CN114603817A

CN114603817A - Extruder for tire rubber

Info

Publication number: CN114603817A
Application number: CN202210506560.9A
Authority: CN
Inventors: 刘奇
Original assignee: Shandong Yinbao Tyre Group Co ltd
Current assignee: Shandong Yinbao Tyre Group Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-06-10
Anticipated expiration: 2042-05-11
Also published as: CN114603817B

Abstract

The invention relates to the technical field of rubber processing, in particular to an extruder for tire rubber, which comprises a supporting rack and an equipment machine part, wherein the equipment machine part is erected on the supporting rack, a material extrusion box is arranged on the equipment machine part, an input pipe fitting is arranged at the feeding end of the material extrusion box, a material pipe bearing part used for bearing the input pipe fitting is arranged on the equipment machine part, and the input pipe fitting is limited at the feeding end of the material extrusion box in a swinging manner; the material extrusion box is internally provided with a spiral extrusion assembly, an external heater is arranged on the periphery of the material extrusion box, the equipment parts are provided with a heat supply device, the heat conduction end of the heat supply device is divided into a first heat conduction pipeline and a second heat conduction pipeline, the shaft part of the spiral extrusion assembly is a heat conduction pipe, and the first heat conduction pipeline and the second heat conduction pipeline are respectively communicated with the heat conduction end of the external heater and the heat conduction end of the spiral extrusion assembly. The invention can effectively reduce the risk of material conveying blockage and ensure the uniformity of hot melt extrusion of rubber.

Description

Extruder for tire rubber

Technical Field

The invention relates to the technical field of rubber processing, in particular to an extruder for tire rubber.

Background

The tire is mostly solid rubber child, and the extruder operation principle for tire rubber among the prior art is reinforced in to the mould, utilizes the extruder to pass through the extruder heating with rubber granule raw materials and melts, then extrudees through the porter bar to in sending to the tire mould, how to guarantee that rubber heat melts evenly, be the key of guaranteeing rubber extrusion product quality.

The extruder hopper structure that uses at present is simple relatively, and only a pyramid type or conical funnel, the raw materials blocks at the exit very easily when using, need the manual work to rock or mix just can continue the unloading, but also can lead to the discontinuous problem of unloading, causes the rubber hot melt degree of consistency to have very big influence.

Chinese patent (No. CN 210820806U) discloses an extruder for producing a rubber tire of a baby carriage, wherein a rotating pipe, a second bearing and a third bearing are arranged, the inner wall of the rotating pipe is fixedly connected with a spiral blade, the rotating pipe is rotatably connected with a first connecting flange through the second bearing, and the rotating pipe is rotatably connected with a second connecting flange through the third bearing, so that the rotating pipe drives the spiral blade to rotate after a raw material is fed into a feeding hopper; but during the actual operation, there is certain defect in this patent, sets up mechanical equipment itself and will occupy a large amount of pan feeding mouth spaces in the pan feeding mouth, just has the risk of jam itself.

Disclosure of Invention

The present invention has been made to solve the above problems occurring in the prior art, and an object of the present invention is to provide an extruder for tire rubber.

In order to achieve the purpose, the invention provides the following technical scheme:

an extruder for tire rubber comprises a supporting frame and an equipment part arranged on the supporting frame,

the material extruding box is arranged on the equipment machine part, an input pipe fitting is arranged at the feeding end of the material extruding box, a material pipe bearing part for bearing the input pipe fitting is arranged on the equipment machine part, the input pipe fitting is limited at the feeding end of the material extruding box in a swinging mode, a driving machine part is arranged on the material pipe bearing part, and the driving machine part drives the input pipe fitting to swing at the feeding end of the material extruding box;

the material extrusion box is internally provided with a spiral extrusion assembly, an external heater is arranged on the periphery of the material extrusion box, the equipment parts are provided with a heat supply device, the heat conduction end of the heat supply device is divided into a first heat conduction pipeline and a second heat conduction pipeline, the shaft of the spiral extrusion assembly is a heat conduction pipe, the tail end of the pipeline of the first heat conduction pipeline is communicated with the inner cavity of the shaft of the spiral extrusion assembly, and the tail end of the pipeline of the second heat conduction pipeline is communicated with the external heater.

