Extrusion device and pipe making machine

Abstract

The extrusion device is used for the pipe making machine and comprises an outer profiling piece and an inner profiling piece, the inner profiling piece is configured to be matched with the outer profiling piece, the inner profiling piece is used for applying extrusion force to the outer profiling piece to a material belt so that a connector of the material belt can be attached to the outer profiling piece, the inner profiling piece comprises a first profiling block and a second profiling block, and the first profiling block is matched with the second profiling block. The first profiling block is movably connected with the second profiling block so as to adaptively adjust the extrusion force, and the degree of staggered layers at the butt joint position of the material belts is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe making machines, in particular to an extrusion device and a pipe making machine. Background Art

[0002] Roller bending tube making machines usually use high-frequency welding when welding the material strip, and the material strip needs to be extruded and welded on the external profiling part. The technical requirement of this process is that the misalignment of the material strip cannot exceed a certain proportion of the material strip thickness. In the prior art, for thicker material strips, the misalignment size of the material strip joint can be adjusted by adjusting the external profiling part to meet the technical requirement. For ultra-thin material strips (for example, with a wall thickness of less than 0.2 mm), due to their weak elasticity and easy deformation, the technical requirement cannot be met by adjusting the external profiling part, resulting in the ultra-thin material strip being unable to fit the external profiling part, resulting in serious misalignment of the material strip joint when being extruded. Utility Model Content

[0003] The utility model aims to provide an extrusion device and a pipe making machine, which solve the problem of serious misalignment at the joint of material strips.

[0004] In order to achieve the purpose of the utility model, the utility model provides the following technical solutions:

[0005] In the first aspect, the utility model provides an extrusion device, comprising: an outer profiling member; an inner profiling member, wherein the inner profiling member is configured to be compatible with the outer profiling member, and the inner profiling member is used to apply an extrusion force to the outer profiling member on the material strip so that the interface of the material strip fits the outer profiling member; the inner profiling member comprises a first profiling block and a second profiling block, and the first profiling block is movably connected to the second profiling block to adaptively adjust the extrusion force.

[0006] In one embodiment, the first profiling block includes a first body and a roller. The first profiling block is disposed at a material strip interface, and the roller is connected to an end of the first body facing away from the second profiling block.

[0007] In one embodiment, the second profiling block includes a second body and a gap-avoiding portion, and the gap-avoiding portion is connected to an end of the second body facing away from the first body.

[0008] In one embodiment, the air-avoiding portion is suitable for communicating with a cooling medium.

[0009] In one embodiment, the extrusion device further comprises a spring member, one end of which is connected to the first profiling block, and the other end of which is connected to the second profiling block.

[0010] In one embodiment, a matching portion is provided at one end of the first profiling block close to the second profiling block, and / or a matching portion is provided at one end of the second profiling block close to the first profiling block, and the matching portion cooperates with the spring member to limit the spring member.

[0011] In one embodiment, there are a plurality of the matching portions, and the matching portions are arranged at intervals. There are a plurality of the spring members, and each matching portion is arranged in a one-to-one correspondence with a spring member.

[0012] In one embodiment, the extrusion device also includes a connecting component, which encloses a receiving cavity, and the receiving cavity accommodates part of the first shaping block and part of the second shaping block. The connecting component is connected to both the first shaping block and the second shaping block to limit the first shaping block and the second shaping block.

[0013] In one embodiment, the connecting component includes a first connecting member and a second connecting member arranged opposite to each other, the first connecting member and the second connecting member are arranged at an interval and enclose the accommodating cavity, the first connecting member is connected to both the first shaping block and the second shaping block, and / or the second connecting member is connected to both the first shaping block and the second shaping block.

[0014] In one embodiment, the extrusion device also includes a fixing component, the first contour block is provided with a first mounting component, the second contour block is provided with a second mounting component, the connecting component is provided with a third mounting component, the fixing component is used to connect the first mounting component with the third mounting component, and / or the fixing component is used to connect the second mounting component with the third mounting component.

[0015] In one embodiment, the extrusion device also includes a mounting seat and a connecting rod connected to the mounting seat, the mounting seat is used to install the connecting rod, one end of the connecting rod is connected to one end of the connecting component, and the other end extends to a side away from the connecting component and is used to be slidably connected to the mounting seat.

[0016] In a second aspect, the utility model further provides a pipe making machine, comprising the extrusion device as described in the first aspect.

