CN106042241B - Tower type four-arm rotational molding machine - Google Patents
Tower type four-arm rotational molding machine Download PDFInfo
- Publication number
- CN106042241B CN106042241B CN201610616737.5A CN201610616737A CN106042241B CN 106042241 B CN106042241 B CN 106042241B CN 201610616737 A CN201610616737 A CN 201610616737A CN 106042241 B CN106042241 B CN 106042241B
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- fixed
- shaft
- transmission
- groups
- arm
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- 238000001175 rotational moulding Methods 0.000 title claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 55
- 230000000087 stabilizing effect Effects 0.000 claims description 20
- 230000007246 mechanism Effects 0.000 claims description 14
- 238000001816 cooling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/04—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould
- B29C41/06—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould about two or more axes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
A tower type four-arm rotational molding machine, which belongs to the field of rotational molding machines; the existing multi-arm rotational molding machine has the problem of poor stability; the invention comprises a tower foundation, a fixed shaft is arranged in the center of the top surface of the tower foundation, a rotating platform is fixed on the fixed shaft through a bearing group and can rotate around the fixed shaft through a platform rotating system, 4 groups of transmission arms are uniformly arranged at the top of the fixed platform, each group of transmission arms is connected with a die seat, the die seat comprises a U-shaped frame and a die frame, the transmission arms control the U-shaped frame to do autorotation motion relative to the transmission arms, and meanwhile, the die frames in the U-shaped frame are also controlled to do autorotation motion relative to the U-shaped frame; the lower part of each group of transmission arms is fixedly connected with a supporting leg with the rotating platform, and the bottom ends of the supporting legs are provided with idler wheels and roll on a sliding rail along with the rotation of the rotating platform; the rotational molding machine is further reinforced by the support legs and the rollers, so that the rotational molding machine is more stable.
Description
Technical Field
The invention belongs to the field of rotational molding machines, and particularly relates to a tower type four-arm rotational molding machine.
Background
Rotational molding of rotational molding machines is a process for molding hollow plastic articles, also known as rotational molding, rotational molding or rotational molding.
The existing turret type multi-arm rotational molding machine is not good in stability; when rotational molding, the load difference between the arms is large, or when the load of a single arm is large, the rotational molding machine is easily worn or damaged.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the tower type four-arm rotational molding machine is compact in structure, reasonable in layout and stable in structure.
The technical scheme adopted by the invention is as follows:
The tower type four-arm rotational molding machine comprises a tower foundation, a fixed shaft is arranged in the center of the top surface of the tower foundation, a rotating platform is fixed on the fixed shaft through a bearing group and can rotate around the fixed shaft through a platform rotating system, 4 groups of transmission arms are uniformly arranged at the top of the fixed platform, each group of transmission arms is connected with a mold seat, each mold seat comprises a U-shaped frame and a mold frame, the transmission arms control the U-shaped frame to do autorotation motion relative to the transmission arms, and meanwhile, the mold frames in the U-shaped frame are also controlled to do autorotation motion relative to the U-shaped frame; the lower part of each group of transmission arms is fixedly connected with a supporting leg with the rotating platform, and the bottom ends of the supporting legs are provided with idler wheels and roll on the sliding rail along with the rotation of the rotating platform.
Further, the platform rotating system comprises a gear ring fixed on the outer edge of the top of the tower foundation, a gear motor fixed on the rotating platform, and a driving gear at the tail end of an output shaft of the gear motor, wherein the driving gear is meshed with the gear ring.
Further, a stabilizing mechanism is arranged in the tower type four-arm rotational molding machine and comprises a fixed disc fixedly sleeved on a fixed shaft, 4 groups of stabilizing wheels are fixedly arranged on a rotating platform, the 4 groups of stabilizing wheels are attached to the fixed disc, and the stabilizing wheels can rotate along the side face of the fixed disc along with the rotation of the rotating platform.
Further, the bearing group comprises two groups of deep groove ball bearings and two groups of thrust bearings.
