A long tube spinning machine

Abstract

The utility model relates to a long -tube spinning machine, including bench, mandrel subassembly, fixture subassembly and spinning subassembly, mandrel subassembly and bench sliding connection, fixture subassembly and mandrel subassembly fixed connection, fixture subassembly sets at least one, spinning subassembly and mandrel subassembly fixed connection, be equipped with power element on mandrel subassembly or bench, power element and mandrel subassembly are connected, and power element is used for driving mandrel subassembly rotation. The utility model's design effectively avoids the situation that long -tube spare appears to swing when processing, reduces long -tube spare's processing difficulty, and reduces the occurrence of safety accidents.

Description

Technical Field

[0001] This utility model relates to the field of spinning technology, and in particular to a long tube spinning machine. Background Technology

[0002] Spinning technology has long been applied in industrial manufacturing and is widely used in various sectors of the national economy, such as the aerospace industry, the automotive industry, and various handicrafts. Spinning is an advanced, minimal-cutting machining process that combines the characteristics of forging, extrusion, stretching, bending, ring rolling, and roll forming. As a branch of plastic forming, it features good metal deformation conditions, high material utilization, good flexibility, and low cost. It is suitable for processing a variety of metal materials and is an economical and rapid method for forming thin-walled rotating parts. Existing spinning machines typically have a clamp on the mandrel, which holds the tubing, and the mandrel rotates to begin the spinning process.

[0003] However, the aforementioned processing methods are prone to causing the slender tubes to swing during processing, which can affect the process and increase the risk of safety accidents. Therefore, it is necessary to develop a newer, more compact technology that can be used to spin-form slender tubes, thereby solving the above problems. Utility Model Content

[0004] The purpose of this utility model is to provide a long tube spinning machine to solve the problems in the background art, such as the slender tubes easily swinging during processing, which affects the processing and is also prone to safety accidents.

[0005] This utility model provides the following technical solution: a long tube spinning machine, including a machine base, a mandrel assembly, a clamp assembly, and a spinning assembly. The mandrel assembly and the machine base are slidably connected, and the clamp assembly and the mandrel assembly are fixedly connected. At least one set of clamp assemblies is provided. The spinning assembly and the mandrel assembly are fixedly connected. A power element is provided on the mandrel assembly or the machine base. The power element is connected to the mandrel assembly and is used to drive the mandrel assembly to rotate.

[0006] Preferably, the spinning assembly includes a spinning drive assembly, a spinning drive shaft, a spinning mounting plate, a spinning drive block, a spinning connecting block, a spinning wheel fixing block, and a spinning wheel. The spinning drive assembly and the spinning drive shaft are fixedly connected. The spinning drive shaft and the spinning drive block are fixedly connected. The spinning drive shaft is disposed within the mandrel assembly. The spinning mounting plate and the mandrel assembly are fixedly connected. The spinning connecting block and the spinning mounting plate are slidably connected. The spinning connecting block and the spinning drive block are slidably connected. The spinning wheel fixing block and the spinning connecting block are fixedly connected. The spinning wheel fixing block and the spinning wheel are matched. The spinning wheel fixing block and the spinning wheel are connected.

[0007] Preferably, the spinning transmission assembly includes a spinning transmission motor, a spinning transmission lead screw, a spinning transmission slider, and a spinning transmission slide rail. The spinning transmission motor and the spinning transmission lead screw are fixedly connected. The spinning transmission slider is slidably connected to the spindle assembly through the spinning transmission slide rail. The spinning transmission slider is connected to the spinning transmission lead screw and the spinning transmission shaft.

[0008] Preferably, three or more sets of the spinning wheel fixing block and the spinning wheel are provided.

[0009] Preferably, a mandrel assembly is further provided within the mandrel assembly. The mandrel assembly includes a mandrel cylinder, a mandrel drive shaft, and a mandrel. The mandrel cylinder is fixedly connected to the mandrel assembly or the machine base. The mandrel drive shaft is fixedly connected to the mandrel cylinder. The mandrel drive shaft is fixedly connected to the mandrel. The mandrel drive shaft and the mandrel are disposed within the spinning drive shaft.

[0010] Preferably, the clamping assembly includes an upper clamp, a lower clamp, and a clamping fastener, wherein the lower clamp is fixedly connected to the machine base, and the upper clamp is connected to the lower clamp via the clamping fastener.

