CN207058367U - A kind of aluminium section bar shot-blasting machine ramming head - Google Patents
A kind of aluminium section bar shot-blasting machine ramming head Download PDFInfo
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- CN207058367U CN207058367U CN201720628215.7U CN201720628215U CN207058367U CN 207058367 U CN207058367 U CN 207058367U CN 201720628215 U CN201720628215 U CN 201720628215U CN 207058367 U CN207058367 U CN 207058367U
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- sand
- impeller
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- bearing block
- jet chamber
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Abstract
The utility model discloses a kind of aluminium section bar shot-blasting machine ramming head, including rifle lid, wool felt seal, gun housing, main shaft, oil sealing sealing, spiral groove seal, trapezoidal plate A, B and jet chamber, the rifle lid is fixedly connected with gun housing with gun housing, impeller is provided with inside the jet chamber of gun housing, sub-sand set is provided with below the gun housing, sub-sand set is stretched into the impeller bore of jet chamber, and for spray gun main shaft out of, the other end stretches into gun housing jet chamber, front-end of spindle is equipped with impeller.The utility model is simple in construction, increase ramming head service life, employ the felt-ring seal of dry type hair and get rid of the sealing structure that sand launder and outside framework oil seal three combine using section's spiral forever, effectively prevent sand dust from entering Bearing inner, sandblasting instead of the husky technique of acid, reduce aluminium consumption, effectively eliminate the mechanical line of aluminium shape surface, reduce production cost, Surface of profile quality is improved, the process problem for solving fluorine in wastewater being capable of continuous long-term use of ramming head, and maintenance cost is relatively low, jet chamber's sealing property is substantially increased.
Description
Technical field
Shot-blasting machine field is the utility model is related to, more particularly to a kind of aluminium section bar shot-blasting machine ramming head.
Background technology
The jet chamber of the ramming head for the shot-blasting machine introduced from foreign countries is circular arc top plate and fan-shaped side plate group of the both sides with arc top
Fall fan-shaped jet chamber into dome, this part, but state are produced with the high carbon and chromium antiwear cast iron alloy of hot investment casting
This part of interior wear resistant cast iron production carbon and chromium content on composition do not reach the requirement of import sample, and density is relatively low,
Lower hardness deformation is big after heat treatment, causes the percent defectives such as explosion high, and service life is short, and the sealing property of jet chamber compared with
Difference, after heat treatment difficulty of processing is big for part, in addition, the ramming head of external production, its jet chamber separates with bearing block, made
The dust that jet chamber flies out will not be directly entered bearing block, but so cause the supporting-point of impeller and bearing block farther out, rigidity
It is poor, will produce larger vibration after blade or impeller body wear, therefore, the frequency of maintenance and maintenance cost of ramming head compared with
It is high.A kind of therefore, it is proposed that aluminium section bar shot-blasting machine ramming head.
Utility model content
Ramming head main purpose of the present utility model is to provide a kind of aluminium section bar shot-blasting machine ramming head, the utility model ramming head knot
Structure is simple, and bearing block is directly connected with gun housing adds ramming head rigidity, employs the felt-ring seal of dry type hair and utilizes section's spiral forever
The sealing structure that sand launder and outside framework oil seal three combine is got rid of, substantially increases the sealing property of bearing block, although spray gun is installed, axle
Bearing center line tilts down about 20 degree, but it is unspent prevent sand dust from entering Bearing inner, enable ramming head continuous long-term use of,
And maintenance cost is low.The husky technique of acid is instead of with sandblasting, aluminium consumption is reduced, is down to 1 ‰ by 9 ‰ -11 ‰, while effectively disappear
Except the mechanical line of aluminium shape surface, production cost is reduced, improves Surface of profile quality, the processing for solving fluorine in wastewater is asked
Topic., can be continuously long-term use of because the ramming head performance is good, and maintenance cost is relatively low, so instead of import ramming head.Use the country
The aluminium section bar shot-blasting machine of this ramming head assembling has accounted for more than 90% in aluminium section bar shot-blasting machine, and this ramming head and with this throwing
The shot-blasting machine of head assembling has exported to Europe, the Middle East, Africa and Southeast Asian countries.
