CN211778592U - Bearing combination structure of molten rubber transmission shaft of electric injection molding machine - Google Patents
Bearing combination structure of molten rubber transmission shaft of electric injection molding machine Download PDFInfo
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- CN211778592U CN211778592U CN201921639367.2U CN201921639367U CN211778592U CN 211778592 U CN211778592 U CN 211778592U CN 201921639367 U CN201921639367 U CN 201921639367U CN 211778592 U CN211778592 U CN 211778592U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 68
- 238000001746 injection moulding Methods 0.000 title claims abstract description 15
- 238000000465 moulding Methods 0.000 claims abstract description 15
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000000155 melt Substances 0.000 claims description 5
- 238000007689 inspection Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 6
- 238000003754 machining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Mounting Of Bearings Or Others (AREA)
Abstract
The utility model relates to a bearing integrated configuration of melten gel transmission shaft of electric injection molding machine, including moulding the seat platform in advance, transmission shaft and protecgulum, mould seat platform inner circle middle part in advance and arranged the heavy platform of round seat platform annular, mould horizontal rotation in the seat platform in advance and install the transmission shaft, the left end of transmission shaft has been arranged the heavy platform of corresponding transmission shaft annular of round and seat platform annular, the right side that the platform was sunk to the transmission shaft annular sinks to the platform left side between and installs thrust self-aligning roller bearing, thrust self-aligning roller bearing cup joints on the transmission shaft, thrust self-aligning roller bearing's first outer lane is mended into the heavy platform left side position of seat platform annular, thrust self-aligning roller bearing's first inner circle is mended into the right side that the platform was sunk to. The utility model has the characteristics of simple structure, reduce the processing degree of difficulty and the inspection degree of difficulty when guaranteeing the precision, thereby guarantee that product cost can not increase, make things convenient for workman's equipment, improve production efficiency etc.
Description
Technical Field
The utility model relates to an injection molding machine moulds department main shaft stable structure technical field in advance, especially relates to a bearing integrated configuration of electric injection molding machine's melten gel transmission shaft.
Background
The pre-molding unit is an important component of the electric injection molding machine, and the bearing combination structure of the pre-molding transmission shaft is the core of the whole pre-molding unit and plays a vital role. The bearing combination structure of the existing electric injection molding machine mostly adopts high-precision processing to ensure the sizes of parts, thereby achieving the functional requirements of bearing combination. This invisibly increases the processing difficulty, the inspection difficulty and the assembly difficulty, resulting in cost waste.
The technical scheme that patent number is 201511023220.7, not only need guarantee each bearing installation aperture diameter of shaft requirement, still need guarantee the relative position size between each bearing, also need guarantee the cooperation size requirement between each part, the size that requires to guarantee during the design is more, the precision is higher, just more to the cost increase, secondly this technical scheme also exists inadequately in the aspect of the assembly, this technical scheme not only needs guarantee thrust ball bearing and third tapered roller bearing's pretension requirement during the assembly, still guarantee the relative position relation of first tapered roller bearing and third tapered roller simultaneously, just can guarantee the support and the bearing function of two bearings, greatly increased the assembly degree of difficulty, thereby workman's work efficiency has been reduced.
In order to solve the above problems, it is necessary to redesign the bearing assembly structure.
Disclosure of Invention
The utility model aims to solve the technical problem that a bearing integrated configuration of electric injection molding machine's melten gel transmission shaft is provided, have simple structure, reduce the processing degree of difficulty and the inspection degree of difficulty when guaranteeing the precision to guarantee that product cost can not increase, make things convenient for characteristics such as workman's equipment, improvement production efficiency.
The utility model provides a technical scheme that its technical problem adopted is: provides a bearing combination structure of a melt adhesive transmission shaft of an electric injection molding machine, which comprises a pre-molding base platform, a transmission shaft and a front cover, a circle of seat platform annular sinking platform is arranged in the middle of the inner ring of the pre-molded seat platform, a transmission shaft is transversely and rotatably arranged in the pre-molded seat platform, a circle of transmission shaft annular sinking platform corresponding to the seat platform annular sinking platform is arranged at the left end of the transmission shaft, a thrust self-aligning roller bearing is arranged between the right side of the transmission shaft annular sinking platform and the left side of the seat platform annular sinking platform, thrust self-aligning roller bearing cup joint on the transmission shaft, the platform annular that sinks is mended to thrust self-aligning roller bearing's first outer lane position, the right side that the platform is sunk to the transmission shaft annular is mended to thrust self-aligning roller bearing's first inner circle, through the linkage of roller assembly between first outer lane and the first inner circle, the transmission shaft left end cup joint the protecgulum of the left end of sealed pre-formed seat platform.
