CN201841658U - Machine head as well as sheet rubber extruder and extruding production line applying same - Google Patents
Machine head as well as sheet rubber extruder and extruding production line applying same Download PDFInfo
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- CN201841658U CN201841658U CN2010202964901U CN201020296490U CN201841658U CN 201841658 U CN201841658 U CN 201841658U CN 2010202964901 U CN2010202964901 U CN 2010202964901U CN 201020296490 U CN201020296490 U CN 201020296490U CN 201841658 U CN201841658 U CN 201841658U
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 62
- 238000001125 extrusion Methods 0.000 claims abstract description 36
- 238000005520 cutting process Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000004513 sizing Methods 0.000 claims description 30
- 239000003292 glue Substances 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims 2
- 238000003490 calendering Methods 0.000 abstract description 9
- 230000006872 improvement Effects 0.000 abstract description 7
- 230000007246 mechanism Effects 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 10
- 238000003825 pressing Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 241000405070 Percophidae Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a machine head as well as a sheet rubber extruder and an extruding production line applying the same, which are particularly suitable for production of conveyor belt films. Improvement is made according to the flowing direction of rubber material inside the machine head and an extrusion molding mechanism, and a central axis positioning and tightening mode is adopted between a machine head shell and a core pattern, thereby ensuring that the rubber material sequentially passes through the extruder along a longitudinal straight line to enter the machine head and carries out subsequent procedures of extruding, molding, dissecting, expanding transportation, calendaring and the like. The machine head mainly comprises the machine head shell and the core pattern which is in an integral cone structure, and the inside cavity of the machine head shell is in a flare opening structure gradually opening. An annular rubber material outlet trough is formed at the outer end part of the machine head shell and the core pattern, a cutter for cutting cylindrical films along the longitudinal direction is arranged at the rubber material outlet trough, the central axis positioning and tightening connection is adopted between the machine head shell and the core pattern, and the rear end of the core pattern is connected with an axial positioning device.
Description
Technical Field
The utility model provides a be applied to the extruder aircraft nose of rubber sheet production and use rubber sheet extruder, the extrusion lines of this type of aircraft nose, be applicable to the production of extruding of conveyer belt film very much, belong to rubber and plastic machinery.
Background
The existing rubber sheet production process generally adopts a calender to calender into a rubber sheet meeting the process size requirement, and an extruder is also adopted individually to extrude and calender the rubber sheet, and the subsequent manufacturing procedures of rubber sheet pressing, cutting and the like are realized.
The head structure of the existing extruder is mainly divided into two types:
the first type is an L-shaped right-angle machine head, which is characterized in that radial feeding and axial discharging are realized, an internal mouth-shaped plate is fixed by bolts, and when the production of rubber materials with different sizes and specifications and formulas (such as the production of conveying belt films) is carried out, the installation and debugging time of the machine head is long and the normal extrusion production of the rubber materials cannot be ensured.
The second type is a duckbill flat extrusion die, and the rubber material is extruded into a sheet rubber sheet through a cavity of an internal flow passage in the conveying direction of the rubber material. The flat machine head has complex processing and high manufacturing cost.
The rubber belt conveyor is applied to conveyor belts in industries such as mining, port transportation and the like, the size specification and the rubber formula are complicated, and the extruder head, the extruder and a production line are required to have the characteristics of high specification variety and formula replacement speed, high product specification and size precision, low manufacturing cost, convenience in maintenance and the like.
As described in the following prior patent application No. 98247499.7, entitled rubber and plastic extruded sheet forming die, the die includes a die cylinder fixedly connected with the head of an extruder and a core die arranged in the inner cavity of the die cylinder, the extrusion sections of the die cylinder and the core die are both cylindrical to form a tubular extrusion flow passage, and a partition pin is arranged in the tubular extrusion flow passage. According to the mould, rubber and plastic are extruded into a round pipe and are axially split to be flattened into a plate.
However, the above-mentioned solution is not suitable for producing and processing the conveyer belt film, and mainly has the following disadvantages and restriction factors:
firstly, the inner structure of the machine head is complex and is not suitable for producing wide films. Particularly, the structure of the core mold limits the rubber material to generate multi-angle and asymmetric steering results in the conveying direction of the rubber material, so that the problems of uneven plate surface, large plate extrusion error and even waste can be caused.
