Stranding machine for cable production

Abstract

The utility model relates to a stranding machine for cable production, which belongs to the technical field of cable production, and comprises a stranding machine, two winches, a driving unit and a support frame, the support frame and the stranding machine are provided with an installation replacement structure, and the installation replacement structure comprises a tooth cylinder, an installation ring and an annular connecting piece. According to the stranding machine for cable production, electric control of the electric push rod and the linear driver is realized through arrangement of the mounting and replacing structure, the winch does not need to be manually replaced, the replacing time is greatly shortened, the production efficiency is improved, the winch and the annular connecting piece are rapidly aligned through the matched design of a notch in a boss and an embedded groove in a connecting block, and the production efficiency is improved. The coaxial structure of the tooth cylinder and the annular slide rail ensures the stability of the winch during rotation, reduces vibration and noise and improves the stranding quality, the cooperation of the linear slide rail and the annular slide rail ensures the precision of movement and rotation of the winch and meets the requirement of a high-precision stranding process, and the support frame and the stranding machine are integrally installed, so that the space is saved.

Description

Technical Field

[0001] This utility model relates to the field of cable production technology, specifically to a stranding machine for cable production. Background Technology

[0002] Cable production includes the preparation of conductor, insulation, and sheath materials; conductor stranding; insulation extrusion; cabling; inner sheath extrusion; armoring; outer sheath extrusion; quality inspection; packaging; and storage. Among these, the conductor stranding step in cable production involves stranding the core conductor using a stranding machine. The stranding machine is a key piece of equipment in the production of cables, wires, and communication cables. It mechanically twists multiple single wires into a spiral wound according to specific rules to form a wire core or cable core with specific structure and performance. Common stranding machines mainly consist of a winch, tension control system, drive system, traction device, and wire laying system. Depending on the type, they are classified as single stranding machines, pair stranding machines, high-speed stranding machines, cage stranding machines, untwisting machines, and disc stranding machines, etc.

[0003] Chinese invention patent announcement number CN117079895A discloses an adjustable stranding machine for cable production. In actual use, the conductor coils on the winch will be used up, requiring workers to replace them. Depending on the number of conductor strands in the core, a corresponding number of conductor coils need to be replaced. The replacement process requires machine downtime, resulting in long downtime and affecting the efficiency of stranding the core. Furthermore, the replacement operation requires manual intervention, leading to high labor intensity for workers. Therefore, a stranding machine for cable production is proposed to solve the above problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a stranding machine for cable production, which has the advantages of easy automatic replacement of the winch and reduced manual intervention. It solves the problems of conductor coils on the winch being used up, requiring workers to replace them, and the need to replace a corresponding number of conductor coils according to the number of conductor strands in the production core. The replacement process requires machine downtime, which affects the efficiency of stranding the core and the need for manual intervention, resulting in high labor intensity for workers.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a stranding machine for cable production includes a stranding machine, two winches, a drive unit and a support frame, wherein the support frame and the stranding machine are provided with an installation and replacement structure;

[0006] The installation and replacement structure includes a gear cylinder, a mounting ring, an annular connector, two electric push rods, a guide frame, a rectangular frame, two annular slide rails, and a linear actuator. The gear cylinder is rotatably mounted on the support frame, the mounting ring is slidably mounted on the outer surface of the gear cylinder, the annular connector is rotatably connected to the mounting ring and sleeved on the outer surface of the gear cylinder, the two electric push rods are respectively fixedly mounted on the support frame, and the telescopic ends of the two electric push rods are respectively fixedly connected to the mounting ring, the guide frame is fixedly mounted on the stranding machine, the rectangular frame is slidably mounted inside the guide frame, the two annular slide rails are respectively fixedly mounted inside the rectangular frame, and the two winches are respectively rotatably mounted on the two annular slide rails.

[0007] Furthermore, the inner top wall and inner bottom wall of the guide frame are both fixedly installed with linear slide rails, and the rectangular frame is slidably installed on the two linear slide rails.

