CN202668842U - Double-air-inflation structure of rotational molding machine working arm - Google Patents
Double-air-inflation structure of rotational molding machine working arm Download PDFInfo
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- CN202668842U CN202668842U CN 201220344755 CN201220344755U CN202668842U CN 202668842 U CN202668842 U CN 202668842U CN 201220344755 CN201220344755 CN 201220344755 CN 201220344755 U CN201220344755 U CN 201220344755U CN 202668842 U CN202668842 U CN 202668842U
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Abstract
The utility model discloses a double-air-inflation structure of a rotational molding machine working arm, and relates to a rotational molding machine working arm structure which adopts molding powder to produce hollow rotational molding products. The double-air-inflation structure comprises a main shaft, an auxiliary shaft, an arm head, a disc gear and a mandrel; and the structure is technically characterized in that the double-air-inflation structure is additionally arranged in the rotational molding machine working arm and mainly comprises an air inflation connector and an air inflation pipe, an inner air inflation port and an outer air inflation port are formed on the air inflation connector, an air inflation passage is formed between the air inflation pipe and the main shaft, a central air inlet passage and an eccentric air inlet passage are also correspondingly formed in the arm head, an inner air outlet, an outer air outlet, an inner air outlet passage and an outer air outlet passage are formed in the mandrel, and a double-air-inflation path comprises a normal pressure air inflation path and a high pressure air inflation path, so that an automatic air inflation function of providing the air at different pressures to a rotational molding mould. Moreover, the automatic double-air-inflation structure is additionally arranged in the working arm, so that a rotational molding machine has the advantages that the processing time is shortened, energy resources are saved, the quality of the rotational molding product is improved, the production efficiency is increased, and the like.
Description
Technical field
The utility model relates to the two inflatable structures in a kind of plant equipment, refers in particular to the two inflatable structures that are used for the rotational molding machine working arm in a kind of hollow plastic product device of rotomoulding forming.
Background technology
Rotational molding machine is a kind of rotomoulding apparatus that adopts plastic powder to make the hollow rotomoulded articles, it mainly rotates around X-axis and Y-axis by the Plastic Rolling Molds behind the working arm drive thermally equivalent, make the plastic powder of melting in the Plastic Rolling Molds under Action of Gravity Field, be coated with uniformly, adhere to the whole inner surface of Plastic Rolling Molds, thereby make the rotomoulded articles moulding, behind cooling and shaping, die sinking can be taken out finished product again.The working arm arm type that adopts in the rotational molding machine at present is as main take straight-arm, this straight-arm mainly is to be made of main shaft, countershaft, arm head, mandrel etc., wherein the main shaft output connects arm head, the countershaft output is connected and the transmission that is used as power with mandrel in the arm head by the dish gear that is meshed, and Plastic Rolling Molds mainly is installed on the dish gear of mandrel.
Above-mentioned this rotational molding machine working arm is in whole production process, especially in the most important heating process of rotomoulded articles, all be not possess the automatic inflating function, that is to say when working arm drives Plastic Rolling Molds and enter when heating baking oven in, thermal source only acts on the outer surface of Plastic Rolling Molds, and can't realize heating for the Plastic Rolling Molds inner surface, so both caused extending heating time, affect operating efficiency, a large amount of heat energy have also been wasted, particularly when making complicated rotomoulded articles, iff the heating that relies on the Plastic Rolling Molds outer surface, may have the dead angle is difficult to be heated, this is so that the even phenomenon of wall unevenness appears in rotomoulded articles owing to heating is uneven, or open defect occurs and cause rotomoulded articles to scrap.
Disclosed China Patent No. is that 200820167983.8 " rotational molding machine " disclosed and a kind ofly be provided with through hole in Plastic Rolling Molds, reach the rotational molding machine structure by external pipeline difference connecting through hole and air compressor, the Main Function of this structure is to provide plenum by air compressor in to Plastic Rolling Molds when Plastic Rolling Molds is cooled off, make between rotomoulded articles and the Plastic Rolling Molds and fit tightly, thereby avoid rotomoulded articles in the cooling forming process, to produce deformation, improve yield rate.Yet, the inflation of this patent structure only acts on the cooling procedure of Plastic Rolling Molds, because the inflatable structure design is too simple and crude, when heating in Plastic Rolling Molds enters baking oven, this inflatable structure obviously can't work, so exist than the macrostructure defective, and this patent or a kind of normal pressure list inflatable structure, when making massive rotationally moulded products, often can't make the gases at high pressure that provide sufficient in the Plastic Rolling Molds, and then can't promote the rotomoulded articles quality, and affect the raising of operating efficiency.
