CN219466956U - Extrusion device for rubber production - Google Patents

Abstract

The utility model discloses an extrusion device for rubber production, which comprises: the frame, still include: the driving unit is arranged at the upper end of the frame and used for driving rubber raw materials to be conveyed; the extrusion unit is arranged at the side part of the driving unit; the extrusion unit includes: the extrusion assembly is arranged at the upper end of the frame and is matched with the driving unit to continuously extrude the rubber raw material; the homogenizing component is arranged at the upper end of the extrusion component and is used for homogenizing rubber raw materials in the extrusion component; the refining assembly includes: a transmission shaft; the lifting rod is positioned right below the transmission shaft. Through the screw rod with the raw materials at the inside extrusion process of barrel, drive unit drives the transmission shaft in step and rotates, and transmission shaft cooperation bellying drives the lifter and does reciprocating motion about along in the barrel, through setting up the inclined plane of different orientations in multiunit lifter lower part, cooperation spiral propelling movement to the even effect of extruded rubber raw materials distribution has been reached.

Description

Extrusion device for rubber production

Technical Field

The utility model relates to the technical field of rubber extrusion, in particular to an extrusion device for rubber production.

Background

The rubber extruder relies on pressure and shearing force that inside hob produced, carries out plasticization and evenly mixes the rubber raw materials, in current rubber extruder working process, the rubber raw materials is the same rotation direction and promotes all the time in the extrusion process of screw rod and barrel inside, and the extrusion orbit of rubber raw materials is single, leads to there is the clearance between the rubber material that is in between barrel and the screw rod, can not evenly distributed in the extrusion process, causes the rubber of extruding to exist the bubble in the use inside, influences the normal use of rubber after the shaping.

The foregoing is provided merely to facilitate an understanding of the principles of the utility model and is not intended to constitute an admission that the foregoing is of the closest prior art.

Disclosure of Invention

The utility model aims to provide an extrusion device for rubber production, which solves the problems that in the extrusion process proposed in the background art, the extrusion track of rubber is single, and bubbles exist in the formed rubber due to uneven distribution among rubber materials.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

an extrusion device for rubber production, comprising: the frame, still include:

the driving unit is arranged at the upper end of the frame and used for driving rubber raw materials to be conveyed;

the extrusion unit is arranged at the side part of the driving unit;

the extrusion unit includes:

the extrusion assembly is arranged at the upper end of the frame and is matched with the driving unit to continuously extrude the rubber raw material;

the homogenizing component is arranged at the upper end of the extrusion component and is used for homogenizing rubber raw materials in the extrusion component;

the refining assembly includes:

a transmission shaft;

the lifting rod is positioned right below the transmission shaft;

the lower ends of the adjacent lifting rods are respectively connected with a left inclined surface and a right inclined surface which are used for pushing rubber raw materials in the extrusion assembly to switch left and right.

Further, the driving unit includes:

the driving motor is connected to the upper end of the rack;

the screw rod is connected with the driving end of the driving motor;

the switching shaft is meshed with gears distributed on the outer side of the screw rod through a first transmission chain.

Further, the extrusion assembly includes:

comprises a clamping plate connected to the upper end of the frame;

the machine barrel is arranged inside the clamping plate;

the die head is connected to the discharge end of the machine barrel and is used for forming extruded rubber;

and the feeding hopper is connected with the feeding end of the machine barrel.

Further, the refining assembly further comprises:

the bracket is connected to the upper end of the rack;

the transmission shaft is rotationally connected inside the bracket;

the second transmission chain is used for linking the transmission shaft with the transfer shaft;

and a plurality of groups of protruding parts are arranged on the outer side of the transmission shaft.

Further, the lifting rods are provided with a plurality of groups, and the upper end of each group of lifting rods corresponds to the protruding part;

a reset spring is sleeved outside the lifting rod;

the lifting rod is arranged on the outer side of the lifting rod and is positioned at the lower end of the reset spring in a sleeved mode.

