CN108722817B - Tubular part fluidizing device - Google Patents
Tubular part fluidizing device Download PDFInfo
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- CN108722817B CN108722817B CN201810489951.8A CN201810489951A CN108722817B CN 108722817 B CN108722817 B CN 108722817B CN 201810489951 A CN201810489951 A CN 201810489951A CN 108722817 B CN108722817 B CN 108722817B
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- rod
- fixing rod
- pressing
- cylindrical part
- fixed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C19/00—Apparatus specially adapted for applying particulate materials to surfaces
- B05C19/02—Apparatus specially adapted for applying particulate materials to surfaces using fluidised-bed techniques
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
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Abstract
The invention relates to a tubular part fluidizing device which comprises a fixing rod, a pressing device, a hanging piece and a rotating wheel, wherein the fixing rod is arranged in a through hole of a tubular part to be processed in a penetrating mode, the pressing device is sleeved at two ends of the fixing rod and used for pressing the tubular part to be processed from the end part, the hanging piece is in running fit with the fixing rod, the diameter of the rotating wheel is larger than that of the part to be processed, and the rotating wheel is fixed with the pressing. Except the hanging piece, all the other parts are fixed on the fixed rod, so that the whole structure is simple, and the assembly and disassembly are convenient.
Description
Technical Field
The invention relates to a tubular part fluidizing device, and belongs to the field of fluidizing processing.
Background
The circuit breaker contact arm adopts the process of fluidizing the insulating powder, the connecting parts of the two ends of the whole contact arm can not have insulating layers, and the rest parts of the contact arm can not be in direct contact, so that the circuit breaker contact arm is difficult to directly hang or clamp; meanwhile, the contact arm fluidized coating layer is sprayed at present, so that the quality problems of uneven thickness and the like exist, and the electrical insulation effect of the contact arm is seriously influenced.
The problems are all existed when the cylindrical parts like the contact arm of the circuit breaker are fluidized and insulated, firstly, the insulating surface of the cylinder body coated with insulating powder can not be clamped or hung; secondly, when the barrel body is covered with the insulating powder, the coating is uneven, and the insulating effect is affected.
Disclosure of Invention
The invention aims to provide a tubular part fluidizing device which is used for solving the problems that a part barrel is difficult to clamp or hang and insulating powder coating is easy to be uneven when a tubular part is fluidized and insulated at present.
In order to achieve the above object, the scheme of the invention comprises:
the invention discloses a tubular part fluidizing device which comprises a fixing rod, a pressing device, a hanging piece and a rotating wheel, wherein the fixing rod is arranged in a through hole of a tubular part to be processed in a penetrating mode, the pressing device is sleeved at two ends of the fixing rod and used for pressing the tubular part to be processed from the end part, the hanging piece is in rotating fit with the fixing rod, and the rotating wheel is larger than the part to be processed in diameter and fixed with the pressing device.
The invention can clamp the cylindrical part in the middle from two ends, and the part is suspended or supported in the fluidized insulation powder environment through the hanging part, so that the contact with the surface of the cylinder body of the cylindrical workpiece is avoided, and the coating of the insulation powder on the cylinder body can be realized; meanwhile, the rotating wheel with the diameter larger than the part cylinder is attached to the inner wall of the fluidization groove, and when the rotating wheel is dragged by the hanging piece, the rotating wheel and the inner wall of the fluidization groove move relatively to form rotation, so that the part cylinder is driven to rotate in fluidization powder, and the uniform coverage of the insulation powder on the cylinder can be guaranteed. The structure is simple and reliable, and a built-in power device is not needed
Furthermore, the pressing device at one end of the fixing rod comprises a sealing plate which is sleeved on the fixing rod and used for pressing the end part of the cylindrical part to be processed, and a fastener which is locked with the fixing rod and used for pressing the sealing plate, and the pressing device at the other end of the fixing rod comprises a baffle fixed on the fixing rod.
One end of the fixing rod is a detachable pressing device, the other end of the fixing rod is a fixing baffle, the cylindrical part is sleeved on the fixing rod from the detachable end, and then the fixing rod is pressed and fixed through the pressing device.
