CN219133183U

CN219133183U - Combined rubber extruder

Info

Publication number: CN219133183U
Application number: CN202223471486.6U
Authority: CN
Inventors: 田家峰
Original assignee: Hebei Tiansun Rubber & Plastic Products Co ltd
Current assignee: Hebei Tiansun Rubber & Plastic Products Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-06-06
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to the technical field of rubber production equipment, in particular to a composite rubber extruder. Including the board, be provided with first screw extruder and second screw extruder on the board, the front end of first screw extruder is provided with first aircraft nose, the front end of second screw extruder is provided with the second aircraft nose, first aircraft nose is provided with the first runner that runs through its both ends, first aircraft nose is provided with the second runner in the top of first runner, the terminal surface of first aircraft nose is run through to the one end that first screw extruder was kept away from to the second runner, the discharge opening has been constituteed to second runner and second runner, first aircraft nose top is provided with down the injecting rubber pipe, be provided with the injecting rubber runner with the second runner intercommunication down in the injecting rubber pipe, the top of injecting rubber pipe is provided with external screw thread portion down, the bottom of second aircraft nose is provided with the injecting rubber pipe, it is provided with the cutting ferrule nut and the fender dish that is used for blockking the cutting ferrule nut that are used for with external screw thread portion connection to go up the injecting rubber pipe outside. The utility model has simple structure and lower cost.

Description

Combined rubber extruder

Technical Field

The utility model relates to the technical field of rubber production equipment, in particular to a composite rubber extruder.

Background

In rubber industry production, the composite extruder is mainly used for extruding composite tire treads, sealing rubber strips, color tire treads, rubber tube composite extrusion, rubber plastic composite extrusion, rubber plate multilayer coextrusion and the like. The composite extrusion production process belongs to advanced technology in the rubber industrial production, and can adopt sizing materials with different formulas and performances according to different performance requirements of products, and produce the products which can save materials and meet various performance requirements through composite extrusion equipment. In the prior art, a compound extruder for extruding a joint strip composed of two rubber materials is generally in the form of two screw extruders commonly connected to one two compound extruder head, and then the two screw extruders and the two compound extruder heads are locked together by a locking mechanism. However, the locking mechanism is complex in structure, needs hydraulic driving, is high in cost and improves the overall cost of the device.

Disclosure of Invention

The utility model aims at solving the technical problems, and provides a composite rubber extruder, wherein a lower rubber injection pipe is arranged at the top of a machine head of a screw extruder, an upper rubber injection pipe is arranged at the bottom of the machine head of the screw extruder, and the lower rubber injection pipe are connected through a clamping sleeve nut.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a combined type rubber extruder, includes the board, be provided with first screw extruder and second screw extruder on the board, the front end of first screw extruder is provided with first aircraft nose, the front end of second screw extruder is provided with the second aircraft nose, first aircraft nose is provided with the first runner that runs through its both ends, first aircraft nose is provided with the second runner in the top of first runner, the terminal surface of first aircraft nose is run through to the one end of first screw extruder is kept away from to the second runner, the discharge opening has been constituteed to second runner and second runner, first aircraft nose top is provided with down the injecting glue pipe, be provided with the injecting glue runner with the second runner intercommunication down in the injecting glue pipe, the top of injecting glue pipe is provided with external screw thread portion down, the bottom of second aircraft nose is provided with the injecting glue pipe, it is provided with the cutting ferrule nut and the fender dish that is used for blocking the nut that are used for being connected with external screw thread portion to go up the injecting glue pipe outside.

Further optimize this technical scheme, be provided with the awl die cavity in the second aircraft nose, the opening of awl die cavity communicates with the barrel of second screw extruder, go up the lower part intercommunication of the barrel one end of annotating the rubber tube and keeping away from the second screw extruder with the awl die cavity, be provided with the second screw rod in the second screw extruder, the one end of second screw rod stretches into in the awl die cavity, the one end that the second screw rod stretches into in the awl die cavity is provided with the necking down, be provided with a plurality of blades about its axis symmetry on the position that the necking down corresponds with last rubber tube on its outer circumference.