Summary of the invention
Technical problem to be solved in the utility model be to overcome the defective of prior art and provide a kind of can be to carrying out automatically two inflatable structures of the rotational molding machine working arms of two inflations in the Plastic Rolling Molds, and by this automatically two rotational molding machine working arm structures of inflating so that rotational molding machine has shortening process time, energy savings, lifting rotomoulded articles quality, the advantage such as enhance productivity.
Technical problem of the present utility model is achieved through the following technical solutions:
A kind of two inflatable structures of rotational molding machine working arm comprise main shaft and countershaft, and this main shaft is provided with the spindle sprocket that drive shaft is rotated, and this countershaft is provided with and drives the countershaft sprocket that countershaft rotates; Described main shaft output is connected on the arm head, be provided with the mandrel with the bearing supporting in this arm head, the dish gear that is respectively equipped with engagement between this mandrel one end and the countershaft output and is used as power and transmits, and at the dish gear of mandrel Plastic Rolling Molds is installed, described main shaft input end or countershaft input are provided with the gas-charging connection that sealing is installed, this gas-charging connection is provided with interior inflation inlet and outer inflation inlet, in the main shaft or in the countershaft gas tube that rotates and support with bearing is installed, forms filling channel between this gas tube and main shaft or the countershaft; Described interior inflation inlet is connected with filling channel, and outer inflation inlet is connected with the gas tube input;
Be provided with middle inlet channel and inclined to one side inlet channel in the described arm head; Be provided with in the mandrel simultaneously with Plastic Rolling Molds in the interior outlet passageway and the passage of giving vent to anger outward that are connected, also be provided with interior venthole and outer venthole, this interior venthole is connected with interior outlet passageway, outer venthole is connected with the passage of giving vent to anger outward;
Described gas tube output is connected on the arm head, and the interior outlet passageway in middle inlet channel, the interior venthole on the mandrel and the mandrel in this gas tube output, the arm head is all done sealing and is communicated with; The outer passage of giving vent to anger in inclined to one side inlet channel, the outer venthole on the mandrel and the mandrel in described filling channel, the arm head is all done sealing and is communicated with.
Described gas-charging connection is connected to main shaft input end, is provided with the inflation adapter that sealing is installed in this gas-charging connection and the main shaft, and the input sealing is taken in this inflation, and is provided with interior aperture and outer aperture in the inflation adapter; Described inflation is taken over the bearing supporting and is arranged in gas-charging connection and the main shaft; Described gas tube is arranged in the main shaft with the bearing supporting, forms filling channel between this gas tube and the main shaft; Described gas tube input stretches in described inflation takes over, this gas tube input be connected in inflation is taken over, form gas-filled gap at gas tube with inflating between the adapter, this gas-filled gap is connected with described filling channel; Described outer inflation inlet through outer aperture that inflation is taken over be connected and then connection gas tube input in inflation is taken over; The interior aperture of described interior inflation inlet on inflation is taken over is connected with gas-filled gap, and then is communicated with filling channel.
Described countershaft input is arranged in the gas-charging connection with the bearing supporting, and this countershaft input is provided with air-filled pore, this gas-charging connection input sealing; Described gas tube is arranged in the countershaft with the bearing supporting, and forms filling channel between gas tube and countershaft; Described outer inflation inlet is connected with the gas tube input; The air-filled pore of described interior inflation inlet on countershaft is connected with filling channel.
Two inflation routes of described rotational molding machine working arm comprise normal pressure inflation route and high-pressure aerated route.
Institute's described normal pressure inflation route is that gas enters in the Plastic Rolling Molds by outer inflation inlet, outer aperture, inflation adapter, gas tube, middle inlet channel, interior venthole, interior outlet passageway successively; Or gas enters in the Plastic Rolling Molds by outer inflation inlet, gas-charging connection, gas tube, middle inlet channel, interior venthole, interior outlet passageway successively.
