Yarn guide device for computerized flat knitting machine
The combination of mounting plate, adjustment plate, screw and stepper motor solves the problem of inconvenient yarn roller replacement in computerized flat knitting machines. Combined with pressure sensors and electric push rods, automatic detection and fixation of broken threads are achieved, simplifying the thread breakage processing process and improving work efficiency.
Patent Information
- Application Number
- CN202423040701.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-10
AI Technical Summary
The thread rack of existing computerized flat knitting machines is relatively high, which makes it difficult to replace the yarn rollers and to quickly find and introduce new threads when the threads break.
A combination of mounting plate, adjustment plate, screw and stepper motor is adopted, which is synchronously controlled by the frequency synchronizer to achieve height adjustment of the yarn guide assembly, facilitating the replacement of the yarn roller; combined with a pressure sensor, electric push rod and extrusion head, it automatically detects thread breakage and fixes the thread end.
It realizes the rapid replacement of yarn rollers and convenient processing of broken yarns, simplifies the operation process and improves work efficiency.
Smart Images

Figure CN223458497U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of flat knitting machine, especially to a yarn guide device for computer flat knitting machine. BACKGROUND
[0002] Flat knitting machine is short for flat knitting machine, belongs to one kind of flat knitting machine, generally refers to flat knitting machine, that is, the machine that adopts horizontal knitting needle bed to knit.
[0003] In the use process of the flat knitting machine, the operator places the yarn roll on the upper surface of the flat knitting machine body, and the yarn on the yarn roll is threaded through the thread rack on the flat knitting machine body. The existing thread rack is directly fixedly connected to the upper surface of the flat knitting machine body and has a high height. Once the thread breaks, it is not convenient for the operator to thread the yarn on the thread rack.
[0004] Therefore, it is necessary to provide a yarn guide device for computer flat knitting machine to solve the above technical problems. UTILITY MODEL CONTENTS
[0005] The utility model provides a yarn guide device for computer flat knitting machine, solves the problem in the prior art.
[0006] To solve the above technical problems, the utility model provides a yarn guide device for computer flat knitting machine, which comprises a flat knitting machine body, a mounting plate is arranged on the back surface of the flat knitting machine body, a screw rod is vertically movably installed on the top surface of the mounting plate, the screw rod is driven by a stepping motor, an adjusting plate is spirally connected to the outer surface of the screw rod, a threaded hole is formed through the surface of the adjusting plate, the threaded hole is spirally connected with the screw rod, a sand guide assembly is installed on the top surface of the adjusting plate, the mounting plate, the adjusting plate, the screw rod and the stepping motor are used in cooperation, so that the sand guide assembly is installed on the adjusting plate, the height position of the sand guide assembly can be adjusted, the staff can conveniently replace the yarn roll later, when the yarn roll needs to be replaced, the staff starts the two stepping motors synchronously through the same frequency device, then the stepping motor drives the screw rod to rotate, so that the threaded hole on the adjusting plate is spirally matched with the screw rod, then the adjusting plate is adjusted up and down on the screw rod, so that the adjusting plate moves the sand guide assembly to a position that can be touched by the staff, then the yarn roll on the limiting column is replaced, and then the original position is restored again. This mode is simple in operation and convenient for the staff to quickly replace the yarn roll of the flat knitting machine body.
[0007] Preferably, the sand guide assembly is internally provided with a support plate, the support plate is installed on the top surface of the adjusting plate, the top surface of the support plate is provided with a support disc, the surface of the support plate is provided with a horizontal plate, the top surface of the horizontal plate is provided with a sand guide ring, the first mounting frame is installed on the side surface of the support disc, the disc is installed in the first mounting frame, the pressure sensor is embedded on the side surface of the disc, the limiting column is vertically installed on the top surface of the support disc, the electric push rod is installed below the horizontal plate, the extrusion head is arranged on the output end of the electric push rod, the abutting plate is installed on one side of the bottom end surface of the horizontal plate, the cooperation of the pressure sensor, the electric push rod and the extrusion head facilitates the abutting and fixing of the thread after the sand is broken, so that the thread can be introduced into the body of the flat knitting machine again, when the yarn is normally conveyed into the body of the flat knitting machine, the yarn will cause pressure to the pressure sensor on the surface of the disc, at this time, the pressure value is certain, when the pressure suddenly becomes smaller or zero, it means that the yarn is broken, at this time, the pressure sensor transmits data to the controller, and then the controller starts the electric push rod, and then the electric push rod drives the extrusion head to extrude the yarn, so that the yarn is abutted on the abutting plate, and then the worker can introduce the thread into the body of the flat knitting machine again, which is simple in operation and convenient for finding and leading the broken thread.
[0008] Preferably, the top surface of the horizontal plate is vertically provided with a second mounting frame and a third mounting frame, and the transmission wheels are movably installed in the second mounting frame and the third mounting frame.
