CN109834601B - Mushroom head assembly of water mist sand blasting device - Google Patents
Mushroom head assembly of water mist sand blasting device Download PDFInfo
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- CN109834601B CN109834601B CN201910202267.1A CN201910202267A CN109834601B CN 109834601 B CN109834601 B CN 109834601B CN 201910202267 A CN201910202267 A CN 201910202267A CN 109834601 B CN109834601 B CN 109834601B
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- mushroom
- flange
- water mist
- shaped plug
- mushroom head
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 239000003595 mist Substances 0.000 title claims abstract description 49
- 235000001674 Agaricus brunnescens Nutrition 0.000 title claims abstract description 42
- 238000005488 sandblasting Methods 0.000 title claims abstract description 38
- 239000004576 sand Substances 0.000 claims abstract description 32
- 239000007921 spray Substances 0.000 claims description 22
- 238000005422 blasting Methods 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 239000003082 abrasive agent Substances 0.000 description 10
- 238000007789 sealing Methods 0.000 description 7
- 230000002265 prevention Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005270 abrasive blasting Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005494 tarnishing Methods 0.000 description 1
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Abstract
The invention relates to the technical field of sand blasting equipment, and discloses a mushroom head assembly of a water mist sand blasting device, which comprises a flange with a sand inlet in the middle and a mushroom-shaped plug positioned below the sand inlet of the flange and used for opening and closing the sand inlet, wherein the lower end of the flange is connected with a support, the support comprises a positioning ring connected with the flange and guide rods vertically arranged below the positioning ring, a plurality of rib plates distributed at intervals along the circumferential direction are connected between the positioning ring and the guide rods, the mushroom-shaped plug is sleeved on the guide rods and can move up and down along the guide rods, the upper part of the mushroom-shaped plug is provided with an outer conical surface, and when the sand inlet is an inner conical hole and moves upwards and props against the inner conical hole of the flange, the outer conical surface is matched with the inner conical hole of the flange. The invention improves the installation precision of the mushroom head top valve on the sand blasting device, thereby improving the use reliability of sand blasting equipment.
Description
Technical Field
The invention relates to the technical field of sand blasting equipment, in particular to a mushroom head assembly of a water mist sand blasting device.
Background
The surface of the steel structure is typically sandblasted prior to painting using a sandblasting apparatus to remove tarnishing and other attachments from the surface. The current sand blasting equipment mainly comprises three types:
the first is a dry blasting apparatus which uses compressed air as a power source to blast sand onto the surface of a workpiece for a rust removal process. When the dry sand blasting equipment is adopted for sand blasting, dust pollution is large, and the surrounding environment is greatly and negatively affected.
The second type is wet sand blasting equipment, which uses the negative pressure siphon action (compressed air positive pressure delivery can also be adopted) of water jet ejected by a high-pressure water cleaning machine, adopts a post-mixing mode, adds solid abrasive materials with proper labels into the high-pressure water jet, and uses the actions of jet impact, shearing and the like of solid-liquid mixed fluid to carry out rust removal treatment. The wet sand blasting equipment has the advantages of lower construction efficiency, high accessory abrasion rate and short service life.
The third is water sand blasting equipment, which uses compressed air as a power source, uses nonmetallic abrasive with extremely small granularity as a medium, uses a small tank body to mix the abrasive with water for sand blasting, and has higher efficiency than wet sand blasting equipment. The existing water sand blasting equipment mainly comprises an inlet, is high in price, structurally adopts a single tank body and a single spray gun structure, only uses nonmetallic abrasive with extremely small granularity as a medium, and is limited in application.
The Chinese patent application with publication number of CN 108747848A discloses a control system of a double-gun water mist sand blasting machine; the Chinese patent application with publication number of CN 108705455A discloses a general double-gun water mist sand blasting machine; chinese patent application publication No. CN 108481210a discloses a water mist abrasive blasting machine; chinese patent application publication No. CN 108857923a discloses a top valve control device for a water mist abrasive mixing cylinder. In the technical scheme disclosed in the four patent application documents, a special-designed water mist abrasive material mixing cylinder is adopted, the opening and closing of a sand feeding hole is realized by using a mushroom head top valve at the top of the water mist abrasive material mixing cylinder, and the pressure difference between the pressure in the water mist abrasive material mixing cylinder and the pressure of compressed air is controlled, so that the water mist sand blasting with higher efficiency is realized, and the sand application range is wider compared with that of the water sand blasting equipment.
