CN111775057A - Quantitative sand blasting device - Google Patents
Quantitative sand blasting device Download PDFInfo
- Publication number
- CN111775057A CN111775057A CN202010684818.5A CN202010684818A CN111775057A CN 111775057 A CN111775057 A CN 111775057A CN 202010684818 A CN202010684818 A CN 202010684818A CN 111775057 A CN111775057 A CN 111775057A
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- Prior art keywords
- sand
- pipe
- quantitative
- section
- screw rod
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
- B24C7/0046—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
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- Engineering & Computer Science (AREA)
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Abstract
The invention provides a quantitative sand blasting device, which comprises a supporting part, a storage part, a spraying part and a control system, wherein the supporting part is connected with the storage part, and the storage part is connected with the spraying part; the supporting part includes the three-dimensional support, is equipped with the slide on the three-dimensional support, and the slide is connected to the slider, is connected with the mounting panel on the slider, the storage portion includes urceolus and inner tube, and the inner tube is used for storing the sand ball, and the urceolus cover is established in the inner tube outside, and urceolus and inner tube base are all installed on the mounting panel, install pipeline in the mounting panel bottom, and the pipeline bottom is connected with jet-propelled pipe, and the injection portion includes jet-propelled pipe, air supply, spray gun, jet-propelled pipe is three-way pipe structure, and its bypass pipe is connected to. The invention can realize the effect of spraying the armored thermocouple to remove the magnesia powder, and simultaneously, the invention can realize the control of the sand spraying amount through the quantitative control mechanism, thereby avoiding the waste of sand shots and reducing the recycling work intensity.
Description
Technical Field
The invention relates to the field of processing tools, in particular to a sand blasting mechanism, and particularly discloses a quantitative sand blasting device.
Background
The armored thermocouple is a solid whole formed by combining a stainless steel protection tube, magnesium oxide powder and thermocouple wire materials and then compacting the combination by a die, and in the production process of the armored thermocouple, the magnesium oxide powder wrapping a core wire needs to be separated firstly to enable the core wire to be exposed for a certain length, so that the next parallel welding can be carried out. The method for separating the magnesium oxide powder wrapping the core wire in the current market is manual operation, the powder is removed in the prior art by manual or mechanical tamping and other modes, but the methods consume time and energy, damage the stainless steel protection tube and the magnesium oxide powder easily, and are not beneficial to achieving accurate quantitative removal of the magnesium oxide powder.
Disclosure of Invention
The invention aims to provide a quantitative sand blasting device, which can realize the effect of spraying an armored thermocouple to remove magnesium oxide powder through the sand blasting device, and meanwhile, can realize the control of sand blasting amount through a quantitative control mechanism, avoid the waste of sand shots and reduce the recovery working strength.
The technical scheme of the invention is as follows:
a quantitative sand blasting device comprises a supporting part, a storage part, a spraying part and a control system, wherein the supporting part is connected with the storage part, and the storage part is connected with the spraying part;
the supporting part includes the three-dimensional support, is equipped with the slide on the three-dimensional support, the slide is connected to the slider, be connected with the mounting panel on the slider, the storage portion includes urceolus and inner tube, the urceolus is the tubular structure that the top was equipped with the lid, the inner tube is the tubular structure who has the base, this base middle part is equipped with the hole, as foraminiferous base, the inner tube is used for storing the sand ball, the urceolus cover is established in the inner tube outside, and keep certain clearance, urceolus and inner tube base are all installed on the mounting panel, be equipped with the hole bottom the mounting panel, install pipeline in the hole, the pipeline bottom is connected with jet-propelled pipe, the hole of inner tube base communicates jet-propelled pipe, injection portion is including jet-propelled pipe, air supply, spray gun.
Furthermore, a rotating motor is arranged above the top of the outer barrel, a hole is formed in the middle of the top cover of the outer barrel, a screw rod is arranged below the rotating motor, the screw rod extends into the hole of the base of the inner barrel after penetrating through the hole of the top cover of the outer barrel and keeps a distance which is not less than the diameter of the sand balls with the top of the conveying pipeline, and the large diameter of the screw rod is in clearance fit with the hole of the base of the inner barrel.
