CN109822022B

CN109822022B - Production system for piston ring groove of brake caliper

Info

Publication number: CN109822022B
Application number: CN201910047357.8A
Authority: CN
Inventors: 郑忠平
Original assignee: Chongqing Enterui Technology Co ltd
Current assignee: Chongqing Enterui Technology Co ltd
Priority date: 2019-01-18
Filing date: 2019-01-18
Publication date: 2020-05-08
Anticipated expiration: 2039-01-18
Also published as: CN109822022A

Abstract

The invention provides a production system of a brake caliper piston ring groove, which comprises: the neck ring extruding device comprises a conveying device, a rotary clamping device, a neck ring supporting device and a neck ring extruding device; the output end of the conveying device is communicated to the rotary clamping device, and the rotary clamping device is used for clamping the end part of the circular ring body, far away from the neck ring, and then driving the circular ring body to rotate; the neck ring supporting device and the neck ring extruding device are respectively positioned at two sides of the rotary clamping device, the neck ring supporting device is used for supporting the end part of the circular ring body which is not clamped by the rotary clamping device, and the neck ring extruding device is used for extruding the neck ring on the end part of the circular ring body which is not clamped by the rotary clamping device. Brake calliper piston ring groove production system adopts cutting formula production piston and leads to the extravagant material of processing and the problem of inefficiency among the prior art.

Description

Production system for piston ring groove of brake caliper

Technical Field

The invention relates to equipment for piston production, in particular to a brake caliper piston ring groove production system.

Background

The piston comprises a ring body and a neck ring, the ring body is of a ring structure, the ring body is inwards sunken to form the neck ring, the neck ring is an annular groove at the outer surface of the ring body, and the neck ring is a convex annular convex part at the inner surface of the ring body.

In order to realize the production of the piston, in the prior art, the production steps include: step one, storing a casting material; step two, preparing a casting mold, heating a casting material, injecting the casting material into the casting mold, and casting and molding a half of the piston split along a section plane which is parallel to the center line by using the casting mold to obtain a half of the piston, wherein the neck ring is protruded from the inner wall of the ring body, so that half of the piston is required to be produced for demolding; step three, buckling the two half pistons together; and step four, welding the two half pistons together. Although the production of pistons with neck rings can be achieved, there are the following disadvantages:

because whole piston is two half piston weldings together, two half piston weldings need be guaranteed when being in the same place that two half piston are connected closely, avoid having the gap between two half pistons, lead to whole piston quality lower, half piston of half piston adopts the mould to cast out simultaneously, carries out two half piston weldings together again, leads to whole production efficiency lower.

Disclosure of Invention

The invention provides a production system of a brake caliper piston ring groove, which solves the problem that in the prior art, half pistons are cast by a mold and then the two half pistons are welded together, so that the production efficiency of the pistons is low, and simultaneously solves the problems that in the prior art, the pistons are produced in a cutting mode, so that the material is wasted in processing and the efficiency is low.

In order to achieve the purpose, the invention adopts the following technical scheme:

a brake caliper piston ring groove production system comprising: the neck ring extruding device comprises a conveying device, a rotary clamping device, a neck ring supporting device and a neck ring extruding device; the output end of the conveying device is communicated to the rotary clamping device, and the rotary clamping device is used for clamping the end part of the circular ring body, far away from the neck ring, and then driving the circular ring body to rotate; the neck ring supporting device and the neck ring extruding device are respectively positioned at two sides of the rotary clamping device, the neck ring supporting device is used for supporting the end part of the circular ring body which is not clamped by the rotary clamping device, and the neck ring extruding device is used for extruding the neck ring on the end part of the circular ring body which is not clamped by the rotary clamping device.

Compared with the prior art, the invention has the following beneficial effects:

1) the conveying device conveys the ring body to the rotary clamping device, the rotary clamping device clamps the ring body, the neck ring supporting device supports the ring body, the rotary clamping device rotates the clamped ring body, the neck ring extruding device extrudes the ring body, and the neck ring supporting device supports the ring body, so that the deformation of the ring body caused by overlarge extrusion pressure of the neck ring extruding device is avoided. Realized once only through casting mould with the ring body casting shaping of ring structure, avoided needing half piston production and lead to production efficiency low, improved production efficiency, directly put into the ring body of ring structure to brake calliper piston ring groove production system behind the ring body shaping, directly through extrusion ring body and shaping neck ring to obtain final piston product.