[0017] By setting an outer profiling member and an inner profiling member, the inner profiling member is configured to be compatible with the outer profiling member, the inner profiling member is used to apply an extrusion force to the material strip toward the outer profiling member so that the interface of the material strip fits the outer profiling member, and the inner profiling member includes a first profiling block and a second profiling block, and the first profiling block is movably connected to the second profiling block to adaptively adjust the extrusion force. When the inner profiling member applies an extrusion force to the material strip toward the outer profiling member, the material strip is kept in contact with the forming section formed by the outer profiling member, thereby reducing the degree of misalignment at the joint of the material strips. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 is a front view of an extrusion device according to an embodiment;

[0020] Figure 2 is a schematic structural diagram of an extrusion device according to an embodiment;

[0021] Figure 3 is a right side view of an extrusion device of an embodiment;

[0022] Figure 4 is a left side view of an extrusion device according to an embodiment;

[0023] Figure 5 is a top view of an extrusion device according to an embodiment;

[0024] Figure 6 is a bottom view of an extrusion device according to an embodiment;

[0025] Figure 7 It is a structural schematic diagram of a pipe making machine according to an embodiment.

[0026] Description of reference numerals:

[0027] 10-first profiling surface, 11-second profiling surface, 12-first profiling block, 121-first surface, 122-second surface, 123-first body, 1231-first connecting portion, 1232-second groove, 124-roller, 125-third through hole, 126-seventh through hole, 13-second profiling block, 131-third surface, 132-fourth surface, 133-second body, 1331-second connecting portion, 134-air-avoiding portion, 135-fourth through hole, 136-eighth through hole, 14-first connecting member, 141-first through hole, 142-second through hole, 15-second connecting member, 151-fifth through hole, 152-sixth through hole, 16-accommodating cavity, 17-first fixing member, 18-second fixing member, 19-connecting rod, 20-connecting hole, 21-mounting seat, 22-external profiling member. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there can be a central component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there can be a central component at the same time.

[0030] Unless otherwise defined, all technical and scientific terms used in this utility model have the same meaning as those commonly understood by technicians in the technical field of this utility model. The terms used in the specification of this utility model are only for the purpose of describing specific embodiments and are not intended to limit this utility model. The term "and / or" used in this utility model includes any and all combinations of one or more related listed items.

[0031] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0032] The utility model embodiment provides an extrusion device, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , including an outer profiling member 22, an inner profiling member, a first profiling block 12 and a second profiling block 13.

[0033] The inner contour piece is configured to match the outer contour piece 22 , and the inner contour piece is used to apply a pressing force to the material strip toward the outer contour piece 22 so that the interface of the material strip fits the outer contour piece 22 .

[0034] The inner profiling member includes a first profiling block 12 and a second profiling block 13, and the first profiling block 12 is movably connected with the second profiling block 13 to adaptively adjust the extrusion force. Optionally, the first profiling block 12 and the second profiling block 13 provide a buffer for the material strip to reduce the staggered layer, and the inner profiling member can move up and down and also needs to be closely fitted with the outer profiling member 22.

[0035] Optional, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , the second profiling block 13 moves along the second direction relative to the first profiling block 12.

[0036] Optionally, the inner profiling member can adapt to the forming cross section of the outer profiling member 22 , and the profiling center of the extrusion device coincides with the center of the outer profiling member 22 , thereby ensuring that the forming cross section of the extrusion device coincides with the forming cross section of the outer profiling member 22 .

[0037] Specifically, the above arrangement of the first profiling block 12 and the second profiling block 13 enables the material strip to fit the molding cross section formed by the outer profiling member 22, so that the staggered layer is controlled within a reasonable range.

[0038] Optionally, the inner profiling member includes a first profiling surface 10 and a second profiling surface 11 opposite to each other, the first profiling surface 10 and the second profiling surface 11 protrude toward opposite sides in a first direction, the first profiling surface 10 and the second profiling surface 11 are both used to adapt to the outer profiling member 22, and the inner profiling member is used to extrude the material strip along the first direction and the second direction, and the second direction intersects with the first direction.

