CN112372977A

CN112372977A - Dynamic extrusion molding device for rubber

Info

Publication number: CN112372977A
Application number: CN202011151321.3A
Authority: CN
Inventors: 吴勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-25
Filing date: 2020-10-25
Publication date: 2021-02-19

Abstract

The utility model provides a rubber developments extrusion moulding device, includes extruder, connection structure, the structure of blowing, drive structure and block up the structure, and connection structure includes fixed frame, connection frame, and the structure of blowing includes sealed frame, heater, jam piece and check valve. According to the invention, the moving frame which moves back and forth along the axial direction is arranged, and the fixed frame and the sealing frame are respectively arranged inside and outside the moving frame, so that two modes of accelerating rubber extrusion can be realized, one mode is that heated air in the sealing frame can be blown into the fixed frame from the second through hole when the moving frame moves towards the direction close to the extruder, so that the forward movement of rubber in the fixed frame is accelerated, and the other mode is that hot air in the extruder can rapidly flow into the moving frame under the action of blocking of the blocking piece when the moving frame moves towards the direction away from the extruder, so that the rapid extrusion of rubber can be accelerated, the hot air in the extruder can also rapidly flow into the moving frame, the solidification of rubber is prevented, and the flowability of the rubber can be maintained.

Description

Dynamic extrusion molding device for rubber

Technical Field

The invention relates to the technical field of rubber processing, in particular to a dynamic rubber extrusion molding device.

Background

In the process of processing and manufacturing rubber, the rubber is often required to be molded by an extrusion mode. However, the existing extrusion mode is often static extrusion, and due to high viscosity and poor fluidity of rubber, large extrusion force needs to be applied during static extrusion, so that higher requirements are put on an extruder; meanwhile, the rubber has high viscosity, so that the extrusion efficiency is lower, the overall processing and manufacturing cost of the rubber is influenced, and the popularization in the field of rubber processing and manufacturing is not facilitated.

Therefore, there is a need to provide a new technical solution to overcome the above-mentioned drawbacks.

Disclosure of Invention

The invention aims to provide a dynamic extrusion molding device for rubber, which can effectively solve the technical problems.

In order to achieve the purpose of the invention, the following technical scheme is adopted:

a rubber dynamic extrusion molding device comprises an extruder, the rubber dynamic extrusion molding device further comprises a connecting structure arranged on a machine head of the extruder, a blowing structure arranged on the connecting structure, a driving structure arranged in the blowing structure and a blocking structure arranged on the driving structure, the connecting structure comprises a fixed frame, a connecting frame arranged between the fixed frame and the machine head, the blowing structure comprises a sealing frame, a heater arranged in the sealing frame, a blocking block and a one-way valve arranged on the sealing frame, the driving structure comprises a movable frame, the end surface of the fixed frame close to the machine head is provided with a first through hole and a plurality of second through holes which are arranged around the first through hole and along the circumferential equidistance, one end of the connecting frame is aligned with the first through hole and is fixedly connected with the fixed frame, the other end of the connecting frame is over against the outlet of the machine head, one end of the fixing frame close to the machine head is accommodated in the sealing frame, the connecting frame penetrates through the inner surface and the outer surface of the sealing frame and is in sliding contact with the inner surface and the outer surface, one end of the sealing frame, which is far away from the machine head, is provided with an opening, one end of the movable frame close to the machine head penetrates through the opening and is positioned between the sealing frame and the fixed frame, the moving frame is respectively connected with the sealing frame and the fixed frame in a sliding way, the radial outer curved surface of the second through hole is coplanar with the inner circumferential surface of the fixed frame, the plugging block is arranged opposite to the second through hole, a third through hole is arranged on the end surface of the sealing frame close to the machine head, the third through hole is formed in the radial outer portion of the fixing frame, and the check valve is contained in the third through hole and is fixedly connected with the circumferential surface of the third through hole.

Preferably, the connecting structure further comprises a fixing plate arranged on the connecting frame, the connecting frame axially penetrates through two axial end faces of the fixing plate and is fixedly connected with the fixing plate, and the fixing plate is fixedly connected with the connecting block on the machine head.

Preferably, the central axes of the fixed frame, the connecting frame, the moving frame and the sealing frame are collinear.

Preferably, the driving structure further comprises a connecting rod arranged outside the moving frame, a push rod arranged on the connecting rod, and a cylinder arranged on the push rod.

Preferably, the one end of connecting rod with carriage fixed connection, the catch bar sets up along the axial, the one end of catch bar with connecting rod fixed connection, the other end of catch bar with the cylinder is connected.