Furthermore, the main body part of the screw rod is a polished rod, the bottom of the polished rod is a screw rod thread section, the screw rod thread section is provided with trapezoidal threads, and the screw pitch of the screw rod is larger than the diameter of the sand balls.
Furthermore, a heating device is arranged in a gap between the outer cylinder and the inner cylinder.
Furthermore, the conveying pipeline is of a T-shaped section structure, a flow channel of the conveying pipeline comprises an upper part and a lower part, the upper part is a thin pipe with the diameter larger than that of the sand pills, the lower part is an hourglass-shaped pipe section, the large diameter of the upper half section of the hourglass-shaped pipe section is the same as that of the thin pipe, the large diameter of the lower half section is more than twice of the diameter of the thin pipe and smaller than the inner diameter of a bypass pipe of the gas ejector pipe, external threads are arranged on the outer side of the bottom of the conveying pipeline, and internal threads are arranged on the inner side of.
Further, the inner cylinder base is provided with two circles of threaded counter bores with different models, the mounting plate is provided with through holes corresponding to the outer circle threaded counter bores, the inner cylinder is fixed on the mounting plate through bolts, the through holes corresponding to the threaded counter bores of the inner ring of the inner cylinder base are arranged on the outer side of the upper half section of the T-shaped cross section of the conveying pipeline, and the conveying pipeline is fixed on the inner cylinder base through bolts.
Furthermore, the air injection pipe is of a three-way structure, two ends of the straight pipe section are respectively connected with a hose, the straight pipe section and the bypass pipe are of non-vertical structures, the hose on the side with the smaller included angle is connected to an air source, and the hose on the side with the larger included angle is connected to a spray gun.
Furthermore, the front end of the spray gun is provided with a nozzle, the outlet of the nozzle is conical, sand balls can be gathered, the nozzle is just opposite to the end face of the armored thermocouple, and the spray gun is an automatic spray gun.
Furthermore, the top of the slide way is provided with a sliding motor which is used for controlling the sliding block to move up and down.
A use method of a quantitative sand blasting device comprises the following steps:
s1, placing the sand shots into the inner cylinder, installing the inner cylinder and the outer cylinder, adjusting the position of the sliding block, adjusting the temperature of the sand shots through a heating device, connecting the spray gun, aligning the nozzle to the armored thermocouple, setting the sand blasting amount by a control system according to the requirement, and completing the preparation work;
s2, starting a spray gun and an air source, controlling a rotating motor through a control system, rotationally conveying quantitative sand balls into a conveying pipeline through a screw rod, temporarily storing the sand balls in a part above an hourglass pipe section of the conveying pipeline, blowing the sand balls to form jet flow through compressed air of the air source when sand blasting is needed, sucking out the sand balls in the hourglass pipe section through negative pressure formed by the jet flow, impacting a processing section of an armored thermocouple, crushing and separating magnesium oxide powder, and exposing a proper core wire length.
Has the advantages that:
according to the method, the control system calculates how many sand shots are needed to separate the magnesia powder wrapping the core wire according to the type of the armored thermocouple to be processed, the length of the exposed core wire meets the requirement, then the servo motor can be used for accurately positioning, the lead screw and the inner layer charging barrel are driven to push the calculated equivalent sand shots into the conveying pipeline, then the compressed gas is used for spraying the sand shots in the pipeline to the processing end face of the armored thermocouple through the special sand-blasting head, and the exposed length of the core wire at the tail end of the magnesia powder is controlled and separated through the quantity of the sprayed sand shots.
The quantitative control device has the advantages of simple structure, accurate control quantity, convenient operation, reduction of technical requirements on operators, capability of changing the use environment according to requirements and wide application range, and is used for realizing quantitative control.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a front view of the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a schematic diagram of an embodiment of the present invention;
FIG. 4 is a diagram of a blasting process;
FIG. 5 is a cross-sectional view of a sand storage tank.
