CN201316955Y - Double-tower structure sand blasting machine with improved sand blasting head - Google Patents

Double-tower structure sand blasting machine with improved sand blasting head Download PDF

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Publication number
CN201316955Y
CN201316955Y CNU2008201445290U CN200820144529U CN201316955Y CN 201316955 Y CN201316955 Y CN 201316955Y CN U2008201445290 U CNU2008201445290 U CN U2008201445290U CN 200820144529 U CN200820144529 U CN 200820144529U CN 201316955 Y CN201316955 Y CN 201316955Y
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sand
tower
chamber
cavity
air inlet
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CNU2008201445290U
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Chinese (zh)
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吴楹
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吴楹
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Abstract

A double-tower structure sand blasting machine with an improved sand blasting head belongs to abrasive blasting devices, which is used for sand blasting treatment on the specific working substance surface such as the surface treatment to the aluminium alloy profiles. The sand blasting machine comprises a sand blasting unit with a sand blasting head and a dust removing mechanism, wherein the sand blasting unit is provided with a sand storage chamber, and a first tower body and a second tower body are mounted at the upper part of the sand storage chamber; the dust removing mechanism is provided with a dust collecting body; an exhaust fan connected with an exhaust pipeline is arranged at the upper part of the dust collecting body, one end of the exhaust pipeline is connected with the sand blasting unit and the other end thereof is connected with the dust collecting body of the dust removing mechanism, and a dust removing water tank is connected through a dust removing pipeline in a wet-type dust removing manner. Therefore, the sand blasting machine not only is provided with the sand blasting unit with the double-tower structure, which can improve the sand blasting efficiency, but also is provided with the two-stage dust removing mechanism capable of removing the dust with both the dust collecting body and the dust removing water tank.

Description

Has the double tower structure sand-blasting machine that improves abrator head
Technical field
The utility model belongs to abrasive jet equipment, relates in particular to the improvement of sand-blasting machine and sandblast mechanism and abrator head, is used for the blasting treatment at particular job thing surface, as the surface treatment to aluminium alloy extrusions.
Background technology
Known technology, nozzle arrangements as disclosed Chinese patent 03149419.6 sand-blasting machine, it mainly comprises input part, throat and efferent, and input part is to be connected with carrier pipe, to receive the grinding material by carrier pipe was provided, throat is extended and is formed by input part, efferent is then extended and is formed by throat, and the width of input part is greater than the width of efferent, and the width of efferent is then greater than throat's width, so that when grinding material and seeing through efferent output, the direction unanimity.
200520133352.0 1 kinds of fluids of and for example disclosed Chinese patent spray removes metalwork, plastic products burr and greasy dirt device, comprise mortar jet pump, clear water spray pump and electric cabinet, wherein: be provided with mortar spray tank, clear water spray groove, mortar liquid reserve tank, clear water liquid reserve tank, mortar ejecting gun, clear water spray rifle; Described mortar jet pump, clear water spray pump are connected with mortar liquid reserve tank, clear water liquid reserve tank respectively, and clear water spray rifle places clear water liquid reserve tank top, is communicated with the clear water spray pump; Described mortar spray tank and clear water spray groove have passed through removable conveyer chain, and conveyer chain is provided with work piece holder; On the mortar ejecting gun nozzle is housed, is communicated with, be positioned at mortar spray tank top and place the conveyer chain correspondence position with the mortar jet pump.
02247755.1 1 kinds of automatic sand-blasting machines of disclosed for another example Chinese patent, be included in inside be provided with blast room and recovery area-body, store the sand material a sand barrel, be located at a rotating disk in the blast room, be connected to a sand material shower nozzle of sand barrel and a control module by pipeline; Can put at least one workpiece on its turntable, can be after workpiece is fixed on the rotating disk by the control of control module, order about the rotating disk rotation, sand material shower nozzle also can constantly spray to workpiece with drawing the sand material that connects from the sand barrel simultaneously, and workpiece is implemented cleaning surfaces work.