Preferably, the blocking structure includes the plugging member, set up in dead lever on the plugging member, set up in actuating lever on the dead lever, set up in the rotatory frame of actuating lever one end, set up in spring in the rotatory frame, set up in rotatory frame outside pivot, set up in epaxial motor rotates.

Preferably, the plugging member is round platform form, the one end that the area is little in the axial of plugging member accept in remove the frame, the circumference inclined plane top of plugging member leans on remove the tip of frame.

Preferably, the dead lever is radially arranged, one end of the dead lever and the blocking piece are fixedly connected, the driving rod is axially arranged, one end of the driving rod is fixedly connected with the dead lever, the radial section of the driving rod is non-circular, the other end of the driving rod is accommodated in one end of the rotating frame and is in sliding contact with the one end of the rotating frame, the inner cavity of the rotating frame is matched with the shape of the driving rod, one end of the spring is fixedly connected with the end portion of the driving rod, and the other end of the spring is fixedly connected with the inner surface of the rotating frame.

Preferably, the one end of pivot with the other end fixed connection of rotatory frame, the pivot sets up along the axial, the other end of pivot with the motor is connected, drive structure still includes the support frame, the one end of support frame with remove frame fixed connection, the motor with support frame fixed connection.

Preferably, the blocking structure further comprises a bearing and a support rod arranged on the bearing, the rotating shaft penetrates through an inner ring of the bearing and is fixedly connected with the inner ring, one end of the support rod is fixedly connected with an outer ring of the bearing, and the other end of the support rod is fixedly connected with the support frame.

Compared with the prior art, the invention has the following beneficial effects: according to the dynamic rubber extrusion molding device, the moving frame which moves back and forth along the axial direction is arranged, and the fixed frame and the sealing frame are respectively arranged inside and outside the moving frame, so that two modes of accelerating rubber extrusion can be realized, one mode is that heated air in the sealing frame can be blown into the fixed frame from the second through hole when the moving frame moves towards the direction close to the extruder, so that the forward movement of rubber in the fixed frame is accelerated, and the other mode is that hot air in the extruder can rapidly flow into the moving frame under the blocking effect of the blocking piece when the moving frame moves towards the direction away from the extruder, so that the rapid extrusion of the rubber can be accelerated, the hot air in the extruder can also rapidly flow into the moving frame, the rubber solidification is prevented, and the flowability of the rubber can be kept; the second through hole is arranged, and the radial outer curved surface of the second through hole is coplanar with the inner circumferential surface of the fixing frame, so that air blown out through the second through hole can flow along the inner circumferential surface of the fixing frame along the axial direction, the adhesion between the rubber and the inner circumferential surface of the fixing frame can be reduced, and the flowability of the rubber is improved; meanwhile, the circular truncated cone-shaped design of the blocking piece can ensure that the blocking piece can conveniently rotate into the end part of the movable frame to block the movable frame, the movable frame can be conveniently screwed out to move to the outside of the movable frame, and air blown into the fixed frame can be smoothly discharged; the third through hole and the one-way valve which are arranged on the radially outer part of the fixed frame can blow air in the sealing frame into the fixed frame, and can supplement external air into the sealing frame in time for heating, so that the two modes are alternately carried out.

Drawings

FIG. 1 is a schematic structural view of a dynamic extrusion molding apparatus for rubber of the present invention;

FIG. 2 is a sectional view taken along the line A-A' of the dynamic extrusion molding apparatus for rubber of the present invention shown in FIG. 1;

FIG. 3 is a sectional view taken along the direction B-B' of the dynamic extrusion molding apparatus for rubber of the present invention shown in FIG. 1;

FIG. 4 is a cross-sectional view taken along the direction C-C' of the dynamic extrusion molding apparatus for rubber of the present invention shown in FIG. 1;

FIG. 5 is an enlarged view of a portion D of the dynamic rubber extrusion molding apparatus of the present invention shown in FIG. 1.

Detailed Description

The dynamic rubber extrusion molding apparatus of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 5, the dynamic extrusion molding device for rubber of the present invention includes an extruder 1, a connecting structure 2 disposed on a nose of the extruder 1, a blowing structure 3 disposed on the connecting structure 2, a driving structure 4, and a blocking structure 5 disposed on the driving structure 4.

As shown in fig. 1, the extruder 1 is a common extruder on the market, the extruder is used for extruding and molding rubber, the extruder includes a machine head and a connecting plate 11 disposed on an outer circumferential surface of the machine head, the machine head penetrates through two axial end surfaces of the connecting plate 11 and is fixedly connected with the two axial end surfaces, and one axial end surface of the connecting plate 11 is coplanar with one axial end surface of the machine head.

