CN202668843U - Single inflation structure for plastic rolling machine working arm - Google Patents
Single inflation structure for plastic rolling machine working arm Download PDFInfo
- Publication number
- CN202668843U CN202668843U CN 201220344787 CN201220344787U CN202668843U CN 202668843 U CN202668843 U CN 202668843U CN 201220344787 CN201220344787 CN 201220344787 CN 201220344787 U CN201220344787 U CN 201220344787U CN 202668843 U CN202668843 U CN 202668843U
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- countershaft
- inflation
- main shaft
- plastic rolling
- mandrel
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Abstract
The utility model relates to a plastic rolling machine working arm structure of a hollow plastic rolling product made of a plastic powder material and discloses a single inflation structure for a plastic rolling machine working arm. The single inflation structure is formed by a spindle, an auxiliary shaft, an arm head, a disc gear, a mandrel and the like. The single inflation structure is characterized in that a single inflation structure is added in the plastic rolling machine working arm, the single inflation structure mainly comprises an inflation connector, an inflation pipe and the like, an inflation opening is arranged on the inflation connector to be communicated with an input end of the inflation pipe, an air inlet channel is arranged in the arm head and used for being communicated with an output end of the inflation pipe, an air outlet hole and an air outlet channel are arranged on the mandrel, gas of a single inflation route enters a plastic rolling mould sequentially through an inflation opening, an inflation pipe, an air inlet channel, an air outlet hole and an air outlet channel. By adding the automatic inflation structure inside the working arm, the plastic rolling machine has the advantages of shortening processing time, saving energy, improving quality of a plastic rolling product, improving production efficiency and the like.
Description
Technical field
The utility model relates to the single inflatable structure in a kind of plant equipment, refers in particular to the single inflatable structure that is 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.
Summary of the invention
Goal of the invention of the present utility model be to overcome the defective of prior art and provide a kind of can be to single inflatable structure of the rotational molding machine working arm that carries out automatic inflating in the Plastic Rolling Molds, but and the rotational molding machine working arm structure by this automatic inflating so that rotational molding machine has process time, energy savings, the lifting rotomoulded articles quality of shortening, the advantage such as enhance productivity.
Goal of the invention of the present utility model realizes by following technical proposal:
A kind of single inflatable structure of rotational molding machine working arm comprises 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, the gas tube that rotates and support with bearing is installed in the described main shaft or in the countershaft, this gas tube input is provided with the gas-charging connection that is tightly connected, and this gas-charging connection is provided with the inflation inlet that is connected with the gas tube input;
Be provided with inlet channel in the described arm head; Be provided with in the mandrel with Plastic Rolling Molds in the outlet passageway that is connected, also be provided with the venthole that is connected with outlet passageway, inlet channel respectively;
Described gas tube output is connected on the arm head, and the outlet passageway in inlet channel, the venthole on the mandrel and the mandrel in this gas tube output, the arm head is all done sealing and is communicated with.
The inflation route of described single inflatable structure is that gas enters in the Plastic Rolling Molds by inflation inlet, gas tube, inlet channel, venthole, outlet passageway successively.
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 single inflatable structure in the rotational molding machine working arm, this list inflatable structure mainly comprises gas-charging connection, gas tube etc., and at gas-charging connection inflation inlet is set and be used for is communicated with the gas tube input, the corresponding inlet channel that also arranges in arm head is used for being communicated with the gas tube output, mandrel is provided with venthole and outlet passageway, this list inflation route comprises that gas passes through inflation inlet successively, gas tube, inlet channel, venthole, outlet passageway enters in the Plastic Rolling Molds, but and by in working arm, setting up this automatic inflating structure, 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 profile schematic diagram of the utility model the first structure.
Fig. 4 is the cross-sectional schematic of the utility model the second structure.
Fig. 5 is the B place enlarged drawing of Fig. 4.
Fig. 6 is the profile schematic diagram of the utility model the second structure.
The specific embodiment
Below in conjunction with above-mentioned accompanying drawing and adopt specific embodiment that the utility model is described in detail again.
Such as Fig. 1 ~ shown in Figure 6,1. gas-charging connection, 2. spindle sprocket, 3. bearing block, 4. main shaft, 5. gas tube, 6. countershaft sprocket, 7. countershaft, 8. arm head, 9. dish gear, 10. mandrel, 11. inflation inlets, 12. outlet passageways, 13. annular grooves, 14. ventholes, 15. inlet channels.