Further optimize this technical scheme, the top central authorities of lower injecting glue pipe are provided with the concave station, the concave station is round platform form and its upper end diameter is greater than the lower extreme diameter, the lower extreme of going up the injecting glue pipe is provided with concave station complex boss.

Compared with the prior art, the utility model has the following advantages: 1. the top of the first machine head is provided with a lower injection rubber tube, the top of the lower injection rubber tube is provided with an external thread part, the bottom of the second machine head is provided with an upper injection rubber tube, a baffle disc is arranged outside the upper injection rubber tube, and the lower injection rubber tube is connected with the lower injection rubber tube through a clamping sleeve nut, so that the structure is simple, and the cost is lower; 2. the second aircraft nose is provided with the awl die cavity in, and second screw rod one end is provided with the necking down, is provided with a plurality of blades about its axis symmetry on the necking down and the position that the upper filling pipe corresponds on its outer circumference, and the blade helps rubber to be discharged into the upper filling pipe, has reduced the resistance that rubber here received.

Drawings

Fig. 1 is a schematic structural view of a compound rubber extruder.

Fig. 2 is a schematic structural view of the first handpiece.

Fig. 3 is a cross-sectional view of the second extruder.

Fig. 4 is an enlarged view of fig. 3 at i.

In the figure: 1. a machine table; 2. a first screw extruder; 3. a first handpiece; 31. a discharge hole; 32. a first flow passage; 33. a second flow passage; 34. a rubber injection pipe is arranged; 35. a concave table; 4. a second screw extruder; 41. a second screw; 411. necking; 412. a blade; 5. a second handpiece; 51. a conical cavity; 52. a rubber injection pipe is arranged; 521. a baffle disc; 522. a boss; 6. and cutting the sleeve nut.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

The specific embodiment is as follows: referring to fig. 1-4, a composite rubber extruder comprises a machine table 1, wherein a first screw extruder 2 and a second screw extruder 4 are arranged on the machine table 1, a first screw and a second screw 41 are respectively arranged in the machine table 1, one ends of the first screw and the second screw 41 are respectively connected to different gear motors in a transmission mode, and feed inlets are also formed in the first screw extruder 2 and the second screw extruder 4. The front end of first screw extruder 2 is provided with first aircraft nose 3, the front end of second screw extruder 4 is provided with second aircraft nose 5, first aircraft nose 3 is provided with the first runner 32 that runs through its both ends, first aircraft nose 3 is provided with second runner 33 in the top of first runner 32, the terminal surface of first aircraft nose 3 is run through to the one end that first screw extruder 2 was kept away from to second runner 33, discharge opening 31 has been constituteed to second runner 33 and second runner 33, first aircraft nose 3 top is provided with down the injecting glue pipe 34, be provided with the injecting glue runner of 33 with the second runner intercommunication in the injecting glue pipe 34 down, the top of injecting glue pipe 34 is provided with the external screw thread portion, the bottom of second aircraft nose 5 is provided with injecting glue pipe 52, injecting glue pipe 52 and the barrel intercommunication of second screw extruder 4, the injecting glue pipe 52 outside is provided with the cutting ferrule 6 that is used for being connected with the external screw thread portion and is used for blocking nut 6's fender 521, in order to improve the leakproofness, should still set up sealing between injecting glue pipe 52 and the lower sealing gasket 34. In this way, the second machine head 5 and the first machine head 3 can be connected only by tightening the clamping sleeve nut 6, so that the machine is convenient and low in cost. In addition, in this way, the second machine head 5 is located above the first machine head 3, and under the condition that the included angle between the first screw extruder 2 and the second screw extruder 4 is the same, the width of one end of the two ends far away from the machine head is smaller, so that the width of the machine table can also be smaller, and the occupied space is saved.