[0011] Preferably, the clamping assembly further includes a clamping drive cylinder, which is fixedly connected to the upper clamp, and the clamping drive cylinder is used to drive the upper clamp and the lower clamp to clamp the workpiece.

[0012] Preferably, the mandrel assembly includes a mandrel seat and a mandrel, the mandrel seat is connected to the machine base, the mandrel and the mandrel seat are rotatably connected, the power element is connected to the mandrel, and the spinning transmission slider is slidably connected to the mandrel seat through the spinning transmission slide rail.

[0013] Preferably, a spindle drive assembly is also provided between the spindle seat and the machine base.

[0014] Preferably, the spindle drive assembly includes a spindle drive motor, a spindle drive lead screw, and a spindle drive slide rail. The spindle drive slide rail is fixedly connected to the machine base, and the spindle seat is slidably connected to the machine base via the spindle drive slide rail. The spindle drive motor and the spindle drive lead screw are fixedly connected, and the spindle drive lead screw is connected to the spindle seat.

[0015] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model discloses a long tube spinning machine, comprising a machine base, a mandrel assembly, a clamping assembly, and a spinning assembly. The mandrel assembly and the machine base are slidably connected, and the clamping assembly and the mandrel assembly are fixedly connected. At least one set of clamping assemblies is provided. The spinning assembly and the mandrel assembly are fixedly connected. A power element is provided on the mandrel assembly or the machine base, and the power element is connected to the mandrel assembly. The power element drives the mandrel assembly to rotate. Two sets of clamping assemblies can be provided to facilitate the clamping and fixing of long tubes. The power element drives the mandrel assembly to rotate, and the mandrel assembly drives the spinning assembly to rotate, thereby realizing the spinning processing of the long tube. Through the above configuration, the long tube remains stationary, thus avoiding the occurrence of swinging during processing, reducing the processing difficulty of long tubes, and reducing the occurrence of safety accidents.

[0016] 2. The long tube spinning machine of this utility model includes a spinning assembly comprising a spinning transmission assembly, a spinning transmission shaft, a spinning mounting plate, a spinning transmission block, a spinning connecting block, a spinning wheel fixing block, and a spinning wheel. The spinning transmission assembly and the spinning transmission shaft are fixedly connected. The spinning transmission shaft and the spinning transmission block are fixedly connected. The spinning transmission shaft is disposed within a mandrel assembly. The spinning mounting plate and the mandrel assembly are fixedly connected. The spinning connecting block and the spinning mounting plate are slidably connected. The spinning connecting block and the spinning transmission block are slidably connected. The spinning wheel fixing block and the spinning connecting block are fixedly connected. The spinning wheel fixing block and the spinning wheel are matched and connected. The spinning drive assembly drives the spinning drive shaft to move back and forth, which in turn drives the spinning drive block to move back and forth. This causes the spinning connecting block to slide up and down on the spinning mounting plate. The spinning drive block slides along the slope of the spinning connecting block, which in turn drives the spinning wheel fixing block to contract or expand, thereby enabling the spinning wheel to contract or expand and thus spin the long pipe.

[0017] 3. The long tube spinning machine of this utility model includes a spinning transmission assembly comprising a spinning transmission motor, a spinning transmission lead screw, a spinning transmission slider, and a spinning transmission slide rail. The spinning transmission motor and the spinning transmission lead screw are fixedly connected. The spinning transmission slider is slidably connected to the spindle assembly via the spinning transmission slide rail. The spinning transmission slider is connected to the spinning transmission lead screw and to the spinning transmission shaft. The spinning transmission motor drives the spinning transmission lead screw to rotate, which in turn causes the spinning slider to slide on the spinning transmission slide rail. The spinning slider then drives the spinning transmission shaft to move.

[0018] 4. The long tube spinning machine of this utility model has three or more sets of spinning wheel fixing blocks and spinning wheels. Setting three sets of spinning wheel fixing blocks and spinning wheels can ensure that the long tube is subjected to uniform force when the spinning machine spins the long tube, effectively improving the processing accuracy.

[0019] 5. The long tube spinning machine of this utility model further includes a mandrel assembly within the mandrel assembly. The mandrel assembly comprises a mandrel cylinder, a mandrel drive shaft, and a mandrel. The mandrel cylinder is fixedly connected to the mandrel assembly or the machine base. The mandrel drive shaft is fixedly connected to the mandrel cylinder and the mandrel, respectively. The mandrel drive shaft and the mandrel are also fixedly connected, and are housed within the spinning drive shaft. The mandrel is moved by the mandrel cylinder driving the mandrel drive shaft to adapt to the processing of the workpiece.

