CN108745813B - Cylindrical part fluidized machining method - Google Patents
Cylindrical part fluidized machining method Download PDFInfo
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- CN108745813B CN108745813B CN201810489941.4A CN201810489941A CN108745813B CN 108745813 B CN108745813 B CN 108745813B CN 201810489941 A CN201810489941 A CN 201810489941A CN 108745813 B CN108745813 B CN 108745813B
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- fixing rod
- fixed
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- rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
- B05D1/22—Processes for applying liquids or other fluent materials performed by dipping using fluidised-bed technique
- B05D1/24—Applying particulate materials
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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
- 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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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2506/00—Halogenated polymers
- B05D2506/10—Fluorinated polymers
- B05D2506/15—Polytetrafluoroethylene [PTFE]
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- Coating Apparatus (AREA)
Abstract
The invention relates to a tubular part fluidization processing method, which specifically comprises the step of arranging a to-be-processed part on a fluidization device, wherein the fluidization device comprises a fixing rod which is arranged in a through hole of the to-be-processed tubular part in a penetrating mode, a pressing device which is sleeved at one end of the fixing rod and is used for pressing the to-be-processed tubular part from the end portion of the fixing rod, and a rotation driving device which is connected with the other end of the fixing rod in a driving mode, and the rotation driving device is fixed on a support. The fluidizing device can realize the fluidizing processing method of the invention which can rotate the parts in the fluidizing coating process, and the method can ensure the uniform coverage of the insulating powder on the cylinder body and improve the quality and the performance of the cylinder-shaped parts.
Description
Technical Field
The invention relates to a method for fluidized processing of a cylindrical part, and belongs to the field of fluidized 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 method for fluidized processing of cylindrical parts, which is used for solving the problems that the cylindrical parts are difficult to clamp or hang and the insulating powder coating is easy to be uneven when the cylindrical parts are subjected to fluidized insulation at present.
In order to achieve the above object, the scheme of the invention comprises:
the invention relates to a method for processing a cylindrical part by fluidization, which is characterized in that a cylindrical part to be processed is immersed in a container filled with fluidization powder, and simultaneously, the part to be processed rotates around a fixed shaft which is parallel to the axial direction of the part.
Furthermore, the fixed shaft is an axial central shaft of the cylindrical part to be processed.
Further, the rotation is uniform rotation.
The method keeps rotating in the process of fluidized coating of the part, can ensure that the fluidized coating surface is uniformly covered with fluidized powder, ensures the uniform coating thickness of the part surface, and improves the performance and the quality of the part.
The invention discloses a tubular part fluidizing device which comprises a fixing rod, a pressing device and a rotary driving device, 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 one end of the fixing rod and used for pressing the tubular part to be processed from the end part, the rotary driving device is connected with the other end of the fixing rod in a driving mode, and the rotary driving device is fixed on a support.
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 rotary driving device can drive the workpiece barrel body to rotate in the fluidized powder, and can ensure the uniform coverage of the insulating powder on the barrel body.
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 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, 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.
Furthermore, the support comprises two hooks, wherein one hook is fixedly connected with the driving device through a fastening bolt, and the other hook is connected with the fixed shaft in a sliding manner.
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.
Furthermore, 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 piece is clamped and fixed in the middle by 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 and the anti-inclined sheet are made of polytetrafluoroethylene materials.
The shrouding adopts polytetrafluoroethylene with the material of preventing the swash plate, has high temperature resistance characteristic, and the surface is smooth, reduces the 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 lifting the knife-shaped end part through the corresponding handle.
