CN201357562Y

CN201357562Y - Four-composite rubber extruder head

Info

Publication number: CN201357562Y
Application number: CNU2008201137336U
Authority: CN
Inventors: 邓文忠; 黄发国; 程一祥; 江建平; 王东明
Original assignee: CHINA CHEMICAL GUILIN ENGINEERING Co Ltd
Current assignee: CHINA CHEMICAL GUILIN ENGINEERING Co Ltd
Priority date: 2008-12-30
Filing date: 2008-12-30
Publication date: 2009-12-09
Anticipated expiration: 2018-12-30

Abstract

The utility model discloses a four-composite rubber extruder head for producing the semi-finished product parts of a radial ply tire, which is characterized in that an extruder head die holder is provided with extruding ports which are connected with an extruder cylinder, and the quantity of the extruding port is four, and the four extruding ports adopt a riding structure and are respectively of an upper-die upper-middle-die extruding port, an upper-middle-die middle-die extruding port, a middle-die lower-middle-die extruding port and a lower-middle die lower-die extruding port, and the extruding ports are respectively communicated with flow passage cavities which are arranged between the upper die and the upper-middle die, between the upper-middle die and the middle die, between the middle die and the lower-middle die and between the lower-middle die and the lower die, and the horizontal inclination angle of the upper-die upper-middle-die extruding port is 27 to 33 degrees, and the horizontal inclination angle of the upper-middle-die middle-die extruding port is 6 to 13 degrees, and the horizontal inclination angle of the middle-die lower-middle-die extruding port is minus 8 to minus 2 degrees, and the horizontal inclination angle of the lower-middle-die lower-die extruding port is minus 28 to minus 22 degrees. By determining the best angle of the extruding ports, the reasonable space positions of the four pin extruders can be ensured, thereby optimizing the layout, and being convenient for the installation and the maintenance of other support facilities.

Description

Four compounded rubber extrusion device head

(1) technical field:

The utility model relates to a kind of rubber manufacturing machinery, specifically is a kind of four compounded rubber extrusion device head.

(2) background technology:

The four compounded rubber extrusion group is with compound in the machine that the machine of original tire production is fitted outward, the outer combination process of machine changes multiple mode into, make the applying between the various different formulations rubber tightr, satisfy multiple manufacturing technique requirent, optimize the manufacturing process of tire, this equipment is applicable to four compound extruding of radial semifinished part, is one of important process equipment during radial (particularly high-quality tyre) is produced.

The four compounded rubber extrusion group comprises four compounded rubber extrusion device head and four pin cold feed extruders, the machine barrel employing of four pin cold feed extruders is ridden back of the body formula structure and is connected with the crowded material mouth of four compounded rubber extrusion device head, owing to the machine barrel that the cold feeding of peg type squeezes is grown greatly, and crowded big type speed reducer and the electric motor of also disposing of the cold feeding of peg type, and build in pin cold feed extruder feeding conveyer belt and complicated frame on every side, make that the on-the-spot mechanism of four compounded rubber extrusion group is numerous, the space structure complexity, floor space is big, the position of how to arrange four pin cold feed extruders effectively, determining the rational deployment of matching component, make full use of the space to reach, reduce floor space, the purpose of distributing rationally.

The locus of four pin cold feed extruders will rationally be set, it mainly is the connection angle of decision machine barrel and extruder head, connection angle is excessive, the position that takes up space after four pin cold feed extruders stretch is big, connection angle is too small, the matching component of four pin cold feed extruders can be interfered by occurrence positions, and shelf position is narrow and small, is unfavorable for overhaul of the equipments.

In addition, the difference of the level inclination of extruder crowded material mouth also can make the suffered stress difference of different parts of each parts and each parts in the extruder head, and therefore, the setting of the level inclination of each extruder crowded material mouth is related to the multinomial performance index of extruder head.

(3) utility model content:

The utility model provides a kind of makes the four compounded rubber extrusion device head crowded material mouth that the four compounded rubber extrusion device head of best angle be arranged through optimal design.

Can realize the four compounded rubber extrusion device head of above-mentioned purpose, comprise and be installed on middle mould placed in the middle on the die holder, the upward middle mould of middle mould upper-lower position and down middle mould, go up the patrix of position on the middle mould and the counterdie of down middle mould upper/lower positions, offer the crowded material mouth that connects extruder barrel on the die holder, described crowded material mouth is by four that ride back of the body formula structural configuration, mould crowded material mouth in being respectively on the patrix, mould crowded material mouth in the mould in going up, down middle mould crowded material mouth of middle mould and down middle mould counterdie crowded material mouth, each crowded material mouth is obliquely installed to outlet by import, mould flow passage chamber on the patrix behind the outlet connection matched moulds of each crowded material mouth, mould flow passage chamber in the mould in going up, mould flow passage chamber and down middle mould counterdie flow passage chamber under the middle mould, process complete machine space Structure Analysis calculates the layout scope of each crowded material mouth: the angle of mould crowded material mouth axis and middle mould median plane is between 27 °～33 ° on the patrix; The axis of mould crowded material mouth and middle mould median plane angle are between 6 °～13 ° in the upward middle mould; The axis of the down middle mould crowded material mouth of middle mould and middle mould median plane angle are between-8 °～-2 °; The angle of the axis of mould counterdie crowded material mouth and middle mould median plane is between-28 °～-22 ° down.The length of each crowded material mouth is between 150～350mm.

Through the on-the-spot setting angle that obtains each crowded material mouth the best of installing be: the axis and the middle mould median plane angle of mould crowded material mouth are 30 ° on the patrix, axis and the middle mould median plane angle of going up mould crowded material mouth in the middle mould are 10.5 °, the axis and the middle mould median plane angle of the down middle mould crowded material mouth of middle mould are-5 °, and the axis and the middle mould median plane angle of down middle mould counterdie crowded material mouth are-25 °.

Be connected for ease of machine barrel, be set with the spacer shell flange in described each crowded material mouth with the pin extruder.

For the super heated rubber in each spacer shell flange (each crowded material mouth) is cooled off, offer water stream channel on the jacket wall of spacer shell flange.

In can determining on the patrix according to the four compounded rubber extrusion group of different model on mould crowded material mouth and spacer shell flange thereof, the middle mould in mould crowded material mouth and spacer shell flange thereof, down in the mould mould crowded material mouth and spacer shell flange thereof and down in the diameter of mould counterdie crowded material mouth and spacer shell flange thereof.

Advantage of the present utility model:

Determining of the crowded material mouth optimal angle of the utility model four compounded rubber extrusion device head guaranteed four rational locus of pin extruder being attached thereto, thereby optimized distribution, and is convenient to the I﹠M of other auxiliary facility.

(4) description of drawings:

Fig. 1 is the structural representation of a kind of embodiment of the utility model.

Figure number sign: 1, patrix; 2, go up middle mould; 3, middle mould; 4, down middle mould; 5, counterdie; 6, die holder; 7, mould crowded material mouth on the patrix; 8, go up mould crowded material mouth in the middle mould; 9, the down middle mould crowded material mouth of middle mould; 10, down middle mould counterdie crowded material mouth; 11, machine barrel; 12, spacer shell flange.

(5) specific embodiment:

Being example with 120/250/250/160 type four compounded rubber extrusion device head is described the technical scheme of the utility model patent.

The four compounded rubber extrusion group comprises four compounded rubber extrusion device head, four pin extruders, extruder frame, drawing-in device etc.Wherein four compounded rubber extrusion device head comprises patrix 1, upward middle mould 2, middle mould 3, down middle mould 4 and counterdie 5, middle mould 3 and the vertical die holder 6 whole extending transverselies that are connected, mould 2 and patrix 1 during middle mould 3 tops are followed successively by, mould 2 and patrix 1 are hinged by last hinge and middle mould 3 in going up; In mould 3 belows be followed successively by down middle mould 4 and counterdie 5, middle counterdie 4 and counterdie 5 are by down hinge and middle mould 3 hinge mutually.As shown in Figure 1.

Be illustrated in figure 1 as adjacent die body matched moulds state, patrix 1 and last between the mould 2, go up between mould 2 and the middle mould 3, middle mould 3 with down in formation inclination die joint between the mould 4, between down middle mould 4 and the counterdie, incline direction is from the charging aperture of the die body molding port to die body, die joint between patrix 1 and the last middle mould 2 and horizontal plane are in angle of 45 degrees, in going up between mould 2 and the middle mould 3 die joint become 18 to spend angles with horizontal plane, in mould 3 with down between the mould 4 die joint becomes-18 degree angles with horizontal plane, under between middle mould 4 and the counterdie die joint become-45 to spend angles with horizontal plane.

In Fig. 1, convenient in order to satisfy different process requirement and machining, in last, respectively be inlaid with removable runner plate on mould 2, middle mould 3, down middle mould 4, the counterdie 5, in runner plate according to the characteristics of rubber fluid, process different runners, the flow passage chamber of offering between each mould die joint is being communicated with charging aperture and molding port, flow passage chamber length is 470mm between patrix 1 and the last middle mould 2, flow passage chamber length is 550mm between upward middle mould 2 and the middle mould 3, flow passage chamber length is 550mm between middle mould 3 and the down middle mould 4, and flow passage chamber length is 500mm between down middle mould 4 and the counterdie.

