CN214021538U - Steel piston coating tool - Google Patents
Steel piston coating tool Download PDFInfo
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- CN214021538U CN214021538U CN202022719410.5U CN202022719410U CN214021538U CN 214021538 U CN214021538 U CN 214021538U CN 202022719410 U CN202022719410 U CN 202022719410U CN 214021538 U CN214021538 U CN 214021538U
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Abstract
The utility model discloses a steel piston coating tool, which comprises a base, wherein the base is provided with a spigot disc for positioning a steel piston spigot, a connecting disc for installing a machine tool cylinder pull rod, a supporting component for supporting an inner cavity of a steel piston and a clamping component for tensioning the steel piston, and the spigot disc and the connecting disc are detachably connected with the base; the clamping assembly comprises an inner core connected with the pull rod, a pressing block used for pressing the inner wall surface of the steel piston and a pull column, and the pull column is connected with the inner core and the pressing block; when the inner core moves upwards along the height direction of the base, the pull column drives the pressing block to move inwards along the radial direction of the base, and when the inner core moves downwards along the height direction of the base, the pull column drives the pressing block to move outwards along the radial direction of the base. The steel piston coating tool provided by the utility model is convenient, rapid and efficient to use, effectively reduces the labor intensity and improves the coating processing efficiency; the spigot disc can be replaced according to different steel piston sizes, and the universal piston is strong in universality and convenient to replace.
Description
Technical Field
The utility model relates to an internal-combustion engine annex technical field, more specifically say, relate to a steel piston coating frock.
Background
The piston is a core part of the engine, works under the severe working conditions of high temperature, high pressure, high speed and even poor lubrication, and the quality of the piston directly influences various performance indexes of the engine. In order to improve the performance of the engine, the steel piston with high temperature and high pressure resistance is widely applied.
In order to improve the performance of the steel piston, the skirt part of the piston needs to be subjected to nano coating treatment. On one hand, the nano coating can effectively prevent the piston from being rusted, so that the service life of the piston is prolonged; on the other hand, the piston reciprocates under the explosion pressure generated by the combustion of the fuel mixed gas, the skirt part of the piston plays a guiding role and is seriously abraded in the reciprocating motion, and the nano coating can increase the surface strength of the skirt part.
The traditional coating tool is long in installation time and difficult to debug, and the coating is prone to coating deviation caused by tool looseness in the machining process.
In summary, how to provide a coating tool convenient for installation and debugging is a problem to be urgently solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a steel piston coating frock, convenient to use, swift, high-efficient, the debugging of being convenient for has alleviateed intensity of labour effectively, has improved coating machining efficiency and stability.
In order to achieve the above object, the present invention provides the following technical solutions:
a steel piston coating tool comprises a base, wherein a spigot disc used for positioning a spigot of a steel piston, a connecting disc used for installing a machine tool cylinder pull rod, a supporting assembly used for supporting an inner cavity of the steel piston and a clamping assembly used for tensioning the steel piston are arranged on the base, and the spigot disc and the connecting disc are detachably connected with the base;
the clamping assembly comprises an inner core connected with the pull rod, a pressing block used for pressing the inner wall surface of the steel piston and a pull column, and the pull column is connected with the inner core and the pressing block;
when the inner core moves upwards along the height direction of the base, the pull column drives the pressing block to move inwards along the radial direction of the base, and when the inner core moves downwards along the height direction of the base, the pull column drives the pressing block to move outwards along the radial direction of the base.
Preferably, the support assembly comprises a frame connected with the base and a limit block installed in the frame, and the shape of the frame is the same as that of an inner cavity of the steel piston;
the limiting block is provided with a first spring mounting hole for mounting a first spring, so that the first spring drives the limiting block to be abutted against the side face of the inner cavity of the steel piston.
Preferably, the pull column is provided with a first mounting hole for mounting a first pin, a second mounting hole for mounting a second pin and a second bolt mounting hole for mounting a second bolt, the first pin is connected with the inner core, the second pin is connected with the base, and the second bolt is connected with the pull column and the pressing block;
the second pin column is connected with the second mounting hole in a sliding mode, and the extending direction of the second mounting hole is not parallel to the height direction of the base and is not perpendicular to the height direction of the base.
Preferably, the second mounting hole is an arc-shaped hole.
Preferably, the inner core is provided with a second spring mounting hole for mounting a second spring, and the axis of the second spring mounting hole is parallel to the height direction of the base;
one end of the second spring is connected with the inner core, and the other end of the second spring is connected with or abutted against the bottom surface of the inner cavity of the base.
