CN212469389U

CN212469389U - A punching machine for brake block steel backing

Info

Publication number: CN212469389U
Application number: CN202020638449.1U
Authority: CN
Inventors: 陈升达; 黄新竹; 何冰; 杨林
Original assignee: Hunan Xingda Automobile Parts Manufacturing Co ltd
Current assignee: Hunan Xingda Automobile Parts Manufacturing Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-02-05
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses a punching machine for brake block steel backing, including workstation and punching press mechanism, the upper surface of workstation has seted up two at least recesses, install the die in the recess, the edge of die is provided with at least one reference column, the side-mounting of workstation has the walking track, punching press mechanism includes head and afterbody, the head and the afterbody fixed connection of punching press mechanism form "L" form, the afterbody of punching press mechanism pass through the walking track with the workstation is movably connected, the head below of punching press mechanism is connected with the slider that is used for the punching press, the bottom fixed mounting of slider has the terrace die, the edge of terrace die has seted up at least one locating hole; during punching, the male die is right opposite to the female die, and the positioning column is arranged in the positioning hole. The utility model discloses not only can avoid workman's hand to be crushed the risk, can also improve work efficiency.

Description

A punching machine for brake block steel backing

Technical Field

The utility model relates to a production field of brake block steel backing, concretely relates to punching machine for brake block steel backing.

Background

The steel back is one of the important components of the brake pad, and the steel back is mainly used for fixing friction materials and transmitting force generated by the oil cylinder to the friction materials so that the friction materials clamp the tire to realize braking action. When the back steel is produced, a steel plate coil needs to be cut into steel strips larger than the steel back according to the size of the steel back, and then blanking is carried out by adopting a punching machine according to the shape of the steel back to prepare blanks.

In the blanking process, the steel plate strip is placed on the die by a worker in each stamping process, the die is taken out after stamping is completed, the worker needs manual operation in the processes of feeding and taking materials, so that hands are easily damaged by pressing, and after blanking, a workpiece enters the groove, and certain difficulty also exists when the worker manually takes materials.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that exists, the utility model provides a punching machine for brake block steel backing, its concrete technical scheme as follows:

a punching machine for a steel back of a brake pad comprises a workbench and a punching mechanism, wherein at least two grooves are formed in the upper surface of the workbench, a female die is installed in each groove, at least one positioning column is arranged at the edge of the female die, a walking track is installed on the side surface of the workbench, the punching mechanism comprises a head and a tail, the head and the tail of the punching mechanism are fixedly connected to form an L shape, the tail of the punching mechanism is movably connected with the workbench through the walking track, a sliding block for punching is connected to the lower portion of the head of the punching mechanism, a male die is fixedly installed at the bottom of the sliding block, and at least one positioning hole is formed in the edge of the male die; during punching, the male die is right opposite to the female die, and the positioning column is arranged in the positioning hole. When the punching machine works, the steel plate strips can be sequentially placed into the concave die, after the punching mechanism completes punching of one station, the punching mechanism moves to the next station to continue punching, and hands are effectively prevented from being pressed and damaged when workers discharge and take materials.

Further, the die includes backup pad, first spring and first curb plate and the second curb plate of symmetric distribution, first curb plate and second curb plate are echelonment and first curb plate and second curb plate respectively with the lateral wall fixed connection of recess, the top of die forms the constant head tank, the blanking groove is formed to the below of die, the one end of first spring and the bottom fixed connection of recess, the other end and backup pad fixed connection, the backup pad is located the constant head tank just the vertical direction removal of constant head tank to blanking groove can be followed to the backup pad. The shape of the steel backing can set up when producing according to the shape of production, and when punching press mechanism moved next station, the steel backing after the punching press popped out from the charging chute under the effect of spring, makes things convenient for the workman to get the material.

Furthermore, the section of the charging chute in the vertical direction is trapezoidal, and the area of the supporting plate is smaller than that of the opening at the top of the charging chute.

Furthermore, the male die comprises a first connecting plate, a second connecting plate and a convex block, the first connecting plate is fixedly connected with the sliding block, the second connecting plate is connected with the first connecting plate through a telescopic rod, a second spring is sleeved outside the telescopic rod, and the convex block is fixedly connected with the second connecting plate. Buffering at the in-process of punching press through telescopic link and spring can prevent that the lath from receiving huge impulsive force suddenly, producing the deformation.

Further, the shape of the bump is matched with that of the charging chute.

Furthermore, the number of the positioning columns is four, and the number of the positioning holes is four.