Described high-pressure aerated route be gas successively by interior inflation inlet, interior aperture, gas-filled gap, filling channel, partially inlet channel, outer venthole, the passage of giving vent to anger enters in the Plastic Rolling Molds outward; Or gas successively by interior inflation inlet, air-filled pore, filling channel, partially inlet channel, outer venthole, the passage of giving vent to anger enters in the Plastic Rolling Molds outward.
Described countershaft is installed in outside the main shaft, and this main shaft is provided with the bearing of the supporting that rotates with the supporting that rotates of the bearing in the bearing block between this countershaft and the main shaft.
Described main shaft is installed in outside the countershaft, and this main shaft is provided with the bearing of the supporting that rotates with the supporting that rotates of the bearing in the bearing block between this countershaft and the main shaft.
Compared with prior art, the utility model mainly is to have additional two inflatable structures in the rotational molding machine working arm, this pair inflatable structure mainly comprises gas-charging connection, gas tube etc., and in gas-charging connection arranges, outer inflation inlet, form filling channel between gas tube and the main shaft, corresponding middle inlet channel and the inclined to one side inlet channel of also in arm head, arranging, in mandrel is provided with, outer venthole and in, the passage of giving vent to anger outward, this pair inflation route comprises normal pressure inflation route and high-pressure aerated route, so can realize in Plastic Rolling Molds, providing automatically two aerification functions of different pressures gas, and by in working arm, setting up this can be automatically two inflatable structures, can make rotational molding machine possess shortening process time, energy savings, promote the rotomoulded articles quality, the advantage such as enhance productivity.
Description of drawings
Fig. 1 is the cross-sectional schematic of the utility model the first structure.
Fig. 2 is the A place enlarged drawing of Fig. 1.
Fig. 3 is the B place enlarged drawing of Fig. 1.
Fig. 4 is the profile schematic diagram of the utility model the first structure.
Fig. 5 is the cross-sectional schematic of the utility model the second structure.
Fig. 6 is the C place enlarged drawing of Fig. 5.
Fig. 7 is the D place enlarged drawing of Fig. 5.
Fig. 8 is the profile schematic diagram of the utility model the second structure.
The specific embodiment
The below will elaborate to the utility model embodiment by above-mentioned accompanying drawing again.
Such as Fig. 1～shown in Figure 8,1. outer inflation inlet, 2. interior inflation inlet, 3. gas-charging connection, 4. inflation take over, 5. spindle sprocket, 6. main shaft, 7. bearing block, 8. gas tube, 9. countershaft sprocket, 10. give vent to anger outward passage, 23. outer ventholes, 24. interior ventholes, 25. air-filled pores of inlet channel, 21. interior outlet passageways, 22. in countershaft, 11. dish gears, 12. mandrels, 13. arm heads, 14. annular grooves, 15. outer apertures, 16. filling channels, 17. gas-filled gap, 18. interior apertures, the 19. inclined to one side inlet channels, 20..
A kind of two inflatable structures of rotational molding machine working arm, such as Fig. 1, Fig. 4, Fig. 5, shown in Figure 8, it is a kind of working arm structure that adopts on the rotational molding machine that plastic powder makes the hollow rotomoulded articles, two inflatable structures that present embodiment adopts are arranged in the working arm that the arm type is straight-arm, this working arm comprises main shaft 6 and countershaft 10, this main shaft is provided with the spindle sprocket 5 that drive shaft is rotated, and this countershaft is provided with and drives the countershaft sprocket 9 that countershaft rotates.
The two inflatable structures of described working arm mainly comprise two kinds of versions, the first structure such as Fig. 1 ~ shown in Figure 4, main shaft 6 is with the supporting that rotates of the bearings in the bearing block 7, countershaft 10 is arranged on outside the main shaft 6, and between countershaft and main shaft, also be provided with rotate the supporting bearing, so main shaft 6 at interior, countershaft 10 outside, but independent rotation between the major and minor axle.