To achieve the above object, the utility model provides following technical scheme：A kind of aluminium section bar shot-blasting machine ramming head, including：
Gun housing top cover, gun housing protecgulum, gun housing, trapezoidal plate, trapezoidal plate, the circumference top backplate being placed in above trapezoidal plate and trapezoidal plate both sides
Circumference side guard plate, circumference top backplate and the side guard plate of circumference two constitute jet chamber, and bearing block is connected directly between in gun housing, bearing block
Main shaft go deep into jet chamber, front-end of spindle assembling impeller；
Gun housing protecgulum is equipped with sub-sand set, and sub-sand set is stretched into impeller bore, distributes sand flow to blade during to work, and impeller connects
The sub-sand pawl outer face connect is provided with sub-sand pawl helicla flute, the end face and bearing block drive end bearing bracket composition non-contacting seal, impeller rotation
When turning, sub-sand pawl helicla flute produces the air-flow that outwards gets rid of and sand dust is outwards thrown away, the sub-sand pawl helicla flute of sub-sand pawl outer face with
A circle sub-sand pawl felt groove is additionally provided with interior end face, felt seal ring contacts with bearing block drive end bearing bracket in groove, forms dry type hair
Felt-ring seal, in bearing block drive end bearing bracket, outside framework oil seal is housed before the fore bearing of main shaft, third layer is carried out to main spindle front bearing
Protection.
Preferably, the other end of the bearing block is equipped with belt pulley.
Preferably, middle oil sealing is provided between the main shaft and fore bearing, Rear oil seal is provided between rear bearing and rear end cap.
Preferably, bearing block drive end bearing bracket makes of alloy die steel, stretches into the interstitial hole of trapezoidal plate, turns into jet chamber
In, the wearing piece at mandrel position, it is effectively protected bearing block end face；Impeller is mounted in the front-end of spindle of jet chamber, in impeller
Blade is higher by 10mm than impeller outer edge, and the sub-sand pawl end face on impeller and the end clearance of bearing block drive end bearing bracket are 0.7-
1.0mm。
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, this kind of aluminium section bar shot-blasting machine ramming head, connected by using the circumference backplate side plate of spray chamber both sides by chase mortise formula
The circumference backplate top plate of part connection, so that part process and assemble is very simply, conveniently, and trapezoidal plate top plate and side plate are adopted
Enclosed with alloy tool steel plate, improve the hardness after heat treatment process, wearability and service life are added, due to impeller
Diameter is more than both sides impeller diameter when internal blade rotates, when spray gun is installed in lower room, due under bearing block and horizontal plane
Incline about 20 degree, shot and dust meeting nature are flowed into the gap of impeller rear end face and bearing block front end face, at this moment blade and sub-sand
Pawl end helicla flute can throw sand dust out.Blade gets rid of the shot of intracavitary, reduces the cylindrical abrasion of both sides impeller, while throwing
In the ball machine course of work, and it is connected in gun housing with bearing block by associated mode connector, so as to increase jet chamber and bearing
Imporosity between seat, adds the rigidity that ramming head housing is connected with bearing block,
2nd, the spiral groove seal and the wool felt of internal setting set using the sub-sand pawl end face outside being connected with impeller is close
Envelope, and the skeleton oil seal set in bearing block drive end bearing bracket, so employ the felt-ring seal of dry type hair and utilize section's spiral shell forever
The sealing structure that sand launder and outside framework oil seal three combine is got rid of in rotation, effectively prevents sand dust from entering Bearing inner so that ramming head reaches company
It is continuous to use more than 18 months, freedom from repairs function.Motor directly drives belt pulley to be operated, and the utility model is simple in construction, increases
Add ramming head service life.
