CN212497516U

CN212497516U - Piston pin mounting device

Info

Publication number: CN212497516U
Application number: CN202021217389.2U
Authority: CN
Inventors: 陈晓文
Original assignee: Anhui Gauss Auto Parts Co ltd
Current assignee: Anhui Gauss Auto Parts Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-02-09
Anticipated expiration: 2030-06-28

Abstract

The utility model discloses a piston pin installation device, which comprises a base, wherein a fixed ring which slides along the length direction of the base and is used for positioning a piston is arranged in the middle of the upper surface of the base, and a first compression frame and a second compression frame which are symmetrically arranged and can slide are respectively arranged at the two ends of the base; the side walls of the first pressing frame and the second pressing frame, which are close to one side of the fixed ring, are respectively provided with a resisting pin, and the resisting pins are tightly resisted on planes at two sides of the piston; a pushing device used for pushing the piston pin to the interior of the piston is installed in the first compression frame; and a positioning pin is arranged on the side wall of the second pressing frame on one side of the abutting pin. The utility model can tightly support the piston between the first and the second compression frames, the positioning is more accurate, and the installation precision is improved; the pushing device of the device can horizontally push the piston pin into the mounting hole inside the piston, the piston pin and the mounting hole are accurately positioned, and scratches are not easy to occur.

Description

Piston pin mounting device

Technical Field

The utility model belongs to the technical field of the piston, concretely relates to piston pin installation device.

Background

The wrist pin is a cylindrical pin mounted on the skirt of the piston. The middle part of the piston passes through a small end hole of a connecting rod and is used for connecting the piston and the connecting rod, the function of the piston is to transmit the gas acting force born by the piston to the connecting rod or enable the small end of the connecting rod to drive the piston to move together, planes for positioning are arranged on two sides of the piston and are mutually vertical to a mounting hole inside the piston, when the connecting rod and the piston are mounted, a piston pin needs to be inserted into the mounting hole and the small end hole of the connecting rod, the common mounting method is manual mounting, time and labor are wasted, scratches easily appear in the mounting process, and therefore, a piston pin mounting device capable of solving the problems is urgently needed.

SUMMERY OF THE UTILITY MODEL

To the problem that above-mentioned prior art exists, the utility model provides a piston pin installation device can realize simple to operate, improves installation work efficiency's piston pin installation device.

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

a piston pin mounting device comprises a base, wherein a fixing ring which slides along the length direction of the base and is used for positioning a piston is mounted in the middle of the upper surface of the base, and a first compression frame and a second compression frame which are symmetrically arranged and can slide are mounted at two ends of the base respectively;

the side walls of the first pressing frame and the second pressing frame, which are close to one side of the fixed ring, are provided with abutting pins, and the abutting pins abut against the planes on the two sides of the piston; a pushing device used for pushing the piston pin to the interior of the piston is installed in the first compression frame; and a positioning pin is arranged on the side wall of the second pressing frame on one side of the abutting pin.

Preferably, slide rails arranged along the length direction of the base are installed on the side walls of the two sides of the base, slide blocks are installed on the two sides of the first pressing frame and the two sides of the second pressing frame, and the slide blocks are installed on the slide rails in a sliding mode.

Preferably, the inside of base is seted up and is arranged, the upper end is equipped with the open-ended slide along base length direction, the inside rotation of slide installs drive screw, the one end of base is installed and is used for drive screw pivoted motor, the first bottom that compresses tightly frame and second compress tightly the frame is equipped with respectively and meshes connecting screw hole with drive screw both ends, drive screw's both ends screw thread opposite direction.

Preferably, a plurality of sliding pins are installed on two sides of the fixing ring, a fixing seat matched with the sliding pins is installed on the upper surface of the base, and the sliding pins penetrate through the corresponding fixing seats.

Preferably, the pushing device comprises a storage barrel horizontally and fixedly installed in the middle of a first compression frame, the inner diameter of the storage barrel is the same as the diameter of a piston pin, one end of the storage barrel extends to the outer side of the first compression frame, the axis of the storage barrel is the same as the axis of a positioning pin, a feeding port is formed in the upper end, located on the outer side of the first compression frame, of the storage barrel, a folding frame is installed on the outer side of the first compression frame, a compression screw is connected to the inner meshing of the folding frame, a compression plate is rotatably installed at one end, close to the storage barrel, of the compression screw, and the compression plate abuts against one end of the storage barrel.

