Production equipment of low-heat-generation rubber composite material for tire tread

Abstract

The utility model relates to the field of rubber production, and discloses production equipment of a low-heat-generation rubber composite material for a tire tread, which comprises a feed hopper, a feed chute is formed in the top of the feed hopper and penetrates through the bottom of the feed hopper, the bottom of the feed hopper is fixedly connected with a working bin, and mixing rods are symmetrically arranged at the bottom of the working bin. Through grooves are formed in the front portion and the rear portion of the working bin in a penetrating mode, one ends of the two mixing rods penetrate through the through grooves close to the front portions and are rotationally connected with connecting plates, the front portions of the two connecting plates are fixedly connected with connecting blocks, the front portions of the two sides of the working bin close to the front portions are fixedly connected with fixing blocks, and a screw rod is rotationally connected between the two fixing blocks. The screw rod is arranged to be matched with the two connecting blocks, and when rubber composite materials with different formulas are mixed, the distance between the two stirring shafts can be adjusted according to the characteristics of raw materials and compounding ingredients.

Description

TECHNICAL FIELD

[0001] The utility model relates to rubber production field, concretely is a kind of low heat generation rubber composite material production equipment for tire tread. BACKGROUND

[0002] Low heat generation rubber composite material production equipment for tire tread is the professional production tool in rubber production field for specific product, it includes mixing mill, open mill, extruder, vulcanizing machine and other components, these equipment first mixes rubber raw material with filler, vulcanizing agent and other blending agent in mixing mill, then further processes by open mill, then is shaped into tire tread shape by extruder, then vulcanizes using vulcanizing machine, finally is made into low heat generation rubber composite material.

[0003] Chinese patent with disclosure number CN209191039U discloses a rubber mixing mill, comprising a machine body with top and bottom openings, two roller cylinders are arranged left and right in the top of the machine body, the two roller cylinders are flush in height and have a spacing between them; two front and rear slide rails are arranged above the machine body, a sliding feeding pipe is arranged on the two slide rails, and a feeding hopper is connected to the top of the feeding pipe; a discharge chute is arranged below the machine body, a horizontal conveying belt is arranged at the bottom end inside the machine body, the horizontal conveying belt transports from right to left, and the horizontal conveying belt is located above the discharge chute; the left end of the discharge chute extends to the left side of the machine body.

[0004] The above patent adds rubber and additives to the space between the two roller cylinders through the feeding pipe from the feeding hopper, then mixes, and becomes rubber after mixing, then falls onto the horizontal conveying belt, the rubber is cut by the rubber cutting knife driven by the sliding motor, and the cut rubber falls into the discharge chute through the horizontal conveying belt, which is convenient to operate, and the feeding pipe can be adjusted in position on the slide rail, and the roller cylinder can adjust the spacing through the push-pull motor, which is highly adaptable and suitable for production, but the spacing between the two roller cylinders of the patent is fixed, so the mixing method for different rubber compounds is fixed, which limits its mixing demand for various special rubber compounds. Therefore, the utility model provides a low heat generation rubber composite material production equipment for tire tread. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a low heat generation rubber composite material production equipment for tire tread, by setting screw rod cooperates two connecting blocks, when mixing different formula rubber composite materials, according to the characteristics of raw materials and blending agent, the distance between two stirring shafts can be adjusted.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a kind of low heat generation rubber composite material production equipment for tire tread, including feed hopper, the top of the feed hopper is perforated and bottom is provided with feed slot, the bottom of feed hopper is fixedly connected with working bin, the bottom of working bin is symmetrically provided with mixing rod, the front and rear of working bin are both perforated and provided with through slot, the one end of two mixing rods is both rotationally connected with connecting plate by being perforated and being close to the front part of through slot, the front of two connecting plates is fixedly connected with connecting block, the two sides of working bin are close to the front part and are both fixedly connected with fixed block, two fixed blocks are rotationally connected with screw rod.

[0007] Preferably, the side of the fixed block close to one side is fixedly connected with motor, the output shaft of motor is perforated and fixedly connected with the one end of screw rod close to one side.

[0008] Preferably, the thread groove of the screw rod is composed of two small thread grooves that are mutually symmetrical, and the two connecting blocks are threadedly connected with the screw rod through the two small thread grooves respectively.

[0009] Preferably, the connecting plate is slidably connected with the working bin, and the mixing rod is spiral.

[0010] Preferably, the front and rear of the inside of working bin close to top are both symmetrically fixedly connected with baffle, and the front and rear of the inside of working bin close to bottom are also both fixedly connected with baffle, the baffle is arranged in inclined state, and the baffle located at top and the baffle located at bottom are mutually symmetrical.

[0011] Preferably, the inside of working bin close to one side is provided with discharge slot, the inside of discharge slot is rotationally connected with discharge plate, the rear of discharge plate close to one end is fixedly connected with rotating rod by being perforated and being close to the rear of working bin, the outer surface of rotating rod is threadedly connected with fastening cap, and the rear of working bin is extruded by fastening cap.

