Telescopic claw type external upper head changing mechanism with traction and cutting device

Abstract

The utility model relates to a telescopic claw type external upper head changing mechanism with a traction device and a cutting device, which belongs to the technical field of wire drawing equipment and comprises a wire drawing rack, a working machine head and a standby machine head are arranged at the front end of the wire drawing rack, a cylinder changing turntable is arranged between the working machine head and the wire drawing rack, and a cylinder changing turntable is arranged between the standby machine head and the wire drawing rack. The front end of the working machine head is provided with an external upper head changing assembly which is in separated contact with the working machine head, and the external upper head changing assembly is fixed on the ground. The waste yarn recycling device has the characteristics of simple structure, high working efficiency, high waste yarn recycling value, capability of being matched with upgrading of various wire drawing machines, time saving and labor saving. The problems that in the wire drawing process, creeling yarn and top yarn must be manually cut and processed on site, and a huge existing wire drawing machine needs to be upgraded are solved. The automatic production operation of unattended waste yarn cutting treatment is achieved, the overall performance and efficiency of an existing wire drawing machine are improved, and the residual value of waste yarn is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of wire drawing equipment, in particular to a telescopic claw type external upper head changing mechanism with a traction and cutting device. Background Art

[0002] As a composite reinforcing material, glass fiber has a wide range of applications and varieties. It can be directly drawn into cylindrical yarn balls through a wire drawing machine, and drawn into horse-shaped yarn balls through a wire cake drawing machine. Shaped yarn balls, etc.

[0003] In the current glass fiber drawing production, the drawing machine head loading and barrel changing process involves the two machine heads with their own waste yarn loading rings to complete the head changing work. This will cause wool yarn splashing, affecting the quality and environment. The amount of waste yarn is also large and needs to be manually cut, cleaned and removed. These waste yarns and wool yarns are difficult to handle. In order to solve the problem of how to improve the utilization value of waste yarn and unmanned automation.

[0004] Based on the Chinese patent "Wire drawing machine capable of breaking yarn ball connection and assisting head changing and its control method" applied by our company, application number 2023115908687, we have carried out upgrades and innovations to allow the head loading, bobbin changing and slow pulling processes to be completed externally, so as to match the upgrading of various wire drawing machines and improve efficiency and utilization value. Utility Model Content

[0005] The utility model mainly solves the deficiencies existing in the prior art and provides a telescopic claw type external upper head changing mechanism with a traction and cutting device, which has the characteristics of simple structure, high working efficiency, high value of waste yarn recycling, matching various wire drawing machine upgrades and saving time and labor. It solves the problem of having to manually cut and process the yarn change and the upper head yarn on site during the wire drawing process, and the problem of upgrading the huge existing wire drawing machines. It realizes the automated production operation of waste yarn cutting and processing without human participation, improves the overall performance and efficiency of existing wire drawing machines, and increases the residual value of waste yarn.

[0006] The above technical problems of the utility model are mainly solved by the following technical solutions:

[0007] A telescopic claw type external upper head changing mechanism with a traction and cutting device comprises a wire drawing frame, a working machine head and a spare machine head are arranged at the front end of the wire drawing frame, a barrel changing turntable is arranged between the working machine head and the wire drawing frame, and between the spare machine head and the wire drawing frame, an external upper head changing assembly is arranged at the front end of the working machine head in separate contact with the working machine head, and the external upper head changing assembly is fixed on the ground.

[0008] Preferably, the external upper head changing assembly comprises an upper head changing frame, a telescopic wheel which is in separate contact with the working head is provided between the upper portion of the upper head changing frame and the working head, a plurality of telescopic claws which are plugged and fixedly connected to the telescopic wheel are provided on the outer circle of the telescopic wheel, and a yarn pushing block which is integrated with the telescopic wheel is provided between the two telescopic claws.

[0009] Preferably, the telescopic claws are composed of toothed telescopic claws and smooth telescopic claws that are staggered and distributed in a ring shape.

[0010] Preferably, a rubber pressure wheel is provided at the lower end of the telescopic rotating wheel, and a pressure wheel cylinder is provided between the rubber pressure wheel and the upper head-changing frame.

[0011] Preferably, a pair of slow-pulling rollers driven by toothed meshing are provided below the rubber pressure wheel, and a slow-pulling motor is provided between one of the slow-pulling rollers and the upper head-changing frame.

[0012] Preferably, a cutting assembly is provided between the external upper head-changing assembly and the spare machine head and is fixedly connected to the external upper head-changing assembly with screws, and the cutting assembly is movably contacted with the telescopic rotating wheel to realize yarn cutting.

[0013] Preferably, the cutting assembly comprises a cutting disc, a cutting motor which is plug-and-engage and fixedly connected to the cutting disc by a transmission shaft is provided at the rear end of the cutting disc, and a cutting cylinder is provided between the lower end of the cutting motor and the upper head-changing frame.

[0014] Preferably, a wire pusher is provided above the working head, and a wire arranger is provided at the rear end of the working head.

