CN216782413U

CN216782413U - Friction plate hydraulic forming device of brake pad

Info

Publication number: CN216782413U
Application number: CN202122987593.3U
Authority: CN
Inventors: 张种如; 张玉平; 张种斌
Original assignee: Yancheng Tianchi Auto Fitting Co ltd
Current assignee: Yancheng Tianchi Auto Fitting Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-06-21
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a hydraulic forming device for a friction plate of a brake pad, which comprises a bracket, an upper jacking pressing mechanism, a replaceable die and a filler auxiliary structure. The friction plate hydraulic forming device of the brake pad utilizes the matching between the upper ejection pressing mechanism and the replaceable mould, and can press brake pads of different models by replacing the replaceable mould, thereby improving the universality of the hydraulic forming device; the auxiliary structure for filling is utilized to help operators to fill, so that the operation safety is improved.

Description

Friction plate hydraulic forming device of brake pad

Technical Field

The utility model relates to a hydraulic forming device, in particular to a hydraulic forming device for a friction plate of a brake pad.

Background

An automobile brake pad, also called an automobile brake shoe, refers to a friction material fixed on a brake drum or brake disc rotating with a wheel, the friction lining and the friction pad bear external pressure to generate friction so as to achieve the aim of decelerating the vehicle, the automobile brake pad generally comprises a steel plate, an adhesive heat-insulating layer and a friction block, the steel plate is coated to prevent rust, wherein the heat insulation layer is made of a non-heat-transfer material and aims at heat insulation, the friction block is made of a friction material and an adhesive, and is extruded on a brake disc or a brake drum to generate friction when braking, thereby achieving the purposes of vehicle deceleration and braking, due to the friction effect, the friction block can be gradually worn, generally, the lower the cost is, the faster the brake pad is worn, the brake pad needs to be replaced in time after the friction material is used up, otherwise, the steel plate can be in direct contact with the brake disc, the brake effect can be finally lost, and the brake disc can be damaged.

In the course of working to automobile brake block, need use the mould to carry out the shaping processing to it, present brake block forming die single structure, the operation is complicated, and it is inconvenient to use, and the mould of being not convenient for is got after the shaping, has reduced work efficiency, has increased staff's burden.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the friction plate hydraulic forming device of the brake pad can meet the requirements of facilitating mold taking and improving the working efficiency.

The technical scheme is as follows: the utility model provides a hydraulic forming device for a friction plate of a brake pad, which comprises a support, an upper jacking pressing mechanism, a replaceable die and a filler auxiliary structure, wherein the upper jacking pressing mechanism is arranged on the support; the bracket comprises a top plate, a bottom plate and four bracket rods;

the upper ends of the four support rods are respectively fixed at four vertex angles of the lower side surface of the top plate, and the lower ends of the four support rods are respectively fixed at four vertex angles of the upper side surface of the bottom plate; the upper ejection pressing mechanism is arranged between the top plate and the bottom plate, the replaceable mold is arranged on the upper ejection pressing mechanism, the upper ejection pressing mechanism is used for pressing a brake pad back plate and friction plate powder on the replaceable mold into a brake pad, and ejecting the brake pad out of the replaceable mold after pressing is finished; and the filling auxiliary structure is arranged on the upper top pressing mechanism and is used for filling the replaceable die by an operator.

Furthermore, the upper jacking and pressing mechanism comprises an upper side extrusion seat, a lower side extrusion seat, two upper side hydraulic cylinders, two lower side hydraulic cylinders and a plurality of extrusion columns; the upper side extrusion seat is fixed on the lower side surface of the top plate; the two upper hydraulic cylinders are respectively vertically arranged on the top plates on the left side and the right side of the upper extrusion seat; the lower ends of the piston rods of the two upper hydraulic cylinders are respectively fixed with a mounting seat; the two lower hydraulic cylinders are vertically arranged on the upper side surface of the bottom plate; the lower side extrusion seat is fixed on the upper ends of the piston rods of the two lower side hydraulic cylinders; each extrusion column is vertically fixed on the upper side surface of the lower extrusion seat in an interval manner; the replaceable die is detachably mounted on the two mounting seats, and the upper end of each extrusion column extends into the replaceable die.

