CN211589131U

CN211589131U - Piston pin excircle chamfer rolling processing device

Info

Publication number: CN211589131U
Application number: CN202020041434.7U
Authority: CN
Inventors: 姜伟清
Original assignee: Three And Mechatronics Ltd By Share Ltd
Current assignee: Three And Mechatronics Ltd By Share Ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-09-29
Anticipated expiration: 2030-01-09

Abstract

The utility model relates to a piston pin processing technology field, and a piston pin excircle chamfer roll extrusion processingequipment is disclosed, including the piston pin, piston pin positioning mechanism, be located the piston pin respectively, two fixed plates that lower side end is used for processing last rolling wheel and lower rolling wheel of piston pin excircle chamfer and longitudinal symmetry set up, piston pin positioning mechanism comprises an initiative runner and a pair of passive runner, the tight piston pin of initiative runner and passive runner are mutually supported and are pressed from both sides, passive runner sets up on a movable support, the movable support is driven by the pneumatic cylinder, go up rolling wheel and lower rolling wheel and drive pneumatic cylinder control work by two respectively, it is connected with same bull stick to rotate through ball bearing between two fixed plates. The utility model discloses can process the use according to the different initiative runner of concrete length size quick replacement of waiting to process the piston pin, improve application scope greatly, the in-service processing of being convenient for is used.

Description

Piston pin excircle chamfer rolling processing device

Technical Field

The utility model relates to a piston pin processing technology field especially relates to a piston pin excircle chamfer roll extrusion processingequipment.

Background

The guiding function of the excircle chamfer of the piston pin directly influences the assembly quality. Most of the piston is made of aluminum alloy, the strength of the aluminum alloy is low, and the quality of the excircle chamfer of the piston pin can cause the piston pin to scratch the piston pin hole during assembly. The excircle chamfer of the piston pin has a single angle, a double angle and a triangle, the piston pin production enterprises in China all adopt the form of machining such as turning and grinding to realize, the chamfer size and the angle processed by the modes are unstable, and the processing efficiency is low.

The patent with the patent publication number of CN 201505799U discloses a piston pin excircle chamfer rolling processing device, including piston pin positioning mechanism and the upper and lower rolling wheel that is located the piston pin respectively, the lower side is used for processing piston pin excircle chamfer, piston pin positioning mechanism comprises an initiative runner and a pair of passive runner, the tight piston pin of initiative runner and passive runner mutually supported clamp to location piston pin and drive its rotation, this patent has now worked to the high accuracy of piston pin excircle chamfer, has satisfied the various excircle chamfers of the different requirements of user, but the retaining ring rigidity at both ends about the initiative runner, can only carry out the processing operation to the piston pin of same injecing length, and application scope is little, and the in-service use of being not convenient for is processed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the retaining ring rigidity at both ends about the initiative runner among the prior art, can only carry out the processing operation to the piston pin of same injecing length, application scope is little, the problem that the actual processing of being not convenient for was used, and a piston pin excircle chamfer roll extrusion processingequipment who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a piston pin excircle chamfer rolling processing device comprises a piston pin, a piston pin positioning mechanism, an upper rolling wheel and a lower rolling wheel which are respectively positioned on the piston pin and at the lower side end for processing piston pin excircle chamfer, and two fixing plates which are symmetrically arranged up and down, wherein the piston pin positioning mechanism is composed of an active rotating wheel and a pair of passive rotating wheels, the active rotating wheel and the passive rotating wheels are mutually matched to clamp the piston pin, the passive rotating wheels are arranged on a movable support, the movable support is driven by a hydraulic cylinder, the upper rolling wheel and the lower rolling wheel are respectively controlled by two driving hydraulic cylinders to work, a same rotating rod is rotatably connected between the two fixing plates through a ball bearing, a plurality of fixing supports are uniformly and fixedly connected on the rod wall of the rotating rod, and a plurality of active rotating wheels with different sizes are respectively rotatably connected between the inner walls at the upper side and the lower side of the fixing supports, the upper end lower extreme of initiative runner all fixedly connected with retaining ring, the upper end fixedly connected with driving motor of fixed bolster, the output shaft of driving motor lower extreme run through the surface of fixed bolster and with the upper end fixed connection of pivot.