[0015] The utility model can achieve the following effects:

[0016] The utility model provides a telescopic claw type external upper head changing mechanism with a traction and cutting device. Compared with the prior art, the improved structural design abandons the traditional machine head waste yarn upper wire ring, and replaces it with an external upper head changing process, which is cleverly arranged on the outside of the working machine head, waiting for the yarn to stop and return to the working machine head. It has the characteristics of simple structure, high working efficiency, high waste yarn recycling value, matching various wire drawing machine upgrades and saving time and labor. It solves the problem of having to manually cut and process the changing of bobbin yarn and the upper yarn on site during the wire drawing process, and the problem of upgrading the huge existing wire drawing machines. It realizes the automated production operation of unmanned waste yarn cutting and processing, improves the overall performance and efficiency of existing wire drawing machines, and enhances the residual value of waste yarn. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2It is a structural schematic diagram of the utility model when the head is put on or the barrel is changed.

[0019] Figure 3 It is a structural schematic diagram of the wire drawing and yarn cutting in the utility model.

[0020] Figure 4 It is a schematic structural diagram of the utility model when the rotating wheel is opened when the head is raised.

[0021] Figure 5 It is a structural schematic diagram of the utility model in which the retractable rotating wheel starts the yarn winding when the yarn is put on.

[0022] Figure 6 The utility model is a structural schematic diagram when the upper head is changed and the yarn is cut.

[0023] Figure 7 It is a structural schematic diagram after completing one upper head change in the utility model.

[0024] In the figure: wire drawing machine frame 1, working machine head 2, wire pusher 3, external upper head changing assembly 4, wire arranger 5, cutting assembly 6, spare machine head 7, drum changing turntable 8, rubber pressure wheel 9, slow pulling roller 10, slow pulling motor 11, upper head changing frame 12, telescopic turntable 13, telescopic claw 14, upper head changing motor 15, yarn pushing block 16, toothed telescopic claw 17, smooth telescopic claw 18, cutter motor 19, cutter disc 20, cutting cylinder 21, pressure wheel cylinder 22. DETAILED DESCRIPTION

[0025] The technical solution of the utility model is further specifically described below through embodiments and in conjunction with the accompanying drawings.

[0026] Example: Figure 1-7 As shown, a telescopic claw type external upper head changing mechanism with traction and cutting device includes a wire drawing frame 1, a working head 2 and a spare head 7 are provided at the front end of the wire drawing frame 1, a barrel changing turntable 8 is provided between the working head 2 and the wire drawing frame 1, and between the spare head 7 and the wire drawing frame 1, a wire pusher 3 is provided above the working head 2, and a wire arranging device 5 is provided at the rear end of the working head 2. An external upper head changing assembly 4 is provided at the front end of the working head 2, which is in separate contact with the working head 2, and the external upper head changing assembly 4 is fixed on the ground. A cutting assembly 6 is provided between the external upper head changing assembly 4 and the spare head 7, and is screw-connected and fixed to the external upper head changing assembly 4. The cutting assembly 6 is in active contact with the telescopic rotating wheel 13 to realize yarn cutting. The cutting assembly 6 includes a cutting disc 20, and a cutting motor 19 is provided at the rear end of the cutting disc 20, which is plug-in-connected and fixed with the cutting disc 20 in a transmission shaft manner, and a cutting cylinder 21 is provided between the lower end of the cutting motor 19 and the upper head changing frame 12.

[0027] The external upper head-changing assembly 4 includes an upper head-changing frame 12, and a telescopic rotating wheel 13 in separate contact with the working head 2 is provided between the upper part of the upper head-changing frame 12 and the working head 2. Twelve telescopic claws 14 are provided on the outer circle of the telescopic rotating wheel 13, which are plugged and connected to the telescopic rotating wheel 13. The telescopic claws 14 are composed of toothed telescopic claws 17 and smooth telescopic claws 18 that are staggered and distributed in an annular manner. A yarn pushing block 16 that is integrated with the telescopic rotating wheel 13 is provided between the two telescopic claws 14. A rubber pressure wheel 9 is provided at the lower end of the telescopic rotating wheel 13, and a pressure wheel cylinder 22 is provided between the rubber pressure wheel 9 and the upper head-changing frame 12. A pair of slow pull rollers 10 driven by toothed meshing are provided below the rubber pressure wheel 9, and a slow pull motor 11 is provided between one of the slow pull rollers 10 and the upper head-changing frame 12.