2) In the prior art, there is also a method for producing a piston by cutting, comprising the steps of: firstly, producing a circular ring body with a circular ring structure; step two, cutting the outer wall of one end of the ring body to enable the outer wall of the ring body to be sunken to form a neck ring, but in order to cut the neck ring, a plurality of cutters are needed to cut, so that the production efficiency is low, meanwhile, the material cut off in the cutting process is wasted, meanwhile, the thickness of the material reserved in the cut neck ring is guaranteed, the strength of the ring body is guaranteed, and therefore the whole ring body is thick in production. The extrusion form of the application does not need to make the circular ring body thick, reduces the waste of materials, and simultaneously avoids the problem that a plurality of cutters are cut to cause low production efficiency and improves the production efficiency.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a top plan view of a brake caliper piston ring groove production system;

FIG. 2 is a schematic view of a brake caliper piston ring groove production system after being cut away from the right;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a cross-sectional view of the mounting plate of fig. 3.

Reference numerals: the device comprises a conveying device 1, a conveying chute 10, a guide cylinder 11, a third air cylinder 12, a pushing plate 13, a blocking plate 14, a support table 15, a guide groove body 16, a rotary clamping device 2, a second motor 20, a rotary seat 21, a fourth air cylinder 22, a lifting seat 23, an extrusion rod 24, a first spring 25, a guide rod 26, a mounting plate 27, an inclined plate 28, a clamping arm 29, a second spring 30, a neck ring supporting device 3, a second air cylinder 31, a second mounting plate 32, a support plate 33, a neck ring extruding device 4, a first air cylinder 40, a first mounting plate 41, a first motor 42, an extrusion plate 43 and a ring body 5.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the functions of the invention clearer and easier to understand, the invention is further explained by combining the drawings and the detailed implementation mode:

as shown in fig. 1 to 4, the present embodiment proposes a brake caliper piston ring groove production system, including: a conveying device 1, a rotary clamping device 2, a neck ring supporting device 3 and a neck ring extruding device 4; the output end of the conveying device 1 is communicated to the rotary clamping device 2, and the rotary clamping device 2 is used for clamping the end part, far away from the neck ring, of the circular ring body 5 and then driving the circular ring body 5 to rotate; the neck ring supporting device 3 and the neck ring extruding device 4 are respectively arranged at two sides of the rotary clamping device 2, the neck ring supporting device 3 is used for supporting the end part of the circular ring body 5 which is not clamped by the rotary clamping device 2, and the neck ring extruding device 4 is used for extruding the neck ring on the end part of the circular ring body 5 which is not clamped by the rotary clamping device 2.

In order to design the neck ring extruding device 4 with simple structure, the rotating extruding disc 43 extrudes the wall of the circular ring body 5 to be sunken towards the center to form the neck ring, and the neck ring extruding device 4 comprises: the device comprises a first air cylinder 40, a first mounting plate 41, a first motor 42 and a squeezing disc 43, wherein the first air cylinder 40 is mounted beside the rotary clamping device 2, the stretching direction of the first air cylinder 40 is perpendicular to the output direction of the conveying device 1, a piston rod of the first air cylinder 40 is connected to the mounting plate, the first motor 42 is mounted on the mounting plate, a rotating shaft of the first motor 42 is fixed to the center of the squeezing disc 43, the first motor 42 is used for driving the squeezing disc 43 to rotate, the squeezing disc 43 is perpendicular to the center line of a piston clamped by the rotary clamping device 2, and the squeezing disc 43 is used for squeezing the piston out of a neck ring.

