CN203742891U - Planar oil distribution double-row hydraulic motor of injection molding machine - Google Patents
Planar oil distribution double-row hydraulic motor of injection molding machine Download PDFInfo
- Publication number
- CN203742891U CN203742891U CN201320861455.3U CN201320861455U CN203742891U CN 203742891 U CN203742891 U CN 203742891U CN 201320861455 U CN201320861455 U CN 201320861455U CN 203742891 U CN203742891 U CN 203742891U
- Authority
- CN
- China
- Prior art keywords
- oil
- oil distribution
- plunger
- double
- planar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model relates to a planar oil distribution double-row hydraulic motor of an injection molding machine. The double-row hydraulic motor comprises a cylinder body consisting of a shell, a rear cover and a front seal cover which are assembled together, wherein an oil distribution structure is arranged on one side of the cylinder body; a crankshaft is supported by a bearing to be mounted in the cylinder body; one end of the crankshaft is connected with the oil distribution structure, and the other end of the crankshaft extends out of one side of the cylinder body; two eccentric bushes with opposite eccentric directions are mounted in parallel on the crankshaft in the cylinder body; a plurality of plunger cavities are circumferentially, radially and uniformly distributed between the eccentric bushes and the shell; a plunger clinging to the eccentric bushes is arranged in each plunger cavity; roller columns are circumferentially and uniformly distributed between the crankshaft and the eccentric bushes; and two oil distribution plates are arranged in the oil distribution structure in parallel and are communicated with the corresponding plunger cavities of the two eccentric bushes through oil channels respectively. The double-row hydraulic motor is simple in structure and small in size, the double-row staggered motor structure and the serial planar oil distribution are adopted, and therefore the discharge capacity is greatly increased and the volume efficiency is greatly improved.
Description
Technical field
The utility model relates to oil hydraulic motor field, particularly relates to a kind of planar oil distributing liquids double-rows pressure motor of injection machine.
Background technique
Curved shaft type plunger piston hydraulic motor is the motor that current industrial field is conventional, often use in injection machine and engineering machinery, mostly existing curved shaft type plunger piston hydraulic motor is to adopt single piston structure, and adopt simple single oil distribution casing structure, this just causes the volumetric efficiency of motor low, control oil mass is not high, can not meet the routine work needs of large-scale injection machine, and single piston structure is unidirectional fuel feeding, make bent axle be subject to unidirectional tangential force effect in rotating, rotational stability is not high, affect the mechanical efficiency of oil hydraulic motor, running speed and volumetric efficiency.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of planar oil distributing liquids double-rows pressure motor of injection machine, and simple in structure, volume is little, adopts double dislocation motor configuration and series plane to join oil, has greatly improved discharge capacity and volumetric efficiency.
The utility model solves the technological scheme that its technical problem adopts: the planar oil distributing liquids double-rows pressure motor that a kind of injection machine is provided, comprise housing, the cylinder body that bonnet and front capping are assembled, one side of this cylinder body is furnished with joins oily structure, the inside of described cylinder body is supported bent axle is installed by bearing, one end of described bent axle with join oily structure and be connected, the other end stretches out the side at cylinder body, on described bent axle, in cylinder interior, two eccentric bushings that eccentric direction is contrary are installed side by side, circumferential radial several plunger cavities that is evenly equipped with between described eccentric bushing and housing, in each plunger cavity, be all furnished with the plunger of being close to eccentric bushing, between described bent axle and eccentric bushing, circumferentially evenly there is roller, described joining is arranged side by side with two oil distribution casings that rotate with crankshaft-synchronous in oily structure, two oil distribution casings are respectively by oil duct and two plunger cavity connections that eccentric bushing is corresponding.
The described upper center of joining oily structure is furnished with oil inlet hole, and the bilateral symmetry of described oil inlet hole is provided with oil distribution casing, and this oil inlet hole communicates with oil duct through oil distribution casing, and the lower end of described oil inlet hole is communicated with oil outlet.
Described bent axle is connected with the oil distribution casing that is positioned at inner side by double-end key, and this oil distribution casing is connected with another oil distribution casing by joining oily key, two oil distribution casings and crankshaft-synchronous rotation.
In described plunger cavity, be furnished with spheric seating, this spheric seating is overlapped with plunger and is connected by sphere.
Described spheric seating is spliced into up and down intrados by upper ball base and lower ball base and forms.
Described plunger is spacing on eccentric bushing by the snap ring of both sides.
Described eccentric bushing outer circumference contacts with plunger by sphere.
The quantity of the plunger cavity in described eccentric bushing on the circumference of one of them is 5 or 7 or 9, and is dislocation and arranges with the plunger cavity on adjacent another eccentric bushing circumference.
beneficial effect
The utility model relates to a kind of planar oil distributing liquids double-rows pressure motor of injection machine, simple in structure, volume is little, adopt double dislocation piston structure and series plane to join oil, improved the efficiency of fuel feeding, double dislocation piston structure makes bent axle at two contrary force of tangential direction, makes the stress balance of bent axle, rotate more steadily, working efficiency is higher; The roller using between eccentric bushing and bent axle, can relatively rotate eccentric bushing, makes the activity of plunger more flexible, reduces wear, and improves discharge capacity; Series plane is joined oil makes two oil distributing shafts and crankshaft-synchronous work, and gives two organ timbering plug fuel feeding respectively, ensured the conformity of fuel feeding, and fuel delivery is large, makes the motor of smaller size smaller can meet the power needs of large size plastic jetting-moulding device.
