Automatic yarn feeding mechanism

Abstract

The utility model provides an automatic yarn feeding mechanism, which is characterized in that a global track lifting section is arranged at the top of a frame of a twisting machine and is connected with a lifting translation assembly, so that the global track lifting section is close to a yarn cylinder frame of the twisting machine; and a push rod is also arranged and is used for pushing the protofilament barrel of the lifting appliance which moves to the lifting section of the global track to the filament barrel frame. The local track lifting section is used for being connected with a global track, a flexible chain link is arranged on the global track, a plurality of lifting appliances are arranged on the flexible chain link, and the lifting appliances are used for loading precursor fiber cylinders. By adopting the structure of the global track lifting section and the lifting translation assembly, the glass fiber twisting machine can be assisted to transfer a protofilament cylinder to a filament cylinder frame of the glass fiber twisting machine. And automatic yarn feeding on the glass fiber twisting machine is completed. The yarn feeding device solves the yarn feeding problem of a glass fiber yarn twisting factory, greatly reduces the labor intensity of yarn feeding, is compact in structure and efficient in yarn feeding operation, and improves the yarn twisting production efficiency.

Description

Technical Field

[0001] The utility model relates to the field of glass fiber twisting machines, in particular to an automatic yarn feeding mechanism. Background Art

[0002] The existing fiberglass twisting equipment is basically manual yarn feeding, which has high labor intensity, long yarn feeding time and low efficiency. In recent years, with the expansion of the fiberglass market, large packages and super-long vehicles have gradually become a trend, which has further increased the labor intensity and yarn feeding time. At the same time, enterprises are also faced with the problem of difficulty and high labor cost in hiring workers.

[0003] There are many forms of existing automatic yarn feeding devices, most of which use composite robots or truss manipulators to complete the yarn feeding of a single spindle or a single machine section on the whole machine. The structure is complex and the yarn feeding efficiency is low. Due to the large number of glass fiber twisting machines, limited space, and the existence of many special configurations such as hot air frames, the field of automatic yarn feeding has not yet formed a batch matching. Chinese patent document CN113548544A records that the automatic yarn feeding system of the original yarn drum of the glass fiber twisting machine adopts the structure of a truss manipulator to complete the yarn feeding of a single machine section. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an automatic yarn feeding mechanism, which can realize the automatic yarn feeding operation of the glass fiber twisting machine, has a compact structure, occupies a small space, can meet the needs of efficient production, and greatly reduce the labor intensity of manual yarn feeding.

[0005] In order to solve the above technical problems, the technical solution of the utility model is: an automatic yarn feeding mechanism, a global track lifting section is provided on the top of the frame of the twisting machine, and the global track lifting section is connected to the lifting and translation assembly so that the global track lifting section is close to the yarn tube frame of the twisting machine;

[0006] A push rod is also provided for pushing the raw silk drum of the hanger moved to the global track lifting section to the silk drum rack.

[0007] In a preferred solution, the global track lifting section is used to connect with the global track, a flexible chain link is provided on the global track, a plurality of hoists are provided on the flexible chain link, and the hoists are used to load the raw silk tube.

[0008] In the preferred solution, a conveying motor is provided at a certain distance on the global track and the global track lifting section, the flexible chain link is slidingly connected to the global track and the global track lifting section, the conveying motor is connected to the travel drive wheel, and the travel drive wheel is connected to the flexible chain link to drive the flexible chain link to move along the global track.

[0009] In a preferred solution, the spacing between the conveying motors is smaller than the length of the flexible chain links;

[0010] The global track and the global track lifting section are hanging rails with an opening at the bottom. The bottom of the hanging rail is provided with a lip bent inwards. The flexible chain link is connected to the hanging wheel, and the hanging wheel is located inside the hanging rail.

[0011] A walking driven wheel is also arranged on the other side opposite to the walking driving wheel.

[0012] In the preferred solution, the global track lifting section is connected to the hanging shaft of the lifting and translation assembly through a traction belt, and the global track lifting section is also slidably connected to the vertical slide rail fixed to the frame, the traction belt is wound on the hanging shaft, and the hanging shaft is connected to the lifting motor to drive the hanging shaft to rotate, so as to realize the lifting and lowering of the global track lifting section;

[0013] The lifting and translation assembly is also provided with a synchronous belt, which is connected to the global track lifting section. The synchronous belt is also connected to the translation motor of the lifting and translation assembly to drive the global track lifting section to translate along the horizontal guide rail close to the wire drum frame.