Has the advantages that: 1. the utility model discloses a multistation combines mobilizable punching press mechanism for the workman can put into the die with the steel sheet strip in proper order before the punching press, when the punching press mechanism finishes the punching press action and moves to next station, puts into the steel sheet strip again after the workman takes out the steel backing after the punching press, not only can avoid the risk that workman's hand is crushed, can also improve work efficiency;

2. the edges of the female die and the male die are respectively provided with a positioning column and a positioning hole for positioning, so that the stamping precision can be effectively improved;

3. when the stamping mechanism moves to the next station, the stamped steel back is popped out from the charging chute under the action of the spring, so that a worker can conveniently take materials.

Drawings

Fig. 1 is a schematic view of the overall structure of the punching machine of the present invention;

fig. 2 is the schematic diagram of the matching structure of the female die and the male die of the present invention.

Reference numerals: 1-a workbench; 2-a stamping mechanism; 3-a female die; 4-a male die; 11-a groove; 21-a slide block; 31-a locating post; 32-a first side panel; 33-a second side panel; 34-a charging chute; 35-a support plate; 36-a first spring; 37-a positioning groove; 41-positioning holes; 42-a first connection plate; 43-a second connecting plate; 44-a telescopic rod; 45-a second spring; 46-bump.

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 efforts belong to the protection scope of the present invention.

As shown in fig. 1, a punching machine for a steel backing of a brake pad comprises a workbench 1 and a punching mechanism 2, wherein at least two grooves 11 are formed in the upper surface of the workbench 1, a female die 3 is installed in each groove 11, at least one positioning column 31 is arranged at the edge of the female die 3, a walking track is installed on the side surface of the workbench 1, the punching mechanism 2 comprises a head part and a tail part, the head part and the tail part of the punching mechanism 2 are fixedly connected to form an L shape, the tail part of the punching mechanism 2 is movably connected with the workbench 1 through the walking track, a sliding block 21 for punching is connected below the head part of the punching mechanism 2, a male die 4 is fixedly installed at the bottom of the sliding block 21, and at least one positioning hole 41 is formed in the edge of the male die 4; during punching, the male die 4 is right opposite to the female die 3, and the positioning column 31 is arranged in the positioning hole 41.

The punching machine is before carrying out work, the workman puts into die 3 in proper order with the lath earlier, punching press mechanism 2 removes and carries out the punching press to first station, fix a position through reference column 31 and locating hole 41 during the punching press, the precision of improvement punching press, after the punching press of first station is accomplished, punching press mechanism 2 removes and carries out the punching press to second station, the workman takes out the steel backing after the punching press is accomplished in with first station die 3, then put into the lath, the circulation operation, not only can avoid the risk that the workman's hand is crushed, can also improve work efficiency.

In order to improve the positioning accuracy, the number of the positioning columns 31 is four, the positioning columns are respectively arranged on four corners of the female die 3, the number of the positioning holes 41 is also four, the positioning columns are also respectively arranged on four corners of the male die 4, and the four positioning columns 31 are respectively matched with the four positioning holes 41 during punching; in order to improve the stamping efficiency, a plurality of grooves 11 with equal intervals can be arranged on the workbench 1, and a female die 3 is fixedly connected in each groove 11.

Further, the die 3 includes the first curb plate 32 and the second curb plate 33 of backup pad 35, first spring 36 and symmetric distribution, first curb plate 32 and second curb plate 33 are echelonment and first curb plate 32 and second curb plate 33 respectively with recess 11's lateral wall fixed connection, the top of die 3 forms constant head tank 37, the blanking groove 34 is formed to the below of die 3, the one end of first spring 36 and recess 11's bottom fixed connection, the other end and backup pad 35 fixed connection, backup pad 35 is located constant head tank 37 just the vertical direction removal of constant head tank 37 to blanking groove 34 can be followed to backup pad 35. The section of the charging chute 34 in the vertical direction is trapezoidal, and the area of the supporting plate 35 is smaller than the area of the top opening of the charging chute 34. Specifically, the positioning column 31 is fixedly connected to the top of the first supporting plate 35 and the top of the second supporting plate 35.

The shape of the opening of the charging chute 34 can be set according to the actual shape of the steel back, the shape of the convex block 46 in the male die 4 can be set to be matched with the shape of the charging chute 34, meanwhile, the separated first side plate 32 and the separated second side plate 33 are combined to form the female die 3, the first side plate 32 and the second side plate 33 can be fixedly connected with the groove 11 through bolts or other modes, and the steel backs can be replaced at any time when different specifications of steel backs need to be produced; can fix a position and support the lath through constant head tank 37 and backup pad 35 in the die 3 when the punching press, after the punching press finishes, first spring 36 can pop out the steel backing after the punching press, makes things convenient for the workman to get the material.

