and a polishing trolley 3, wherein the feeding trolley 2 and the polishing trolley 3 are slidably mounted on the guide rail 1, and a movable locking device is arranged on the polishing trolley 3; a feeding motor 9 is fixedly installed at the first end of the guide rail 1, and a rotating shaft of the feeding motor 9 is horizontally and fixedly connected with a feeding screw 22; the feeding trolley 2 is provided with a feeding nut 21 matched and connected with the feeding screw rod 22, the feeding trolley 2 is vertically provided with a first V-shaped frame 23 and a second V-shaped frame 24 which have the same structure, the inclined planes on the same side of the first V-shaped frame 23 and the second V-shaped frame 24 are positioned in a plane, and the first V-shaped frame 23 and the second V-shaped frame 24 are arranged at the same height; the first V-shaped frame 23 is close to the feeding motor 9, an L-shaped baffle plate 6 is arranged on the first V-shaped frame 23, the baffle plate 6 comprises a vertical rod 61 and a horizontal plate 62, and the horizontal plate 62 faces to the center of the first V-shaped frame 23 and is positioned between the first V-shaped frame 23 and the feeding motor 9; a working platform 8 is installed on the polishing trolley 3, a grinding motor 4 is fixed on the working platform 8, a rotating shaft of the grinding motor 4 is horizontally and fixedly connected with a rotating rod 10, the rotating rod 10 is a straight rod, and the axis of the rotating rod 10 and the symmetry axis of the first V-shaped frame 23 and the second V-shaped frame 24 are on the same plane; a polishing strip 12 is fixed at the end part of the rotating rod 10; a rotating rod lining 11 is sleeved on the rotating rod 10 in a clearance fit mode, and external threads matched with the opening of the gas cylinder 13 are arranged on the rotating rod lining 11.

The working principle is as follows:

when the gas cylinder needs to be polished, polishing solution is added into the gas cylinder 13, the polishing solution is prepared from micro-particle brown corundum or other grinding materials and water in proportion, the granularity of the grinding materials directly influences the roughness of the inner wall polishing of the gas cylinder 13, and the adding amount of the polishing solution accounts for 15-25% of the volume of the gas cylinder. As shown in fig. 2, the gas cylinder 13 is laid flat on the first V-shaped frame 23 and the second V-shaped frame 24 with the mouth facing the rotary rod 10 and the bottom abutting against the cross plate 62. The polishing trolley 3 is moved to enable the polishing trolley 3 to be close to the gas cylinder 13 on the guide rail 1 until the end part of the rotary rod 10 penetrates from the bottle opening of the gas cylinder 13, then the rotary rod bushing 11 is fixed with the bottle opening of the gas cylinder 13 in a threaded connection mode, the rotary rod bushing 11 supports the rotary rod 10 in the bottle opening of the gas cylinder 13 in a rotatable mode, and friction between the rotary rod 10 and the bottle opening of the gas cylinder 13 in the rotating process is prevented. And locking the movable locking device on the polishing trolley 3 to fix the position of the polishing trolley 3. The grinding motor 4 and the feeding motor 9 are started, the grinding motor 4 rotates to drive the rotary rod 10 to rotate, the polishing strip 12 fixed to the end portion of the rotary rod 10 rotates inside the gas cylinder 13, and the polishing strip 12 is adhered with polishing liquid to polish the inner wall of the gas cylinder 13. The rotation of the feed motor 9 drives the feed screw 22 to rotate, the feed nut 21 matched with the feed screw 22 drives the feed trolley 2 fixed with the feed screw to gradually move towards the polishing trolley 3 on the guide rail 1, the gas cylinder 13 also moves towards the polishing trolley 3, and in the moving process, the polishing strip 12 rotates inside the gas cylinder 13 and moves towards the bottom of the gas cylinder at the same time, so that the inner wall of the gas cylinder is polished comprehensively one by one. The transverse plate 62 of the baffle 6 on the first V-shaped frame 23 abuts against the bottom of the gas cylinder 13, and the gas cylinder 13 is prevented from sliding on the first V-shaped frame 23 and the second V-shaped frame 24 during polishing. For the gas cylinder with a rougher inner wall, the feeding trolley 2 can also move on the guide rail 1 in a reciprocating manner so as to polish the inner wall of the gas cylinder 13 repeatedly. After polishing is finished, the grinding motor 4 is closed, the rotating rod bushing 11 and the opening of the gas cylinder 13 are unscrewed, and the feeding trolley 2 is returned to the initial position through the reverse rotation of the feeding motor 3; the mobile locking device is unlocked, so that the polishing trolley 3 returns to the starting point on the guide rail 1. In the polishing process, the rotating speed of the feeding motor 9, the stroke of the feeding trolley 2 and the polishing frequency of the inner wall of the gas cylinder 13 can be automatically controlled by connecting a PLC (programmable logic controller), and the rotating speed of the grinding motor 4 can be adjusted according to the requirements of the polishing process. In addition, when the bottom or the shoulder of the bottle is polished, the grinding residence time at the position can be prolonged by adjusting a PLC program, so that the bottom or the shoulder of the bottle is fully ground and polished. The bush 11 screwed into the screw thread of the mouth of the gas cylinder 13 plays a role in assisting in supporting and reducing the rotating swing of the rotating rod 10.