In the figure:
1 three-dimensional bracket, 2 slideways, 3 sliding motors, 4 sliding blocks, 5 rotating motors, 6 lead screws, 7 outer cylinders, 8 mounting plates, 9 conveying pipelines, 10 gas injection pipes, 11 inner cylinders, 12 gas inlet hoses, 13 gas outlet hoses, 14 spray guns, 15 nozzles, 16 armored thermocouples, 17 sand pills, a spray gun,
601 a screw thread section of a screw rod,
1101 an inner cylinder base.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-5, a quantitative sand blasting device comprises a supporting part, a storage part, a spraying part and a control system, wherein the supporting part is connected with the storage part, and the storage part is connected with the spraying part; the supporting part comprises a three-dimensional support 1, the three-dimensional support 1 is generally vertically arranged, a vertical slide way 2 is arranged on the three-dimensional support 1, the slide way 2 is connected to a slide block 4, a sliding motor 3 is arranged at the top of the slide way 2, the sliding motor 3 is used for controlling the up-down movement of the slide block 4, a mounting plate 8 is connected onto the slide block 4, the storage part comprises an outer barrel 7 and an inner barrel 11, the outer barrel 7 is of a barrel-shaped structure with a cover at the top, the inner barrel 11 is of a barrel-shaped structure with a base, a hole is formed in the middle of the base and serves as a base with a hole, the inner barrel 11 is used for storing sand balls 17, the outer barrel 7 is sleeved on the. Outer cylinder 7 and inner tube base 1101 all install on mounting panel 8, are equipped with the hole in mounting panel 8 bottom, and the hole diameter of mounting panel 8 bottom is greater than the hole of foraminiferous base, installs pipeline 9 downthehole, and pipeline 9 bottom is connected with jet-propelled pipe 10, and the hole of inner tube base 1101 communicates jet-propelled pipe 10, and the injection portion includes jet-propelled pipe 10, air supply, spray gun 14, jet-propelled pipe 10 is three-way pipe structure, and its bypass pipe is connected to pipeline 9, and the both ends of its straight tube section have air supply and spray gun 14 through hose connection respectively, and the hose of being connected with the air supply is air inlet hose 12, and the hose of being connected with spray gun 14 is air outlet hose 13, and the hose adopts cold and hot bellows, ensures sealed and internal strength, avoids being damaged by.
A rotating motor 5 is arranged above the top of the outer cylinder 7, a support is arranged outside the rotating motor 5, the rotating motor 5 is fixed above the outer cylinder 7 through the support and is kept stable in the working process of the rotating motor 5, a hole is arranged in the middle of a top cover of the outer cylinder 7, a screw rod 6 is arranged below the rotating motor 5, the screw rod 6 extends into a hole of an inner cylinder base 1101 after penetrating through the hole of the top cover of the outer cylinder 7, the main part of the screw rod 6 is a polished rod, the bottom of the screw rod is a screw rod thread section 601, the screw rod thread section 601 is provided with trapezoidal threads, the screw pitch of the screw rod 6 is larger than the diameter of the sand balls 17, the screw rod thread section 601 is arranged in the hole of the inner cylinder base 1101 and keeps a distance which is not smaller than the diameter of the sand balls 17 with the top of the conveying pipeline 9, when the screw rod 6 rotates, the sand balls 17 enter the screw rod thread section 601 from the main, that is, the screw thread section 601 rotates rightwards according to the direction of fig. 5, and the large diameter of the screw 6 is in clearance fit with the hole of the inner cylinder base 1101.
The conveying pipeline 9 is of a T-shaped section structure, a flow channel of the conveying pipeline comprises an upper portion and a lower portion, the upper portion is a thin pipe with the diameter larger than that of the sand pill 17, the lower portion is an hourglass-shaped pipe section, the large diameter of the upper half section of the hourglass-shaped pipe section is the same as that of the thin pipe, the large diameter of the lower half section is more than twice of the diameter of the thin pipe and smaller than the inner diameter of a bypass pipe of the air ejector 10, external threads are arranged on the outer side of the bottom of the conveying pipeline 9, internal threads are arranged on the inner side of.
The gas injection pipe 10 is of a three-way structure, two ends of a straight pipe section are respectively connected with a hose, the straight pipe section and a bypass pipe are of non-vertical structures, the hose on the side with the smaller included angle is connected to a gas source, and the hose on the side with the larger included angle is connected to a spray gun 14. The utility model discloses a sand shot spraying device, including spray gun 14, spray gun 15, nozzle 15, spray gun 14, spray gun can adopt the arbitrary model that satisfies the demand on the market, can artifically hand in the use, also can use fixed spray gun, realizes the injection to the sand shot, spray gun 15 is equipped with nozzle 15, and the export of nozzle 15 is the toper, can let sand shot 17 assemble and draw in, and nozzle 15 is just using to the terminal surface of armor thermocouple 16, and spray gun 14 is automatic spray gun, and automatic spray.
The control system is connected to the sliding motor 3, the rotating motor 5, the heating device and the air source, a calculation algorithm is arranged in the control system, the length of the core wire is exposed as required, the required quantity of the sand shots 17 is set, and then the number of turns of the rotating motor 5 for driving the screw rod 6 to rotate is adjusted.
The sliding motor 3, the rotating motor 5, the heating device and the air source can be of common models on the market, for example, the sliding motor 3 can adopt FFC100 series, the rotating motor 5 can adopt 28p395 type, the heating device can adopt a resistance wire heater, the air source can adopt any air source such as VF206 compressed air machine, and the control system can adopt any industrial personal computer to realize the requirements.
In some cases, the quantitative output of the sand pill 17 can be realized by manually controlling the number of turns of the rotating motor 5 in a manual operation mode.
The invention provides a quantitative sand blasting device, which comprises the following steps:
s1, placing the sand shot 17 into the inner cylinder 11, installing the inner cylinder 11 and the outer cylinder 7, adjusting the position of the sliding block 4, adjusting the temperature of the sand shot 17 through a heating device to ensure that the sand shot 17 is in the most suitable impact state, connecting the spray gun 14, aligning the nozzle 15 with the fixed armored thermocouple 16, setting the sand blasting amount according to the requirement by a control system, and completing the preparation work;
s2, starting the spray gun 14 and the air source, controlling the rotating motor 5 through the control system, rotationally conveying a certain amount of sand balls 17 into the conveying pipeline through the screw rod 6, temporarily storing the sand balls in the part above the hourglass pipe section of the conveying pipeline 9, blowing the sand balls 17 through compressed air of the air source to form jet flow when sand blasting is needed, sucking out the sand balls 17 in the hourglass pipe section through negative pressure formed by the jet flow in a bypass pipe, impacting the processing section of the armored thermocouple 16 as shown in fig. 4, crushing and separating magnesium oxide powder, exposing proper core wire length, and facilitating later-stage welding processing.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and additions can be made without departing from the principle of the present invention, and these should also be considered as the protection scope of the present invention.
Claims (10)
1. The quantitative sand blasting device is characterized by comprising a supporting part, a storage part, a spraying part and a control system, wherein the supporting part is connected with the storage part, and the storage part is connected with the spraying part;
the supporting part includes the three-dimensional support, is equipped with the slide on the three-dimensional support, the slide is connected to the slider, be connected with the mounting panel on the slider, the storage portion includes urceolus and inner tube, the urceolus is the tubular structure that the top was equipped with the lid, the inner tube is the tubular structure who has the base, this base middle part is equipped with the hole, as foraminiferous base, the inner tube is used for storing the sand ball, the urceolus cover is established in the inner tube outside, and keep certain clearance, urceolus and inner tube base are all installed on the mounting panel, be equipped with the hole bottom the mounting panel, install pipeline in the hole, the pipeline bottom is connected with jet-propelled pipe, the hole of inner tube base communicates jet-propelled pipe, injection portion is including jet-propelled pipe, air supply, spray gun.
2. The quantitative sand blasting device as claimed in claim 1, wherein a rotary motor is arranged above the top of the outer cylinder, a hole is arranged in the middle of the top cover of the outer cylinder, a screw rod is arranged below the rotary motor, the screw rod extends into the hole of the base of the inner cylinder after passing through the hole of the top cover of the outer cylinder and keeps a distance which is not less than the diameter of the sand shot from the top of the conveying pipeline, and the large diameter of the screw rod is in clearance fit with the hole of the base of the inner cylinder.
3. The quantitative sand blasting device as claimed in claim 2, wherein the main body part of the screw rod is a polished rod, the bottom part of the screw rod is a screw rod thread section, the screw rod thread section is provided with trapezoidal threads, and the screw rod thread section has a thread pitch larger than the diameter of the sand shots.