Described main shaft 6 inputs are provided with as shown in Figure 2 the gas-charging connection 3 fixing with main shaft, this gas-charging connection is provided with interior inflation inlet 2 and outer inflation inlet 1, these two inflation inlets connect air pump and can inflate simultaneously, normally be used for being filled with gases at high pressure at interior inflation inlet 2, outer inflation inlet 1 is used for being filled with atmosphere gas; Be provided with the inflation adapter 4 that sealing is installed in the described gas-charging connection 3, this inflation is taken over input and is done the sealing processing, inflation is taken over output and is extended in the main shaft 6 always, and do supporting with the bearing in gas-charging connection 3 and the main shaft 6 and rotate, this inflation is taken on 4 and also is provided with interior aperture 18 and outer aperture 15, be used for the respectively inside and outside inflation inlet of corresponding connection, outer inflation inlet 1 is taken in 4 with inflation through outer aperture 15 and is connected; Described inside and outside inflation inlet is that inwall at gas-charging connection 3 is provided with annular groove 14 structures with the connectivity structure of inside and outside aperture respectively, and can also can not have influence on the connection situation after rotation so that inflation takes over 4 by annular groove.
Be provided with a gas tube 8 in the described main shaft 6, this gas tube input stretches into inflation and takes in 4, and be connected in inflation is taken over; Form filling channel 16 between described gas tube 8 and the main shaft 6, gas tube and inflation form gas-filled gap 17 between taking over 4, this filling channel 16 is connected with gas-filled gap 17, and the interior aperture 18 that the interior inflation inlet 2 on the gas-charging connection 3 is taken on 4 by inflation is connected with gas-filled gap 17; Described gas tube 8 outputs are connected on the arm head 13.
Described main shaft 6 outputs are provided with the fixing arm head 13 that is threaded as shown in Figure 3, be provided with the mandrel 12 that rotates with the bearing supporting in this arm head, this mandrel and main shaft 6 are the at right angle setting relation, described mandrel 12 1 ends are provided with dish gear 11, this dish gear is installed on the pinion stand, on dish gear 11 Plastic Rolling Molds is installed also; Described countershaft 10 outputs also are provided with the fixing dish gear 11 of screw, the transmission that is meshed and is used as power of dish gear on this countershaft and the dish gear of mandrel 12 1 ends, be provided with the bearing supporting between dish gear on the countershaft 10 and the arm head 13, so can not produce movement interference between the dish gear 11 on arm head and the countershaft.
Be provided with middle inlet channel 20 and inlet channel 19 partially in the described arm head 13, and gas tube 8 outputs are threaded on the arm head 13, and are connected with middle inlet channel 20 in the arm head, 16 of filling channels are connected with inclined to one side inlet channel 19; Be provided with interior outlet passageway 21 and the passage 22 of giving vent to anger in the described mandrel 12 outward, the axial line that this inside and outside outlet passageway all is parallel to mandrel 12 arranges, and be connected simultaneously with in the Plastic Rolling Molds, also be provided with the interior venthole 24 of outlet passageway 21 in being communicated with respectively and the outer venthole 23 of the outer passage 22 of giving vent to anger of connection in this mandrel 12; Middle inlet channel 20 in the described arm head 13 is done sealing with the interior venthole 24 of mandrel 12 again and is communicated with, inclined to one side inlet channel 19 in the arm head 13 is done sealing with the outer venthole 23 of mandrel 12 again and is communicated with, and being communicated with between middle inlet channel 20 and the interior venthole 24, being communicated with between inlet channel 19 and the outer venthole 23 mainly is to be provided with annular groove 14 structures at arm head 13 inwalls partially, like this by annular groove so that can not have influence on the connection situation after mandrel 12 rotations yet.
The main shaft 6 of this rotational molding machine working arm realizes that by spindle sprocket 5 and countershaft sprocket 9 structure of transmission of power can greatly make things convenient for the improvement to the countershaft sprocket 9 on the countershaft 10 and dish gear 11 outside and then respectively at interior, countershaft 10, it can increase according to the actual use needs of rotational molding machine countershaft sprocket 9 or dish gear 11 diameters, increase countershaft sprocket 9 or dish gear 11 numbers of teeth, the corresponding output torque that also strengthens working arm is so more can be applicable to carry out on the massive rotationally moulded machine processing of massive rotationally moulded products.
Two inflation routes in this rotational molding machine working arm mainly comprise normal pressure inflation route and high-pressure aerated route; Described normal pressure inflation route is that air pump enters atmosphere gas in the Plastic Rolling Molds by outer inflation inlet 1, outer aperture 15, inflation adapter 4, gas tube 8, middle inlet channel 20, interior venthole 24, interior outlet passageway 21 successively by gas main; Described high-pressure aerated route be air pump by gas main with gases at high pressure successively by interior inflation inlet 2, interior aperture 18, gas-filled gap 17, filling channel 16, partially inlet channel 19, outer venthole 23, the passage 22 of giving vent to anger enters in the Plastic Rolling Molds outward.
