CN112718735B - Method for cleaning inner surface of zirconium alloy pipe - Google Patents
Method for cleaning inner surface of zirconium alloy pipe Download PDFInfo
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- CN112718735B CN112718735B CN202011474769.9A CN202011474769A CN112718735B CN 112718735 B CN112718735 B CN 112718735B CN 202011474769 A CN202011474769 A CN 202011474769A CN 112718735 B CN112718735 B CN 112718735B
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- zirconium alloy
- alloy pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
- B08B9/057—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices being entrained discrete elements, e.g. balls, grinding elements, brushes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a method for cleaning the inner surface of a zirconium alloy pipe, wherein a cleaning device adopted by the method comprises a rack, a clamping mechanism which is arranged at the top of the rack and used for positioning the zirconium alloy pipe, a blow washing mechanism which is arranged at the head end of the zirconium alloy pipe, and a feeding mechanism and a discharging mechanism which are respectively arranged at the two sides of the clamping mechanism; the cleaning method comprises the following steps: firstly, feeding a zirconium alloy pipe; secondly, linearly moving and clamping the zirconium alloy pipe; thirdly, cleaning the inner surface of the zirconium alloy pipe; and fourthly, unloading the zirconium alloy pipe. The cleaning method is simple and easy to operate, does not need an operator to manually move the zirconium alloy pipe, can realize the processes of automatic feeding, automatic clamping, automatic purging and automatic discharging, has high automation degree, improves the cleaning efficiency of the zirconium alloy pipe, can ensure the quality of the inner surface and the outer surface of the pipe, and is convenient to popularize and apply.
Description
Technical Field
The invention belongs to the technical field of pipe processing and manufacturing, and particularly relates to a method for cleaning the inner surface of a zirconium alloy pipe.
Background
Zirconium alloy pipes are often used as structural members, cladding materials, guide materials and the like and widely applied to the high-tech fields of aerospace, war industry, nuclear power and the like, and meanwhile, the zirconium alloy pipes generally have extremely high requirements on the dimensional accuracy, straightness, end face quality, internal and external surface quality and physical and chemical properties, so that the zirconium alloy pipes need to be subjected to processes of straightening, outer surface polishing, inner surface cleaning and the like in the production process of the zirconium alloy pipes. At present, the inner surface of a zirconium alloy pipe is treated by procedures of sand blasting, acid pickling and the like, and after the procedures of sand blasting, acid pickling and the like, residues such as water, sand dust, acid stains and the like are always left on the inner surface of the zirconium alloy pipe; in addition, certain requirements are provided for skills, experience, physical strength and the like of operators; at the same time, there is a risk of damaging the straightness and the inner and outer surfaces of the zirconium alloy pipe. The equipment cleaning is to clamp the zirconium alloy pipe by the clamping cylinder and then to drive out the sponge ball by high-pressure air, and has very high requirements on cleaning equipment due to the characteristics of complex production process, high quality requirement, high production environment requirement, expensive raw materials and the like of the zirconium alloy pipe; therefore, a method for cleaning the inner surface of the zirconium alloy pipe with high cleaning efficiency and good cleaning effect should be provided.
Disclosure of Invention
The invention aims to solve the technical problem that the method for cleaning the inner surface of the zirconium alloy pipe is provided aiming at the defects in the prior art, is simple and easy to operate, does not need an operator to manually move the zirconium alloy pipe, can realize the processes of automatic feeding, automatic clamping, automatic purging and automatic discharging, has high automation degree, improves the cleaning efficiency of the zirconium alloy pipe, can ensure the quality of the inner surface and the outer surface of the pipe, and is convenient to popularize and apply.
In order to solve the technical problems, the invention adopts the technical scheme that: a method for cleaning the inner surface of a zirconium alloy pipe is characterized by comprising the following steps: the cleaning device adopted by the method comprises a rack, a clamping mechanism which is arranged at the top of the rack and used for positioning the zirconium alloy pipe, a purging mechanism which is arranged at the head end of the zirconium alloy pipe, a feeding mechanism which is respectively arranged at two sides of the clamping mechanism and used for transferring the zirconium alloy pipe to the clamping mechanism, and a discharging mechanism which is used for moving the zirconium alloy pipe out of the clamping mechanism, wherein the rack comprises a supporting frame and a fixing plate which is horizontally arranged at the top end of the supporting frame; the clamping mechanism comprises a V-shaped driving supporting wheel and a V-shaped driven supporting wheel which are arranged on the top surface of the fixed plate at intervals and arranged on the same straight line, and a clamping assembly which is arranged on the top surface of the fixed plate and used for clamping and linearly moving the zirconium alloy pipe; the blowing mechanism comprises a sponge ball supply assembly, a blowing assembly arranged on the fixing plate and a nozzle assembly positioned at the head end of the zirconium alloy pipe; the feeding mechanism comprises at least two feeding frames and feeding transmission parts which are arranged at intervals and are arranged on one side of the supporting frame, and the discharging mechanism comprises at least two discharging frames and discharging transmission parts which are arranged at intervals and are arranged on the other side of the supporting frame; the cleaning method comprises the following steps:
step one, feeding of a zirconium alloy pipe:
101, installing a limiting plate on a first feeding frame in the direction in which the head end of a zirconium alloy pipe extends to the tail end of the zirconium alloy pipe, and placing the zirconium alloy pipe on the feeding frame to enable the end face of the head end of the zirconium alloy pipe to be tightly attached to the side face of the limiting plate, wherein the number of the zirconium alloy pipes is multiple;
102, transferring a zirconium alloy pipe to the V-shaped driving supporting wheel and the V-shaped driven supporting wheel by using a feeding transmission part;
step two, linear movement and clamping of the zirconium alloy pipe:
step 201, driving a zirconium alloy pipe to move linearly by a V-shaped driving supporting wheel:
starting the V-shaped driving support wheel to rotate, and driving the zirconium alloy pipe to move linearly to one side close to the nozzle assembly by the V-shaped driving support wheel; the nozzle assembly comprises a third support fixedly arranged on the fixing plate, a positioning block arranged on the third support and a nozzle penetrating through the positioning block, a conical through hole is formed in the nozzle, a nozzle mounting hole and a blowing pipe inserting hole coaxially communicated with the nozzle mounting hole are formed in the positioning block, a first nylon guide sleeve matched with the small-diameter end of the conical through hole and a second nylon guide sleeve matched with the large-diameter end of the conical through hole are respectively arranged at two ends of the nozzle, the first nylon guide sleeve is positioned on the outer side of the positioning block, and the second nylon guide sleeve is positioned in the positioning block; when the position detector detects the position of the end face of the head end of the zirconium alloy pipe, the V-shaped driving supporting wheel stops rotating, and the zirconium alloy pipe stops moving linearly to one side close to the nozzle assembly;
step 202, the clamping assembly drives the zirconium alloy pipe to be inserted into the first nylon guide sleeve:
starting the clamping assembly to clamp the zirconium alloy pipe, and inserting the head end of the zirconium alloy pipe into the first nylon guide sleeve;
step three, cleaning the inner surface of the zirconium alloy pipe:
301, filling a sponge ball into the positioning block by using the sponge ball supply assembly;
step 302, blowing sponge balls in the positioning blocks into the zirconium alloy pipe by using a blowing assembly:
the blowing assembly comprises a second support fixedly arranged on the fixing plate, a second linear moving sliding table arranged on the second support and a blowing pipe arranged on the second linear moving sliding table, the axis of the blowing pipe is overlapped with the axis of a blowing pipe insertion hole, and a compressed air supply pipe is connected to the blowing pipe;
utilize the subassembly of jetting to blow in the inside concrete process of zirconium alloy tubular product with the sponge ball in the locating block includes: the second linear moving sliding table drives the injection pipe to linearly move towards one side close to the positioning block, so that the end part of the injection pipe is gradually inserted into the injection pipe insertion hole, and the sponge ball in the positioning block is pushed into the conical through hole; after the end part of the blowing pipe is tightly matched with the second nylon guide sleeve, blowing the sponge balls in the conical through holes into the zirconium alloy pipe by utilizing compressed air;
step 303, repeating step 301 and step 302 until reaching a cleaning frequency set value;
step four, unloading the zirconium alloy pipe:
step 401, pulling out the zirconium alloy pipe from the interior of the first nylon guide sleeve by using a clamping assembly, then loosening the zirconium alloy pipe by using the clamping assembly, starting the V-shaped driving support wheel to rotate reversely, driving the zirconium alloy pipe to linearly move to one side far away from the nozzle assembly by using the V-shaped driving support wheel, and stopping the reverse rotation of the V-shaped driving support wheel after the head end face of the zirconium alloy pipe is separated from the clamping assembly;
and 402, transferring the zirconium alloy pipes on the V-shaped driving supporting wheel and the V-shaped driven supporting wheel to the discharging frame by using a discharging transmission part.