[0039] Optionally, the shape of the first profiling surface 10 may be a polygon, a circle, an ellipse, an irregular shape, etc. Optionally, the shape of the first profiling surface 10 may be, but not limited to, a quadrilateral, a pentagon, a hexagon, an octagon, a circle, an ellipse, an irregular shape, etc. Optionally, the shape of the second profiling surface 11 may be, but not limited to, a quadrilateral, a pentagon, a hexagon, an octagon, a circle, an ellipse, an irregular shape, etc. Optionally, the shape of the second profiling surface 11 may be, but not limited to, a quadrilateral, a pentagon, a hexagon, an octagon, a circle, an ellipse, an irregular shape, etc.

[0040] Optionally, the second direction is perpendicular to the first direction. Optionally, the material strip is an ultra-thin material strip, the thickness of the ultra-thin material strip is 0.1 mm to 0.15 mm, and the material is stainless steel.

[0041] By providing an outer profiling member 22 and an inner profiling member, the inner profiling member is configured to be compatible with the outer profiling member 22, and the inner profiling member is used to apply an extrusion force to the outer profiling member 22 on the material strip so that the material strip interface fits the outer profiling member 22. The inner profiling member includes a first profiling block 12 and a second profiling block 13, and the first profiling block 12 is movably connected to the second profiling block 13 to adaptively adjust the extrusion force. When the inner profiling member applies an extrusion force to the outer profiling member 22 on the material strip, the material strip is kept in contact with the forming section formed by the outer profiling member 22, thereby reducing the degree of misalignment at the material strip joint.

[0042] Optional, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 The first profiling block 12 includes a first surface 121 and a second surface 122 opposite to each other along a first direction, and the second profiling block 13 includes a third surface 131 and a fourth surface 132 opposite to each other along the first direction. The first surface 121 and the third surface 131 constitute a first profiling surface 10, and the second surface 122 and the fourth surface 132 constitute a second profiling surface 11.

[0043] Optionally, the shape of the first surface 121 may be a polygon, a circle, an ellipse, an irregular shape, etc. Optionally, the shape of the first surface 121 may be, but not limited to, a quadrilateral, a pentagon, a hexagon, an octagon, a circle, an ellipse, an irregular shape, etc. Optionally, the shape of the second surface 122 may be, but not limited to, a quadrilateral, a pentagon, a hexagon, an octagon, a circle, an ellipse, an irregular shape, etc. Optionally, the shape of the third surface 131 may be, but not limited to, a quadrilateral, a pentagon, a hexagon, an octagon, a circle, an ellipse, an irregular shape, etc. Optionally, the shape of the fourth surface 132 may be, but not limited to, a polygon, a circle, an ellipse, an irregular shape, etc. Optionally, the shape of the fourth surface 132 may be, but is not limited to, a quadrilateral, a pentagon, a hexagon, an octagon, a circle, an ellipse, an irregular shape, or the like.

[0044] Optionally, the above-mentioned arrangement of the first surface 121 , the second surface 122 , the third surface 131 and the fourth surface 132 enhances the flexibility of the shapes of the first profiling surface 10 and the second profiling surface 11 .

[0045] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6The first profiling block 12 includes a first body 123 and a roller 124 . The first profiling block 12 is disposed at the interface of the material belt, and the roller 124 is connected to one end of the first body 123 facing away from the second profiling block 13 .

[0046] Optionally, the extrusion device further includes a plurality of connecting pins, and the roller 124 is mounted on the first profiling block via the connecting pins. Furthermore, rolling friction occurs between the roller 124 and the material strip, which can reduce the friction of the first profiling block on the material strip, thereby reducing movement resistance.

[0047] Specifically, the above arrangement improves the efficiency and effect of the first profiling block 12 on the material strip extrusion.

[0048] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 The second profiling block 13 includes a second body 133 and a gap-avoiding portion 134 , and the gap-avoiding portion 134 is connected to an end of the second body 133 facing away from the first body 123 .

[0049] Optionally, the avoidance portion 134 allows the round steel to pass through below it. Optionally, the extrusion device further includes a plurality of connecting pins, the avoidance portion 134 is mounted on the second profiling block through the connecting pins, and the avoidance portion 134 and the material strip have rolling friction, which can reduce the friction of the second profiling block 13 on the material strip, thereby reducing the movement resistance.

[0050] Specifically, the first body 123, the roller 124, the second body 133 and the air-avoiding portion 134 form a contoured whole, and the contoured cross section formed by the contoured whole is consistent with the contoured cross section of the outer contoured member 22, thereby improving the efficiency and effect of extruding the material strip.

[0051] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 The air avoidance portion 134 is suitable for communicating with the cooling medium.

