CN210616370U

CN210616370U - Semi-floating piston pin press-fitting mechanism

Info

Publication number: CN210616370U
Application number: CN201921511264.8U
Authority: CN
Inventors: 陈国建; 陶群
Original assignee: Hangzhou Shuangxiang Auto Parts Co Ltd
Current assignee: Hangzhou Shuangxiang Auto Parts Co Ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-05-26
Anticipated expiration: 2029-09-11

Abstract

The utility model belongs to the technical field of piston press mounting, in particular to a semi-floating piston pin press mounting mechanism, which comprises a supporting table, a supporting arm, a first electric push rod and a supporting plate, wherein the upper end of the supporting table is fixedly connected with a fixing device, the fixing device comprises a workbench, the workbench is fixedly connected with the upper surface of the supporting table, the upper surface of the workbench is provided with a placing groove, a piston is placed in the placing groove, a connecting rod is lapped in the piston, and the connecting rod and the surface of the piston are both provided with through holes; the utility model discloses, through setting up slider and spout for the fixed block that carries the stopper is carrying out the in-process that removes, under the cooperation of slider and spout, makes the fixed block that carries the stopper can directional removal, thereby has avoided the fixed block that carries the stopper to take place the skew at the in-process that removes.

Description

Semi-floating piston pin press-fitting mechanism

Technical Field

The utility model belongs to the technical field of the pressure equipment of piston pin, concretely relates to semi-floating piston pin pressure equipment mechanism.

Background

The engine piston pin and the connecting rod small head are matched in a full-floating connection mode and a semi-floating connection mode, wherein the semi-floating connection mode is that the piston pin and the connecting rod small head are fixed together, the piston pin and the connecting rod small head do not move relatively in the operation process of the engine, only the piston pin and the piston rotate relatively, the fixing method is that the piston pin and the piston are fastened by screws and press fit is performed by interference, wherein the interference press fit mode is widely applied to the press fit process of the piston pin of the engine of a car, a station wagon and a mini truck, the quality of the assembly quality of the structure is good, and the sealing performance and the service life of the working of an.

Most piston pins in the prior art can only be manually beaten by a copper hammer or assembled by a press-mounting machine, but the prior art or equipment has the problems of inaccurate positioning, high assembly difficulty, low yield and low production efficiency, and the following devices are provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a semi-floating piston pin pressure equipment mechanism has simple structure, the simple operation to make things convenient for people to carry out the characteristics of pressure equipment to the piston pin.

In order to achieve the above object, the utility model provides a following technical scheme: the semi-floating piston pin press-fitting mechanism comprises a supporting table, a supporting arm, a first electric push rod and a supporting plate, wherein the upper end of the supporting table is fixedly connected with a fixing device, the fixing device comprises a workbench, the workbench is fixedly connected to the upper surface of the supporting table, a placing groove is formed in the upper surface of the workbench, a piston is placed in the placing groove, a connecting rod is lapped in the piston, through holes are formed in the surfaces of the connecting rod and the piston, the upper end of the workbench is fixedly connected with a fixing table, a second electric push rod is fixedly connected to the side surface of the fixing table, the other end of the second electric push rod is fixedly connected with a fixing block, the fixing block is arc-shaped and is matched with the piston, the inner wall of the fixing block is lapped with the surface of the piston, a limiting block, the piston pin fixing device comprises a piston, a piston rod, a limiting block and two fixing blocks, wherein the two fixing blocks are symmetrically arranged on two sides of the piston, a piston pin body is clamped between the two limiting blocks, and the piston pin body is matched with the through hole.

Preferably, fixed block lower extreme fixedly connected with slider, the spout has been seted up to the workstation upper surface, slider sliding connection is in the spout, slider and spout respectively have two to the symmetry sets up at the workstation upper surface.