[0009] Preferably, the sand guide assembly is provided with a plurality of groups, and the plurality of groups of sand guide assemblies are installed at equal distances on the top surface of the adjusting plate.
[0010] Preferably, the screw is provided with two groups, the two groups of screws are symmetrically installed about the center line of the mounting plate, and the two groups of step motors are controlled by the same frequency device, the two groups of screws are provided to improve the stability of the up-down movement of the adjusting plate, and the same frequency device is provided to synchronously control the two groups of step motors.
[0011] Preferably, the controller is installed on the outer surface of the body of the flat knitting machine, and the controller is provided to control the electric elements in the equipment.
[0012] Compared with the related art, the yarn guide device for the computer flat knitting machine has the following beneficial effects:
[0013] Compared with the prior art, the yarn guide device for the computerized flat knitting machine has the mounting plate, the adjusting plate, the screw rod and the stepping motor, the yarn guide assembly is mounted on the adjusting plate, the height position of the yarn guide assembly can be adjusted, the yarn roller can be replaced by the staff, the two stepping motors are synchronously started by the same frequency device, then the screw rod is rotated by the stepping motor, the screw hole of the adjusting plate is screwed with the screw rod, then the adjusting plate is adjusted up and down on the screw rod, the yarn guide assembly is moved to the position that can be touched by the staff, then the yarn roller on the limiting column is replaced, and the device is restored to the original position, so that the yarn roller of the flat knitting machine body can be quickly replaced by the staff.
[0014] Compared with the prior art, the yarn guide device for the computerized flat knitting machine has the mounting plate, the adjusting plate, the screw rod and the stepping motor, the yarn guide assembly is mounted on the adjusting plate, the height position of the yarn guide assembly can be adjusted, the yarn roller can be replaced by the staff, the two stepping motors are synchronously started by the same frequency device, then the screw rod is rotated by the stepping motor, the screw hole of the adjusting plate is screwed with the screw rod, then the adjusting plate is adjusted up and down on the screw rod, the yarn guide assembly is moved to the position that can be touched by the staff, then the yarn roller on the limiting column is replaced, and the device is restored to the original position, so that the yarn roller of the flat knitting machine body can be quickly replaced by the staff.
[0015] The parts not involved in the device are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 A structure schematic view of the yarn guide device for the computerized flat knitting machine is provided.
[0017] Figure 2 A side view of the yarn guide device for the computerized flat knitting machine is provided.
[0018] Figure 3 An adjusting plate structure schematic view of the yarn guide device for the computerized flat knitting machine is provided.
[0019] Figure 4 A limiting column structure schematic view of the yarn guide device for the computerized flat knitting machine is provided.
[0020] Figure 5 A rubbing plate structure schematic view of the yarn guide device for the computerized flat knitting machine is provided.
[0021] Reference numerals in the drawings:
[0022] 1, the body of the machine; 2, the mounting plate; 3, the adjusting plate; 4, the stepping motor; 5, the controller; 6, the screw; 7, the support plate; 8, the threaded hole; 9, the support disc; 10, the limiting column; 11, the first mounting frame; 12, the pressure sensor; 13, the disc; 14, the transmission wheel; 15, the sand guide ring; 16, the second mounting frame; 17, the third mounting frame; 18, the cross plate; 19, the electric push rod; 20, the extrusion head; 21, the abutting plate. DETAILED DESCRIPTION
[0023] The utility model will be further described below in combination with the drawings and embodiments.
[0024] First embodiment
[0025] Please see Figures 1-5 A sand guide device for computer flat knitting machine, including the body of the machine 1, the back of the body of the machine 1 is provided with the mounting plate 2, the mounting plate 2 top surface vertical movable installation has the screw 6, the screw 6 is by the stepping motor 4 drive, the screw 6 outer surface spiral connection has the adjusting plate 3, the adjusting plate 3 surface is through the threaded hole 8, the threaded hole 8 is spiral connection with the screw 6, the adjusting plate 3 top surface is installed with sand guide assembly, through the cooperation of mounting plate 2, adjusting plate 3, screw 6, stepping motor 4, sand guide assembly is installed on adjusting plate 3, so that the height position of sand guide assembly can be adjusted, which facilitates subsequent replacement of the yarn roll by the staff, so that when the yarn roll needs to be replaced, the staff starts two stepping motors 4 synchronously through the transducer, then the stepping motor 4 drives the screw 6 to rotate, so that the threaded hole 8 on the adjusting plate 3 is spiral with it under the action of the screw 6, then the adjusting plate 3 is adjusted up and down on the screw 6, so that the adjusting plate 3 moves the sand guide assembly to the position that the staff can reach, then the yarn roll on the limiting column 10 is replaced, and then it is restored to the original position, which is simple in operation and convenient for the staff to quickly replace the yarn roll of the body of the machine 1.