[0052] Optionally, the round steel passes through under the air avoidance portion 134 , and the air avoidance portion 134 is air-proof.

[0053] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 The extrusion device also includes a spring member, one end of which is connected to the first profiling block 12, and the other end of which is connected to the second profiling block 13.

[0054] Optionally, there may be more than one spring element, so as to improve the stability of the elastic connection. Optionally, the type of the spring element may be a spring, which is not limited.

[0055] Specifically, the above arrangement improves the elastic connection structure between the first profiling block 12 and the second profiling block 13 , and improves the flexibility of movement between the first profiling block 12 and the second profiling block 13 .

[0056] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 A matching portion is provided at one end of the first profiling block 12 close to the second profiling block 13, and the matching portion cooperates with the spring member to limit the spring member; and / or a matching portion is provided at one end of the second profiling block 13 close to the first profiling block 12, and the matching portion cooperates with the spring member to limit the spring member.

[0057] Optionally, the matching portion is a second groove 1232 , and the second groove 1232 is opened at one end of the first body 123 close to the second body 133 , one end of the spring is connected to the bottom wall of the second groove 1232 , and the other end is connected to the second body 133 .

[0058] Optionally, the second groove 1232 may be a polygonal groove, a circular groove, an elliptical groove, an irregular groove, etc. Optionally, the second groove 1232 may be, but is not limited to, a quadrilateral groove, a pentagonal groove, a hexagonal groove, an octagonal groove, a circular groove, an elliptical groove, an irregular groove, etc.

[0059] Optionally, under the action of the spring, the second body 133 can move relative to the first body 123, so that the entire extrusion device is in a floating expansion state, so that the material strip can remain in contact with the molding section formed by the outer contour piece 22, thereby controlling the staggered layers within a reasonable range and making high-frequency welding successful.

[0060] Specifically, the above arrangement makes the distance of the elastic connection between the first profiling block 12 and the second profiling block 13 variable, and puts the entire extrusion device in a floating expansion state.

[0061] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 There are multiple matching parts, and the multiple matching parts are arranged at intervals. There are multiple spring members, and each matching part is arranged in a one-to-one correspondence with a spring member.

[0062] Optional, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 There are multiple second grooves 1232, which are arranged at intervals. There are multiple spring members, and each second groove 1232 is arranged in a one-to-one correspondence with a spring member.

[0063] Optionally, the number of the second grooves 1232 ranges from 2 to 6. Optionally, the number of the second grooves 1232 may specifically be, but is not limited to, 2, 4, and 6. Optionally, the spring member is a spring.

[0064] Specifically, the provision of the plurality of second grooves 1232 and the plurality of spring members improves the stability of the movement of the second body 133 .

[0065] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 The extrusion device also includes a connecting component, which encloses a receiving cavity 16, and the receiving cavity 16 receives part of the first profiling block 12 and part of the second profiling block 13. The connecting component is connected to both the first profiling block 12 and the second profiling block 13 to limit the first profiling block 12 and the second profiling block 13.

[0066] Optionally, the connection assembly can be a whole formed by multiple parts. Optionally, the connection between the connection assembly and the first profiling block 12 and the second profiling block 13 can include abutment and threaded nut connection, etc., which are not limited here. Specifically, the above arrangement can make the first profiling block 12 and the second profiling block 13 connected compactly and have a limiting effect.

[0067] Optional, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 The first profiling block 12 has a first connection portion 1231 at one end close to the second profiling block 13, and the second profiling block 13 has a second connection portion 1331 at one end close to the first profiling block 12. The second connection portion 1331 is clearance-matched with the first connection portion 1231. Optionally, the above arrangement increases the limit degree of movement of the two. Optionally, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6A first connecting portion 1231 is provided at one end of the first body 123 close to the second body 133 , and a second connecting portion 1331 is provided at one end of the second body 133 close to the first body 123 , and the second connecting portion 1331 is clearance-matched with the first connecting portion 1231 .

[0068] Optionally, the first connection portion 1231 may be a polygonal groove, a circular groove, an elliptical groove, an irregular groove, etc. Optionally, the first connection portion 1231 may be, but is not limited to, a quadrilateral groove, a pentagonal groove, a hexagonal groove, an octagonal groove, a circular groove, an elliptical groove, an irregular groove, etc.