[0012] Preferably, the other end of two mixing rods is both rotationally connected with fixed plate by being perforated and being close to the rear of through slot, the rear of fixed plate is slidably connected with the rear of working bin, the rear of two fixed plates is both fixedly connected with motor, and the output shaft of motor is fixedly connected with the other end of mixing rod by being perforated and being close to the front of fixed plate.

[0013] Compared with prior art, the utility model has the beneficial effects that:

[0014] 1) by setting screw cooperate two connecting block, rotate screw, drive two connecting block away from each other, and then through two connecting plate drive two mixing rods along the front part of the slot away from each other, so that the distance between the two mixing rods increases, so when mixing different formula rubber composite material, according to the characteristics of raw materials and blending agent, the distance between the two stirring shafts can be adjusted, for the rubber containing more fiber blending agent, appropriate increase the distance between the stirring shafts can reduce the fiber breakage, and for the formula which needs stronger shear force, the distance between the stirring shafts can be reduced.

[0015] 2) by setting the baffle, because two mixing rods are synchronous but different direction rotation, so when mixing rubber, the rubber will not move forward and backward, only in the original continuous mixing, so the rubber will not leak through the slot, and when the rubber enters the working chamber from the hopper, it will be blocked by the two baffles on the top, so the rubber will only fall into the working chamber and between the two baffles on the top, so as to further avoid the leakage of rubber from the slot. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of a low heat build-up rubber composite material production equipment for tire tread in the embodiment of the utility model;

[0017] Figure 2 It is a working chamber internal structure display view in the embodiment of the utility model;

[0018] Figure 3 It is a working chamber analysis split view in the embodiment of the utility model;

[0019] Figure 4 It is an overall structure bottom view in the embodiment of the utility model.

[0020] In the drawing: 1, hopper; 2, feed slot; 3, working chamber; 4, mixing rod; 5, baffle; 6, slot; 7, connecting plate; 8, connecting block; 9, fixed block; 10, screw; 11, motor; 12, discharge plate; 13, rotating rod; 14, fastening cap; 15, fixed plate; 16, motor; 17, discharge slot. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] Embodiment one

[0023] In combination Figure 1 - Figure 4 The utility model provides a low heat build-up rubber composite material production device for tire tread, including feed hopper 1, the top of feed hopper 1 is equipped with feed slot 2 through bottom, the bottom of feed hopper 1 is fixedly connected with working bin 3, the bottom of working bin 3 is symmetrically provided with mixing rod 4, the front and rear of working bin 3 are all equipped with through slot 6, one end of two mixing rods 4 is all rotatably connected with connecting plate 7 through the through slot 6 of front part, the front of two connecting plates 7 is fixedly connected with connecting block 8, the front of both sides of working bin 3 is fixedly connected with fixed block 9, and the rotatable connection of two fixed blocks 9 is provided with screw rod 10.

[0024] In actual operation, the rubber raw materials and the compounding agent are put into the inside of the feed hopper 1 through the feed slot 2, and then fall into the inside of the working bin 3, at this time, the two mixing rods 4 are reversed simultaneously, and then the rubber raw materials and the compounding agent are mixed until the mixing is completed.

[0025] Specifically, the screw rod 10 is rotated to drive the two connecting blocks 8 to move away from each other, and then the two mixing rods 4 are driven to slide away from each other along the through slot 6 of the front part through the two connecting plates 7, so that the distance between the two mixing rods 4 is increased. Therefore, when mixing rubber composites of different formulations, the distance between the two stirring shafts can be adjusted according to the characteristics of the raw materials and the compounding agent. For rubber containing more fibrous compounding agent, appropriately increasing the distance between the stirring shafts can reduce the breakage of fibers, and for formulations requiring stronger shear force, the distance between the stirring shafts can be reduced.

[0026] Referring to Figure 2 and Figure 3 One side of the fixed block 9 on one side is fixedly connected with the motor 11, and the output shaft of the motor 11 penetrates the fixed block 9 on one side and is fixedly connected with one end of the screw rod 10.

[0027] Specifically, the motor 11 is started to drive the screw rod 10 to rotate, and then drive the two connecting blocks 8 to slide away from each other.

[0028] Referring to Figure 2 and Figure 3 The thread groove of the screw rod 10 is composed of two symmetrical small thread grooves, and the two connecting blocks 8 are threadedly connected with the screw rod 10 through the two small thread grooves.

[0029] Referring to Figure 2 and Figure 3 The connecting plate 7 is slidably connected with the working bin 3, and the mixing rod 4 is spiral.

[0030] Referring to the drawings Figure 2 and Figure 3The inside of the working bin 3 is symmetrically and fixedly connected with the material blocking plates 5 at the top front and rear, and the inside of the working bin 3 is also fixedly connected with the material blocking plates 5 at the bottom front and rear, the material blocking plates 5 are arranged in an inclined state, and the material blocking plates 5 at the top and the material blocking plates 5 at the bottom are symmetrically arranged.