However, the water mist abrasive sand blaster is not perfect, and the main problems are that:
the guiding device of the mushroom head top valve in the water mist abrasive sand blasting machine (used for guiding the mushroom head to move up and down) is a transverse pipe connected with the abrasive mixing cylinder body and having the inner diameter of 60, the front end of the transverse pipe is connected with a 90-degree elbow, the upper end of the elbow is connected with a guiding inner sleeve through a flange, and the mushroom head is sleeved on the inner sleeve to move up and down. However, the mushroom head has higher assembly requirement, and needs to be completely concentric with the middle flange of the conical end socket, the structure of the guide device cannot ensure the higher concentricity requirement, and the transverse pipe is easy to bend and deform along with the long-time opening and closing of the mushroom head, so that the abrasive mixing cylinder cannot be completely sealed.
Disclosure of Invention
The invention aims at improving the sand blasting equipment with the water mist abrasive mixing cylinder structure, and aims at further improving the mushroom head top valve structure of the existing water mist abrasive mixing cylinder so as to improve the installation precision of the mushroom head top valve at the top of the water mist abrasive mixing cylinder and further improve the use reliability of the sand blasting equipment. The specific technical scheme is as follows:
the utility model provides a water smoke sand blasting unit's mushroom head subassembly, has the flange of advancing the sand hole in the middle, is located advance the sand hole below of flange and be used for opening and closing advance the mushroom-shaped top in sand hole, the lower extreme of flange is connected with the support, the support include with flange connection's retainer plate, be located the guide bar that sets up is erect to the retainer plate below, the retainer plate with be connected with a plurality of gusset along circumferencial direction interval distribution between the guide bar, mushroom-shaped top suit is in on the guide bar and can follow the guide bar reciprocates, mushroom-shaped top's upper portion is provided with outer cone, advance the sand hole and be interior cone, just mushroom-shaped top upwards moves and jack up when the interior cone of flange, its outer cone with interior cone looks adaptation.
The mushroom head assembly is arranged on the water mist abrasive material mixing cylinder of the water mist abrasive material spraying device, wherein the upper part of the water mist abrasive material mixing cylinder is provided with a seal head with a middle opening, and a flange on the mushroom head assembly is connected in the middle opening of the seal head and fixed through welding.
In the technical scheme, the opening and closing structure of the mushroom head top valve is formed by the inner conical surface of the flange and the outer conical surface of the mushroom head, the support is connected with the lower end of the flange in an integrated mode, the guide rod used for guiding the mushroom head to move up and down is arranged on the support, accurate centering of the outer conical surface of the mushroom head and the inner conical surface of the flange can be achieved, deformation is not easy to occur in the use process, and therefore the use reliability of the sand blasting device is improved.
In the invention, the upper end of the mushroom-shaped plug is provided with a hanging wire hole for pulling the mushroom-shaped plug to move up and down.
In the invention, the upper end of the mushroom-shaped plug is connected with a lifting screw, and the lifting wire hole is arranged on the lifting screw.
As the preferable scheme of the connecting structure of the positioning ring and the flange, a positioning spigot matched with each other is arranged between the positioning ring and the flange, and the positioning ring is connected to the flange in a positioning way through the positioning spigot and is fixed through a bolt.
As one of the connection modes of the mushroom-shaped plug and the guide rod, the lower end of the mushroom-shaped plug is provided with a guide hole, and the mushroom-shaped plug is sleeved on the outer circle of the guide rod through the guide hole and moves up and down along the outer circle of the guide rod.
As a second connection mode of the mushroom-shaped plug and the guide rod, an inner hole is formed in the upper end of the guide rod, and the outer cylinder at the lower end of the mushroom-shaped plug is sleeved in the inner hole and moves up and down along the inner hole of the guide rod.
According to the invention, the water mist sand blasting device comprises a water mist abrasive mixing cylinder and a water inlet pipe assembly connected into the water mist abrasive mixing cylinder, wherein a sand prevention protection hole for preventing the water inlet pipe assembly from being blocked is formed in the lower end of the guide rod, and the front end of the water inlet pipe assembly enters the sand prevention protection hole.
And a gap is arranged between the front end of the water inlet pipe assembly and the sand prevention protection hole.
The sand prevention protection hole is formed in the lower end of the guide rod, so that the defect that a water outlet at the front end of the water inlet pipe assembly is easy to block is overcome.
As the preferable scheme of the support structure, the number of the rib plates on the support is three or four, and the rib plates are uniformly distributed along the circumferential direction.