[0020] 6. The long tube spinning machine of this utility model includes a clamping assembly comprising an upper clamp, a lower clamp, and clamping fasteners. The lower clamp is fixedly connected to the machine base, and the upper clamp is connected to the lower clamp via the clamping fasteners. The clamping assembly also includes a clamping drive cylinder, which is fixedly connected to the upper clamp and is used to drive the upper and lower clamps to clamp the workpiece. By driving the upper and lower clamps to clamp via the clamping cylinder, the clamping assembly can clamp long tubes.

[0021] 7. The long tube spinning machine of this utility model includes a mandrel assembly comprising a mandrel seat and a mandrel. The mandrel seat is connected to the machine base, and the mandrel and mandrel seat are rotatably connected. A power element is connected to the mandrel, and the spinning transmission slide block is slidably connected to the mandrel seat via a spinning transmission slide rail. The mandrel is connected to the machine base via the mandrel seat, and the design of the mandrel seat allows it to support more components.

[0022] 8. The long tube spinning machine of this utility model also includes a mandrel transmission assembly between the mandrel seat and the machine base. The mandrel transmission assembly can drive the mandrel assembly to move on the machine base.

[0023] 9. The long tube spinning machine of this utility model includes a mandrel transmission assembly comprising a mandrel transmission motor, a mandrel transmission lead screw, and a mandrel transmission slide rail. The mandrel transmission slide rail is fixedly connected to the machine base, and the mandrel seat is slidably connected to the machine base via the mandrel transmission slide rail. The mandrel transmission motor and the mandrel transmission lead screw are fixedly connected, and the mandrel transmission lead screw is connected to the mandrel seat. The mandrel transmission motor drives the mandrel transmission lead screw to rotate, and the mandrel transmission lead screw drives the mandrel seat to move on the mandrel transmission slide rail. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a three-dimensional schematic diagram of the long tube spinning machine of this utility model; Figure 2 This is a cross-sectional view of the long tube spinning machine of this utility model; Figure 3 This is a three-dimensional schematic diagram of the spinning assembly of the long tube spinning machine of this utility model; Figure 4 This is a cross-sectional view of the spinning assembly of the long tube spinning machine of this utility model; Figure 5 This is a three-dimensional schematic diagram of the spindle assembly of the long tube spinning machine of this utility model; Figure 6 This is a three-dimensional schematic diagram of the clamping assembly of the long tube spinning machine of this utility model.

[0026] In each of the attached drawings: 1. Machine base; 11. Power element; 2. Mandrel assembly; 21. Mandrel seat; 22. Mandrel; 3. Fixture assembly; 31. Upper fixture; 32. Lower fixture; 33. Fixture fastener; 34. Fixture drive cylinder; 4. Spinning assembly; 41. Spinning transmission assembly; 411. Spinning transmission motor; 412. Spinning transmission lead screw; 413. Spinning transmission slider; 414. Spinning transmission slide rail; 42. Spinning transmission shaft; 43. Spinning mounting plate; 44. Spinning transmission block; 45. Spinning connecting block; 46. Spinning wheel fixing block; 47. Spinning wheel; 5. Mandrel assembly; 51. Mandrel cylinder; 52. Mandrel transmission shaft; 53. Mandrel; 6. Mandrel transmission assembly; 61. Mandrel transmission motor; 62. Mandrel transmission lead screw; 63. Mandrel transmission slide rail. Detailed Implementation

[0027] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0028] In the description of this application, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0029] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between the components; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0030] In the description of this application, it should be understood that the terms "upper", "lower", "side", "front", "rear", etc., indicate the orientation or positional relationship based on the installation orientation or positional relationship, and 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 orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0031] In the description of this application, it should be noted that the term "and / or" is merely a description of the relationship between related objects, indicating that there can be three relationships. For example, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone.

[0032] It should also be noted that in the embodiments of this application, the same reference numerals are used to represent the same component or part. For the same part in the embodiments of this application, the reference numerals may only be used to mark one part or component as an example. It should be understood that the reference numerals are also applicable to other identical parts or components.

[0033] Furthermore, in this application, the technical features described in an open-ended manner include both closed technical solutions composed of the listed features and open technical solutions that include the listed features.