Furthermore, the closing plate and the baffle plate are respectively arranged integrally with the rotating wheel at the end.
The sealing plate and the baffle are made into a cylinder with the same diameter, the circumferential surface is processed into a rough surface, the roller effect is realized, and the cylindrical part is driven to rotate.
Furthermore, the pressing device comprises a sealing plate and a fastener, wherein the sealing plate is sleeved on the fixing rod and used for pressing the end part of the cylindrical part to be processed, and the fastener is locked with the fixing rod and used for pressing the sealing plate.
Furthermore, the closing plate and the rotating wheel at the corresponding end are integrally arranged.
Furthermore, an external thread is turned at one end of the fixing rod provided with the fastener; the fastener is a fastening bolt matched with the thread of the fixed rod.
The sealing plates are pressed through the fastening bolts, the cylindrical workpieces are pressed by the sealing plates from two ends, and the sealing plate structure is stable and reliable and is convenient to disassemble and assemble.
Further, the hanging piece comprises a roller and a hook, and the roller is fixed on the fixing rod; one end of the hook is connected with the roller in a sliding mode.
Furthermore, a groove is formed in the middle of the peripheral surface of the roller, and the hook is hooked in the groove.
Further, the roller is fixed between the fastening bolt and the closing plate.
Furthermore, an anti-inclination device is further sleeved between the pressing devices at the two ends of the fixing rod, and the end face of the anti-inclination device is matched with the inner diameter of the workpiece to be processed.
The invention is also provided with an anti-tilting device, in particular to one section or a plurality of sections of round sheets or cylinders sleeved on the fixed rod, wherein the diameter of the cylinder is matched with the inner diameter of the cylindrical workpiece. The fixing rod is kept as the axis when the workpiece rolls, and the insulating powder is further uniformly coated.
Furthermore, the anti-tilting device comprises at least two anti-tilting pieces, and the two anti-tilting pieces are arranged on the fixed rod at intervals.
Furthermore, the anti-inclined piece is fixed on the fixing rod through an anti-inclined bolt matched with the thread of the fixing rod.
Further, the anti-tilting bolt comprises an inner bolt far away from the corresponding end part of the fixed rod and an outer bolt close to the corresponding end part of the fixed rod, and the anti-tilting plate is clamped and fixed between the corresponding inner bolt and the corresponding outer bolt.
Further, the fastening bolt is a butterfly bolt.
The butterfly bolt is convenient for bare-handed disassembly and assembly, and is convenient for disassembling and taking down or installing workpieces.
Furthermore, the sealing plate, the roller and the anti-tilting sheet are made of polytetrafluoroethylene materials.
The material of shrouding, gyro wheel and anti-swash plate adopts polytetrafluoroethylene, has high temperature resistance characteristic, and the surface is smooth, reduces fluidization in-process coating frock surface, reduces the frictional force when rolling, extension frock life.
Drawings
FIG. 1 is a schematic view of a fluidizing apparatus for cylindrical parts according to example 1;
FIG. 2 is a schematic view of a fluidizing apparatus for cylindrical parts according to example 2.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
The cylindrical part fluidizing device shown in fig. 1 comprises a screw rod 1 serving as a fixing rod, an inner nut 21, an outer nut 22, an anti-tilting plate 3, a sealing plate 4, a roller 5, a butterfly nut 6 and a hook 7. And at least two end parts of the screw rod 1 are provided with external threads, or the whole screw rod 1 is provided with external threads. The inner nut 21, the outer nut 22 and the butterfly nut 6 are all matched with the screw threads of the screw rod, and the inner diameters of the middle holes of the anti-sloping plate 3, the sealing plate 4 and the roller 5 are matched with the diameter of the screw rod 1. Taking the left part of a screw rod 1 in the figure as an example, an anti-sloping plate 3, a sealing plate 4 and a roller 5 are sleeved on the end thread from inside to outside in sequence, and a butterfly nut 6 is screwed in the outermost part; the anti-sloping plate 3 is clamped and fixed on the screw rod 1 through an inner nut 21 and an outer nut 22. The roller 5 is sleeved on the screw rod 1, an annular groove is formed in the middle of the outer peripheral surface of the roller 5, one end of the hook 7 is hooked in the groove, and free sliding in the groove can be achieved. The outer peripheral surface of the anti-sloping plate 3 is matched with the inner peripheral surface of the cylindrical workpiece to be processed.