The method for cleaning the inner surface of the zirconium alloy pipe is characterized by comprising the following steps: in the step 301, before filling quantitative sponge balls into the positioning blocks by using the sponge ball supply assembly, injecting ethanol into the zirconium alloy pipe by using the blowing assembly and the nozzle assembly, wherein the specific process comprises the following steps:
an ethanol supply pipe is connected to the injection pipe, the microcontroller controls the second linear moving sliding table to drive the injection pipe to linearly move towards one side close to the positioning block until the end of the injection pipe is tightly matched with the second nylon guide sleeve, ethanol is injected into the injection pipe through the ethanol supply pipe, the ethanol flows through the conical through hole and enters the zirconium alloy pipe, and the injection of the ethanol into the zirconium alloy pipe is stopped after the ethanol is uniformly distributed on the inner surface of the zirconium alloy pipe.
The method for cleaning the inner surface of the zirconium alloy pipe is characterized by comprising the following steps: in step 302, after the sponge balls in the conical through holes are blown into the zirconium alloy pipe by using compressed air, measuring the pressure change in the compressed air supply pipe by using a pressure gauge, judging whether the sponge balls smoothly pass through the zirconium alloy pipe according to the pressure change in the compressed air supply pipe, and when the pressure gauge detects that the pressure of the compressed air supply pipe is reduced to zero, indicating that the sponge balls pass through the zirconium alloy pipe, executing step 303;
when the pressure gauge detects that the pressure of the compressed air supply pipe does not change, the sponge ball does not penetrate through the zirconium alloy pipe, the sponge ball supply assembly stops filling the sponge ball into the positioning block, and the blowing assembly continuously fills the compressed air into the zirconium alloy pipe until the sponge ball in the zirconium alloy pipe penetrates through the zirconium alloy pipe.
The method for cleaning the inner surface of the zirconium alloy pipe is characterized by comprising the following steps: the clamping assembly comprises a first support fixedly arranged on the fixing plate, a first linear moving sliding table arranged on the first support and a pneumatic finger arranged on the first linear moving sliding table;
the specific process of using the clamping assembly to drive the zirconium alloy pipe to be inserted into the first nylon guide sleeve in the step 202 comprises the following steps: the first linear moving sliding table drives the zirconium alloy pipe to move linearly to one side close to the nozzle assembly until the head end of the zirconium alloy pipe is inserted into the first nylon guide sleeve.
The method for cleaning the inner surface of the zirconium alloy pipe is characterized by comprising the following steps: the structure of the feeding transmission part is the same as that of the discharging transmission part, and the feeding transmission part and the discharging transmission part respectively comprise at least two rotating shafts which are coaxially connected and a material taking assembly arranged between every two adjacent rotating shafts.
The method for cleaning the inner surface of the zirconium alloy pipe is characterized by comprising the following steps: the material taking assembly comprises a mounting seat fixedly mounted on the rack, a deflection plate mounted on the rotating shaft and a V-shaped material taking block fixedly mounted on the deflection plate, and the rotating shaft is in transmission connection with the deflection plate through a synchronous belt.
The method for cleaning the inner surface of the zirconium alloy pipe is characterized by comprising the following steps: the sponge ball supply assembly comprises a vibration disc and a sponge ball conveying pipe connected to the outlet end of the vibration disc, and a sponge ball conveying pipe insertion hole vertically communicated with the blowing pipe insertion hole is formed in the positioning block.
The method for cleaning the inner surface of the zirconium alloy pipe is characterized by comprising the following steps: and a sponge ball recovery pipe is sleeved at the tail end of the zirconium alloy pipe and is communicated with the recovery box.
Compared with the prior art, the invention has the following advantages:
1. the cleaning device comprises a rack, a clamping mechanism and a blow washing mechanism, wherein the clamping mechanism is arranged at the top of the rack, the blow washing mechanism is arranged at the head end of a zirconium alloy pipe, the rack comprises a supporting frame and a fixing plate, the fixing plate is horizontally arranged at the top end of the supporting frame, the supporting frame can play the role of the fixing plate, the fixing plate provides stable and reliable installation space for the clamping mechanism, the clamping mechanism comprises a V-shaped driving supporting wheel, a V-shaped driven supporting wheel and a clamping assembly, the V-shaped driving supporting wheel and the V-shaped driven supporting wheel jointly form a supporting structure for supporting the zirconium alloy pipe, when the zirconium alloy pipe is positioned on the V-shaped driving supporting wheel and the V-shaped driven supporting wheel 4, the zirconium alloy pipe is positioned in a V-shaped groove of the V-shaped driving supporting wheel and a V-shaped groove of the V-shaped driven supporting wheel, and at the same time, the V-shaped driving supporting wheel can drive the zirconium alloy pipe to linearly move along the length direction of the zirconium alloy pipe as long as the V-shaped driving supporting wheel rotates the V-shaped driving supporting wheel The purpose of (2), however, when cleaning the internal surface of zircaloy tubular product, must carry out the centre gripping to zircaloy tubular product fixedly, avoid zircaloy tubular product to take place to remove and deflect, consequently, through install the centre gripping subassembly on the fixed plate, the centre gripping subassembly not only has the function of centre gripping zircaloy tubular product, moreover, can follow rectilinear movement zircaloy tubular product under the prerequisite of centre gripping zircaloy tubular product.