As a further scheme of the invention: the input pipe fitting comprises a material guide hose, a feeding pipeline connected to the feeding end of the material guide hose and a discharging head installed at the discharging end of the material guide hose, the material pipe bearing piece comprises a mounting frame installed on the equipment parts, a displacement module arranged on the mounting frame and a displacement block installed on the displacement module, an upper edge plate is arranged on the displacement block, a positioning sleeve is arranged on the upper edge plate, and the material guide hose penetrates through the positioning sleeve and is externally connected with the feeding pipeline.

As a further scheme of the invention: the feeding end of the material extrusion box is provided with a feeding port, the feeding port is provided with an arched cover, the guide hose is further provided with a universal joint, the guide hose is mounted on the arched cover through the universal joint, and the discharge head extends into the inner space of the arched cover.

As a further scheme of the invention: the pipe wall of the material guide hose is provided with a plurality of shaping sheets, and the bent part of the pipeline of the material guide hose is provided with a shaping sleeve.

As a further scheme of the invention: the material extrusion box comprises a box body shell and a heat conduction layer arranged on the inner layer of the box body shell, the outer heater comprises an installation frame, a spiral pipeline and a heat conduction barrel, the installation frame is installed on the outer surface of the material extrusion box, the spiral pipeline is arranged on the installation frame, the heat conduction barrel is used for supplying heat to the spiral pipeline, and the spiral pipeline is embedded into the box body shell and is attached to the heat conduction layer.

As a further scheme of the invention: the screw extrusion assembly comprises a transmission shaft arranged in the material extrusion box inner cavity and a screw auger arranged on the transmission shaft, the transmission shaft and the screw auger are both provided with two channels, the screw auger is arranged in a staggered mode and two channels, the screw auger is arranged in a staggered mode, and the helical blades of the screw auger are embedded in the space in sequence.

As a further scheme of the invention: the transmission shafts are externally connected with extension shafts, the extension shafts penetrate through the material extrusion box and are provided with outer pipe sleeves, the outer pipe sleeves are provided with driving wheels, the machine parts of the equipment are provided with power motors, the driving ends of the power motors are provided with driving wheels, and the driving wheels are connected with the two driving wheels through synchronous belts.

As a further scheme of the invention: the transmission shaft and the extension shaft are both hollow tube structures, a first heat supply end is arranged on the heat supply device, and the first heat supply end is connected with the extension shaft.

As a further scheme of the invention: the heat supply device is also provided with a second heat supply end, the second heat supply end is connected with a flow conveying conduit, and the pipeline end of the flow conveying conduit is connected with the heat conducting barrel through a heat supply joint.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the designed pipe fitting is limited at the feeding end of the material extrusion box in a swinging manner, and the driving machine part drives the input pipe fitting to swing, so that the input pipe fitting can scatter materials towards the material extrusion box in different directions, the uniformity of subsequent rubber extrusion operation is improved, the input pipe fitting continuously swings during material conveying, rubber materials are shaken off, the falling of the rubber materials is facilitated, and the risk of material conveying blockage is reduced.

The invention adopts a spiral material extruding mode, an external heater is arranged on the periphery of the material extruding box and used for supplying heat and discharging materials, a shaft part of the spiral material extruding component is designed to be a heat conducting pipe so as to supply heat internally, the external heater wraps the periphery of the material extruding box, and the spiral material extruding component penetrates through the center line of the material extruding box so as to achieve the effect of internal and external integrated heat supply, and the uniformity degree of rubber hot melt extrusion is ensured by matching with the motion track of the spiral material extruding.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. Also, the drawings and the description are not intended to limit the scope of the present concepts in any way, but rather to illustrate the concepts of the present disclosure to those skilled in the art by reference to specific embodiments.

Fig. 1 is a schematic view of the overall structure of an extruder for tire rubber according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a material pipe carrier according to an embodiment of the present invention.

FIG. 3 is a schematic structural diagram of the area A in FIG. 1 according to the present invention.

Fig. 4 is a schematic structural diagram of a material extrusion box according to an embodiment of the present invention.

FIG. 5 is a schematic structural diagram of the area B in FIG. 4 according to the present invention.

Fig. 6 is a schematic structural diagram of a first heat-conducting pipeline and a second heat-conducting pipeline according to an embodiment of the present invention.