Further, the replaceable die comprises a die shell, a plurality of extrusion heads and a plurality of limiting orifice plates; a plurality of pore plate limiting grooves are arranged on the upper side surface of the mould shell at intervals; each limiting pore plate is respectively placed in each pore plate limiting groove and used for placing a brake pad back plate; an extrusion hole is formed in the center of the bottom of each hole plate limiting groove; the upper end of each extrusion column extends into the corresponding extrusion hole respectively; each extrusion head is respectively arranged on the extending-in end of each extrusion column through an extrusion head mounting bolt; an extrusion plate which is vertically matched with the corresponding extrusion hole in a sliding manner is arranged on the upper side surface of each extrusion head, and the vertical side surface of each extrusion plate is tightly attached to the hole wall of each extrusion hole; the two mounting seats are respectively arranged on the left side surface and the right side surface of the die shell; and the lower side hole wall of each extrusion hole is provided with an unlocking hole communicated with the vertical side surface of the die shell for assembling and disassembling the mounting bolt.

Furthermore, an upper switch contact rod is arranged on one of the mounting seats; an upper side adjusting track is vertically arranged on the bracket rod on the corresponding side; two upper side limit switches are adjustably mounted on the upper side adjusting track, when the die shell tightly presses the brake pad back plate on the lower side surface of the upper side extrusion seat, the upper side switch contact rod contacts the upper side limit switch on the upper side, and when the die shell moves downwards to enable the extrusion column to eject the pressed brake pad out, the upper side switch contact rod contacts the upper side limit switch on the lower side; a lower switch contact rod is arranged on one side of the lower extrusion seat; a lower side adjusting track is vertically arranged on the bracket rod on the corresponding side; install two downside limit switch with adjustable on lower side adjustment track, when the extrusion seat of downside upwards compressed tightly to the end according to the thickness demand of friction disc, downside switch feeler lever contact upside's downside limit switch, when the extrusion seat of downside moved to the end downwards according to the position of mould shell, downside switch feeler lever contact downside limit switch.

Furthermore, the auxiliary filling structure comprises a drawing plate, two auxiliary rails and a plurality of conical funnels; the two auxiliary rails are longitudinally suspended at the front side of the upper side extrusion seat through the suspension rod respectively; auxiliary sliding chutes are longitudinally arranged on the opposite side surfaces of the two auxiliary tracks; the left edge and the right edge of the drawing plate are respectively inserted on the auxiliary sliding chutes on the corresponding sides, and the drawing plate is used for sliding to the upper part of the mold shell; each conical funnel is fixed on the drawing plate in a penetrating manner, and a funnel opening of each conical funnel is used for aligning each extrusion hole; a position switch is arranged on one auxiliary rail, and is opened when the drawing plate completely leaves the upper part of the mold shell; a handle is arranged at the front side of the drawing plate.

Furthermore, the upper side and the lower side of the bracket are horizontally provided with baffle plates in a surrounding mode.

Compared with the prior art, the utility model has the beneficial effects that: the upper ejection pressing mechanism is matched with the replaceable mould, so that brake pads of different models can be pressed by replacing the replaceable mould, the universality of the hydraulic forming device is improved, and the pressed brake pads are ejected out of the replaceable mould by the upper ejection pressing mechanism, so that the requirements of facilitating mould taking and improving the working efficiency are met; the auxiliary structure for filling is utilized to help operators to fill, so that the operation safety is improved.

Drawings

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

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

FIG. 3 is a cross-sectional view of an alternative mold of the present invention;

fig. 4 is a schematic view of the filler aid structure of the present invention.

Detailed Description

The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.

Example 1:

as shown in fig. 1 to 4, the present invention provides a friction plate hydroforming apparatus for a brake pad, comprising: the device comprises a bracket, an upper ejection pressing mechanism, a replaceable die and a filler auxiliary structure; the support comprises a top plate 1, a bottom plate 2 and four support rods 3;

the upper ends of the four support rods 3 are respectively fixed at four vertex angles of the lower side surface of the top plate 1, and the lower ends of the four support rods are respectively fixed at four vertex angles of the upper side surface of the bottom plate 2; the upper ejection pressing mechanism is arranged between the top plate 1 and the bottom plate 2, the replaceable mold is arranged on the upper ejection pressing mechanism, the upper ejection pressing mechanism is used for pressing a brake pad back plate and friction plate powder on the replaceable mold into a brake pad, and the brake pad is ejected out of the replaceable mold after pressing is finished; and the filling auxiliary structure is arranged on the upper top pressing mechanism and is used for filling the replaceable die by an operator.