[0008] Furthermore, both of the annular slide rails are provided with threaded holes, and both annular slide rails are equipped with positioning screws that are adapted to the threaded holes, with one end of the positioning screw penetrating the winch body.

[0009] Furthermore, another embodiment of the rectangular frame includes a linear actuator and a rectangular frame, wherein the linear actuator is fixedly mounted on the top of the guide frame, and the telescopic end of the linear actuator is fixedly connected to the rectangular frame.

[0010] Furthermore, one end of the toothed cylinder is provided with four notches, the inner circumferential wall of the annular connector is provided with four bosses, the size of the bosses is adapted to the size of the notches, four connecting blocks are fixedly installed on one side of the annular connector, and four embedded grooves adapted to the connecting blocks are provided on the winch body.

[0011] Furthermore, the central axis of the gear cylinder coincides with the central axis of one of the annular slide rails, and the distance between one end of the gear cylinder and the annular slide rail is one millimeter.

[0012] Furthermore, the drive unit is mounted on the stranding machine, the support frame is fixedly mounted on the stranding machine, and the drive unit includes a motor and a gear. The motor is mounted on the stranding machine, and the gear is fixedly mounted on the output shaft of the motor and meshes with the outer surface of the gear cylinder.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] This cable stranding machine features an installation and replacement structure that enables electric control of the electric push rod and linear drive, eliminating the need for manual winch replacement, significantly reducing changeover time and improving production efficiency. The notched groove on the boss and the embedded groove on the connecting block allow for quick alignment of the winch with the annular connector. The coaxial structure of the toothed cylinder and the annular slide rail ensures the stability of the winch rotation, reducing vibration and noise and improving stranding quality. The cooperation between the linear and annular slide rails ensures the precision of winch movement and rotation, meeting the requirements of high-precision stranding processes. The support frame is integrated with the stranding machine, saving space. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 A perspective view of the installation and replacement structure of this utility model;

[0017] Figure 3 This is an exploded view of the structural replacement part of this utility model;

[0018] Figure 4 This is a schematic diagram showing the connection between the installation part of the structure and the winch of this utility model;

[0019] Figure 5 This is an exploded view of the installation part of the structure of this utility model;

[0020] Figure 6 This is a schematic diagram of the winch replacement in this utility model.

[0021] In the diagram: 1. Stranding machine; 2. Winch; 3. Drive unit; 4. Support frame; 5. Installation and replacement structure; 51. Gear cylinder; 52. Mounting ring; 53. Annular connector; 54. Electric actuator; 55. Guide frame; 56. Rectangular frame; 57. Annular slide rail; 58. Linear actuator. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example 1: Please refer to Figure 1-6 The cable production stranding machine in this embodiment includes a stranding machine 1, two winches 2, a drive unit 3 and a support frame 4, and an installation and replacement structure 5 is provided on the support frame 4 and the stranding machine 1.

[0024] Example 2: Please refer to Figure 1-6 Based on Embodiment 1, the installation and replacement structure 5 includes a gear cylinder 51, a mounting ring 52, an annular connector 53, two electric push rods 54, a guide frame 55, a rectangular frame 56, two annular slide rails 57, and a linear actuator 58. The gear cylinder 51 is rotatably mounted on the support frame 4, the mounting ring 52 is slidably mounted on the outer surface of the gear cylinder 51, the annular connector 53 is rotatably connected to the mounting ring 52 and sleeved on the outer surface of the gear cylinder 51, the two electric push rods 54 are respectively fixedly mounted on the support frame 4, and the telescopic ends of the two electric push rods 54 are respectively fixedly connected to the mounting ring 52, the guide frame 55 is fixedly mounted on the stranding machine 1, the rectangular frame 56 is slidably mounted inside the guide frame 55, the two annular slide rails 57 are respectively fixedly mounted inside the rectangular frame 56, and the two winches 2 are respectively rotatably mounted on the two annular slide rails 57.