Brief description of the drawings
Fig. 1 is the structural drawing that partly cuts open of the present utility model.
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiments are only not used in restriction scope of the present utility model for the utility model is described.In addition should be understood that those skilled in the art can make various changes or modifications the utility model after having read the content of the utility model instruction, these equivalent form of values fall within the application's appended claims limited range equally.
As shown in Figure 1, mode of execution of the present utility model relates to a kind of planar oil distributing liquids double-rows pressure motor of injection machine, comprise housing 4, the cylinder body that bonnet 1 and front capping 11 are assembled, one side of this cylinder body is furnished with joins oily structure, the inside of described cylinder body is provided with bent axle 5 by bearing 14 supportings, one end of described bent axle 5 with join oily structure and be connected, the other end stretches out the side at cylinder body, on described bent axle 5, in cylinder interior, two eccentric bushings 9 that eccentric direction is contrary are installed side by side, circumferential radial several plunger cavities 13 that is evenly equipped with between described eccentric bushing 9 and housing 4, in each plunger cavity 13, be all furnished with the plunger 8 of being close to eccentric bushing 9, between described bent axle 5 and eccentric bushing 9, circumferentially evenly there is roller 10, described joining is arranged side by side with two and synchronizes the oil distribution casing 2 rotating with bent axle 5 in oily structure, two oil distribution casings 2 are communicated with by oil duct 3 plunger cavity 13 corresponding with two eccentric bushings 9 respectively.
The described upper center of joining oily structure is furnished with oil inlet hole 17, and the bilateral symmetry of described oil inlet hole 17 is provided with oil distribution casing 2, and this oil inlet hole 17 communicates with oil duct 3 through oil distribution casing 2, and the lower end of described oil inlet hole 17 is communicated with oil outlet.
Described bent axle 5 is connected with the oil distribution casing 2 that is positioned at inner side by double-end key 15, and this oil distribution casing 2 is connected with another oil distribution casing 2 by joining oily key 16, and two oil distribution casings 2 are synchronizeed rotation with bent axle 5.
In described plunger cavity 13, be furnished with spheric seating 6, this spheric seating 6 overlaps 7 by sphere and is connected with plunger 8.
Described spheric seating 6 is spliced into up and down intrados by upper ball base 19 and lower ball base 18 and forms.
Described plunger 8 is spacing on eccentric bushing 9 by the snap ring 12 of both sides.
Described eccentric bushing 9 outer circumference contact with plunger 8 by sphere.
The quantity of the plunger cavity 13 in described eccentric bushing 9 on the circumference of one of them is 5 or 7 or 9, and is dislocation and arranges with the plunger cavity 13 on adjacent another eccentric bushing 9 circumference.
Adopt double dislocation piston structure and series plane to join oil, improved the efficiency of fuel feeding, double dislocation piston structure makes bent axle at two contrary force of tangential direction, makes the stress balance of bent axle 5, rotates more steadily, and working efficiency is higher; The roller 10 using between eccentric bushing 9 and bent axle 5, can relatively rotate eccentric bushing 9, makes the activity of plunger 8 more flexible, reduces wear, and improves discharge capacity; Series plane is joined oil makes two oil distributing shafts 2 synchronous working with bent axle 5, and gives two organ timbering plug 8 fuel feeding respectively, ensured the conformity of fuel feeding, and fuel delivery is large, makes the motor of smaller size smaller can meet the power needs of large size plastic jetting-moulding device.
Claims (8)
1. the planar oil distributing liquids double-rows pressure motor of an injection machine, comprise housing (4), the cylinder body that bonnet (1) and front capping (11) are assembled, one side of this cylinder body is furnished with joins oily structure, the inside of described cylinder body is provided with bent axle (5) by bearing (14) supporting, one end of described bent axle (5) with join oily structure and be connected, the other end stretches out the side at cylinder body, it is characterized in that, described bent axle (5) is upper is provided with two eccentric bushings (9) that eccentric direction is contrary side by side in cylinder interior, circumferential radial several plunger cavities (13) that are evenly equipped with between described eccentric bushing (9) and housing (4), in each plunger cavity (13), be all furnished with the plunger (8) of being close to eccentric bushing (9), between described bent axle (5) and eccentric bushing (9), circumferentially evenly there is roller (10), described joining is arranged side by side with two and synchronizes the oil distribution casing (2) rotating with bent axle (5) in oily structure, two oil distribution casings (2) are communicated with by oil duct (3) plunger cavity (13) corresponding with two eccentric bushings (9) respectively.
