CN211164784U

CN211164784U - Rubber mixing machine

Info

Publication number: CN211164784U
Application number: CN201922083543.5U
Authority: CN
Inventors: 郑明爱
Original assignee: Hubei Chennuo Pharmacertical Packaging Technology Co ltd
Current assignee: Hubei Chennuo Pharmacertical Packaging Technology Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-08-04
Anticipated expiration: 2029-11-26

Abstract

The utility model relates to a rubber processing equipment technical field, concretely relates to rubber mixing machine, include: the rubber refining mechanism comprises two rubber refining rollers side by side, a motor in transmission connection with the rubber refining rollers, and a rubber refining barrel for accommodating the rubber refining rollers, a rubber refining gap is formed between the rubber refining rollers, a feeding port and a discharging port are respectively formed in the upper part and the lower part of the rubber refining barrel opposite to the rubber refining gap, and an eccentric bulge is formed on the surface of the rubber refining roller; the rubber cleaning mechanism comprises a driving part and a scraper, the driving part is elastically connected with the scraper, and the scraper penetrates through the rubber mixing cylinder, extends into the rubber mixing cylinder and is abutted against the surface of the rubber mixing roller. The rubber mixing machine provided by the utility model adopts the rubber mixing roller with the eccentric bulge to mix rubber, so that the plasticizing effect can be improved; the residue on the surface of the rubber mixing roller can be cleaned in real time through the scraper connected with the rubber mixing roller in an elastic mode.

Description

Rubber mixing machine

Technical Field

The utility model relates to a rubber processing equipment technical field, concretely relates to rubber mixing machine.

Background

In the production process of various rubber products such as medical rubber bottle stoppers, raw rubber is required to be plasticated, and a rubber mixing machine is usually required. The raw rubber is extruded and sheared between two rotary rollers of a rubber mixing machine, so that rubber macromolecules are broken. Since the raw rubber is generally composed of a linear organic polymer or a branched linear organic polymer, its application range is very limited under the action of external force. Plastication by a rubber mixer is the most widely used and effective plasticizing process. The rubber mixing roller of the existing rubber mixing machine has a single structure, and the general rubber mixing roller is cylindrical, so that the plasticizing effect is limited after rubber mixing; the problem to be solved in the actual use process is that the residual colloid on the rubber refining roller after rubber refining cannot be timely treated.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a rubber mixing machine, its technical scheme as follows:

a rubber mixing mill, comprising:

the rubber refining mechanism comprises two rubber refining rollers arranged side by side, a motor in transmission connection with the rubber refining rollers, and a rubber refining barrel for accommodating the rubber refining rollers, wherein a rubber refining gap is formed between the two rubber refining rollers, the rubber refining barrel is positioned above and below the rubber refining gap and is respectively provided with a feed inlet and a discharge outlet, eccentric bulges are formed on the surfaces of the rubber refining rollers, and the two times of the maximum distance from the surface of each eccentric bulge to the axis of the rubber refining roller where the eccentric bulge is positioned are smaller than the distance between the axes of the two rubber refining rollers;

clear gluey mechanism, it includes drive division and scraper blade, the drive division install in it is outer to smelt the rubber tube, the drive division with scraper blade elastic connection, the scraper blade passes smelt the trompil of rubber tube extend to smelt in the rubber tube, and the butt in it smelts the rubber roller surface.

The utility model provides a technical scheme includes following beneficial effect at least:

the rubber mixing machine provided by the utility model adopts the rubber mixing roller with the eccentric bulge to mix rubber, so that the rubber mixing gap between the rubber mixing rollers can be continuously changed, thereby improving the plasticizing effect; in addition, the scraping plates which are connected through the elasticity can clean residues on the surface of the rubber mixing roller in real time.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

In the present invention, unless otherwise expressly specified or limited, the term "disposed" is to be understood in a broad sense and can be either a static connection or a dynamic connection, a non-removable connection or a removable connection, or resting thereon or in a particular orientation; the fixed connection and the installation connection are static connection; the sleeve joint can be a sleeve joint which is sleeved outside a certain part without contacting, a sleeve joint which is sleeved outside the certain part and is in threaded connection with the certain part, or a sleeve joint which is sleeved outside the certain part and is in detachable connection; "threaded connection" means a connection by thread engagement, rotation; "rotationally connected" means connected by balls, rollers, etc., and one or both of the two connectors can rotate; the term "transmission connection" refers to a connection mode that is indirectly connected by means of a chain, a conveyor belt or a connecting rod and acts synchronously; "communicate" means "fixed" or "connected" together and the internal spaces are in communication; "elastic connection" means that the connection is realized by a spring, a spring sheet or other components capable of generating deformation; "electrically connected" means that the electronic components are connected by a conductive medium; unless otherwise specifically defined, the specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