As shown in fig. 1 to 3 and 5, the connecting device 2 includes a fixing frame 21, a connecting frame 22 provided between the fixing frame 22 and the head of the extruder 1, and a fixing plate 23 provided on the connecting frame 22. The fixed frame 21 can be the cuboid, also can be the cylinder, or other geometry, in this embodiment, fixed frame 21 is preferably the cylinder, fixed frame 21 axial one end is aimed at the aircraft nose of extruder 1, preferably, the central axis of fixed frame 21 with the central axis collineation of the aircraft nose of extruder 1, be equipped with on the fixed frame 21 and be located its first through-hole 211 that is close to on the aircraft nose one end terminal surface of extruder 1 and be located around the first through-hole 21 and be the second through-hole 212 that circumference distributes, first through-hole 211 can be the rectangle, also can be circular, or other shapes, in this embodiment, first through-hole 211 is preferably circular, the central axis of first through-hole 211 is preferred with the central axis collineation of fixed frame 21. The number of the second through holes 212 is several, the second through holes 212 are preferably distributed on the end surface of the fixing frame 21 near the head end of the extruder 1 at equal intervals in the circumferential direction, the central axis of the circle surrounded by the second through holes 212 is collinear with the central axis of the fixing frame 21, and preferably, the radially outer curved surface of the second through holes 212 is coplanar with the inner circumferential surface of the fixing frame 21, so that the air injected into the fixing frame 21 from the second through holes 212 flows against the inner circumferential surface of the fixing frame 21. The connection frame 22 can be a cuboid, can also be a cylinder, or other geometric solid, in this embodiment, the connection frame 22 is preferably a hollow cylinder, the axial both ends of the connection frame 22 communicate with each other, the axial one end of the connection frame 22 is aimed at the outlet of the head of the extruder 1, so that the rubber extruded by the head of the extruder 1 enters into the connection frame 22, the axial other end of the connection frame 22 is aimed at the first through hole 211 and is fixedly connected with the axial end face of the fixed frame 21, so that the inside of the connection frame 22 is communicated with the inside of the fixed frame 21 through the first through hole 211, the axial length of the connection frame 22 is preferably obviously less than the axial length of the fixed frame 21, so that the rubber in the connection frame 22 is obviously less than the rubber in the fixed frame 21. The fixed plate 23 set up in keep away from in the connecting frame 22 axial the one end of fixed frame 21, the fixed plate 23 can be the cuboid, also can be the cylinder, in other embodiments, the fixed plate 23 also can be other geometry, in this embodiment, the fixed plate 23 is the preferred cylinder, the connecting frame 22 runs through the axial both ends face of fixed plate 23 and rather than fixed connection, the axial of fixed plate 23 is kept away from the terminal surface of fixed frame 21 with the axial of connecting frame 22 is kept away from the terminal surface coplane of fixed frame 21. The fixing plate 23 abuts against the connecting block 11, and the fixing plate 23 and the connecting block 11 are relatively fixed by screws or bolts, so that the present invention is fixed on the head of the extruder 1, and the connecting frame 22 can be communicated with the inside of the head of the extruder 1.

The connecting structure 2 is arranged to realize the communication between the fixing frame 21 and the interior of the head of the extruder 1, so that the rubber in the head of the extruder 1 can enter the fixing frame 21; and the length of the connecting frame 22 in the axial direction is obviously less than the axial length of the fixed frame 21, so that the rubber in the connecting frame 22 is obviously less than the fixed frame 21, most of the rubber can be ensured to be in the fixed frame 21, the matching of the blowing structure 3 and the driving structure 4 applies pulling force and pushing force to the rubber in the connecting structure 22, the extrusion of the rubber is accelerated when the rubber is extruded, and the production and manufacturing efficiency is improved.