4. A quantitative blasting apparatus as claimed in claim 3, wherein heating means are provided in the gap between the outer and inner barrels.
5. The quantitative sand blasting device according to claim 4, wherein the delivery pipe has a T-shaped cross section, the flow passage comprises an upper portion and a lower portion, the upper portion is a thin pipe with a diameter larger than that of the sand ball, the lower portion is an hourglass-shaped pipe section, the large diameter of the upper half section of the hourglass-shaped pipe section is the same as that of the thin pipe, the large diameter of the lower half section is more than twice the diameter of the thin pipe but smaller than the inner diameter of the bypass pipe of the air ejector pipe, the outer side of the bottom of the delivery pipe is provided with an external thread, and the inner side of the bypass pipe of the air ejector pipe is provided with an internal.
6. The quantitative sand blasting device as claimed in claim 5, wherein the inner cylinder base is provided with two circles of threaded counter bores with different models, the mounting plate is provided with through holes corresponding to the threaded counter bores of the outer circle, the inner cylinder is fixed on the mounting plate through bolts, the outer side of the upper half section of the T-shaped section of the conveying pipeline is provided with through holes corresponding to the threaded counter bores of the inner circle of the inner cylinder base, and the conveying pipeline is fixed on the inner cylinder base through bolts.
7. The quantitative sand blasting device as claimed in claim 6, wherein the air injection pipe is of a three-way structure, hoses are respectively connected to two ends of the straight pipe section, the straight pipe section and the by-pass pipe are of non-vertical structures, the hose on the side with the smaller included angle is connected to an air source, and the hose on the side with the larger included angle is connected to a spray gun.
8. The quantitative sand blasting device of claim 1, wherein the front end of the spray gun is provided with a nozzle, the outlet of the nozzle is conical to enable the sand balls to be gathered, the nozzle is used by facing the end face of the armored thermocouple, and the spray gun is an automatic spray gun.
9. The quantitative sand blasting device as claimed in claim 1 or 8, wherein the top of the slideway is provided with a sliding motor, and the sliding motor is used for controlling the up-and-down movement of the sliding block.
10. A method of using a quantitative blasting apparatus as claimed in any one of claims 1 to 9, characterized by the steps of:
s1, placing the sand shots into the inner cylinder, installing the inner cylinder and the outer cylinder, adjusting the position of the sliding block, adjusting the temperature of the sand shots through a heating device, connecting the spray gun, aligning the nozzle to the armored thermocouple, setting the sand blasting amount by a control system according to the requirement, and completing the preparation work;
s2, starting a spray gun and an air source, controlling a rotating motor through a control system, rotationally conveying quantitative sand balls into a conveying pipeline through a screw rod, temporarily storing the sand balls in a part above an hourglass pipe section of the conveying pipeline, blowing the sand balls to form jet flow through compressed air of the air source when sand blasting is needed, sucking out the sand balls in the hourglass pipe section through negative pressure formed by the jet flow, impacting a processing section of an armored thermocouple, crushing and separating magnesium oxide powder, and exposing a proper core wire length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010684818.5A CN111775057A (en) | 2020-07-16 | 2020-07-16 | Quantitative sand blasting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010684818.5A CN111775057A (en) | 2020-07-16 | 2020-07-16 | Quantitative sand blasting device |
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| Publication Number | Publication Date |
|---|---|
| CN111775057A true CN111775057A (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010684818.5A Pending CN111775057A (en) | 2020-07-16 | 2020-07-16 | Quantitative sand blasting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114473887A (en) * | 2022-02-14 | 2022-05-13 | 良启金属南通有限公司 | Shot blasting material and shot blasting device suitable for shot blasting material |
-
2020
- 2020-07-16 CN CN202010684818.5A patent/CN111775057A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114473887A (en) * | 2022-02-14 | 2022-05-13 | 良启金属南通有限公司 | Shot blasting material and shot blasting device suitable for shot blasting material |
| CN114473887B (en) * | 2022-02-14 | 2022-12-06 | 良启金属南通有限公司 | Shot blasting material and shot blasting device suitable for shot blasting material |
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