CN114770883A - Speed regulating gear box for injection molding machine melten gel actuating mechanism - Google Patents
Speed regulating gear box for injection molding machine melten gel actuating mechanism Download PDFInfo
- Publication number
- CN114770883A CN114770883A CN202210309464.5A CN202210309464A CN114770883A CN 114770883 A CN114770883 A CN 114770883A CN 202210309464 A CN202210309464 A CN 202210309464A CN 114770883 A CN114770883 A CN 114770883A
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- Prior art keywords
- ring
- inner gear
- gear ring
- planet
- box
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 25
- 238000001746 injection moulding Methods 0.000 title claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 65
- 239000000853 adhesive Substances 0.000 claims abstract description 13
- 230000001070 adhesive effect Effects 0.000 claims abstract description 13
- 239000002826 coolant Substances 0.000 claims abstract description 13
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 13
- 239000000155 melt Substances 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 52
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000002567 autonomic effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
Images
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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
- B29C45/50—Axially movable screw
- B29C45/5008—Drive means therefor
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/74—Heating or cooling of the injection unit
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a speed regulating gear box for a melt adhesive driving mechanism of an injection molding machine, which comprises a box body, wherein a speed regulating gear mechanism is arranged in the box body. The advantage is through set up cyclic annular cooling runner in the box, and is provided with the cooling inlet and the cooling outlet that are linked together with this cyclic annular cooling runner on the box, and outside liquid cooling medium accessible cooling inlet enters into the box and circulates in cyclic annular cooling runner, through the heat exchange help speed governing gear case heat dissipation, flows from the cooling outlet after the heat exchange finishes to help the high-efficient heat dissipation of speed governing gear case, help speed governing gear case life's extension.
Description
Technical Field
The invention relates to the field of injection molding machines, in particular to a speed regulating gear box for a melt adhesive driving mechanism of an injection molding machine.
Background
The melten gel actuating mechanism of injection molding machine mainly used provides pivoted power for the plastify screw rod in order to carry out the melten gel action, the melten gel actuating mechanism of present common injection molding machine mainly has hydraulic motor or motor cooperation speed adjusting gear case to constitute, use particularity based on injection molding machine itself, extrusion molding thrust is great in the use, the temperature that can make in the speed adjusting gear case risees sharply, this heat distributes away in time, can lead to the fact the influence to inside lubricating oil, thereby the corruption of gear and bearing is accelerated, reduce speed adjusting gear case's life by a wide margin. The heat dissipation conventionality of this type of speed regulating gear box still relies on the autonomic heat dissipation of box at present, and the radiating effect is not good for the whole life of current speed regulating gear box is generally not long at present.
Disclosure of Invention
The invention aims to solve the technical problem of providing the speed regulating gear box for the melt adhesive driving mechanism of the injection molding machine, which has the advantages of simple structure, good heat dissipation performance and longer service life.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides an injection molding machine melten gel is speed governing gear box for actuating mechanism, includes the box, the box in be provided with speed governing gear mechanism, the box in be provided with cyclic annular cooling runner, the box on be provided with cyclic annular cooling runner be linked together supply the outside cooling medium cooling inlet that gets into and supply to enter into cyclic annular cooling runner in the liquid cooling medium through the outside cooling outlet that flows of heat-exchanging taking away liquid cooling medium.
The box body comprises an inner gear ring which is communicated from front to back, a front end cover is arranged on a front end sealing cover of the inner gear ring, the front end cover is connected with the inner gear ring in a sealing mode, a rear end cover is arranged on a rear end sealing cover of the inner gear ring, and the rear end cover is connected with the inner gear ring in a sealing mode. The box body has a simple structure, and the inner gear ring plays a role in sealing the box body and is matched with the speed regulating gear mechanism to play a speed regulating function.
The cooling inlet and the cooling outlet are arranged close to each other. Effectively prolong the detention time of liquid cooling medium in cyclic annular cooling runner, can realize the make full use of to the temperature of liquid cooling medium to promote the radiating effect.
The front end cover is provided with a front positioning ring which can stretch into the inner gear ring, the front positioning ring stretches into the inner gear ring, the outer wall of the front positioning ring is provided with the annular cooling flow channel in a concave mode, and the cooling inlet and the cooling outlet are respectively arranged on the inner gear ring at intervals and are communicated with the annular cooling flow channel. The front positioning ring provides stable arrangement space for the annular cooling flow channel, and the structure is simple.
The outer wall of the front positioning ring is provided with two annular sealing grooves at intervals, the annular cooling flow channel is arranged between the two sealing grooves, annular sealing pieces are arranged in the sealing grooves, and the annular sealing pieces are tightly installed between the inner wall of the inner gear ring and the bottom end face of the sealing grooves. Stable sealing is realized.