Secondly, the positioning and fastening structure between the die cylinder and the core die is easy to displace under the action of the viscosity of the sizing material and the friction thrust, so that the problems of local material blockage and uneven surface thickness of the tubular rubber sheet occur.
Thirdly, the problems of fastening installation and easy disassembly and replacement between the die cylinder and the core die are not considered. Such problems are particularly pronounced at the conveyor belt film production site. Due to the large difference between the specification and the formula of the conveying belt film, field equipment replacement and debugging are often required. If the equipment debugging time is longer, the problems of rubber material scrapping and the like such as rubber burning and the like can be caused, and the overall production efficiency is lower.
SUMMERY OF THE UTILITY MODEL
Rubber sheet extruder, extrusion line of aircraft nose and applied this aircraft nose lie in solving the problem that exists among the above-mentioned prior art and the production of specially adapted conveyer belt film. The flow direction and the extrusion molding mechanism of the rubber material in the machine head are improved, and the central axes of the machine head shell and the core mold are positioned and fastened, so that the rubber material is ensured to sequentially enter the extruder along a longitudinal straight line and is extruded, shaped, split, expanded, conveyed and calendered through the machine head.
The utility model discloses a design aim at, improve and optimize the inside die cavity and the core type structure of aircraft nose shell to keep the sizing material to keep same axial direction in extruding the runner around, and then guarantee to extrude the planarization on film surface, realize accurate radial and axial dimension's control.
Another design purpose is, improve aircraft nose shell and core type and be the central axis location and fastening mode to reach the inside die cavity accurate positioning of aircraft nose, avoid appearing the deviation that leads to the film shape and extrude size, thickness because of the core type displacement, improve the quality that the film extrudes production.
The design purpose still lies in, realizes fastening installation and quick replacement between aircraft nose shell and the core type, satisfies the demand of production site debugging equipment, adjusting part size frequently, guarantees smooth and easy and high efficiency of whole production.
In order to achieve the above design purpose, the machine head mainly comprises:
the shell of the machine head and the core mold which is integrally in a cone structure, and the inner cavity of the shell of the machine head is in a horn mouth structure which is gradually opened.
The outer end parts of the machine head shell and the core form an annular glue stock outlet groove,
a cutter for cutting the cylindrical film along the longitudinal direction is arranged at the position of the sizing material outlet groove,
along the extrusion direction of the rubber material, the shell of the machine head is fixedly connected with the core mold through the central axis, and the rear end of the core mold is connected with an axial positioning device.
According to the basic scheme, the central axis positioning and fastening mode is adopted between the machine head shell and the core mold, when sizing and extruding sizing materials along the inner cavity, the originally columnar liquid sizing materials can be uniformly expanded into the cylindrical film along the cavity, so that the deformation of the core mold in the radial and circumferential directions is uniform, the tension of the extruded cylindrical film on the inner surface and the outer surface of the cylindrical film is uniformly distributed, the surface flatness of the film is effectively caused, the thickness of the film accords with the annular size of the sizing material outlet groove, and the higher quality and the specification of the extruded film can be accurately controlled.
The cutter is arranged at the outer side of the core and the vertical bottom end of the sizing material outlet groove, so that the uniform sizing of the sizing material in the inner cavity is not affected. Meanwhile, the film is cut open longitudinally from the bottom end, so that the deformation of the film when the film is deformed into a sheet shape from a cylindrical shape can be reduced, and the film is higher in temperature and higher in flexibility.
Based on the improved characteristics of the machine head of the extruder, the preferable improvement scheme of the axial positioning device is that the axial positioning device comprises an oil cylinder arranged on one side of the frame, an output rod of the oil cylinder is pivotally connected to one end of a rocker arm, and the other end of the rocker arm is connected to a guide shaft arranged on the central axis of the core mold.
According to the axial positioning device, the oil cylinder drives the rocker arm to drive the guide shaft to push the core mold to be installed and positioned on the central axis of the machine head, or the core mold is withdrawn along the central axis of the machine head through the guide shaft to be detached and replaced.
The axial positioning device has stopping and positioning acting force acting on the central axis of the core mold and is large enough, and meanwhile, the field debugging and replacement of the machine head part can be conveniently realized.
On the basis of using above-mentioned aircraft nose improvement scheme, the utility model also provides a rubber sheet extruder of using this type of aircraft nose, it mainly has:
a machine barrel for conveying the rubber material, a machine head which is connected with the machine barrel and used for shaping and extruding the rubber material, and an expanding device which is used for carrying the rubber sheet and continuously conveying the rubber sheet forwards.