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

according to the utility model, in the process that the raw materials are extruded in the machine barrel by the screw, the driving unit synchronously drives the transmission shaft to rotate, the transmission shaft is matched with the convex part to drive the lifting rods to reciprocate up and down along the machine barrel, and the inclined surfaces with different orientations are arranged at the lower parts of the lifting rods, so that the extruded rubber raw materials are uniformly distributed, and no air bubble exists in the extruded rubber.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the extrusion assembly of the present utility model;

FIG. 3 is an enlarged view of the present utility model at A in FIG. 2;

fig. 4 is a diagram of the operation of the extrusion process of the present utility model.

Reference numerals: 1. a driving unit; 11. a frame; 12. a driving motor; 13. a screw; 14. a first drive chain; 15. a transfer shaft; 151. a support plate;

2. an extrusion unit; 21. a refining component; 22. an extrusion assembly; 211. a bracket; 212. a transmission shaft; 2121. a boss; 213. a second drive chain; 214. a mounting sleeve; 215. a lifting rod; 2151. a rolling ball; 2152. a left inclined surface; 2153. a right inclined surface; 216. a return spring; 221. clamping plates are arranged; 222. a barrel; 223. a die head; 224. and (5) a feeding hopper.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: an extrusion device for rubber production, comprising: the frame 11 further includes:

the driving unit 1 is arranged at the upper end of the frame 11 and is used for driving rubber raw materials to be conveyed;

an extrusion unit 2 provided on a side of the driving unit 1;

the extrusion unit 2 includes:

the extrusion assembly 22 is arranged at the upper end of the frame 11 and is matched with the driving unit 1 to continuously extrude the rubber raw material;

the homogenizing component 21 is arranged at the upper end of the extrusion component 22 and is used for homogenizing the rubber raw materials in the extrusion component 22;

the refining assembly 21 comprises:

a drive shaft 212;

a lifting rod 215 located directly below the transmission shaft 212;

the lower ends of the adjacent lifting rods 215 are respectively connected with a left inclined surface 2152 and a right inclined surface 2153 for pushing the rubber raw materials in the extrusion assembly 22 to switch left and right.

It should be noted that, in the process of extruding the rubber raw material by the driving unit 1 driving the extruding assembly 22, the rubber raw material is spirally pushed between the screw 13 and the machine barrel 222, and there is a phenomenon that bubbles appear inside the rubber raw material after the raw material is extruded due to uneven distribution between the screw 13 and the machine barrel 222, therefore, in the process of extruding the raw material inside the machine barrel 222 by the screw 13, the driving unit 1 synchronously drives the transmission shaft 212 to rotate, the transmission shaft 212 cooperates with the protruding part 2121 to drive the lifting rod 215 to reciprocate up and down along the machine barrel 222, when the lifting rod 215 moves to the lower part, as shown in fig. 4, the left inclined surface 2152 extrudes the raw material between the screws 13 from a to b while spirally pushing the raw material between the screws 13, and meanwhile, the right inclined surface 2153 extrudes the raw material from b to a while spirally pushing the raw material inside the rubber raw material to be uniformly distributed through back and forth, so that the distribution of the extruded rubber raw material is achieved by arranging inclined surfaces with different directions under the plurality of groups of lifting rods 215, and matching with the spiral pushing, thus achieving the effect that the extruded rubber raw material is uniformly distributed and the raw material inside the rubber is not present.

As a modification, as shown in fig. 1, the driving unit 1 includes:

the driving motor 12 is connected to the upper end of the frame 11;

the screw rod 13 is connected to the driving end of the driving motor 12;

the transfer shaft 15 is meshed with gears distributed on the outer side of the screw 13 through a first transmission chain 14;

the adapter shaft 15 is mounted on the upper end of the frame 11 through a support plate 151 sleeved outside the adapter shaft.

Further, as shown in fig. 2, the extrusion assembly 22 includes:

comprises a clamping plate 221 connected to the upper end of the frame 11;

a cylinder 222 installed inside the clamping plate 221;

the die head 223 is connected to the discharge end of the machine barrel 222 and is used for forming extruded rubber;

and a feed hopper 224 connected to the feed end of the barrel 222.

Wherein, as shown in fig. 2-3, the refining assembly 21 further comprises:

a bracket 211 connected to the upper end of the frame 11;

a transmission shaft 212 rotatably connected inside the bracket 211;

a second transmission chain 213 for linking the transmission shaft 212 with the adapter shaft 15;

a plurality of sets of protrusions 2121 are provided on the outside of the drive shaft 212.