[0069] Optionally, the cross-section of the second connection portion 1331 may be in the shape of a polygon, a circle, an ellipse, an irregular shape, etc. Optionally, the cross-section of the second connection portion 1331 may be in the shape of a quadrilateral, a pentagon, a hexagon, an octagon, a circle, an ellipse, an irregular shape, etc. but is not limited thereto.

[0070] Specifically, the above arrangement of the second connection portion 1331 and the first connection portion 1231 improves the flexibility of the cooperation between the first body 123 and the second body 133, enables the first body 123 and the second body 133 to be compactly connected, and has a limiting effect.

[0071] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 The connecting component also includes a first connecting member and a second connecting member 15 arranged opposite to each other. The first connecting member and the second connecting member 15 are arranged at an interval and enclose a receiving cavity 16. The first connecting member is connected to both the first profiling block 12 and the second profiling block 13, and / or the second connecting member is connected to both the first profiling block 12 and the second profiling block 13.

[0072] Optionally, the receiving cavity 16 is composed of a first matching hole, a first groove, a second groove and a third groove, the first matching hole and the first groove receive at least a portion of the first body 123 , and the second groove and the third groove receive at least a portion of the second profiling block 13 .

[0073] Specifically, the above arrangement enables the material strip to remain in contact with the profiled cross section formed by the outer contoured member 22 .

[0074] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6The extrusion device also includes a fixing component, the first profiling block is provided with a first mounting component, the second profiling block 13 is provided with a second mounting component, the connecting component is provided with a third mounting component, the fixing component is used to connect the first mounting component with the third mounting component, and / or the fixing component is used to connect the second mounting component with the third mounting component.

[0075] Optional, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 The fixing assembly includes a first fixing member 17, which is connected to the first connecting member 14, the first profiling block 12 and the second profiling block 13; and / or, the fixing assembly also includes a second fixing member 18, which is connected to the second connecting member 15, the first profiling block 12 and the second profiling block 13.

[0076] Optionally, the first connecting member is provided with a first through hole 141 and a second through hole 142 which are arranged opposite to each other, the first profiling block 12 is provided with a third through hole 125, the second profiling block 13 is provided with a fourth through hole 135, and the first fixing member 17 is sequentially penetrated through the first through hole 141, the third through hole 125, the fourth through hole 135 and the second through hole 142 along the second direction.

[0077] Optionally, the first through hole 141 may be a polygonal hole, a circular hole, an elliptical hole, an irregular hole, etc. Optionally, the first through hole 141 may be, but not limited to, a quadrilateral hole, a hexagonal hole, a circular hole, an elliptical hole, an irregular hole, etc. Optionally, the first fixing member 17 may be a pin.

[0078] Specifically, the above arrangement improves the stability of the connection between the first connecting member, the first profiling block 12 and the second profiling block 13 .

[0079] Optionally, the second connecting member 15 is provided with a fifth through hole 151 and a sixth through hole 152 which are arranged opposite to each other, the first profiling block 12 is provided with a seventh through hole 126, the second profiling block 13 is provided with an eighth through hole 136, and the second fixing member 18 is sequentially penetrated through the fifth through hole 151, the seventh through hole 126, the eighth through hole 136 and the sixth through hole 152 along the second direction.

[0080] Optionally, the fifth through hole 151 may be a polygonal hole, a circular hole, an elliptical hole, an irregular hole, etc. Optionally, the fifth through hole 151 may be, but not limited to, a quadrilateral hole, a hexagonal hole, a circular hole, an elliptical hole, an irregular hole, etc. Optionally, the second fixing member 18 may be a pin.

[0081] Specifically, the above arrangement improves the stability of the connection between the second connecting member 15 , the first profiling block 12 and the second profiling block 13 .

[0082] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 The extrusion device also includes a mounting seat and a connecting rod 19 connected to the mounting seat. The mounting seat is used to install the connecting rod 19. One end of the connecting rod 19 is connected to one end of the connecting assembly, and the other end extends to a side away from the connecting assembly and is used to be slidably connected to the mounting seat.

[0083] Optionally, a first mounting portion is provided on the mounting seat 21, and an assembly portion is provided at one end of the connecting rod 19 away from the first connecting member, the assembly portion extends into the first mounting portion, and the assembly portion can slide in the first mounting portion along the second direction.

[0084] Specifically, the above arrangement of the connecting rod 19 improves the flexibility of movement of the extrusion device.