Compared with the existing rubber sheet extruder, the difference is that the machine head comprises a machine head shell connected with the machine barrel and a core mold which is integrally in a cone structure, an internal cavity of the machine head shell is in a gradually opened horn mouth structure,
the outer end parts of the machine head shell and the core form an annular glue stock outlet groove,
a cutter for cutting the cylindrical film along the longitudinal direction is arranged at the vertical bottom end of the sizing material outlet groove,
along the extrusion direction of the rubber material, the shell of the machine head is fixedly connected with the core mold through the central axis, and the rear end of the core mold is connected with an axial positioning device.
By applying the machine head, the problems that the existing conveyer belt film extruder cannot produce wide films, the surfaces of the extruded films are uneven, materials are easily adhered or partially blocked in the machine head, the machine head is difficult to fasten, mount or dismount and the like can be correspondingly solved.
The following detailed improvement scheme can be adopted for the axial positioning device of the conveyer belt film extruder.
The axial positioning device comprises an oil cylinder arranged on one side of the frame, an output rod of the oil cylinder is pivotally connected to one end of a rocker arm, and the other end of the rocker arm is connected to a guide shaft arranged on the central axis of the core mold.
In order to improve the connection and installation strength between the machine barrel and the machine head shell, an axial connecting device can be arranged between the machine barrel and the machine head shell, and the axial connecting device is provided with a left clamping ring and a right clamping ring which are used for clamping and fixing the machine barrel and the machine head shell simultaneously. The left snap ring and the right snap ring are respectively provided with a gear which is meshed with each other, and the side part of the left snap ring or the right snap ring is connected with a hydraulic cylinder which is used for laterally opening or locking the axial connecting device.
In order to further improve the debugging efficiency of the field equipment and the installation precision of the machine head, the lower end of the shell or the core of the machine head is connected with a sliding trolley arranged on a sliding rail at the bottom.
In order to avoid the phenomena of pulling deformation and deviation of the extruded rubber sheet in the conveying process, the top of the expanding device and the vertical top end of the rubber material outlet groove are kept at the same horizontal height. Meanwhile, a plurality of rollers, rollers or balls for continuously conveying the cut films forwards are arranged on the surface of the expanding device, so that the friction resistance between the films and the surface of the expanding device is reduced.
On the basis of using above-mentioned aircraft nose and extruder improvement scheme, the utility model also provides following rubber sheet extrusion lines has set gradually feeding device, extruder, calender and roller cooling device according to process flow.
The extruder is provided with a cylinder for conveying rubber material, a machine head which is connected with the cylinder and used for shaping and extruding the rubber material, and an expanding device which is used for carrying the rubber sheet and continuously conveying the rubber sheet forwards.
Different from the extrusion and calendering production line of the conveyer belt film designed, used or produced in the prior industry, the machine head adopted by the utility model comprises a machine head shell connected with a machine barrel and a core type with a cone structure as a whole, wherein the inner cavity of the machine head shell is of a horn mouth structure which is gradually opened,
the outer end parts of the machine head shell and the core form an annular glue stock outlet groove,
a cutter for cutting the cylindrical film along the longitudinal direction is arranged at the vertical bottom end of the sizing material outlet groove,
along the extrusion direction of the rubber material, the shell of the machine head is fixedly connected with the core mold through the central axis, and the rear end of the core mold is connected with an axial positioning device.
The preferable improvement aiming at the axial positioning device is that the axial positioning device comprises an oil cylinder arranged on one side of the frame, an output rod shaft of the oil cylinder is pivotally connected with one end of a rocker arm, and the other end of the rocker arm is connected with a guide shaft arranged on the central axis of the core mold.
To sum up, the rubber sheet extruder, the extrusion line of aircraft nose and applied this aircraft nose are particularly useful for the production of extruding of conveyer belt film, mainly have following advantage and beneficial effect:
1. adopt the central axis location and fastening mode between aircraft nose shell and core type, the inside die cavity structure of aircraft nose can be simplified and optimized, and the sizing material can accurate control with extruding in the die cavity, and whole production precision is higher with degree of automation, the utility model discloses be adapted to the production and processing of conveyer belt film very much.
2. The central axis positioning and fastening mode is adopted, the core type is not easy to displace, and the extrusion size, the surface flatness and the thickness of the conveying belt film can be controlled.