The left end of the transmission shaft is sleeved with a cylindrical roller bearing, the right end of a second inner ring of the cylindrical roller bearing is tightly attached to the left side of the annular sinking platform of the transmission shaft, a second outer ring of the cylindrical roller bearing is clamped in a groove with an opening at the left end of the pre-molded base platform, and the left side of the cylindrical roller bearing is abutted to the right side of the front cover.
The circular platform that sinks of seat platform right side install tapered roller bearing, tapered roller bearing's right side install and cup joint the tight ring in the epaxial top of transmission, the tight ring right side in top installs the lock nut who pushes down the tight ring in top, the tight ring outer lane in top install the back lid of sealed pre-formed seat platform left end, tapered roller bearing's third outer lane mend the circular platform that sinks right side of seat platform and closely laminate with the circular platform that sinks of seat platform.
And a second outer ring of the cylindrical roller bearing is fixed in the pre-plastic base table, and the second inner ring is in interference fit with the transmission shaft.
Has the advantages that: the utility model relates to a bearing integrated configuration of melten gel transmission shaft of electric injection molding machine, concrete beneficial effect as follows:
(1) by designing the transmission shaft annular sinking platform and the seat platform annular sinking platform, the pre-tightening of the thrust self-aligning roller bearing and the tapered roller bearing can be ensured only by measuring the assembling torque of the locking nut through a torque wrench during assembling, so that the assembling of workers is greatly facilitated, and the production efficiency is improved;
(2) meanwhile, due to the fact that the split type bearings are adopted for assembly, the requirements of the installation aperture and the shaft diameter of the bearings are only required to be met in the machining process, the requirements on the relative position size among the bearings and the matching size among all parts are low, machining difficulty is greatly reduced, and therefore production cost is saved;
(3) because this device need not consider, the relation between bearing and the bearing, during the inspection, is the size precision that needs inspection bearing installation aperture and shaft diameter, has made things convenient for workman's inspection greatly.
Drawings
FIG. 1 is a front view, full sectional view of the present invention;
FIG. 2 is a full sectional view of the pre-molded seat stand of the present invention;
fig. 3 is a full sectional view of the transmission shaft according to the present invention.
The figure is as follows: 1. the bearing comprises a pre-molded seat platform, 2, a transmission shaft, 3, a seat platform annular sinking platform, 4, a transmission shaft annular sinking platform, 5, a front cover, 6, a jacking ring, 7, a rear cover, 8, a locking nut, 9, a cylindrical roller bearing, 10, a thrust self-aligning roller bearing, 11, a tapered roller bearing, 12, a first inner ring, 13, a second inner ring, 14, a first outer ring, 15 and a third outer ring.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
The embodiment of the utility model relates to a bearing combination structure of a melt adhesive transmission shaft of an electric injection molding machine, as shown in figure 1-3, comprising a pre-molding base platform 1, a transmission shaft 2 and a front cover 5, wherein the middle part of the inner ring of the pre-molding base platform 1 is provided with a circle of base platform annular sinking platform 3, the pre-molding base platform 1 is internally provided with the transmission shaft 2 in a transverse rotating way, the left end of the transmission shaft 2 is provided with a circle of transmission shaft annular sinking platform 4 corresponding to the base platform annular sinking platform 3, a thrust self-aligning roller bearing 10 is arranged between the right side of the transmission shaft annular sinking platform 4 and the left side of the base platform annular sinking platform 3, the thrust self-aligning roller bearing 10 is sleeved on the transmission shaft 2, a first outer ring 14 of the thrust self-aligning roller bearing 10 is supplemented into the left side of the base platform annular sinking platform 3, a first inner ring 12 of the thrust self-aligning roller bearing 10 is supplemented into the right side of the transmission shaft annular sinking platform, the left end of the transmission shaft 2 is sleeved with a front cover 5 which seals the left end of the pre-plastic seat stand 1.