[0085] Optional, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 The second connecting member 15 is further provided with a connecting hole 20 along the third direction, and the connecting hole 20 is connected with the receiving cavity 16 .

[0086] Optionally, the communication hole 20 may be a polygonal hole, a circular hole, an elliptical hole, an irregular hole, etc. Optionally, the communication hole 20 may be, but is not limited to, a quadrangular hole, a hexagonal hole, a circular hole, an elliptical hole, an irregular hole, etc.

[0087] The utility model also provides a pipe making machine, please refer to Figure 7 , including the extrusion device as mentioned above.

[0088] Optionally, the pipe making machine further includes a machine platform, and the connection method between the mounting seat 21 and the machine platform may specifically be, but is not limited to, a snap connection, a bolt and nut connection, and a welding connection.

[0089] Optionally, the tube making machine further comprises a plurality of screws, the mounting seat 21 is fixed on the machine platform by the screws, and can slide along the second direction on the mounting seat 21, and can have the function of guiding the extrusion device. Optionally, the tube making machine is used to extrude the material strip, provide a buffer for the material strip, and reduce the staggered layer.

[0090] In the description of the embodiments of the present invention, it should be noted that the orientation or positional relationship of terms such as "center", "up", "down", "left", "right", "vertical", "horizontal", "inside" and "outside" are based on the orientation or positional relationship of the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0091] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the present invention still fall within the scope covered by the present invention.

Claims

1. An extrusion device, characterized in that: include: External profile parts; An inner profiling member, the inner profiling member is configured to match the outer profiling member, and the inner profiling member is used to apply an extrusion force to the material strip toward the outer profiling member so that the interface of the material strip fits the outer profiling member; The inner profiling member comprises a first profiling block and a second profiling block, wherein the first profiling block is movably connected to the second profiling block to adaptively adjust the extrusion force.

2. The extrusion device according to claim 1, characterized in that: The first profiling block comprises a first body and a roller. The first profiling block is arranged at the interface of the material belt, and the roller is connected to an end of the first body facing away from the second profiling block.

3. The extrusion device according to claim 2, characterized in that: The second contour block comprises a second body and a gap-avoiding portion, wherein the gap-avoiding portion is connected to an end of the second body facing away from the first body.

4. The extrusion device according to claim 3, characterized in that: The air-avoiding portion is suitable for communicating with a cooling medium.

5. The extrusion device according to claim 1, characterized in that: The extrusion device further comprises a spring member, one end of which is connected to the first profiling block, and the other end of which is connected to the second profiling block.

6. The extrusion device according to claim 5, characterized in that: A matching portion is provided at one end of the first profiling block close to the second profiling block, and / or a matching portion is provided at one end of the second profiling block close to the first profiling block, and the matching portion cooperates with the spring member to limit the spring member.

7. The extrusion device according to claim 6, characterized in that There are multiple matching parts, and the matching parts are arranged at intervals. There are multiple spring members, and each matching part is arranged in a one-to-one correspondence with a spring member.

8. The extrusion device according to claim 3, characterized in that: The extrusion device also includes a connecting component, which encloses a receiving cavity, and the receiving cavity receives part of the first profiling block and part of the second profiling block. The connecting component is connected to both the first profiling block and the second profiling block to limit the first profiling block and the second profiling block.

9. The extrusion device according to claim 8, characterized in that The connecting component includes a first connecting member and a second connecting member arranged opposite to each other, the first connecting member and the second connecting member are arranged at an interval and enclose the receiving cavity, the first connecting member is connected to both the first profiling block and the second profiling block, and / or the second connecting member is connected to both the first profiling block and the second profiling block.

10. The extrusion device according to claim 9, characterized in that The extrusion device also includes a fixing component, the first contour block is provided with a first mounting component, the second contour block is provided with a second mounting component, the connecting component is provided with a third mounting component, the fixing component is used to connect the first mounting component with the third mounting component, and / or the fixing component is used to connect the second mounting component with the third mounting component.

11. The extrusion device according to claim 10, characterized in that The extrusion device also includes a mounting seat and a connecting rod connected to the mounting seat, the mounting seat is used to install the connecting rod, one end of the connecting rod is connected to one end of the connecting component, and the other end extends to a side away from the connecting component and is used to be slidably connected to the mounting seat.

12. A pipe making machine, characterized in that: Comprising an extrusion device as claimed in any one of claims 1 to 11.

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