Preferably, the base is provided with a third pin, and the inner core is provided with a limiting hole for installing the third pin so as to perform error-proofing positioning on the inner core.
Preferably, the upper end face of the base is provided with a positioning step matched with the spigot disc in a clamping manner, the positioning step is provided with a first bolt mounting hole for mounting a first bolt, and the first bolt is connected with the spigot disc and the base.
Preferably, the connecting plate is provided with a through pull rod mounting hole, the pull rod is mounted in the pull rod mounting hole, and a positioning key is arranged between the pull rod and the pull rod mounting hole.
When the steel piston coating tool provided by the utility model is used, firstly, the machine tool cylinder pull rod drives the inner core to move upwards, so that the pressing block contracts inwards to avoid the piston pin boss of the steel piston; then, the mechanical arm grabs the steel piston at a preset position, the inner cavity of the piston is installed in the supporting assembly, after the position of the piston is preliminarily corrected through the supporting assembly, the mechanical arm continuously descends to enable the spigot of the piston to be in contact with the spigot disc of the coating tool, and the radial position and the circumferential position of the steel piston are accurately positioned through the spigot disc; and finally, the machine tool cylinder draws the cylinder to drive the inner core to move downwards, so that the pressing block outwards compresses the piston pin hole of the steel piston, and the steel piston is clamped.
Therefore, the steel piston coating tool provided by the utility model is convenient, rapid and efficient to use, and compared with the existing coating tool which is difficult to install and tedious to debug, the steel piston coating tool effectively reduces the labor intensity and improves the coating processing efficiency; the spigot disc and the connecting disc are detachably connected with the base, the spigot disc and the connecting disc can be replaced according to different steel piston sizes and machine tool cylinder models, and the connecting disc is high in universality and convenient to replace; after the positioning is finished, the piston pin holes are tightly pressed through the pressing blocks, so that the looseness of the steel piston in the coating process is avoided, and the stability of the tool is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of a steel piston coating tool according to an embodiment of the present invention, the steel piston coating tool being engaged with a steel piston;
FIG. 2 is a schematic front view of the steel piston coating tool and the steel piston in FIG. 1;
FIG. 3 is a schematic cross-sectional view in the direction A-A;
FIG. 4 is a schematic cross-sectional view taken along the direction B-B;
FIG. 5 is a schematic cross-sectional view in the direction C-C;
FIG. 6 is a schematic structural view of a base;
FIG. 7 is a schematic view of a structure of a stop plate;
FIG. 8 is a schematic structural diagram of a connecting disc;
FIG. 9 is a schematic structural view of the inner core;
FIG. 10 is a schematic structural view of a pull stud;
FIG. 11 is a schematic view of the frame construction;
fig. 12 is a schematic structural diagram of a limiting block.
In fig. 1-12:
the structure comprises a base 1, a stop disc 2, a connecting disc 3, a frame 4, a limiting block 5, a pressing block 6, a pull column 7, a first mounting hole 701, a second mounting hole 702, a second mounting hole 703, a second bolt mounting hole 8, a first pin column 9, an inner core 10, a second spring mounting hole 1001, a third mounting hole 1002 and a third pin column 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The core of the utility model is to provide a steel piston coating frock, convenient to use, swift, high-efficient, the debugging of being convenient for has alleviateed intensity of labour effectively, has improved coating machining efficiency and stability.
Please refer to fig. 1-12.
The utility model provides a steel piston coating frock, including base 1, be equipped with on base 1 be used for with the tang dish 2 of location steel piston tang, be used for installing connection pad 3 of lathe cylinder pull rod, be used for supporting the support assembly of steel piston inner chamber and be used for the clamping assembly of taut steel piston, tang dish 2 and connection pad 3 all can dismantle with base 1 and be connected; the clamping assembly comprises an inner core 10 connected with the pull rod, a pressing block 6 used for pressing the inner wall surface of the steel piston and a pull column 7, and the pull column 7 is connected with the inner core 10 and the pressing block 6; when the inner core 10 moves upwards along the height direction of the base 1, the pull column 7 drives the pressing block 6 to move inwards along the radial direction of the base 1, and when the inner core 10 moves downwards along the height direction of the base 1, the pull column 7 drives the pressing block 6 to move outwards along the radial direction of the base 1.
The spigot disc 2 is arranged on the upper end surface of the base 1 and is used for being matched with a piston spigot of a steel piston to position the axial position and the radial position of the steel piston. Because the piston spigot surface of the steel piston is a precise reference for positioning processing, the spigot disc 2 can be matched with the piston spigot to accurately position the steel piston.