The upper ejection pressing mechanism is matched with the replaceable mould, so that brake pads of different models can be pressed by replacing the replaceable mould, the universality of the hydraulic forming device is improved, and the pressed brake pads are ejected out of the replaceable mould by the upper ejection pressing mechanism, so that the requirements of facilitating mould taking and improving the working efficiency are met; thereby utilize filler auxiliary structure help operating personnel to pack and improve the convenience of operation, the powder is outwards spilt when avoiding filling.

Further, the upper jacking and pressing mechanism comprises an upper side extrusion seat 4, a lower side extrusion seat 9, two upper side hydraulic cylinders 6, two lower side hydraulic cylinders 8 and a plurality of extrusion columns 10; the upper side extrusion seat 4 is fixed on the lower side surface of the top plate 1; the two upper hydraulic cylinders 6 are respectively vertically arranged on the top plates 1 at the left side and the right side of the upper extrusion seat 4, and piston rods of the two upper hydraulic cylinders 6 are vertically downward; the lower ends of the piston rods of the two upper hydraulic cylinders 6 are respectively fixed with a mounting seat 7; the two lower hydraulic cylinders 8 are vertically arranged on the upper side surface of the bottom plate 2, and piston rods of the two lower hydraulic cylinders 8 are vertically upward; the lower side extrusion seat 9 is fixed on the upper ends of the piston rods of the two lower side hydraulic cylinders 8; each extrusion column 10 is vertically fixed on the upper side surface of the lower extrusion seat 9 in an interval manner; the replaceable die is detachably arranged on the two mounting seats 7, and the upper end of each extrusion column 10 extends into the replaceable die.

Two upper hydraulic cylinders 6 are used for driving the mounting seat 7 to drive the replaceable die to tightly press the upper extrusion seat 4, two lower hydraulic cylinders 8 are used for driving the lower extrusion seat 9 to feed upwards in a section-falling manner, and each extrusion column 10 is used for performing section-falling type pressing on powder in the replaceable die, so that the pressed brake friction plate is more compact in structure; the replaceable molds which are detachably arranged are convenient to replace different models, and the universality of the friction plate hydraulic forming device of the brake pad is enhanced.

Further, the replaceable die includes a die housing 12, a plurality of extrusion heads 23, and a plurality of restriction orifice plates 22; a plurality of pore plate limiting grooves 21 are arranged on the upper side surface of the mould shell 12 at intervals; each limiting pore plate 22 is respectively placed in each pore plate limiting groove 21 and used for placing a brake pad back plate; an extrusion hole 20 is formed in the center of the bottom of each hole plate limiting groove 21; the upper end of each extrusion column 10 extends into the corresponding extrusion hole 20; each extrusion head 23 is respectively arranged on the extending end of each extrusion column 10 through an extrusion head mounting bolt 25; an extrusion plate 24 which is vertically matched with the corresponding extrusion hole 20 in a sliding manner is arranged on the upper side surface of each extrusion head 23, and the vertical side surface of each extrusion plate 24 is tightly attached to the hole wall of each extrusion hole 20; the two mounting seats 7 are respectively mounted on the left side surface and the right side surface of the die shell 12 through die mounting bolts; an unlocking hole 13 communicated with the vertical side surface of the die shell 12 is formed in the wall of the lower side hole of each extrusion hole 20 and used for assembling and disassembling a mounting bolt 25; a convex ring 27 for blocking the downward movement of the pressing plate 24 is provided at the lower orifice of each pressing hole 20.