2. the planar oil distributing liquids double-rows pressure motor of a kind of injection machine according to claim 1, it is characterized in that: the described upper center of joining oily structure is furnished with oil inlet hole (17), the bilateral symmetry of described oil inlet hole (17) is provided with oil distribution casing (2), this oil inlet hole (17) communicates with oil duct (3) through oil distribution casing (2), and the lower end of described oil inlet hole (17) is communicated with oil outlet.
3. the planar oil distributing liquids double-rows pressure motor of a kind of injection machine according to claim 1, it is characterized in that: described bent axle (5) is connected with the oil distribution casing (2) that is positioned at inner side by double-end key (15), this oil distribution casing (2) is connected with another oil distribution casing (2) by joining oily key (16), and two oil distribution casings (2) are synchronizeed rotation with bent axle (5).
4. the planar oil distributing liquids double-rows pressure motor of a kind of injection machine according to claim 1, is characterized in that: in described plunger cavity (13), be furnished with spheric seating (6), this spheric seating (6) is connected with plunger (8) by sphere cover (7).
5. the planar oil distributing liquids double-rows pressure motor of a kind of injection machine according to claim 4, is characterized in that: described spheric seating (6) is spliced into up and down intrados by upper ball base (19) and lower ball base (18) and forms.
6. the planar oil distributing liquids double-rows pressure motor of a kind of injection machine according to claim 1, is characterized in that: described plunger (8) is spacing on eccentric bushing (9) by the snap ring (12) of both sides.
7. according to the planar oil distributing liquids double-rows pressure motor of a kind of injection machine described in claim 1 or 6, it is characterized in that: described eccentric bushing (9) outer circumference contacts with plunger (8) by sphere.
8. according to the planar oil distributing liquids double-rows pressure motor of a kind of injection machine described in claim 1 or 6, it is characterized in that, the quantity of the plunger cavity (13) in described eccentric bushing (9) on the circumference of one of them is 5 or 7 or 9, and is dislocation and arranges with the plunger cavity (13) on adjacent another eccentric bushing (9) circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320861455.3U CN203742891U (en) | 2013-12-25 | 2013-12-25 | Planar oil distribution double-row hydraulic motor of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320861455.3U CN203742891U (en) | 2013-12-25 | 2013-12-25 | Planar oil distribution double-row hydraulic motor of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203742891U true CN203742891U (en) | 2014-07-30 |
Family
ID=51342700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320861455.3U Expired - Fee Related CN203742891U (en) | 2013-12-25 | 2013-12-25 | Planar oil distribution double-row hydraulic motor of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203742891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541787A (en) * | 2019-08-29 | 2019-12-06 | 上海布拓传动系统设备有限公司 | hydraulic motor without changing radial size of motor and multiplying displacement |
-
2013
- 2013-12-25 CN CN201320861455.3U patent/CN203742891U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541787A (en) * | 2019-08-29 | 2019-12-06 | 上海布拓传动系统设备有限公司 | hydraulic motor without changing radial size of motor and multiplying displacement |
| CN110541787B (en) * | 2019-08-29 | 2024-04-30 | 上海布拓传动系统设备有限公司 | Hydraulic motor with multiplied displacement without changing radial size of motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203743116U (en) | Planar oil distribution type four-row hydraulic motor | |
| CN203742891U (en) | Planar oil distribution double-row hydraulic motor of injection molding machine | |
| CN201546889U (en) | Biserial radial ten-piston motor | |
| CN203146392U (en) | Rotary shell pump with flow collecting pipe adopting center bearing at two ends | |
| CN103850932A (en) | Pulseless rotor pump | |
| CN202301025U (en) | Roots compressor | |
| CN203201786U (en) | Pulseless rotor pump (Q type) | |
| CN203743220U (en) | Rolling ball bearing device of turbine pressurizing system | |
| CN203756582U (en) | Tooth-type rotation shell nuclear pump utilizing thrust rings to balance axial force | |
| CN205190106U (en) | Hydraulic motor | |
| CN103835908A (en) | Oblique shaft type axial plunger pump | |
| CN202545106U (en) | Hydraulic motor | |
| CN104912730A (en) | Inner curvilinear low-speed large-torque water hydraulic motor with replaceable wearproof dish | |
| CN203549340U (en) | Variable-displacement pump | |
| CN203548208U (en) | Rotor used on vane pump | |
| CN102536628A (en) | Hydraulic motor | |
| CN202418040U (en) | Flow guide shell for submersible pump | |
| CN202914260U (en) | Inclined shaft type axial plunger pump | |
| CN201747412U (en) | Hydraulic recycling turbine | |
| CN220979743U (en) | High-speed flow distribution cycloid hydraulic motor | |
| CN108953385A (en) | A kind of aircraft pump ground experiment connection shaft seat | |
| CN202300884U (en) | Servo variable disc flow distribution radial high-pressure plunger pump | |
| CN204729284U (en) | Be applicable to axle flow supporting structure and the axle flow hydraulic radial pump/motor of hydraulic radial pump/motor | |
| CN204226155U (en) | The pump head structure of reverse osmosis suction booster | |
| CN102179379A (en) | High pressure cleaning machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20161225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |