CN213999041U - Plunger spherical surface machining device - Google Patents
Plunger spherical surface machining device Download PDFInfo
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- CN213999041U CN213999041U CN202022695191.1U CN202022695191U CN213999041U CN 213999041 U CN213999041 U CN 213999041U CN 202022695191 U CN202022695191 U CN 202022695191U CN 213999041 U CN213999041 U CN 213999041U
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Abstract
A plunger spherical surface processing device is characterized in that an L-shaped support plate is arranged on one side of the top of a cabinet, and a swing mechanism and a precise swing bearing are mounted at the front end of a servo drive motor; the other side of the top of the whole cabinet is provided with an active swing mechanism, the coupler is connected with the clamping cylinder, two sides of the clamping cylinder are provided with precise supporting bearings, the top of the plunger part is provided with a grinding tool, the top of the grinding tool is provided with a flexible grinding tool adjusting mechanism, and the top of the compression spring is provided with a grinding tool speed adjusting mechanism servo motor; a jacking cylinder is arranged between the servo motor and the servo driving motor of the grinding tool speed regulating mechanism, and a grinding tool loading pressure adjusting mechanism is arranged at the bottom of the jacking cylinder. The utility model discloses grinding of relative traditional sphere has realized the grinding processing of plunger sphere, has solved traditional sphere grinding inefficiency, and the yield is low to and traditional sphere grinding is wasted time and energy, difficult problems such as shaping emery wheel often restores.
Description
Technical Field
The utility model belongs to the technical field of mechanical precision finishing, a plunger sphere processingequipment is related to, has realized plunger sphere parts machining, is applicable to the plunger pump trade.
Background
Compared with foreign brands, the plunger pump produced at present in China has larger differences in technical advancement, working reliability, service life, variable mechanism control function and dynamic and static performance indexes, and is basically equivalent to the early level of the last 90 years of the foreign century. The difference is mainly expressed in the aspects of product variety, performance, reliability and the like. The product has only 1/3 foreign and 1/2 foreign life. The difference between the high-pressure plunger pump produced in China and the advanced level in China lies in that: the failure rate is high, and some products can fail only in one or two months, and foreign products can be used for one or two years; the average fault-free running time is less than 2000 hours in China and can reach more than 8000 hours abroad; the plunger pump has low internal precision, and the plunger pump in China is easy to generate excessive heating and internal loss under the long-time operation condition, so that the efficiency is rapidly reduced, and the roundness of the position of the spherical surface of the plunger produced in China is poor due to the reason, and the main processing mode is that the spherical surface of the plunger is ground by a molding sand wheel manually, so that the processing mode is single, the yield of processed spherical parts of the plunger is low, and the precision is poor; based on the application of the plunger pump and the problems appearing at the present stage, the plunger spherical part processing device of the utility model solves the problems of plunger spherical precision and transmission efficiency in the plunger pump; the processing precision of the plunger and the selection of plunger materials are particularly critical; on the basis of the current situation at present, the utility model discloses plunger sphere parts machining device's research and development seems very key.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the defects of the prior art and shortcomings the utility model aims to provide a plunger spherical surface machining device to improve the yield of plunger spherical surface parts and the machining efficiency solves the problems of labor cost and the like.
The utility model provides a technical scheme that its technical problem adopted is:
a plunger spherical processing device comprises an active swing mechanism 1, a coupler 2, a precise support bearing 3, a clamping cylinder 4, a plunger part 5, a grinding tool 6, a flexible grinding tool adjusting mechanism 7, a compression spring 8, a jacking cylinder 9, a swing mechanism 10, a servo driving motor 11, a precise swing bearing 12, an L support plate 13, a cabinet whole 14, a grinding tool loading pressure adjusting mechanism 16 and a grinding tool speed adjusting mechanism servo motor 17; wherein,
an L support plate 13 is arranged on one side of the top of the cabinet whole 14, a servo driving motor 11 is arranged on the top of the L support plate 13, and a swing mechanism 10 and a precision swing bearing 12 are installed at the front end of the servo driving motor 11;
the other side of the top of the cabinet whole 14 is provided with an active slewing mechanism 1, the top of the active slewing mechanism 1 is provided with a coupler 2, the coupler 2 is connected with a clamping cylinder 4, two sides of the clamping cylinder 4 are provided with precise supporting bearings 3, the top of the clamping cylinder 4 is provided with a plunger part 5, the top of the plunger part 5 is provided with a grinding tool 6, the top of the grinding tool 6 is provided with a flexible grinding tool adjusting mechanism 7, the top of the flexible grinding tool adjusting mechanism 7 is provided with a compression spring 8, and the top of the compression spring 8 is provided with a grinding tool speed adjusting mechanism servo motor 17;
a jacking cylinder 9 is arranged between the servo motor 17 of the speed regulating mechanism of the grinding tool and the servo driving motor 11, and a grinding tool loading pressure adjusting mechanism 16 is arranged at the bottom of the jacking cylinder 9.
The utility model discloses still have following additional technical characterstic:
as the utility model discloses technical scheme further specifically optimizes: the compression spring 8 is a flexible coil spring.
As the utility model discloses technical scheme further specifically optimizes: leveling feet 15 are arranged at four corners of the bottom of the whole cabinet 14.
Compared with the prior art, the utility model, its advantage lies in:
the method has the advantages that: the utility model discloses grinding of relative traditional sphere has realized the grinding processing of plunger sphere, has solved traditional sphere grinding inefficiency, and the yield is low to and traditional sphere grinding is wasted time and energy, difficult problems such as shaping emery wheel often restores.
The method has the advantages that: the problems of jamming and stable operation in the running process of the plunger pump are solved. The utility model discloses the device has followed the structure that has used traditional sphere to grind, drives the gyration with plunger ball part, and the flexible laminating of grinding apparatus is half pendulum motion on the plunger sphere, and motor drive grinding apparatus gyration forms certain rotational speed difference with the part, to plunger sphere abrasive machining.
The method has the advantages that: the structure is innovative, an active rotation speed regulating mechanism, a flexible grinding tool driving mechanism, a swing adjusting mechanism, a grinding tool loading pressure adjusting mechanism and the like are innovatively designed, and the plunger spherical surface machining grinding principle is realized. The grinding machine structure is characterized in that the grinding machine structure is formed by adopting the traditional spherical surface, a device special for processing the spherical parts of the plunger is innovatively designed, the structure is simple, the manufacturing cost is low, the grinding yield is high, the automation degree is high, and the number of stations and the range of the processed spherical diameter can be according to the requirements of users.
The advantages are that: the utility model discloses an automated control, the operation is simple and direct, low in manufacturing cost. The grinding tool for the plunger spherical part machining device has the advantages that the modern computer technology and the automatic control technology are adopted, the linear speeds of the grinding tool for the plunger spherical part machining device on the action points of the plunger spherical surface are equal, the directions are opposite, the grinding times of each action point of the ground plunger spherical surface are the same, the spherical surface is formed to be a constant track, and the implementation of the plunger spherical part machining device is guaranteed.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the plunger spherical surface processing device of the present invention;
fig. 2 is a control flow diagram of an automatic control system of the spherical surface processing device of the present invention.
Description of reference numerals: the device comprises a 1-active rotation mechanism, a 2-coupler, a 3-precision support bearing, a 4-clamping cylinder, a 5-plunger part, a 6-grinding tool, a 7-flexible grinding tool adjusting mechanism, a 8-compression spring, a 9-jacking cylinder, a 10-swing rotation mechanism, a 11-servo drive motor, a 12-precision swing bearing, a 13-L supporting plate, a 14-cabinet whole body, a 15-leveling ground foot, a 16-grinding tool loading pressure adjusting mechanism, a 17-grinding tool speed adjusting mechanism servo motor, a W1-active rotation direction speed, a W2-grinding tool running direction speed, a W3-swing angle and an Fn-elastic loading force.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings, in order that the present disclosure may be more completely understood, and the scope of the present disclosure may be fully conveyed to those skilled in the art. While the exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure is not limited to the embodiments set forth herein.