Drawings

FIG. 1 is a schematic cross-sectional view of a rubber mixing machine provided by an embodiment of the present invention with a discharge gate closed;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a schematic cross-sectional view of an alternative rubber mixing mill with the discharge gate open according to an embodiment of the present invention;

FIG. 4 is an enlarged schematic view at B in FIG. 3;

in the figure:

1 rubber refining mechanism, 10 rubber refining rollers, 100 rubber refining gaps, 101 eccentric protrusions, 12 rubber refining cylinders, 120 feed inlets, 1200 feed pipes, 121 discharge ports, 13 discharge gates,

2 glue cleaning mechanism, 20 driving part, 200 driving shell, 201 spring, 202 hinge rod, 203 spring sheet, 21 scraper,

3 plasticizing mechanism, 30 plasticizing plates, 300 pressing plates, 301 inserting plates and 31 driving pieces.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention. In the description of the present invention, it is to be understood that the terms "first", "second", "third", "fourth", "fifth", and the like are used merely for distinguishing between descriptions and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are used to indicate an orientation or positional relationship based on that shown in the drawings, it is only for convenience of description and simplicity of description, and it is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-4, a rubber mixing machine includes a rubber mixing mechanism 1 and a rubber cleaning mechanism 2, wherein the rubber mixing mechanism 1 can mix and extrude various raw materials such as raw rubber and carbon black, and mix them into a rubber product with desired plasticity. The glue cleaning mechanism 2 can clean residues attached to the surface of the glue mixing roller 10 in the glue mixing process in real time.

The rubber refining mechanism 1 comprises two rubber refining rollers 10 arranged side by side, a motor (not shown in the drawing) in transmission connection with the rubber refining rollers 10, and a rubber refining cylinder 12 for accommodating the rubber refining rollers 10, a rubber refining gap 100 is formed between the two rubber refining rollers 10, a feeding hole 120 and a discharging hole 121 are respectively formed in the upper portion and the lower portion of the rubber refining cylinder 12 in the rubber refining gap 100, and an eccentric bulge 101 is formed on the surface of the rubber refining rollers 10; in the process that the two rubber refining rollers 10 are driven by the motor to rotate, due to the fact that the eccentric protrusions 101 are formed on the surfaces of the rubber refining rollers 10, the width of the rubber refining gap 100 is constantly changed, different shearing forces are generated on rubber, the rubber is continuously kneaded, and the effect of continuously refining rubber and plasticizing is achieved. Specifically, the motor is disposed outside the rubber refining cylinder 12, and both the two rubber refining rollers 10 are provided with rotating shafts (not shown in the drawings), and the two rotating shafts are respectively in transmission connection with output shafts of the motor. The distance between the two rotating shafts is constant all the time, the two rubber refining rollers 10 are arranged side by side along the length direction of the rubber refining rollers, the rubber refining rollers 10 are integrally in a long column shape, the cross section of the rubber refining rollers is in a cam shape, and the protruding part is the eccentric protrusion 101 of the rubber refining rollers. The two times of the maximum distance from the surface of each eccentric bulge 101 to the axle center of the rubber mixing roller 10 is smaller than the distance between the two rotating shafts, so that a rubber mixing gap 100 is always reserved between the two rubber mixing rollers 10 in the rotating process of the two rubber mixing rollers.

The glue cleaning mechanism 2 comprises a driving part 20 and a scraper 21, the driving part 20 is installed outside the glue refining cylinder 12, the driving part 20 is elastically connected with the scraper 21, and the driving scraper 21 penetrates through the opening of the glue refining cylinder 12, extends into the glue refining cylinder 12 and is abutted to the surface of the glue refining roller 10. Specifically, the driving portion 20 always generates an acting force for pressing the scraper 21 against the surface of the rubber mixing roller 10, and the scraper 21 is elastically connected with the driving portion 20, specifically, the scraper 21 can be connected with other components in a combination manner through a spring, an elastic sheet or an elastic sheet, so that the scraper 21 can always press against the surface of the rubber mixing roller 10.

The rubber mixing machine provided by the utility model adopts the rubber mixing roller 10 with the eccentric bulge 101 to mix rubber, so that the rubber mixing gap between the rubber mixing rollers can be continuously changed, and the plasticizing effect can be improved; the residues on the surface of the rubber mixing roller 10 can be cleaned in real time through the scraper 21 which is connected elastically.

Referring to fig. 2, in an embodiment of the driving portion 20, the driving portion 20 includes a driving shell 200 and a spring 201, one end of the spring 201 is fixed on the inner bottom surface of the driving shell 200, the other end abuts against one end of the scraper 21, and the other end of the scraper 21 extends into the rubber refining cylinder 12 and abuts against the surface of the rubber refining roller 10. Specifically, drive shell 200 is detachable installs in the trompil position of smelting packing element 12, takes out scraper blade 21 and spring 201 during convenient maintenance, and spring 201 sets up in its inside, and spring 201 butt is in scraper blade 21 terminal surface, and drive shell 200 can cover the trompil position of smelting packing element 12, prevents that the dust from entering into to smelting in the packing element 10.