As shown in fig. 1 to 3 and 5, the air blowing structure 3 includes a sealing frame 31, a heater 32 disposed in the sealing frame 31, a blocking block 33, and a check valve 34 disposed on the sealing frame 31. The shape of the sealing frame 31 is adapted to the shape of the fixing frame 21, in this embodiment, the fixing frame 21 is a cylinder, the sealing frame 31 is also a cylinder, the central axis of the sealing frame 31 is collinear with the central axis of the fixing frame 21, an axial end surface of the sealing frame 31, which is away from the head of the extruder 1, is provided with an opening, the fixing frame 21 is partially accommodated in the sealing frame 31, a gap exists between the outer circumferential surface of the fixing frame 21 and the inner circumferential surface of the sealing frame 31, the connecting frame 22 penetrates through the inner and outer surfaces of the sealing frame 31 and is in sliding contact therewith, so that the sealing frame 31 can be stably moved on the connecting frame 22 and the fixing frame 21 in the axial direction, a third through hole 311 is formed on the axial end surface of the sealing frame 31, which is close to the head of the extruder 1, and the third through hole 311 penetrates through the inner and outer surfaces of the sealing frame, the third through hole 311 is located at the radial outer side of the fixing frame 21 to prevent the fixing frame 21 from blocking the third through hole 311. The heater 32 is disposed on the inner circumferential surface of the sealing frame 31, the heater 32 is a common heater in the market, and belongs to the prior art, and therefore, the details are not repeated herein, the heater 32 is electrically connected to a power supply (not shown) to provide electric energy for the heater, so that the heater can normally operate, a switch (not shown) is disposed on the heater 32, and the switch is disposed outside the sealing frame 31, and simultaneously, the switch penetrates through the inner and outer surfaces of the sealing frame 31 through an electric wire to achieve the electrical connection between the switch and the heater 32, thereby facilitating the control of a user. The number of the blocking blocks 33 is the same as that of the second through holes 212, the number of the blocking blocks 33 corresponds to that of the second through holes 212, the shape of the blocking blocks 33 is matched with that of the second through holes 212, one end of each blocking block 33 is fixedly connected with the inner surface of the corresponding sealing frame 33, the position of each blocking block 33 is opposite to that of the corresponding second through hole 212, when the corresponding sealing frame 31 moves axially and abuts against the axial end face, close to the head of the extruder 1, of the corresponding fixing frame 21, the corresponding blocking block 33 is accommodated in the corresponding second through hole 212, the circumferential side face of the corresponding blocking block 33 abuts against the inner circumferential face of the corresponding second through hole 212 so as to block the corresponding second through hole 212, and the corresponding blocking blocks 33 are made of a sealing material, wherein the blocking blocks 33 are preferably made of a rubber material. The check valve 34 is disposed in the third through hole 311, the check valve 34 is fixedly connected to an inner circumferential surface of the third through hole 311, the check valve 34 blocks the third through hole 311, and the check valve 34 allows external air to enter the sealing frame 31 through the third through hole 311 without allowing the air in the sealing frame 31 to be discharged outside through the third through hole 311. In the axial direction, the distance between the axial end surface of the sealing frame 31 close to the fixing plate 23 and the axial end surface of the fixing plate 23 close to the sealing frame 31 is greater than the axial length of the plugging block 33, so that when the sealing frame 31 moves towards the fixing plate 23, the plugging block 33 can completely separate from the second through hole 212, and air can be blown towards the fixing frame 21 through the second through hole 212.

The air blowing structure 3 is arranged to drive the sealing frame 31 to move back and forth along the axial direction through the driving structure 4, and can be matched with the driving structure 4 to blow air towards the inside of the fixing frame 21 through the second through hole 212 so as to achieve the purpose of pushing the extruded rubber to move forward, and the air flows along the inner circumferential surface of the fixing frame 21, so that the extruded rubber can be prevented from being adhered to the inner circumferential surface of the fixing frame 21; and the heater 32 can heat the air in the sealing frame 31 so that the air blown into the fixing frame 21 is hot air, thereby preventing cold air from accelerating the solidification of the extruded rubber and facilitating the rapid forward movement of the rubber.