The utility model discloses a gas cylinder inner wall burnishing device the polishing strip can be wear-resisting fiber cloth such as nylon cloth or polyester fiber cloth. The polishing strip can be bound by a plurality of nylon filament cloth strips in a radial shape with the circle center, and two sides of the polishing strip are clamped by two circular metal sheets and fixed on the rotary rod. The manufacturing method of the polishing strip is beneficial to circumferential dispersion of the polishing strip in the rotating process and contact with the inner wall of the gas cylinder during working, and the sticky polishing liquid fully polishes the inner wall of the gas cylinder.

Preferably, a rotating rod support 81 for supporting the rotating rod 10 is arranged on the working platform 8, a rotating rod bearing 82 is installed on the rotating rod support 81, and the rotating rod 10 is rotatably connected with the rotating rod support 81 through the rotating rod bearing 82.

When the gas cylinder is polished, the swing amplitude of the end part of the rotary rod 10 is reduced due to the support of the rotary rod support 81 on the rotary rod 10, so that the rotary rod 10 can be prevented from excessively deforming to collide with the inner wall of the gas cylinder when rotating, and the quality of the inner wall of the gas cylinder is better guaranteed.

Preferably, the total length of the swing arm 10 is 1.2-1.8m, and the length of the swing arm 10 overhanging the swing arm support 81 is 0.9-1.5m. The length of the rotary rod 10 and the overhang length of the rotary rod are not too long, otherwise the rotary rod is easy to bend downwards under the action of gravity in the working process, and the polishing effect is affected. The rotating rod 10 is made of stainless steel materials, and the diameter is 12-18mm best.

Preferably, the working platform 8 is a liftable platform. The height of the swing arm 10 can be varied using a liftable platform. When the gas cylinders with different diameters are polished, after the gas cylinders 13 are placed on the first V-shaped frame 23 and the second V-shaped frame 24, the positions of the gas cylinder openings with different diameters are different, and at the moment, the height of the rotary rod 10 is adjusted to be opposite to the axis of the gas cylinder opening through the lifting of the lifting working platform 8, so that the polishing of the gas cylinders with different diameters can be realized.

Preferably, a front cross beam 31 and a rear cross beam 39 are fixed on the polishing trolley, a support bearing 32 is fixedly arranged in the middle of the front cross beam 31 in a penetrating manner, and a lifting screw rod 33 is fixed in the support bearing 32; a lifting nut 34 is fixedly arranged on the working platform 8 in a penetrating manner, and the upper end of the lifting screw rod 33 is screwed in the lifting nut 34; lifting guide shaft lower sleeves 36 are respectively fixed at two ends of the front cross beam 31 and two ends of the rear cross beam 39, and lifting guide shafts 35 are fixed in the lifting guide shaft lower sleeves 36; four guide shaft upper sleeves 83 are fixed on the working platform 8, the four lifting guide shafts 35 are respectively arranged in the four guide shaft upper sleeves 83 in a clearance fit mode, screw holes are formed in the guide shaft upper sleeves 83, and the screw holes are used for installing locking screws to fasten the lifting guide shafts 35.