In the figure: 10. an equipment member; 11. a support frame; 12. extruding the material out of the box; 13. an input pipe fitting; 14. a material pipe bearing piece; 15. an external heater; 16. a screw extrusion assembly; 17. a second heat transfer pipe; 18. a first heat transfer pipe; 19. a heat supply device; 21. a mounting frame; 22. a displacement module; 23. a displacement block; 24. an upper edge plate; 25. a positioning sleeve; 26. connecting a bolt externally; 27. sliding the insert block; 28. limiting a guide rail; 31. a feed conduit; 32. a material guiding hose; 33. discharging a stub bar; 34. a universal joint; 36. shaping sheets; 37. shaping sleeves; 41. a feeding port; 42. an arched cover; 43. a case body shell; 44. a heat conductive layer; 51. mounting the frame; 52. a heat conducting tube; 53. a spiral pipeline; 61. a drive shaft; 62. a spiral auger; 71. an extension shaft; 72. an outer pipe sleeve; 73. a driving wheel; 74. a power motor; 75. a drive wheel; 76. a synchronous belt; 77. a first heat supply end; 81. a second heat supply end; 82. a fluid delivery conduit; 83. a heat supply joint.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, examples of which are shown in the drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements, unless otherwise indicated.

It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

In one embodiment;

referring to fig. 1, an extruder for tire rubber is provided, which includes a supporting frame 11, and an apparatus machine part 10 erected on the supporting frame 11, wherein a material extrusion box 12 is arranged on the apparatus machine part 10, an input pipe 13 is arranged at a feeding end of the material extrusion box 12, a material pipe bearing part 14 for bearing the input pipe 13 is arranged on the apparatus machine part 10, the input pipe 13 is swingably limited at the feeding end of the material extrusion box 12, a driving machine part is arranged on the material pipe bearing part 14, and the driving machine part drives the input pipe 13 to swing at the feeding end of the material extrusion box 12;

the material extruding box 12 is internally provided with a spiral extruding assembly 16, an external heater 15 is arranged on the periphery of the material extruding box 12, the equipment part 10 is provided with a heat supply device 19, the heat conducting end of the heat supply device 19 is divided into a first heat conducting pipeline 18 and a second heat conducting pipeline 17, the shaft part of the spiral extruding assembly 16 is a heat conducting pipe, the tail end of the pipeline of the first heat conducting pipeline 18 is communicated with the inner cavity of the shaft part of the spiral extruding assembly 16, and the tail end of the pipeline of the second heat conducting pipeline 17 is communicated with the external heater 15.

In this embodiment, material extrusion case 12 is the loading extrusion equipment of rubber material, input pipe fitting 13 is used for the input to treat the rubber material of processing, this embodiment designs that input pipe fitting 13 is but the pan feeding end of swinging the formula spacing in material extrusion case 12, the swing of driving input pipe fitting 13 through the drive parts, can make input pipe fitting 13 be the direction of difference and scatter the material towards material extrusion case 12 on the one hand, do benefit to the even degree that improves follow-up rubber extrusion operation, on the other hand input pipe fitting 13 is continuous swing when defeated the material, the supplementary rubber material that shakes off, do benefit to the whereabouts of rubber material, reduce the risk of defeated material jam.

This embodiment adopts the spiral mode of extruding the material, be provided with external heater 15 in the periphery of material extrusion case 12, be used for carrying out the heat supply ejection of compact to the periphery of material, the shaft member of the crowded material subassembly 16 of design spiral is the heat pipe, thereby carry out inside heat supply, external heater 15 wraps up in the periphery of material extrusion case 12, the crowded material subassembly 16 of spiral runs through the central line in material extrusion case 12, thereby reach the effect of inside and outside integrated heat supply, the motion orbit of the crowded material of cooperation spiral, guarantee the even degree that rubber hot melt was extruded.

In one embodiment;

for a specific embodiment of the inlet pipe 13, the present embodiment is designed as follows:

referring to fig. 2 and 3, the input pipe 13 includes a material guiding hose 32, a material feeding pipe 31 connected to a material feeding end of the material guiding hose 32, and a material discharging head 33 installed at a material discharging end of the material guiding hose 32, the material pipe carrier 14 includes an installation frame 21 installed on the equipment work 10, a displacement module 22 installed on the installation frame 21, and a displacement block 23 installed on the displacement module 22, an upper edge plate 24 is installed on the displacement block 23, a positioning sleeve 25 is installed on the upper edge plate 24, and the material guiding hose 32 penetrates through the positioning sleeve 25 and is externally connected to the material feeding pipe 31.