3. The automatic film-rolling machine is suitable for extrusion rolling production of conveyer belt films of various specifications and sizes, field equipment debugging and machine head replacement operations are simple and easy to implement, the positioning and mounting precision of the machine head is high, and the overall production efficiency is high.
Drawings
The present invention will now be further described with reference to the accompanying drawings,
FIG. 1 is a schematic view of the conveyor belt film extrusion calendering line;
FIG. 2 is a schematic view of the belt film extruder;
FIG. 3 is a schematic view showing another configuration of a film extruder;
FIG. 4 is a schematic cross-sectional view of the handpiece;
FIG. 5 is a schematic view of the axial connection device;
FIG. 6 is a schematic view of the axial positioning device of embodiment 3;
FIG. 7 is a schematic view of the axial positioning device of embodiment 4;
FIG. 8 is a schematic view of an axial positioning device according to embodiment 5;
as shown in fig. 1 to 8, an extruder 1, a calender 2, a roller cooling device 3, a pressing machine 4, a cutting device 5, a sizing material coiling device 6,
the length of the barrel 20 is such that,
a machine head 30, a machine head shell 31, a core mold 32, a sizing material outlet groove 33, a cutter 34, a nut 301, a screw 302, a slide rail 37 and a sliding trolley 38,
an expanding device 40, a roller 41 and a ball 42,
a frame 50, an oil cylinder 51, a rocker arm 52, a guide shaft 53 and a locking device 54,
a cylinder 511, a connecting rod 521, a gear 513, a sliding gear 522, a speed reducer 514, a coupler 515, a lead screw 516 and a nut 517,
axial connecting device 60, left snap ring 61, right snap ring 62, gear 63, hydraulic cylinder 64.
Detailed Description
Example 1, as shown in fig. 1 and 2, and fig. 4 and 5, in this example, a head 30 applied to a conveyorized film extruder is coupled to the barrel 20 to shape and extrude the film.
The die 30 includes a die housing 31 connected to the barrel 20 by an axial connecting means 60, and a core 32 of generally conical configuration.
The inner cavity of the handpiece shell 31 is of a gradually opened bell mouth structure, and a sizing material outlet groove 33 is formed in a gap between the handpiece shell 31 and the outer end part of the core 32.
A cutter 34 is provided at the vertical bottom end of the stock outlet chute 33 for cutting the extruded tubular film in the longitudinal direction.
Along the extrusion direction of the sizing material, the head shell 31 and the core 32 are positioned and tightly connected by adopting a central axis, and the rear end of the core 32 is connected with an axial positioning device.
The axial positioning device comprises an oil cylinder 51 arranged on one side of the frame 50, wherein the output rod shaft of the oil cylinder 51 is pivotally connected with one end of a rocker arm 52, and the other end of the rocker arm 52 is connected with a guide shaft 53 arranged on the central axis of the core 32.
The conveyor film extruder 1 using the above-described head 30 has a cylinder 20, a head 30, a widening means 40, a frame 50 and an axial connecting means 60.
Wherein the barrel 20 is used to feed the gum material to the head 30,
a head 30 is coupled to the barrel 20 to shape and extrude the gum material,
the expanding device 40 is used for carrying the extruded and cut film on the top and continuously conveying the film forwards, the top of the expanding device 40 and the vertical top end of the sizing material outlet groove 33 are kept at the same horizontal height,
on the surface of the expanding means 40, a plurality of balls 42 for continuously feeding the cut film forward are provided.
The die 30 includes a die housing 31 connected to the barrel 20 by an axial connecting means 60, and a core 32 of generally conical configuration.
The inner cavity of the handpiece shell 31 is of a gradually opened bell mouth structure, and a sizing material outlet groove 33 is formed in a gap between the handpiece shell 31 and the outer end part of the core 32.
A cutter 34 is provided at the vertical bottom end of the stock outlet chute 33 for cutting the extruded tubular film in the longitudinal direction.
Along the extrusion direction of the sizing material, the head shell 31 and the core 32 are positioned and tightly connected by adopting a central axis, and the rear end of the core 32 is connected with an axial positioning device.
The axial positioning device comprises an oil cylinder 51 arranged on one side of the frame 50, wherein the output rod shaft of the oil cylinder 51 is pivotally connected with one end of a rocker arm 52, and the other end of the rocker arm 52 is connected with a guide shaft 53 arranged on the central axis of the core 32.
