CN217728114U

CN217728114U - Positioner is used in piston pin processing

Info

Publication number: CN217728114U
Application number: CN202221619111.7U
Authority: CN
Inventors: 谭伟
Original assignee: Weifang Tiandun Machinery Co ltd
Current assignee: Weifang Tiandun Machinery Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-11-04
Anticipated expiration: 2032-06-27

Abstract

The utility model relates to the technical field of piston pin processing, in particular to a positioning device for piston pin processing, which comprises a supporting platform, wherein the middle part of the upper surface of the supporting platform is fixedly connected with a supporting disk, the middle part of the supporting disk is provided with a round hole, a fixing component is arranged in the round hole, the upper surface of the supporting platform is fixedly connected with a polishing component, and the polishing component is positioned outside the supporting disk; the fixed component comprises a first motor, an output end of the first motor is fixedly connected with a fixed supporting cylinder, the fixed supporting cylinder penetrates through a round hole in the middle of the supporting disc, and an annular gap is reserved between the outer side wall of the fixed supporting cylinder and the hole wall of the round hole. The utility model provides a positioner is used in piston pin processing supports the location of tight realization to the piston pin through the inner wall of the friction disc that a fixed stay section of thick bamboo set up and piston pin, and convenient operation can not cause the harm to the outer wall of piston pin, is applicable to the piston pin location of different diameters moreover.

Description

Positioner is used in piston pin processing

Technical Field

The utility model relates to a piston pin processing technology field especially relates to a positioner is used in piston pin processing.

Background

The piston pin is a cylindrical pin mounted on the skirt of the piston, whose middle part passes through the small end hole of the connecting rod for connecting the piston and the connecting rod, and its function is to transmit the gas force borne by the piston to the connecting rod or make the small end of the connecting rod drive the piston to move together.

In-service use, as shown in fig. 4, piston 2 is connected through piston pin 1 with connecting rod 3, the piston shaft need polish the smooth piston pin's of being convenient for insertion use of surface in process of production, specifically use the fixing device centre gripping to fix the piston pin so that insert, this fixing method leaves the clamp seal at the piston pin outer wall easily, influence the smoothness of piston pin outer wall, because piston pin inside is mostly cavity setting, the too big phenomenon that still appears the centre gripping deformation easily of centre gripping dynamics, cause the damage of piston pin.

SUMMERY OF THE UTILITY MODEL

To the problem among the prior art, the utility model aims to overcome above-mentioned prior art not enough and provide a positioner is used in piston pin processing.

The utility model provides a technical scheme that its technical problem adopted is:

a positioning device for piston pin machining comprises a supporting platform, wherein the middle of the upper surface of the supporting platform is fixedly connected with a supporting plate, the middle of the supporting plate is provided with a round hole, a fixing component is arranged in the round hole, the upper surface of the supporting platform is fixedly connected with a polishing component, and the polishing component is positioned on the outer side of the supporting plate;

the fixing component comprises a first motor, the output end of the first motor is fixedly connected with a fixing and supporting cylinder, the fixing and supporting cylinder penetrates through a round hole in the middle of the supporting disc, and an annular gap is reserved between the outer side wall of the fixing and supporting cylinder and the hole wall of the round hole.

As a further improvement, the outer side wall of the fixed supporting cylinder is provided with more than three side accommodating grooves, the side accommodating grooves are located above the supporting disc, a tightly abutting telescopic rod is fixedly connected in each side accommodating groove, and a friction plate is fixedly connected to the telescopic end of the tightly abutting telescopic rod.

As a further improvement, the connecting part of the outer side wall and the top surface of the friction plate is in a smooth arc shape.

As a further improvement, the polishing assembly comprises an upper reciprocating push rod and a lower reciprocating push rod, the telescopic end of the upper reciprocating push rod and the lower reciprocating push rod is fixedly connected with a connector, the connector is close to one side of the supporting disk and is fixedly connected with an electric control telescopic rod, the electric control telescopic rod is connected with a polishing stone, and the end part of the polishing stone is arc-shaped.