Offer the crowded material mouth that connects extruder barrel on the die holder 6, described crowded material mouth is to ride four of back of the body formula structural configuration, be respectively mould crowded material mouth 8 in middle mould crowded material mouth 7 on the patrix, the upward middle mould, the down middle mould crowded material mouth 9 of middle mould and following middle mould counterdie crowded material mouth 10, described each crowded material mouth respectively by import to the outlet oblique setting, mould flow passage chamber during the outlet of each crowded material mouth is led on the patrix behind matched moulds respectively, go up in the mould mould flow passage chamber, middle mould down in the mould flow passage chamber and down in the charging aperture of mould counterdie flow passage chamber, as shown in Figure 1.

After the exit position of each crowded material mouth is determined, the angle of each crowded material mouth and middle mould median plane and length thereof just determined each crowded material mouth on the die holder 6 the final position, as shown in Figure 1: the axis and middle mould median plane (horizontal plane) angle of mould crowded material mouth 7 are 30 ° on the patrix, and middle mould crowded material mouth 7 length are 150～300mm on the patrix; Axis and middle mould median plane (horizontal plane) angle of going up mould crowded material mouth 8 in the middle mould are 10.5 °, and the length that goes up mould crowded material mouth 8 in the middle mould is 180～350mm; The axis and middle mould median plane (horizontal plane) angle of the down middle mould crowded material mouth 9 of middle mould are-5 °, and the length of the down middle mould crowded material mouth 9 of middle mould is 180～350mm; The axis and middle mould median plane (horizontal plane) angle of mould counterdie crowded material mouth 10 are-25 ° down.

Above-mentioned each crowded material mouth suit spacer shell flange 12 back connect the pin extruder, the diameter of each spacer shell flange 12 is respectively ￠ 120mm, ￠ 250mm, ￠ 250mm and ￠ 160mm, the machine barrel 11 of ￠ 120mm spacer shell flange 12 external ￠ 120 pin extruders, the machine barrel 11 of two ￠ 250mm spacer shell flange 12 external two ￠ 250 pin extruders, the machine barrel 11 of ￠ 160mm spacer shell flange 12 external ￠ 160 pin extruders.

Offer water stream channel on the jacket wall of each spacer shell flange 12.

Claims

1, four compounded rubber extrusion device head, comprise the patrix (1) that is installed on the die holder (6), mould (2) in going up, middle mould (3), mould (4) and counterdie (5) down, offer the crowded material mouth that connects extruder barrel on the die holder (6), described crowded material mouth is by four that ride back of the body formula structural configuration, mould crowded material mouth (7) in being respectively on the patrix, mould crowded material mouth (8) in the mould in going up, down middle mould crowded material mouth (9) of middle mould and down middle mould counterdie crowded material mouth (10), each crowded material mouth is obliquely installed to outlet by import, mould flow passage chamber on the patrix behind the outlet connection matched moulds of each crowded material mouth, mould flow passage chamber in the mould in going up, down middle mould flow passage chamber of middle mould and down middle mould counterdie flow passage chamber, it is characterized in that: the angle of mould crowded material mouth (7) axis and middle mould median plane is 27 °～33 ° on the patrix; Axis and the middle mould median plane angle of going up mould crowded material mouth (8) in the middle mould are 6 °～13 °; The axis and the middle mould median plane angle of the down middle mould crowded material mouth (9) of middle mould are-8 °～-2 °; The axis of mould counterdie crowded material mouth (10) and the angle of middle mould median plane are-28 °～-22 ° down; The length of each crowded material mouth is between 150～350mm.

2, four compounded rubber extrusion device head according to claim 1, it is characterized in that: the axis of mould crowded material mouth (7) and the angle of middle mould median plane are 30 ° on the patrix, going up the axis of mould crowded material mouth (8) in the middle mould and the angle of middle mould median plane is 10.5 degree, the axis of the down middle mould crowded material mouth (9) of middle mould and the angle of middle mould median plane are-5 degree, and the axis of down middle mould counterdie crowded material mouth (10) and the angle of middle mould median plane are-25 degree.

3, four compounded rubber extrusion device head according to claim 1 and 2 is characterized in that: be set with spacer shell flange (12) in described each crowded material mouth.

4, four compounded rubber extrusion device head according to claim 4 is characterized in that: the machine barrel (11) of the external pin extruder of each spacer shell flange (12).

5, four compounded rubber extrusion device head according to claim 4 is characterized in that: offer the water stream channel that super heated rubber is wherein cooled off on the jacket wall of spacer shell flange.