The spigot disc 2 is detachably connected with the base 1 so that different spigot discs 2 can be replaced according to different types of steel pistons. Preferably, the up end of base 1 is equipped with tang dish 2 joint complex location step, and is equipped with the first bolt mounting hole of first bolt of installation on the location step, and first bolted connection tang dish 2 and base 1, joint strength height, strong and connect convenient, the change of being convenient for of stability.
The connecting disc 3 is arranged on the lower end face of the base 1 and is used for being connected with a machine tool cylinder pull rod. In order to meet the coaxiality requirement required by coating production, the connecting disc 3 is matched with the base 1 through a high-precision shaft hole.
Preferably, referring to fig. 8, a through pull rod mounting hole is formed in the connecting plate 3, the pull rod is mounted in the pull rod mounting hole, and a positioning key is arranged between the pull rod and the pull rod mounting hole to limit rotation of the coating tool through the positioning key. The positioning key can be set as a square key, a wedge key and the like.
Referring to fig. 6, in order to facilitate connection between the connection disc 3 and the base 1, an inward concave avoiding groove is formed in a side wall surface of the base 1, and a third bolt mounting hole for connecting the base 1 with the connection disc 3 is formed in a bottom surface of the avoiding groove, so that the third bolt can be conveniently mounted and dismounted, and the connection disc 3 can be conveniently replaced.
The cross section of the avoiding groove can be designed into any geometric shape such as a sector shape, a sector ring shape and the like, and the height of the avoiding groove and the depth of the avoiding groove in the radial direction of the base 1 need to be designed and calculated according to the size of the third bolt, the required minimum installation distance and the like.
The supporting component is used for supporting the piston inner cavity of the steel piston and roughly positioning the side wall of the inner cavity of the steel piston. The side wall of the inner cavity of the steel piston is a rough reference for positioning and machining the steel piston, so that the position of the steel piston is preliminarily positioned by matching the supporting component with the inner cavity of the piston.
Referring to fig. 11 and 12, preferably, the support assembly includes a frame 4 connected to the base 1 and a stopper 5 installed in the frame 4, and the shape of the frame 4 is the same as the shape of the inner cavity of the steel piston; the limiting block 5 is provided with a first spring mounting hole for mounting a first spring, so that the first spring drives the limiting block 5 to abut against the side face of the inner cavity of the steel piston.
Referring to fig. 11, a fourth bolt mounting hole is formed in the lower end surface of the frame 4, and the frame 4 and the base 1 are connected through the fourth bolt, so that the connection mode is simple and convenient, and the disassembly, assembly and replacement are convenient; a supporting part for supporting the steel piston is arranged on the lower end face of the frame 4, the cross section of the supporting part is approximately trapezoidal, and the size of the supporting part is slightly smaller than that of the inner cavity of the steel piston; be equipped with the stopper mounting hole that is used for installing stopper 5 on the supporting part, the extending direction of the last first spring of stopper 5 is perpendicular with the extending direction of supporting part.
Therefore, when the manipulator grabs and places the steel piston on the support assembly, the first spring is extruded by the side surface of the inner cavity to drive the limiting block 5 to contract inwards, so that the limiting block 5 is abutted against the side surface of the inner cavity of the steel piston, and the side surface of the inner cavity of the steel piston is positioned; after finishing coating, the manipulator grabs the steel piston and leaves the supporting component, and the limiting block 5 resets under the action of the elastic restoring force of the first spring.
Briquetting 6, pull 7 and inner core 10 constitute the tight subassembly of clamp of steel piston coating frock, and wherein, inner core 10 moves along the direction of height of base 1, and briquetting 6 moves along the radial direction of base 1, and pull 7 connection briquetting 6 and inner core 10 of post for change the motion of inner core 10 along the base 1 direction into the motion of briquetting 6 along the radial direction of base 1.
In order to realize the change of the stress direction, the contact surface of the pull column 7 and the pressing block 6 can be set to be a wedge surface, so that the acting force of the pull column 7 on the pressing block 6 along the height direction of the base 1 can be resolved into component force along the radial direction of the base 1. In addition, the transformation of the stress direction can be realized through other structures.