The second structure of the two inflatable structures of described rotational molding machine working arm such as Fig. 5 ~ shown in Figure 8, main shaft 6 is with the supporting that rotates of the bearings in the bearing block 7, countershaft 10 is arranged in the main shaft 6, and between countershaft and main shaft, also be provided with rotate the supporting bearing, so main shaft 6 outside, countershaft 10 is interior, but independent rotation between the major and minor axle.
Described countershaft 10 inputs such as Fig. 5, the shown in Figure 6 supporting with bearing are arranged in the gas-charging connection 3, this countershaft input is provided with air-filled pore 25, this gas-charging connection input is done sealing and is processed, also be provided with interior inflation inlet 2 and outer inflation inlet 1 on the gas-charging connection 3, these two inflation inlets connect air pump and can inflate simultaneously, normally be used for being filled with gases at high pressure at interior inflation inlet 2, outer inflation inlet 1 is used for being filled with atmosphere gas; Described gas tube 8 is arranged in the countershaft 10 with the bearing supporting, and forms filling channel 16 between gas tube and countershaft; Described outer inflation inlet 1 is connected with gas tube 8 inputs, and the air-filled pore 25 of interior inflation inlet 2 on countershaft 10 is connected with filling channel 16.
Described main shaft 6 outputs, countershaft 10 outputs and gas tube 8 output syndetons such as Fig. 5, Fig. 7, shown in Figure 8, the main shaft output is provided with the fixing arm head 11 that is threaded, be provided with the mandrel 12 that rotates with the bearing supporting in this arm head 11, this mandrel and main shaft 6 are the at right angle setting relation, described mandrel 12 1 ends are provided with dish gear 11, on this dish gear Plastic Rolling Molds are installed; Described countershaft 10 outputs also are provided with the fixing dish gear 11 of screw, the transmission that is meshed and is used as power of the dish gear on this countershaft and the dish gear of mandrel 12 1 ends.Because countershaft 10 in main shaft 6, then can't improve the countershaft sprocket 9 on the countershaft 10 and dish gear 11, so more be applicable to carry out on the small-sized rotational molding machine processing of small-sized rotomoulded articles.
Described arm head 13, mandrel 12 interior set two inflation routes are identical with the first structure, so locate no longer to be repeated in this description.
Two inflation routes in this rotational molding machine working arm mainly comprise normal pressure inflation route and high-pressure aerated route; Described normal pressure inflation route is that air pump enters atmosphere gas in the Plastic Rolling Molds by outer inflation inlet 1, gas-charging connection 3, gas tube 8, middle inlet channel 20, interior venthole 24, interior outlet passageway 21 successively by gas main; Described high-pressure aerated route be air pump by gas main with gases at high pressure successively by interior inflation inlet 2, air-filled pore 25, filling channel 16, partially inlet channel 19, outer venthole 23, the passage 22 of giving vent to anger enters in the Plastic Rolling Molds outward.
The utility model can be arranged in the working arm that the arm type is straight-arm, also can design in the arm type is the working arms such as L arm or U arm, wherein two inflatable structures of working arm input and output are identical, just improve getting final product in the difference of combination arm type and at the enterprising line correlation of middle part connectivity structure.
The working arm that is designed with this pair inflatable structure is installed in one usually can be along on the mobile vehicle frame of guide rail slippage, and by mobile vehicle frame working arm is delivered in the baking oven and to be heated, its working method is as follows: mobile vehicle frame is sent into working arm in the baking oven along guide rail and is heated, spindle sprocket 5 drives main shaft 6 rotations simultaneously, and then drive arm head 13 is finished 360 ° of rotations of X-axis around the axial line of main shaft 6, countershaft sprocket 9 drives countershaft 10 and rotates, and then finish 360 ° of rotations of Y-axis around the axial line of mandrel with moving mandrel 12 by the dish gear 11 that is meshed, this moment, Plastic Rolling Molds will participate in the rotation of X-axis and Y-axis simultaneously, so that Plastic Rolling Molds is heated in baking oven is more even.