2. The blowing mechanism of the cleaning device comprises a sponge ball supply assembly, a blowing assembly and a nozzle assembly, wherein the blowing assembly and the nozzle assembly are arranged on a fixed plate, the nozzle assembly is positioned between the blowing assembly and a clamping assembly, the nozzle assembly comprises a third support, a positioning block and a nozzle, the third support is fixedly arranged on the fixed plate, the blowing assembly comprises a second support, a second linear moving sliding table and a blowing pipe, the second linear moving sliding table can drive the blowing pipe to linearly move, a nozzle mounting hole and a blowing pipe insertion hole which is coaxially communicated with the nozzle mounting hole are formed in the positioning block, the axis of the blowing pipe is superposed with the axis of the blowing pipe insertion hole, in the process that the second linear moving sliding table drives the blowing pipe to move towards one side close to the positioning block, the end part of the blowing pipe can be inserted into the blowing pipe insertion hole, and quantitative sponge balls can be filled into the blowing pipe insertion hole by using the sponge ball supply assembly, therefore, only need to inject compressed air into the inside of the injection pipe, can blow in zirconium alloy tubular product with the quantitative sponge ball in the injection pipe inserting hole through the taper through hole, the injection pipe inserting hole not only can play the effect with injection pipe matched with, can play the effect of holding the sponge ball simultaneously.
3. The cleaning device can transfer the zirconium alloy pipe to the V-shaped driving supporting wheel and the V-shaped driven supporting wheel by using the feeding transmission part, and can transfer the zirconium alloy pipe on the V-shaped driving supporting wheel and the V-shaped driven supporting wheel to at least two discharging frames by using the discharging transmission part after the zirconium alloy pipe is cleaned, so that an operator does not need to manually move the zirconium alloy pipe, and the labor intensity of the operator is greatly reduced.
4. The automatic control device can realize the automatic control of the clamping mechanism, the purging mechanism, the feeding mechanism and the discharging mechanism, can realize the processes of automatic feeding, automatic clamping, automatic purging and automatic discharging, has high automation degree, improves the cleaning efficiency of the zirconium alloy pipe, can ensure the quality of the inner surface and the outer surface of the pipe, and is convenient to popularize and apply.
5. The cleaning method is simple and easy to operate, does not need operators to manually move the zirconium alloy pipe, improves the operation safety, and has good use effect.
In conclusion, the cleaning method is simple and easy to operate, does not need an operator to manually move the zirconium alloy pipe, can realize the processes of automatic feeding, automatic clamping, automatic purging and automatic discharging, has high automation degree, improves the cleaning efficiency of the zirconium alloy pipe, can ensure the quality of the inner surface and the outer surface of the pipe, and is convenient to popularize and apply.
The invention is described in further detail below with reference to the figures and examples.
Drawings
FIG. 1 is a flow chart of the cleaning method of the present invention.
FIG. 2 is a schematic view of the cleaning device of the present invention.
Fig. 3 is an enlarged view of fig. 2 at a.
Fig. 4 is a schematic view showing the connection relationship of the blowing assembly, the nozzle assembly, the holding assembly, the sponge ball-transporting pipe and the fixing plate according to the present invention.
FIG. 5 is a schematic view showing the connection of the nozzle assembly, the blowing assembly, the compressed air supply tube, the pressure gauge and the fixing plate according to the present invention.
Fig. 6 is a schematic structural diagram of the feeding frame of the present invention.
Fig. 7 is a schematic structural view of the discharging frame of the present invention.
Fig. 8 is a schematic block diagram of the circuit of the present invention.
Description of reference numerals:
Detailed Description
As shown in fig. 1, fig. 2 and fig. 3, a cleaning device adopted in the method comprises a frame, a clamping mechanism arranged at the top of the frame and used for positioning a zirconium alloy pipe 2, a purging mechanism arranged at the head end of the zirconium alloy pipe 2, a feeding mechanism arranged at two sides of the clamping mechanism and used for transferring the zirconium alloy pipe 2 to the clamping mechanism, and a discharging mechanism arranged at two sides of the clamping mechanism and used for removing the zirconium alloy pipe 2 from the clamping mechanism, wherein the frame comprises a support frame 1-1 and a fixing plate 1-2 horizontally arranged at the top end of the support frame 1-1; the clamping mechanism comprises a V-shaped driving supporting wheel 3 and a V-shaped driven supporting wheel 4 which are arranged on the top surface of the fixing plate 1-2 and are arranged on the same straight line at intervals, and a clamping component which is arranged on the top surface of the fixing plate 1-2 and is used for clamping and linearly moving the zirconium alloy pipe 2; the blow washing mechanism comprises a sponge ball supply assembly, a blow washing assembly arranged on the fixing plate 1-2 and a nozzle assembly positioned at the head end of the zirconium alloy pipe 2; the feeding mechanism comprises at least two feeding frames and feeding transmission parts which are arranged at intervals and are arranged on one side of the supporting frame 1-1, and the discharging mechanism comprises at least two discharging frames and discharging transmission parts which are arranged at intervals and are arranged on the other side of the supporting frame 1-1; the cleaning method comprises the following steps:
step one, feeding of a zirconium alloy pipe:
101, installing a limiting plate 20 on a first feeding frame in the direction in which the head end of the zirconium alloy pipe 2 extends to the tail end of the zirconium alloy pipe 2, and placing the zirconium alloy pipe 2 on the feeding frame to enable the end face of the head end of the zirconium alloy pipe 2 to be tightly attached to the side face of the limiting plate 20, wherein the number of the zirconium alloy pipes 2 is multiple;
102, transferring a zirconium alloy pipe 2 to a V-shaped driving supporting wheel 3 and a V-shaped driven supporting wheel 4 by using a feeding transmission part;
as shown in fig. 2 and fig. 3, in this embodiment, the cleaning device is provided with a clamping mechanism for positioning the zirconium alloy pipe 2 on the top of the frame, and a purging mechanism is provided at the head end of the zirconium alloy pipe 2, the frame includes a supporting frame 1-1 and a fixing plate 1-2, the fixing plate 1-2 is horizontally installed at the top end of the supporting frame 1-1, the supporting frame 1-1 can function as the fixing plate 1-2, the fixing plate 1-2 provides a stable and reliable installation space for the clamping mechanism, the clamping mechanism includes a V-shaped driving supporting wheel 3, a V-shaped driven supporting wheel 4 and a clamping assembly, wherein the number of the V-shaped driving supporting wheel 3 is one, the number of the V-shaped driven supporting wheels 4 can be one or multiple, and the V-shaped driving supporting wheel 3 and the multiple V-shaped driven supporting wheels 4 are arranged on the same straight line at intervals, at this time, the V-shaped driving supporting wheel 3 and the V-shaped driven supporting wheel 4 jointly form a supporting structure for supporting the zirconium alloy tube 2, when the zirconium alloy tube 2 is located on the V-shaped driving supporting wheel 3 and the V-shaped driven supporting wheel 4 in actual use, that is, the zirconium alloy tube 2 is located in both the V-shaped groove of the V-shaped driving supporting wheel 3 and the V-shaped groove of the V-shaped driven supporting wheel 4, at this time, the purpose of driving the zirconium alloy tube 2 to move linearly along the length direction of the zirconium alloy tube 2 by the V-shaped driving supporting wheel 3 can be achieved by rotating the V-shaped driving supporting wheel 3, but when cleaning the inner surface of the zirconium alloy tube 2, the zirconium alloy tube 2 must be clamped and fixed to avoid the movement and deflection of the zirconium alloy tube 2, therefore, by installing the clamping assembly on the fixing plates 1-2, the clamping assembly not only has the function of clamping the zirconium alloy tube 2, moreover, the zirconium alloy pipe 2 can be moved linearly on the premise of clamping the zirconium alloy pipe 2.