[0026] The working principle of the sand guide device for computer flat knitting machine is as follows:
[0027] The yarn guide device for the computer flat knitting machine, when the yarn roller needs to be replaced, the staff synchronously starts the two stepping motors 4 through the same frequency device, then the stepping motor 4 drives the screw rod 6 to rotate, so that the screw hole 8 on the adjusting plate 3 is screwedly matched with the screw rod 6, then the adjusting plate 3 is adjusted up and down on the screw rod 6, so that the adjusting plate 3 moves the sand guide assembly to a position that can be touched by the staff, then the yarn roller on the limiting column 10 is replaced, and then the yarn roller is restored to the original position, the yarn roller of the flat knitting machine body 1 can be quickly replaced by the staff through the simple operation, the broken yarn end can be fixed by the cooperation of the pressure sensor 12, the electric push rod 19 and the extrusion head 20, so that the broken yarn end can be introduced into the flat knitting machine body 1 again, when the yarn is normally conveyed into the flat knitting machine body 1, the yarn end will cause the pressure sensor 12 on the surface of the disc 13 to have a pressure, at this time, the pressure value is certain, when the pressure suddenly becomes small or zero, it indicates that the yarn is broken, at this time, the pressure sensor 12 transmits data to the controller 5, then the controller 5 starts the electric push rod 19, then the electric push rod 19 drives the extrusion head 20 to extrude the yarn, so that the yarn end is abutted on the abutting plate 21, then the staff can introduce the yarn end into the flat knitting machine body 1 again, the broken yarn end can be found and the yarn can be introduced through the simple operation, and the staff can operate conveniently.
[0028] Compared with the related art, the yarn guide device for the computer flat knitting machine has the following beneficial effects:
[0029] The yarn guide device for the computer flat knitting machine, through the cooperation of the installation plate 2, the adjusting plate 3, the screw rod 6 and the stepping motor 4, the sand guide assembly is installed on the adjusting plate 3, so that the height position of the sand guide assembly can be adjusted, the replacement of the yarn roller by the staff is facilitated, when the yarn roller needs to be replaced, the staff starts the two stepping motors 4 synchronously through the same frequency device, then the stepping motor 4 drives the screw rod 6 to rotate, so that the screw hole 8 on the adjusting plate 3 is screwed with the screw rod 6, then the adjusting plate 3 is adjusted up and down on the screw rod 6, so that the adjusting plate 3 moves the sand guide assembly to a position that can be touched by the staff, then the yarn roller on the limiting column 10 is replaced, and then the original position is restored again, this way is simple in operation and facilitates the staff to quickly replace the yarn roller of the flat knitting machine body 1, through the cooperation of the pressure sensor 12, the electric push rod 19 and the extrusion head 20, the broken sand line head is fixed, so that it is convenient to be introduced into the flat knitting machine body 1 again, when the yarn is normally conveyed into the flat knitting machine body 1, the yarn will cause pressure to the pressure sensor 12 on the surface of the disc 13, at this time the pressure value is certain, when the pressure suddenly becomes small or zero, it means that the yarn is broken, at this time the pressure sensor 12 transmits data to the controller 5, then the controller 5 starts the electric push rod 19, then the electric push rod 19 drives the extrusion head 20 to extrude the yarn, so that it is in contact with the contact plate 21, then the staff introduces the yarn into the flat knitting machine body 1 again, this way is simple in operation, convenient for finding and leading the broken line, and convenient for the staff to operate.
[0030] Second embodiment
[0031] Please refer to Figures 1-5 , based on the first embodiment of the application, the second embodiment of the application provides another yarn guide device for the computer flat knitting machine. The second embodiment is only a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the separate implementation of the first embodiment.
[0032] On the basis of the first embodiment, refer to Figures 1-5The sand guide assembly is internally provided with a support plate 7 installed on the top surface of the adjusting plate 3, a support disc 9 is installed on the top surface of the support plate 7, a horizontal plate 18 is installed on the surface of the support plate 7, a sand guide ring 15 is penetrated and arranged on the top surface of the horizontal plate 18 close to the edge, a first mounting frame 11 is installed on the side surface of the support disc 9, a disc 13 is installed in the first mounting frame 11, a pressure sensor 12 is inlaidly installed on the side surface of the disc 13, a limiting column 10 is vertically installed on the top surface of the support disc 9, an electric push rod 19 is installed below the horizontal plate 18, an extrusion head 20 is arranged at the output end of the electric push rod 19, and a contact plate 21 is installed on the bottom end surface of the horizontal plate 18 on one side of the sand guide ring 15. Through the cooperation of the pressure sensor 12, the electric push rod 19 and the extrusion head 20, the broken sand line can be fixed by contact, so as to be introduced into the flat knitting machine body 1 again. When the yarn is normally conveyed into the flat knitting machine body 1, the yarn will cause pressure to the pressure sensor 12 on the surface of the disc 13. At this time, the pressure value is certain. When the pressure suddenly becomes small or zero, it means that the yarn is broken. At this time, the pressure sensor 12 transmits data to the controller 5, and then the controller 5 starts the electric push rod 19. Then the electric push rod 19 drives the extrusion head 20 to extrude the yarn, so that the yarn is in contact with the contact plate 21. Then the staff can introduce the yarn into the flat knitting machine body 1 again. This operation is simple, convenient for finding and leading the broken line, and convenient for the staff to operate.