As shown in fig. 1, 3 and 4, the driving structure 4 includes a moving frame 41, a connecting rod 42 disposed on the moving frame 41, a pushing rod 43 disposed on the connecting rod 42, an air cylinder 44 disposed on the pushing rod 43, and a supporting frame 45 disposed outside the moving frame 41. The shape of the movable frame 41 is adapted to the shapes of the fixed frame 21 and the sealing frame 31, in this embodiment, the movable frame 41 is a hollow cylinder and has two end faces in the axial direction communicated with each other, one end of the movable frame 41 in the axial direction is accommodated in the sealing frame 31, the outer circumferential surface of the movable frame 41 abuts against the inner circumferential surface of the sealing frame 31 and is in sliding contact with each other, so that the movable frame 41 can move axially in the sealing frame 31, meanwhile, one end of the fixed frame 21 in the axial direction is accommodated in the movable frame 41, the outer circumferential surface of the fixed frame 21 abuts against the inner circumferential surface of the movable frame 41 and is in sliding contact with the inner circumferential surface, so that the movable frame 41 can move stably in the axial direction between the fixed frame 21 and the sealing frame 31, and the movable frame 41 is in sealed connection with the fixed frame 21 and the sealing frame 31, for example, sealing structures such as sealing rings are disposed between the movable frame 41 and the fixed frame 21 and between the movable frame 41 and the sealing frame 41, which belong to the prior art and are not described herein again. One end of the connecting rod 42 is fixedly connected to the moving frame 41, and the connecting rod 42 is disposed on the outer circumferential surface of the moving frame 41 and extends in the radial direction. The push rod 43 is axially arranged, the push rod 43 is positioned outside the sealing frame 31, the push rod 43 is arranged opposite to the connecting rod 42, and one end of the push rod 43 is fixedly connected with the connecting rod 42. Be equipped with switch (not shown in the drawing) on the cylinder 44, conveniently control it and open or close, the other end of catch bar 43 with the cylinder 44 is connected, makes the cylinder 44 can drive catch bar 43 is along axial round trip movement, support frame 45 is the form of buckling, the one end of support frame 45 with the outer periphery fixed connection of removal frame 41, the other end of support frame 45 sets up along the axial, support frame 45 set up be used for right blocking structure 5 plays the fixed effect of support.

The driving structure 4 can drive the pushing rod 43 to move back and forth along the axial direction through the air cylinder 44, and further make the moving frame 41 move back and forth along the axial direction through the connecting rod 42, when the moving frame 41 moves towards the nose direction of the extruder 1, the moving frame 41 pushes the air between the moving frame 41 and the sealing frame 31, so that the sealing frame 31 moves towards the nose direction of the extruder 1, so that the sealing frame 31 abuts against the fixing plate 23, since the distance between the end surface of the sealing frame 31 close to the fixing plate 23 and the fixing plate 23 close to the sealing frame 31 is greater than the axial length of the blocking block 33, so that when the sealing frame 31 abuts against the fixing plate 23, the blocking block 33 can move out of the second through hole 212, and then the moving frame 41 continues to move towards the nose direction of the extruder 1, so that the air in the sealing frame 31 pressed by the moving frame 41 is blown into the fixing frame 21 through the second through hole 212, and the gas is heated by the heater 32, because the radial outer curved surface of the second through hole 212 is coplanar with the inner circumferential surface of the fixing frame 21, the hot air ejected through the second through hole 212 flows along the inner circumferential surface of the fixing frame 21, so as to push the extruded rubber in the fixing frame 21 to be pushed forward, and the rubber can be prevented from being adhered to the inner circumferential surface of the fixing frame 21, thereby accelerating the forward flow of the rubber and increasing the fluidity of the rubber; when the moving frame 41 moves in a direction away from the head of the extruder 1, because one end of the moving frame 41 away from the head of the extruder 1 is blocked by the blocking structure 5, when the moving frame 41 moves in a direction away from the head of the extruder 1, the air pressure between the moving frame 41 and the sealing frame 31 decreases rapidly, then the sealing frame 31 moves leftward, so that the blocking block 33 is received in the second through hole 212 rapidly and blocks the second through hole 212, then the air pressure between the moving frame 41 and the sealing frame 31 decreases continuously, at this time, external air can enter the sealing frame 31 through the check valve 34, so as to balance the air pressure in the sealing frame 31, at this time, the moving frame 41 moves, so that the air in the fixing frame 21 and the moving frame 41 can flow leftward, and further, the extruded rubber in the fixing frame 21 and the moving frame 41 can be driven to move along with the moving frame, thereby increasing the moving speed and efficiency of the rubber, and time is saved.