The feeding end of the material extrusion box 12 is provided with a feeding port 41, the feeding port 41 is provided with an arched cover 42, the material guiding hose 32 is further provided with a universal joint 34, the material guiding hose 32 is mounted on the arched cover 42 through the universal joint 34, and the discharge head 33 extends into the inner space of the arched cover 42.

The main part of input pipe fitting 13 is guide hose 32, guide hose 32 is hose class structure, the discharge end of guide hose 32 is installed in the arch cover 42 on pan feeding mouth 41 edge, use universal joint 34 as the swing strong point of guide hose 32 discharge end, the other end of guide hose 32 is worn to locate in the position sleeve 25, be drive assembly through displacement module 22, drive position sleeve 25 motion, thereby drive guide hose 32 motion, discharge head 33 uses universal joint 34 as the fulcrum thereupon and towards the regional swing of pan feeding mouth 41, thereby make input pipe fitting 13 be the direction of difference and spread the material in material extrusion case 12, do benefit to and improve the even degree of follow-up rubber extrusion operation, supplementary shake off the rubber material simultaneously, reduce the risk of defeated material jam.

Preferably, a driving screw rod is arranged in the displacement module 22 in this embodiment, the displacement block 23 is driven to move by the screw rod in a driving manner, and meanwhile, a driving source of the displacement module 22 is a periodically-changing operation motor, so as to drive the displacement block 23 to reciprocate, that is, to drive the material guiding hose 32 to reciprocate.

Preferably, the surface of the mounting frame 21 is further provided with a limit rail 28, the upper edge plate 24 is provided with a sliding insert block 27 through an external bolt 26, and the sliding insert block 27 is inserted and installed in the limit rail 28. For limiting the motion trail of the displacement block 23.

Preferably, a plurality of shaping pieces 36 are arranged on the tube wall of the material guiding hose 32, and a shaping sleeve 37 is arranged at the bent position of the tube of the material guiding hose 32. In this embodiment, a plurality of shaping sheets 36 and a plurality of shaping sleeves 37 are disposed on the tube body of the material guiding hose 32 for shaping the hose, so as to prevent the material guiding hose 32 from generating irregular deformation when swinging and affecting the smoothness of material falling.

In one embodiment;

for the heat supply implementation structure of the material extrusion box 12, the present embodiment is designed as follows:

referring to fig. 4, the material extruding box 12 includes a box body 43 and a heat conducting layer 44 disposed on an inner layer of the box body 43, the external heater 15 includes a mounting frame 51 mounted on an outer surface of the material extruding box 12, a spiral pipe 53 disposed on the mounting frame 51, and a heat conducting tube 52 for supplying heat to the spiral pipe 53, and the spiral pipe 53 is embedded in the box body 43 and attached to the heat conducting layer 44.

The spiral pipeline 53 is a heat supply structure for the outer surface of the material extrusion box 12, and the spiral pipeline 53 is spirally wound on the box body shell 43 and is attached to the heat conduction layer 44 inside the material extrusion box 12, so that heat supply and heating treatment are performed on the inside of the material extrusion box 12.

In one embodiment;

referring to fig. 4 and 5, the spiral extruding assembly 16 includes a transmission shaft 61 installed in the inner cavity of the material extruding box 12, and a spiral packing auger 62 installed on the transmission shaft 61, the transmission shaft 61 and the spiral packing auger 62 are both provided with two channels, the two channels of the spiral packing auger 62 are arranged in a staggered manner, and the spiral blades of the spiral packing auger 62 are embedded in the sequential space.

For the material extrusion implementation mode, the implementation structure of double-auger extrusion is adopted in the embodiment, on one hand, internal heat generated by friction between the material and the spiral auger 62 can be increased, and the softening and melting speed of the plastic is improved, and on the other hand, the spiral auger 62 is arranged in a staggered manner, so that the material is further mixed while being extruded, and the uniformity is improved.

The transmission shafts 61 are externally connected with extension shafts 71, the extension shafts 71 penetrate through the material extrusion box 12 and are provided with outer sleeves 72, the outer sleeves 72 are provided with transmission wheels 73, the equipment element 10 is provided with a power motor 74, the driving end of the power motor 74 is provided with a driving wheel 75, and the driving wheel 75 is connected with the two transmission wheels 73 through a synchronous belt 76.

For the driving mode of the spiral auger 62, the power motor 74 is designed as a power source in the embodiment, and the drive belt 76 drives the drive wheel 73 to move, so as to drive the spiral auger 62 to move.