[0033] On the basis of embodiment one, referring to Figures 1-4 A second mounting frame 16 and a third mounting frame 17 are vertically installed on the top surface of the horizontal plate 18, and the second mounting frame 16 and the third mounting frame 17 are movably provided with a conveying wheel 14.
[0034] On the basis of embodiment one, referring to Figure 1 The sand guide assembly is provided in multiple groups, and the multiple groups of sand guide assemblies are equidistantly installed on the top surface of the adjusting plate 3.
[0035] On the basis of embodiment one, referring to Figures 1-3 Two screw rods 6 are provided, and the two screw rods 6 are symmetrically installed about the center line of the mounting plate 2, and the two step motors 4 are controlled by the same frequency device. Through the arrangement of the two screw rods 6, the stability of the up-down movement of the adjusting plate 3 is improved, and through the arrangement of the same frequency device, the two step motors 4 are synchronously controlled.
[0036] On the basis of embodiment one, referring to Figure 1The controller 5 is arranged on the outer surface of the flat knitting machine body 1, which is convenient for controlling the electric elements in the equipment.
[0037] It should be noted that all kinds of components used in the present application are standard components that can be purchased from the market, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, and the mechanical, parts and electrical equipment adopt the conventional type in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and the electrical equipment is in communication with the external safe power supply, which will not be described in detail here.
[0038] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, is also included in the patent protection range of the present application.
Claims
1. A yarn guide device for a computerized flat knitting machine comprising a flat knitting machine body (1), characterized in that, The back surface of the flat knitting machine body (1) is provided with a mounting plate (2), the top surface of the mounting plate (2) is vertically movably provided with a screw rod (6), the screw rod (6) is driven by a stepping motor (4), the outer surface of the screw rod (6) is spirally connected with an adjusting plate (3), the surface of the adjusting plate (3) is provided with a threaded hole (8) penetrating through, the threaded hole (8) is spirally connected with the screw rod (6), and the top surface of the adjusting plate (3) is provided with a sand guiding assembly.
2. A yarn guide for use in a computerized flat knitting machine according to claim 1, characterized in that, The inside of the sand guiding assembly is provided with a supporting plate (7), the supporting plate (7) is installed on the top surface of the adjusting plate (3), the top surface of the supporting plate (7) is provided with a supporting disc (9), the surface of the supporting plate (7) is provided with a horizontal plate (18), the top surface of the horizontal plate (18) is provided with a sand guiding ring (15) penetrating through near the edge, the periphery of the supporting disc (9) is provided with a first mounting frame (11), the inside of the first mounting frame (11) is provided with a disc (13), the periphery of the disc (13) is embeddedly provided with a pressure sensor (12), and the top surface of the supporting disc (9) is vertically provided with a limiting column (10).
3. A yarn guide for use in a computerized flat knitting machine according to claim 2, characterized in that, The lower side of the horizontal plate (18) is provided with an electric push rod (19), the output end of the electric push rod (19) is provided with a pressing head (20), and the bottom surface of the horizontal plate (18) is provided with a resisting plate (21) on one side of the sand guiding ring (15).
4. A yarn guide for use in a computerized flat knitting machine according to claim 2, wherein The top surface of the horizontal plate (18) is vertically provided with a second mounting frame (16) and a third mounting frame (17), and the inside of the second mounting frame (16) and the third mounting frame (17) is movably provided with a conveying wheel (14).
5. A yarn guide for use in a computerized flat knitting machine according to claim 1, wherein The sand guiding assembly is provided with a plurality of groups, and the plurality of groups of sand guiding assemblies are installed on the top surface of the adjusting plate (3) at equal distances.
6. A yarn guide for use in a computerized flat knitting machine according to claim 1, characterized in that, The screw rod (6) is provided with two, and the two screw rods (6) are symmetrically installed about the center line of the mounting plate (2), and the two stepping motors (4) are controlled by the same frequency device.
7. A yarn guide for use in a computerized flat knitting machine according to claim 1, characterized in that, The outer surface of the flat knitting machine body (1) is provided with a controller (5).