As shown in fig. 4, in another embodiment of the driving portion 20, the driving portion 20 includes a plurality of hinge rods 202 and a resilient tab 203, the hinge rods 202 are disposed along the length direction of the scraping plate 21, and the middle portions thereof are hinged to the outer wall of the rubber mixing cylinder 12, one end of the hinge rod 201 is connected to one end of the scraping plate 21 extending out of the rubber mixing cylinder 12, and the resilient tab 203 is connected between the other end of the hinge rod 201 and the outer wall of the rubber mixing cylinder 12. More specifically, the hinge rod 202 is detachably connected to the scraper 21, and the hinge rod 202 is detachably connected to the elastic piece 203. In this way, in the present embodiment, due to the cooperation of the plurality of hinge rods 202 and the elastic sheet 203, an acting force can be generated on the rubber mixing roller 10 by the scraper 21, and since the hinge rods 202 are detachably connected to the elastic sheet 203 and the hinge rods 202 are arranged in plurality along the length direction of the scraper 21 (generally, the rubber mixing cylinder 12 is a long cylinder, and fig. 4 shows a cross-sectional structure thereof), different acting forces generated on the scraper 21 by the hinge rods 202 are determined by the number of the elastic sheets 203 connected to the hinge rods 202, so as to adjust the pressing force generated by the scraper 21 on the rubber mixing roller 10, thereby facilitating the adjustment of the cleaning force on the rubber mixing roller 10 and preventing the rubber mixing roller 10 from being damaged.

The utility model provides a rubber mixing machine in further embodiment, still include plasticization mechanism 3, it includes plasticization board 30, and the driving piece 31 of being connected with plasticization board 30 transmission, plasticization board 30 includes clamp plate 300, and by clamp plate 300 one side to smelting picture peg 301 that extends in packing element 12, feed inlet 120 forms inlet pipe 1200, driving piece 31 drives clamp plate 300 and seals feed inlet 120 in removing to inlet pipe 1200 by smelting a packing element 12 outward to drive picture peg 301 and insert or take out and smelt gluey clearance 100. The drive 31 can be a hydraulic cylinder or a reciprocating motor. The platen 300 is sized to fit the feed inlet 120 and is capable of sealing the feed inlet 120. When the insert plate 301 is inserted into or pulled out of the rubber mixing gap 100, the width of the rubber mixing gap 100 is constantly changed, so that the rubber is pressed against or not pressed on the insert plate 301, and the plasticizing effect is further improved.

Specifically, the inserting plate 301 is detachably connected with the pressing plate 300, the thickness of the inserting plate 301 meets the requirement of continuous pulling and inserting, and the inserting plate 301 is detachably connected with the pressing plate 300, so that the inserting plate 301 is detached and cleaned after mixing is completed.

The utility model provides a rubber mixing machine, rubber mixing mechanism 1 still include with the row's bin gate 13 of the 12 pin joints of rubber refining cylinder, be used for the closure of bin outlet. The mixing is completed by means of a manually opened discharge gate 13 or a hydraulic lever (not shown in the figures) driven opening.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A rubber mixing mill, characterized by, includes:

2. A rubber mixing machine according to claim 1, characterized in that the driving part comprises a driving shell and a spring, one end of the spring is fixed on the inner bottom surface of the driving shell, the other end of the spring abuts against one end of the scraper, and the other end of the scraper extends into the rubber mixing cylinder and abuts against the surface of the rubber mixing roller.

3. The rubber mixing mill of claim 2, wherein the drive shell is detachably mounted at the opening of the mixing drum.

4. The rubber mixing machine as claimed in claim 1, wherein the driving part comprises a plurality of hinge rods and a spring plate, the hinge rods are arranged along the length direction of the scraping plates, the middle parts of the hinge rods are hinged to the outer wall of the rubber mixing cylinder, one end of each hinge rod is connected to one end of each scraping plate extending out of the rubber mixing cylinder, and the spring plate is connected between the other end of each hinge rod and the outer wall of the rubber mixing cylinder.

5. The rubber mixing machine of claim 4, wherein the hinge rod is detachably connected with the scraper, and the hinge rod is detachably connected with the elastic sheet.

6. A rubber mixing mill according to any one of claims 1-5, characterized by further comprising a plasticizing mechanism, which includes a plasticizing plate and a driving member in transmission connection with the plasticizing plate, wherein the plasticizing plate includes a pressing plate and an inserting plate extending from one side of the pressing plate into the rubber mixing barrel, the feeding port forms a feeding pipe, the driving member drives the pressing plate to move from the outside of the rubber mixing barrel to the inside of the feeding pipe to seal the feeding port, and drives the inserting plate to be inserted into or pulled out of the rubber mixing gap.

7. The rubber mixing mill of claim 6, further comprising a discharge gate pivotally connected to the mixing drum.