As shown in fig. 1 and 4, the blocking structure 5 includes a blocking member 51, a fixing rod 52 disposed radially outside the blocking member 51, a driving rod 53 disposed on the fixing rod 52, a rotating frame 54 disposed on the driving rod 53, a spring disposed in the rotating frame 54, a rotating shaft 55 disposed outside the rotating frame 54, a motor 56 disposed on the rotating shaft 55, a bearing 57, and a supporting rod 58 disposed on the bearing 57. The stifled plug member 51 is the round platform form, the less terminal surface of stifled plug member 51 axial upper area accept in the removal frame 41, the outer periphery top of stifled plug member 51 is leaned on remove the frame 41 and is kept away from on the axial terminal surface of the aircraft nose of extruder 1, so that will remove the frame 41 and keep away from the tip of the aircraft nose of extruder 1 is blockked up. The fixing rod 52 extends in the radial direction of the blocking member 51, and one end of the fixing rod 52 is fixedly connected with the outer circumferential surface of the blocking member 51. The driving rod 53 extends axially, one end of the driving rod 53 is fixedly connected with the fixing rod 52, and the driving rod 53 may be a rectangular parallelepiped or other geometric body with a non-circular cross section. The rotating frame 54 is axially arranged, an opening is formed in the end portion, close to the fixed rod 52, of the rotating frame 54, the shape of an inner cavity of the rotating frame 54 is matched with the shape of the driving rod 53, the other end of the driving rod 53 is contained in the rotating frame 54 and is in sliding contact with the inner surface of the rotating frame 54, so that the driving rod 53 can axially move in the rotating frame 54, and due to the fact that the driving rod 53 is a geometric body with a non-circular cross section, the shape of the inner cavity of the rotating frame 54 is matched with the driving rod 53, when the rotating frame 54 rotates, the driving rod 53 can be driven to rotate. The spring is accommodated in the rotating frame 54, one end of the spring is fixedly connected with the end part of the driving rod 53, and the other end of the spring is fixedly connected with the inner surface of the rotating frame 54. The rotating shaft 55 is axially disposed, one end of the rotating shaft 55 is fixedly connected to the end surface of the rotating frame 54 far away from the fixing rod 52, and the other end of the rotating shaft 55 is connected to the motor 56, so that the motor 56 can drive the rotating shaft 55 to rotate. The motor 56 is electrically connected with a power supply (not shown) to provide electric energy for the motor 56, so that the motor can normally operate, a switch (not shown) is arranged on the motor 56 to conveniently control the motor to be turned on or turned off, and the motor 56 is fixedly connected with the support frame 45 so as to support and fix the motor. The rotating shaft 55 passes through the inner ring of the bearing 57 and is fixedly connected with the inner ring. One end of the support rod 57 is fixedly connected with the support frame 45, and the other end of the support rod 57 is fixedly connected with the outer ring of the bearing 56 so as to support the rotating shaft 55.

The blocking structure 5 can be arranged to rotate the rotating shaft 55 by driving the motor 56, so as to rotate the rotating frame 54, and then the driving rod 53, the fixing rod 52 and the blocking member 51 rotate along with the rotating shaft, because the blocking member 51 is partially accommodated in the moving frame 41, and the side surface of the blocking member 51 is in the shape of a circumferential inclined surface, when the blocking member 51 rotates, the outer circumferential inclined surface of the blocking member 51 and the end surface of the moving frame 41 slide relatively, the moving frame 41 pushes the blocking member 51, so that the blocking member moves outwards in the axial direction, and the blocking member 51 also rotates along with the axial movement process until the blocking member 51 is outside the moving frame 41 and rotates upwards, and the blocking member does not block the inside of the moving frame 41 after rotating 180 degrees and is right above the moving frame 41, at this time, the extruded rubber in the moving frame 41 can be discharged. Therefore, the circular truncated cone-shaped design of the blocking member 51 can block the end opening of the moving frame 41, and in the process of rotating the blocking member to be not blocked, the inclined surface of the blocking member 51 is matched to enable the blocking member to be smoothly separated from the moving frame 41, so that the extruded rubber in the moving frame 41 is smoothly discharged, and when the motor 56 drives the blocking member 51 to continuously rotate to block the end of the moving frame 41 again, the inclined surface of the blocking member 51 can be matched to enable the blocking member 51 to be smoothly rotated to the opening of the moving frame 41 and block the opening; the arrangement of the rotating frame 54, the driving rod 53 and the spring enables the blocking member 51 to move in the axial direction smoothly, so as to meet the use requirements of blocking and opening.

As shown in fig. 1 to 5, when the dynamic extrusion molding device for rubber of the present invention is used, the connection tube 22 of the present invention is first aligned with the head opening of the extruder 1, then the fixing plate 23 is abutted against the connection block 11, and the fixing plate 23 and the connection block 11 are fixedly connected together by screws or bolts, so as to install the present invention on the head of the extruder 1. During the extrusion, the molten rubber extruded from the head of the extruder 1 enters the connecting pipe 22 and then enters the fixing frame 21. Then, the air cylinder 44 drives the pushing rod 43 to move back and forth along the axial direction, so that the connecting rod 42 and the moving frame 41 move back and forth along the axial direction, and the following description describes the usage process of the moving frame 41 moving along the head direction close to the extruder 1 and moving along the head direction away from the extruder 1 respectively:

first, when the moving frame 41 moves in the axial direction to the head closest to the extruder 1 and starts to move in the direction away from the head of the extruder 1, the moving frame 41 moves in the direction away from the extruder 1, the space between the movable frame 41 and the inside of the sealing frame 31 and the outside of the fixed frame 21 is increased, and the air pressure is decreased, then the sealing frame 31 moves along with the moving frame 41, on one hand, so that one end face in the axial direction of the inner cavity of the sealing frame 41 is abutted against one outer end face in the axial direction of the fixed frame 21, on the other hand, the air outside the sealing frame 31 enters the sealing frame 31 through the one-way valve 34, so as to supplement the gas in the sealing frame 31, and can be heated by the heater 32 in the sealing frame 31, so that the hot air can be conveniently blown into the fixing frame 21, at this time, the second through hole 212 is blocked by the blocking block 33, so that the gas in the sealing frame 31 does not enter the fixing frame 21; meanwhile, as the blocking member 51 blocks the opening of the moving frame 41 and the moving frame 41 moves leftwards, the space maintained inside the moving frame 41 and the fixed frame 21 is increased, and the gas cannot be supplemented in time in a short time, so that negative pressure is generated in the moving frame 41 and the fixed frame 21, then the gas inside the extruder 1 is sucked into the fixed frame 21 and the moving frame 41 in the process of moving the moving frame 41 in the direction away from the extruder 1, the moving gas flow can further drive the extruded rubber in the fixed frame 21 and the moving frame 41 to move in the direction away from the extruder 1, the discharge efficiency and speed of the extruded rubber are increased, and the air in the extruder 1 is accelerated to move into the fixed frame 21 and the moving frame 41, at the moment, the temperature of the gas flowing into the fixed frame 21 and the moving frame 41 in the extruder 1 is still high, so that the rubber in the fixed frame 21 and the moving frame 41 can be effectively prevented from being solidified, the extrusion efficiency is better, and the effect is more obvious;

secondly, when the movable frame moves to the farthest position from the extruder 1 and starts to move towards the extruder 1, at this time, the motor 56 drives the rotating shaft 55 to rotate, the rotating frame 54, the driving rod 53, the fixing rod 52 and the blocking member 51 rotate along with the rotating shaft, due to the arrangement of the outer circumferential inclined surface of the blocking member 51, the blocking member 51 slides with the end of the movable frame 41, and the blocking member 51 moves in the direction away from the extruder 1 in the axial direction, and the blocking member 51 continues to rotate until the blocking member 51 moves out of the movable frame 41 and rotates to the position right above the movable frame 41, at this time, the movable frame 41 moves in the direction close to the extruder 1, then the gas between the movable frame 41, the inside of the sealing frame 31 and the outside of the fixed frame 21 is squeezed, due to the arrangement of the one-way valve 34, the gas in the sealing frame 31 and outside the fixed frame 21 cannot be discharged from the one-way valve 34, at this time, the sealing frame 31 first moves in the, until the sealing frame 31 abuts against the fixing plate 23, at this time, the blocking block 33 is separated from the second through hole 212, and then the gas which is extruded and heated by the heater 32 in the sealing frame 31 and outside the fixing frame 21 is discharged into the fixing frame 21 through the second through hole 212, so as to push the extruded rubber in the fixing frame 21 to be pushed in the direction away from the extruder 1, so as to accelerate the discharging efficiency, and because the air is heated, not only the solidification of the rubber is not accelerated, but also the fluidity of the rubber is increased, so that the rubber flows forward and is discharged as soon as possible; meanwhile, as the radial outer curved surface of the second through hole 212 is coplanar with the inner circumferential surface of the fixing frame 21, hot air exhausted through the second through hole 212 flows forwards along the inner circumferential surface of the fixing frame 21, thereby preventing rubber from being adhered to the inner circumferential surface of the fixing frame 21, being beneficial to reducing the adhesion between the rubber and the fixing frame 21, accelerating the flowing of the rubber and improving the extrusion efficiency.