There is sandblast uniform problem inadequately in known technology, particularly at the surface treatment of special-shaped and thin-wall section, very easily occurs handling not in place or overtreating injures surperficial problem.
Summary of the invention
This case problem to be solved is to overcome the defective that aforementioned techniques exists, and a kind of double tower structure sand-blasting machine that improves abrator head that has is provided.Below in conjunction with advantage and good effect technical scheme is described:
The utility model is realized by following technical scheme: a kind of double tower structure sand-blasting machine with improvement abrator head, comprise abrasion blasting unit, dedusting mechanism with abrator head, wherein, described abrasion blasting unit has a sand storage chamber, and the first tower body and the second tower body are installed above sand storage chamber; Dedusting mechanism has the dust host body; The top of this dust host body is provided with the air exhauster that connects the exhausting pipeline, described exhausting pipeline one end is connected with abrasion blasting unit, the other end of this exhausting pipeline is connected with the dust host body of dedusting mechanism, but a dedusting water tank becomes the mode of wet dust removal to connect by the dedusting pipeline.
This case sand-blasting machine not only has the abrasion blasting unit of Double-Tower Structure thus, thereby can improve sandblast efficient, and is provided with the dedusting mechanism that has dust host body and the dedusting of dedusting water tank two-stage concurrently.
The utility model can also further be realized by following technical scheme:
Aforesaid double tower structure sand-blasting machine with improvement abrator head, wherein, described sand storage chamber has rectangular inner cavity, the described first tower body installation site is: the point that the major axis internal diameter of the vertical center line at the reverse taper place of separator and sand storage chamber's inner chamber and minor axis internal diameter cross in the first tower body, and promptly first joint is positioned at the middle position of half sand storage chamber's inner chamber; This second tower body installation site is: the point that the major axis internal diameter of the vertical center line at the reverse taper place of separator and sand storage chamber's inner chamber and minor axis internal diameter cross in the second tower body, promptly first joint is positioned at the middle position of second half sand storage chamber's inner chamber.
Aforesaid double tower structure sand-blasting machine with improvement abrator head wherein, is equipped with separator in the described tower body, and the reverse taper port of this separator stretches into sand storage chamber top; The vertical center line at the reverse taper place of separator is positioned at 1/4 place of sand storage chamber's inner chamber major axis internal diameter line segment substantially in the first tower body; The vertical center line at the reverse taper place of separator is positioned at 3/4 place of sand storage chamber's inner chamber minor axis internal diameter line segment substantially in the second tower body.
This be provided with form a sand storage chamber by two separators simultaneously, divide operation equally, can effectively improve separative efficiency.
Aforementioned double tower structure sand-blasting machine with improvement abrator head, wherein, the blast room is positioned at the sand storage chamber below, and sand suction pipe and upper end, blast room and bottom, blast room are connected; Sand storage chamber below is for falling trapezoidal chamber, this fall trapezoidal chamber wall part cloth be provided with to sandblast chew for sand for sandpipe; Described sandblast is chewed has into sand element, and this advances the sand element has sandblast and chew into sand portion, and being connected for sandpipe in into the sand portion and sand storage chamber chewed in this sandblast.
Aforesaid double tower structure sand-blasting machine with improvement abrator head, wherein, described blast room constitutes chamber by trapezoid upper cavity part, rectangle lumen portion and the trapezoidal lower cavity part that falls; The even distribution of the middle loin of described trapezoid upper cavity part is provided with the identical sandblast of 8 structures and chews; The even distribution of the middle loin of the described lower cavity part of falling the trapezoid is provided with the identical sandblast of 8 structures and chews; The air feed pipe has to be chewed the mouth of pipe and the Cheng Kexiang blast room that are connected with sandblast and provides the mode of wind-force to dispose, and this air feed pipe and wind conveying pipe road one termination are logical, and this wind conveying pipe road other end is connected with blower fan.
The multichannel sandblast of blast room with different azimuth chewed thus, can make more even, the comprehensive and effect of overlapping sandblast not of sandblast, particularly at can effectively being avoided handling the dead angle problem by the compromise face of blasting treatment thing.