[0028] Working principle: The first step is as follows Figure 4 As shown in the upper head, the telescopic wheel 13 is opened and the slow pull roller 10 is pulled and started; the second step is as follows Figure 5 As shown in the figure, when the head is put on, the retractable wheel 13 starts winding the yarn, and the rubber pressure wheel 9 presses the yarn. After the head is put on or the drum is changed, the cutting knife disc 20 cuts the yarn. During the process, the head and tail yarns are controlled by the rubber pressure wheel 9 to prevent them from flying; the third step is as follows Figure 2 The external upper head changing assembly 4 extends out and engages with the working machine head 2 to synchronously perform the head or barrel changing process; the fourth step is as follows Figure 3 After the head or barrel is replaced, the external head replacement assembly 4 leaves the working head 2 for normal wire drawing, and the cutter disc 20 starts to cut the yarn; the fifth step is as shown in FIG. Figure 6 After the upper head change is completed, the external upper head change assembly 4 is separated from the working machine head 2, and the cutter is started to cut the connected yarn. When the upper head or the drum change is completed, the external upper head change assembly 4 will stop. If it is in the process of drum change, the external upper head change assembly 4 will continue to pull the yarn to run; the sixth step is as follows Figure 7 After the upper head change is completed, the telescopic claw 14 is retracted, and the yarn pushing mechanism 16 pushes the yarn out, completing the upper head change work once; Figure 1 After the working machine head 2 and the standby machine head 7 have completed the bobbin changing and yarn threading, the next yarn ball drawing operation is carried out.

[0029] In summary, the telescopic claw-type external upper head-changing mechanism with traction and cutting device has an improved structural design that abandons the traditional head waste yarn upper wire ring and replaces it with an external upper head-changing process, which is cleverly set outside the working head, waiting for the yarn to stop and return to the working head. It has the characteristics of simple structure, high working efficiency, high waste yarn recycling value, matching various wire drawing machine upgrades and saving time and effort. It solves the problem of having to manually cut and process the changing of bobbin yarn and the upper yarn on site during the wire drawing process, and the problem of upgrading the huge existing wire drawing machines. It realizes the automated production operation of unmanned waste yarn cutting and processing, improves the overall performance and efficiency of existing wire drawing machines, and enhances the residual value of waste yarn.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numerals in the claims should not be regarded as limiting the claims involved.

[0031] In summary, the above description is only a specific embodiment of the present invention, but the structural features of the present invention are not limited thereto. Any changes or modifications made by any technician in the field of the present invention are included in the patent scope of the present invention.

Claims

1. A telescopic claw type external upper head changing mechanism with traction and cutting device, characterized in that: The invention comprises a wire drawing frame (1), wherein a working machine head (2) and a spare machine head (7) are arranged at the front end of the wire drawing frame (1), a barrel changing turntable (8) is arranged between the working machine head (2) and the wire drawing frame (1), and between the spare machine head (7) and the wire drawing frame (1), and an external upper head changing assembly (4) which is in separate contact with the working machine head (2) is arranged at the front end of the working machine head (2), and the external upper head changing assembly (4) is fixed on the ground.

2. A telescopic claw type external upper head changing mechanism with traction and cutting device according to claim 1, characterized in that: The external upper head-changing assembly (4) comprises an upper head-changing frame (12); a telescopic rotating wheel (13) which is in separate contact with the working head (2) is arranged between the upper part of the upper head-changing frame (12) and the working head (2); a plurality of telescopic claws (14) which are plugged and connected to the telescopic rotating wheel (13) and fixed are arranged on the outer circle of the telescopic rotating wheel (13); and a yarn pushing block (16) which is integrated with the telescopic rotating wheel (13) is arranged between the two telescopic claws (14).

3. A telescopic claw type external upper head changing mechanism with traction and cutting device according to claim 2, characterized in that: The telescopic claws (14) are composed of toothed telescopic claws (17) and smooth telescopic claws (18) which are arranged in an annular manner and staggered with each other.

4. A telescopic claw type external upper head changing mechanism with traction and cutting device according to claim 2, characterized in that: A rubber pressure wheel (9) is provided at the lower end of the telescopic rotating wheel (13), and a pressure wheel cylinder (22) is provided between the rubber pressure wheel (9) and the upper head changing frame (12).

5. A telescopic claw type external upper head changing mechanism with traction and cutting device according to claim 4, characterized in that: A pair of slow-pulling rollers (10) driven by toothed meshing are arranged below the rubber pressure wheel (9), and a slow-pulling motor (11) is arranged between one of the slow-pulling rollers (10) and the upper head-changing frame (12).

6. A telescopic claw type external upper head changing mechanism with traction and cutting device according to claim 2, characterized in that: A cutting assembly (6) is provided between the external upper head changing assembly (4) and the spare machine head (7) and is screw-connected to the external upper head changing assembly (4). The cutting assembly (6) is movably contacted with the telescopic rotating wheel (13) to realize yarn cutting.

7. A telescopic claw type external upper head changing mechanism with traction and cutting device according to claim 6, characterized in that: The cutting assembly (6) comprises a cutting disc (20), the rear end of which is provided with a cutting motor (19) which is plug-in-connected and fixed to the cutting disc (20) via a transmission shaft, and a cutting cylinder (21) is provided between the lower end of the cutting motor (19) and the upper head-changing frame (12).

8. The telescopic claw type external upper head changing mechanism with traction and cutting device according to claim 1, characterized in that: A wire pusher (3) is provided above the working machine head (2), and a wire arrangement device (5) is provided at the rear end of the working machine head (2).

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