A plunger spherical processing device comprises an active swing mechanism 1, a coupler 2, a precise supporting bearing 3, a clamping cylinder 4, a plunger part 5, a grinding tool 6, a flexible grinding tool adjusting mechanism 7, a compression spring 8, a jacking cylinder 9, a swing mechanism 10, a servo driving motor 11, a precise swing bearing 12, an L support plate 13, a cabinet whole 14, a grinding tool loading pressure adjusting mechanism 16 and a grinding tool speed adjusting mechanism servo motor 17.
Leveling feet 15 are arranged at four corners of the bottom of the whole cabinet 14.
An L support plate 13 is arranged on one side of the top of the cabinet whole 14, a servo driving motor 11 is arranged on the top of the L support plate 13, and a swing mechanism 10 and a precision swing bearing 12 are installed at the front end of the servo driving motor 11;
the other side of the top of the whole 14 cabinet is provided with an active rotation mechanism 1, a coupler 2 is installed at the top of the active rotation mechanism 1, the coupler 2 is connected to a clamping cylinder 4, the two sides of the clamping cylinder 4 are provided with precise supporting bearings 3, a plunger part 5 is installed at the top of the clamping cylinder 4, a grinding tool 6 is installed at the top of the plunger part 5, a flexible grinding tool adjusting mechanism 7 is installed at the top of the grinding tool 6, a compression spring 8 is installed at the top of the flexible grinding tool adjusting mechanism 7, and the compression spring 8 is a flexible spiral spring. A grinding tool speed regulating mechanism servo motor 17 is arranged at the top of the compression spring 8;
a jacking cylinder 9 is arranged between the servo motor 17 of the speed regulating mechanism of the grinding tool and the servo driving motor 11, and a grinding tool loading pressure adjusting mechanism 16 is arranged at the bottom of the jacking cylinder 9.
The automatic clamping mechanism comprises a driving shaft, a precise support angular contact bearing, an automatic clamping device and a rotating speed adjusting driving mechanism, wherein the plunger spherical part is automatically clamped on the automatic rotation adjusting mechanism to perform constant-speed rotation movement, and the rotation precision is 0.005mm, so that the precision of the plunger spherical part is ensured;
the flexible grinding tool driving mechanism adopts a flexible spiral spring to connect the grinding tool, and the grinding tool is effectively attached to a part by the contour line of the spherical surface of the plunger under the action of the grinding tool loading pressure adjusting mechanism 16, so that the contour degree of the spherical surface is improved;
the swing adjusting mechanism is connected with the flexible grinding tool driving mechanism and the grinding tool loading pressure adjusting mechanism to do circular reciprocating swing by the plunger spherical center, and the swing angle is +/-45 degrees adjustable.
Referring to fig. 1, the working principle of the plunger spherical surface processing device is as follows: the motion trail of the spherical surface is simulated, the consistency of the grinding times of the spherical surface is ensured under the action of the elastic pressure Fn of the elastic automatic tracking spherical spring, and the precision stability is ensured. The grinding tool is of an inner hole cylindrical structure, a grinding tool circular ring and a spherical surface are in contact with the plunger spherical surface under the action of a loading force Fn, the circular ring is gradually ground into an arc-shaped cutting edge with approximate spherical size under the action of abrasive particles, under the driving of three motion modes of an active rotation direction speed W1, a grinding tool running direction speed W2 and a swing angle W3, under the action of an elastic loading force Fn which always points to the spherical center, the swing angle W3 is generally about +/-50 degrees according to the degree of the spherical covering surface of a grinding head, the whole plunger spherical surface can be completely covered, the grinding tool 4 moves according to a spherical motion track, the plunger spherical surface processing principle is realized, in order to meet the ultra-precision processing precision of the plunger, the precision processing error analysis is calculated and simulated through a control program, a large number of experiments are established according to three-dimensional space theory, and the special plunger processing technological parameters of plunger material, precision and size, namely the active rotation direction speed W1, The optimum process parameter combination sequence of the grinding tool running direction speed W2, the swing angle W3, the elastic loading force Fn and the like.
