Electric cylinder extrusion device and extrusion system

Abstract

The utility model provides an electric cylinder extrusion device and an extrusion system, and belongs to the technical field of extrusion equipment manufacturing. The electric cylinder extrusion device comprises a cylinder body, an extrusion head and a linear driving unit; a piston push rod is mounted in the cylinder body; the extrusion head and the cylinder body are coaxially arranged and distributed at intervals; the outer wall of the piston push rod is hermetically matched with the inner wall of a pipe cavity of the extrusion head; and the linear driving unit is in transmission connection with the piston push rod and is configured to be capable of driving the piston push rod to do reciprocating linear motion in the extrusion head so as to extrude out materials in the extrusion head. The electric cylinder extrusion device has the advantages of being high in raw material utilization rate, low in production cost, high in production efficiency and the like, and meanwhile prepared corresponding extrusion products further have excellent quality.

Description

Technical Field

[0001] The present application relates to the technical field of extrusion equipment manufacturing, and in particular to an electric cylinder extrusion device and an extrusion system. Background Art

[0002] SMT conductive foam is a new type of conductive foam that can provide a reliable grounding point on a printed circuit board. It is composed of a highly elastic silicone core and a PET coating or PI coating with a conductive metal plated on the surface. The processing and production of the silicone core requires the raw materials to be mixed in an open mill and then melted and extruded by an extruder.

[0003] At present, most of the existing extruders are single-screw extruders, in which a screw and a motor that drives the screw to rotate are connected to the barrel. When the single-screw extruder is in operation, due to the relationship between the screw structure and gravity, the colloid raw materials will remain in the screw gap and the barrel, and after each processing, the screw needs to be pushed out of the barrel and then cleaned. As a result, the corresponding extruders have problems such as low raw material utilization, high production costs and low production efficiency; and the material transmission of the single-screw extruder mainly relies on friction. If too much raw material is extruded, the friction generates too much heat, which will cause the colloid to be vulcanized prematurely in the barrel, ultimately affecting the performance of the extruded product. Utility Model Content

[0004] The purpose of the present application is to provide an electric cylinder extrusion device and an extrusion system, which have the advantages of high raw material utilization, low production cost and high production efficiency. At the same time, the corresponding extruded products prepared also have relatively excellent quality.

[0005] The embodiment of the present application is implemented as follows:

[0006] In the first aspect, the embodiment of the present application provides an electric cylinder extrusion device, including a cylinder body, an extrusion head and a linear drive unit. A piston push rod is installed in the cylinder body; the extrusion head and the cylinder body are coaxially arranged and spaced apart, and the outer wall of the piston push rod is sealed with the inner wall of the tube cavity of the extrusion head; the linear drive unit is connected to the piston push rod in a transmission manner and is configured to drive the piston push rod to perform reciprocating linear motion in the extrusion head to extrude the material in the extrusion head.

[0007] In the above technical solution, a piston push rod is used in the cylinder body of the electric cylinder extrusion device (that is, the conventional single screw is replaced by the piston push rod) and the outer wall of the piston push rod and the inner wall of the tube cavity of the extrusion head are set to be sealed and matched. With the help of the structural characteristics of the piston push rod (which mainly uses the end of the piston to extrude and convey the material), the material residue in the extrusion head is less, which can improve the utilization rate of the raw materials and reduce the production cost to a certain extent; at the same time, due to the less residue, the subsequent cleaning time can be reduced, thereby improving production efficiency; and the piston push rod has less contact area with the raw material, and accordingly, the heat generated during the extrusion and conveying process is also less (it is not easy to cause premature vulcanization of the raw material), so that the corresponding extruded product prepared has relatively excellent quality.

[0008] In some optional embodiments, the linear drive unit includes a motor, a rotating rod and a sliding sleeve. The sliding sleeve is slidably arranged in the cylinder body along the reciprocating linear motion direction, and the sliding sleeve is fixed to the end of the piston push rod away from the extrusion head. The sliding sleeve is threadedly sleeved outside the rotating rod. The power output end of the motor is transmission-connected to one end of the rotating rod to drive the piston push rod to perform reciprocating linear motion.