As a further improvement, both sides of the supporting platform are fixedly connected with side fans.

Due to the adoption of the technical scheme, the beneficial effects of the utility model are that:

the utility model provides a positioner is used in piston pin processing, the friction disc that sets up through a fixed stay section of thick bamboo is in to the location of tight state realization to the piston pin with the inner wall of piston pin, and convenient and fast can not cause the harm to the outer wall of piston pin 1, can carry out the piston pin of different diameters moreover and fix, has still improved the device's application scope simultaneously.

Realize polishing to the piston pin outer wall at a fixed stay section of thick bamboo pivoted in-process, the reciprocal up-and-down motion of flexible end of reciprocal push rod about the control, the flexible end of reciprocal push rod promotes connector up-and-down motion about this moment, and the connector drives the stone synchronous motion of polishing through automatically controlled telescopic link, and the stone of polishing can increase the area of polishing at the in-process of up-and-down motion, has improved the efficiency of polishing.

The side fan is opened in the polishing process, powder polished on the outer wall of the piston pin can be blown off, the powder is prevented from being attached to the outer wall of the piston pin, and polishing operation on the piston pin is facilitated.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a fixing assembly according to an embodiment of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 1;

FIG. 4 is a schematic view of the connection of the piston pin, piston and connecting rod;

reference numerals are as follows:

1. a piston pin; 2. a piston; 3. a connecting rod; 4. a support platform; 5. a side fan; 6. a fixing assembly; 7. a side receiving groove; 8. tightly abutting against the telescopic rod; 9. a friction plate; 10. a first motor; 11. a push rod reciprocates up and down; 12. a connector; 13. an electric control telescopic rod; 14. grinding stone; 15. a support disc; 16. a fixed support cylinder; 17. and a grinding component.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further described below with reference to the following embodiments.

It will be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 according to specific situations by those of ordinary skill in the art.

As shown in figures 1-4 together, a positioner is used in piston pin processing, including supporting platform 4, supporting platform 4 plays the support mounting effect, supporting platform 4's upper surface middle part fixedly connected with supporting disk 15, the middle part of supporting disk 15 is provided with the round hole, be provided with fixed subassembly 6 in the round hole, fixed subassembly 6 is used for fixed piston pin 1, supporting platform 4 upper surface fixedly connected with subassembly 17 of polishing, the subassembly 17 of polishing is located the supporting disk 15 outside, can polish the operation to the outer wall of piston pin 1.

Specifically, the fixed component 6 includes a first motor 10, an output end fixedly connected with fixed support section of thick bamboo 16 of first motor 10, a fixed support section of thick bamboo 16 is used for fixed piston pin 1, a fixed support section of thick bamboo 16 runs through the round hole at supporting disk 15 middle part, leave annular clearance between the pore wall of the lateral wall of a fixed support section of thick bamboo 16 and round hole, make a fixed support section of thick bamboo and supporting disk free rotation relatively, in-service use for making a fixed support section of thick bamboo rotate steadily, can set up bearing isotructure between a fixed support section of thick bamboo and supporting disk, make a fixed support section of thick bamboo and supporting disk normal running fit.

In this embodiment, the lateral wall of the fixed supporting cylinder 16 is provided with more than three side accommodating grooves 7, the side accommodating grooves 7 are located above the supporting plate 15, the side accommodating grooves 7 are internally and fixedly connected with abutting telescopic rods 8, abutting telescopic ends of the telescopic rods 8 are fixedly connected with friction plates 9, when the device is used, the piston pin 1 is sleeved outside the fixed supporting cylinder 16, when the bottom of the piston pin 1 is close to the upper end surface of the supporting plate 15, the control abuts against the extension of the telescopic rods 8, the abutting telescopic rods 8 synchronously push the friction plates 9 to be pushed out from the side accommodating grooves 7 in the extension process, the friction plates 9 are abutted against the inner wall of the piston pin 1, the fixation of the piston pin 1 is realized, the device is convenient and rapid, meanwhile, the device can position the piston pins 1 with different diameters, and the application range of the device is improved.