[0014] In a preferred solution, the lifting and translation assembly is further provided with a push rod guide rail, the push rod is slidably mounted on the push rod guide rail, and is pushed to move by an electric or pneumatic push rod.

[0015] In a preferred embodiment, the push rods are connected to each other via a connecting rod, and the electric or pneumatic push rod is connected to the connecting rod.

[0016] In the preferred solution, a detection sensor is provided at the head end of the global track lifting section to detect the position of the flexible link;

[0017] The detection sensor is a photoelectric sensor, and a light-transmitting position is provided on the flexible chain link to provide a photoelectric sensor positioning signal;

[0018] Alternatively, the detection sensor is a Hall sensor, and a metal sheet is provided on the flexible chain link to provide a Hall sensor positioning signal.

[0019] In a preferred solution, a limit seat is further provided on the lifting and translation assembly, and the limit seat is used to limit the top surface and side surfaces of the global track lifting section so that the global track lifting section is aligned with the global track.

[0020] In a preferred solution, the limit seat is provided with an inclined bottom surface, and the global track lifting section is provided with a corresponding inclined top surface, and the bottom surface and the top surface are in tight contact, so that the global track lifting section is pressed against the side wall of the limit seat.

[0021] The utility model provides an automatic yarn feeding mechanism, which can assist a glass fiber twisting machine to transfer a raw yarn tube to a yarn tube frame of the glass fiber twisting machine by adopting a structure of a global track lifting section and a lifting and translation assembly, thereby completing automatic yarn feeding on the glass fiber twisting machine. The utility model solves the yarn feeding problem of a glass fiber twisting factory, greatly reduces the labor intensity of yarn feeding, has a compact structure, is efficient in yarn feeding operation, and improves the yarn twisting production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0023] Figure 1 It is a structural schematic diagram of the utility model.

[0024] Figure 2 It is a schematic diagram of the main structure of the glass fiber twisting machine of the utility model.

[0025] Figure 3 It is a side structural schematic diagram of the glass fiber twisting machine of the utility model.

[0026] Figure 4 It is a partially enlarged schematic diagram of the limit seat of the utility model.

[0027] In the figure: twisting machine 1, frame 2, silk reel frame 3, raw silk reel 4, hanger 5, horizontal guide rail 6, synchronous belt 7, lifting motor 8, traction belt 9, global track 10, flexible chain link 11, conveying motor 12, vertical slide rail 13, push rod 14, translation motor 15, travel driving wheel 16, global track lifting section 17, top surface 171, travel driven wheel 18, hanging wheel 19, hanging shaft 20, push rod guide rail 21, lifting and translation assembly 22, limit seat 23, connecting rod 24. DETAILED DESCRIPTION

[0028] Embodiment 1:

[0029] like Figures 1 to 3 In an automatic yarn feeding mechanism, a global track lifting section 17 is provided on the top of a frame 2 of a twisting machine 1, and the global track lifting section 17 is connected to a lifting and translation assembly 22, so that the global track lifting section 17 is close to a yarn tube frame 3 of the twisting machine 1;

[0030] A push rod 14 is also provided for pushing the raw silk tube 4 of the hanger 5 moved to the global track lifting section 17 to the silk tube rack 3. With this structure, when the hanger 5 transported from the global track 10 enters the global track lifting section 17 and reaches the position corresponding to the silk tube rack 3, the lifting and translation assembly 22 is actuated to align the raw silk tube 4 on the hanger 5 with the silk tube rack 3 through lifting and translation movements, and then the push rod 14 is actuated to push the raw silk tube 4 onto the silk tube rack 3, thereby realizing reliable transportation of the raw silk tube 4.

[0031] In a preferred solution, the global track lifting section 17 is used to connect with the global track 10 , and a flexible chain link 11 is provided on the global track 10 . A plurality of hangers 5 are provided on the flexible chain link 11 , and the hangers 5 are used to load the raw silk tube 4 .

[0032] In the preferred solution, a conveying motor 12 is provided at a distance between the global track 10 and the global track lifting section 17, the flexible chain link 11 is slidingly connected to the global track 10 and the global track lifting section 17, the conveying motor 12 is connected to the travel drive wheel 16, and the travel drive wheel 16 is connected to the flexible chain link 11 to drive the flexible chain link 11 to move along the global track 10.