In order to design the neck ring supporting device 3 with a simple structure, the neck ring supporting device 3 realizes that the circular ring body 5 deforms due to the fact that the circular ring body 5 is not supported in the extrusion process, and comprises: the rotary clamping device 2 is provided with a second cylinder 31 beside one side departing from the first cylinder 40, a piston rod of the second cylinder 31 is fixed to the second mounting plate 32, a supporting plate 33 capable of rotating is mounted on the second mounting plate 32, the supporting plate 33 and the extrusion plate 43 are on the same plane, and the supporting plate 33 is used for supporting a neck ring of the piston.

In order to design the conveying device 1 to realize automatic feeding after the circular ring body 5 is put into the conveying chute 10, the conveying device 1 comprises: the device comprises a conveying chute 10, a guide cylinder 11, a third cylinder 12, a pushing plate 13, a plugging plate 14, a supporting table 15 and a guide groove body 16, wherein the conveying chute 10 is installed above the supporting table 15 through an installation frame, an included angle between the conveying chute 10 and a horizontal plane is an acute angle, the bottom end of the conveying chute 10 is communicated to the top end of the guide cylinder 11, the bottom end of the guide cylinder 11 is positioned right above the guide groove body 16, the guide groove body 16 is installed on the supporting table 15, the third cylinder 12 is installed on the supporting table 15, a piston rod of the third cylinder 12 is connected to the pushing plate 13, the pushing plate 13 is used for pushing a, the middle part of the guide groove body 16 is communicated with a rotary clamping device 2, the rotary clamping device 2 is arranged on a supporting table 15, a plugging plate 14 is arranged on the pushing plate 13, and the plugging plate 14 is used for plugging the guide cylinder 11 when the pushing plate 13 pushes the circular ring body 5 to the rotary clamping device 2.

In order to design simple structure's rotary clamping device 2, the realization is remedied and is deviated from extrusion disc 43 one side because of the 4 direct support ring bodies 5 of neck ring extrusion device, 5 central holes of ring body lead to the yielding flat problem of ring body 5, from 5 central support ring bodies 5 of ring body when having realized pressing from both sides tight ring body 5, avoided neck ring strutting arrangement 3 and neck ring extrusion device simultaneous action and leaded to the problem that ring body 5 becomes flat, production quality is guaranteed, market competitiveness has been improved, the waste that leads to ring body 5 because of ring body 5 becomes flat has also been avoided simultaneously, production cost is reduced, rotary clamping device 2 includes: a second motor 20, a rotary base 21, a fourth cylinder 22, a lifting base 23, an extrusion rod 24, a first spring 25, a guide rod 26, a mounting disc 27, an inclined plate 28, a clamping arm 29 and a second spring 30, wherein the rotary base 21 capable of rotating is arranged on the support platform 15, the bottom of the rotary base 21 is fixed to a rotating shaft of the second motor 20, the second motor 20 is arranged in the support platform 15, a mounting cavity is formed in the rotary base 21, the fourth cylinder 22 is arranged at the bottom of the mounting cavity, the lifting base 23 is arranged at the top of the rotary base 21, the top surface of the lifting base 23 and the inner bottom surface of the guide groove body 16 are on the same plane, a cavity is formed in the lifting base 23, the mounting disc 27 is arranged in the cavity, the mounting disc 27 is connected to one end of the guide rod 26 above, the other end of the guide rod 26 extends into the lifting base 23, the guide rod 26 can move in the vertical direction under the guide of the lifting base 23, the guide rod, the other end of the first spring 25 is fixed to the lifting seat 23, the mounting disc 27 is a disc structure located on a horizontal plane, four clamping arms 29 are installed in the mounting disc 27, the clamping arms 29 can only move in a direction parallel to the radial direction of the mounting disc 27 relative to the mounting disc 27, the top surface of the lifting seat 23 is recessed to form a containing groove for containing a piston, an inclined plate 28 located in a cavity is fixed to the bottom end of each clamping arm 29, an extrusion rod 24 is tightly attached to the inclined plate 28, the extrusion rod 24 is fixed to a piston rod of the fourth cylinder 22, the extrusion rod 24 can move in a vertical direction relative to the lifting seat 23, the top end of each clamping arm 29 is used for extending into the circular ring body 5, and a groove is formed in a surface, close to the inner wall.

