CN103802351A

CN103802351A - Automatic pressing machine

Info

Publication number: CN103802351A
Application number: CN201410073790.6A
Authority: CN
Inventors: 周淑辉; 周永春; 薄云鹏; 王泽伟
Original assignee: Jilin University
Current assignee: Jilin University
Priority date: 2014-03-03
Filing date: 2014-03-03
Publication date: 2014-05-21
Anticipated expiration: 2034-03-03
Also published as: CN103802351B

Abstract

The invention discloses an automatic pressing machine. The automatic pressing machine is mainly characterized in that the left side and the right side of a protective shell of a weighing device are respectively provided with two symmetrical circular holes, a rough feeding impeller and a fine feeding impeller extend out of the protective shell to be in transmission connection with a rough feeding control motor and a fine feeding control motor respectively, a pressure sensor is connected to a hopper, and an air cylinder is connected to a bottom cover of the hopper to be used for controlling the bottom cover of the hopper to be opened and closed. Evening air cylinders of an evening mechanism are connected with pressing cavities, and are stretched to enable materials to be evened by inertia, pushing air cylinders are connected with a pushing plate, and the bottom end of the pushing plate and the tops of the pressing cavities are coincident in height. A hydraulic balance cylinder of a pressing mechanism is provided with four cavities which are connected to a pressing main cylinder, the interiors of the four cavities are communicated to guarantee that the pressure can be the same even if the numbers of the filled materials are different during pressing, and male dies are welded to the hydraulic balance cylinder and correspond to four female dies respectively. According to the automatic pressing machine, weighing is accurate, the quality problem caused by insufficient material filling can be solved, the materials are even through the automatic evening mechanism, convenience is brought to the pressing process, a large amount of manpower and a large number of material resources are saved, the production efficiency is improved, and the product quality is guaranteed.

Description

Mo(u)ldenpress

Technical field

The present invention is applied to automobile brake sheet and makes field, can realize friction material automation and precisely weigh, automatically shakeouts and automatically compressing.

Background technology

At present, domestic brake block manufacture craft is mostly to use old-fashioned four post press, adopts manual weighing's friction material also to add in press, in the mould of press through HTHP make friction material and pressing steel back integral.This method efficiency is low, personnel take many, homogeneity of product is poor, and due to the error of manual operation generation, can cause weighing inaccurate, or shakeout and in process, do not reach standard, thereby cause density not evenly even local loose, directly affect brake block serviceability and life-span, the generation that even can result in an automobile accident.

Summary of the invention

The object of this invention is to provide a kind of mo(u)ldenpress, to realize automatic material weighing, automatically shakeout and product is suppressed automatically.

For achieving the above object, the invention provides a kind of mo(u)ldenpress, comprise storage device, meausring apparatus, conveying device, automatic spreading leveling device, prepressing device, pressure setting, Automatic clearance and ejecting device, it is characterized in that: meausring apparatus comprises thick charging control motor, essence charging control motor, thick reinforced impeller, finishing material impeller, protection housing, funnel, hopper, hopper bottom, cylinder and pressure sensor, above protection housing, have charging aperture, have discharging opening below, each side have two symmetrical circular holes, thick reinforced impeller stretches out protection housing with finishing material impeller and is connected with thick charging control motor and smart charging control motor-driven respectively, protection housing discharging opening connects a funnel, funnel below connects hopper, on hopper, be connected with pressure sensor, cylinder is connected on hopper bottom for controlling the switching of hopper bottom, shakeout mechanism and comprise that compression chamber is die, pusher cylinder, shakeouts cylinder and scraping wings, shakeout cylinder and connect compression chamber, shakeouing the flexible of cylinder can make material be shakeout due to inertia, pusher cylinder connects scraping wings, scraping wings bottom is consistent with compression chamber overhead height, guarantees that when scraping wings pushes away material, not having material remains in compression chamber top, briquetting machine comprises compacting master cylinder, hydro-cushion cylinder and punch, compacting master cylinder adopts oil cylinder that pressure is provided, totally four chambeies of hydro-cushion cylinder is connected on compacting master cylinder, internal communication, even if guarantee that the material amount of inserting difference also can make pressure identical in the time of compacting, punch is welded on hydro-cushion cylinder, respectively corresponding four dies.

Beneficial effect of the present invention is: owing to adopting automatic weighing mechanism to make the consumption of material more accurate; Owing to adopting four chamber holotype moulds, when compacting, rise and compressing by core rod, in the time that weight of material in a certain die cavity is not enough, the distance that punch upwards rises increases, thereby guarantees that in 4 die cavitys, pressure is consistent, can avoid due to the not enough quality problems that produce of filler.And make material more smooth by automatic spreading flattening mechanism, for the process of compacting facilitates.With regard to the press situation of current domestic brake block industry, its press automaticity is the highest, has saved in a large number manpower and materials, enhance productivity, and product quality is guaranteed.

Accompanying drawing explanation

Fig. 1 is general structure schematic diagram of the present invention;

Fig. 2 is the schematic diagram of meausring apparatus in the specific embodiment of the invention;

Fig. 3 is meausring apparatus protection housing internal structure schematic diagram in the specific embodiment of the invention;

Fig. 4 is the schematic diagram that shakeouts mechanism of the specific embodiment of the invention;

Fig. 5 is the schematic diagram of pressing structure in the specific embodiment of the invention.

The specific embodiment

With reference to Fig. 1, the present invention includes storage device 1, meausring apparatus 3, conveying device 2, automatic spreading leveling device 4, prepressing device 5, pressure setting 6, Automatic clearance and ejecting device 7, in storage device 1, put into respectively bed material and fabric, by conveying device 2 material delivery in meausring apparatus 3, in meausring apparatus 3, have thick title and Jing Cheng mechanism.After weighing finishes, fabric and bed material are successively added in mould, in adding two material, shakeout by spreading out device 4, the process of shakeouing is synchronizeed and is carried out with the adding procedure of two kinds of material.After fabric has added, undertaken pre-stamped by prepressing device 5.After Material Addition precompressed complete, the steel backing of putting well in advance will be adsorbed on electromagnet, and electromagnet will move to steel backing directly over mould, and now pressure setting 6 starts to suppress, by moving on oil cylinder, compressing, and this process in triplicate.After having suppressed, the dust producing by installing 7 Automatic clearances, last shaped article is released automatically.

With reference to Fig. 2, Fig. 3; meausring apparatus comprises thick charging control motor 301, smart charging control motor 302, slightly reinforced impeller 303, finishing material impeller 304, protection housing 305, funnel 306, hopper 307, hopper bottom 308, cylinder 309 and pressure sensor 311; protection housing 305 Shang Xia Ge Kai a bite guarantee adding and sending of material; the symmetrical circular hole of left and right Ge Kai two, for putting into thick reinforced impeller 303 with thin reinforced impeller 304 and it freely being rotated.Motor 301 is thick charging control motors, motor 302 is smart charging control motors, the output of thick charging control motor 301 is connected the rotation that makes the rotation of thick charging control motor drive impeller axis with the axis of thick reinforced impeller 303, thereby drives the impeller rotation on axis; Essence charging control motor 302 is in like manner connected with thin reinforced impeller.Protection housing lower opening place connects funnel 306, and funnel below is hopper 307.Hopper 307 is connected with hopper bottom 308, can guarantee that the unlatching of hopper bottom is with closed.On hopper, weld a support 312, pressure sensor 311 is fixed on support, for measuring weight of material.Cylinder 309 is connected on hopper bottom 308 and controls the switching of hopper bottom, and cylinder 309 is fixed on press crossbeam by an angle steel 310, the flexible switching that can drive hopper bottom 308 of cylinder 309.

With reference to Fig. 4, shakeout mechanism and comprise that compression chamber is die 401, pusher cylinder 402, shakeouts cylinder 403 and scraping wings 404.Shakeout cylinder and connect compression chamber 401, shakeouing the flexible of cylinder can make material be shakeout due to inertia, pusher cylinder 402 connects scraping wings 404, and scraping wings 404 bottoms are consistent with compression chamber 401 overhead heights, guarantees that when scraping wings pushes away material, not having material remains in compression chamber top.

With reference to Fig. 5, briquetting machine comprises compacting master cylinder 503, hydro-cushion cylinder 502 and punch 501, compacting master cylinder adopts oil cylinder that pressure is provided, totally four chambeies of hydro-cushion cylinder 502 is connected on compacting master cylinder, internal communication, even if guarantee that the material amount of inserting difference also can make pressure identical in the time of compacting, punch 501 is welded on hydro-cushion cylinder, respectively corresponding four dies.

Operation principle: first, put into respectively bed material and fabric in two material storing box of storage device,, rotated by 301,302 two driven by motor respectively in material delivery to 303,304 two impellers by track, realize transporting of material.Transported the material that gets off falls into by funnel 306 hopper 307 that pressure sensor 311 is housed and weighs by impeller, in the time that material measured value also differs from 2-4 grams apart from setting value, thick charging control motor 303 shuts down, essence charging control motor 304 continues action, until material measured value is with setting value while equating, essence charging control motor 304 stops, and guarantees control accuracy.Then, the switching of pressure sensor 311 automatic control cylinders 309 and then realize the switching of hopper bottom 308.After weighing finishes, hopper bottom 308 can be opened, and material is entered in four compression chamber 401 successively.Fabric and bed material can successively add in mould, after material is filled in compression chamber 401, compacting master cylinder 503 moves, punch 501 is up, remain basically stable with die 401, then punch 501 comes downwards to setting height, this height operator can set according to material characteristic, pusher cylinder 402 below moves, by scraping wings 404, material is pushed in die, shakeout the round action of cylinder 403 (this operating frequency can be set simultaneously, ) then punch come again downwards to setting height, shakeout cylinder 403 and continue action, punch comes downwards to after set point number, cylinder 402 is return, shakeout complete.After this, the steel backing of putting well in advance will be adsorbed on electromagnet, electromagnet will move to steel backing directly over mould, now start to suppress, in pressing process, adopt hydro-cushion cylinder 502, this compensating cylinder is totally four chambeies, internal communication, be placed on compacting master cylinder 503, when compacting, under the drive of compacting master cylinder 503, together rise with compacting master cylinder 503, hydro-cushion cylinder 502 4 punch 501 above synchronously rise, material in die cavity starts stressed, guarantee that pressure is consistent, in the time that weight of material in a certain die cavity is not enough, the distance that punch 501 upwards rises increases, in 4 die cavitys of same assurance, pressure is consistent.In triplicate, pressing process finishes this process.Finally make shaped article exit press by Automatic clearance and ejecting device.

Claims

1. a mo(u)ldenpress, comprise storage device, meausring apparatus, conveying device, automatic spreading leveling device, prepressing device, pressure setting, Automatic clearance and ejecting device, it is characterized in that: meausring apparatus comprises thick charging control motor, essence charging control motor, thick reinforced impeller, finishing material impeller, protection housing, funnel, hopper, hopper bottom, cylinder and pressure sensor, above protection housing, have charging aperture, have discharging opening below, each side have two symmetrical circular holes, thick reinforced impeller stretches out protection housing with finishing material impeller and is connected with thick charging control motor and smart charging control motor-driven respectively, protection housing discharging opening connects a funnel, funnel below connects hopper, on hopper, be connected with pressure sensor, cylinder is connected on hopper bottom for controlling the switching of hopper bottom, shakeout mechanism and comprise that compression chamber is die, pusher cylinder, shakeouts cylinder and scraping wings, shakeout cylinder and connect compression chamber, shakeouing the flexible of cylinder can make material be shakeout due to inertia, pusher cylinder connects scraping wings, scraping wings bottom is consistent with compression chamber overhead height, guarantees that when scraping wings pushes away material, not having material remains in compression chamber top, briquetting machine comprises compacting master cylinder, hydro-cushion cylinder and punch, compacting master cylinder adopts oil cylinder that pressure is provided, totally four chambeies of hydro-cushion cylinder is connected on compacting master cylinder, internal communication, even if guarantee that the material amount of inserting difference also can make pressure identical in the time of compacting, punch is welded on hydro-cushion cylinder, respectively corresponding four dies.