Preferably, the support arm is fixedly connected to the upper surface of the support table, the first electric push rod is fixedly connected to the lower end of the support arm, the support plate is fixedly connected to the other end of the first electric push rod, the side surface of the support plate is fixedly connected with a sliding sleeve, the lower surface of the support arm is fixedly connected with four sliding rods, and the four sliding rods are arranged at the lower end of the support arm in a rectangular shape.

Preferably, the surface of the supporting plate is fixedly connected with a stamping table, a telescopic groove is formed in the surface of the stamping table, a telescopic rod is fixedly connected to the inner wall of the telescopic groove, the other end of the telescopic rod is fixedly connected with a stamping block, the surface of the telescopic rod is sleeved with springs, the number of the telescopic rods is two, and the telescopic rods are symmetrically arranged on telescopic inner arms.

Preferably, an energy storage bin is arranged inside the supporting table, a storage battery is fixedly connected inside the energy storage bin, a control switch is fixedly connected to the front surface of the supporting table, four bases are fixedly connected to the bottom end of the supporting table, and the four bases are arranged at the bottom end of the supporting table in a rectangular shape.

Preferably, the storage battery is electrically connected with a control switch, and the control switch is electrically connected with the first electric push rod and the second electric push rod respectively.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model, through the arrangement of the sliding block and the sliding groove, the fixed block loaded with the limiting block can move directionally under the cooperation of the sliding block and the sliding groove in the moving process of the fixed block loaded with the limiting block, thereby avoiding the deviation of the fixed block loaded with the limiting block in the moving process, and under the action of the telescopic link and the spring, when people use the stamping block to stamp the piston pin body, under the cooperation of the telescopic link and the spring, when the stamping block contacts with the piston pin body, the generated impact force is buffered under the action of the spring and the telescopic link, avoiding the damage to the piston pin body caused by the overlarge impact force when the stamping block presses the piston pin body, improving the practicability of the device, under the action of the sliding rod and the sliding sleeve, people can control the first electric push rod to move, under the cooperation of slide bar and sliding sleeve for the backup pad that carries the ram-press piece can the directional removal, avoids the ram-press piece at the in-process that carries out the pressure equipment to the piston pin body, and the backup pad that carries the ram-press piece takes place the skew at the in-process that removes, under the effect of stopper, makes people at the in-process that advances line location to the piston pin body, under the mutually supporting of two stoppers, makes people when advancing line location to the piston pin body, more convenient.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 1;

fig. 4 is a front view of the fixing device of the present invention;

FIG. 5 is a schematic structural diagram of a side view section of the present invention;

FIG. 6 is a schematic diagram of the circuit system of the present invention;

in the figure: 1. a support table; 2. a support arm; 3. a first electric push rod; 4. a support plate; 5. a slide bar; 6. a sliding sleeve; 7. a punching stage; 8. a telescopic groove; 9. a telescopic rod; 10. a spring; 11. stamping the blocks; 12. a fixing device; 1201. a work table; 1202. a placement groove; 1203. a piston; 1204. a connecting rod; 1205. a fixed table; 1206. a second electric push rod; 1207. a fixed block; 1208. a limiting block; 1209. a chute; 1210. a slider; 1211. a piston pin body; 13. a control switch; 14. a base; 15. an energy storage bin; 16. and (4) a storage battery.

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.

Examples

Referring to fig. 1-6, the present invention provides the following technical solutions: the semi-floating piston pin press-fitting mechanism comprises a supporting table 1, a supporting arm 2, a first electric push rod 3 and a supporting plate 4, wherein a fixing device 12 is fixedly connected to the upper end of the supporting table 1, the fixing device 12 comprises a workbench 1201, the workbench 1201 is fixedly connected to the upper surface of the supporting table 1, a placing groove 1202 is formed in the upper surface of the workbench 1201, a piston 1203 is placed in the placing groove 1202, a connecting rod 1204 is lapped in the piston 1203, through holes are formed in the surfaces of the connecting rod 1204 and the piston 1203, a fixing table 1205 is fixedly connected to the upper end of the workbench 1201, a second electric push rod 1206 is fixedly connected to the side surface of the fixing table 1205, a fixing block 1207 is fixedly connected to the other end of the second electric push rod 1206, the fixing block 1207 is arc-shaped, the fixing block 1207 is matched with the piston 1203, and the inner wall of the, the side surfaces of the fixing blocks 1207 are fixedly connected with limiting blocks 1208, the limiting blocks 1208 are arc-shaped, the fixing blocks 1207 are two in number and are symmetrically arranged on two sides of the piston 1203, a piston pin body 1211 is clamped between the two limiting blocks 1208, and the piston pin body 1211 is matched with the through holes.