When the working platform 8 needs to be lifted, all the locking screws on the guide shaft upper sleeve 83 are loosened, the fastening state of the guide shaft upper sleeve 83 and the lifting guide shaft 35 is released, the lifting screw rod 33 is rotated, and the lifting nut 34 matched with the lifting screw rod 33 drives the working platform 8 to lift along with the rotation of the lifting screw rod 33. In the process of lifting the working platform 8, the four lifting guide shafts 35 are fixed, and the four guide shaft upper sleeves 83 move up and down relative to the lifting guide shafts 35 and circumferentially position the lifting guide shafts 35, so that the working platform 8 is kept to stably lift. After the working platform 8 is adjusted to rise to a preset height, all the locking screws of the guide shaft upper sleeve 83 are screwed, the guide shaft upper sleeve 83 and the lifting guide shaft 35 are fastened into a whole, and the working platform 8 is stable at a certain height.

Preferably, a positioning sleeve 25 is fixed on the side edge of the first V-shaped frame 23, and the vertical rod 61 is inserted into the positioning sleeve 25 in a clearance fit manner; the positioning sleeve 25 is provided with a locking screw hole for fixing the vertical rod 61 by a screw; the vertical rod 61 is provided with scales.

When the gas cylinder with smaller polishing length is polished, the gas cylinder 13 is laid flat, and after the bottom of the gas cylinder 13 is abutted against the transverse plate 62, the gravity center of the gas cylinder 13 is closer to the first V-shaped frame 23; and when polishing the great gas cylinder of length, gas cylinder 13 is set level, the gas cylinder bottle end offsets with diaphragm 62 after, the focus of gas cylinder is more close to second V type frame 24, for making the gas cylinder more firm, loosen the screw in the locking screw hole, make montant 61 remove to suitable position in position sleeve 25, thereby adjust diaphragm 62 and first V type frame 23's distance, keep comparatively unanimous focus position when polishing when can making the gas cylinder that has different length, thereby it is more stable to make it placing on feeding dolly 2. The distance between the transverse plate 62 and the first V-shaped frame 23 is adjusted, the transverse plate 62 is adjusted to be horizontal, and then the locking bolt on the sleeve 25 is screwed to lock the vertical rod 61. The scale on the vertical rod 61 facilitates quick forward and backward adjustment of the vertical rod 61 to a position corresponding to the length of the gas cylinder 13.

Preferably, the guide rail 1 is a triangular guide rail, and the wheels of the feeding trolley 2 and the polishing trolley 3 are both V-shaped wheels. The V-shaped wheel is matched with the triangular guide rail, so that the feeding trolley 2 and the polishing trolley 3 can move more stably, and the manufacture is simpler.

Preferably, a bottom plate 5 is supported below the guide rail 1, and a stopper 7 is fixed to a second end of the guide rail 1. The support by the bottom plate 5 under the guide rail 1 makes the guide rail 1 more straight and prevents bending deformation caused by gravity. The stop 7 prevents the polishing trolley 3 from derailing from the end.

Preferably, the locking device comprises an optical axis 38 and a locking sleeve 37, the locking sleeve 37 is arranged on the bottom plate 5 supporting the second end of the guide rail 1, and the top of the locking sleeve 37 is in a cylindrical shape with two through ends; the optical axis 38 is fixed on the polishing trolley 3, the optical axis 38 is slidably inserted into the locking sleeve 37, and a screw hole is formed in the locking sleeve 37 and used for screwing in a screw to fix the optical axis 38.

When polishing is carried out to the gas cylinder of different length, can loosen the screw on the locking sleeve 37, then remove the position of optical axis 38 in locking sleeve 37 to make polishing dolly 3 move to suitable position on guide shaft 1, then tighten locking sleeve 37 top screw again, thereby press from both sides tight optical axis 38 and prevent that polishing dolly 3 from removing, adjusted the length of stretching into of swing arm 10 in the gas cylinder of different length, thereby make the polishing device in the gas cylinder be applicable to the polishing of the gas cylinder of different length more. The length of the optical axis can be 500-1000mm, and scale marks can be arranged on the optical axis 38, and different marks correspond to gas cylinders with different lengths to position the polishing trolley 3, so that the polishing trolley is more convenient to use.

Of course, other movement locking means may be used, for example, brake means or the like provided on the wheels of the polishing trolley 3.

It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Furthermore, the individual features of the invention described above can be combined with one another as long as they do not conflict with one another. In addition, the above embodiments are only some embodiments, not all embodiments, and all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention based on the embodiments of the present invention.