One end of the screw rod 1 adopts the structure, and the other end of the screw rod can adopt the same structure or a structure fixed by a sealing plate; for example, the sealing plate is fixedly connected with the screw rod 1 at the other end, the roller is fixed on the screw rod 1 through a nut or other methods, and the anti-sloping plate at the end is still fixed on the inner side of the end sealing plate.
The anti-sloping plate 3 is clamped and fixed by the inner nut 21 and the outer nut 22, and as other embodiments, the anti-sloping plate can also be fixed in other modes, for example, a stop block or a baffle plate is arranged at the tail end of the screw rod 1 corresponding to the end part thread in the middle of the screw rod, and the anti-sloping plate 3 is pressed and fixed on the stop block or the baffle plate by a nut; or the middle hole which is matched with the screw rod 1 through the thread of the anti-sloping plate 3 is screwed at the proper position of the screw rod 1. The anti-sloping plate 3 can also be replaced by a section of cylinder, the inner peripheral surface of a middle hole of the cylinder is matched with the screw rod 1, and the outer peripheral surface of the middle hole of the cylinder is matched with the inner peripheral surface of a cylindrical workpiece to be processed.
Adopt the lead screw as the dead lever in this embodiment, adopt butterfly nut to compress tightly shrouding and tube-shape work piece, as other embodiments, also can not adopt the screw nut to compress tightly the shrouding at both ends, can adopt for example the clip to fix, the dead lever tip adopts the material that the surface is crude, provide great static friction power, the clip presss from both sides tight dead lever, compresses tightly the shrouding simultaneously. Or the end part of the fixing rod is of a saw-toothed structure, meanwhile, the knife-shaped end part is arranged in the hole in the fastener outside the sealing plate, under the condition that the knife-shaped end part is not lifted, the knife-shaped end part is clamped into the saw-toothed structure at the end part of the fixing rod under the elastic action, the inclined surface of each saw tooth in the saw-toothed structure at one end part of the fixing rod faces towards the end part, and the vertical surface faces towards the other end part, so that the fastener can only slide towards the other end part of the fixing rod towards the direction pressing the end sealing plate under the condition that the knife-shaped end part is not lifted, and the fastener can be loosened only by.
The invention discloses a cylindrical part fluidizing device used as a tool for fluidizing and insulating a contact arm of a circuit breaker, which comprises the following steps:
(1) the lead screw 1 penetrates through the contact arm for the circuit breaker, the inner nut 21, the anti-sloping plate 3, the outer nut 22, the sealing plate 4, the roller 5 and the butterfly nut 6 are sequentially fastened at two ends of the lead screw 1 from inside to outside, and one end of the pair of hooks 7 is respectively hung on the roller 5 at the two ends. The contact arm for the circuit breaker is reliably clamped on the screw rod 1 by rotating the butterfly nut 6 through the roller 5 and the seal plate 4.
(2) After the hook 7 is hoisted to contact the arm and the tool is preheated in the oven, the contact arm is completely immersed in the insulating powder, the hook 7 is moved to enable the sealing plate 4 of the tool to be in contact with the inner wall of the fluidization groove, the hook 7 is pulled or pulled, relative sliding occurs between the hook 7 and the roller 5, and the sealing plate 4 continuously drives the tool and the cylindrical part to rotate under the action of friction force with the inner wall of the fluidization groove.
(3) And integrally hanging the contact arm and the tooling which are fluidized in an oven for heating and curing.
In the step (1), except the hook 7, all the other parts of the contact arm fluidization tool for the circuit breaker are fixed on the screw rod 1, and the butterfly nut 6 is used at the end part, so that the whole structure is simple, and the disassembly and the assembly are convenient.
In the step (1), the sealing plate 4, the roller 5 and the anti-sloping plate 3 are made of polytetrafluoroethylene, have the characteristic of high temperature resistance and smooth surface, reduce the insulating powder coating on the surface of the tool in the fluidization process, reduce the friction force during rolling and prolong the service life of the tool.