Specifically, a sliding block 1210 is fixedly connected to the lower end of the fixed block 1207, a sliding groove 1209 is formed in the upper surface of the workbench 1201, the sliding block 1210 is slidably connected to the sliding groove 1209, and by arranging the sliding block 1210 and the sliding groove 1209, in the moving process of the fixed block 1207 with the limiting block 1208, the fixed block 1207 with the limiting block 1208 can move directionally under the cooperation of the sliding block 1210 and the sliding groove 1209, so that the fixed block 1207 with the limiting block 1208 is prevented from shifting in the moving process, and the two sliding blocks 1210 and the two sliding grooves 1209 are symmetrically arranged on the upper surface of the workbench 1201.

Specifically, the support arm 2 is fixedly connected to the upper surface of the support table 1, the first electric push rod 3 is fixedly connected to the lower end of the support arm 2, the support plate 4 is fixedly connected to the other end of the first electric push rod 3, the sliding sleeve 6 is fixedly connected to the side surface of the support plate 4, under the action of the sliding rod 5 and the sliding sleeve 6, in the process of controlling the first electric push rod 3 to move, under the cooperation of the sliding rod 5 and the sliding sleeve 6, the support plate 4 carrying the stamping block 11 is enabled to move directionally, the situation that the support plate 4 carrying the stamping block 11 is offset in the moving process when the stamping block 11 presses the piston pin body 1211 is avoided, under the action of the limit blocks 1208, in the process of positioning the piston pin body 1211, under the cooperation of the two limit blocks 1208, when people position the piston pin body 1211, more convenient, 2 lower surface fixed connection of support arm has slide bar 5, slide bar 5 is total four to be the rectangle and arrange at 2 lower extremes of support arm.

Specifically, the lower surface of the supporting plate 4 is fixedly connected with a stamping platform 7, the surface of the stamping platform 7 is provided with a telescopic groove 8, the inner wall of the telescopic groove 8 is fixedly connected with a telescopic rod 9, the other end of the telescopic rod 9 is fixedly connected with a stamping block 11, the surface of the telescopic rod 9 is sleeved with a spring 10, under the action of the telescopic rod 9 and the spring 10, when people use the stamping block 11 to stamp the piston pin body 1211, under the matching of the telescopic rod 9 and the spring 10, when the stamping block 11 is contacted with the piston pin body 1211, the generated impact force is buffered under the action of the spring 10 and the telescopic rod 9, the stamping block 11 is prevented from being damaged to the piston pin body 1211 due to overlarge impact force when the piston pin body 1211 is subjected to press mounting, the practicability of the device is improved, the number of the telescopic rods 9 is two, and the telescopic rods are symmetrically arranged in the inner arms of the telescopic grooves 8.

Specifically, an energy storage bin 15 has been seted up to brace table 1 is inside, the inside fixedly connected with battery 16 in energy storage bin 15, the positive fixedly connected with control switch 13 of brace table 1, brace table 1 bottom fixedly connected with base 14, base 14 is total four to be the rectangle and arrange in brace table 1 bottom.