Aforesaid have a double tower structure sand-blasting machine that improves abrator head, and wherein, the air inlet element that described sandblast is chewed is nested in in the sand element, and air inlet element stores up the sand inner chamber with advancing to form between the sand element; This air inlet element with advance the sand element and become to adjust air inlet element by threaded joints or advance or the mode of moving back disposes, this air inlet element and air feed pipe are connected; Advance and have the nozzle that can stretch into the blast room on the sand element.
Sandblast is chewed setting and can artificially be adjusted the sand gas ratio that sandblast is chewed thus, realizes default sandblast effect;
Aforementioned double tower structure sand-blasting machine with improvement abrator head, wherein, the downward projection of described nozzle is front wide and rear narrow trapezoidal, this nozzle has and advances the nozzle installation portion that the sand element cooperates, and forms downward projection forward along this nozzle installation portion and widens gradually, leads and look projection big mouth, flat mouthful of shape nozzle ports of constriction gradually.
This setting can make abrasive material be sector to spray from nozzle, make the sandblast cornerite increase, thereby effectively improve the sandblast uniformity, can satisfy slim material surface-treated needs, particularly can solve slim for a long time material is easy to generate distortion when blasting treatment problem;
Aforesaid double tower structure sand-blasting machine with improvement abrator head, wherein, described air inlet element has the first tubing string shape air cavity, form the tapered taper air cavity of prosopyle forward along this first tubing string shape air cavity, the length c of this taper air cavity accounts for the 1/2-3/4 of the first tubing string shape air cavity length, and the diameter of taper air cavity prosopyle is the 1/2-1/3 of taper air cavity diameter approximately; One air inlet prosopyle pipe is installed in the preceding oral area of taper air cavity, and the length of this air inlet prosopyle pipe accounts for the 1/2-1/3 of the first tubing string shape air cavity length.
Having this to be provided with can more effectively form stronger air pressure in the air cavity of air inlet element, to improve the sandblast efficient of nozzle;
Aforesaid double tower structure sand-blasting machine with improvement abrator head, wherein, describedly advance the sand element and have internal thread connecting portion and the tubing string shape sand storage cavity that combines with the air inlet element coupling, this tubing string shape sand storage cavity front end is provided with taper sand chamber, the screw thread installation portion that the front end setting in this taper sand chamber is connected with nozzle; The 2-3 of the length h that described tubing string shape sand storage cavity length H is taper sand chamber approximately doubly; Tubing string shape sand storage cavity length is slightly less than the summation of the taper air cavity length c and the air inlet prosopyle length of tube e of air inlet element.
Be provided with thus and can make the storage sand inner chamber of sand element into enough big, to satisfy the sandblast efficient of nozzle;
Aforesaid double tower structure sand-blasting machine with improvement abrator head, wherein, the time zone portion of ending of restriction air inlet element is set between described tubing string shape sand storage cavity that advances the sand element and the internal thread connecting portion, described tubing string shape sand storage cavity internal diameter ends time zone portion and forms descending tapered hole from the internal thread connecting portion to tubing string shape sand storage cavity less than the internal diameter of internal thread connecting portion.
Aforesaid have a double tower structure sand-blasting machine that improves abrator head, and wherein, base plate is configured in on the sand element can make the stable mode that is inserted in the blast room of nozzle; Described base plate is made of first base plate and second base plate, and first base plate is configured in into outer wall one side of sand element, stretches out along the tangential direction of advancing the sand element; The form that second base plate is symmetrical and opposite with first base plate one-tenth is configured in the into opposite side of sand element outer wall; The front end of this first, second base plate all is provided with the U-shaped installation opening.
Not only simple in structure, the also more firm safety, and the dismounting of being more convenient for of this configuration.
Advantage of the present utility model and good effect are not limited only to the statement of aforementioned combination technology scheme, and the utility model is simple in structure, obvious technical effects, and the industry that is more suitable for is used and is promoted.
