Bullet type mandrel device for automatic sleeve of wire drawing machine

Abstract

The utility model belongs to the technical field of glass fiber production equipment, and particularly relates to a bullet type mandrel device for an automatic sleeve of a wire drawing machine. The device comprises a mandrel inner cylinder, a mandrel roller group and a profiling conveying mechanism. By means of synchronous conveying and circle supporting of the wire winding barrels, the barrel feeding efficiency can be improved; the synchronous rotation of the wire winding cylinder is helpful for preventing the partial long-time stress of the wire winding cylinder; driving force for conveying and circle supporting is provided through the profiling belt, and damage to the wire winding barrel is avoided.

Description

Technical Field

[0001] This application belongs to the technical field of glass fiber production equipment, specifically relating to a bullet-shaped mandrel device for an automatic sleeve of a fiber drawing machine. Background Technology

[0002] A brief introduction to the production process of glass fiber: After formulating the raw ore, it is melted into molten glass in a furnace, flows out through a porous platinum stencil, is coated with a sizing agent by a monofilament oiler, and is then drawn into ultrafine fibers by various high-speed rotating drawing equipment such as drawing machines. These fibers are either wound into direct untwisted rovings or into raw filament cakes. Several drawing and winding methods require the use of a winding bobbin to form the roving, which can be made of paper or Teflon. Currently, the drawing process has been automated with features such as automatic head loading, no-cut yarn ring loading, cutting of intermediate connecting yarns, and unloading robots, replacing manual labor. However, after the robot removes the roving, a manual person must still put the winding bobbin onto the drawing machine head for further drawing and winding. This is not only inefficient but also poses safety hazards due to human-machine collaboration, hindering the overall automated production process.

[0003] Please refer to the Chinese patent: An Automatic Loading and Unloading Mechanism for Fiberglass Drawing Machines [Application Publication No.: CN115783899 A / Application No.: 202211622113.6]. This patent adjusts the lateral distance between two electric grippers [to accommodate the diameter of the winding bobbin] through a third motor, sprocket system, and front and rear fixed seats; the upper linear module drives the electric grippers forward and backward [corresponding to the bobbin loading and unloading action and the bobbin pushing action]. The device grips the two sides of the winding bobbin with electric grippers on both sides, and then uses the axial driving force of the upper linear module to place the winding bobbin onto the support unit. Problems: 1. The gripping force and unloading force on the winding bobbin come from the clamping force of the electric grippers and the driving force of the upper linear module, respectively; this can easily damage or even destroy the winding bobbin; 2. The upper linear module and electric grippers cannot simultaneously complete the support unit process of placing the winding bobbin onto the support unit, affecting the loading efficiency. Utility Model Content

[0004] In view of this, this application provides a bullet-shaped mandrel device for an automatic sleeve of a wire drawing machine to solve all or part of the technical problems described in the background section of this application.

[0005] The innovative concept of this application is as follows: a mandrel inner cylinder with a mandrel roller assembly is used to form the mandrel for conveying and rounding the winding bobbin; a contour belt that can cooperate with the mandrel rollers is used to provide the driving force for conveying and rounding the winding bobbin on the mandrel; the clamping force of the electric gripper and the driving force of the module are improved into the conveying force of the contour belt, so that the rounding of the winding bobbin is realized simultaneously during the sleeve and conveying process; damage to the winding bobbin is avoided and the loading efficiency is improved.

[0006] The solution provided in this application to resolve its technical problem is as follows:

[0007] A bullet-shaped mandrel device for an automatic sleeve of a wire drawing machine includes a mandrel inner cylinder and a mandrel roller assembly; the mandrel roller assembly is disposed on the mandrel inner cylinder.

[0008] Preferably, the mandrel roller assembly includes several rollers; the rollers are arranged in a spiral shape on the inner cylinder of the mandrel.

[0009] Preferably, the spindle roller assembly is also provided with a spiral roller shaft; several rollers are arranged on the spiral roller shaft.

[0010] Preferably, the mandrel inner cylinder includes a cylinder head, a cylinder body, and a cylinder seat. Further, the mandrel roller assembly is spirally arranged on the cylinder body.

[0011] Preferably, the cylinder head has a conical structure or a flat conical mechanism.

[0012] Preferably, the bullet-shaped mandrel device for the automatic sleeve of the wire drawing machine also includes a contouring conveyor mechanism; the contouring conveyor mechanism includes a drive flexible shaft, a flexible shaft motor, several contouring belts, several drive wheels, and several driven wheels; the contouring belts are arranged on the drive wheels and driven wheels, the drive flexible shaft is connected to the drive wheels, and the flexible shaft motor is driven to the drive flexible shaft.