The rear end cover is provided with a rear positioning ring which can stretch into the inner gear ring, the rear positioning ring stretches into the inner gear ring, the outer wall of the rear positioning ring is concavely provided with an annular cooling flow channel, and a cooling inlet and a cooling outlet are respectively arranged on the inner gear ring at intervals and are communicated with the annular cooling flow channel. The rear positioning ring provides stable arrangement space for the annular cooling flow channel, and the structure is simple.
The outer wall of the rear positioning ring is provided with two annular sealing grooves at intervals, the annular cooling flow channel is arranged between the two sealing grooves, annular sealing elements are arranged in the sealing grooves, and the annular sealing elements are tightly installed between the inner wall of the inner gear ring and the bottom end face of each sealing groove. Stable sealing is realized.
The speed regulation gear mechanism comprises a planet carrier, a sun gear and three planet gears, the planet carrier is coaxially and rotatably arranged in the inner gear ring, the three planet gears are respectively and rotatably arranged on the planet carrier, each planet gear is meshed with the inner gear ring, and the sun gear is positioned between the three planet gears and is meshed with each planet gear. The speed regulating gear mechanism is simple in structure and stable to use.
The sun gear is coaxially and fixedly connected with an input shaft, and the planet carrier is coaxially and fixedly connected with an output shaft. The input shaft and the output shaft are used for realizing transmission connection with other components.
The planet carrier comprises a driving ring, the driving ring is coaxially and rotatably arranged in the inner gear ring, a front cover plate is arranged at the front end of the driving ring, the output shaft is fixedly arranged on the front cover plate, an annular rear cover plate is arranged at the rear end of the driving ring, the sun wheel extends into the rear cover plate and is arranged among the three planet wheels, an opening for exposing the planet wheels to be meshed and connected with the inner gear ring is arranged on the side part of the driving ring, the planet wheels are rotatably arranged on the planet carrier through planet shafts, and the planet shafts are fixedly arranged between the front cover plate and the rear cover plate. The planet carrier is simple in structure, and stable and rotatable installation of the planet wheel on the planet carrier is achieved.
The planet shaft and the planet wheel are rotatably connected through a bearing. Simple structure ensures stable operation.
The rear end of the driving ring is rotatably arranged in the rear end cover through a bearing, and the front end of the driving ring is rotatably arranged in the front end cover through a bearing. The stable rotatable mounting of the planet carrier in the box is realized.
Compared with the prior art, the invention has the advantages that: through set up cyclic annular cooling runner in the box, and be provided with the cooling inlet and the cooling outlet that are linked together with this cyclic annular cooling runner on the box, outside liquid cooling medium accessible cooling inlet enters into the box and circulates in cyclic annular cooling runner, and through the heat dissipation of heat exchange help speed governing gear box, the heat exchange is finished and is flowed out from the cooling outlet to help the high-efficient heat dissipation of speed governing gear box, help speed governing gear box life's extension.
Drawings
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of a first embodiment of the present invention;
FIG. 3 is a schematic view of the overall structure of the speed adjusting gear mechanism of the present invention;
FIG. 4 is a schematic perspective view of a planet carrier according to the present invention;
FIG. 5 is a schematic cross-sectional view of a front end cap according to an embodiment of the present invention;
fig. 6 is a schematic cross-sectional structure diagram of a second embodiment of the invention.
Detailed Description
The invention is described in further detail below with reference to the following examples of the drawings.
The first embodiment is as follows: as shown in fig. 1 to 5, a speed regulating gear box for a melt adhesive driving mechanism of an injection molding machine comprises a box body 1, a speed regulating gear mechanism is arranged in the box body 1, an annular cooling flow channel 11 is arranged in the box body 1, and the box body 1 is provided with a cooling inlet 12 communicated with the annular cooling flow channel 11 and used for allowing an external liquid cooling medium to enter and a cooling outlet 13 used for allowing the liquid cooling medium entering the annular cooling flow channel 11 to flow out through heat exchange and taking away heat.
In this embodiment, the case 1 includes a ring gear 101 running through from front to back, a front end cover 102 is provided at a front end of the ring gear 101, the front end cover 102 is connected with the ring gear 101 in a sealing manner, a rear end cover 103 is provided at a rear end of the ring gear 101, and the rear end cover 103 is connected with the ring gear 101 in a sealing manner. The box body 1 is simple in structure, and the inner gear ring 101 has the effect of sealing the box body 1 and is matched with a speed regulating gear mechanism to play a speed regulating function.