[0009] In the above technical solution, the linear drive unit is configured in the form of a motor, a rotating rod and a sliding sleeve cooperating with each other. Specifically, the motor drives the rotating rod to rotate. At the same time, the piston rod is threadedly sleeved on the rotating rod and slidably arranged in the cylinder body, and the sliding sleeve is connected to the end of the piston push rod away from the extrusion head to drive the piston push rod to perform reciprocating linear motion. This form of drive unit has the advantages of a relatively simple structure and a relatively smooth moving process.

[0010] In some optional embodiments, the electric cylinder extrusion device also includes a mounting base, in which a synchronous belt is installed, the cylinder body and the motor are both installed on the side of the mounting base close to the extrusion head, and the power output end of the motor is connected to the rotating rod through a synchronous belt transmission.

[0011] In the above technical solution, an electric cylinder extrusion device is additionally provided with a mounting seat, and the cylinder body and the motor are both installed on the same side of the mounting seat and a transmission connection between the motor and the rotating rod is realized through a synchronous belt, which has the advantage of a more reasonable spatial layout and can reduce the space occupied by the electric cylinder extrusion device in the reciprocating motion direction.

[0012] In some optional embodiments, the electric cylinder extrusion device also includes a base and a sliding plate, the extrusion head is fixed to the base, the cylinder body, the mounting base and the motor are jointly fixed to the sliding plate, and the sliding plate is slidably connected to the base along the reciprocating linear motion direction.

[0013] In the above technical solution, the cylinder body, the mounting seat and the motor are fixed together on the sliding plate and the sliding plate is arranged to be slidably connected to the base. At the same time, the extruder head is also fixed to the base. The sliding plate can realize the overall movement of the cylinder body, the mounting seat and the motor, thereby separating the three from the extruder head at the same time, which has the advantage of convenient feeding.

[0014] In some optional implementation schemes, a limiting groove is provided at one end of the piston push rod away from the extrusion head, and the sliding sleeve is embedded in the limiting groove.

[0015] In the above technical solution, the piston push rod is provided with a limiting groove and the sliding sleeve is embedded in the fiber groove, which has the advantage of better connection stability and accordingly helps to improve the transmission effect.

[0016] In some optional embodiments, the piston push rod includes a rod body and a piston head. The rod body is located on the side away from the extrusion head and is transmission-connected to the linear drive unit, and there is a gap between the outer wall of the rod body and the inner wall of the tubular cavity of the cylinder body; the piston head is located on the side of the rod body close to the extrusion head, and the outer wall of the piston head is sealed with the inner wall of the tubular cavity of the extrusion head.

[0017] In the above technical solution, the piston rod is configured in a form in which the rod body and the piston head cooperate with each other, and a gap is provided between the outer wall of the rod body and the inner wall of the tubular cavity of the cylinder body, which can improve the heat dissipation effect of the piston push rod during the reciprocating motion and help to extend the service life of the piston push rod and the cylinder body.

[0018] In some optional embodiments, a boss extending along the reciprocating linear motion direction is further provided on the side of the piston head close to the extrusion head.

[0019] In the above technical solution, the piston head is additionally provided with a boss extending along the direction of the reciprocating linear motion, which helps to further reduce the residual amount of raw materials in the extrusion head.

[0020] In some optional embodiments, the discharge end of the extruder head is also provided with a detachably connected molding die.

[0021] In the above technical solution, a molding die is added to the discharge end of the extruder head, so that a blank with a specific shape can be prepared to meet more process requirements.

[0022] In some optional embodiments, the molding die is threadedly sleeved on the outer wall of the discharge end of the extruder head.

[0023] In the above technical solution, the molding die and the discharge end of the extruder head are connected by threads, which has the advantage of being easy to disassemble and assemble.