In the step (2), the sealing plate 4, the roller 5 and the anti-sloping plate 3 are circular in shape, so that the contact arm can roll relatively in the fluidization process, and the aim of uniform thickness of the fluidization coating of the contact arm is fulfilled.
The key point of the invention is that the cylindrical parts are clamped and fixed from two ends and hoisted, and meanwhile, the sealing plates larger than the barrel body are contacted with the wall of the fluidization groove, so that the barrel body to be fluidized is ensured not to be physically contacted, and meanwhile, the device of the invention is dragged, so that the device for fixing the parts does relative rolling motion on the wall of the fluidization groove under the action of friction force, thereby realizing the uniform rotation of the parts in the fluidization process and ensuring the uniform coating of powder on the surfaces of the parts in the fluidization process. Therefore, the cylindrical part fluidizing device of the present invention can also be used for fluidizing processing of other cylindrical parts, the method is similar to the above steps, and the detailed description is omitted in this embodiment. Meanwhile, as other embodiments, the invention can also drive the part to rotate through a power device, for example, the sealing plate or the roller is driven to rotate around the axis by a motor, and then the part is driven to rotate; or the hook is eliminated, the device is hung and installed through two transmission belts which bypass the groove on the circumferential surface of the roller, the other end of the transmission belt bypasses a driving shaft or a driving wheel, and the driving shaft or the driving wheel rotates to drive the device and the part clamped by the device to rotate through the transmission belts.
Example 2
As shown in fig. 2, the tubular part fluidizing device comprises a screw rod 1 ' as a fixing rod, an inner nut 21 ', an outer nut 22 ', an anti-tilting plate 3 ', a sealing plate 4 ', a roller 5 ', a butterfly nut 6 ', a hook 7 ', a fixing sealing plate 15 ' fixedly connected with the screw rod 1 ', a motor 13 ', a motor output shaft 14 ' and a fixing pin 12 '. And at least two end parts of the screw rod 1 'are provided with external threads, or the whole screw rod 1' is provided with external threads. The inner nut 21 ', the outer nut 22 ' and the butterfly nut 6 ' are matched with the screw threads of the screw rod, and the inner diameters of the middle holes of the anti-tilting plate 3 ', the sealing plate 4 ' and the roller 5 ' are matched with the diameter of the screw rod 1 '. In the figure, the thread at the left end part of a screw rod 1 ' is sequentially sleeved with an anti-sloping plate 3 ', a sealing plate 4 ' and a roller 5 ' from inside to outside, and the outermost part is screwed into a butterfly nut 6 '; the anti-sloping plate 3 'is clamped and fixed on the screw rod 1' through the inner nut 21 'and the outer nut 22'. The roller 5 'is sleeved on the screw rod 1', an annular groove is formed in the middle of the outer peripheral surface of the roller 5 ', one end of the hook 7' is hooked in the groove, and free sliding in the groove can be achieved. The outer peripheral surface of the anti-sloping plate 3 is matched with the inner peripheral surface of the cylindrical workpiece to be processed. In the figure, the right end part of the screw rod 1 ' is also provided with an anti-tilting plate 3 ', and the anti-tilting plate 3 ' can also be fixed on the corresponding thread of the screw rod 1 ' through an inner nut 21 ' and an outer nut 22 ', and can also be integrally formed with the screw rod 1 '; the right end part of the screw rod 1 'is also provided with a fixed closing plate 15' in an integral molding or other fixed mode. The right end face of the screw rod 1 'is provided with a groove, a motor output shaft 14' of a motor 13 'can be inserted into the groove and locked and fixed to realize transmission connection, and a specific method can be that a fixing pin 12' is inserted in a penetrating mode from the lateral direction or a threaded connection, a bayonet connection and the like.
The working method of the cylindrical part fluidizing device of the embodiment is similar to that of the embodiment 1, and the only difference is that the cylindrical part is rotated, in the embodiment 1, the roller drives the part to rotate through friction by dragging the device provided by the invention which clamps the cylindrical part; in the embodiment, the fixed rod is dragged to rotate by the electrode, so that the cylindrical part can rotate.