In this particular embodiment, the cooling inlet 12 and the cooling outlet 13 are located close together. Effectively prolong the detention time of liquid cooling medium in annular cooling runner 11, can realize the make full use of to the temperature of liquid cooling medium to promote the radiating effect.
In this embodiment, the front cover 102 has a front positioning ring 1021 extending into the inner ring gear 101, the front positioning ring 1021 extends into the inner ring gear 101, an annular cooling channel 11 is concavely disposed on an outer wall of the front positioning ring 1021, and the cooling inlet 12 and the cooling outlet 13 are separately disposed on the inner ring gear 101 and are communicated with the annular cooling channel 11. The front positioning ring 1021 provides a stable arrangement space for the annular cooling flow passage 11, and the structure is simple.
In this embodiment, two annular sealing grooves 10 are spaced apart from each other on the outer wall of the front positioning ring 1021, the annular cooling channel 11 is disposed between the two sealing grooves 10, an annular sealing member 23 is disposed in the sealing groove 10, and the annular sealing member 23 is tightly fitted between the inner wall of the inner ring gear 101 and the bottom end face of the sealing groove 10. Stable sealing is realized.
In this embodiment, the speed-regulating gear mechanism includes a planet carrier 4, a sun gear 5, and three planet gears 6, the planet carrier 4 is coaxially and rotatably mounted inside the ring gear 101, the three planet gears 6 are respectively rotatably mounted on the planet carrier 4, each planet gear 6 is in meshing connection with the ring gear 101, and the sun gear 5 is located between the three planet gears 6 and in meshing connection with each planet gear 6. The speed regulating gear mechanism is simple in structure and stable to use.
In this embodiment, the sun gear 5 is coaxially and fixedly connected with the input shaft 51, and the planet carrier 4 is coaxially and fixedly connected with the output shaft 41. The input shaft 51 and the output shaft 41 are used to achieve a driving connection with other components.
In this embodiment, the planet carrier 4 comprises a driving ring 401, the driving ring 401 is coaxially and rotatably mounted in the ring gear 101, a front cover plate 402 is arranged at the front end of the driving ring 401, the output shaft 41 is fixedly arranged on the front cover plate 402, an annular rear cover plate 403 is arranged at the rear end of the driving ring 401, the sun gear 5 extends into the rear cover plate 403 and is arranged between three planet gears 6, an opening 404 for exposing the planet gears 6 to be in meshing connection with the ring gear 101 is arranged at the side of the driving ring 401, the planet gears 6 are rotatably mounted on the planet carrier 4 through planet shafts 61, and the planet shafts 61 are fixedly mounted between the front cover plate 402 and the rear cover plate 403. The planet carrier 4 is simple in structure and realizes stable and rotatable mounting of the planet wheel 6 on the planet carrier.
In this particular embodiment, the rotatable connection between the planet shaft 61 and the planet wheels 6 is realized by means of a bearing Z. Simple structure ensures steady operation.
In this particular embodiment, the rear end of the drive ring 401 is rotatably mounted in the rear end cover 103 via a bearing Z, and the front end of the drive ring 401 is rotatably mounted in the front end cover 102 via a bearing Z. A stable rotatable mounting of the planet carrier 4 in the housing 1 is achieved.
The second embodiment: as shown in fig. 6, the other parts are the same as the first embodiment, except that the rear end cap 103 has a rear positioning ring 1031 which is installed in the ring gear 101 in an extending manner, the rear positioning ring 1031 is installed in the ring gear 101 in an extending manner, an annular cooling flow passage 11 is concavely arranged on the outer wall of the rear positioning ring 1031, and a cooling inlet 12 and a cooling outlet 13 are respectively arranged on the ring gear 101 at intervals and are communicated with the annular cooling flow passage 11. The rear positioning ring 1031 provides a stable installation space for the annular cooling channel 11, and the structure is simple.
In this embodiment, two annular sealing grooves 10 are spaced apart from each other on the outer wall of the rear positioning ring 1031, the annular cooling channel 11 is disposed between the two sealing grooves 10, an annular sealing member 23 is disposed in the sealing groove 10, and the annular sealing member 23 is tightly fitted between the inner wall of the ring gear 101 and the bottom end surface of the sealing groove 10. Stable sealing is realized.
Claims (9)
1. The utility model provides an injection molding machine melten gel is speed governing gear box for actuating mechanism, includes the box, the box in be provided with speed governing gear mechanism, its characterized in that the box in be provided with cyclic annular cooling runner, the box on be provided with cyclic annular cooling runner be linked together supply the outside cooling medium cooling inlet that gets into and supply to enter into cyclic annular cooling runner in the liquid cooling medium outwards flow out's of taking away the heat cooling outlet through heat exchange.