An axial connecting device 60 is arranged between the machine barrel 20 and the machine head shell 31, the axial connecting device 60 is provided with a left clamping ring 61 and a right clamping ring 62 which simultaneously clamp and fix the machine barrel 20 and the machine head shell 31,
the left snap ring 61 and the right snap ring 62 are respectively provided with a gear 63 which is meshed with each other, and the side part of the left snap ring 61 is connected with a hydraulic cylinder 64 which is used for laterally opening or locking the axial connecting device 60.
The conveyer belt film extrusion calendering production line applying the machine head 30 and the conveyer belt film extruder 1 is sequentially provided with the extruder 1 connected with a glue material supply device, a calender 2, a roller cooling device 3, a pressing machine 4, a cutting device 5 and a glue material coiling device 6 according to the process flow.
The specific structure of the head 30 and the belt film extruder 1 is as described above in this embodiment, and will not be described again.
Based on the above-mentioned conveyer belt film extrusion calendering production line, this embodiment also provides the conveyer belt film extrusion calendering production method that includes following step:
the liquid rubber material produced according to the process formula is conveyed to an extruder 1 through a supply device for shaping and is extruded into rubber sheets,
the rubber sheet is rolled by a rolling mill 2 to smooth the surface,
then sequentially passes through a roller cooling device 3, a composite pressing machine 4 and a cutting device 5,
finally, the rubber sheet which meets the specification and size and is subjected to surface treatment is wound and stored by a rubber material winding device 6.
The improvement proposal aiming at the process of the film extrusion method is that the rubber material is conveyed to a machine head 30 through a machine barrel 20 of an extruder 1, is shaped and extruded into the film which is integrally cylindrical in the machine head 30,
the cylindrical film is continuously split longitudinally by a cutter 34 at the vertical bottom end of the sizing material outlet groove 33, and the split film falls on an expanding device 40 and is conveyed forwards continuously.
Wherein, the core mold 32 and the handpiece shell 31 which form the handpiece 30 realize the central axis positioning and fastening connection by an axial positioning device connected with the rear end of the core mold 32.
Example 2, as shown in fig. 3, is another structural schematic diagram of a film extruder, and differs from example 1 in that the axial position is along the extrusion direction of the sizing material, and the axial positioning device connected to the rear end of the core 32 comprises a nut 301 arranged on the head 30 and a screw 302 connected to the central axis of the core 32.
The expanding device 40, which constitutes the extruder 1, is provided on its surface with a plurality of universal rollers 41 for the further forward transport of the cut film.
Other configuration schemes of the conveyor belt film extruder 1, and the head 30, the conveyor belt film extrusion-calendering line, and the conveyor belt film extrusion-calendering production method are the same as those of example 1.
The extruder of this embodiment, because the nut 301 and the screw 302 are adopted at the rear end of the core 32 for fastening connection, not only is the installation accuracy of the head 30 not high compared with embodiment 1, but also the time and labor are wasted during field debugging and disassembling of the head 30, which is not favorable for the extrusion production of the conveyer belt film.
Example 3, as shown in fig. 6, there are the following differences in the structure and the manner of axial positioning of the axial positioning device as compared with example 1:
along the extrusion direction of the sizing material, the head shell 31 and the core 32 are positioned and tightly connected by adopting a central axis, and the rear end of the core 32 is connected with an axial positioning device. Wherein,
the axial positioning device comprises an air cylinder 511 arranged at one side of the frame 50, an output rod pivot of the air cylinder 511 is connected with a guide shaft 53 through a connecting rod 521, the connecting rod 521 and the guide shaft 53 are both positioned on the central axis of the core 32, and the guide shaft 53 can be fastened on the frame 50 through a locking device 54.
When the axial positioning device is used for locking, positioning and disassembling the core 32, the output rod of the air cylinder 511 horizontally pushes the guide shaft 53 forwards or backwards through the connecting rod 521, thereby realizing the axial assembly and disassembly of the core 32.
When the guide shaft 53 pushes the core 32 forward along the central axis of the core 32 to complete the installation of the handpiece housing 31 and the core 32, the position can be accurately limited by the locking device 54 at the rear end of the guide shaft 53.