The mold shell 12 is installed by utilizing the mold installation bolt, so that the mold shell 12 can be detachably installed, and brake pads of different models can be conveniently processed; the limiting pore plate 22 is placed in the pore plate limiting groove 21, so that different types of limiting pore plates 22 can be replaced on the premise of not replacing the mould shell 12, and brake pads of different types can be pressed; the unlocking hole 13 is used for facilitating a wrench to extend into the mounting and dismounting bolt 25 when the mould shell 12 needs to be replaced; the pressing plate 24 is blocked by the convex ring 27, and the pressing plate 24 is prevented from being separated from the pressing hole 20 to cause the reference deviation.

Further, an upper switch contact rod 15 is arranged on one of the mounting seats 7; an upper side adjusting track 18 is vertically arranged on the bracket rod 3 at the corresponding side; two upper side limit switches 14 are adjustably mounted on the upper side adjusting track 18 through switch mounting bolts, when the mold shell 12 tightly presses the brake pad back plate on the lower side surface of the upper side extrusion seat 4, the upper side switch contact rod 15 contacts the upper side limit switch 14, and when the mold shell 12 moves downwards to enable the extrusion column 10 to eject the pressed brake pad, the upper side switch contact rod 15 contacts the lower side limit switch 14; a lower switch contact rod 16 is arranged on one side of the lower extrusion seat 9; a lower side adjusting track 19 is vertically arranged on the bracket rod 3 at the corresponding side; two lower side limit switches 17 are installed on the lower side adjusting track 19 in an adjustable mode through switch installation bolts, when the lower side extrusion seat 9 is pressed upwards to the bottom according to the thickness requirement of a brake pad, the lower side switch contact rod 16 contacts the lower side limit switch 17 on the upper side, and when the lower side extrusion seat 9 moves downwards to the bottom according to the position of the mold shell 12, the lower side switch contact rod 16 contacts the lower side limit switch 17 on the lower side.

The positions of the upper limit switch 14 and the lower limit switch 17 can be conveniently adjusted by the upper adjusting track 18 and the lower adjusting track 19; the height positions of the die shell 12 and the lower side extrusion seat 9 can be limited by the cooperation between the upper side switch contact rod 15 and the two upper side limit switches 14 and the cooperation between the lower side switch contact rod 16 and the two lower side limit switches 17, after the filling is finished, the two upper side hydraulic cylinders 6 drive the die shell 12 to move upwards, when a brake pad back plate on the die shell 12 is tightly pressed on the lower side surface of the upper side extrusion seat 4, the upper side switch contact rod 15 contacts the upper side limit switch 14 on the upper side, the die shell 12 stops moving upwards, simultaneously the two lower side hydraulic cylinders 8 drive the lower side extrusion seat 9 to lift upwards, when the brake pad is extruded to the required thickness, the lower side switch contact rod 16 contacts the lower side limit switch 17 on the upper side, the lower side extrusion seat 9 stops lifting, simultaneously the lower side extrusion seat 9 and the die shell 12 synchronously move downwards until the lower side switch contact rod 16 contacts the lower side limit switch 17 on the lower side, at this time, the lower extrusion seat 9 stops moving downwards, the mold shell 12 continues moving downwards until the brake pad formed by pressing is ejected out of the mold shell 12, the upper switch contact rod 15 contacts the upper limit switch 14 on the lower side, and the mold shell 12 stops moving downwards.

Further, the auxiliary filling structure comprises a drawing plate 33, two auxiliary rails 30 and a plurality of conical funnels 34; two auxiliary rails 30 are longitudinally suspended on the front side of the upper extrusion seat 4 through a suspension rod 32; auxiliary chutes 36 are longitudinally arranged on opposite side surfaces of the two auxiliary rails 30; the left edge and the right edge of the drawing plate 33 are respectively inserted into the auxiliary sliding chutes 36 on the corresponding sides, and the drawing plate 33 is used for sliding to the upper part of the mold shell 12; each conical funnel 34 is penetratingly fixed on the drawing plate 33, and the funnel mouth of each conical funnel 34 is respectively used for aligning each extrusion hole 20; a position switch 31 is mounted on one of the auxiliary rails 30, the position switch 31 being opened when the drawing plate 33 is completely out of the upper side of the mold shell 12; a handle 35 is provided on the front side of the drawer plate 33.

Further, baffle plates 5 are horizontally arranged on the upper side and the lower side of the support in a surrounding mode. Utilize baffle 5 to shelter from upside pneumatic cylinder 6 and downside pneumatic cylinder 8, strengthened the security of operation.

The position switch 31 is used for pressing protection, so that the two upper hydraulic cylinders 6 and the two lower hydraulic cylinders 8 can work and feed only when the drawing plate 33 is completely separated from the upper part of the mold shell 12, and the operation safety is enhanced; the conical hopper 34 is used for facilitating the operator to pour the powder into the extrusion hole 20; the handle 35 is used to facilitate the operator to pull the pulling plate 33 along the auxiliary rail 30.

In the hydraulic forming device for the friction plate of the brake pad, the upper limit switch 14, the lower limit switch 17 and the position switch 31 adopt the existing tact switches.

When the friction plate hydraulic forming device of the brake pad is installed and used, firstly, an operator pushes the drawing plate 33 to the upper part of the mold shell 12, powder is filled into the extrusion hole 20 through the conical funnel 34, then the drawing plate 33 is drawn out, the position switch 31 is opened at the moment, and the two upper hydraulic cylinders 6 and the two lower hydraulic cylinders 8 can work; when the brake pad back plate on the die shell 12 is tightly pressed on the lower side surface of the upper side extrusion seat 4, the upper side switch contact rod 15 contacts the upper side limit switch 14 on the upper side, the die shell 12 stops moving upwards, the two lower side hydraulic cylinders 8 drive the lower side extrusion seat 9 to perform step-down type upward pressing, each extrusion column 10 drives the extrusion plate 24 to perform step-down type extrusion, when the brake pad is extruded to a required thickness, the lower side switch contact rod 16 contacts the lower side limit switch 17 on the upper side, the lower side extrusion seat 9 stops pressing upwards, the lower side extrusion seat 9 and the die shell 12 synchronously move downwards until the lower side switch contact rod 16 contacts the lower side limit switch 17 on the lower side, at the moment, the lower side extrusion seat 9 stops moving downwards, the die shell 12 continues moving downwards until the molded brake pad is ejected out of the die shell 12, the upper side switch contact rod 15 contacts the upper side limit switch 14 on the lower side, stopping moving the die shell 12 downwards to finish pressing;

when the replaceable die needs to be replaced, the die mounting bolts are unscrewed, the position of the die shell 12 is adjusted, the mounting bolts 25 are opposite to the unlocking holes 13, and the mounting bolts 25 are unscrewed after the wrench extends into the unlocking holes 13, so that the replaceable die is taken down.

As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited to the utility model itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a friction disc hydroforming device of brake block which characterized in that: comprises a bracket, an upper ejection pressing mechanism, a replaceable die and a filler auxiliary structure; the support comprises a top plate (1), a bottom plate (2) and four support rods (3);

the upper ends of the four support rods (3) are respectively fixed at four vertex angles of the lower side surface of the top plate (1), and the lower ends of the four support rods are respectively fixed at four vertex angles of the upper side surface of the bottom plate (2); the upper ejection pressing mechanism is arranged between the top plate (1) and the bottom plate (2), the replaceable mould is arranged on the upper ejection pressing mechanism, the upper ejection pressing mechanism is used for pressing a brake pad back plate and friction plate powder on the replaceable mould into a brake pad, and the brake pad is ejected out of the replaceable mould after pressing is finished; and the filling auxiliary structure is arranged on the upper top pressing mechanism and is used for filling the replaceable die by an operator.

2. A friction plate hydroforming assembly according to claim 1, wherein: the upper jacking and pressing mechanism comprises an upper side extrusion seat (4), a lower side extrusion seat (9), two upper side hydraulic cylinders (6), two lower side hydraulic cylinders (8) and a plurality of extrusion columns (10); the upper side extrusion seat (4) is fixed on the lower side surface of the top plate (1); two upper hydraulic cylinders (6) are respectively vertically arranged on the top plates (1) at the left side and the right side of the upper extrusion seat (4); the lower ends of the piston rods of the two upper hydraulic cylinders (6) are respectively fixed with a mounting seat (7); the two lower hydraulic cylinders (8) are vertically arranged on the upper side surface of the bottom plate (2); the lower side extrusion seat (9) is fixed on the upper ends of piston rods of the two lower side hydraulic cylinders (8); each extrusion column (10) is vertically fixed on the upper side surface of the lower extrusion seat (9) in an interval manner; the replaceable die is detachably arranged on the two mounting seats (7), and the upper end of each extrusion column (10) extends into the replaceable die.