[0033] In a preferred solution, the spacing between the conveying motors 12 is smaller than the length of the flexible chain link 11;

[0034] The global rail 10 and the global rail lifting section 17 are hanging rails with an opening at the bottom. The bottom of the hanging rail is provided with a lip bent inward. The flexible chain link 11 is connected to the hanging wheel 19, and the hanging wheel 19 is located in the hanging rail; the flexible chain link 11 adopts a chain structure, and the length of a single link is set according to the horizontal spacing between the wire drum racks 3. Multiple links are combined together to form a flexible chain link 11, preferably as Figure 1 , 3 In the figure, a single station of the twisting machine 1 is provided with three rows of yarn drum racks 3, so three or six hangers 5 are also provided on the flexible chain link 11 accordingly.

[0035] A traveling driven wheel 18 is further provided on the other side opposite to the traveling driving wheel 16 .

[0036] The preferred solution is Figure 2~3 In the embodiment, the global track lifting section 17 is connected to the hanging shaft 20 of the lifting and translation assembly 22 through the traction belt 9, and the global track lifting section 17 is also slidably connected to the vertical slide rail 13 fixed on the frame 2. The traction belt 9 is wound on the hanging shaft 20, and the hanging shaft 20 is connected to the lifting motor 8 to drive the hanging shaft 20 to rotate, so as to realize the lifting and lowering of the global track lifting section 17;

[0037] The lifting and translation assembly 22 is also provided with a synchronous belt 7, which is connected to the global track lifting section 17. The synchronous belt 7 is also connected to the translation motor 15 of the lifting and translation assembly 22 to drive the global track lifting section 17 to translate along the horizontal guide rail 6 close to the wire drum frame 3.

[0038] The preferred solution is Figure 3 In the embodiment, a push rod guide rail 21 is also provided in the lifting and translation assembly 22, and the push rod 14 is slidably mounted on the push rod guide rail 21, and the push rod 14 is pushed to move by an electric or pneumatic push rod.

[0039] The preferred solution is Figure 2In the embodiment, the push rods 14 are connected to each other through a connecting rod 24, and the electric or pneumatic push rod is connected to the connecting rod 24. When in use, when the flexible chain link 11 enters the current global track lifting section 17, the traction belt 9 descends, so that the global track lifting section 17 is lowered as a whole along the vertical slide rail 13 to a position lower than the target wire drum rack 3, and the lifting and translation assembly 22 drives the synchronous belt 7 to move, so that the global track lifting section 17 moves horizontally along the horizontal guide rail 6 to approach the wire drum rack 3, and then the push rod 14 is actuated to push the original wire drum 4 onto the wire drum rack 3.

[0040] Embodiment 2:

[0041] The preferred solution is Figure 1 In the figure, a detection sensor is provided at the head end of the global track lifting section 17 to detect the position of the flexible link 11; the detection sensor is not shown in the figure.

[0042] The detection sensor is a photoelectric sensor, and a light-transmitting position is provided on the flexible link 11 to provide a photoelectric sensor positioning signal;

[0043] Alternatively, the detection sensor is a Hall sensor, and a metal sheet is provided on the flexible link 11 to provide a Hall sensor positioning signal.

[0044] The preferred solution is Figure 4 In the figure, a limit seat 23 is also provided in the lifting and translation assembly 22, and the limit seat 23 is used to limit the top surface and the side surface of the global track lifting section 17 so that the global track lifting section 17 is aligned with the global track 10.

[0045] The preferred solution is Figure 4 In the embodiment, the limit seat 23 is provided with an inclined bottom surface, and the global track lifting section 17 is provided with a corresponding inclined top surface 171, and the bottom surface and the top surface 171 are in tight contact, so that the global track lifting section 17 is pressed against the side wall of the limit seat 23. With this structure, the global track lifting section 17 is accurately positioned, which facilitates the hanging wheel 19 at the top of the flexible chain link 11 to accurately enter the global track lifting section 17.

[0046] In a preferred solution, the lifting motor 8 adopts constant torque and angle feedback control, and adopts angle feedback control when the sling belt 9 is lowered, and adopts constant torque control when the sling belt 9 is rolled up.

[0047] Embodiment 3:

[0048] On the basis of Examples 1 and 2, Figure 1In the figure, a global automatic yarn loading system using the above-mentioned automatic yarn loading device includes a global track 10, on which are provided a plurality of hangers 5 that travel along the global track 10, and the global track 10 passes through at least one yarn loading station for loading the raw silk tube 4 on the hanger 5; the yarn loading station can be manual or automatic yarn loading by a robot arm, and the yarn loading station is not shown in the figure.