[0025] The drive unit 3 is mounted on the stranding machine 1, and the support frame 4 is fixedly mounted on the stranding machine 1. The drive unit 3 includes a motor and a gear. The motor is mounted on the stranding machine 1, and the gear is fixedly mounted on the output shaft of the motor and meshes with the outer surface of the gear cylinder 51. After the motor starts, the gear on the output shaft meshes with the teeth on the outer surface of the gear cylinder 51, driving the gear cylinder 51 to rotate around its own axis.

[0026] In addition, linear slide rails are fixedly installed on the inner top and bottom walls of the guide frame 55. The rectangular frame 56 is slidably installed on the two linear slide rails. The linear slide rails support the movement of the rectangular frame 56, provide precise guidance for the rectangular frame 56, avoid deviation during lateral movement, and reduce the friction of movement.

[0027] It should be noted that both annular slide rails 57 are provided with threaded holes, and both annular slide rails 57 are equipped with positioning screws that are compatible with the threaded holes. One end of the positioning screw passes through the winch 2 disc body. The positioning screw on the annular slide rail 57 passes through the winch 2 disc body and engages with the threaded hole to ensure that when the rectangular frame 56 moves, the winch 2 is prevented from rotating on the annular slide rail 57, thus affecting the accuracy of the docking.

[0028] Another embodiment of the rectangular frame 56 includes a linear actuator 58 and a rectangular frame 56. The linear actuator 58 is fixedly installed on the top of the guide frame 55. The telescopic end of the linear actuator 58 is fixedly connected to the rectangular frame 56. The linear actuator 58 drives the rectangular frame 56 to slide on the linear slide rail of the guide frame 55, thereby driving the annular slide rail 57 and the winch 2 to move laterally, which facilitates the automatic alternation of the winch 2.

[0029] Furthermore, four notches are provided at one end of the gear cylinder 51, and four bosses are provided on the inner peripheral wall of the annular connector 53. The size of the bosses matches the size of the notches. Four connecting blocks are fixedly installed on one side of the annular connector 53, and four embedding slots that match the connecting blocks are provided on the winch 2 disc body. The matching design of the notches on the bosses and the embedding slots on the connecting blocks enables the winch 2 and the annular connector 53 to be quickly aligned.

[0030] Finally, the central axis of the gear cylinder 51 coincides with the central axis of one of the annular slide rails 57. The distance between one end of the gear cylinder 51 and the annular slide rail 57 is one millimeter. The central axis of the gear cylinder 51 coincides with the central axis of one of the annular slide rails 57, and the distance between them is only 1 millimeter, which ensures the coaxiality and stability of power transmission and reduces transmission error.

[0031] Using the above technical solution, by activating the electric push rod 54, the mounting ring 52 is pushed to slide along the outer surface of the gear cylinder 51, which drives the annular connector 53 to move axially, thereby controlling the annular connector 53 to disengage from the winch 2. Then, the linear driver 58 is activated to drive the rectangular frame 56 to slide on the linear slide rail of the guide frame 55, which drives the annular slide rail 57 and the winch 2 to move laterally until the other winch 2 moves to the position of the axis of the gear cylinder 51. The winch 2 with the empty coil moves to one side of the stranding machine 1. Then, the positioning screw is loosened and the annular connector 53 is controlled to connect to the winch 2, thereby completing the replacement of the winch 2.

[0032] The working principle of the above embodiments is as follows:

[0033] When the cable production stranding machine is in use, after the motor is started, the gear on the output shaft meshes with the teeth on the outer surface of the toothed cylinder 51, driving the toothed cylinder 51 to rotate around its own axis. The notch at one end of the toothed cylinder 51 cooperates with the boss of the annular connector 53, so that the annular connector 53 rotates synchronously with the toothed cylinder 51. The connecting block of the annular connector 53 is embedded in the embedded groove of the winch 2, driving the winch 2 to rotate on the annular slide rail 57, thus realizing the cable stranding function.