As shown in fig. 2, 3, 5 and 6, in this embodiment, a feeding mechanism and a discharging mechanism are respectively arranged on two sides of a clamping mechanism, the feeding mechanism includes a feeding frame and a feeding transmission part, at least two feeding frames are installed on one side of a support frame 1-1 at intervals, when in actual use, a zirconium alloy pipe 2 is horizontally placed on at least two feeding frames, the zirconium alloy pipe 2 can be transferred to a V-shaped driving support wheel 3 and a V-shaped driven support wheel 4 by using the feeding transmission part, the discharging mechanism includes a discharging frame and a discharging transmission part, at least two discharging frames are installed on the other side of the support frame 1-1 at intervals, when in actual use, after the zirconium alloy pipe 2 is cleaned, the zirconium alloy pipe 2 on the V-shaped driving support wheel 3 and the V-shaped driven support wheel 4 can be transferred to at least two discharging frames by using the discharging transmission part, in the process of loading and unloading, the zirconium alloy pipe 2 does not need to be moved manually by an operator, so that the labor intensity of the operator is greatly reduced.
In this embodiment, be provided with limiting plate 20, its aim at on the first work or material rest of going up of the orientation that the head end that is located zirconium alloy tubular product 2 extends to the tail end of zirconium alloy tubular product 2: can inject the initial position of zircaloy tubular product 2 on the work or material rest to guarantee the accuracy nature of 2 material loadings of zircaloy tubular product, need not adjust the material loading position of zircaloy tubular product 2 repeatedly.
Step two, linear movement and clamping of the zirconium alloy pipe:
step 201, driving a zirconium alloy pipe to move linearly by a V-shaped driving supporting wheel:
starting the V-shaped driving support wheel 3 to rotate, and driving the zirconium alloy pipe 2 to move linearly to one side close to the nozzle assembly by the V-shaped driving support wheel 3; the nozzle assembly comprises a third support 11 fixedly arranged on the fixing plate 1-2, a positioning block 7 arranged on the third support 11 and a nozzle 8 penetrating in the positioning block 7, a conical through hole 8-1 is formed in the nozzle 8, a nozzle mounting hole and a blowing pipe insertion hole coaxially communicated with the nozzle mounting hole are formed in the positioning block 7, a first nylon guide sleeve 9 matched with the small-diameter end of the conical through hole 8-1 and a second nylon guide sleeve 10 matched with the large-diameter end of the conical through hole 8-1 are respectively arranged at two ends of the nozzle 8, the first nylon guide sleeve 9 is positioned on the outer side of the positioning block 7, and the second nylon guide sleeve 10 is positioned in the positioning block 7; when the position detector 27 detects the position of the head end face of the zirconium alloy pipe 2, the V-shaped driving support wheel 3 stops rotating, and the zirconium alloy pipe 2 stops moving linearly to one side close to the nozzle assembly;
step 202, the clamping assembly drives the zirconium alloy pipe to be inserted into the first nylon guide sleeve:
starting the clamping assembly to clamp the zirconium alloy pipe 2, and inserting the head end of the zirconium alloy pipe 2 into the first nylon guide sleeve 9;
as shown in fig. 4 and 5, in the present embodiment, the blowing mechanism includes a sponge ball supply assembly, a blowing assembly and a nozzle assembly, the blowing assembly and the nozzle assembly are mounted on a fixing plate 1-2, the nozzle assembly is located between the blowing assembly and the clamping assembly, the nozzle assembly includes a third support 11, a positioning block 7 and a nozzle 8, the third support 11 is fixedly mounted on the fixing plate 1-2, the positioning block 7 is mounted on the third support 11, the nozzle 8 is inserted into the positioning block 7, a tapered through hole 8-1 is formed in the nozzle 8, the blowing assembly includes a second support 6-1, a second linear moving sliding table 6-2 and a blowing pipe 6-3, the second support 6-1 is fixedly mounted on the fixing plate 1-2, the second linear moving sliding table 6-2 is mounted on the second support 6-1, the blowing pipe 6-3 is mounted on the second linear moving sliding table 6-2, when the device is actually used, the second support 6-1 plays a role in supporting the second linear moving sliding table 6-2 and the injection pipe 6-3, the second linear moving sliding table 6-2 can drive the injection pipe 6-3 to linearly move, the positioning block 7 is provided with a nozzle mounting hole and an injection pipe insertion hole which is coaxially communicated with the nozzle mounting hole, the axis of the injection pipe 6-3 is coincident with the axis of the injection pipe insertion hole, in the process that the second linear moving sliding table 6-2 drives the injection pipe 6-3 to move towards one side close to the positioning block 7, the end part of the injection pipe 6-3 can be inserted into the injection pipe insertion hole, and a certain amount of sponge balls can be filled into the injection pipe insertion hole by using the sponge ball supply assembly, so that only compressed air needs to be injected into the injection pipe 6-3, namely, the certain amount of sponge balls in the injection pipe insertion hole can be blown into the zirconium alloy pipe 2 through the conical through hole 8-1 The blowing pipe insertion hole not only can play a role in matching with the blowing pipe 6-3, but also can play a role in accommodating a sponge ball.