Claims (9)
1. The tubular part fluidizing device is characterized by comprising a fixing rod, a pressing device, a hanging piece and a rotating wheel, wherein the fixing rod is used for penetrating through a through hole of a tubular part to be processed, the pressing device is sleeved at two ends of the fixing rod and used for pressing the tubular part to be processed from the end part, the hanging piece is in running fit with the fixing rod, and the rotating wheel is larger than the part to be processed in diameter and fixed with the pressing device;
the pressing device comprises a sealing plate and a fastener, wherein the sealing plate is sleeved on the fixing rod and used for pressing the end part of the cylindrical part to be processed, and the fastener is locked with the fixing rod and used for pressing the sealing plate; the sealing plate and the rotating wheel at the corresponding end are integrally arranged;
the end of the fixed rod provided with the fastener is lathed with an external thread; the fastening piece is a fastening bolt matched with the thread of the fixed rod;
the hanging piece comprises a roller and a hook, and the roller is fixed on the fixed rod; one end of the hook is connected with the roller in a sliding mode.
2. The cylindrical part fluidizing device according to claim 1, wherein a groove is formed in the middle of the outer peripheral surface of said roller, and said hook is hooked in said groove.
3. The cylindrical part fluidizing apparatus according to claim 2, wherein said roller is fixed between said fastening bolt and said closing plate.
4. The cylindrical part fluidizing device according to claim 3, wherein an anti-tilting device is further provided between the pressing devices at both ends of said fixing rod, and the end surface of said anti-tilting device is matched with the inner diameter of the workpiece to be machined.
5. The cylindrical part fluidizing apparatus according to claim 4, wherein said inclination preventing means comprises at least two inclination preventing pieces provided on said fixing bar at a certain interval.
6. The cylindrical part fluidizing apparatus according to claim 5, wherein said anti-skewing tabs are secured to said stationary rod by anti-skewing bolts threadedly mated with said stationary rod.
7. The cylindrical part fluidizing apparatus according to claim 6, wherein said anti-skew bolt comprises an inner bolt distal from a corresponding end of said stationary rod and an outer bolt proximal to a corresponding end of said stationary rod, said anti-skew plate being clampingly secured therebetween by said corresponding inner bolt and said outer bolt.
8. The cylindrical part fluidizing device according to any one of claims 1 to 7, wherein said fastening bolts are butterfly bolts.
9. The cylindrical part fluidizing apparatus according to claim 5, 6 or 7, wherein said closing plate, said rollers and said anti-skewing tabs are of polytetrafluoroethylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810489951.8A CN108722817B (en) | 2018-05-21 | 2018-05-21 | Tubular part fluidizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810489951.8A CN108722817B (en) | 2018-05-21 | 2018-05-21 | Tubular part fluidizing device |
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| Publication Number | Publication Date |
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| CN108722817A CN108722817A (en) | 2018-11-02 |
| CN108722817B true CN108722817B (en) | 2021-04-20 |
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| CN201810489951.8A Active CN108722817B (en) | 2018-05-21 | 2018-05-21 | Tubular part fluidizing device |
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| CN206705314U (en) * | 2017-05-05 | 2017-12-05 | 厦门文仪电脑材料有限公司 | A kind of temperature-sensitive print paper cutting unreels fixing device |
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| WO1994019111A1 (en) * | 1993-02-19 | 1994-09-01 | Michigan State University | High speed process for fiber coating with polymer particles |
| WO2001024940A1 (en) * | 1999-10-04 | 2001-04-12 | Technische Universität München | Aerosol generator |
| CN201102831Y (en) * | 2007-11-07 | 2008-08-20 | 李阳松 | Thin film cutting box |
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| CN108722817A (en) | 2018-11-02 |
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Inventor after: Li Xiaoying Inventor after: Qiu Wenbiao Inventor after: Zhao Yazhong Inventor after: Wang Yanbin Inventor before: Qiu Wenbiao Inventor before: Zhao Yazhong Inventor before: Wang Yanbin |
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