In addition, as shown in fig. 3 to 4, the lifting rods 215 are provided with a plurality of groups, and the upper end of each group of lifting rods 215 corresponds to the protruding part 2121;

a reset spring 216 is sleeved outside the lifting rod 215;

the outer side of the lifting rod 215 and positioned at the lower end of the return spring 216 are sleeved with a mounting sleeve 214;

the mounting sleeve 214 is mounted outside the barrel 222;

the contact of the lift pin 215 with the boss 2121 preferably uses a ball 2151 embedded within the lift pin 215.

During the use, pour rubber raw materials into the feeder hopper 224, start driving motor 12, driving motor 12 rotates through screw rod 13, screw rod 13 is through the rubber in the feeder hopper 224 along the inside propelling movement of barrel 222 and in the extrusion molding of die head 223 department, simultaneously, screw rod 13 still drives the switching axle 15 through first drive chain 14 and rotates, switching axle 15 drives transmission shaft 212 through the second drive chain 213 and rotates, transmission shaft 212 is through the cooperation with bellying 2121, promote the intermittent compression reset spring 216 of lifter 215, make right inclined plane 2153 and left inclined plane 2152 keep away from screw rod 13 after being close to screw rod 13 for a period again, make screw rod 13 and left inclined plane 2152 and right inclined plane 2153 between by the rubber raw materials of compaction can in time shift, avoid the too crowding of rubber in the barrel 222 to cause screw rod 13 to be difficult to push, and then burn driving motor 12.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. An extrusion device for rubber production, comprising: frame (11), characterized in that it further comprises:

the driving unit (1) is arranged at the upper end of the frame (11) and is used for driving rubber raw materials to be conveyed;

an extrusion unit (2) arranged at the side part of the driving unit (1);

the extrusion unit (2) comprises:

the extrusion assembly (22) is arranged at the upper end of the frame (11) and is matched with the driving unit (1) to continuously extrude the rubber raw material;

the material homogenizing component (21) is arranged at the upper end of the extrusion component (22) and is used for homogenizing rubber raw materials in the extrusion component (22);

the refining assembly (21) comprises:

a drive shaft (212);

the lifting rod (215) is positioned right below the transmission shaft (212);

the lower ends of the adjacent lifting rods (215) are respectively connected with a left inclined surface (2152) and a right inclined surface (2153) for pushing rubber raw materials in the extrusion assembly (22) to be switched left and right.

2. The extrusion device for rubber production according to claim 1, wherein:

the drive unit (1) comprises:

the driving motor (12) is connected to the upper end of the frame (11);

the screw rod (13) is connected to the driving end of the driving motor (12);

the switching shaft (15), the switching shaft (15) is meshed with the gear distributed outside the screw rod (13) through the first transmission chain (14).

3. An extrusion apparatus for rubber production according to claim 1 or 2, characterized in that:

the extrusion assembly (22) includes:

comprises a clamping plate (221) connected to the upper end of the frame (11);

a machine barrel (222) mounted inside the clamping plate (221);

the die head (223) is connected to the discharge end of the machine barrel (222) and is used for performing forming work on extruded rubber;

and the feed hopper (224) is connected with the feeding end of the machine barrel (222).

4. An extrusion apparatus for rubber production according to claim 2, wherein:

the refining assembly (21) further comprises:

the bracket (211) is connected to the upper end of the frame (11);

a transmission shaft (212) rotatably connected to the inside of the bracket (211);

the second transmission chain (213) is used for linking the transmission shaft (212) with the switching shaft (15);

a plurality of groups of protruding parts (2121) are arranged on the outer side of the transmission shaft (212).

5. The extrusion device for producing rubber according to claim 4, wherein:

the lifting rods (215) are provided with a plurality of groups, and the upper end of each group of lifting rods (215) corresponds to the protruding part (2121);

a reset spring (216) is sleeved outside the lifting rod (215);

and a mounting sleeve (214) is sleeved at the outer side of the lifting rod (215) and positioned at the lower end of the return spring (216).