[0034] To further understand the utility model content, features, and effects of this application, the following embodiments are provided, and detailed descriptions are given below in conjunction with the accompanying drawings: like Figure 1-6As shown, the long tube spinning machine includes a machine base 1, a mandrel assembly 2, a clamping assembly 3, and a spinning assembly 4. The mandrel assembly 2 and the machine base 1 are slidably connected, and the clamping assembly 3 and the mandrel assembly 2 are fixedly connected. At least one set of clamping assemblies 3 is provided. The spinning assembly 4 and the mandrel assembly 2 are fixedly connected. A power element 11 is provided on the mandrel assembly 2 or the machine base 1, and the power element 11 is connected to the mandrel assembly 2. The power element 11 is used to drive the mandrel assembly 2 to rotate. In this embodiment, two sets of clamping assemblies are provided to facilitate the clamping and fixing of long tubes. The power element drives the mandrel assembly to rotate, and the mandrel assembly drives the spinning assembly to rotate, thereby realizing the spinning processing of the long tube. Through the above arrangement, the long tube is fixed, thereby avoiding the swinging of the long tube during processing, reducing the processing difficulty of the long tube, and reducing the occurrence of safety accidents. Of course, it is not limited to this; any other method that can prevent the long tube from swinging during processing can be used.

[0035] Specifically, such as Figure 3 , 4 As shown, the spinning assembly 4 includes a spinning transmission assembly 41, a spinning transmission shaft 42, a spinning mounting plate 43, a spinning transmission block 44, a spinning connecting block 45, a spinning wheel fixing block 46, and a spinning wheel 47. The spinning transmission assembly 41 and the spinning transmission shaft 42 are fixedly connected, the spinning transmission shaft 42 and the spinning transmission block 44 are fixedly connected, the spinning transmission shaft 42 is disposed inside the spindle assembly 2, the spinning mounting plate 43 is fixedly connected to the spindle assembly 2, the spinning connecting block 45 and the spinning mounting plate 43 are slidably connected, the spinning connecting block 45 and the spinning transmission block 44 are slidably connected, the spinning wheel fixing block 46 and the spinning connecting block 45 are fixedly connected, the spinning wheel fixing block 46 and the spinning wheel 47 are matched, and the spinning wheel fixing block 46 and the spinning wheel 47 are connected. In this embodiment, the connection between the spinning connecting block and the spinning transmission block is a matching ramp. A slide rail is provided between the spinning connecting block and the spinning mounting plate, allowing the spinning connecting block to slide on the spinning mounting plate via the slide rail. Similarly, a slide rail is provided between the spinning connecting block and the spinning transmission block, allowing the spinning connecting block to slide along the ramp on the spinning connecting block. The spinning transmission assembly drives the spinning transmission shaft to move back and forth, which in turn drives the spinning transmission block to move back and forth, causing the spinning connecting block to slide up and down on the spinning mounting plate. The spinning transmission block slides along the ramp of the spinning connecting block, causing the spinning connecting block to cause the spinning wheel fixing block to contract or expand, thus achieving the contraction or expansion of the spinning wheel and performing spinning processing on long pipes. Of course, this is not limited to this embodiment; other mechanisms capable of achieving the contraction or expansion of the spinning wheel can be used.

[0036] Specifically, the spinning transmission assembly 41 includes a spinning transmission motor 411, a spinning transmission lead screw 412, a spinning transmission slider 413, and a spinning transmission slide rail 414. The spinning transmission motor 411 and the spinning transmission lead screw 412 are fixedly connected. The spinning transmission slider 413 is slidably connected to the spindle assembly 2 via the spinning transmission slide rail 414. The spinning transmission slider 413 is connected to the spinning transmission lead screw 412 and to the spinning transmission shaft 42. In this embodiment, the spinning transmission motor drives the spinning transmission lead screw to rotate, which in turn drives the spinning slider to slide on the spinning transmission slide rail. The spinning slider then drives the spinning transmission shaft to move, which in turn drives the spinning transmission block to move. However, this is not a limitation; any other mechanism capable of moving the spinning transmission block can be used.

[0037] Specifically, three or more sets of spinning wheel fixing blocks 46 and spinning wheels 47 are provided. In this embodiment, three sets of spinning wheel fixing blocks and spinning wheels are provided, which ensures that the long pipe is subjected to uniform force when the spinning machine spins it, effectively improving the processing accuracy. Of course, the number of sets of spinning wheel fixing blocks and spinning wheels is not limited to this; any other number of sets that can ensure uniform force on the long pipe during processing can be used.