[0049] A global track lifting section 17 is provided at the position where the global track 10 passes through the twisting machine 1, and the global track lifting section 17 is connected to the lifting and translating assembly 22 so that the global track lifting section 17 is close to the silk reel frame 3 of the twisting machine 1; the push rod 14 on the lifting and translating assembly 22 pushes the original silk reel 4 onto the silk reel frame 3.

[0050] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limitations of the present invention. The embodiments and features in the embodiments of the present application can be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. An automatic yarn feeding mechanism, characterized in that: A global track lifting section (17) is provided on the top of a frame (2) of the twisting machine (1), and the global track lifting section (17) is connected to a lifting and translation assembly (22) so that the global track lifting section (17) is close to a yarn tube frame (3) of the twisting machine (1); A push rod (14) is also provided for pushing the raw silk tube (4) of the hanger (5) moved to the global track lifting section (17) to the silk tube rack (3).

2. The automatic yarn feeding mechanism according to claim 1 is characterized in that: The global track lifting section (17) is used to connect with the global track (10). The global track (10) is provided with a flexible chain link (11). The flexible chain link (11) is provided with a plurality of hangers (5). The hangers (5) are used to load the raw silk tube (4).

3. The automatic yarn feeding mechanism according to claim 2 is characterized in that: A conveying motor (12) is provided at a distance on the global track (10) and the global track lifting section (17); a flexible chain link (11) is slidably connected to the global track (10) and the global track lifting section (17); the conveying motor (12) is connected to a travel drive wheel (16); and the travel drive wheel (16) is connected to the flexible chain link (11) to drive the flexible chain link (11) to travel along the global track (10).

4. The automatic yarn feeding mechanism according to claim 3 is characterized in that: The spacing between the conveying motors (12) is smaller than the length of the flexible chain links (11); The global rail (10) and the global rail lifting section (17) are hanging rails with an opening at the bottom, the bottom of the hanging rail is provided with a lip portion bent inwardly, the flexible chain link (11) is connected to the hanging wheel (19), and the hanging wheel (19) is located inside the hanging rail; A traveling driven wheel (18) is also provided on the other side opposite to the traveling driving wheel (16).

5. The automatic yarn feeding mechanism according to claim 2 is characterized in that: The global track lifting section (17) is connected to the suspension shaft (20) of the lifting and translation assembly (22) through a traction belt (9). The global track lifting section (17) is also slidably connected to a vertical slide rail (13) fixed to the frame (2). The traction belt (9) is wound around the suspension shaft (20). The suspension shaft (20) is connected to a lifting motor (8) to drive the suspension shaft (20) to rotate, thereby realizing the lifting and lowering of the global track lifting section (17). The lifting and translation assembly (22) is also provided with a synchronous belt (7), which is connected to the global track lifting section (17). The synchronous belt (7) is also connected to the translation motor (15) of the lifting and translation assembly (22) to drive the global track lifting section (17) to translate along the horizontal guide rail (6) to approach the wire drum frame (3).

6. The automatic yarn feeding mechanism according to claim 5 is characterized in that: The lifting and translation assembly (22) is also provided with a push rod guide rail (21), on which the push rod (14) is slidably mounted, and the push rod (14) is pushed to move by an electric or pneumatic push rod.

7. The automatic yarn feeding mechanism according to claim 6 is characterized in that: The push rods (14) are connected to each other via a connecting rod (24), and the electric or pneumatic push rod is connected to the connecting rod (24).

8. The automatic yarn feeding mechanism according to claim 2 is characterized in that: A detection sensor is provided at the head end of the global track lifting section (17) to detect the position of the flexible chain link (11); The detection sensor is a photoelectric sensor, and a light-transmitting position is provided on the flexible chain link (11) to provide a photoelectric sensor positioning signal; Alternatively, the detection sensor is a Hall sensor, and a metal sheet is provided on the flexible chain link (11) to provide a Hall sensor positioning signal.

9. The automatic yarn feeding mechanism according to any one of claims 1 to 8, characterized in that: The lifting and translation assembly (22) is also provided with a limit seat (23), which is used to limit the top surface and side surfaces of the global track lifting section (17) so that the global track lifting section (17) is aligned with the global track (10).

10. The automatic yarn feeding mechanism according to claim 9 is characterized in that: The limit seat (23) is provided with an inclined bottom surface, and the global track lifting section (17) is provided with a correspondingly inclined top surface (171), and the bottom surface and the top surface (171) are in tight contact, so that the global track lifting section (17) is pressed against the side wall of the limit seat (23).

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