In example 4, as shown in fig. 7, compared with examples 1 and 3, there are the following differences in the structure and the axial positioning manner of the axial positioning device:
along the extrusion direction of the sizing material, the head shell 31 and the core 32 are positioned and tightly connected by adopting a central axis, and the rear end of the core 32 is connected with an axial positioning device. Wherein,
the axial positioning means includes a gear 513 installed at one side of the frame 50, the gear 513 is engaged with a sliding tooth 522 of a guide shaft 53 connected to a central axis of the core 32, and the guide shaft 53 can be fastened to the frame 50 by a locking means 54.
When the axial positioning device is used for locking positioning and disassembling the core 32, other tools or devices can be used to drive and rotate the gear 513 so as to drive the guide shaft 53 to move forwards or backwards along the central axis of the core 32 through the sliding teeth 522, thereby completing the axial installation and disassembly of the core 32.
When the guide shaft 53 pushes the core 32 forward along the central axis of the core 32 to complete the installation of the handpiece housing 31 and the core 32, the position can be accurately limited by the locking device 54 at the rear end of the guide shaft 53.
In example 5, as shown in fig. 8, compared with examples 1, 3, and 4, there are the following differences in the structure and the axial positioning manner of the axial positioning device:
along the extrusion direction of the sizing material, the head shell 31 and the core 32 are positioned and tightly connected by adopting a central axis, and the rear end of the core 32 is connected with an axial positioning device. Wherein,
the axial positioning device comprises a speed reducer 514 arranged on one side of the frame 50, the speed reducer 514 is driven by a coupler 515 and is connected with a lead screw 516, the lead screw 516 is meshed with a nut 517 in a guide shaft 53 connected to the central axis of the core 32, and the guide shaft 53 can be fastened on the frame 50 through a locking device 54.
When the axial positioning device is used for locking positioning and disassembling the core 32, other tools or devices can be used to drive and rotate the gear 513 so as to drive the guide shaft 53 to move forwards or backwards along the central axis of the core 32 through the sliding teeth 522, thereby completing the axial installation and disassembly of the core 32.
As described above, the present embodiment has been described only in terms of the preferred embodiments of the present invention with reference to the accompanying drawings. It is obvious to those skilled in the art that other alternative structures according to the design concept of the present invention can be derived directly, and other structural features obtained by the alternative structures also belong to the scope of the present invention.
Claims (9)
1. The utility model provides a aircraft nose, is applied to rubber sheet production facility which characterized in that: comprises a handpiece shell (31) and a core mold (32) which is integrally in a cone structure, wherein an internal cavity of the handpiece shell (31) is in a gradually opened bell mouth structure,
the outer ends of the nose shell (31) and the core (32) form an annular glue outlet groove (33),
a cutter (34) for cutting the cylindrical film along the longitudinal direction is arranged at the position of the sizing material outlet groove (33),
along the extrusion direction of the rubber material, the head shell (31) and the core mold (32) are positioned and fixedly connected by adopting a central axis, and the rear end of the core mold (32) is connected with an axial positioning device.
2. The handpiece according to claim 1, characterized in that: the axial positioning device comprises an oil cylinder (51) arranged on one side of the frame (50), an output rod shaft of the oil cylinder (51) is pivotally connected to one end of a rocker arm (52), and the other end of the rocker arm (52) is connected to a guide shaft (53) arranged on the central axis of the core type (32).
3. A rubber sheet extruder having a barrel (20) for conveying a rubber compound, a head (30) connected to the barrel (20) for sizing and extruding the rubber compound, characterized in that:
the machine head (30) comprises a machine head shell (31) connected with the machine barrel (20) and a core mold (32) which is integrally in a cone structure, an internal cavity of the machine head shell (31) is in a gradually opened horn mouth structure,
the outer ends of the nose shell (31) and the core (32) form an annular glue outlet groove (33),
a cutter (34) for cutting the cylindrical film along the longitudinal direction is arranged at the position of the sizing material outlet groove (33),
along the extrusion direction of the rubber material, the head shell (31) and the core mold (32) are positioned and fixedly connected by adopting a central axis, and the rear end of the core mold (32) is connected with an axial positioning device.
4. The rubber sheet extruder of claim 3, wherein: the axial positioning device comprises an oil cylinder (51) arranged on one side of the frame (50), an output rod shaft of the oil cylinder (51) is pivotally connected to one end of a rocker arm (52), and the other end of the rocker arm (52) is connected to a guide shaft (53) arranged on the central axis of the core type (32).
5. The rubber sheet extruder according to claim 3 or 4, characterized in that: and a sliding trolley (38) arranged on a bottom sliding rail (37) is connected to the lower end of the machine head shell (31) or the core mould (32).