In this embodiment, the connecting portion between the outer sidewall and the top surface of the friction plate 9 is in a smooth arc shape, so that the piston pin 1 can be conveniently sleeved into the fixed support cylinder 16.

In this embodiment, the subassembly 17 of polishing includes reciprocal push rod 11 from top to bottom, and the flexible end fixedly connected with connector 12 of reciprocal push rod 11 from top to bottom, and connector 12 is close to one side fixedly connected with electric control telescopic link 13 of supporting disk 15, and electric control telescopic link 13 is connected with grindstone 14, and the tip of grindstone 14 is the arc setting, and reciprocal push rod 11 from top to bottom can drive grindstone 14 and reciprocate, is convenient for polish piston pin 1 outer wall.

In this embodiment, the equal fixedly connected with side fan 5 in supporting platform 4's both sides opens side fan 5 at the in-process of polishing, can blow off the powder that piston pin 1 outer wall was polished, avoids the powder to adhere to at piston pin 1's outer wall, is favorable to the operation of polishing to piston pin 1.

The working principle of the embodiment is as follows:

firstly, the piston pin 1 is sleeved on the outer side of the fixed supporting cylinder 16, when the bottom of the piston pin 1 is close to the upper end of the supporting plate 15, the stretching rod 8 is controlled to stretch tightly, the friction plate 9 is pushed out from the side accommodating groove 7, the friction plate 9 is tightly propped against the inner wall of the piston pin 1, the piston pin 1 is fixed, and the piston pins 1 with different diameters can be fixed.

Open

first motor

10, 16 rotations of drive fixed stay section of thick bamboo, thereby drive gudgeon pin 1 and rotate, the automatically controlled telescopic link of control 13 extension this moment, make 14 tip of polishing stone and the outer wall contact of gudgeon pin 1, the realization is to polishing of gudgeon pin 1 outer wall, reciprocal push rod 11 up-and-down motion about the control, drive 14 synchronous motion of polishing stone, increase the area of polishing, open side fan 5 in the in-process of polishing, can blow off the powder of polishing, avoid the powder to adhere to the outer wall at gudgeon pin 1.

The utility model provides a positioner is used in piston pin processing supports the location of tightly realizing piston pin 1 through the inner wall of friction disc 9 that a fixed stay section of thick bamboo 16 set up and piston pin 1, and convenient operation can not cause the harm to the outer wall of piston pin 1, is applicable to the piston pin 1 location of different diameters moreover.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the description in the above embodiments and the specification is only for illustrating the principles of the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The positioning device for piston pin machining comprises a supporting platform and is characterized in that a supporting plate is fixedly connected to the middle of the upper surface of the supporting platform, a round hole is formed in the middle of the supporting plate, a fixing assembly is arranged in the round hole, a polishing assembly is fixedly connected to the upper surface of the supporting platform, and the polishing assembly is located on the outer side of the supporting plate;

2. The positioning device for piston pin machining according to claim 1, wherein the outer side wall of the fixed support cylinder is provided with more than three side accommodating grooves, the side accommodating grooves are located above the support plate, a tightening telescopic rod is fixedly connected in each side accommodating groove, and a friction plate is fixedly connected to the telescopic end of each tightening telescopic rod.

3. The positioning device for processing the piston pin as claimed in claim 2, wherein the connecting portion of the outer side wall and the top surface of the friction plate is smoothly arc-shaped.

4. The positioning device for piston pin machining according to claim 3, wherein the grinding assembly comprises an up-and-down reciprocating push rod, a connector is fixedly connected to the telescopic end of the up-and-down reciprocating push rod, an electric control telescopic rod is fixedly connected to one side, close to the supporting disk, of the connector, a grinding stone is connected to the electric control telescopic rod, and the end portion of the grinding stone is arranged in an arc shape.

5. The positioning device for piston pin machining according to claim 1, wherein a side fan is fixedly connected to each of two sides of the supporting platform.