[0024] In a second aspect, an embodiment of the present application provides an extrusion system, comprising an electric cylinder extrusion device as provided in the embodiment of the first aspect, and a heating vulcanization device and a cooling device sequentially installed downstream of the electric cylinder extrusion device.

[0025] In the above technical scheme, the extrusion system includes the electric cylinder extrusion device provided in the first aspect embodiment, which has the advantages of high raw material utilization, low production cost and high production efficiency. At the same time, the corresponding extruded products prepared also have relatively excellent quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 A schematic diagram of the structure of an electric cylinder extrusion device provided in an embodiment of the present application at a first viewing angle;

[0028] Figure 2 A schematic diagram of the structure of an electric cylinder extrusion device provided in an embodiment of the present application at a second viewing angle;

[0029] Figure 3 A cross-sectional schematic diagram of an electric cylinder extrusion device provided in an embodiment of the present application;

[0030] Figure 4 A cross-sectional schematic diagram of a piston push rod provided in an embodiment of the present application.

[0031] Icon: 10-electric cylinder extrusion device; 100-cylinder body; 110-piston push rod; 111-rod body; 1111-mounting groove; 1112-limiting groove; 112-piston head; 1121-boss; 200-extrusion head; 210-molding die; 300-linear drive unit; 310-motor; 320-rotating rod; 330-sliding sleeve; 400-mounting seat; 410-synchronous belt; 500-base; 510-first support seat; 600-sliding plate; 610-second support seat; 620-third support seat; 630-fourth support seat; a-reciprocating linear motion direction. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0033] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0034] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0035] In the description of this application, it should be noted that the terms "center", "upper", "lower", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on this application. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0036] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0037] The electric cylinder extrusion device and extrusion system provided in this application are described in detail below.

[0038] See also Figure 1 , Figure 2 and Figure 3In the first aspect, the embodiment of the present application provides an electric cylinder extrusion device 10, including a cylinder body 100, an extrusion head 200, and a linear drive unit 300. A piston push rod 110 is installed in the cylinder body 100; the extrusion head 200 and the cylinder body 100 are coaxially arranged and spaced apart, and the outer wall of the piston push rod 110 is sealed with the inner wall of the tube cavity of the extrusion head 200; the linear drive unit 300 is transmission-connected with the piston push rod 110, and is configured to be able to drive the piston push rod 110 to perform reciprocating linear motion in the extrusion head 200 to extrude the material in the extrusion head 200.

[0039] In the present application, a piston push rod 110 is used in the cylinder body 100 of the electric cylinder extrusion device 10 (that is, the piston push rod 110 is used to replace the conventional single screw), and the outer wall of the piston push rod 110 and the inner wall of the tubular cavity of the extrusion head 200 are set to be sealed and matched. With the help of the structural characteristics of the piston push rod 110 (which mainly uses the end of the piston to extrude and convey the material), the material residue in the extrusion head 200 is less, which can improve the utilization rate of the raw materials and reduce the production cost to a certain extent; at the same time, due to the less residue, the subsequent cleaning time can be reduced, thereby improving production efficiency; and the piston push rod 110 has a smaller contact area with the raw material, and accordingly, the heat generated during the extrusion and conveying process is also less (it is not easy to cause premature vulcanization of the raw material), so that the corresponding extruded product prepared has a relatively excellent quality.

[0040] See also Figure 3 As an example, the linear drive unit 300 includes a motor 310, a rotating rod 320 and a sliding sleeve 330. The sliding sleeve 330 is slidably arranged in the cylinder body 100 along the reciprocating linear motion direction a, and the sliding sleeve 330 is fixed to the end of the piston push rod 110 away from the extrusion head 200. The sliding sleeve 330 is threadedly sleeved on the outside of the rotating rod 320 (correspondingly, the end of the piston push rod 110 away from the extrusion head 200 is provided with a mounting groove 1111 extending along the reciprocating linear motion direction a, the rotating rod 320 extends into the mounting groove 1111, and the specific extension size is determined according to the distance that the piston push rod 110 reciprocates in the extrusion head 200). The power output end of the motor 310 is transmission-connected to one end of the rotating rod 320 to drive the piston push rod 110 to perform reciprocating linear motion.