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 cylinder body to be fluidized is not in physical contact through the sealing plates larger than the cylinder body and the wall of the fluidization groove, and the device of the invention is dragged to enable the device for fixing the parts to do relative rolling motion on the wall of the fluidization groove under the action of friction force, so that the parts rotate uniformly in the fluidization process, and the powder is coated uniformly 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. A method for processing a cylindrical part by fluidization is characterized in that a cylindrical part to be processed is arranged on a cylindrical part fluidization device and is immersed in a container filled with fluidization powder, and meanwhile, the part to be processed rotates around a fixed shaft which is parallel to the axial direction of the part;
the tubular part fluidizing device comprises a fixing rod, a pressing device and a rotary driving device, wherein the fixing rod is used for penetrating through the through hole of the tubular part to be processed, the pressing device is sleeved at one end of the fixing rod and used for pressing the tubular part to be processed from the end part, the rotary driving device is in driving connection with the other end of the fixing rod, and the rotary driving device is fixed on a support;
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 tightly, and the pressing device at the other end of the fixing rod comprises a baffle plate fixed on the fixing rod;
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 support comprises two hooks, wherein one hook is fixedly connected with the driving device through a fastening bolt, and the other hook is connected with the fixed rod in a sliding manner.
2. The fluid processing method for cylindrical parts according to claim 1, wherein the fixed shaft is an axial center shaft of the cylindrical part to be processed.
3. The method of fluidizing cylindrical member according to claim 2, wherein said rotation is constant rotation.
4. The method as claimed in claim 1, wherein an anti-tilting means is further provided between the pressing means at both ends of the fixing rod, and the end face of the anti-tilting means is matched with the inner diameter of the workpiece to be machined.
5. The method as claimed in claim 4, wherein the anti-tilting means comprises at least two anti-tilting plates, and the two anti-tilting plates are disposed on the fixing rod at a predetermined interval.
6. The method of claim 5, wherein the anti-skewing tabs are secured to the stationary rod by anti-skewing bolts that are threaded to the stationary rod.
7. The method of claim 6, wherein the anti-skew bolt comprises an inner bolt distal from the corresponding end of the fixing rod and an outer bolt proximal to the corresponding end of the fixing rod, and the anti-skew plate is clamped and fixed therebetween by the corresponding inner bolt and the outer bolt.
8. The method for fluidized machining of a cylindrical part according to claim 1, 4, 5, 6 or 7, wherein the fastening bolts are butterfly bolts.
9. A method of fluidised processing of a cylindrical part as claimed in claim 5, 6 or 7, in which the closure plates and anti-canting plates are of polytetrafluoroethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810489941.4A CN108745813B (en) | 2018-05-21 | 2018-05-21 | Cylindrical part fluidized machining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810489941.4A CN108745813B (en) | 2018-05-21 | 2018-05-21 | Cylindrical part fluidized machining method |
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| Publication Number | Publication Date |
|---|---|
| CN108745813A CN108745813A (en) | 2018-11-06 |
| CN108745813B true CN108745813B (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810489941.4A Active CN108745813B (en) | 2018-05-21 | 2018-05-21 | Cylindrical part fluidized machining method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205324118U (en) * | 2016-02-02 | 2016-06-22 | 天津君诚金利管业有限责任公司 | Steel pipe plastics powder hot dip coating fluidizer |
| CN205341209U (en) * | 2016-01-26 | 2016-06-29 | 东莞丰卓机电设备有限公司 | Whitewashed finishing line is soaked in horizontal fluidization pond |
| CN106694328A (en) * | 2016-12-15 | 2017-05-24 | 陈新友 | Multifunctional three-dimensional powder coating equipment |
-
2018
- 2018-05-21 CN CN201810489941.4A patent/CN108745813B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205341209U (en) * | 2016-01-26 | 2016-06-29 | 东莞丰卓机电设备有限公司 | Whitewashed finishing line is soaked in horizontal fluidization pond |
| CN205324118U (en) * | 2016-02-02 | 2016-06-22 | 天津君诚金利管业有限责任公司 | Steel pipe plastics powder hot dip coating fluidizer |
| CN106694328A (en) * | 2016-12-15 | 2017-05-24 | 陈新友 | Multifunctional three-dimensional powder coating equipment |
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| CN108745813A (en) | 2018-11-06 |
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