The working principle of the embodiment is as follows: firstly, a ring body 5 formed by one-time casting is manually placed into a conveying chute 10, under the condition of the self gravity of the ring body 5, the ring body 5 has a tendency of moving towards the bottom end of the conveying chute 10, so that the inclination angle of the conveying chute 10 is not very large, the ring body 5 can automatically fall into a guide cylinder 11, the ring body 5 is stacked in the guide cylinder 11 and the conveying chute 10, the ring body 5 has a tendency of falling into a guide groove body 16, only one ring body 5 can enter between the guide cylinder 11 and the guide groove body 16, the ring body 5 at the lowest part of the guide cylinder 11 falls into the guide groove body 16, the ring body 5 positioned in the guide groove body 16 cannot be blocked by the guide cylinder 11 when moving, and at the moment, a push plate 13 is positioned on one side of the ring body 5, which is far away from a rotary clamping device 2; then, the third cylinder 12 is started, the third cylinder 12 causes the pushing plate 13 to push the ring body 5 at the lowest position of the guide cylinder 11 into the accommodating groove of the lifting seat 23 (at this time, the clamping arms 29 retract into the lifting seat 23 under the elastic force of the first spring 25, the clamping arms 29 are prevented from blocking the ring body 5 from falling into the accommodating groove, the distance between all the clamping arms 29 is smaller under the elastic force of the second spring 30, and the subsequent clamping arms 29 can be ensured to extend into the ring body 5), meanwhile, the blocking plate 14 blocks the guide cylinder 11, and the situation that the pushing plate 13 retracts to the side of the next ring body 5 departing from the rotary pressing device due to the fact that the next ring body 5 falls from the guide cylinder 11 when the current ring body 5 is pushed is avoided, because the guide groove body 16 is divided into a first section groove body and a second section groove body, the first section groove body is positioned at the side of the lifting seat 23 close to the guide cylinder 11, the second groove body is positioned on one side, away from the guide cylinder 11, of the lifting seat 23, an enough gap is formed between the first groove body and the second groove body for the lifting seat 23 to pass through, so that the lifting seat 23 is prevented from being influenced to rotate, and the lifting seat 23 is leaked from the top end of the circular ring body 5 after the circular ring body 5 enters the accommodating groove, so that the subsequent neck ring supporting device 3 and the neck ring extruding device can be in contact with the top end of the circular ring body 5; then, the fourth cylinder 22 is started, the extrusion rod 24 firstly extrudes the mounting disc 27 to drive the clamping arm 29 to rise, the clamping arm 29 cannot move in the vertical direction relative to the mounting disc 27, so that the groove on the top end of the clamping arm 29 can be aligned with the top end of the circular ring body 5, that is, the supporting disc 33 and the extrusion disc 43 can be aligned with the groove of the clamping arm 29, so that after a subsequent neck ring is extruded inwards, the neck ring can extend into the groove, the clamping arm 29 and the mounting disc 27 cannot be continuously lifted until the groove is aligned with the supporting disc 33 and the extrusion disc 43, and then the extrusion rod 24 is continuously lifted, the extrusion rod 24 extrudes the inclined plate 28 to separate from each other, so that the clamping arm 29 is pressed on the inner wall of the circular ring body 5, thereby not only realizing the support of the inner wall of the circular ring body 5, but also realizing the clamping of the circular ring body 5 after; then, the first air cylinder 40 and the second air cylinder 31 are started to enable the extrusion disc 43 and the supporting disc 33 to be tightly attached to the outer wall of the circular ring body 5; then, the second motor 20 is started to rotate the circular ring body 5, and the lifting seat 23 and the clamping arm 29 drive the circular ring body 5 to rotate through friction; finally, the pressing disk 43 is rotated while the first cylinder 40 and the second cylinder 31 are slowly moved so that the pressing disk 43 and the supporting disk 33 both move toward the center line of the ring body 5, and the wall of the ring body 5 is pressed toward the center line, thereby realizing neck ring formation.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. A brake caliper piston ring groove production system, comprising: the neck ring extruding device comprises a conveying device, a rotary clamping device, a neck ring supporting device and a neck ring extruding device;