Referring to fig. 1, W1 is 300r/min, W2 is 600r/min, W3 is ± 25 °, coarse grinding Fn is 10N, fine grinding Fn is 1N, and in order to ensure the processing precision of the plunger spherical surface, the size of the grinding tool and the selection of the fixture tool are selected; specially designed research experiments are carried out, the optimal proportion coefficient of the inner diameter of the plunger grinding tool is obtained, the inner diameter d of the plunger grinding tool is (0.7-0.85) multiplied by S phi (plunger spherical surface) mm, the selection of the grinding agent is also important, the allowance is removed, the W28 diamond grinding paste is selected, and the W3.5 diamond grinding paste is generally selected for improving the surface smoothness.
Referring to fig. 2, its characterized in that of plunger sphere parts machining device realized intelligent servo control, the operation is simple and direct, and is not high to operating personnel's technical merit requirement, the sexual valence relative altitude. The intelligent servo control system of the plunger spherical part processing device consists of an active slewing mechanism servo motor, a swinging slewing servo motor, a grinding tool speed regulating mechanism servo motor, an encoder and a control system.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the above description, in combination with the drawings in the embodiments of the present invention, clearly and completely describes the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the above detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (3)
1. A plunger spherical processing device is characterized by comprising an active swing mechanism (1), a coupler (2), a precise support bearing (3), a clamping cylinder (4), a plunger part (5), a grinding tool (6), a flexible grinding tool adjusting mechanism (7), a compression spring (8), a jacking cylinder (9), a swing mechanism (10), a servo driving motor (11), a precise swing bearing (12), an L support plate (13), a cabinet whole body (14), a grinding tool loading pressure adjusting mechanism (16) and a grinding tool speed adjusting mechanism servo motor (17); wherein,
an L support plate (13) is arranged on one side of the top of the cabinet body (14), a servo drive motor (11) is arranged on the top of the L support plate (13), and a swing mechanism (10) and a precision swing bearing (12) are installed at the front end of the servo drive motor (11);
an active rotating mechanism (1) is arranged on the other side of the top of the whole cabinet (14), a coupler (2) is installed on the top of the active rotating mechanism (1), the coupler (2) is connected to a clamping cylinder (4), precise supporting bearings (3) are arranged on two sides of the clamping cylinder (4), a plunger part (5) is installed on the top of the clamping cylinder (4), a grinding tool (6) is installed on the top of the plunger part (5), a flexible grinding tool adjusting mechanism (7) is installed on the top of the grinding tool (6), a compression spring (8) is installed on the top of the flexible grinding tool adjusting mechanism (7), and a grinding tool speed adjusting mechanism servo motor (17) is arranged on the top of the compression spring (8);
a jacking cylinder (9) is arranged between the servo motor (17) of the grinding tool speed regulating mechanism and the servo driving motor (11), and a grinding tool loading pressure adjusting mechanism (16) is arranged at the bottom of the jacking cylinder (9).
2. The plunger spherical surface processing device according to claim 1, wherein: the compression spring (8) is a flexible helical spring.
3. The plunger spherical surface processing device according to claim 1, wherein: four corners of the bottom of the cabinet body (14) are provided with leveling feet (15).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022695191.1U CN213999041U (en) | 2020-11-19 | 2020-11-19 | Plunger spherical surface machining device |
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| CN202022695191.1U CN213999041U (en) | 2020-11-19 | 2020-11-19 | Plunger spherical surface machining device |
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| CN213999041U true CN213999041U (en) | 2021-08-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114178909A (en) * | 2021-11-03 | 2022-03-15 | 山东常林机械集团股份有限公司 | Novel process for machining spherical friction pair of hydraulic plunger pump cylinder body and oil distribution disc |
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- 2020-11-19 CN CN202022695191.1U patent/CN213999041U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114178909A (en) * | 2021-11-03 | 2022-03-15 | 山东常林机械集团股份有限公司 | Novel process for machining spherical friction pair of hydraulic plunger pump cylinder body and oil distribution disc |
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