Further, the transmission arm comprises a gear motor arranged on the rotating platform, an output shaft of the gear motor is fixed through two groups of stable bearing seats, a first sprocket is arranged on the output shaft of the gear motor and connected with a transmission shaft with a second sprocket, the first transmission shaft is fixed through two groups of transmission bearing seats, an outer shaft is arranged outside the first transmission shaft and is fixed on a transmission bearing seat shell, and a third sprocket is fixed on the outer shaft; the U-shaped frame is of a U-shaped structure and is formed by sequentially connecting three beams end to end and connecting two beams at right angles, wherein the beam in the middle is a middle beam, and the beams on two sides are side beams; the rotating shaft of the die frame is fixed at the opening end of the U-shaped frame and is connected with two side beams; the transmission shaft is connected with the middle part of the middle beam of the U-shaped frame, and the fourth chain wheel is arranged at the end part of the middle beam; the third sprocket wheel chain is connected with a fourth sprocket wheel, the second transmission shaft extends from one end of the boundary beam to the other end of the boundary beam through the inside of the boundary beam connected with the end part of the middle beam where the third sprocket wheel is positioned, the fourth sprocket wheel is fixed with the second transmission shaft, and the second transmission shaft is connected with the third transmission shaft through a bevel gear group; the third transmission shaft is collinear with the direction of the rotation axis of the mold frame.
Further, the second transmission shaft and the third transmission shaft are fixed through at least one group of bearing groups, wherein the bearing groups comprise a deep groove ball bearing and a thrust bearing.
Further, the third sprocket and the fourth sprocket are different in diameter.
The beneficial effects of the invention are as follows: the tower type four-arm rotational molding machine is provided with the stabilizing mechanism comprising the fixed disc and the stabilizing wheel, and is also provided with the supporting leg-sliding rail mechanism, and the dual stabilizing mechanism ensures that the machine runs stably under some severe conditions;
The invention has reasonable layout, and 4 groups of arms are used on the rotational molding arm setting platform, so that the rotational molding arm setting platform can work simultaneously and can also work with a single arm due to the action of the double stabilizing mechanism; the heating, air cooling, water cooling and other processes can be performed simultaneously, so that the working efficiency is improved.
Drawings
FIG. 1 is a cross-sectional view of the tower four-arm rotomolding machine;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a top view of the tower four-arm rotomolding machine;
Fig. 4 is a schematic structural view of the actuator arm.
Detailed Description
The following describes specific embodiments of the present invention in detail with reference to the drawings.
As shown in fig. 1 and 3, a tower type four-arm rotational molding machine comprises a tower foundation 1, a fixed shaft 4 is arranged at the center of the top surface of the tower foundation 1, a rotating platform 5 is fixed on the fixed shaft 4 through a bearing group 51 and can rotate around the fixed shaft 4 through a platform rotating system, 4 groups of transmission arms 6 are uniformly arranged at the top of the fixed platform 5, each group of transmission arms 6 is connected with a mold seat 7, the mold seats 7 comprise a U-shaped frame 71 and a mold frame 72, the transmission arms 6 control the U-shaped frame 71 to perform autorotation motion relative to the transmission arms 6, and simultaneously control the mold frame 72 in the U-shaped frame 71 to perform autorotation motion relative to the U-shaped frame 71; the lower part of each group of transmission arms 6 is fixedly connected with a supporting leg 8 with the rotating platform 5, the supporting leg 8 comprises a supporting beam (81), the bottom end of the supporting leg is provided with a roller 82, and the supporting leg rolls on a sliding rail 83 along with the rotation of the rotating platform 5.
The platform rotating system comprises a gear ring 2 fixed on the outer edge of the top of the tower foundation 1, a gear motor 53 fixed on the rotating platform 5, and a driving gear 54 at the tail end of an output shaft of the gear motor 53, wherein the driving gear 54 is meshed with the gear ring 2.
As shown in FIG. 2, which is a partial enlarged view of FIG. 1A, a stabilizing mechanism is arranged in the tower type four-arm rotational molding machine, and comprises a fixed disc 3 fixedly sleeved on a fixed shaft 4, 4 groups of stabilizing wheels 52 fixedly arranged on a rotating platform 5, and the 4 groups of stabilizing wheels 52 are attached to the fixed disc 3 and can rotate along the side surface of the fixed disc 3 along with the rotation of the rotating platform 5.
The bearing set 51 includes two sets of deep groove ball bearings and two sets of thrust bearings.