[0041] It should be noted that the rotating rod 320 only rotates under the drive of the motor 310 but does not slide along the reciprocating linear motion direction a, while the sliding sleeve 330 does not rotate but slides along the reciprocating linear motion direction a. The cooperation between the two is similar to a screw nut to drive the piston push rod 110 to perform reciprocating linear motion.

[0042] In this embodiment, the linear drive unit 300 is configured in the form of a motor 310, a rotating rod 320 and a sliding sleeve 330 that cooperate with each other. Specifically, the motor 310 drives the rotating rod 320 to rotate. At the same time, the piston rod is threadedly sleeved on the rotating rod 320 and is slidably disposed in the cylinder body 100, and the sliding sleeve 330 is connected to the end of the piston push rod 110 away from the extrusion head 200 to drive the piston push rod 110 to perform reciprocating linear motion. This form of drive unit has the advantages of a relatively simple structure and a relatively smooth moving process.

[0043] See also Figure 2 As an example, the electric cylinder extrusion device 10 also includes a mounting base 400, a synchronous belt 410 is installed in the mounting base 400, the cylinder body 100 and the motor 310 are both installed on the side of the mounting base 400 close to the extrusion head 200, and the power output end of the motor 310 is connected to the rotating rod 320 through the synchronous belt 410.

[0044] It should be noted that the provision of the synchronous belt 410 enables the motor 310 and the rotating rod 320 that are distributed side by side to achieve the function of synchronous transmission. If the motor 310 and the rotating rod 320 are coaxially arranged, there is no need to additionally provide the synchronous belt 410.

[0045] In this embodiment, the electric cylinder extrusion device 10 is additionally provided with a mounting seat 400, and the cylinder body 100 and the motor 310 are both installed on the same side of the mounting seat 400 and the transmission connection between the motor 310 and the rotating rod 320 is realized through a synchronous belt 410, which has the advantage of a more reasonable spatial layout and can reduce the space occupied by the electric cylinder extrusion device in the reciprocating motion direction.

[0046] See also Figure 2 As an example, the electric cylinder extrusion device 10 also includes a base 500 and a sliding plate 600, the extrusion head 200 is fixed to the base 500, the cylinder body 100, the mounting base 400 and the motor 310 are jointly fixed to the sliding plate 600, and the sliding plate 600 is slidably connected to the base 500 along the reciprocating linear motion direction a.

[0047] In this embodiment, the cylinder body 100, the mounting base 400 and the motor 310 are fixed together on the sliding plate 600, and the sliding plate 600 is set to be slidably connected to the base 500. At the same time, the extrusion head 200 is also fixed to the base 500. The sliding plate 600 can realize the overall movement of the cylinder body 100, the mounting base 400 and the motor 310, so that the three can be separated from the extrusion head 200 at the same time, which has the advantage of convenient feeding.

[0048] It should be noted that the sliding connection method is not limited and can be set according to the conventional selection in the field. For example, it can be a form in which a guide rail and a slider cooperate with each other, that is, a guide rail extending along the reciprocating motion direction is provided on the base 500, and a slider that slides with the guide rail is provided at the bottom of the sliding plate 600; it can also be a form in which a plurality of corresponding screw holes are respectively provided on the sliding plate 600 and the base 500, and then the sliding plate 600 and the base 500 are connected by bolts. When adjusting, it is only necessary to align the screw holes on the sliding plate 600 with the screw holes at different positions on the base 500 and then connect them by bolts.

[0049] It should be noted that the fixing method of the extrusion head 200 and the base 500 is not limited and can be set according to conventional selections in the art.