Preferably, the upper and lower both ends of bull stick all run through the surface and the fixedly connected with limiting plate of fixed plate, two rings that go up and down have been cup jointed in the pole wall symmetry activity of bull stick, the same cover of fixedly connected with is established at the outer extrusion spring of bull stick between the lateral wall of one side in opposite directions of ring and limiting plate, the lateral wall fixedly connected with locating plate of ring that goes up and down, many locating levers of lower extreme fixedly connected with of locating plate, a plurality of constant head tanks that correspond the grafting with the locating lever are seted up to the upper end of fixed plate.

Preferably, the rotating rod and the lifting ring are of corresponding polygonal structures.

Preferably, the rod wall of the positioning rod is coated with a layer of damping rubber pad.

Preferably, the driving motor is electrically connected with an external power supply through a control switch.

Compared with the prior art, the utility model provides a piston pin excircle chamfer roll extrusion processingequipment possesses following beneficial effect:

1. this piston pin excircle chamfer roll extrusion processingequipment, bull stick through being equipped with, the suitable initiative runner of piston pin size length selection of processing as required, initiative runner initiative to passive runner department with corresponding, the lifting ring rotates to suitable position along with the bull stick this moment, the constant head tank department that the corresponding position is aimed at to the locating lever, extrusion spring promotes the lifting ring and makes the locating plate remove towards the fixed plate, and then make the firm grafting of locating lever in the constant head tank, can realize quick spacing to the initiative runner, can process the use according to the different initiative runners of the concrete length size quick replacement of waiting to process the piston pin, application scope has been improved greatly, the in-service use of being convenient for.

2. This piston pin excircle chamfer roll extrusion processingequipment, change bar and lifter ring are for the polygonized structure that corresponds and when making the change bar rotate the lifter ring can be stable rather than synchronous rotation for stop gear is firm.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can process the use according to the different initiative runners of concrete length size quick replacement of waiting to process the piston pin, improve application scope greatly, the in-service use of being convenient for.

Drawings

Fig. 1 is a schematic structural view of a piston pin outer circle chamfer rolling processing device provided by the utility model;

fig. 2 is the utility model provides a piston pin excircle chamfer roll extrusion processingequipment A part's schematic structure diagram.

In the figure: the device comprises a piston pin 1, an upper rolling wheel 2, a lower rolling wheel 3, a fixed plate 4, a driving rotating wheel 5, a driven rotating wheel 6, a movable support 7, a hydraulic cylinder 8, a driving hydraulic cylinder 9, a rotating rod 10, a fixed support 11, a retainer ring 12, a driving motor 13, a limiting plate 14, a lifting ring 15, an extrusion spring 16, a positioning plate 17, a positioning rod 18 and a positioning groove 19.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a piston pin excircle chamfer rolling processing device comprises a piston pin 1, a piston pin positioning mechanism, an upper rolling wheel 2 and a lower rolling wheel 3 which are respectively positioned at the upper side end and the lower side end of the piston pin 1 and are used for processing piston pin excircle chamfers, and two fixing plates 4 which are symmetrically arranged up and down, wherein the piston pin positioning mechanism is composed of an active rotating wheel 5 and a pair of passive rotating wheels 6, the active rotating wheel 5 and the passive rotating wheels 6 are mutually matched to clamp the piston pin 1, the passive rotating wheels 6 are arranged on a movable support 7, the movable support 7 is driven by a hydraulic cylinder 8, the upper rolling wheel 2 and the lower rolling wheel 3 are respectively controlled by two driving hydraulic cylinders 9 to work, a same rotating rod 10 is rotatably connected between the two fixing plates 4 through a ball bearing, a plurality of fixing supports 11 are uniformly and fixedly connected to the rod wall of the rotating rod 10, and a plurality of active rotating wheels 5 with different sizes are respectively, the upper end and the lower end of the driving rotating wheel 5 are fixedly connected with a retainer ring 12, the upper end of the fixed support 11 is fixedly connected with a driving motor 13, and an output shaft at the lower end of the driving motor 13 penetrates through the surface of the fixed support 11 and is fixedly connected with the upper end of the rotating shaft.