As shown in the schematic structural diagram of the driving arm 6 shown in fig. 4, the driving arm 6 includes a gear motor 61 disposed on the rotating platform 5, the output shaft of the gear motor 61 is fixed by two sets of stable bearing seats 62, a first sprocket 63 is disposed on the output shaft of the gear motor 61, the first sprocket 63 is connected with a driving shaft 65 with a second sprocket 64, the first driving shaft 65 is fixed by two sets of driving bearing seats 66, an outer shaft 67 is disposed outside the first driving shaft 65 and is fixed on the casing of the driving bearing seats 66, and a third sprocket 68 is fixed on the outer shaft 67; the U-shaped frame 71 is of a U-shaped structure and is formed by connecting three beams end to end in sequence and connecting two beams at right angles, wherein the beam in the middle is a middle beam 711, and the beams on two sides are side beams 712; the rotating shaft of the die frame 72 is fixed at the opening end of the U-shaped frame and is connected with two side beams 712; the transmission shaft 65 is connected with the middle part of a middle beam 711 of the U-shaped frame 71, and the fourth chain wheel 69 is arranged at the end part of the middle beam 711; the third sprocket 68 is connected with the fourth sprocket 69, the second transmission shaft 610 extends from one end of the boundary beam 712 to the other end of the boundary beam 712 through the inside of the boundary beam 712 connected with the end of the middle beam 711 where the third sprocket 68 is positioned, the fourth sprocket 69 is fixed with the second transmission shaft 610, and the second transmission shaft 610 is connected with the third transmission shaft 611 by a bevel gear set; the third transmission shaft 611 is collinear with the direction of the rotation axis of the die frame 72; the third transmission shaft 611 drives the die frame 72 to rotate through a speed reducing mechanism 613.
The second drive shaft 610 and the third drive shaft 611 are each fixed by at least one set of bearings 612, wherein the set of bearings 612 includes a deep groove ball bearing and a thrust bearing.
The third sprocket 68 is of a different diameter than the fourth sprocket 69.
The tower type four-arm rotational molding machine is provided with the stabilizing mechanism comprising the fixed disc 3 and the stabilizing wheel 52, and is also provided with the supporting leg 8-sliding rail 83 mechanism, and the double stabilizing mechanism ensures that the machine runs stably under severe conditions;
The invention has reasonable layout, and 4 groups of arms for rotational molding are arranged on the rotating platform 5, so that the arms can work simultaneously and can work with a single arm due to the action of the double stabilizing mechanism; the heating, air cooling, water cooling and other processes can be performed simultaneously, so that the working efficiency is improved.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. The present invention is not limited to the above-described embodiments, and the above-described embodiments and descriptions merely illustrate the principles of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A tower type four-arm rotational molding machine is characterized in that: the device comprises a tower foundation (1), a fixed shaft (4) is arranged in the center of the top surface of the tower foundation (1), a rotating platform (5) is fixed on the fixed shaft (4) through a bearing group (51) and can rotate around the fixed shaft (4) through a platform rotating system, 4 groups of transmission arms (6) are uniformly arranged at the top of the rotating platform (5), each group of transmission arms (6) is connected with a die seat (7), the die seats (7) comprise U-shaped frames (71) and die frames (72), the transmission arms (6) control the U-shaped frames (71) to do autorotation motion relative to the transmission arms (6), and simultaneously control the die frames (72) in the U-shaped frames (71) to do autorotation motion relative to the U-shaped frames (71); a supporting leg (8) is fixedly connected below each group of transmission arms (6) and the rotating platform (5), and a roller (82) is arranged at the bottom end of the supporting leg (8) and rolls on a sliding rail (83) along with the rotation of the rotating platform (5);
The inside of the tower type four-arm rotational molding machine is provided with a stabilizing mechanism, the stabilizing mechanism comprises a fixed disc (3) fixedly sleeved on a fixed shaft (4), 4 groups of stabilizing wheels (52) are fixedly arranged on a rotating platform (5), the 4 groups of stabilizing wheels (52) are attached to the fixed disc (3), and the stabilizing mechanism can rotate along the side surface of the fixed disc (3) along with the rotation of the rotating platform (5);
the bearing group (51) comprises two groups of deep groove ball bearings and two groups of thrust bearings.
2. A tower four-arm rotomolding machine as recited in claim 1, wherein: the platform rotating system comprises a gear ring (2) fixed at the outer edge of the top of the tower foundation (1), a gear motor (53) fixed on the rotating platform (5), and a driving gear (54) at the tail end of an output shaft of the gear motor (53), wherein the driving gear (54) is meshed with the gear ring (2).