3. A friction plate hydroforming assembly according to claim 2, wherein: the replaceable die comprises a die shell (12), a plurality of extrusion heads (23) and a plurality of limiting orifice plates (22); a plurality of pore plate limiting grooves (21) are arranged on the upper side surface of the die shell (12) at intervals; each limiting pore plate (22) is respectively arranged in each pore plate limiting groove (21) and is used for placing a brake pad back plate; an extrusion hole (20) is arranged at the center of the bottom of each hole plate limiting groove (21); the upper end of each extrusion column (10) extends into the corresponding extrusion hole (20) respectively; each extrusion head (23) is respectively arranged on the extending end of each extrusion column (10) through an extrusion head mounting bolt (25); an extrusion plate (24) which is vertically matched with the corresponding extrusion hole (20) in a sliding manner is arranged on the upper side surface of each extrusion head (23), and the vertical side surface of each extrusion plate (24) is tightly attached to the hole wall of each extrusion hole (20); the two mounting seats (7) are respectively mounted on the left side surface and the right side surface of the die shell (12); an unlocking hole (13) communicated with the vertical side surface of the die shell (12) is formed in the wall of the lower side hole of each extrusion hole (20) and is used for assembling and disassembling the mounting bolt (25).

4. A friction plate hydroforming assembly according to claim 3, wherein: an upper switch contact rod (15) is arranged on one of the mounting seats (7); an upper side adjusting track (18) is vertically arranged on the bracket rod (3) at the corresponding side; two upper side limit switches (14) are adjustably mounted on the upper side adjusting track (18), when the die shell (12) presses the brake pad back plate on the lower side surface of the upper side extrusion seat (4), an upper side switch feeler lever (15) contacts the upper side limit switch (14), and when the die shell (12) moves downwards to enable the extrusion column (10) to eject the pressed brake pad, the upper side switch feeler lever (15) contacts the lower side limit switch (14); a lower switch contact rod (16) is arranged on one side of the lower extrusion seat (9); a lower side adjusting track (19) is vertically arranged on the bracket rod (3) at the corresponding side; two lower side limit switches (17) are installed on the lower side adjusting track (19) in an adjustable mode, when the lower side extrusion seat (9) is pressed to the bottom upwards according to the thickness requirement of a friction plate, the lower side switch feeler lever (16) contacts with the lower side limit switch (17) on the upper side, and when the lower side extrusion seat (9) moves to the bottom downwards according to the position of the die shell (12), the lower side switch feeler lever (16) contacts with the lower side limit switch (17) on the lower side.

5. A friction plate hydroforming assembly according to claim 3, wherein: the filling auxiliary structure comprises a drawing plate (33), two auxiliary tracks (30) and a plurality of conical funnels (34); two auxiliary rails (30) are respectively and longitudinally suspended on the front side of the upper extrusion seat (4) through a suspension rod (32); auxiliary sliding grooves (36) are longitudinally formed in the opposite side surfaces of the two auxiliary rails (30); the left edge and the right edge of the drawing plate (33) are respectively inserted on the auxiliary sliding grooves (36) on the corresponding sides, and the drawing plate (33) is used for sliding to the upper part of the mold shell (12); each conical funnel (34) is fixed on the drawing plate (33) in a penetrating manner, and the funnel opening of each conical funnel (34) is aligned with each extrusion hole (20); a position switch (31) is arranged on one auxiliary rail (30), and the position switch (31) is opened when the drawing plate (33) is completely separated from the upper part of the mold shell (12); a handle (35) is arranged at the front side of the drawing plate (33).

6. A friction plate hydroforming assembly according to claim 1, wherein: the upper side and the lower side of the bracket are both horizontally provided with baffle plates (5).