A kind of single inflatable structure of rotational molding machine working arm, such as Fig. 1, Fig. 3, Fig. 4, shown in Figure 6, it is a kind of working arm structure that adopts on the rotational molding machine that plastic powder makes the hollow rotomoulded articles, single inflatable structure that present embodiment adopts is arranged in the working arm that the arm type is straight-arm, this working arm comprises main shaft 4 and countershaft 7, this main shaft is provided with the spindle sprocket 2 that drive shaft is rotated, and this countershaft is provided with and drives the countershaft sprocket 6 that countershaft rotates.
Described working arm list inflatable structure mainly comprises two kinds of versions, the first structure such as Fig. 1 ~ shown in Figure 3, main shaft 4 is with the supporting that rotates of the bearings in the bearing block 3, countershaft 7 is arranged on outside the main shaft 4, and between countershaft and main shaft, also be provided with rotate the supporting bearing, so main shaft 4 at interior, countershaft 7 outside, but independent rotation between the major and minor axle.
Be provided with a gas tube 5 in the described main shaft 4, this gas tube input stretches out main shaft 4 and is provided with the gas-charging connection 1 that is tightly connected, and this gas-charging connection is provided with the inflation inlet 11 that is connected with the gas tube input; Described gas tube 5 outputs are connected on the arm head 8.
Described main shaft 4 outputs are provided with the fixing arm head 8 that is threaded as shown in Figure 2, be provided with the mandrel 10 that rotates with the bearing supporting in this arm head, this mandrel and main shaft 4 are the at right angle setting relation, described mandrel 10 1 ends are provided with dish gear 9, this dish gear is installed on the pinion stand, on dish gear 9 Plastic Rolling Molds is installed also; Described countershaft 7 outputs also are provided with the fixing dish gear 9 of screw, the transmission that is meshed and is used as power of dish gear on this countershaft and the dish gear of mandrel 10 1 ends, be provided with the bearing supporting between dish gear on the countershaft 7 and the arm head 8, so can not produce movement interference between the dish gear 9 on arm head and the countershaft.
Be provided with inlet channel 15 in the described arm head 8, and gas tube 5 outputs are threaded on the arm head 8, and are connected with inlet channel 15 in the arm head; Be provided with outlet passageway 12 in the described mandrel 10, this outlet passageway arranges along the axial line of mandrel 10, and with Plastic Rolling Molds in be connected, also be provided with the venthole 14 that is communicated with respectively outlet passageway 12 and inlet channel 15 in this mandrel 10, and being communicated with between inlet channel 15 and the venthole 14 mainly is to be provided with annular groove 13 structures at arm head 8 inwalls, like this by annular groove so that mandrel 10 can not have influence on the connection situation after rotating yet.
The main shaft 4 of this rotational molding machine working arm realizes that by spindle sprocket 2 and countershaft sprocket 6 structure of transmission of power can greatly make things convenient for the improvement to the countershaft sprocket 6 on the countershaft 7 and dish gear 9 outside and then respectively at interior, countershaft 7, it can increase according to the actual use needs of rotational molding machine countershaft sprocket 6 or dish gear 9 diameters, increase countershaft sprocket 6 or dish gear 9 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.
The second structure of described rotational molding machine working arm list inflatable structure such as Fig. 4 ~ shown in Figure 6, main shaft 4 is with the supporting that rotates of the bearings in the bearing block 3, countershaft 7 is arranged in the main shaft 4, and between countershaft and main shaft, also be provided with rotate the supporting bearing, so main shaft 4 outside, countershaft 7 is interior, but independent rotation between the major and minor axle.
Be provided with a gas tube 5 in the described countershaft 7, this gas tube input is identical with the first structure, also is to stretch out main shaft 4 and be provided with the gas-charging connection 1 that is tightly connected, and this gas-charging connection is provided with the inflation inlet 11 that is connected with the gas tube input; Described gas tube 5 outputs are connected on the arm head 8.
Described main shaft 4 outputs are provided with the fixing arm head 8 that is threaded as shown in Figure 5, be provided with the mandrel 10 that rotates with the bearing supporting in this arm head, this mandrel and main shaft 4 are the at right angle setting relation, and described mandrel 10 1 ends are provided with dish gear 9, on this dish gear 9 Plastic Rolling Molds are installed; Described countershaft 7 outputs also are provided with the fixing dish gear 9 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 10 1 ends.