When in Plastic Rolling Molds enters baking oven, heating, corresponding working arm also is heated simultaneously, this moment, booster air pump was inflated route for atmosphere gas is provided in the Plastic Rolling Molds by normal pressure, this atmosphere gas is also become hot gas by Synchronous Heating in course of conveying, therefore, plastic powder in the Plastic Rolling Molds is being arrived in external world's heating, also can also form heating by the hot gas of inside, this dual-heated mode can better realize the Flashmelt of plastic powder, greatly shortened heat time heating time, so that energy-saving effect is brought up to more than 50%.Especially when making complicated rotomoulded articles, if only rely on the heating of Plastic Rolling Molds outer surface, may there be the heating dead angle, this often causes rotomoulded articles the even phenomenon of wall unevenness to occur owing to heating is uneven, or open defect occurs and cause rotomoulded articles to scrap, and enter in the Plastic Rolling Molds by hot gas, can the dead angle that be difficult to heat directly be blown, it is identical to make it to reach the interior temperature of charge of Plastic Rolling Molds, thereby produces outstanding rotomoulded articles.And also can between Plastic Rolling Molds and mandrel 12, have additional again one section bellows according to the real work needs, to improve the gas-heated temperature, this design does not change the heat source of traditional rotational molding machine, just the thermal source in the traditional design is taken full advantage of, and reaches energy-conservation, efficient purpose.Can provide gases at high pressure in for Plastic Rolling Molds by high-pressure aerated route when being incubated after the Plastic Rolling Molds heating, moulding plays a key effect this high pressure gas physical efficiency to rotomoulded articles, prevents that the rotomoulded articles distortion is with Improving The Quality of Products.
Claims (8)
1. two inflatable structures of a rotational molding machine working arm comprise main shaft (6) and countershaft (10), and this main shaft is provided with the spindle sprocket (5) that drive shaft is rotated, and this countershaft is provided with and drives the countershaft sprocket (9) that countershaft rotates; Described main shaft (6) output is connected on the arm head (13), be provided with the mandrel (12) with the bearing supporting in this arm head, the dish gear (11) that is respectively equipped with engagement between this mandrel one end and countershaft (10) output and is used as power and transmits, and at the dish gear of mandrel (12) Plastic Rolling Molds is installed, it is characterized in that:
A, described main shaft (6) input or countershaft (10) input are provided with the gas-charging connection (3) that sealing is installed, this gas-charging connection is provided with interior inflation inlet (2) and outer inflation inlet (1), in the main shaft (6) or in the countershaft (10) gas tube (8) that rotates and support with bearing is installed, forms filling channel (16) between this gas tube and main shaft (6) or the countershaft (10); Described interior inflation inlet (2) is connected with filling channel (16), and outer inflation inlet (1) is connected with gas tube (8) input;
Be provided with middle inlet channel (20) and inclined to one side inlet channel (19) in b, the described arm head (13); Be provided with in the mandrel (12) simultaneously with Plastic Rolling Molds in the interior outlet passageway (21) and the passage (22) of giving vent to anger outward that are connected, also be provided with interior venthole (24) and outer venthole (23), should be connected with interior outlet passageway (21) by interior venthole (24), outer venthole (23) is connected with the passage of giving vent to anger outward (22);
C, described gas tube (8) output are connected on the arm head (13), and the interior outlet passageway (21) in middle inlet channel (20), the interior venthole (24) on the mandrel (12) and the mandrel in this gas tube output, the arm head (13) is all done sealing and is communicated with; The outer passage of giving vent to anger (22) in inclined to one side inlet channel (19), the outer venthole (23) on the mandrel (12) and the mandrel in described filling channel (16), the arm head (13) is all done sealing and is communicated with.
2. two inflatable structures of a kind of rotational molding machine working arm according to claim 1, it is characterized in that described gas-charging connection (3) is connected to main shaft (6) input, be provided with the inflation adapter (4) that sealing is installed in this gas-charging connection and the main shaft, the input sealing is taken in this inflation, and is provided with interior aperture (18) and outer aperture (15) in the inflation adapter; Described inflation is taken over (4) and is arranged in gas-charging connection (3) and the main shaft (6) with the bearing supporting; Described gas tube (8) is arranged in the main shaft (6) with the bearing supporting, forms filling channel (16) between this gas tube and the main shaft; Described gas tube (8) input stretches into described inflation and takes in (4), this gas tube input be connected in inflation is taken over, form gas-filled gap (17) between gas tube (8) and inflation adapter (4), this gas-filled gap is connected with described filling channel (16); Described outer inflation inlet (1) through inflation take on (4) outer aperture (15) be connected and then connection gas tube (8) input in (4) are taken in inflation; The interior aperture (18) that described interior inflation inlet (2) is taken on (4) through inflation is connected with gas-filled gap (17), and then is communicated with filling channel (16).