Preferably, a cone cavity 51 is provided in the second machine head 5, an opening of the cone cavity 51 is communicated with a barrel of the second screw extruder 4, the upper injection tube 52 is communicated with a lower portion of one end of the cone cavity 51, which is far away from the barrel of the second screw extruder 4, one end of the second screw 41 extends into the cone cavity 51, the end of the second screw 41 is also cone-shaped to adapt to the cone cavity 51, a necking 411 is provided at one end of the second screw 41 extending into the cone cavity 51, rubber can be filled outside the necking 411, and a plurality of blades 412 symmetrical about an axis thereof are provided on an outer circumference of a portion of the necking 411, which corresponds to the upper injection tube 52. During production, the second rubber is conveyed by the second screw 41 towards the second machine head 5, and when reaching the necking 411, the rubber fills the outside of the necking 411 and moves to the position of the blade 412, the second screw 41 and the rubber is discharged into the upper injection pipe 52 under the action of rotation of the blade 412, and the blade 412 helps the rubber to be discharged into the upper injection pipe 52, so that the resistance of the position is reduced.

Preferably, the center of the top of the lower injection tube 34 is provided with a concave table 35, the concave table 35 is in a shape of a circular table, the diameter of the upper end of the concave table is larger than that of the lower end of the concave table 35, the lower end of the upper injection tube 52 is provided with a boss 522 matched with the concave table 35, and the two structures are easier to position.

In use, a first rubber is fed into the first screw extruder 2 and a second rubber is fed into the second screw extruder 4, the first rubber being shaped into the desired shape via the first flow channel 32, the second rubber being compounded on the first rubber via the second flow channel 33, the two rubbers having been compounded when extruded from the outlet of the discharge orifice 31, as shown in fig. 2.

It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.

Claims

1. The utility model provides a combined type rubber extruder, includes board (1), be provided with first screw extruder (2) and second screw extruder (4) on board (1), its characterized in that: the front end of first screw extruder (2) is provided with first aircraft nose (3), the front end of second screw extruder (4) is provided with second aircraft nose (5), first aircraft nose (3) are provided with first runner (32) that run through its both ends, first aircraft nose (3) are provided with second runner (33) in the top of first runner (32), the terminal surface of first aircraft nose (3) is run through to the one end that first screw extruder (2) was kept away from to second runner (33), discharge gate (31) have been constituteed to second runner (33) and second runner (33), first aircraft nose (3) top is provided with down glue pipe (34), be provided with in down glue injection pipe (34) with the glue injection runner of second runner (33) intercommunication, the top of glue injection pipe (34) is provided with external screw thread portion, the bottom of second aircraft nose (5) is provided with and annotates glue pipe (52), it is provided with and is used for blocking nut (521) of cutting ferrule (6) with external screw thread portion connection to go up glue pipe (52) outside.

2. A composite rubber extruder as claimed in claim 1, wherein: be provided with cone die cavity (51) in second aircraft nose (5), the opening in cone die cavity (51) communicates with the barrel of second screw extruder (4), go up the lower part intercommunication of the barrel one end of injecting glue pipe (52) and cone die cavity (51) keeping away from second screw extruder (4), be provided with second screw (41) in second screw extruder (4), in cone die cavity (51) are stretched into to the one end of second screw (41), the one end that second screw (41) stretched into in cone die cavity (51) is provided with necking down (411), be provided with a plurality of blade (412) about its axis symmetry on the position that necking down (411) correspond with last injecting glue pipe (52) on its outer circumference.

3. A composite rubber extruder according to any one of claims 1-2, characterized in that: the top center of lower injecting glue pipe (34) is provided with concave station (35), concave station (35) are round platform form and its upper end diameter is greater than the lower extreme diameter, the lower extreme of going up injecting glue pipe (52) is provided with boss (522) with concave station (35) complex.