2. The speed regulating gearbox for the melt adhesive driving mechanism of the injection molding machine according to claim 1, wherein the box body comprises an inner gear ring which is penetrated through from front to back, a front end cover is arranged on a front end sealing cover of the inner gear ring, the front end cover is connected with the inner gear ring in a sealing manner, a rear end cover is arranged on a rear end sealing cover of the inner gear ring, and the rear end cover is connected with the inner gear ring in a sealing manner.
3. The speed regulating gear box for the melt adhesive driving mechanism of the injection molding machine according to claim 2, wherein the front end cap has a front positioning ring which is installed in the inner gear ring in a manner of being capable of extending into the inner gear ring, the front positioning ring is installed in the inner gear ring in a manner of extending into the inner gear ring, the annular cooling flow channel is concavely arranged on the outer wall of the front positioning ring, and the inlet and the outlet are respectively arranged on the inner gear ring at intervals and are communicated with the annular cooling flow channel.
4. The speed regulating gearbox for the melt adhesive driving mechanism of the injection molding machine according to claim 3, wherein two annular sealing grooves are formed in the outer wall of the front positioning ring at intervals, the annular cooling flow channel is arranged between the two sealing grooves, an annular sealing element is arranged in each sealing groove, and the annular sealing element is tightly installed between the inner wall of the inner gear ring and the bottom end face of each sealing groove.
5. The speed regulating gear box for the melt adhesive driving mechanism of the injection molding machine according to claim 2, wherein the rear end cap has a rear positioning ring which can be inserted into the inner gear ring, the rear positioning ring is inserted into the inner gear ring, the outer wall of the rear positioning ring is concavely provided with the annular cooling flow passage, and the inlet and the outlet are respectively arranged on the inner gear ring at intervals and are communicated with the annular cooling flow passage.
6. The speed regulating gearbox for the melt adhesive driving mechanism of the injection molding machine according to claim 5, wherein two annular sealing grooves are formed in the outer wall of the rear positioning ring at intervals, the annular cooling flow channel is arranged between the two sealing grooves, annular sealing elements are arranged in the sealing grooves, and the annular sealing elements are tightly installed between the inner wall of the inner gear ring and the bottom end faces of the sealing grooves.
7. The speed regulating gearbox for the melt adhesive driving mechanism of the injection molding machine as claimed in claim 2, characterized in that the speed regulating gear mechanism comprises a planet carrier, a sun gear and three planet gears, the planet carrier is coaxially and rotatably mounted inside the inner gear ring, the three planet gears are respectively rotatably mounted on the planet carrier, each planet gear is in meshed connection with the inner gear ring, and the sun gear is located between the three planet gears and is in meshed connection with each planet gear.
8. The speed regulating gearbox for the melt adhesive driving mechanism of the injection molding machine as claimed in claim 7, wherein the sun gear is coaxially and fixedly connected with an input shaft, and the planet carrier is coaxially and fixedly connected with an output shaft.
9. The speed regulating gearbox for the melt adhesive driving mechanism of the injection molding machine according to claim 8, wherein the planet carrier comprises a driving ring, the driving ring is coaxially and rotatably mounted in the inner gear ring, a front cover plate is arranged at the front end of the driving ring, the output shaft is fixedly arranged on the front cover plate, an annular rear cover plate is arranged at the rear end of the driving ring, the sun wheel extends into the rear cover plate and is arranged among three planet wheels, an opening for exposing the planet wheels to be meshed and connected with the inner gear ring is arranged at the side part of the driving ring, the planet wheels are rotatably mounted on the planet carrier through a planet shaft, and the planet shaft is fixedly mounted between the front cover plate and the rear cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210309464.5A CN114770883A (en) | 2022-03-28 | 2022-03-28 | Speed regulating gear box for injection molding machine melten gel actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210309464.5A CN114770883A (en) | 2022-03-28 | 2022-03-28 | Speed regulating gear box for injection molding machine melten gel actuating mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN114770883A true CN114770883A (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210309464.5A Pending CN114770883A (en) | 2022-03-28 | 2022-03-28 | Speed regulating gear box for injection molding machine melten gel actuating mechanism |
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| CN (1) | CN114770883A (en) |
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2022
- 2022-03-28 CN CN202210309464.5A patent/CN114770883A/en active Pending
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| CN112392919A (en) * | 2020-11-09 | 2021-02-23 | 江阴齿轮箱制造有限公司 | Planetary gear box for shield machine |
| CN114825745A (en) * | 2022-03-28 | 2022-07-29 | 宁波勤悦节能科技有限公司 | Driving mechanism for electric molten cement structure of injection molding machine |
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