[0050] See also Figure 2 As an example, a first support seat 510 is installed on the base 500, and the first support seat 510 is provided with a through hole. One end of the extrusion head 200 close to the cylinder body 100 is fixed to the first support seat 510, and the lumen of the extrusion head 200 is connected to the through hole.

[0051] Likewise, the fixing method of the cylinder body 100, the mounting base 400, the motor 310 and the sliding plate 600 is not limited and can be set according to conventional selections in the art.

[0052] See also Figure 2 As an example, a second support seat 610 is installed on the sliding plate 600, and a through hole is opened in the second support seat 610, and one end of the cylinder body 100 close to the extrusion head 200 is embedded in the through hole.

[0053] See also Figure 2 As an example, a third support base 620 and a fourth support base 630 are also installed on the sliding plate 600, and the motor 310 and the mounting base 400 are respectively fixed to the third support base 620 and the fourth support base 630.

[0054] See also Figure 2 As an example, the electric cylinder extrusion device 10 also includes a frame (not shown in the figure), and a universal wheel (not shown in the figure) is installed at the bottom of the frame, and the base 500 is installed on the frame.

[0055] In this embodiment, the electric cylinder extrusion device 10 is additionally provided with a frame with universal wheels, so as to facilitate adjustment of the installation position of the electric cylinder extrusion device 10 according to actual needs.

[0056] It is understandable that the connection method between the piston push rod 110 and the sliding sleeve 330 is not limited and can be set according to conventional selections in the art.

[0057] See also Figure 3 and Figure 4As an example, a limiting groove 1112 is provided at one end of the piston push rod 110 away from the extrusion head 200 , and the sliding sleeve 330 is embedded in the limiting groove 1112 .

[0058] In this embodiment, the piston push rod 110 is provided with a limiting groove 1112 and the sliding sleeve 330 is embedded in the fiber groove, which has the advantage of better connection stability and accordingly helps to improve the transmission effect; at the same time, it also has a detachable function.

[0059] In other possible implementations, the end of the piston push rod 110 away from the extrusion head 200 may also be directly welded to the sliding sleeve 330 .

[0060] See also Figure 3 and Figure 4 As an example, the piston push rod 110 includes a rod body 111 and a piston head 112. The rod body 111 is located on the side away from the extrusion head 200 and is transmission-connected to the linear drive unit 300, and there is a gap between the outer wall of the rod body 111 and the inner wall of the tubular cavity of the cylinder body 100; the piston head 112 is located on the side of the rod body 111 close to the extrusion head 200, and the outer wall of the piston head 112 is sealed and matched with the inner wall of the tubular cavity of the extrusion head 200.

[0061] In this embodiment, the piston push rod 110 is configured in a form where a rod body 111 and a piston head 112 cooperate with each other, and a gap is provided between the outer wall of the rod body 111 and the inner wall of the tubular cavity of the cylinder body 100, which can improve the heat dissipation effect of the piston push rod 110 during the reciprocating motion and help to extend the service life of the piston push rod 110 and the cylinder body 100.

[0062] See also Figure 4 As an example, a boss 1121 extending along the reciprocating linear motion direction a is further provided on the side of the piston head 112 close to the extrusion head 200 .

[0063] In this embodiment, the piston head 112 is additionally provided with a boss 1121 extending along the reciprocating linear motion direction a, which helps to further reduce the residual amount of raw materials in the extrusion head 200 .

[0064] It is understandable that in an actual production process, the shape of the blank is usually not single, based on which the structure of the extrusion head 200 can be optimized.

[0065] See also Figure 3 As an example, the discharge end of the extrusion head 200 is also provided with a detachably connected molding die 210.

[0066] In this embodiment, a molding die 210 is additionally provided at the discharge end of the extrusion head 200, so that a blank having a specific shape can be prepared to meet more process requirements.

[0067] It should be noted that the cross-sectional shape of the outlet of the molding die 210 is not limited, and may be, for example, circular, elliptical, square, rectangular or triangular, and may be adjusted according to actual needs.