Preferably, the battery 16 is electrically connected to a control switch 13, and the control switch 13 is electrically connected to the first electric push rod 3 and the second electric push rod 1206 respectively

The utility model discloses a theory of operation and use flow: the utility model discloses, when using, at first remove the device to suitable position, then place piston 1203 and the connecting rod arranged in standing groove 1202, then control second electric putter 1206 extension through control switch 13, make second electric putter 1206 can promote fixed block 1207 and be close to piston 1203, after two sets of fixed blocks 1207 carried out the joint with piston 1203, people will need to carry out the piston pin body 1211 of using and place in the recess that two sets of stopper 1208 formed, then control first electric putter 3 extension through control switch 13, make the backup pad 4 who carries stamping block 11 to move down, thereby make stamping block 11 carry out the pressure equipment with piston pin body 1211, after people put piston pin body 1211 into the through-hole in the pressure, people control first electric putter 3 through control switch 13 and shrink, make the backup pad 4 who carries stamping block 11 to rise, then, the user controls the second electric push rod 1206 to contract through the control switch 13, so that the fixing block 1207 can be separated from the piston 1203, and then the user takes out the processed piston 1203.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Semi-floating piston pin pressure equipment mechanism, including brace table (1), support arm (2), first electric putter (3) and backup pad (4), its characterized in that: the upper end of the supporting table (1) is fixedly connected with a fixing device (12), the fixing device (12) comprises a workbench (1201), the workbench (1201) is fixedly connected to the upper surface of the supporting table (1), a placing groove (1202) is formed in the upper surface of the workbench (1201), a piston (1203) is placed in the placing groove (1202), a connecting rod (1204) is lapped in the piston (1203), through holes are formed in the surfaces of the connecting rod (1204) and the piston (1203), the upper end of the workbench (1201) is fixedly connected with a fixing table (1205), a second electric push rod (1206) is fixedly connected to the side surface of the fixing table (1205), a fixing block (1207) is fixedly connected to the other end of the second electric push rod (1206), the fixing block (1207) is arc-shaped, the fixing block (1207) is matched with the piston (1203), and the inner wall of the fixing block (1207) is lapped with the surface of the piston (1203), the side face of the fixing block (1207) is fixedly connected with a limiting block (1208), the limiting block (1208) is arc-shaped, the fixing blocks (1207) are two in total and are symmetrically arranged on two sides of a piston (1203), a piston pin body (1211) is clamped between the limiting blocks (1208), and the piston pin body (1211) is matched with the through hole.

2. The semi-floating piston pin press-fit mechanism of claim 1, characterized in that: the lower end of the fixed block (1207) is fixedly connected with a sliding block (1210), the upper surface of the workbench (1201) is provided with a sliding groove (1209), the sliding block (1210) is connected in the sliding groove (1209) in a sliding mode, and the sliding block (1210) and the sliding groove (1209) are respectively provided with two sliding blocks and symmetrically arranged on the upper surface of the workbench (1201).

3. The semi-floating piston pin press-fit mechanism of claim 1, characterized in that: support arm (2) fixed connection is at a supporting bench (1) upper surface, first electric putter (3) fixed connection is at support arm (2) lower extreme, backup pad (4) fixed connection is at the other end of first electric putter (3), backup pad (4) side fixedly connected with sliding sleeve (6), support arm (2) lower fixed surface is connected with slide bar (5), slide bar (5) are total four to be the rectangle and arrange at support arm (2) lower extreme.

4. The semi-floating piston pin press-fit mechanism of claim 1, characterized in that: fixed surface is connected with punching press platform (7) under backup pad (4), flexible groove (8) have been seted up on punching press platform (7) surface, flexible groove (8) inner wall fixedly connected with telescopic link (9), telescopic link (9) other end fixedly connected with punching press piece (11), spring (10) have been cup jointed on telescopic link (9) surface, telescopic link (9) are total two to the symmetry sets up at flexible groove (8) inner arm.

5. The semi-floating piston pin press-fit mechanism of claim 1, characterized in that: energy storage bin (15) have been seted up to brace table (1) inside, the inside fixedly connected with battery (16) in energy storage bin (15), the positive fixedly connected with control switch (13) of brace table (1), brace table (1) bottom fixedly connected with base (14), base (14) are total four to be the rectangle and arrange in brace table (1) bottom.