6. The rubber sheet extruder of claim 5, wherein: an axial connecting device (60) is arranged between the machine barrel (20) and the machine head shell (31), the axial connecting device (60) is provided with a left snap ring (61) and a right snap ring (62) which are used for clamping and fixing the machine barrel (20) and the machine head shell (31) simultaneously,
the left clamping ring (61) and the right clamping ring (62) are respectively provided with a gear (63) which are meshed with each other, and the side part of the left clamping ring (61) or the right clamping ring (62) is connected with a hydraulic cylinder (64) which is used for laterally opening or locking the axial connecting device (60).
7. The rubber sheet extruder of claim 6, wherein: the top of the expanding device (40) and the vertical top end of the sizing material outlet groove (33) are kept at the same horizontal height,
on the surface of the expanding device (40), a plurality of rollers (41), rollers or balls (42) are arranged for continuously conveying the cut film forwards.
8. A rubber sheet extrusion production line is sequentially provided with a feeding device, an extruder (1), a calender (2) and a roller cooling device (3) according to the process flow,
the extruder (1) is provided with a cylinder (20) for conveying rubber material, a machine head (30) which is connected with the cylinder (20) and used for shaping and extruding the rubber material, and an expanding device (40) which is used for carrying rubber sheets and continuously conveying the rubber sheets forwards,
the method is characterized in that: the machine head (30) comprises a machine head shell (31) connected with the machine barrel (20) and a core mold (32) which is integrally in a cone structure, an internal cavity of the machine head shell (31) is in a gradually opened horn mouth structure,
the outer ends of the nose shell (31) and the core (32) form an annular glue outlet groove (33),
a cutter (34) for cutting the cylindrical film along the longitudinal direction is arranged at the position of the sizing material outlet groove (33),
along the extrusion direction of the rubber material, the head shell (31) and the core mold (32) are positioned and fixedly connected by adopting a central axis, and the rear end of the core mold (32) is connected with an axial positioning device.
9. The rubber sheet extrusion line of claim 8, wherein: the axial positioning device comprises an oil cylinder (51) arranged on one side of the frame (50), an output rod shaft of the oil cylinder (51) is pivotally connected to one end of a rocker arm (52), and the other end of the rocker arm (52) is connected to a guide shaft (53) arranged on the central axis of the core type (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202964901U CN201841658U (en) | 2010-08-19 | 2010-08-19 | Machine head as well as sheet rubber extruder and extruding production line applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202964901U CN201841658U (en) | 2010-08-19 | 2010-08-19 | Machine head as well as sheet rubber extruder and extruding production line applying same |
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| Publication Number | Publication Date |
|---|---|
| CN201841658U true CN201841658U (en) | 2011-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202964901U Expired - Fee Related CN201841658U (en) | 2010-08-19 | 2010-08-19 | Machine head as well as sheet rubber extruder and extruding production line applying same |
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| CN (1) | CN201841658U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371667A (en) * | 2010-08-17 | 2012-03-14 | 青岛北海机械设备有限责任公司 | Machine head, rubber sheet material extruder adopting the machine head, extrusion production line and extrusion production method |
| CN103906618A (en) * | 2011-09-30 | 2014-07-02 | 热电子(卡尔斯鲁厄)有限公司 | extruder |
| CN109702981A (en) * | 2018-12-29 | 2019-05-03 | 四川省华蓥市辽望实业有限公司 | A kind of cross-head of inlet |
| CN112145512A (en) * | 2020-10-21 | 2020-12-29 | 张家港市兰航机械有限公司 | Hoop mechanism of extruder |
-
2010
- 2010-08-19 CN CN2010202964901U patent/CN201841658U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371667A (en) * | 2010-08-17 | 2012-03-14 | 青岛北海机械设备有限责任公司 | Machine head, rubber sheet material extruder adopting the machine head, extrusion production line and extrusion production method |
| CN103906618A (en) * | 2011-09-30 | 2014-07-02 | 热电子(卡尔斯鲁厄)有限公司 | extruder |
| CN109702981A (en) * | 2018-12-29 | 2019-05-03 | 四川省华蓥市辽望实业有限公司 | A kind of cross-head of inlet |
| CN112145512A (en) * | 2020-10-21 | 2020-12-29 | 张家港市兰航机械有限公司 | Hoop mechanism of extruder |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110525 Termination date: 20130819 |