[0038] Specifically, such as Figure 5 As shown, a mandrel assembly 2 also includes a mold assembly 5. The mold assembly 5 comprises a mold cylinder 51, a mold drive shaft 52, and a mold 53. The mold cylinder 51 is fixedly connected to the mandrel assembly 2 or the machine base 1. The mold drive shaft 52 is fixedly connected to the mold cylinder 51, and the mold 53 is fixedly connected. The mold drive shaft 52 and the mold 53 are housed within the spinning drive shaft 42. In this embodiment, the mold cylinder drives the mold drive shaft to move the mold, adapting to the workpiece processing. However, this is not a limitation; any material capable of driving the mold to move is acceptable.

[0039] Specifically, the clamping assembly 3 includes an upper clamp 31, a lower clamp 32, and a clamping fastener 33. The lower clamp 32 is fixedly connected to the machine base 1, and the upper clamp 31 is connected to the lower clamp 32 via the clamping fastener 33. The clamping assembly 3 also includes a clamping drive cylinder 34, which is fixedly connected to the upper clamp 31. The clamping drive cylinder 34 is used to drive the upper clamp 31 and the lower clamp 32 to clamp the workpiece. In this embodiment, the clamping cylinder drives the upper clamp to clamp along the clamping fastener and the lower clamp, thereby achieving the clamping of long pipes by the clamping assembly. Of course, it is not limited to this; other clamping mechanisms capable of clamping long pipes can also be used.

[0040] Specifically, such as Figure 5As shown, the mandrel assembly 2 includes a mandrel seat 21 and a mandrel 22. The mandrel seat 21 is connected to the machine base 1, and the mandrel 22 is rotatably connected to the mandrel seat 21. The power element 11 is connected to the mandrel 22, and the spinning transmission slider 413 is slidably connected to the mandrel seat 21 via a spinning transmission slide rail 414. In this embodiment, the mandrel is connected to the machine base via the mandrel seat, and the design of the mandrel seat allows it to support more components. Of course, it is not limited to this; other components that can achieve the same function can be used.

[0041] Specifically, such as Figure 6 As shown, a spindle drive assembly 6 is also provided between the spindle seat 21 and the machine base 1. In this embodiment, the spindle drive assembly can drive the spindle assembly to move on the machine base. Of course, it is not limited to this; it can be any other component capable of driving the spindle assembly to move on the machine base.

[0042] Specifically, the spindle drive assembly 6 includes a spindle drive motor 61, a spindle drive lead screw 62, and a spindle drive slide rail 63. The spindle drive slide rail 63 is fixedly connected to the machine base 1, and the spindle seat 21 is slidably connected to the machine base 1 via the spindle drive slide rail 63. The spindle drive motor 61 and the spindle drive lead screw 62 are fixedly connected, and the spindle drive lead screw 62 is connected to the spindle seat 21. In this embodiment, the spindle drive motor drives the spindle drive lead screw to rotate, and the spindle drive lead screw drives the spindle seat to move on the spindle drive slide rail. Of course, it is not limited to this; any other assembly capable of enabling the spindle seat to move on the spindle drive slide rail can be used.

[0043] Working principle: During operation, the long pipe is placed on the lower clamp. The clamp drive cylinder drives the upper clamp to clamp the long pipe downward along the clamp fixing part. Then, the mandrel drive motor drives the mandrel drive screw to rotate. The mandrel drive screw drives the mandrel seat to move towards the long pipe. The mandrel seat drives the mandrel to move to the appropriate position. The mandrel cylinder drives the mandrel drive shaft to move the mandrel into the long pipe. The power element drives the mandrel to start rotating. The spinning drive motor drives the spinning drive screw to move the spinning drive shaft backward. The spinning drive shaft drives the spinning drive block to move backward. The spinning drive block drives the spinning connecting block to move backward along the slope on the spinning connecting block. At the same time, the spinning connecting block moves downward on the spinning mounting plate. Thus, the spinning connecting block drives the spinning wheel fixing block to retract towards the long pipe. The spinning wheel fixing block drives the spinning wheel to retract towards the long pipe, thereby realizing the spinning processing of the long pipe.