For further understanding technology contents of the present utility model, characteristics and effect, exemplify following preferred embodiment now, and conjunction with figs. is described in detail as follows:
Description of drawings
Fig. 1 is the main-vision surface overall structure schematic diagram of the utility model sand-blasting machine;
Fig. 2 is the side-looking structural representation of the utility model sand-blasting machine;
Fig. 3 is an abrator head side-looking face structural representation;
Fig. 3 a is the A-A cross-sectional view of Fig. 3;
Fig. 3 b is that abrator head is overlooked the face structural representation in the utility model.
The specific embodiment
Below in conjunction with preferred embodiment, the specific embodiment, feature and effect thereof that foundation the utility model is provided, describe in detail as after; For simple and purpose clearly, hereinafter appropriate omission the description of known technology, in order to avoid those unnecessary details influences are to the description of the technical program.
As Figure 1-3, a kind of double tower structure sand-blasting machine with improvement abrator head comprises abrasion blasting unit 1, dedusting mechanism 2 with abrator head 15, wherein,
Abrasion blasting unit 1 has a sand storage chamber 18, and this sand storage chamber has rectangular inner cavity; First identical tower body 13 and the second tower body, 13 ' formation double tower structure are installed above sand storage chamber; In the described tower body separator 130 is housed, the reverse taper port one 31 of this separator stretches into sand storage chamber top;
The described first tower body installation site is: the point that the major axis internal diameter a of the vertical centre line L at the reverse taper place of separator and sand storage chamber's inner chamber and minor axis internal diameter b roughly cross in the first tower body, and promptly first joint is positioned at the middle position of half sand storage chamber's inner chamber;
This second tower body installation site is: the vertical centre line L at the reverse taper place of separator in the second tower body ' and the major axis internal diameter a of sand storage chamber's inner chamber and the point that minor axis internal diameter b roughly crosses, promptly first joint is positioned at the middle position of second half sand storage chamber's inner chamber;
Described major axis internal diameter a is a rectangle sand storage chamber inner chamber horizontal axis center line segment; Described minor axis internal diameter b is a rectangle sand storage chamber inner chamber horizontal radial line segment; Both the vertical centre line L at the reverse taper place of separator was positioned at 1/4 place of sand storage chamber's inner chamber major axis internal diameter line segment substantially in the first tower body; The vertical centre line L at the reverse taper place of separator in the second tower body ' be positioned at 3/4 place of sand storage chamber's inner chamber minor axis internal diameter line segment substantially; Described separator is commercially available cyclone separator; This be provided with form a sand storage chamber by two separators simultaneously, divide operation equally, can effectively improve separative efficiency;
Sand storage chamber 18 belows are for falling trapezoidal chamber 182, this fall trapezoidal chamber wall part cloth be provided with to sandblast chew 15 for sand for sandpipes 181;
A blast room 19 is positioned at sand storage chamber 18 belows, is carried out blasting treatment by the blasting treatment thing by this blast room via what transmitting device 3 was sent here, and described transmitting device 3 can adopt the usual way configuration;
Sand suction pipe 14 is with usual way and upper end, blast room 191 and 192 connections of bottom, blast room;
Described blast room 19 constitutes chamber by trapezoid upper cavity part 193, rectangle lumen portion 194 and the trapezoidal lower cavity part 195 that falls; The even distribution of the middle loin of described trapezoid upper cavity part is provided with the identical sandblast of 8 structures and chews 15; The middle loin of the described lower cavity part of falling the trapezoid evenly distributes and the identical sandblast of 8 structures is set chews, and 16 of the distribution configurations that this sandblast is chewed are best, yet this sandblast is chewed and met even distribution setting and include but not limited to 16.