[0068] See also Figure 3 As an example, the molding die 210 is threadedly sleeved on the outer wall of the discharge end of the extruder head 200 .

[0069] In this embodiment, the molding die 210 and the discharge end of the extrusion head 200 are connected by threads, which has the advantage of being convenient for assembly and disassembly.

[0070] It should be noted that any structural or functional unit not specifically described or limited in the electric cylinder extrusion device 10 may be arranged according to conventional selections in the art.

[0071] In a second aspect, an embodiment of the present application provides an extrusion system, comprising the electric cylinder extrusion device 10 provided in the embodiment of the first aspect, and a heating vulcanization device and a cooling device sequentially installed downstream of the electric cylinder extrusion device 10 .

[0072] In the present application, the extrusion system includes the electric cylinder extrusion device 10 provided in the first aspect embodiment, which has the advantages of high raw material utilization, low production cost and high production efficiency. At the same time, the corresponding extruded products prepared also have relatively excellent quality.

[0073] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An electric cylinder extrusion device, It is characterized in that include: A cylinder body, wherein a piston push rod is installed in the cylinder body; An extrusion head, wherein the extrusion head and the cylinder body are coaxially arranged and spaced apart, and the outer wall of the piston push rod is sealed and matched with the inner wall of the tube cavity of the extrusion head; A linear drive unit is in driving connection with the piston push rod and is configured to drive the piston push rod to perform reciprocating linear motion in the extrusion head to extrude the material in the extrusion head.

2. The electric cylinder extrusion device according to claim 1, It is characterized in that The linear drive unit includes a motor, a rotating rod and a sliding sleeve. The sliding sleeve is slidably arranged in the cylinder body along the reciprocating linear motion direction, and the sliding sleeve is fixed to the end of the piston push rod away from the extrusion head. The sliding sleeve is threadedly sleeved outside the rotating rod. The power output end of the motor is transmission-connected to one end of the rotating rod to drive the piston push rod to perform reciprocating linear motion.

3. The electric cylinder extrusion device according to claim 2, It is characterized in that The electric cylinder extrusion device also includes a mounting seat, a synchronous belt is installed in the mounting seat, the cylinder body and the motor are both installed on a side of the mounting seat close to the extruder head, and the power output end of the motor is connected to the rotating rod through the synchronous belt transmission.

4. The electric cylinder extrusion device according to claim 3, It is characterized in that The electric cylinder extrusion device also includes a base and a sliding plate, the extrusion head is fixed to the base, the cylinder body, the mounting seat and the motor are commonly fixed to the sliding plate, and the sliding plate is slidably connected to the base along the reciprocating linear motion direction.

5. The electric cylinder extrusion device according to claim 2, It is characterized in that A limiting groove is provided at one end of the piston push rod away from the extrusion head, and the sliding sleeve is embedded in the limiting groove.

6. The electric cylinder extrusion device according to any one of claims 1 to 5, It is characterized in that The piston push rod includes a rod body and a piston head. The rod body is located on a side away from the extrusion head and is transmission-connected to the linear drive unit, and there is a gap between the outer wall of the rod body and the inner wall of the tube cavity of the cylinder body; the piston head is located on a side of the rod body close to the extrusion head, and the outer wall of the piston head is sealingly matched with the inner wall of the tube cavity of the extrusion head.

7. The electric cylinder extrusion device according to claim 6, It is characterized in that A boss extending along the reciprocating linear motion direction is also arranged on one side of the piston head close to the extrusion head.

8. The electric cylinder extrusion device according to any one of claims 1 to 5, It is characterized in that The discharge end of the extruder head is also provided with a detachably connected molding die.

9. The electric cylinder extrusion device according to claim 8, It is characterized in that The molding die is threadedly sleeved on the outer wall of the discharge end of the extruder head.

10. An extrusion system, It is characterized in that The invention comprises the electric cylinder extrusion device as claimed in any one of claims 1 to 9, and a heating vulcanization device and a cooling device which are sequentially installed downstream of the electric cylinder extrusion device.

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