[0013] Preferably, the contour conveying mechanism also includes a support frame; the driving wheel and the driven wheel are mounted on the support frame.

[0014] Preferably, the support frame is provided with an inner cylinder receiving position, and several belt receiving positions are evenly arranged around the inner cylinder receiving position; the driving wheel and the driven wheel are set in the belt receiving positions through the roller frame, and the mandrel inner cylinder is set in the inner cylinder receiving position and supported by the contour belt.

[0015] Preferably, the support frame also includes a base; the flexible shaft motor is mounted on the base.

[0016] Preferably, the contoured belt has a cross-sectional structure that matches the curvature of the winding drum.

[0017] Beneficial technical effects:

[0018] 1. The bullet-shaped mandrel device for automatic sleeve of wire drawing machine provided in this application can drive the winding bobbin to automatically move forward along the inner cylinder of the mandrel through the cooperation of the contour belt and the mandrel roller group on the inner cylinder of the mandrel, and simultaneously complete the sleeve and rounding work of the winding bobbin.

[0019] 2. The bullet-shaped mandrel device for automatic sleeves in wire drawing machines provided in this application arranges the mandrel roller assembly in a spiral pattern on the inner cylinder of the mandrel. As the winding bobbin is driven forward around the mandrel by a contour belt, it rotates according to the spiral direction, thus rotating around the inner cylinder of the mandrel while being conveyed forward along the mandrel axis. This improves the roundness quality of the winding bobbin and ensures efficient loading. Simultaneously, it continuously changes the stress points on the winding bobbin, avoiding prolonged localized stress.

[0020] The technical solution and technical effects of this application will be described in detail below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0021] Figure 1 Schematic diagram of bullet-shaped mandrel device;

[0022] Figure 2 Schematic diagram of the support frame structure;

[0023] Icon description:

[0024] 10-Inner cylinder of mandrel, 20-Mandrel roller assembly, 30-Contouring conveyor mechanism;

[0025] 110 - Cylinder head, 120 - Cylinder body, 130 - Cylinder base;

[0026] 310-Drive flexible shaft, 320-Flexible shaft motor, 330-Contouring belt, 340-Drive pulley, 350-Driven pulley, 360-Support frame, 370-Roller frame;

[0027] 3610 - Inner cylinder accommodating position, 3620 - Belt accommodating position, 3630 - Base, 3640 - Stand. Detailed Implementation

[0028] Please see Figures 1 to 2 The bullet-shaped mandrel device for automatic sleeves of wire drawing machines disclosed in this embodiment includes a mandrel inner cylinder 10, a mandrel roller group 20, and a contour conveying mechanism 30.

[0029] The mandrel inner cylinder 10 includes a cylinder head 110, a cylinder body 120, and a cylinder seat 130; the three parts are integrally formed or fixedly connected. The cylinder head 110 has a conical or flat conical structure to facilitate sleeve insertion; the cylinder body 120 is a circular mechanism to simultaneously complete the conveying and cylinder supporting actions; the cylinder seat 130 is a magnetic component to facilitate shaft connection when inserting the cylinder onto the drawing machine head.

[0030] The mandrel roller assembly 20 includes several rollers; these rollers are all mounted on the cylindrical body 120 and arranged in a spiral pattern. The spiral arrangement of the rollers can be achieved using two methods: 1. By providing a spiral roller shaft on the cylindrical body 120 and mounting the rollers on the spiral roller shaft; 2. By providing a spiral groove on the cylindrical body 120 and mounting the rollers within the spiral groove. The rims of the rollers protrude from the outer surface of the cylindrical body 120 to provide rolling support for the winding bobbin.

[0031] The contour conveying mechanism 30 includes a support frame 360, which includes a base 3630 and a vertical frame 3640. An inner cylinder receiving position 3610 is provided on the vertical frame 3640, and three belt receiving positions 3620 are evenly arranged around the inner cylinder receiving position 3610.

[0032] The contouring conveyor mechanism 30 also includes a drive flexible shaft 310, a flexible shaft motor 320, three contouring belts 330, three drive pulleys 340, and three driven pulleys 350.

[0033] The driving pulley 340 and driven pulley 350 are mounted in the belt receiving position 3620 via the roller frame 370, and the contour belt 330 is mounted on the driving pulley 340 and driven pulley 350. The spindle inner cylinder 10 is mounted in the inner cylinder receiving position 3610 and is slidably supported by the three contour belts 330. The flexible shaft motor 320 is mounted on the base 3630 and is driven by the flexible shaft 310, which is connected to the three driving pulleys 340.