Air feed pipe 16 has to be chewed the mouth of pipe and the Cheng Kexiang blast room that are connected with sandblast and provides the mode of wind-force to dispose, and this air feed pipe and wind conveying pipe road 10 1 terminations are logical, and this wind conveying pipe road other end is connected with blower fan 23;
The multichannel sandblast of blast room with different azimuth chewed thus, can make more even, the comprehensive and effect of overlapping sandblast not of sandblast, particularly at can effectively being avoided handling the dead angle problem by the compromise face of blasting treatment thing;
Referring to Fig. 3, Fig. 3 a, Fig. 3 b, described sandblast is chewed has into sand element 158, this advance the sand element have with sand storage chamber on the sandblast that is connected for sandpipe 181 chew into sand portion 1581;
Air inlet element 154 is nested in in the sand element 158, air inlet element and advance to form between the sand element storage sand inner chamber; This air inlet element with advance the sand element and can adjust air inlet element by 1548 one-tenth of threaded joints or advance or the mode of moving back disposes, air inlet element is when moving ahead, can make the indoor intonation of sand little, when air inlet element is gone backward, can make the indoor intonation of sand big, be provided with this and can artificially adjust sand gas ratio, realize default sandblast effect; This air inlet element 156 docks with air feed pipe 16 by the department of assembly, makes the intake section 1540 of air inlet element and air feed pipe 16 connect; Advance and have the nozzle 159 that can stretch into the blast room on the sand element;
The downward projection of described nozzle 159 is front wide and rear narrow trapezoidal, chew the structural representation of the face of overlooking referring to Fig. 3 sandblast, this nozzle has and advances the nozzle installation portion 1591 that sand element 158 cooperates, and forms downward projection forward along this nozzle installation portion and widens gradually, leads and look projection big mouth, flat mouthful of shape nozzle ports of constriction gradually; This setting can make abrasive material be sector to spray from nozzle, make the sandblast cornerite increase, thereby effectively improve the sandblast uniformity, can satisfy slim material surface-treated needs, particularly can solve slim for a long time material is easy to generate distortion when blasting treatment problem;
Described air inlet element 154 has the first tubing string shape air cavity 1541, form the tapered taper air cavity 157 of prosopyle forward along this first tubing string shape air cavity, the length c of this taper air cavity accounts for the 1/2-3/4 of the first tubing string shape air cavity length, and the diameter of taper air cavity prosopyle is the 1/2-1/3 of taper air cavity diameter approximately; One air inlet prosopyle pipe 1571 is installed in oral area before the taper air cavity in removable mode, and the length of this air inlet prosopyle pipe accounts for the 1/2-1/3 of the first tubing string shape air cavity length; Having this to be provided with can more effectively form stronger air pressure in the air cavity of air inlet element, to improve the sandblast efficient of nozzle;
Describedly advance sand element 158 and have internal thread connecting portion 1584 and the tubing string shape sand storage cavity 1586 that combines with the air inlet element coupling, this tubing string shape sand storage cavity front end is provided with taper sand chamber 1587, the screw thread installation portion 1589 that the front end setting in this taper sand chamber is connected with nozzle 159; The 2-3 of the length h that described tubing string shape sand storage cavity length H is taper sand chamber approximately doubly; Tubing string shape sand storage cavity length is slightly less than the summation of the taper air cavity length c and the air inlet prosopyle length of tube e of air inlet element; Be provided with thus and can make the storage sand inner chamber of sand element into enough big, to satisfy the sandblast efficient of nozzle;
The time zone portion 1585 of ending of restriction air inlet element is set between tubing string shape sand storage cavity and internal thread connecting portion, described tubing string shape sand storage cavity internal diameter ends time zone portion and forms descending tapered hole from the internal thread connecting portion to tubing string shape sand storage cavity less than the internal diameter of internal thread connecting portion;
Base plate is configured in on the sand element can make the stable mode that is inserted in the blast room of nozzle;
Described base plate is made of first base plate 152 and second base plate 152 ', and first base plate is configured in into outer wall one side of sand element, stretches out along the tangential direction of advancing the sand element; The form that second base plate is symmetrical and opposite with first base plate one-tenth is configured in the into opposite side of sand element outer wall; The front end of this first, second base plate all is provided with U-shaped installation opening 1521,1521 ', not only simple in structure, the also more firm safety, and the dismounting of being more convenient for of this configuration;