Through the heavy platform of design seat platform annular 3 and the heavy platform of moving axis annular 4 among this technical scheme for thrust self-aligning roller bearing 10 does not contact with other bearings, also need not extra support and carries out the pretension, make things convenient for workman's operation greatly, simultaneously owing to adopt split type design, only need ensure the requirement of bearing installation aperture and footpath can, it is lower to the relative position size between the bearing and the cooperation size requirement between each part, greatly reduced the processing degree of difficulty, thereby manufacturing cost has been practiced thrift.
When the installation is carried out, the first outer ring 14 enters from the left opening of the pre-molded base platform 1 and clings to the left side of the annular sinking platform 3 of the base platform, the first inner ring 12 with the roller assembly is simultaneously loaded from the right end of the transmission shaft 2 and is attached to the right side of the annular sinking platform 4 of the transmission shaft, and finally the transmission shaft 2 with the first inner ring 12 is inserted into the pre-molded base platform 1 from the left opening of the pre-molded base platform 1, so that the installation of the self-aligning thrust roller bearing 10 can be completed.
Preferably, 2 left ends of transmission shaft on cup jointed cylindrical roller bearing 9, cylindrical roller bearing 9's second inner circle 13 the right-hand member and the left side of the heavy platform 4 of transmission shaft annular closely laminate, cylindrical roller bearing 9's second outer circle joint in the heavy platform 4 of pre-moulding platform 1 left end open-ended recess, cylindrical roller bearing 9 left side and protecgulum 5 right side push up mutually, make things convenient for cylindrical roller bearing 9's second outer circle fixed through pre-moulding platform 1 left end open-ended recess, cylindrical roller bearing 9's second inner circle 13 fixes a position through the heavy platform 4 of transmission shaft annular simultaneously, cylindrical roller bearing 9's second outer circle and roller assembly can separately assemble and dismantle with second inner circle 13, can satisfy the functional requirement, can reduce the assembly degree of difficulty again.
Preferably, 3 right sides of the platform annular heavy platform install tapered roller bearing 11, tapered roller bearing 11's right side install and cup joint tight ring 6 in the top of transmission shaft 2, tight ring 6 right side in the top is installed and is pushed down lock nut 8 of tight ring 6 in the top, tight ring 6 outer lane in the top on install sealed back lid 7 of moulding 1 left end of platform in advance, tapered roller bearing 11's third outer lane 15 mend the platform annular heavy platform 3 right sides and sink platform 3 closely laminating with the platform annular.
Tapered roller bearing 11 mentioned among the above-mentioned technical scheme forms the interval through the annular heavy platform of seat platform 3 and thrust self-aligning roller bearing 10, through top tight ring 6 and lock nut 8 direct pretension to both, when top tight ring 6 compresses tightly tapered roller bearing 11 through lock nut 8, tapered roller bearing 11 can push away the annular heavy platform of seat platform 3, make the annular heavy platform of seat platform 3 promote thrust self-aligning roller bearing 10, the pretension to two bearings is once only accomplished, greatly reduced workman's the equipment degree of difficulty, also need not increase extra support simultaneously and make both pretensions, thereby reduction in production cost.
Preferably, the second outer ring of the cylindrical roller bearing 9 is fixed in the pre-molding base table 1, the second inner ring 13 is in interference fit with the transmission shaft 2, the roller assembly on the second outer ring of the cylindrical roller bearing 9 cannot move axially, the outer ring of the roller assembly rotates circumferentially along the inner curved surface of the second outer ring, and the second inner ring 13 rotates along with the rotation of the transmission shaft 2, so that the end center positioning is realized; and then the transmission shaft is matched with the tapered roller bearing 11 together, so that the coaxiality of the inner holes of the transmission shaft 2 and the seat platform annular sinking platform 3 is ensured. Meanwhile, the second inner ring 13 can axially move relative to the second outer ring of the cylindrical roller bearing 9 and the roller assembly, so that the assembly requirement is facilitated, and the axial load on the transmission shaft can be transmitted to the thrust self-aligning roller bearing 10 through the transmission shaft annular sinking platform 4, so that the bearing requirement is met.