Brief description of the drawings
Fig. 1 is the utility model structural profile illustration；
Fig. 2 is the utility model trapezoidal plate B and circumference guard board structure schematic diagram；
Fig. 3 is the utility model oil seal structure schematic diagram；
Fig. 4 is the utility model impeller and impeller direction of rotation structural representation；
In figure：(1) gun housing top cover, (2) gun housing protecgulum, (3) gun housing, (4) trapezoidal plate A, (5) trapezoidal plate B, (6) circumference top
Backplate, the side guard plate of (7-8) circumference two, (9) impeller, (10) blade, (11) sub-sand pawl, (12) sub-sand pawl felt circle, (13) point
Sand pawl helicla flute, (14) bearing block drive end bearing bracket, (15) bearing block, (16) main shaft, (17) outside framework oil seal, (18) fore bearing, (19)
Middle oil sealing, (20) bearing, (21) rear end cap, (22) Rear oil seal, (23) belt pulley, (24) sub-sand set afterwards.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-4 are referred to, the utility model provides a kind of technical scheme：Including：Gun housing top cover 1, gun housing protecgulum 2, gun housing
3rd, trapezoidal plate A4, trapezoidal plate B5, the circumference top backplate 6 and the circumference side guard plate 7- of trapezoidal plate A4 both sides being placed in above trapezoidal plate A4
8, circumference top backplate 6 and the side guard plate 7-8 of circumference two constitute jet chamber, and each part for forming jet chamber is closed with Cr12MoV
Golden mould steel making, after heat treatment, turn into the jet chamber of high hardness/high wear resistant, bearing block 15 is connected directly between in gun housing 3, axle
The main shaft 16 of bearing 15 gos deep into jet chamber, front-end of spindle assembling impeller 9；
Equipped with sub-sand set 24, sub-sand set stretches into the hole of impeller 9 gun housing protecgulum 2, distributes sand flow to blade 10 during to work,
The outer face of sub-sand pawl 11 made of Cr12MoV alloy die steels connected with impeller is provided with the helicla flute 13 for getting rid of sand, the end face
Non-contacting seal, when impeller 9 rotates, sub-sand pawl are formed with the bearing block drive end bearing bracket 14 made of Cr12MoV alloy die steels
Helicla flute 13 produces the air-flow outwards got rid of and sand dust is outwards thrown away, within the sub-sand pawl helicla flute 13 of the outer face of sub-sand pawl 11
A circle sub-sand pawl felt groove 12 is additionally provided with end face, felt seal ring contacts with bearing block drive end bearing bracket 14 in groove, forms dry type hair
Felt-ring seal, in bearing block drive end bearing bracket 14, outside framework oil seal 17 is housed before the fore bearing 18 of main shaft 16, main spindle front bearing 18 is entered
The protection of row third layer.
The other end of the bearing block 15 is equipped with belt pulley 23.
Middle oil sealing is provided between the main shaft 16 and fore bearing 18, Rear oil seal is provided between rear bearing 20 and rear end cap 21
22。
Bearing block drive end bearing bracket 14 makes of alloy die steel, stretches into trapezoidal plate B5 interstitial hole, turns into jet chamber, the heart
The wearing piece of axle portion position, it is effectively protected bearing block end face；Impeller 9 is mounted in the front-end of spindle of jet chamber, the blade in impeller 9
10 are higher by 10mm than the outer rim of impeller 9, and the sub-sand pawl end face on impeller 9 and the end clearance of bearing block drive end bearing bracket are 0.7-
1.0mm。
This kind of aluminium section bar shot-blasting machine ramming head, pass through chase mortise formula connector by using the circumference backplate side plate of spray chamber both sides
The circumference backplate top plate of connection, so that part process and assemble is very simply, conveniently, and trapezoidal plate top plate, side plate and injection
Indoor part uses alloy tool steel making, improves the hardness after heat treatment process, adds wearability and use
Life-span, because diameter is more than both sides impeller diameter when the blade of impeller internal rotates, when spray gun is installed in lower room, due to bearing
Seat is had a down dip about 20 degree with horizontal plane, and shot and dust meeting nature are flowed into the gap of impeller rear end face and bearing block front end face, this
When blade sand dust can be thrown out with sub-sand pawl end helicla flute.Blade gets rid of the shot of intracavitary, and it is cylindrical to reduce both sides impeller
Abrasion, while be connected in the shot-blasting machine course of work, and in gun housing with bearing block by associated mode connector, so as to increase
Imporosity between jet chamber and bearing block, add the rigidity that ramming head housing is connected with bearing block, while utilization and leaf