As shown in fig. 4 and 5, in this embodiment, a first nylon guide sleeve 9 and a second nylon guide sleeve 10 are respectively installed at two ends of the nozzle 8, the first nylon guide sleeve 9 is matched with the small diameter end of the tapered through hole 8-1, the second nylon guide sleeve 10 is matched with the large diameter end of the tapered through hole 8-1, the first nylon guide sleeve 9 is located at the outer side of the positioning block 7, and the second nylon guide sleeve 10 is located inside the positioning block 7, so that: when the zirconium alloy pipe 2 is inserted into the small-diameter end of the nozzle 8, the first nylon guide sleeve 9 can seal the small-diameter ends of the zirconium alloy pipe 2 and the nozzle 8, the sealing performance between the small-diameter ends of the zirconium alloy pipe 2 and the nozzle 8 can be improved, the second nylon guide sleeve 10 can seal the large-diameter ends of the injection pipe 6-3 and the nozzle 8, the sealing performance between the large-diameter ends of the injection pipe 6-3 and the nozzle 8 can be improved, and when the injection assembly is used for injecting sponge balls into the zirconium alloy pipe 2, the phenomenon of air leakage cannot occur.
As shown in fig. 4 and 5, in this embodiment, two sliding blocks 12-1 are slidably mounted on a third support 11, two fixing blocks 12-2 are mounted on the third support 11, the fixing blocks 12-2 are connected with the sliding blocks 12-1 through a connecting rod 12-3, a spring 12-4 is sleeved on the connecting rod 12-3, a positioning block 7 is fixedly mounted on the two sliding blocks 12-1, and a sliding groove 11-1 matched with the sliding block 12-1 is formed in the third support 11.
In this embodiment, the positioning block 7 is fixedly mounted on the two sliders 12-1, and the connecting rod 12-3 is sleeved with the spring 12-4, so that the sliders 12-1, the connecting rod 12-3 and the spring 12-4 form an elastic connection structure at the bottom of the positioning block 7, and the elastic connection structure has the following functions: firstly, in the process of repeated injection, the end part of the injection tube 6-3 can be prevented from rigidly impacting the second nylon guide sleeve 10 for a plurality of times, the service life of the second nylon guide sleeve 10 can be prolonged, and secondly, after the end part of the injection tube 6-3 is contacted with the second nylon guide sleeve 10, the second nylon guide sleeve 10 can be tightly pressed on the end part of the injection tube 6-3 under the elastic action of the spring 12-4, so that the sealing performance between the injection tube 6-3 and the second nylon guide sleeve 10 is enhanced, and the using effect is good.
As shown in fig. 1 and 7, in the present embodiment, the V-shaped driving supporting wheel 3 is driven by a first driving motor 23, and the first driving motor 23, the first linear moving stage 5-2 and the pneumatic finger 5-3 are controlled by a microcontroller 21; through the input at microcontroller 21 connect position detector 27, V type initiative supporting wheel 3 drives zirconium alloy tubular product 2 to the in-process of being close to one side rectilinear movement of nozzle assembly, position detector 27 can detect the position of the head end terminal surface of zirconium alloy tubular product 2, when position detector 27 detects the head end terminal surface of zirconium alloy tubular product 2, position detector 27 will detect the position signal transmission of the head end terminal surface of zirconium alloy tubular product 2 who obtains to microcontroller 21, by microcontroller 21 control first driving motor 23 stall, V type initiative supporting wheel 3 stops to drive zirconium alloy tubular product 2 to the one side rectilinear movement that is close to the nozzle assembly, can realize carrying out automated control to the process that V type initiative supporting wheel 3 drives zirconium alloy tubular product 2 rectilinear movement, guarantee the motion precision of zirconium alloy tubular product 2.
As shown in fig. 3 and 4, in the present embodiment, the position detector 27 is an infrared emitter fixedly mounted on the third mount 11.
Step three, cleaning the inner surface of the zirconium alloy pipe:
301, filling a sponge ball into the positioning block 7 by using a sponge ball supply assembly;
step 302, blowing sponge balls in the positioning blocks 7 into the zirconium alloy pipe 2 by using a blowing assembly:
the blowing assembly comprises a second support 6-1 fixedly arranged on the fixing plate 1-2, a second linear moving sliding table 6-2 arranged on the second support 6-1 and a blowing pipe 6-3 arranged on the second linear moving sliding table 6-2, wherein the axis of the blowing pipe 6-3 is coincided with the axis of a blowing pipe insertion hole, and a compressed air supply pipe 15 is connected to the blowing pipe 6-3;
utilize the subassembly of jetting to blow in the sponge ball in the locating piece 7 the inside concrete process of zirconium alloy tubular product 2 includes: the second linear moving sliding table 6-2 drives the injection tube 6-3 to move linearly towards one side close to the positioning block 7, so that the end part of the injection tube 6-3 is gradually inserted into the injection tube insertion hole, and a sponge ball in the positioning block 7 is pushed into the conical through hole 8-1; after the end part of the blowing pipe 6-3 is tightly matched with the second nylon guide sleeve 10, the sponge balls in the conical through holes 8-1 are blown into the zirconium alloy pipe 2 by utilizing compressed air;
step 303, repeating step 301 and step 302 until reaching a cleaning frequency set value;
in this embodiment, the second linear moving stage 6-2 is controlled by the microcontroller 21.
Step four, unloading the zirconium alloy pipe:
step 401, pulling out the zirconium alloy pipe 2 from the inside of the first nylon guide sleeve 9 by using a clamping assembly, then loosening the zirconium alloy pipe 2 by using the clamping assembly, starting the V-shaped driving support wheel 3 to rotate reversely, driving the zirconium alloy pipe 2 to move linearly to one side far away from the nozzle assembly by using the V-shaped driving support wheel 3, and stopping the reverse rotation of the V-shaped driving support wheel 3 after the head end face of the zirconium alloy pipe 2 is separated from the clamping assembly;
and 402, transferring the zirconium alloy pipes 2 on the V-shaped driving supporting wheel 3 and the V-shaped driven supporting wheel 4 to a discharging frame by using a discharging transmission part.
As shown in fig. 5 and 8, in step 301, before filling a fixed amount of sponge balls into the positioning block 7 by using the sponge ball supply assembly, ethanol is injected into the zirconium alloy pipe 2 by using the blowing assembly and the nozzle assembly, and the specific process includes:
an ethanol supply pipe is connected to the injection pipe 6-3, the second linear moving sliding table 6-2 drives the injection pipe 6-3 to linearly move towards one side close to the positioning block 7 until the end of the injection pipe 6-3 is tightly matched with the second nylon guide sleeve 10, ethanol is injected into the injection pipe 6-3 through the ethanol supply pipe, the ethanol enters the zirconium alloy pipe 2 after flowing through the conical through hole 8-1, and the injection of the ethanol into the zirconium alloy pipe 2 is stopped after the ethanol is uniformly distributed on the inner surface of the zirconium alloy pipe 2.
As shown in fig. 5 and 8, in step 302, after the sponge ball in the tapered through hole 8-1 is blown into the zirconium alloy pipe 2 by using compressed air, the pressure gauge 22 is used to measure the pressure change in the compressed air supply pipe 15, and whether the sponge ball passes through the zirconium alloy pipe 2 smoothly is judged according to the pressure change in the compressed air supply pipe 15, when the pressure gauge 22 detects that the pressure in the compressed air supply pipe 15 is reduced to zero, the sponge ball passes through the zirconium alloy pipe 2, and step 303 is executed;
when the pressure gauge 22 detects that the pressure of the compressed air supply pipe 15 is not changed, it is indicated that the sponge ball does not pass through the zirconium alloy pipe 2, the sponge ball supply assembly stops filling the sponge ball into the positioning block 7, and the blowing assembly is adopted to continuously fill the compressed air into the zirconium alloy pipe 2 until the sponge ball in the zirconium alloy pipe 2 passes through the zirconium alloy pipe 2.