Claims (4)
1. The utility model provides a bearing integrated configuration of melten gel transmission shaft of electric injection molding machine, includes plastic base platform (1), transmission shaft (2) and protecgulum (5) in advance, its characterized in that: mould seat platform (1) inner circle middle part in advance and arranged round seat platform annular and sink platform (3), mould seat platform (1) in advance and transversely rotate and install transmission shaft (2), the left end of transmission shaft (2) has arranged round and the corresponding transmission shaft annular of seat platform annular and sink platform (3) and sink platform (4), the right side of transmission shaft annular is sunk and is installed thrust self-aligning roller bearing (10) between platform (3) the left side with the seat platform annular, thrust self-aligning roller bearing (10) cup joint on transmission shaft (2), the first outer lane (14) of thrust self-aligning roller bearing (10) are mended into seat platform annular and are sunk platform (3) left side position, the right side of transmission shaft annular and sink platform (4) is mended into in first inner circle (12) of thrust self-aligning roller bearing (10), link through roller assembly between first outer lane (14) and first inner circle (12), transmission shaft (2) left end cover connect front cover (5) of the left end of sealed seat platform (1) of moulding in advance.
2. The bearing combination structure of the melt adhesive transmission shaft of the electric injection molding machine according to claim 1, characterized in that: the left end of the transmission shaft (2) is sleeved with a cylindrical roller bearing (9), the right end of a second inner ring (13) of the cylindrical roller bearing (9) is tightly attached to the left side of the transmission shaft annular sinking platform (4), the second outer ring of the cylindrical roller bearing (9) is connected in a groove with an opening at the left end of the pre-molding base platform (1), and the left side of the cylindrical roller bearing (9) is propped against the right side of the front cover (5).
3. The bearing combination structure of the melt adhesive transmission shaft of the electric injection molding machine according to claim 1, characterized in that: the circular heavy platform of seat platform (3) right side install tapered roller bearing (11), the right side of tapered roller bearing (11) install and cup joint tight ring (6) in top on transmission shaft (2), tight ring (6) right side in top is installed and is pushed down lock nut (8) of tight ring (6) in top, tight ring (6) outer lane in top on install sealed back lid (7) of moulding a seat platform (1) left end in advance, third outer lane (15) of tapered roller bearing (11) mend the circular heavy platform of seat platform (3) right side and sink platform (3) with the seat platform annular and closely laminate.
4. The bearing combination structure of the melt adhesive transmission shaft of the electric injection molding machine according to claim 2, characterized in that: and a second outer ring of the cylindrical roller bearing (9) is fixed in the pre-plastic base table (1), and a second inner ring (13) is in interference fit with the transmission shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921639367.2U CN211778592U (en) | 2019-09-29 | 2019-09-29 | Bearing combination structure of molten rubber transmission shaft of electric injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921639367.2U CN211778592U (en) | 2019-09-29 | 2019-09-29 | Bearing combination structure of molten rubber transmission shaft of electric injection molding machine |
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| Publication Number | Publication Date |
|---|---|
| CN211778592U true CN211778592U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921639367.2U Active CN211778592U (en) | 2019-09-29 | 2019-09-29 | Bearing combination structure of molten rubber transmission shaft of electric injection molding machine |
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| CN (1) | CN211778592U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007214A (en) * | 2021-03-09 | 2021-06-22 | 上海人本精密机械有限公司 | Combined high-speed precision bearing |
-
2019
- 2019-09-29 CN CN201921639367.2U patent/CN211778592U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007214A (en) * | 2021-03-09 | 2021-06-22 | 上海人本精密机械有限公司 | Combined high-speed precision bearing |
| CN113007214B (en) * | 2021-03-09 | 2022-04-01 | 上海人本精密机械有限公司 | Combined high-speed precision bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangdong Lijin Plastic Machinery Intelligent Manufacturing Co.,Ltd. Assignor: NINGBO LIJIN MACHINERY Co.,Ltd. Contract record no.: X2022980002916 Denomination of utility model: The utility model relates to a bearing combination structure of a melt transmission shaft of an electric injection molding machine Granted publication date: 20201027 License type: Common License Record date: 20220322 |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315800 No.68 Wanquanhe Road, Beilun District, Ningbo City, Zhejiang Province Patentee after: Ningbo Lijin Plastic Machinery Intelligent Manufacturing Co.,Ltd. Address before: 315800 No.68 Wanquanhe Road, Beilun District, Ningbo City, Zhejiang Province Patentee before: NINGBO LIJIN MACHINERY Co.,Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangdong Lijin Plastic Machinery Intelligent Manufacturing Co.,Ltd. Assignor: NINGBO LIJIN MACHINERY Co.,Ltd. Contract record no.: X2022980002916 Denomination of utility model: A bearing combination structure for the melt drive shaft of an electric injection molding machine Granted publication date: 20201027 License type: Common License Record date: 20220322 |