In order to reduce the impact between the inner core 10 and the base 1 during the movement, preferably, the inner core 10 is provided with a second spring mounting hole 1001 for mounting a second spring, and the axis of the second spring mounting hole 1001 is parallel to the height direction of the base 1; one end of the second spring is connected with the inner core 10, and the other end is connected with or abutted against the bottom surface of the inner cavity of the base 1. Therefore, when the machine tool cylinder pull rod drives the inner core 10 to move along the height direction of the base 1, the second spring accumulates elastic potential energy, so that the impact of the lower end face of the inner core 10 and the bottom face of the inner cavity of the base 1 can be effectively reduced, and the service life of the inner core 10 is greatly prolonged.
The number and the arrangement positions of the second spring mounting holes 1001 are determined according to the requirements in actual production. Referring to fig. 9, the number of the second spring mounting holes 1001 is four and is uniformly distributed in the circumferential direction of the inner core 10.
Preferably, the base 1 may be provided with a third pin 11, and the inner core 10 is provided with a limiting hole for installing the third pin 11, so as to perform error-proofing positioning on the inner core 10.
When the piston is used, firstly, the machine tool cylinder pull rod drives the inner core 10 to move upwards, so that the pressing block 6 contracts inwards to avoid a piston pin boss of the steel piston; then, the mechanical arm grabs the steel piston at a preset position, the inner cavity of the piston is installed in the supporting assembly, after the position of the piston is preliminarily corrected through the supporting assembly, the mechanical arm continuously descends to enable the spigot of the piston to be in contact with the spigot disc 2 of the coating tool, and the radial position and the circumferential position of the steel piston are accurately positioned through the spigot disc 2; and finally, the machine tool cylinder draws the cylinder to drive the inner core 10 to move downwards, so that the press block 6 outwards presses the piston pin hole of the steel piston, and the steel piston is clamped.
Therefore, the steel piston coating tool provided by the embodiment is convenient, quick and efficient to use, and compared with the existing coating tool, the steel piston coating tool is difficult to install and tedious to debug, the labor intensity is effectively reduced, and the coating processing efficiency is improved; the spigot disc 2 and the connecting disc 3 are detachably connected with the base 1, the spigot disc 2 and the connecting disc 3 can be replaced according to different steel piston sizes and machine tool cylinder models, and the universal joint is strong in universality and convenient to replace; after the positioning is finished, the piston pin holes are tightly pressed through the pressing blocks 6, so that the looseness of the steel piston in the coating process is avoided, and the stability of the tool is improved.
On the basis of the above embodiment, the structure of the hold-down assembly is limited, the pull column 7 is provided with a first mounting hole 701 for mounting a first pin 9, a second mounting hole 702 for mounting a second pin 8 and a second bolt mounting hole 703 for mounting a second bolt, the first pin 9 is connected with the inner core 10, the second pin 8 is connected with the base 1, and the second bolt connects the pull column 7 and the press block 6; the second pin 8 is slidably connected to the second mounting hole 702, and the extending direction of the second mounting hole 702 is not parallel to and perpendicular to the height direction of the base 1.
Referring to fig. 9, a third mounting hole 1002 is formed in the inner core 10, and the first pin 9 connects the inner core 10 and the pull stud 7 through the first mounting hole 701 and the third mounting hole 1002; the extending direction of the third mounting hole 1002 is perpendicular to the extending direction of the second spring mounting hole 1001.
The second mounting hole 702 is slidably connected to the second pin 8, and in order to satisfy the law of motion that the pull rod 7 moves upward and the press block 6 moves inward, please refer to fig. 10, the closer the position on the second mounting hole 702 to the first mounting hole 701, the closer the position to the axis of the base 1.
Preferably, the second mounting hole 702 may be an arc-shaped hole, so that friction between the inner wall surface of the second mounting hole 702 and the second pin 8 is reduced, and the clamping during the movement process is avoided.
Referring to fig. 3, the pull rod 7 is fixedly connected to the inner core 10 through the first pin 9, so that when the inner core 10 moves upward along the height direction of the base 1, the pull rod 7 and the inner core 10 can move upward synchronously; when the pull column 7 moves upwards along the height direction of the base 1, the second pin 8 moves towards the upper end of the second mounting hole 702, and the second pin 8 is fixedly connected with the base 1, so that the pull column 7 moves towards the direction close to the axis of the base 1 and drives the press block 6 to contract inwards.