During the in-service use, connect pressure gauge 22 at microcontroller 21's input, utilize pressure gauge 22 to detect the interior gas pressure change of compressed air supply pipe 15, can be at microcontroller 21's output connection alarm, when pressure gauge 22 detects the pressure that obtains compressed air supply pipe 15 and does not change, microcontroller 21 control alarm reports to the police, sponge ball supply assembly stops to fill into the sponge ball in locating piece 7, and adopt the jetting subassembly to continue to fill into compressed air in to zirconium alloy tubular product 2, until the sponge ball in zirconium alloy tubular product 2 passes zirconium alloy tubular product 2, can avoid appearing the phenomenon that zirconium alloy tubular product 2 is blockked up by the sponge ball that does not pass.
As shown in fig. 2 and 4, the clamping assembly comprises a first support 5-1 fixedly installed on the fixed plate 1-2, a first linear moving sliding table 5-2 installed on the first support 5-1, and a pneumatic finger 5-3 installed on the first linear moving sliding table 5-2;
the specific process of using the clamping assembly to drive the zirconium alloy pipe 2 to be inserted into the first nylon guide sleeve 9 in the step 202 comprises the following steps: the zirconium alloy pipe 2 is clamped by a pneumatic finger 5-3, and then the first linear moving sliding table 5-2 drives the zirconium alloy pipe 2 to move linearly to one side close to the nozzle assembly until the head end of the zirconium alloy pipe 2 is inserted into the first nylon guide sleeve 9.
In the embodiment, as shown in fig. 2 and 3, the structure of the feeding transmission part and the structure of the discharging transmission part are the same, and the feeding transmission part and the discharging transmission part each include at least two rotating shafts 18 coaxially connected and a material taking assembly disposed between two adjacent rotating shafts 18.
As shown in FIG. 3, in the embodiment, the material taking assembly comprises a mounting base 19-1 fixedly mounted on the frame, a deflecting plate 19-3 mounted on the rotating shaft 18 and a V-shaped material taking block 19-4 fixedly mounted on the deflecting plate 19-3, wherein the rotating shaft 18 and the deflecting plate 19-3 are in transmission connection through a synchronous belt 19-2.
As shown in fig. 2 and 8, the rotating shaft 18 of the feeding transmission part is driven by a second driving motor 24, the rotating shaft 18 of the discharging transmission part is driven by a third driving motor 25, and both the second driving motor 24 and the third driving motor 25 are controlled by the microcontroller 21.
In this embodiment, the process of transferring the zirconium alloy pipe 2 on the feeding frame to the V-shaped driving supporting wheel 3 and the V-shaped driven supporting wheel 4 by using the feeding transmission component is as follows: the microcontroller 21 controls the second driving motor 24 to rotate, the second driving motor 24 drives at least two rotating shafts 18 of the feeding transmission part to rotate simultaneously, the deflection plate 19-3 can rotate around the rotating shafts 18 under the transmission action of the synchronous belt 19-2, and as the V-shaped material taking block 19-4 is fixedly arranged at one end of the deflection plate 19-3 and the opening direction of the V-shaped groove of the V-shaped material taking block 19-4 faces, the V-shaped material taking block 19-4 of the feeding transmission part can transfer the zirconium alloy pipe 2 on the feeding frame to the V-shaped driving support wheel 3 and the V-shaped driven support wheel 4 in the process that the deflection plate 19-3 rotates around the rotating shafts 18.
In this embodiment, the process of transferring the zirconium alloy tube 2 on the V-shaped driving supporting wheel 3 and the V-shaped driven supporting wheel 4 to the discharging frame by using the discharging transmission component is as follows: the third driving motor 25 of the microcontroller 21 rotates, the third driving motor 25 drives at least two rotating shafts 18 of the unloading transmission part to rotate simultaneously, the deflection plate 19-3 can rotate around the rotating shafts 18 under the transmission action of the synchronous belt 19-2, the V-shaped material taking block 19-4 of the unloading transmission part can transfer the zirconium alloy pipe 2 on the V-shaped driving supporting wheel 3 and the V-shaped driven supporting wheel 4 to an unloading frame in the process that the deflection plate 19-3 rotates around the rotating shafts 18, the structure of the loading transmission part and the unloading transmission part is ingenious, the transmission is stable, the zirconium alloy pipe 2 does not need to be manually moved in the loading and unloading process, the phenomenon that the zirconium alloy pipe 2 falls can not occur, and the use effect is good.
As shown in fig. 6, in the present embodiment, the feeding rack includes a first horizontal rod 16-1 fixedly installed on the supporting frame 1-1, a first vertical rod 16-2 and a second vertical rod 16-3 vertically installed on the first horizontal rod 16-1, and a first supporting rod 16-4 installed at the top ends of the first vertical rod 16-2 and the second vertical rod 16-3, the first vertical rod 16-2 is located at a side close to the supporting frame 1-1, the height of the second vertical rod 16-3 is higher than that of the first vertical rod 16-2, and two limit pins 16-5 are installed on the first supporting rod 16-4.
In this embodiment, since the first support rod 16-4 is installed at the top ends of the first upright 16-2 and the second upright 16-3, the height of the second upright stanchion 16-3 is higher than that of the first upright stanchion 16-2, the first upright stanchion 16-2 is positioned at one side close to the supporting frame 1-1, therefore, the first supporting rod 16-4 is inclined downwards along the approaching direction of the supporting frame 1-1, by mounting two limit pins 16-5 on the first support bar 16-4, when placing a plurality of zirconium alloy tubular products 2 on the material loading frame, two spacer pins 16-5 can prescribe a limit to the position of placing of a plurality of zirconium alloy tubular products 2, can avoid a plurality of zirconium alloy tubular products 2 to drop from the material loading frame, and the material taking assembly of the material loading transmission part of being convenient for obtains a zirconium alloy tubular product 2 from a plurality of zirconium alloy tubular products 2 on the material loading frame and removes.
As shown in FIG. 7, in this embodiment, the discharging rack comprises a second horizontal rod 17-1 fixedly installed on the supporting frame 1-1, a first vertical rod 17-2 and a second vertical rod 17-3 vertically installed on the second horizontal rod 17-1, and a second supporting rod 17-4 installed at the top end of the first vertical rod 17-2 and the second vertical rod 17-3, the first vertical rod 17-2 is located at one side close to the supporting frame 1-1, the height of the first vertical rod 17-2 is higher than that of the second vertical rod 17-3, and a stop 17-5 is installed on the second supporting rod 17-4.