In one embodiment;

referring to fig. 6, the transmission shaft 61 and the extension shaft 71 are both hollow tubes, the heat supplier 19 is provided with a first heat supplying end 77, and the first heat supplying end 77 is connected to the extension shaft 71. The first heat conduction pipeline 18 includes an extension shaft 71 and a first heat supply end 77, and is used for conveying a heat source to the shaft middle cavity of the transmission shaft 61, so as to supply heat from the inner cavity of the material extrusion box 12.

Preferably, the extension shaft 71 and the outer sleeve 72 are made of heat insulation materials, so that the heat flow is prevented from affecting the belt transmission component.

The second heat-conducting pipeline 17 includes a second heat-supplying end 81 disposed on the heat supplier 19, the second heat-supplying end 81 is connected to a flow-conveying conduit 82, and a pipeline end of the flow-conveying conduit 82 is connected to the heat-conducting drum 52 through a heat-supplying joint 83. Thereby delivering a heat flow into the helical conduit 53.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An extruder for tire rubber comprises a supporting rack and an equipment machine part erected on the supporting rack, and is characterized in that a material extrusion box is arranged on the equipment machine part, an input pipe fitting is arranged at the feeding end of the material extrusion box, a material pipe bearing part used for bearing the input pipe fitting is arranged on the equipment machine part, the input pipe fitting is limited at the feeding end of the material extrusion box in a swinging manner, a driving machine part is arranged on the material pipe bearing part, and the driving machine part drives the input pipe fitting to swing at the feeding end of the material extrusion box;

2. The extruder for tire rubber according to claim 1, wherein the input pipe fitting comprises a material guiding hose, a feeding pipeline connected to a feeding end of the material guiding hose, and a discharging head installed at a discharging end of the material guiding hose, the material pipe bearing member comprises a mounting frame installed on the equipment parts, a displacement module arranged on the mounting frame, and a displacement block installed on the displacement module, an upper edge plate is arranged on the displacement block, a positioning sleeve is arranged on the upper edge plate, and the material guiding hose penetrates through the positioning sleeve and is externally connected with the feeding pipeline.

3. The extruder for tire rubber as claimed in claim 2, wherein the material inlet end of the material extrusion box is provided with a material inlet, the material inlet is provided with an arched cover, the material guiding hose is further provided with a universal joint, the material guiding hose is mounted on the arched cover through the universal joint, and the material outlet head extends into the inner space of the arched cover.

4. The extruder as claimed in claim 3, wherein the tube wall of the material guiding hose is provided with a plurality of shaping pieces, and the bending part of the tube of the material guiding hose is provided with a shaping sleeve.

5. The extruder for tire rubber according to claim 1, wherein the material extruding box comprises a box body casing and a heat conducting layer arranged on an inner layer of the box body casing, the external heater comprises a mounting frame arranged on an outer surface of the material extruding box, a spiral pipeline arranged on the mounting frame, and a heat conducting tube for supplying heat to the spiral pipeline, and the spiral pipeline is embedded in the box body casing and is jointed with the heat conducting layer.

6. The extruder for tire rubber according to claim 5, wherein the spiral extruding component comprises a transmission shaft arranged in the inner cavity of the material extruding box and a spiral packing auger arranged on the transmission shaft, the transmission shaft and the spiral packing auger are both provided with two channels, the spiral packing auger is arranged in a staggered manner and two channels, the spiral packing auger is arranged in a staggered manner, and the spiral blades of the spiral packing auger are embedded in the space in sequence.

7. An extruder for tire rubber according to claim 6, wherein the transmission shafts are externally connected with extension shafts, the extension shafts penetrate out of the material extrusion box and are provided with outer pipe sleeves, the outer pipe sleeves are provided with transmission wheels, the equipment parts are provided with power motors, the driving ends of the power motors are provided with driving wheels, and the driving wheels are connected with the two transmission wheels through synchronous belts.

8. The extruder as claimed in claim 7, wherein the transmission shaft and the extension shaft are both hollow tubes, and the heat supply device is provided with a first heat supply end connected to the extension shaft.

9. The tire rubber extruder of claim 8, wherein the heat supply device is further provided with a second heat supply end, the second heat supply end is connected with a flow conveying pipe, and a pipeline end of the flow conveying pipe is connected with the heat conducting cylinder through a heat supply joint.