[0044] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0045] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A long tube spinning machine, characterized in that: The machine includes a machine base (1), a spindle assembly (2), a clamp assembly (3), and a spinning assembly (4). The spindle assembly (2) and the machine base (1) are slidably connected. The clamp assembly (3) and the spindle assembly (2) are fixedly connected. At least one set of clamp assemblies (3) is provided. The spinning assembly (4) and the spindle assembly (2) are fixedly connected. A power element (11) is provided on the spindle assembly (2) or the machine base (1). The power element (11) is connected to the spindle assembly (2) and is used to drive the spindle assembly (2) to rotate.

2. The long tube spinning machine according to claim 1, characterized in that: The spinning assembly (4) includes a spinning drive assembly (41), a spinning drive shaft (42), a spinning mounting plate (43), a spinning drive block (44), a spinning connecting block (45), a spinning wheel fixing block (46), and a spinning wheel (47). The spinning drive assembly (41) and the spinning drive shaft (42) are fixedly connected, and the spinning drive shaft (42) and the spinning drive block (44) are fixedly connected. The spinning drive shaft (42) is disposed within the spindle assembly (2). The spinning mounting plate (43) and the spindle assembly (2) are fixedly connected. The spinning connecting block (45) and the spinning mounting plate (43) are slidably connected. The spinning connecting block (45) and the spinning transmission block (44) are slidably connected. The spinning wheel fixing block (46) and the spinning connecting block (45) are fixedly connected. The spinning wheel fixing block (46) and the spinning wheel (47) are matched. The spinning wheel fixing block (46) and the spinning wheel (47) are connected.

3. The long tube spinning machine according to claim 2, characterized in that: The spinning transmission assembly (41) includes a spinning transmission motor (411), a spinning transmission lead screw (412), a spinning transmission slider (413), and a spinning transmission slide rail (414). The spinning transmission motor (411) and the spinning transmission lead screw (412) are fixedly connected. The spinning transmission slider (413) is slidably connected to the spindle assembly (2) through the spinning transmission slide rail (414). The spinning transmission slider (413) is connected to the spinning transmission lead screw (412). The spinning transmission slider (413) is connected to the spinning transmission shaft (42).

4. The long tube spinning machine according to claim 2 or 3, characterized in that: The spinning wheel fixing block (46) and the spinning wheel (47) are provided in three or more sets.

5. The long tube spinning machine according to claim 4, characterized in that: The mandrel assembly (2) is further provided with a mold assembly (5), which includes a mold cylinder (51), a mold drive shaft (52) and a mold (53). The mold cylinder (51) is fixedly connected to the mandrel assembly (2) or the machine base (1), the mold drive shaft (52) is fixedly connected to the mold cylinder (51), and the mold drive shaft (52) is fixedly connected to the mold (53). The mold drive shaft (52) and the mold (53) are arranged inside the spinning drive shaft (42).

6. The long tube spinning machine according to claim 5, characterized in that: The clamp assembly (3) includes an upper clamp (31), a lower clamp (32) and a clamp fastener (33). The lower clamp (32) is fixedly connected to the machine base (1), and the upper clamp (31) is connected to the lower clamp (32) through the clamp fastener (33).

7. The long tube spinning machine according to claim 6, characterized in that: The clamping assembly (3) further includes a clamping drive cylinder (34), which is fixedly connected to the upper clamp (31). The clamping drive cylinder (34) is used to drive the upper clamp (31) and the lower clamp (32) to clamp the workpiece.

8. The long tube spinning machine according to any one of claims 5-7, characterized in that: The spindle assembly (2) includes a spindle seat (21) and a spindle (22). The spindle seat (21) is connected to the machine base (1). The spindle (22) and the spindle seat (21) are rotatably connected. The power element (11) is connected to the spindle (22). The spinning transmission slider (413) is slidably connected to the spindle seat (21) through the spinning transmission slide rail (414).

9. The long tube spinning machine according to claim 8, characterized in that: A spindle drive assembly (6) is also provided between the spindle seat (21) and the machine base (1).

10. The long tube spinning machine according to claim 9, characterized in that: The spindle drive assembly (6) includes a spindle drive motor (61), a spindle drive screw (62), and a spindle drive slide rail (63). The spindle drive slide rail (63) is fixedly connected to the machine base (1). The spindle seat (21) is slidably connected to the machine base (1) through the spindle drive slide rail (63). The spindle drive motor (61) and the spindle drive screw (62) are fixedly connected. The spindle drive screw (62) and the spindle seat (21) are connected.

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