It should be noted that, as mentioned in this document, the first spring and the second spring, the first spring mounting hole and the second spring mounting hole 1001, the first pin 9, the second pin 8, and the third pin 11, the first mounting hole 701, the second mounting hole 702, and the third mounting hole 1002, and the first bolt, the second bolt, the third bolt, and the fourth bolt, and the first bolt mounting hole, the second bolt mounting hole 703, the third bolt mounting hole, and the fourth bolt mounting hole, the first, the second, the third, and the fourth are only used to distinguish the difference of the positions, and do not limit the sequence.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It is right above the utility model provides a steel piston coating frock has carried out the detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (8)
1. The steel piston coating tool is characterized by comprising a base (1), wherein a spigot disc (2) for positioning a spigot of a steel piston, a connecting disc (3) for mounting a machine tool cylinder pull rod, a supporting assembly for supporting an inner cavity of the steel piston and a clamping assembly for tensioning the steel piston are arranged on the base (1), and the spigot disc (2) and the connecting disc (3) are detachably connected with the base (1);
the clamping assembly comprises an inner core (10) connected with the pull rod, a pressing block (6) used for pressing the inner wall surface of the steel piston and a pull column (7), and the pull column (7) is connected with the inner core (10) and the pressing block (6);
when the inner core (10) moves upwards along the height direction of the base (1), the pull column (7) drives the pressing block (6) to move inwards along the radial direction of the base (1), and when the inner core (10) moves downwards along the height direction of the base (1), the pull column (7) drives the pressing block (6) to move outwards along the radial direction of the base (1).
2. The steel piston coating tool according to claim 1, wherein the support assembly comprises a frame (4) connected with the base (1) and a limiting block (5) installed in the frame (4), and the shape of the frame (4) is the same as that of an inner cavity of the steel piston;
the limiting block (5) is provided with a first spring mounting hole for mounting a first spring, so that the first spring drives the limiting block (5) to abut against the side face of the inner cavity of the steel piston.
3. The steel piston coating tool according to claim 1, wherein the pull column (7) is provided with a first mounting hole (701) for mounting a first pin (9), a second mounting hole (702) for mounting a second pin (8) and a second bolt mounting hole (703) for mounting a second bolt, the first pin (9) is connected with the inner core (10), the second pin (8) is connected with the base (1), and the second bolt is connected with the pull column (7) and the press block (6);
the second pin (8) is connected with the second mounting hole (702) in a sliding mode, and the extending direction of the second mounting hole (702) is not parallel to and perpendicular to the height direction of the base (1).
4. The steel piston coating tool according to claim 3, characterized in that the second mounting hole (702) is an arc-shaped hole.
5. The steel piston coating tool according to claim 1, characterized in that the inner core (10) is provided with a second spring mounting hole (1001) for mounting a second spring, and the axis of the second spring mounting hole (1001) is parallel to the height direction of the base (1);
one end of the second spring is connected with the inner core (10), and the other end of the second spring is connected with or abutted against the bottom surface of the inner cavity of the base (1).
6. The steel piston coating tool according to claim 1, characterized in that a third pin (11) is arranged on the base (1), and a limiting hole for mounting the third pin (11) is arranged on the inner core (10) so as to perform error-proofing positioning on the inner core (10).
7. The steel piston coating tool according to any one of claims 1 to 6, wherein a positioning step matched with the spigot disc (2) in a clamping manner is arranged on the upper end face of the base (1), a first bolt mounting hole for mounting a first bolt is formed in the positioning step, and the first bolt is connected with the spigot disc (2) and the base (1).
8. The steel piston coating tool according to any one of claims 1-6, wherein a through pull rod mounting hole is formed in the connecting disc (3), the pull rod is mounted in the pull rod mounting hole, and a positioning key is arranged between the pull rod and the pull rod mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022719410.5U CN214021538U (en) | 2020-11-20 | 2020-11-20 | Steel piston coating tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022719410.5U CN214021538U (en) | 2020-11-20 | 2020-11-20 | Steel piston coating tool |
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| Publication Number | Publication Date |
|---|---|
| CN214021538U true CN214021538U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022719410.5U Active CN214021538U (en) | 2020-11-20 | 2020-11-20 | Steel piston coating tool |
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| CN (1) | CN214021538U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734287A (en) * | 2022-05-12 | 2022-07-12 | 威海天润机械科技有限公司 | Piston pin hole processing tool and processing equipment |
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2020
- 2020-11-20 CN CN202022719410.5U patent/CN214021538U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114734287A (en) * | 2022-05-12 | 2022-07-12 | 威海天润机械科技有限公司 | Piston pin hole processing tool and processing equipment |
| CN114734287B (en) * | 2022-05-12 | 2023-03-07 | 威海天润机械科技有限公司 | Piston pin hole processing tool and processing equipment |
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