[0034] To achieve high-efficiency drive of the winding drum, the contour belt 330 has a cross-sectional structure that matches the curvature of the winding drum.

[0035] When the flexible shaft motor 320 starts, it can drive the flexible shaft 310 to simultaneously drive the three contour belts 330 to provide driving force for the winding drum to be conveyed and the drum to be rounded.

[0036] Principle and effect description: The opening of the winding spool is placed on the head 110 of the inner cylinder 10 of the mandrel and the winding spool contacts the contour belt 330; the contour belt 330 drives the winding spool into the space between the contour belt 330 and the rollers of the mandrel roller assembly 20 and conveys it forward along the mandrel roller assembly 20; at the same time, the winding spool rotates along the spiral direction of the rollers; the contour belt 330 and the mandrel roller assembly 20 synchronously complete the conveying and rounding work of the winding spool.

[0037] Therefore, the bullet-shaped mandrel device for automatic sleeves of wire drawing machines provided in this application helps improve the efficiency of loading the bobbin by synchronously conveying and rounding the bobbin; it helps avoid localized long-term stress on the bobbin by synchronously rotating the bobbin; and it helps avoid damage to the bobbin by using a contour belt to provide the driving force for conveying and rounding.

[0038] The technical solutions and effects of this application have been described in detail above with reference to the accompanying drawings and specific embodiments. It should be noted that those skilled in the art can develop other embodiments based on this. Any simple modifications and equivalent substitutions that do not depart from the innovative concept of this application are covered by this application and fall within the protection scope of this patent.

Claims

1. A bullet-shaped mandrel device for an automatic sleeve in a wire drawing machine, characterized in that: Includes mandrel inner cylinder (10) and mandrel roller assembly (20); The mandrel roller assembly (20) is mounted on the mandrel inner cylinder (10).

2. The bullet-shaped mandrel device for an automatic sleeve in a wire drawing machine according to claim 1, characterized in that: The mandrel roller assembly (20) includes several rollers; Several of the rollers are arranged in a spiral shape on the inner cylinder (10) of the mandrel.

3. The bullet-shaped mandrel device for an automatic sleeve in a wire drawing machine according to claim 2, characterized in that: The spindle roller assembly (20) is also provided with a spiral roller shaft; Several of the rollers are arranged on the helical roller shaft.

4. The bullet-shaped mandrel device for an automatic sleeve in a wire drawing machine according to claim 1, characterized in that: The mandrel inner cylinder (10) includes a cylinder head (110), a cylinder body (120), and a cylinder seat (130).

5. The bullet-shaped mandrel device for an automatic sleeve in a wire drawing machine according to claim 4, characterized in that: The cylinder head (110) has a conical structure or a flat conical mechanism.

6. The bullet-shaped mandrel device for an automatic sleeve in a wire drawing machine according to claim 1, characterized in that: The bullet-shaped mandrel device for automatic sleeves of wire drawing machines also includes a contour conveying mechanism (30). The contouring conveying mechanism (30) includes a drive flexible shaft (310), a flexible shaft motor (320), several contouring belts (330), several drive pulleys (340), and several driven pulleys (350). The contour belt (330) is mounted on the drive wheel (340) and the driven wheel (350), the drive flexible shaft (310) is connected to the drive wheel (340), and the flexible shaft motor (320) is connected to the drive flexible shaft (310).

7. The bullet-shaped mandrel device for an automatic sleeve in a wire drawing machine according to claim 6, characterized in that: The contouring conveying mechanism (30) also includes a support frame (360); The driving wheel (340) and the driven wheel (350) are mounted on the support frame (360).

8. The bullet-shaped mandrel device for an automatic sleeve in a wire drawing machine according to claim 7, characterized in that: The support frame (360) is provided with an inner cylinder receiving position (3610), and a plurality of belt receiving positions (3620) are evenly arranged around the inner cylinder receiving position (3610). The driving wheel (340) and driven wheel (350) are arranged in the belt receiving position (3620) via the roller frame (370), and the mandrel inner cylinder (10) is arranged in the inner cylinder receiving position (3610) and is slidably supported by the contour belt (330).

9. The bullet-shaped mandrel device for an automatic sleeve in a wire drawing machine according to claim 7, characterized in that: The support frame (360) also includes a base (3630); The flexible shaft motor (320) is mounted on the base (3630).

10. The bullet-shaped mandrel device for an automatic sleeve in a wire drawing machine according to claim 6, characterized in that: The contoured belt (330) has a cross-sectional structure that matches the curvature of the winding drum.

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