Dedusting mechanism 2 has dust host body 21, as dust-removal cloth-bag; The top of this dust host body is provided with the air exhauster 22 that connects exhausting pipeline 12, described exhausting pipeline one end is connected with abrasion blasting unit 1, the other end of this exhausting pipeline is connected with the dust host body of dedusting mechanism 2, but a dedusting water tank 24 connects by the mode of 26 one-tenth wet dust removals of dedusting pipeline, the mode of wet dust removal can be known technology, will not give unnecessary details.This setting has the dedusting mechanism of dust host body and the dedusting of dedusting water tank two-stage concurrently.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims (10)

1. one kind has the double tower structure sand-blasting machine that improves abrator head, comprise abrasion blasting unit, dedusting mechanism with abrator head, it is characterized in that described abrasion blasting unit (1) has a sand storage chamber (18), the first tower body (13) and the second tower body (13 ') are installed above sand storage chamber; Dedusting mechanism (2) has dust host body (21); The top of this dust host body is provided with the air exhauster (22) that connects exhausting pipeline (12), described exhausting pipeline one end is connected with abrasion blasting unit (1), the other end of this exhausting pipeline is connected with the dust host body of dedusting mechanism (2), a dedusting water tank (24) by dedusting pipeline (26) but become the mode of wet dust removal to connect.
2. the double tower structure sand-blasting machine with improvement abrator head as claimed in claim 1, it is characterized in that, described sand storage chamber has rectangular inner cavity, the described first tower body installation site is: the point that the major axis internal diameter of the vertical center line at the reverse taper place of separator and sand storage chamber's inner chamber and minor axis internal diameter cross in the first tower body, and promptly first joint is positioned at the middle position of half sand storage chamber's inner chamber; This second tower body installation site is: the point that the major axis internal diameter of the vertical center line at the reverse taper place of separator and sand storage chamber's inner chamber and minor axis internal diameter cross in the second tower body, promptly first joint is positioned at the middle position of second half sand storage chamber's inner chamber.
3. the double tower structure sand-blasting machine with improvement abrator head as claimed in claim 2 is characterized in that separator (130) is housed in the described tower body, and the reverse taper port (131) of this separator stretches into sand storage chamber top; The vertical center line at the reverse taper place of separator is positioned at 1/4 place of sand storage chamber's inner chamber major axis internal diameter line segment substantially in the first tower body; The vertical center line at the reverse taper place of separator is positioned at 3/4 place of sand storage chamber's inner chamber minor axis internal diameter line segment substantially in the second tower body.
4. the double tower structure sand-blasting machine with improvement abrator head as claimed in claim 3 is characterized in that blast room (19) are positioned at sand storage chamber (18) below, and sand suction pipe (14) is connected with upper end, blast room (191) and bottom, blast room (192); Sand storage chamber (18) below is for falling trapezoidal chamber (182), this fall trapezoidal chamber wall part cloth be provided with to sandblast chew (15) for sand for sandpipe (181); Described sandblast is chewed has into sand element (158), and this advances the sand element has sandblast and chew into sand portion (1581), and being connected for sandpipe (181) in into the sand portion and sand storage chamber chewed in this sandblast.
5. the double tower structure sand-blasting machine with improvement abrator head as claimed in claim 4 is characterized in that described blast room (19) constitute chamber by trapezoid upper cavity part (193), rectangle lumen portion (194) and the trapezoidal lower cavity part (195) that falls; The even distribution of the middle loin of described trapezoid upper cavity part is provided with the identical sandblast of 8 structures and chews (15); The even distribution of the middle loin of the described lower cavity part of falling the trapezoid is provided with the identical sandblast of 8 structures and chews; Air feed pipe (16) has to be chewed the mouth of pipe and the Cheng Kexiang blast room that are connected with sandblast and provides the mode of wind-force to dispose, and this air feed pipe and wind conveying pipe road (10) one terminations are logical, and this wind conveying pipe road other end is connected with blower fan (23).