3. A tower four-arm rotomolding machine as recited in claim 1, wherein: the transmission arm (6) comprises a gear motor (61) arranged on the rotary platform (5), an output shaft of the gear motor is fixed through two groups of stable bearing seats (62), a first chain wheel (63) is arranged on the output shaft of the gear motor (61), the first chain wheel (63) is connected with a transmission shaft (65) with a second chain wheel (64), the first transmission shaft (65) is fixed through two groups of transmission bearing seats (66), an outer shaft (67) is arranged outside the first transmission shaft (65) and is fixed on a shell of the transmission bearing seats (66), and a third chain wheel (68) is fixed on the outer shaft (67); the U-shaped frame (71) is of a U-shaped structure and is formed by connecting three beams end to end in sequence and connecting two beams at right angles, wherein the beam in the middle is a middle beam (711), and the beams at two sides are side beams (712); the rotating shaft of the die frame (72) is fixed at the opening end of the U-shaped frame and is connected with two side beams (712); the transmission shaft (65) is connected with the middle part of a middle beam (711) of the U-shaped frame (71), and the fourth chain wheel (69) is arranged at the end part of the middle beam (711); the third chain wheel (68) is connected with the fourth chain wheel (69), the second transmission shaft (610) extends from one end of the boundary beam (712) to the other end of the boundary beam (712) through the inside of the boundary beam (712) connected with the end of the middle beam (711) where the third chain wheel (68) is positioned, the fourth chain wheel (69) is fixed with the second transmission shaft (610), and the second transmission shaft (610) is connected with the third transmission shaft (611) through a bevel gear group; the third transmission shaft (611) is collinear with the direction of the rotation axis of the mold frame (72).
4. A tower four-arm rotomolding machine as recited in claim 3, wherein: the second transmission shaft (610) and the third transmission shaft (611) are fixed through at least one group of bearing groups (612), wherein the bearing groups (612) comprise a deep groove ball bearing and a thrust bearing.
5. A turret-type four-arm rotomoulding machine as claimed in any one of claims 3 or 4, wherein: the third sprocket (68) and the fourth sprocket (69) have different diameters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610616737.5A CN106042241B (en) | 2016-07-29 | 2016-07-29 | Tower type four-arm rotational molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610616737.5A CN106042241B (en) | 2016-07-29 | 2016-07-29 | Tower type four-arm rotational molding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106042241A CN106042241A (en) | 2016-10-26 |
| CN106042241B true CN106042241B (en) | 2024-04-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610616737.5A Active CN106042241B (en) | 2016-07-29 | 2016-07-29 | Tower type four-arm rotational molding machine |
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| Country | Link |
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| CN (1) | CN106042241B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107934793A (en) * | 2017-11-16 | 2018-04-20 | 铭板精密科技(中山)有限公司 | A kind of row hanging rotating mould frame |
| CN107791425A (en) * | 2017-12-01 | 2018-03-13 | 肖玲丽 | A kind of production system of polyurethane table tennis |
| CN111703000A (en) * | 2020-06-23 | 2020-09-25 | 浙江本凡机械有限公司 | Rotational molding die with built-in temperature control device |
| CN115214061A (en) * | 2022-06-20 | 2022-10-21 | 张家港氢云新能源研究院有限公司 | Rotational molding device and molding method for plastic inner container of high-pressure hydrogen storage bottle |
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| FR1516824A (en) * | 1966-11-25 | 1968-02-05 | Universelle De Fabrication D A | New machine for simple or planetary rotational molding of plastic hollow bodies |
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| CN105619091A (en) * | 2014-10-31 | 2016-06-01 | 无锡市福曼科技有限公司 | Improved rotating workbench |
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2016
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| GB856186A (en) * | 1957-07-26 | 1960-12-14 | Sun Rubber Co | Improvements in rotational casting |
| FR1516824A (en) * | 1966-11-25 | 1968-02-05 | Universelle De Fabrication D A | New machine for simple or planetary rotational molding of plastic hollow bodies |
| US3829272A (en) * | 1973-05-21 | 1974-08-13 | Mcneil Corp | Rotational molding machine |
| EP1679170A1 (en) * | 2005-01-07 | 2006-07-12 | Société d'Applications Thermiques | Rotational moulding apparatus for manufacturing plastic moulded parts, comprising a mould-carrying turret and a powder box-carrying turret |
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| CN105619091A (en) * | 2014-10-31 | 2016-06-01 | 无锡市福曼科技有限公司 | Improved rotating workbench |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106042241A (en) | 2016-10-26 |
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