In the invention, an annular sealing groove is arranged on the inner taper hole of the flange, and an annular sealing ring is arranged in the annular sealing groove.
As a further improvement of the invention, a water spray ring is arranged on the support, water spray openings are densely distributed on the water spray ring along the circumferential direction, and when the mushroom-shaped plug moves downwards to a set position, the water spray direction of the water spray openings faces the outer conical surface of the mushroom-shaped plug.
Through set up the spray ring on the support, can realize the self-cleaning to the outer conical surface of mushroom-shaped plug to improve the reliability of sealed between mushroom-shaped plug and the flange internal taper hole, be favorable to guaranteeing the stability of water smoke abrasive material mixing cylinder internal pressure.
Preferably, the water spray ring is connected with a high-pressure water pipe.
The locating spigot on the support connected with the flange and the outer circle of the guide rod can be machined after being clamped on a lathe at one time, the manufacturing is convenient, and the concentricity of the locating spigot and the outer circle of the guide rod is high.
The beneficial effects of the invention are as follows:
firstly, according to the mushroom head assembly of the water mist sand blasting device, the inner conical hole of the flange and the outer conical surface of the mushroom-shaped plug form the opening and closing structure of the mushroom head top valve, the lower end of the flange is connected with the integrally designed support, the guide rod for guiding the mushroom-shaped plug to move up and down is arranged on the support, accurate centering of the outer conical surface on the mushroom-shaped plug and the inner conical hole of the flange can be achieved, deformation is not easy in the use process, and therefore the use reliability of the sand blasting device is improved.
Second, the mushroom head component of the water mist sand blasting device solves the defect that a water outlet at the front end of a water inlet pipe component is easy to block by arranging the sand prevention protection hole at the lower end of the guide rod.
Thirdly, according to the mushroom head assembly of the water mist sand blasting device, the water spraying ring is arranged on the support, so that the outer conical surface of the mushroom-shaped plug can be automatically cleaned, the sealing reliability between the mushroom-shaped plug and the flange inner conical hole is improved, and the stability of the pressure in the water mist abrasive mixing cylinder is guaranteed.
Fourthly, the mushroom head component of the water mist sand blasting device, disclosed by the invention, has the advantages that the positioning spigot on the support connected with the flange and the outer circle of the guide rod can be processed after being clamped on a lathe at one time, the manufacturing is convenient, and the concentricity of the positioning spigot and the outer circle of the guide rod is high.
Drawings
FIG. 1 is a schematic view of the construction of a mushroom head assembly of a water mist blasting apparatus of the present invention;
FIG. 2 is a schematic illustration of the construction of the mushroom head assembly of FIG. 1 with the addition of a spray ring;
FIG. 3 is a schematic view of the mushroom head assembly installed into the mist abrasive mixing cylinder of the mist blaster.
In the figure: 1. the flange, 2, mushroom-shaped top, 3, support, 4, retainer plate, 5, guide bar, 6, gusset, 7, outer conical surface, 8, interior taper hole, 9, hanging wire hole, 10, flying ring screw, 11, location tang, 12, bolt. 13. Sand control protection hole 14, annular seal groove, 15, spray ring, 16, water jet, 17, high-pressure water pipe, 18, water smoke abrasive material mixing cylinder, 19, head, 20, inlet tube subassembly.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
The embodiment of the mushroom head assembly of the water mist sand blasting device comprises a flange 1 with a sand inlet hole in the middle and a mushroom-shaped plug 2 positioned below the sand inlet hole of the flange 1 and used for opening and closing the sand inlet hole, a support 3 is connected to the lower end of the flange 1, the support 3 comprises a positioning ring 4 connected with the flange 1 and a guide rod 5 vertically arranged below the positioning ring 4, a plurality of rib plates 6 distributed at intervals along the circumferential direction are connected between the positioning ring 4 and the guide rod 5, the mushroom-shaped plug 2 is sleeved on the guide rod 5 and can move up and down along the guide rod 5, an outer conical surface 7 is arranged at the upper part of the mushroom-shaped plug 2, the sand inlet hole is an inner conical surface 8, and when the mushroom-shaped plug 2 moves upwards and props against the inner conical surface 8 of the flange 1, the outer conical surface 7 is matched with the inner conical surface 8.
The mushroom head assembly is arranged on a water mist abrasive mixing cylinder 18 of a water mist sand blasting device, wherein a seal head 19 with a middle opening is arranged on the upper part of the water mist abrasive mixing cylinder 18, and a flange 1 on the mushroom head assembly 2 is connected in the middle opening of the seal head 19 and fixed through welding.