Through the above-mentioned reciprocal removal of making a round trip along the axial of removal frame 41 to the rubber of extruding in fixed frame 21 of periodic is sucked and is promoted, accelerates to the mode diversification that the rubber was extruded, and the mode of two kinds of promotion realizes going on in periodic and alternative through connection structure 2, the structure of blowing 3 and drive structure 4, the cooperation each other of jam structure 5, not only can increase the mobility of rubber, and can reduce the adhesion between rubber and the fixed frame 21 inner circumference, improves the efficiency that the rubber was extruded. So far, the use process of the dynamic rubber extrusion molding device is described.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides a rubber developments extrusion moulding device, includes the extruder, its characterized in that: the rubber dynamic extrusion molding device further comprises a connecting structure arranged on the machine head of the extruder, a blowing structure arranged on the connecting structure, a driving structure arranged in the blowing structure and a blocking structure arranged on the driving structure, the connecting structure comprises a fixed frame, a connecting frame arranged between the fixed frame and the machine head, the blowing structure comprises a sealing frame, a heater arranged in the sealing frame, a blocking block and a one-way valve arranged on the sealing frame, the driving structure comprises a movable frame, the end surface of the fixed frame, which is close to the machine head, is provided with a first through hole and a plurality of second through holes which are arranged around the first through hole and along the circumferential equidistance, one end of the connecting frame is aligned with the first through hole and is fixedly connected with the fixed frame, and the other end of the connecting frame is just opposite to the outlet of the machine head, the one end that fixed frame is close to the aircraft nose accept in the sealed frame, the connection frame runs through the inside and outside surface of sealed frame and rather than sliding contact, the one end that the aircraft nose was kept away from to the sealed frame is equipped with the opening, the one end that removes the frame and be close to the aircraft nose passes the opening and is in between sealed frame and the fixed frame, remove the frame respectively with sealed frame and fixed frame sliding connection, the radial outer curved surface of second through-hole with the interior circumferential surface coplane of fixed frame, the jam piece with the second through-hole sets up relatively, the sealed frame is close to be equipped with the third through-hole on the terminal surface of aircraft nose, third through-hole department in the radial outside of fixed frame, the check valve accept in the third through-hole and with the periphery fixed connection of third through-hole.

2. The dynamic extrusion molding apparatus for rubber according to claim 1, wherein: the connecting structure further comprises a fixing plate arranged on the connecting frame, the connecting frame penetrates through the axial two end faces of the fixing plate and is fixedly connected with the axial two end faces, and the fixing plate is fixedly connected with the connecting block on the machine head.

3. The dynamic extrusion molding apparatus for rubber according to claim 2, wherein: the central axes of the fixed frame, the connecting frame, the movable frame and the sealing frame are collinear.

4. A dynamic extrusion molding apparatus for rubber according to claim 3, wherein: the driving structure further comprises a connecting rod arranged outside the moving frame, a push rod arranged on the connecting rod and a cylinder arranged on the push rod.

5. The dynamic extrusion molding apparatus for rubber according to claim 4, wherein: the one end of connecting rod with carriage fixed connection, the catch bar sets up along the axial, the one end of catch bar with connecting rod fixed connection, the other end of catch bar with the cylinder is connected.

6. The dynamic extrusion molding apparatus for rubber according to claim 5, wherein: the blocking structure comprises a blocking piece, a fixed rod arranged on the blocking piece, a driving rod arranged on the fixed rod, a rotary frame arranged at one end of the driving rod, a spring arranged in the rotary frame, a rotating shaft arranged outside the rotary frame and a motor arranged in the rotating shaft.

7. The dynamic extrusion molding apparatus for rubber according to claim 6, wherein: the plugging piece is round platform form, the one end that the area is little on the plugging piece axial accept in remove in the frame, the circumference inclined plane top of plugging piece leans on remove the tip of frame.

8. The dynamic extrusion molding apparatus for rubber according to claim 7, wherein: the dead lever is along radially setting up, the one end of dead lever with jam piece fixed connection, the actuating lever sets up along the axial, the one end of actuating lever with dead lever fixed connection, the radial cross-section of actuating lever is non-circular, the other end of actuating lever accept in the one end of revolving frame and rather than sliding contact, the inner chamber of revolving frame with the shape looks adaptation of actuating lever, the one end of spring with the tip fixed connection of actuating lever, the other end of spring with the internal surface fixed connection of revolving frame.

9. The dynamic extrusion molding apparatus for rubber according to claim 8, wherein: the one end of pivot with the other end fixed connection of rotatory frame, the pivot sets up along the axial, the other end of pivot with the motor is connected, drive structure still includes the support frame, the one end of support frame with remove frame fixed connection, the motor with support frame fixed connection.

10. The dynamic extrusion molding apparatus for rubber according to claim 9, wherein: the blocking structure further comprises a bearing and a supporting rod arranged on the bearing, the rotating shaft penetrates through an inner ring of the bearing and is fixedly connected with the inner ring, one end of the supporting rod is fixedly connected with an outer ring of the bearing, and the other end of the supporting rod is fixedly connected with the supporting frame.