[0034] When the coil on the winch 2 is used up, the electric push rod 54 is activated to push the mounting ring 52 to slide along the outer surface of the toothed cylinder 51, thereby causing the annular connector 53 to move axially, thus controlling the annular connector 53 to disengage from the winch 2.

[0035] Then, the linear driver 58 is activated to drive the rectangular frame 56 to slide on the linear slide rail of the guide frame 55, which in turn drives the annular slide rail 57 and the winch 2 to move laterally until the other winch 2 moves to the position of the axis of the toothed cylinder 51. The winch 2 with the empty coil moves to one side of the stranding machine 1. Then, the positioning screw is loosened and the annular connector 53 is controlled to connect the winch 2, thereby completing the replacement of the winch 2, thus shortening the replacement time and reducing downtime.

[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A stranding machine for cable production, comprising a stranding machine (1), two winches (2), a drive unit (3), and a support frame (4), characterized in that: The support frame (4) and the stranding machine (1) are provided with an installation and replacement structure (5); The installation and replacement structure (5) includes a gear cylinder (51), a mounting ring (52), an annular connector (53), two electric push rods (54), a guide frame (55), a rectangular frame (56), two annular slide rails (57), and a linear actuator (58). The gear cylinder (51) is rotatably mounted on the support frame (4), the mounting ring (52) is slidably mounted on the outer surface of the gear cylinder (51), and the annular connector (53) is rotatably connected to the mounting ring (52) and sleeved on the outer surface of the gear cylinder (51). On the surface, the two electric push rods (54) are fixedly installed on the support frame (4), and the telescopic ends of the two electric push rods (54) are fixedly connected to the mounting ring (52). The guide frame (55) is fixedly installed on the stranding machine (1). The rectangular frame (56) is slidably installed inside the guide frame (55). The two annular slide rails (57) are fixedly installed inside the rectangular frame (56). The two winches (2) are rotatably installed on the two annular slide rails (57).

2. The stranding machine for cable production according to claim 1, characterized in that: The inner top and inner bottom walls of the guide frame (55) are fixedly installed with linear slide rails, and the rectangular frame (56) is slidably installed on the two linear slide rails.

3. A stranding machine for cable production according to claim 1, characterized in that: Both of the two annular slide rails (57) are provided with threaded holes, and both of the annular slide rails (57) are provided with positioning screws that are compatible with the threaded holes. One end of the positioning screw passes through the winch (2) disc body.

4. A stranding machine for cable production according to claim 2, characterized in that: Another embodiment of the rectangular frame (56) includes a linear actuator (58) and a rectangular frame (56), wherein the linear actuator (58) is fixedly mounted on the top of the guide frame (55), and the telescopic end of the linear actuator (58) is fixedly connected to the rectangular frame (56).

5. A stranding machine for cable production according to claim 1, characterized in that: The toothed cylinder (51) has four notches at one end, and the inner circumferential wall of the annular connector (53) has four bosses. The size of the bosses matches the size of the notches. Four connecting blocks are fixedly installed on one side of the annular connector (53), and the winch (2) has four embedded slots that match the connecting blocks.

6. A stranding machine for cable production according to claim 1, characterized in that: The central axis of the toothed cylinder (51) coincides with the central axis of one of the annular slide rails (57), and the distance between one end of the toothed cylinder (51) and the annular slide rail (57) is one millimeter.

7. A stranding machine for cable production according to claim 1, characterized in that: The drive unit (3) is mounted on the stranding machine (1), and the support frame (4) is fixedly mounted on the stranding machine (1). The drive unit (3) includes a motor and a gear. The motor is mounted on the stranding machine (1), and the gear is fixedly mounted on the output shaft of the motor and meshes with the outer surface of the gear cylinder (51).

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