3. two inflatable structures of a kind of rotational molding machine working arm according to claim 1, it is characterized in that described countershaft (10) input is arranged in the gas-charging connection (3) with the bearing supporting, this countershaft input is provided with air-filled pore (25), the sealing of this gas-charging connection (3) input; Described gas tube (8) is arranged in the countershaft (10) with the bearing supporting, and forms filling channel (16) between gas tube and countershaft; Described outer inflation inlet (1) is connected with gas tube (8) input; The air-filled pore (25) of described interior inflation inlet (2) on countershaft (10) is connected with filling channel (16).
4. two inflatable structures of a kind of rotational molding machine working arm according to claim 1 is characterized in that two inflation routes of described rotational molding machine working arm comprise normal pressure inflation route and high-pressure aerated route.
5. two inflatable structures of a kind of rotational molding machine working arm according to claim 4 is characterized in that described normal pressure inflation route is that gas enters in the Plastic Rolling Molds by outer inflation inlet (1), outer aperture (15), inflation adapter (4), gas tube (8), middle inlet channel (20), interior venthole (24), interior outlet passageway (21) successively; Or gas enters in the Plastic Rolling Molds by outer inflation inlet (1), gas-charging connection (3), gas tube (8), middle inlet channel (20), interior venthole (24), interior outlet passageway (21) successively.
6. two inflatable structures of a kind of rotational molding machine working arm according to claim 4, it is characterized in that described high-pressure aerated route be gas successively by interior inflation inlet (2), interior aperture (18), gas-filled gap (17), filling channel (16), partially inlet channel (19), outer venthole (23), the passage (22) of giving vent to anger enters in the Plastic Rolling Molds outward; Or gas successively by interior inflation inlet (2), air-filled pore (25), filling channel (16), partially inlet channel (19), outer venthole (23), the passage (22) of giving vent to anger enters in the Plastic Rolling Molds outward.
7. two inflatable structures of a kind of rotational molding machine working arm according to claim 1, it is characterized in that described countershaft (10) is installed in outside the main shaft (6), this main shaft is provided with the bearing that rotates and support with the supporting that rotates of the bearing in the bearing block (7) between this countershaft (10) and the main shaft (6).
8. two inflatable structures of a kind of rotational molding machine working arm according to claim 1, it is characterized in that described main shaft (6) is installed in outside the countershaft (10), this main shaft is provided with the bearing that rotates and support with the supporting that rotates of the bearing in the bearing block (7) between this countershaft (10) and the main shaft (6).
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220344755 CN202668842U (en) | 2012-07-17 | 2012-07-17 | Double-air-inflation structure of rotational molding machine working arm |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220344755 CN202668842U (en) | 2012-07-17 | 2012-07-17 | Double-air-inflation structure of rotational molding machine working arm |
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| CN 201220344755 Expired - Lifetime CN202668842U (en) | 2012-07-17 | 2012-07-17 | Double-air-inflation structure of rotational molding machine working arm |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744820A (en) * | 2012-07-17 | 2012-10-24 | 孙罗娇 | Dual-inflating structure of work arm of rotational molding machine |
| CN112171985A (en) * | 2020-08-26 | 2021-01-05 | 温岭市旭日滚塑科技有限公司 | Straight arm assembly |
-
2012
- 2012-07-17 CN CN 201220344755 patent/CN202668842U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744820A (en) * | 2012-07-17 | 2012-10-24 | 孙罗娇 | Dual-inflating structure of work arm of rotational molding machine |
| CN102744820B (en) * | 2012-07-17 | 2014-06-25 | 慈溪市德顺容器有限公司 | Dual-inflating structure of work arm of rotational molding machine |
| CN112171985A (en) * | 2020-08-26 | 2021-01-05 | 温岭市旭日滚塑科技有限公司 | Straight arm assembly |
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