[0031] Specifically, since the two mixing rods 4 rotate synchronously but in different directions, the rubber will not move forward and backward during the mixing process, and will only be continuously mixed, so the rubber will not leak out through the through slot 6, and when the rubber enters the working bin 3 from the feeding hopper 1, it will be blocked by the two material blocking plates 5 at the top, and the rubber will only fall into the working bin 3 between the two material blocking plates 5 at the top, so that the rubber is further prevented from leaking out through the through slot 6.

[0032] Referring to Figure 4 The inside of the working bin 3 is symmetrically and fixedly connected with the material blocking plates 5 at the top front and rear, and the inside of the working bin 3 is also fixedly connected with the material blocking plates 5 at the top front and rear, the material blocking plates 5 are arranged in an inclined state, and the material blocking plates 5 at the top and the material blocking plates 5 at the bottom are symmetrically arranged.

[0033] Specifically, after the rubber mixing is completed, the two mixing rods 4 rotate synchronously and in the same direction, driving the rubber to move, and will not continue to mix the rubber, at this time, the fastening cap 14 is loosened, the rotating rod 13 is rotated, the discharging plate 12 is rotated in the discharging slot 17, and the discharging slot 17 is opened, at this time, the mixed rubber can be discharged through the discharging slot 17, and the mixed rubber is blocked by the two material blocking plates 5 at the bottom, so that it cannot leak out through the through slot 6.

[0034] Referring to Figure 4 The other end of the two mixing rods 4 penetrates through the rear through slot 6 and is rotatably connected with the fixed plates 15, the fixed plates 15 are slidably connected with the rear of the working bin 3, the rear of the two fixed plates 15 is fixedly connected with the motors 16, and the output shaft of the motor 16 penetrates through the front of the fixed plate 15 and is fixedly connected with the other end of the mixing rod 4.

[0035] Specifically, the two motors 16 are started synchronously, which can synchronously drive the two mixing rods 4 to rotate synchronously, and then the mixing process is started.

[0036] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A low heat build-up rubber composite material production apparatus for tire tread, comprising a feeding hopper (1), a feeding slot (2) is provided through the top and the bottom of the feeding hopper (1), characterized in that: The bottom of the feeding hopper (1) is fixedly connected with a working bin (3), the bottom of the working bin (3) is symmetrically provided with mixing rods (4), the front and rear parts of the working bin (3) are both provided with through grooves (6), one end of the two mixing rods (4) is rotatably connected with a connecting plate (7) through the through groove (6) at the front part, the front parts of the two connecting plates (7) are fixedly connected with connecting blocks (8), the two sides of the working bin (3) are both fixedly connected with fixed blocks (9) at the front part, and the two fixed blocks (9) are rotatably connected with a screw rod (10).

2. The apparatus for producing a low heat build-up rubber composite material for a tire tread according to claim 1, characterized by: One side of the fixed block (9) is fixedly connected with a motor (11), and the output shaft of the motor (11) penetrates the fixed block (9) on one side and is fixedly connected with one end of the screw rod (10).

3. The apparatus for producing a low heat build-up rubber composite material for a tire tread according to claim 1, characterized by: The screw groove of the screw rod (10) is composed of two small screw grooves which are symmetrical to each other, and the two connecting blocks (8) are threadedly connected with the screw rod (10) through the two small screw grooves.

4. The apparatus for producing a low heat build-up rubber composite material for a tire tread according to claim 1, characterized by: The connecting plate (7) is slidably connected with the working bin (3), and the mixing rod (4) is in a spiral shape.

5. The apparatus for producing a low heat build-up rubber composite material for a tire tread according to claim 1, characterized by: The inside of the working bin (3) is symmetrically fixedly connected with a baffle (5) at the top front and rear parts, and the inside of the working bin (3) is also fixedly connected with a baffle (5) at the bottom front and rear parts, the baffles (5) are arranged in an inclined state, and the baffles (5) at the top and the baffles (5) at the bottom are symmetrical to each other.

6. The apparatus for producing a low heat build-up rubber composite material for a tire tread according to claim 1, characterized by: A discharging groove (17) is formed in the inside of the working bin (3) on one side, a discharging plate (12) is rotatably connected in the discharging groove (17), a rotating rod (13) is fixedly connected at the rear part of the discharging plate (12) and penetrates the rear part of the working bin (3), a fastening cap (14) is threadedly connected with the outer surface of the rotating rod (13), and the fastening cap (14) is in extrusion with the rear part of the working bin (3).

7. The apparatus for producing a low heat build-up rubber composite material for a tire tread according to claim 1, characterized by: The other end of the two mixing rods (4) is rotatably connected with a fixed plate (15) through the through groove (6) at the rear part, the fixed plate (15) is slidably connected with the rear part of the working bin (3), the rear parts of the two fixed plates (15) are both fixedly connected with a motor (16), and the output shaft of the motor (16) penetrates the front part of the fixed plate (15) and is fixedly connected with the other end of the mixing rod (4).

Images