the output end of the conveying device is communicated to the rotary clamping device, and the rotary clamping device is used for clamping the end part of the circular ring body, far away from the neck ring, and then driving the circular ring body to rotate; the neck ring supporting device and the neck ring extruding device are respectively positioned at two sides of the rotary clamping device, the neck ring supporting device is used for supporting the end part of the circular ring body which is not clamped by the rotary clamping device, and the neck ring extruding device is used for extruding the neck ring on the end part of the circular ring body which is not clamped by the rotary clamping device;

the conveying device comprises: the device comprises a conveying chute, a guide cylinder, a third air cylinder, a pushing plate, a plugging plate, a support table and a guide groove body, wherein the conveying chute is installed above the support table through an installation frame, an included angle between the conveying chute and the horizontal plane is an acute angle, the bottom end of the conveying chute is communicated to the top end of the guide cylinder, the bottom end of the guide cylinder is positioned right above the guide groove body, the guide groove body is installed on the support table, the third air cylinder is installed on the support table, a piston rod of the third air cylinder is connected to the pushing plate, the pushing plate is used for pushing a piston to move in the guide groove body, a rotary clamping device is communicated with the middle of the guide groove body and installed on the support table, and the plugging plate is used for plugging the guide cylinder when the;

the rotary clamping device includes: a second motor, a rotary seat, a fourth cylinder, a lifting seat, an extrusion rod, a first spring, a guide rod, a mounting disc, an inclined plate, a clamping arm and a second spring, wherein the rotary seat capable of rotating is installed on the support table, the bottom of the rotary seat is fixed to a rotating shaft of the second motor, the second motor is installed in the support table, a mounting cavity is formed in the rotary seat, the fourth cylinder is installed at the bottom of the mounting cavity, the lifting seat is installed at the top of the rotary seat, the top surface of the lifting seat and the inner bottom surface of the guide groove body are positioned on the same plane, a cavity is formed in the lifting seat, the mounting disc is arranged in the cavity, the mounting disc is connected to one end of the upper guide rod, the other end of the guide rod extends into the lifting seat, the guide rod can move in the vertical direction under the guidance of the lifting seat, the guide rod is connected with one end of the first spring, the other end of the, install four tight arms of clamp in the mounting disc, the tight arm of clamp only can move in the direction with the radial parallel of mounting disc relatively the mounting disc, the sunken holding tank that holds the piston that forms of lift seat top surface, the tight arm bottom mounting of clamp has the swash plate that is located the cavity, it has the stripper bar to hug closely with the swash plate, the stripper bar is fixed with the piston rod of fourth cylinder, the stripper bar can move in vertical direction relatively the lift seat, it is originally internal that the tight arm top of clamp is used for stretching into the ring, the face that the tight arm of clamp is close to piston inner wall is sunken to form the recess.

2. The brake caliper piston ring groove production system of claim 1, wherein the neck ring extrusion apparatus comprises: the piston extrusion device comprises a first cylinder, a first mounting plate, a first motor and an extrusion disc, wherein the first cylinder is mounted beside a rotary clamping device, the telescopic direction of the first cylinder is perpendicular to the output direction of a conveying device, a piston rod of the first cylinder is connected to the mounting plate, the first motor is mounted on the mounting plate, a rotating shaft of the first motor is fixed to the center of the extrusion disc, the first motor is used for driving the extrusion disc to rotate, the extrusion disc is perpendicular to the central line of a piston clamped by the rotary clamping device, and the extrusion disc is used for extruding the piston out of a neck ring.

3. The brake caliper ring groove production system of claim 2, wherein the neck ring support means comprises: the rotary clamping device comprises a second cylinder, a second mounting plate and a supporting plate, wherein the second cylinder is arranged beside one side, deviating from the first cylinder, of the rotary clamping device, a piston rod of the second cylinder is fixed to the second mounting plate, the supporting plate capable of rotating is arranged on the second mounting plate, the supporting plate and the extrusion plate are arranged on the same plane, and the supporting plate is used for supporting a neck ring of a piston.