Described arm head 8, mandrel 10 interior set single inflation routes are identical with the first structure, so locate no longer to be repeated in this description.
The countershaft 7 of this rotational molding machine working arm then can't improve the countershaft sprocket 6 on the countershaft 7 and dish gear 9, so more be applicable to carry out on the small-sized rotational molding machine processing of small-sized rotomoulded articles in main shaft 4.
Single inflation route in this rotational molding machine working arm is that gas enters in the Plastic Rolling Molds by inflation inlet 11, gas tube 5, inlet channel 15, venthole 14, outlet passageway 12 successively.
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 single inflatable structure of working arm input and output is identical, just improves 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 list 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 2 drives main shaft 4 rotations simultaneously, and then drive arm head 8 is finished 360 ° of rotations of X-axis around the axial line of main shaft 4, countershaft sprocket 6 drives countershaft 7 and rotates, and then finish 360 ° of rotations of Y-axis around the axial line of mandrel with moving mandrel 10 by the dish gear 9 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 gas is provided in the Plastic Rolling Molds by list, this 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 10, 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.
Claims (4)
1. single inflatable structure of a rotational molding machine working arm comprises main shaft (4) and countershaft (7), and this main shaft is provided with the spindle sprocket (2) that drive shaft is rotated, and this countershaft is provided with and drives the countershaft sprocket (6) that countershaft rotates; Described main shaft (4) output is connected on the arm head (8), be provided with the mandrel (10) with the bearing supporting in this arm head, the dish gear (9) that is respectively equipped with engagement between this mandrel one end and countershaft (7) output and is used as power and transmits, and at the dish gear of mandrel (10) Plastic Rolling Molds is installed, it is characterized in that:
The gas tube (5) that rotates and support with bearing is installed in a, the described main shaft (4) or in the countershaft (7), this gas tube input is provided with the gas-charging connection (1) that is tightly connected, and this gas-charging connection is provided with the inflation inlet (11) that is connected with gas tube (5) input;
Be provided with inlet channel (15) in b, the described arm head (8); Be provided with in the mandrel (10) with Plastic Rolling Molds in the outlet passageway (12) that is connected, also be provided with the venthole (14) that is connected with outlet passageway (12), inlet channel (15) respectively;
C, described gas tube (5) output are connected on the arm head (8), and the outlet passageway (12) in inlet channel (15), the venthole (14) on the mandrel (10) and the mandrel in this gas tube output, the arm head (8) is all done sealing and is communicated with.
2. single inflatable structure of a kind of rotational molding machine working arm according to claim 1, the inflation route that it is characterized in that described single inflatable structure is that gas enters in the Plastic Rolling Molds by inflation inlet (11), gas tube (5), inlet channel (15), venthole (14), outlet passageway (12) successively.
3. single inflatable structure of a kind of rotational molding machine working arm according to claim 1, it is characterized in that described countershaft (7) is installed in outside the main shaft (4), this main shaft is provided with the bearing that rotates and support with the supporting that rotates of the bearing in the bearing block (3) between this countershaft (7) and the main shaft (4).
4. single inflatable structure of a kind of rotational molding machine working arm according to claim 1, it is characterized in that described main shaft (4) is installed in outside the countershaft (7), this main shaft is provided with the bearing that rotates and support with the supporting that rotates of the bearing in the bearing block (3) between this countershaft (7) and the main shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220344787 CN202668843U (en) | 2012-07-17 | 2012-07-17 | Single inflation structure for plastic rolling machine working arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220344787 CN202668843U (en) | 2012-07-17 | 2012-07-17 | Single inflation structure for plastic rolling machine working arm |
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| Publication Number | Publication Date |
|---|---|
| CN202668843U true CN202668843U (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220344787 Expired - Lifetime CN202668843U (en) | 2012-07-17 | 2012-07-17 | Single inflation structure for plastic rolling machine working arm |
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| Country | Link |
|---|---|
| CN (1) | CN202668843U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729385A (en) * | 2012-07-17 | 2012-10-17 | 孙罗娇 | Single air-inflation structure for working arm of rotational moulding machine |
-
2012
- 2012-07-17 CN CN 201220344787 patent/CN202668843U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729385A (en) * | 2012-07-17 | 2012-10-17 | 孙罗娇 | Single air-inflation structure for working arm of rotational moulding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130116 Effective date of abandoning: 20140409 |
|
| RGAV | Abandon patent right to avoid regrant |