In this embodiment, the second support rod 17-4 is installed at the top ends of the first vertical rod 17-2 and the second vertical rod 17-3, the height of the first vertical rod 17-2 is higher than that of the second vertical rod 17-3, and the first vertical rod 17-2 is located on one side close to the support frame 1-1, so that the second support rod 17-4 is in a downward inclined state along the direction away from the support frame 1-1, and by installing the stop block 17-5 on the second support rod 17-4, the purpose of limiting the placement position of the zirconium alloy pipe 2 on the discharging frame can be achieved, and the zirconium alloy pipe 2 is prevented from falling off from the discharging frame.
As shown in fig. 2, 4 and 8, in the embodiment, the sponge ball supply assembly comprises a vibration disk 13-1 and a sponge ball delivery pipe 13-2 connected to the outlet end of the vibration disk 13-1, and the positioning block 7 is provided with a sponge ball delivery pipe insertion hole vertically communicated with the injection pipe insertion hole; the vibrating disk 13-1 is driven by a fourth drive motor 26, the fourth drive motor 26 being controlled by the microcontroller 21.
As shown in FIG. 2, in this embodiment, a sponge ball recovery pipe 14-1 is sleeved at the tail end of the zirconium alloy pipe 2, and the sponge ball recovery pipe 14-1 is communicated with a recovery box 14-2.
In actual use, in step 302, when the sponge balls in the tapered through holes 8-1 are blown into the zirconium alloy pipe 2 by using compressed air, the sponge balls passing through the zirconium alloy pipe 2 can be collected by using the sponge ball recovery pipe 14-1 and the recovery box 14-2.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiments according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (4)
1. A method for cleaning the inner surface of a zirconium alloy pipe is characterized by comprising the following steps: the cleaning device adopted by the method comprises a rack, a clamping mechanism which is arranged at the top of the rack and used for positioning the zirconium alloy pipe (2), a purging mechanism which is arranged at the head end of the zirconium alloy pipe (2), a feeding mechanism which is respectively arranged at two sides of the clamping mechanism and used for transferring the zirconium alloy pipe (2) to the clamping mechanism, and a discharging mechanism which is used for removing the zirconium alloy pipe (2) from the clamping mechanism, wherein the rack comprises a support frame (1-1) and a fixing plate (1-2) which is horizontally arranged at the top end of the support frame (1-1); the clamping mechanism comprises a V-shaped driving supporting wheel (3) and a V-shaped driven supporting wheel (4) which are arranged on the top surface of the fixing plate (1-2) at intervals and arranged on the same straight line, and a clamping assembly which is arranged on the top surface of the fixing plate (1-2) and used for clamping and linearly moving the zirconium alloy pipe (2); the purging mechanism comprises a sponge ball supply assembly, a blowing assembly arranged on the fixing plate (1-2) and a nozzle assembly positioned at the head end of the zirconium alloy pipe (2); the feeding mechanism comprises at least two feeding frames and feeding transmission parts which are arranged at intervals and are arranged on one side of the supporting frame (1-1), and the discharging mechanism comprises at least two discharging frames and discharging transmission parts which are arranged at intervals and are arranged on the other side of the supporting frame (1-1); the cleaning method comprises the following steps:
step one, feeding of a zirconium alloy pipe:
101, installing a limiting plate (20) on a first feeding frame in the direction in which the head end of a zirconium alloy pipe (2) extends to the tail end of the zirconium alloy pipe (2), placing the zirconium alloy pipe (2) on the feeding frame, and enabling the end face of the head end of the zirconium alloy pipe (2) to be tightly attached to the side face of the limiting plate (20), wherein the number of the zirconium alloy pipes (2) is multiple;
102, transferring a zirconium alloy pipe (2) to the V-shaped driving supporting wheel (3) and the V-shaped driven supporting wheel (4) by using a feeding transmission part;
step two, linear movement and clamping of the zirconium alloy pipe:
step 201, driving a zirconium alloy pipe to move linearly by a V-shaped driving supporting wheel:
starting the V-shaped driving support wheel (3) to rotate, and driving the zirconium alloy pipe (2) to move linearly to one side close to the nozzle assembly by the V-shaped driving support wheel (3); the nozzle component comprises a third support (11) fixedly arranged on the fixing plate (1-2), a positioning block (7) arranged on the third support (11) and a nozzle (8) arranged in the positioning block (7) in a penetrating way, a conical through hole (8-1) is arranged in the nozzle (8), a nozzle mounting hole and a blowing pipe insertion hole which is coaxially communicated with the nozzle mounting hole are arranged on the positioning block (7), a first nylon guide sleeve (9) matched with the small diameter end of the conical through hole (8-1) and a second nylon guide sleeve (10) matched with the large diameter end of the conical through hole (8-1) are respectively arranged at two ends of the nozzle (8), the first nylon guide sleeve (9) is positioned at the outer side of the positioning block (7), the second nylon guide sleeve (10) is positioned inside the positioning block (7); when the position detector (27) detects the position of the head end face of the zirconium alloy pipe (2), the V-shaped driving support wheel (3) stops rotating, and the zirconium alloy pipe (2) stops moving linearly to one side close to the nozzle assembly;
step 202, the clamping assembly drives the zirconium alloy pipe to be inserted into the first nylon guide sleeve:
starting the clamping assembly to clamp the zirconium alloy pipe (2), and inserting the head end of the zirconium alloy pipe (2) into the first nylon guide sleeve (9);
step three, cleaning the inner surface of the zirconium alloy pipe:
301, filling a sponge ball into the positioning block (7) by using a sponge ball supply assembly;
step 302, blowing sponge balls in the positioning blocks (7) into the zirconium alloy pipe (2) by using a blowing component:
the blowing assembly comprises a second support (6-1) fixedly mounted on a fixing plate (1-2), a second linear moving sliding table (6-2) mounted on the second support (6-1) and a blowing pipe (6-3) mounted on the second linear moving sliding table (6-2), the axis of the blowing pipe (6-3) is overlapped with the axis of a blowing pipe insertion hole, and a compressed air supply pipe (15) is connected to the blowing pipe (6-3);
utilize the subassembly of jetting to blow in the sponge ball in locating piece (7) zirconium alloy tubular product (2) inside concrete process includes: the second linear moving sliding table (6-2) drives the injection tube (6-3) to move linearly towards one side close to the positioning block (7), so that the end part of the injection tube (6-3) is gradually inserted into the injection tube insertion hole, and a sponge ball in the positioning block (7) is pushed into the conical through hole (8-1); after the end part of the blowing pipe (6-3) is tightly matched with the second nylon guide sleeve (10), sponge balls in the conical through holes (8-1) are blown into the zirconium alloy pipe (2) by utilizing compressed air;
step 303, repeating step 301 and step 302 until reaching a cleaning frequency set value;