Furthermore, the male die 4 comprises a first connecting plate 42, a second connecting plate 43 and a projection 46, the first connecting plate 42 is fixedly connected with the sliding block 21, the second connecting plate 43 is connected with the first connecting plate 42 through an expansion rod 44, a second spring 45 is sleeved outside the expansion rod 44, and the projection 46 is fixedly connected with the second connecting plate 43. Specifically, the positioning hole 41 is opened at the bottom of the second connecting plate 43. The telescopic rod 44 and the second spring 45 relieve the huge impact force of stamping in the stamping process, protect workpieces from being damaged and prolong the service life of the machine.

The working process is as follows: a worker firstly puts steel slabs into each female die 3 in sequence, the supporting plate 35 is located in the positioning groove 37 of the female die 3 at the moment, the steel slabs are positioned and supported through the positioning groove 37 and the supporting plate 35 in the female die 3, the punching mechanism 2 is moved to the male die 4 to be aligned with the first female die 3 after discharging is finished, the male die 4 is driven to descend through the sliding block 21, the positioning column 31 is inserted into the positioning hole 41 at the moment, the bump 46 is quickly pressed into the blanking groove 34 to complete one-time punching, the steel slabs are cut by the bump 46 and the cutting edge of the female die 3 to obtain a rough blank of a steel backing, the supporting plate 35 enters the blanking groove 34 along with the bump 46 under the pressure of the bump 46 at the moment, and the supporting plate 35 can prevent the steel slabs from; after the stamping is completed, the stamping mechanism 2 moves to the next station for continuous stamping, in the previous station, the support plate 35 moves to the positioning groove 37 under the action of the first spring 36, a worker takes out the steel back stamped on the support plate 35, then puts in the steel plate strips again, and the operation is repeated in a circulating mode.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A punching machine for a brake pad steel backing is characterized in that: comprises a workbench (1) and a punching mechanism (2), at least two grooves (11) are arranged on the upper surface of the workbench (1), female dies (3) are arranged in the grooves (11), the edge of the female die (3) is provided with at least one positioning column (31), the side surface of the workbench (1) is provided with a walking track, the punching mechanism (2) comprises a head part and a tail part, the head part and the tail part of the punching mechanism (2) are fixedly connected to form an L shape, the tail part of the stamping mechanism (2) is movably connected with the workbench (1) through the walking track, a slide block (21) for stamping is connected below the head part of the stamping mechanism (2), the bottom of the sliding block (21) is fixedly provided with a male die (4), and the edge of the male die (4) is provided with at least one positioning hole (41); during punching, the male die (4) is right opposite to the female die (3), and the positioning column (31) is arranged in the positioning hole (41).

2. A press for a brake steel backing according to claim 1, wherein: die (3) are including first curb plate (32) and second curb plate (33) of backup pad (35), first spring (36) and symmetric distribution, first curb plate (32) and second curb plate (33) are echelonment and first curb plate (32) and second curb plate (33) respectively with the lateral wall fixed connection of recess (11), the top of die (3) forms constant head tank (37), the below of die (3) forms blanking groove (34), the one end of first spring (36) and the bottom fixed connection of recess (11), the other end and backup pad (35) fixed connection, backup pad (35) are located constant head tank (37) just vertical direction removal of constant head tank (37) to blanking groove (34) can be followed to backup pad (35).

3. A press for a brake steel backing according to claim 2, wherein: the section of the charging chute (34) in the vertical direction is trapezoidal, and the area of the supporting plate (35) is smaller than that of an opening at the top of the charging chute (34).

4. A press for a brake steel backing according to claim 2, wherein: the male die (4) comprises a first connecting plate (42), a second connecting plate (43) and a convex block (46), the first connecting plate (42) is fixedly connected with the sliding block (21), the second connecting plate (43) is connected with the first connecting plate (42) through a telescopic rod (44), a second spring (45) is sleeved outside the telescopic rod (44), and the convex block (46) is fixedly connected with the second connecting plate (43).

5. A press for a brake steel backing according to claim 4, wherein: the shape of the projection (46) is matched with the shape of the charging chute (34).

6. A press for brake pad steel backs according to any one of claims 1 to 5, characterized by: the number of the positioning columns (31) is four, and the number of the positioning holes (41) is four.