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

(1) the utility model discloses a retainer plate, first compress tightly the frame and can slide with the second compress tightly the frame, and first compress tightly the frame with the second compress tightly the frame symmetrical arrangement on the base, realized can support the piston tightly between first compress tightly the frame and the second compress tightly the frame, fix a position more accurately, improve the installation accuracy;

(2) the utility model discloses a storage section of thick bamboo of arranging at the internally mounted level of the first frame that compresses tightly, the first shelf location blevile of push that compresses tightly has realized in the blevile of push of this device can with piston pin level propelling movement to piston internally mounted hole, and the piston pin is accurate with the mounting hole location, is difficult for appearing the mar.

Drawings

Fig. 1 is a schematic structural view of the clamping state of the present invention;

fig. 2 is a schematic structural view of the pressing frame of the present invention in an open state;

fig. 3 is a cross-sectional view of the present invention in fig. 1;

fig. 4 is a partial sectional view of the pushing device of the present invention.

Description of reference numerals:

1. the base, 2, first compress tightly the frame, 3, the retainer plate, 4, piston, 5, the second compresses tightly the frame, 6, pan feeding mouth, 7, the book shape frame, 8, compression screw, 9, slide, 10, slide rail, 11, slider, 12, sliding pin, 13, fixing base, 14, offset, 15, locating pin, 16, pressure strip, 17, storage barrel, 18, drive screw.

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.

As shown in fig. 1 to 4, a piston pin mounting device comprises a base 1, wherein a fixing ring 3 which slides along the length direction of the base 1 and is used for positioning a piston 4 is installed in the middle of the upper surface of the base 1, a plurality of sliding pins 12 are installed on both sides of the fixing ring 3, a fixing seat 13 which is matched with the sliding pins 12 is installed on the upper surface of the base 1, the sliding pins 12 penetrate through the corresponding fixing seat 13, the lower end of the piston 4 can be inserted into the fixing ring 3 and rotates in the fixing ring 3, the fixing ring 3 can slide on the base 1, the fixing seat 13 and the sliding pins 12 are used for supporting the fixing ring 3, a first compression frame 2 and a second compression frame 5 which are symmetrically arranged and can slide are installed at both ends of the base 1, slide rails 10 which are arranged along the length direction of the base 1 are installed on the side walls on both sides of the base 1, slide blocks 11 are installed on both sides of the first compression frame 2 and the second compression, the sliding block 11 is slidably mounted on a sliding rail 10, so that the first compression frame 2 and the second compression frame 5 are ensured to slide on the base 1, a slideway 9 which is arranged along the length direction of the base 1 and is provided with a feeding port 16 at the upper end is formed in the base 1, a piston pin can be placed into the slideway 9 from the feeding port, the piston pin can slide in the slideway 9, a driving screw 18 is rotatably mounted in the slideway 9, a motor for driving the screw 18 to rotate is mounted at one end of the base 1, threaded holes which are meshed with two ends of the driving screw 18 are respectively formed in the bottoms of the first compression frame 2 and the second compression frame 5, the thread directions of two ends of the driving screw 18 are opposite, and the driving screw 18 can simultaneously and synchronously drive the first compression frame 2 and the second compression frame 5 to slide inwards or outwards;

the side walls of the first pressing frame 2 and the second pressing frame 5, which are close to the fixed ring 3, are provided with the abutting pins 14, the abutting pins 14 abut against planes on two sides of the piston 4, the planes on the two sides can be used for positioning the piston 4, and the piston 4 is ensured to be arranged between the first pressing frame 2 and the second pressing frame 5; a pushing device used for pushing a piston pin to the inside of the piston 4 is installed inside the first pressing frame 2, the pushing device comprises a material storage cylinder 17 horizontally and fixedly installed in the middle of the first pressing frame 2, the inner diameter of the material storage cylinder 17 is the same as the diameter of the piston pin, one end of the material storage cylinder 17 extends to the outer side of the first pressing frame 2, the axis of the material storage cylinder 17 is the same as the axis of the positioning pin 15, a material inlet 6 is formed in the upper end, located on the outer side of the first pressing frame 2, of the material storage cylinder 17, a folding frame 7 is installed on the outer side of the first pressing frame 2, the folding frame 7 is connected with a pressing screw rod 8 in an engaged mode, a pressing plate 16 is rotatably installed at one end, close to the material storage cylinder 17, of the pressing plate 16 abuts against one end of the material storage cylinder 17; and a positioning pin 15 is arranged on the side wall of the second pressing frame 5 on one side of the abutting pin 14, the positioning pin 15 plays a positioning role, and one end of the abutting pin 14 abuts against the end surface of the positioning pin 15.