6. as claimed in claim 5 have a double tower structure sand-blasting machine that improves abrator head, it is characterized in that, the air inlet element that described sandblast is chewed (154) is nested in in the sand element (158), and air inlet element stores up the sand inner chamber with advancing to form between the sand element; This air inlet element with advance the sand element and become to adjust air inlet element by threaded joints (1548) or advance or the mode of moving back disposes, this air inlet element and air feed pipe (16) are connected; Advance and have the nozzle (159) that can stretch into the blast room on the sand element.
7. the double tower structure sand-blasting machine with improvement abrator head as claimed in claim 6, it is characterized in that, the downward projection of described nozzle (159) is front wide and rear narrow trapezoidal, this nozzle has and advances the nozzle installation portion (1591) that sand element (158) cooperates, and forms downward projection forward along this nozzle installation portion and widens gradually, leads and look projection big mouth, flat mouthful of shape nozzle ports of constriction gradually.
8. the double tower structure sand-blasting machine with improvement abrator head as claimed in claim 7, it is characterized in that, described air inlet element (154) has the first tubing string shape air cavity (1541), form the tapered taper air cavity of prosopyle (157) forward along this first tubing string shape air cavity, the length c of this taper air cavity accounts for the 1/2-3/4 of the first tubing string shape air cavity length, and the diameter of taper air cavity prosopyle is the 1/2-1/3 of taper air cavity diameter approximately; One air inlet prosopyle pipe (1571) is installed in the preceding oral area of taper air cavity, and the length of this air inlet prosopyle pipe accounts for the 1/2-1/3 of the first tubing string shape air cavity length.
9. the double tower structure sand-blasting machine with improvement abrator head as claimed in claim 8, it is characterized in that, describedly advance sand element (158) and have internal thread connecting portion (1584) and the tubing string shape sand storage cavity (1586) that combines with the air inlet element coupling, this tubing string shape sand storage cavity front end is provided with taper sand chamber (1587), the screw thread installation portion (1589) that the front end setting in this taper sand chamber is connected with nozzle (159); The 2-3 of the length h that described tubing string shape sand storage cavity length H is taper sand chamber approximately doubly; Tubing string shape sand storage cavity length is slightly less than the summation of the taper air cavity length c and the air inlet prosopyle length of tube e of air inlet element.
10. as described in claim 9, have the double tower structure sand-blasting machine that improves abrator head, it is characterized in that,
The time zone portion (1585) of ending of restriction air inlet element is set between described tubing string shape sand storage cavity that advances the sand element and the internal thread connecting portion, described tubing string shape sand storage cavity internal diameter ends time zone portion and forms descending tapered hole from the internal thread connecting portion to tubing string shape sand storage cavity less than the internal diameter of internal thread connecting portion; Base plate is configured in on the sand element can make the stable mode that is inserted in the blast room of nozzle; Described base plate is made of first base plate (152) and second base plate (152 '), and first base plate is configured in into outer wall one side of sand element, stretches out along the tangential direction of advancing the sand element; The form that second base plate is symmetrical and opposite with first base plate one-tenth is configured in the into opposite side of sand element outer wall; The front end of this first, second base plate all is provided with U-shaped installation opening (1521,1521 ').
CNU2008201445290U 2008-12-17 2008-12-17 Double-tower structure sand blasting machine with improved sand blasting head Expired - Lifetime CN201316955Y (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101497180B (en) * 2008-12-17 2011-07-20 吴楹 Blasting unit and blaster thereof
CN102672621A (en) * 2011-03-07 2012-09-19 傅伟淇 Sand blasting machine
CN106956219A (en) * 2017-03-25 2017-07-18 郭敏青 Horizontal high-efficiency wet type sand blasting machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101497180B (en) * 2008-12-17 2011-07-20 吴楹 Blasting unit and blaster thereof
CN102672621A (en) * 2011-03-07 2012-09-19 傅伟淇 Sand blasting machine
CN106956219A (en) * 2017-03-25 2017-07-18 郭敏青 Horizontal high-efficiency wet type sand blasting machine

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