The upper and lower both ends of bull stick 10 all run through fixed plate 4's surface and fixedly connected with limiting plate 14, two elevator rings 15 have been cup jointed in the pole wall symmetry activity of bull stick 10, the same cover of fixedly connected with is established at the outer extrusion spring 16 of bull stick 10 between elevator ring 15 and the limiting plate 14 lateral wall in opposite directions, the lateral wall fixedly connected with locating plate 17 of elevator ring 15, many locating levers 18 of the lower extreme fixedly connected with of locating plate 17, a plurality of constant head tanks 19 that correspond the grafting with locating lever 18 are seted up to the upper end of fixed plate 4.

The rotating rod 10 and the lifting ring 15 are of corresponding polygonal structures.

The wall of the positioning rod 18 is coated with a layer of damping rubber pad.

The driving motor 13 is electrically connected with an external power supply through a control switch.

In the utility model, when in use, the rotating rod 10 is arranged, the appropriate active rotating wheel 5 is selected according to the size and the length of the piston pin 1 to be processed as required, the corresponding active rotating wheel 5 is rotated to the passive rotating wheel 6, at the moment, the lifting ring 15 rotates to the appropriate position along with the rotating rod 10, the positioning rod 18 is aligned to the positioning groove 19 of the corresponding position, the extrusion spring 16 pushes the lifting ring 15 to make the positioning plate 17 move towards the fixed plate 4, so that the positioning rod 18 is stably inserted in the positioning groove 19, the rapid limiting of the active rotating wheel 5 can be realized, the different active rotating wheels 5 can be rapidly replaced according to the specific length and the size of the piston pin to be processed, the application range is greatly improved, the practical processing and use are convenient, the rotating rod 10 and the lifting ring 15 can stably rotate synchronously with the rotating rod 10 due to the corresponding polygonal structure, so that the limiting mechanism is stable.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The piston pin excircle chamfer rolling processing device comprises a piston pin (1), a piston pin positioning mechanism, an upper rolling wheel (2) and a lower rolling wheel (3) which are respectively positioned at the upper side end and the lower side end of the piston pin (1) and used for processing piston pin excircle chamfers, and two fixing plates (4) which are symmetrically arranged up and down, wherein the piston pin positioning mechanism comprises an active rotating wheel (5) and a pair of passive rotating wheels (6), the active rotating wheel (5) and the passive rotating wheels (6) are mutually matched to clamp the piston pin (1), the passive rotating wheels (6) are arranged on a movable support (7), the movable support (7) is driven by a hydraulic cylinder (8), the upper rolling wheel (2) and the lower rolling wheel (3) are respectively controlled to work by two driving hydraulic cylinders (9), and the piston pin excircle chamfer rolling processing device is characterized in that a same rotating rod (10) is rotationally connected between the two fixing plates (4) through a ball bearing, the even fixedly connected with a plurality of fixed bolsters (11) of pole wall of bull stick (10), it is a plurality of rotate respectively through the pivot between the relative one side inner wall about fixed bolster (11) and be connected with initiative runner (5) that a plurality of sizes differ, the equal fixedly connected with retaining ring (12) of upper end lower extreme of initiative runner (5), the upper end fixedly connected with driving motor (13) of fixed bolster (11), the output shaft of driving motor (13) lower extreme run through the surface of fixed bolster (11) and with the upper end fixed connection of pivot.

2. The piston pin excircle chamfer rolling processing device according to claim 1, characterized in that, the upper and lower both ends of bull stick (10) all run through the surface of fixed plate (4) and fixedly connected with limiting plate (14), two lifting rings (15) have been cup jointed in the pole wall symmetry activity of bull stick (10), fixedly connected with same cover between the lateral wall of one side that lifting ring (15) and limiting plate (14) are opposite to establish extrusion spring (16) outside bull stick (10), the lateral wall fixedly connected with locating plate (17) of lifting ring (15), many locating levers (18) of lower extreme fixedly connected with of locating plate (17), the upper end of fixed plate (4) is seted up a plurality of constant head tanks (19) that correspond the grafting with locating lever (18).

3. The piston pin cylindrical chamfer roll finishing device of claim 1, characterized in that the rotating rod (10) and the lifting ring (15) are of corresponding polygonal structures.

4. The piston pin cylindrical chamfer roll finishing device of claim 2, characterized in that the rod wall of the locating rod (18) is wrapped with a layer of damping rubber pad.

5. The piston pin outer circle chamfering and rolling processing device according to claim 1, wherein the driving motor (13) is electrically connected with an external power supply through a control switch.