In the above technical scheme, the inner conical hole 8 of the flange 1 and the outer conical surface 7 of the mushroom-shaped plug 2 form an opening and closing structure of the mushroom-shaped plug valve, the support 3 integrally designed is connected to the lower end of the flange 1, the guide rod 5 for guiding the mushroom-shaped plug 2 to move up and down is arranged on the support 3, the precise centering of the outer conical surface 7 on the mushroom-shaped plug 2 and the inner conical hole 8 of the flange 1 can be realized, and the opening and closing structure is not easy to deform in the use process, so that the use reliability of the sand blasting device is improved.
In this embodiment, a hanging wire hole 9 for pulling the mushroom-shaped plug 2 to move up and down is provided at the upper end of the mushroom-shaped plug 2.
In this embodiment, an eye screw 10 is connected to the upper end of the mushroom-shaped plug 2, and the suspension wire hole 9 is disposed on the eye screw 10.
As a preferred scheme of the connection structure of the positioning ring 4 and the flange 1 in this embodiment, a positioning spigot 11 matched with each other is disposed between the positioning ring 4 and the flange 1, and the positioning ring 4 is positioned and connected to the flange 1 through the positioning spigot 11 and is fixed through a bolt 12.
As one of the connection modes of the mushroom-shaped plug 2 and the guide rod 5 in this embodiment, a guide hole is provided at the lower end of the mushroom-shaped plug 2, and the mushroom-shaped plug 2 is sleeved on the outer circle of the guide rod 5 through the guide hole and moves up and down along the outer circle of the guide rod 5.
As a second connection mode of the mushroom-shaped plug 2 and the guide rod 5 in this embodiment, an inner hole is provided at the upper end of the guide rod 5, and an outer cylinder at the lower end of the mushroom-shaped plug 2 is sleeved in the inner hole and moves up and down along the inner hole of the guide rod 5.
In this embodiment, the water mist sand blasting device comprises a water mist abrasive mixing cylinder 16 and a water inlet pipe assembly 20 connected into the water mist abrasive mixing cylinder 18, a sand control protection hole 13 for preventing the water inlet pipe assembly 20 from being blocked is arranged at the lower end of the guide rod 5, and the front end of the water inlet pipe assembly 20 enters the sand control protection hole 13.
Wherein, a gap is arranged between the front end of the water inlet pipe assembly 20 and the sand control protecting hole 13.
By arranging the sand control protection hole 13 at the lower end of the guide rod 5, the defect that the water outlet at the front end of the water inlet pipe assembly 20 is easy to block is overcome.
As a preferable scheme of the structure of the support 3 in this embodiment, the number of the rib plates on the support 3 is three or four, and the rib plates 3 are uniformly distributed along the circumferential direction.
In this embodiment, an annular sealing groove 14 is provided on the inner cone hole 8 of the flange 1, and an annular sealing ring is installed in the annular sealing groove 14.
As a further improvement of the present embodiment, a spray ring 15 is provided on the support 3, and spray nozzles 16 are densely distributed on the spray ring 15 along the circumferential direction, and when the mushroom-shaped plug 2 moves downward to a set position, the spray direction of the spray nozzles 16 faces the outer conical surface 7 of the mushroom-shaped plug 2.
Through set up spray ring 15 on support 3, can realize the self-cleaning to the outer conical surface 7 of mushroom-shaped plug 2 to improve the reliability of sealed between mushroom-shaped plug 2 and the internal taper hole of flange 1, be favorable to guaranteeing the stability of water smoke abrasive material mixed jar 18 internal pressure.
Preferably, the spray ring 15 is connected to a high pressure water pipe 17.
In this embodiment, the positioning spigot 11 on the support 3 connected with the flange 1 and the outer circle of the guide rod 5 can be machined after one-time clamping on a lathe, so that the manufacturing is convenient, and the concentricity of the positioning spigot 11 and the outer circle of the guide rod 5 is high.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (8)
1. The mushroom head assembly of the water mist sand blasting device is characterized by comprising a flange with a sand inlet in the middle and a mushroom-shaped plug positioned below the sand inlet of the flange and used for opening and closing the sand inlet, wherein the lower end of the flange is connected with a support, the support comprises a positioning ring connected with the flange and a guide rod vertically arranged below the positioning ring, a plurality of rib plates distributed at intervals along the circumferential direction are connected between the positioning ring and the guide rod, the mushroom-shaped plug is sleeved on the guide rod and can move up and down along the guide rod, an outer conical surface is arranged on the upper part of the mushroom-shaped plug, the sand inlet is an inner conical surface, and when the mushroom-shaped plug moves upwards and props against the inner conical surface of the flange, the outer conical surface is matched with the inner conical surface; the upper end of the mushroom-shaped plug is provided with a hanging wire hole for pulling the mushroom-shaped plug to move up and down; the lower extreme of mushroom-shaped plug is provided with the guiding hole, just mushroom-shaped plug passes through the guiding hole suit is in the excircle of guide bar and follow the excircle of guide bar reciprocates.