step four, unloading the zirconium alloy pipe:
step 401, pulling out the zirconium alloy pipe (2) from the inside of the first nylon guide sleeve (9) by using a clamping assembly, then loosening the zirconium alloy pipe (2) by using the clamping assembly, starting the V-shaped driving support wheel (3) to rotate reversely, driving the zirconium alloy pipe (2) to linearly move towards one side far away from the nozzle assembly by using the V-shaped driving support wheel (3), and stopping the reverse rotation of the V-shaped driving support wheel (3) after the head end face of the zirconium alloy pipe (2) is separated from the clamping assembly;
402, transferring the zirconium alloy pipes (2) on the V-shaped driving supporting wheel (3) and the V-shaped driven supporting wheel (4) to a discharging frame by using a discharging transmission part;
the clamping assembly comprises a first support (5-1) fixedly mounted on the fixing plate (1-2), a first linear moving sliding table (5-2) mounted on the first support (5-1) and a pneumatic finger (5-3) mounted on the first linear moving sliding table (5-2);
the specific process that the clamping assembly is utilized to drive the zirconium alloy pipe (2) to be inserted into the first nylon guide sleeve (9) in the step 202 comprises the following steps: firstly clamping the zirconium alloy pipe (2) by a pneumatic finger (5-3), and then driving the zirconium alloy pipe (2) to move linearly to one side close to the nozzle assembly by the first linear moving sliding table (5-2) until the head end of the zirconium alloy pipe (2) is inserted into the first nylon guide sleeve (9);
the structure of the feeding transmission part is the same as that of the discharging transmission part, and the feeding transmission part and the discharging transmission part respectively comprise at least two rotating shafts (18) which are coaxially connected and a material taking assembly arranged between every two adjacent rotating shafts (18);
the material taking assembly comprises a mounting seat (19-1) fixedly mounted on the rack, a deflection plate (19-3) mounted on the rotating shaft (18) and a V-shaped material taking block (19-4) fixedly mounted on the deflection plate (19-3), and the rotating shaft (18) is in transmission connection with the deflection plate (19-3) through a synchronous belt (19-2);
the sponge ball supply assembly comprises a vibration disc (13-1) and a sponge ball conveying pipe (13-2) connected to the outlet end of the vibration disc (13-1), and a sponge ball conveying pipe insertion hole vertically communicated with the blowing pipe insertion hole is formed in the positioning block (7);
the V-shaped driving supporting wheels (3) and the V-shaped driven supporting wheels (4) are arranged on the same straight line at intervals, the V-shaped driving supporting wheels (3) and the V-shaped driven supporting wheels (4) jointly form a supporting structure for supporting the zirconium alloy pipe (2), when the zirconium alloy pipe (2) is positioned on the V-shaped driving supporting wheels (3) and the V-shaped driven supporting wheels (4), namely the zirconium alloy pipe (2) is positioned in a V-shaped groove of the V-shaped driving supporting wheels (3) and a V-shaped groove of the V-shaped driven supporting wheels (4) at the same time, as long as the V-shaped driving supporting wheels (3) are rotated, the purpose that the zirconium alloy pipe (2) is driven by the V-shaped driving supporting wheels (3) to linearly move along the length direction of the zirconium alloy pipe (2) can be realized, when the inner surface of the zirconium alloy pipe (2) is cleaned, the zirconium alloy pipe (2) must be clamped and fixed, avoid zirconium alloy tubular product (2) to take place to remove and deflect, through install the centre gripping subassembly on fixed plate (1-2), the centre gripping subassembly not only has the function of centre gripping zirconium alloy tubular product (2), can follow rectilinear movement zirconium alloy tubular product (2) under the prerequisite of centre gripping zirconium alloy tubular product (2).
2. The method for cleaning the inner surface of the zirconium alloy pipe as recited in claim 1, wherein: in the step 301, before quantitative sponge balls are filled into the positioning block (7) by the sponge ball supply assembly, ethanol is injected into the zirconium alloy pipe (2) by the blowing assembly and the nozzle assembly, and the specific process comprises the following steps:
an ethanol supply pipe is connected to the injection pipe (6-3), the second linear moving sliding table (6-2) drives the injection pipe (6-3) to linearly move towards one side close to the positioning block (7) until the end part of the injection pipe (6-3) is tightly matched with the second nylon guide sleeve (10), ethanol is injected into the injection pipe (6-3) through the ethanol supply pipe, the ethanol flows through the conical through hole (8-1) and then enters the zirconium alloy pipe (2), and after the ethanol is uniformly distributed on the inner surface of the zirconium alloy pipe (2), the injection of the ethanol into the zirconium alloy pipe (2) is stopped.
3. The method for cleaning the inner surface of the zirconium alloy pipe as recited in claim 1, wherein: in step 302, after the sponge ball in the conical through hole (8-1) is blown into the zirconium alloy pipe (2) by using compressed air, a pressure gauge (22) is used for measuring the pressure change in the compressed air supply pipe (15), whether the sponge ball smoothly passes through the zirconium alloy pipe (2) is judged according to the pressure change in the compressed air supply pipe (15), and when the pressure gauge (22) detects that the pressure of the compressed air supply pipe (15) is reduced to zero, the sponge ball is indicated to have passed through the zirconium alloy pipe (2), and step 303 is executed;
when the pressure gauge (22) detects that the pressure of the compressed air supply pipe (15) is not changed, the fact that the sponge ball does not penetrate through the zirconium alloy pipe (2) is indicated, the sponge ball supply assembly stops filling the sponge ball into the positioning block (7), the blowing assembly is adopted to continuously fill the compressed air into the zirconium alloy pipe (2), and the sponge ball in the zirconium alloy pipe (2) penetrates through the zirconium alloy pipe (2).
4. The method for cleaning the inner surface of the zirconium alloy pipe as recited in claim 1, wherein: the tail end of the zirconium alloy pipe (2) is sleeved with a sponge ball recovery pipe (14-1), and the sponge ball recovery pipe (14-1) is communicated with a recovery box (14-2).
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| CN113546972A (en) * | 2021-06-10 | 2021-10-26 | 西北锆管有限责任公司 | Sponge blowing device and system for cleaning inner wall of pipe |
| CN114406788A (en) * | 2022-01-25 | 2022-04-29 | 深圳市海思科自动化技术有限公司 | Cleaning equipment |
| CN114833730B (en) * | 2022-04-24 | 2023-10-10 | 国核宝钛锆业股份公司 | Sand blasting device and method for zirconium alloy pipe |
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Address after: 710299 No. 19, east section of Jinggao North Road, Jingwei new town, Xi'an Economic and Technological Development Zone, Xi'an City, Shaanxi Province Patentee after: Xi'an Western New Zirconium Technology Co.,Ltd. Address before: No.19, east section of Jinggao North Road, new material industrial park, Jingwei new town, Xi'an Economic and Technological Development Zone, Xi'an City, Shaanxi Province Patentee before: WESTERN ENERGY MATERIAL TECHNOLOGIES CO.,LTD. |