During the use, install the lower extreme of piston 4 in the inside of retainer plate 3 and through artifical alignment, the motor drives drive screw 18 and rotates, drive screw 18 drives first pressure frame 2 and second pressure frame 5 and inwards slides simultaneously at the pivoted in-process, the offset 14 on first pressure frame 2 and the second pressure frame 5 supports tightly on the plane of piston 4 both sides respectively, put into piston pin from pan feeding mouth 6 that the storage cylinder 17 was seted up, after putting into, twist and press the screw 8, press the screw 8 and drive pressure strip 16 and inwards slide, pressure strip 16 inwards promotes the piston pin, the piston pin passes the mounting hole on piston 4 and the microcephaly hole on the connecting rod, can install the connecting rod on piston 4, this device location is accurate, save installation time and improve work efficiency.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A piston pin installation device, its characterized in that: the device comprises a base (1), wherein a fixing ring (3) which slides along the length direction of the base (1) and is used for positioning a piston (4) is arranged in the middle of the upper surface of the base (1), and a first compression frame (2) and a second compression frame (5) which are symmetrically arranged and can slide are respectively arranged at two ends of the base (1);

the side walls of the first pressing frame (2) and the second pressing frame (5) close to one side of the fixing ring (3) are respectively provided with a resisting pin (14), and the resisting pins (14) are tightly contacted with the planes on the two sides of the piston (4); a pushing device used for pushing a piston pin to the interior of the piston (4) is installed in the first pressing frame (2); and a positioning pin (15) is arranged on the side wall of the second pressing frame (5) on one side of the abutting pin (14).

2. The piston pin mounting device is characterized in that sliding rails (10) arranged along the length direction of the base (1) are mounted on the side walls of the two sides of the base (1), sliding blocks (11) are mounted on the two sides of the first pressing frame (2) and the second pressing frame (5), and the sliding blocks (11) are slidably mounted on the sliding rails (10).

3. The piston pin mounting device according to claim 2, wherein a slide way (9) arranged along the length direction of the base (1) and provided with an opening at the upper end is arranged in the base (1), a driving screw (18) is rotatably mounted in the slide way (9), a motor for driving the rotation of the driving screw (18) is mounted at one end of the base (1), threaded holes in threaded connection with the two ends of the driving screw (18) are respectively formed in the bottoms of the first pressing frame (2) and the second pressing frame (5), and the thread directions of the two ends of the driving screw (18) are opposite.

4. A piston pin mounting device according to claim 3, wherein a plurality of sliding pins (12) are mounted on both sides of the fixing ring (3), a fixing seat (13) matched with the sliding pins (12) is mounted on the upper surface of the base (1), and the sliding pins (12) penetrate through the corresponding fixing seats (13).

5. A piston pin mounting arrangement according to claim 4, wherein the pushing arrangement comprises a magazine (17) which is mounted horizontally stationary in the middle of the first hold-down frame (2), the inner diameter of the storage cylinder (17) is the same as the diameter of the piston pin, one end of the storage cylinder (17) extends to the outer side of the first pressing frame (2), the axis of the storage barrel (17) is the same as the axis of the positioning pin (15), the upper end of the storage barrel (17) positioned at the outer side of the first pressing frame (2) is provided with a feeding port (6), a folded frame (7) is arranged on the outer side of the first pressing frame (2), a pressing screw rod (8) is meshed and connected with the inside of the folded frame (7), and a pressing plate (16) is rotatably arranged at one end, close to the material storage barrel (17), of the pressing screw rod (8), and the pressing plate (16) abuts against one end of the material storage barrel (17).