2. A mushroom head assembly for a water mist blasting apparatus as claimed in claim 1, wherein the mushroom head has an upper end connected with a suspension ring screw, and the suspension wire hole is provided on the suspension ring screw.
3. A mushroom head assembly for a water mist blasting apparatus as claimed in claim 1, wherein a locating spigot is provided between the locating ring and the flange, and the locating ring is fixedly connected to the flange through the locating spigot and is fixed by a bolt.
4. A mushroom head assembly for a water mist blasting apparatus as claimed in claim 1, wherein the guide bar is provided with an inner hole at an upper end thereof, and an outer cylinder at a lower end of the mushroom-shaped plug is fitted in the inner hole and moves up and down along the inner hole of the guide bar.
5. A mushroom head assembly of a water mist blasting apparatus according to claim 1, wherein the water mist blasting apparatus comprises a water mist abrasive mixing cylinder and a water inlet pipe assembly connected to the water mist abrasive mixing cylinder, a lower end of the guide rod is provided with a sand control protection hole for preventing the water inlet pipe assembly from being blocked, and a front end of the water inlet pipe assembly enters the sand control protection hole.
6. A mushroom head assembly for a water mist blasting apparatus as claimed in claim 1, wherein the number of the rib plates on the support is three or four, and the rib plates are uniformly distributed along the circumferential direction.
7. The mushroom head assembly of a water mist blasting apparatus as claimed in claim 1, wherein the flange has an annular seal groove formed in an inner cone thereof, and an annular seal ring is mounted in the annular seal groove.
8. A mushroom head assembly of a water mist blasting apparatus according to claim 1, wherein a water spray ring is provided on the support, water spray openings are densely distributed in a circumferential direction on the water spray ring, and when the mushroom head moves down to a set position, water spray directions of the water spray openings face an outer conical surface of the mushroom head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910202267.1A CN109834601B (en) | 2019-03-18 | 2019-03-18 | Mushroom head assembly of water mist sand blasting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910202267.1A CN109834601B (en) | 2019-03-18 | 2019-03-18 | Mushroom head assembly of water mist sand blasting device |
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| CN109834601A CN109834601A (en) | 2019-06-04 |
| CN109834601B true CN109834601B (en) | 2024-02-02 |
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| CN201910202267.1A Active CN109834601B (en) | 2019-03-18 | 2019-03-18 | Mushroom head assembly of water mist sand blasting device |
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| CN110315308B (en) * | 2019-07-03 | 2021-04-16 | 南宁华数轻量化电动汽车设计院有限公司 | Embedded follow-up tool bridge of automobile aluminum alloy girder |
| CN114148485B (en) * | 2021-11-09 | 2022-12-30 | 中船澄西船舶修造有限公司 | Boats and ships bottom lacquer painting processing is with putting on shelf support frock |
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| CN108857923A (en) * | 2018-05-09 | 2018-11-23 | 中船澄西船舶修造有限公司 | The overhead-valve control device of water mist abrasive material mixed cylinder |
| CN209793495U (en) * | 2019-03-18 | 2019-12-17 | 中船澄西船舶修造有限公司 | Mushroom head assembly of water mist sand blasting device |
-
2019
- 2019-03-18 CN CN201910202267.1A patent/CN109834601B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994027785A1 (en) * | 1993-05-26 | 1994-12-08 | Carolina Equipment And Supply Company, Inc. | Method and apparatus for cleaning with high pressure liquids at low flow rates |
| CN203636648U (en) * | 2013-12-31 | 2014-06-11 | 上海祥贸实业有限公司 | Material grinding barrel |
| CN205950520U (en) * | 2016-08-23 | 2017-02-15 | 昆山开信精工机械股份有限公司 | A seal structure that is used for peening or sandblast jar to personally experience sth. part of body |
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