The spiral groove seal and the internal wool felt seal set that the sub-sand pawl end face outside of wheel connection is set, and in bearing block drive end bearing bracket
The skeleton oil seal of interior setting, so employ the felt-ring seal of dry type hair and get rid of sand launder and outside framework oil seal three using section's spiral forever
With reference to sealing structure, effectively prevent sand dust from entering Bearing inner so that ramming head reach continuous use more than 18 months, exempt to tie up
Repair function.Motor directly drives belt pulley to be operated, and the utility model is simple in construction, increases ramming head service life.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (4)
1. a kind of aluminium section bar shot-blasting machine ramming head, including：Gun housing top cover (1), gun housing protecgulum (2), gun housing (3), trapezoidal plate A (4), ladder
Shape plate B (5), it is characterised in that：The circumference top backplate (6) and the circumference of trapezoidal plate A (4) both sides being placed in above trapezoidal plate A (4)
Backplate (7-8), circumference top backplate (6) and the side guard plate of circumference two (7-8) constitute jet chamber, and each part for forming jet chamber is used
Cr12MoV alloy mold steel makings, after heat treatment, turn into the jet chamber of high hardness/high wear resistant, bearing block (15) is directly connected to
In gun housing (3), the main shaft (16) of bearing block (15) gos deep into jet chamber, front-end of spindle assembling impeller (9)；
Gun housing protecgulum (2) is equipped with sub-sand set (24), and sub-sand set is stretched into impeller (9) hole, is distributed to blade (10) during to work
Sand flow, sub-sand pawl (11) outer face made of Cr12MoV alloy die steels connected with impeller are provided with the helicla flute for getting rid of sand
(13), the end face and bearing block drive end bearing bracket (14) the composition non-contacting seal made of Cr12MoV alloy die steels, impeller
(9) when rotating, sub-sand pawl helicla flute (13) produces the air-flow outwards got rid of and sand dust is outwards thrown away, point of sub-sand pawl (11) outer face
Be additionally provided with a circle sub-sand pawl felt groove (12) on end face within sand pawl helicla flute (13), in groove felt seal ring with before bearing block
End cap (14) contacts, and forms dry type hair felt-ring seal, in bearing block drive end bearing bracket (14), is filled before the fore bearing (18) of main shaft (16)
There is outside framework oil seal (17), the protection of third layer is carried out to main spindle front bearing (18).
A kind of 2. aluminium section bar shot-blasting machine ramming head according to claim 1, it is characterised in that the bearing block (15) it is another
End is equipped with belt pulley (23).
3. a kind of aluminium section bar shot-blasting machine ramming head according to claim 1, it is characterised in that the main shaft (16) and fore bearing
(18) middle oil sealing is provided between, Rear oil seal (22) is provided between rear bearing (20) and rear end cap (21).
4. a kind of aluminium section bar shot-blasting machine ramming head according to claim 1, it is characterised in that bearing block drive end bearing bracket (14) is used
Cr12MoV alloy die steels make, and stretch into the interstitial hole of trapezoidal plate B (5), turn into jet chamber, the wearing piece at mandrel position,
It is effectively protected bearing block end face；The impeller (9) made of Cr12MoV alloy die steels is mounted in the front-end of spindle of jet chamber,
Blade (10) in impeller (9) makes of Cr12MoV alloy die steels, and it is higher by 10mm than impeller (9) outer rim, on impeller (9)
The end clearance of sub-sand pawl end face and bearing block drive end bearing bracket be 0.7-1.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720628215.7U CN207058367U (en) | 2017-06-01 | 2017-06-01 | A kind of aluminium section bar shot-blasting machine ramming head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720628215.7U CN207058367U (en) | 2017-06-01 | 2017-06-01 | A kind of aluminium section bar shot-blasting machine ramming head |
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| Publication Number | Publication Date |
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| CN207058367U true CN207058367U (en) | 2018-03-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030615A (en) * | 2017-06-01 | 2017-08-11 | 佛山市中福机械设备有限公司 | A kind of aluminium section bar shot-blasting machine ramming head |
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2017
- 2017-06-01 CN CN201720628215.7U patent/CN207058367U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030615A (en) * | 2017-06-01 | 2017-08-11 | 佛山市中福机械设备有限公司 | A kind of aluminium section bar shot-blasting machine ramming head |
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