Claims

1. The polishing device for the inner wall of the gas cylinder is characterized by comprising a guide rail, a feeding trolley and a polishing trolley, wherein the feeding trolley and the polishing trolley are slidably mounted on the guide rail, and a movable locking device is arranged on the polishing trolley; a feeding motor is fixedly installed at the first end of the guide rail, and a rotating shaft of the feeding motor is horizontally and fixedly connected with a feeding screw rod; the feeding trolley is provided with a feeding nut matched and connected with the feeding screw rod, a first V-shaped frame and a second V-shaped frame which are identical in structure are vertically arranged on the feeding trolley, inclined planes on the same side of the first V-shaped frame and the second V-shaped frame are in the same plane, and the first V-shaped frame and the second V-shaped frame are arranged at the same height; the first V-shaped frame is close to the feeding motor, an L-shaped baffle is arranged on the first V-shaped frame and comprises a vertical rod and a transverse plate, and the transverse plate faces to the center of the first V-shaped frame and is positioned between the first V-shaped frame and the feeding motor; the polishing trolley is provided with a working platform, a grinding motor is fixed on the working platform, a rotating rod is horizontally and fixedly connected to a rotating shaft of the grinding motor, the rotating rod is a straight rod, and the axis of the rotating rod and the symmetrical shafts of the first V-shaped frame and the second V-shaped frame are on the same plane; a polishing strip is fixed at the end part of the rotating rod; and a rotating rod lining is sleeved on the rotating rod in a clearance fit manner, and an external thread matched with the opening of the gas cylinder is arranged on the rotating rod lining.

2. A polishing device for the inner wall of a gas cylinder according to claim 1, wherein a rotating rod support for supporting the rotating rod is arranged on the working platform, a rotating rod bearing is arranged on the rotating rod support, and the rotating rod is rotatably connected with the rotating rod support through the rotating rod bearing.

3. A polishing device for the inner wall of a gas cylinder according to claim 2, characterized in that the total length of the rotary rod is 1.2-1.8m, and the length of the rotary rod which is suspended outside the rotary rod support is 0.9-1.5m.

4. A polishing device for an inner wall of a gas cylinder according to claim 1, wherein the working platform is a liftable platform.

5. The polishing device for the inner wall of the gas cylinder as claimed in claim 4, wherein a front cross beam and a rear cross beam are fixed on the polishing trolley, a support bearing is fixedly arranged in the middle of the front cross beam in a penetrating manner, and a lifting screw rod is fixed in the support bearing; a lifting nut is fixedly arranged on the working platform in a penetrating manner, and the upper end of the lifting screw rod is in threaded connection with the lifting nut; lifting guide shaft lower sleeves are fixed at two ends of the front cross beam and two ends of the rear cross beam respectively, and lifting guide shafts are fixed in the lifting guide shaft lower sleeves; four guide shaft upper sleeves are fixed on the working platform, the four lifting guide shafts are respectively arranged in the four guide shaft upper sleeves in a clearance fit mode, screw holes are formed in the guide shaft upper sleeves, and the screw holes are used for installing locking screws to fasten the lifting guide shafts.

6. The polishing device for the inner wall of the gas cylinder as claimed in claim 1, wherein a positioning sleeve is fixed on the side edge of the first V-shaped frame, and the vertical rod is arranged in the positioning sleeve in a clearance fit manner; the positioning sleeve is provided with a locking screw hole which is used for fixing the vertical rod by a screw; scales are arranged on the vertical rod.

7. The polishing device for the inner wall of the gas cylinder as claimed in claim 1, wherein the guide rail is a triangular guide rail, and the wheels of the feeding trolley and the polishing trolley are both V-shaped wheels.

8. A polishing device for the inner wall of a gas cylinder as defined in claim 1, wherein a bottom plate is supported below the guide rail, and a stopper is fixed to a second end of the guide rail.

9. The polishing device for the inner wall of the gas cylinder as claimed in claim 8, wherein the locking device comprises an optical axis and a locking sleeve, the locking sleeve is arranged on a bottom plate supporting the second end part of the guide rail, and the top of the locking sleeve is in a cylindrical shape with two through ends; the optical axis is fixed on the polishing dolly, the optical axis slides and wears to establish in the locking sleeve, be provided with the screw hole on the locking sleeve, the screw hole is used for the screw in fix with screw the optical axis.