Guide device for threading of industrial sewing machine

Abstract

The utility model relates to the technical field, and discloses a guiding device for threading of an industrial sewing machine, which comprises a sewing machine body, the lower end of the sewing machine body is connected with a pressure rod, the lower end of the pressure rod is connected with a machine needle, a threading hole is arranged in the machine needle, a crochet hook is arranged in the threading hole, and the crochet hook is connected with the machine needle. A detachable assembly is arranged at one end of the crochet hook, and a clamping assembly is installed on one side of the sewing machine body. The detachable assembly comprises a push plate, a fixed bin is formed in the push plate, a spring is installed in the fixed bin, a moving block is arranged on one side of the spring, and a first connecting block is connected to one side of the moving block. One end of a sewing thread is fixed through the arranged clamping assembly, the sewing thread is prevented from falling off from the crochet hook, the threading success rate is improved, and the crochet hook can be conveniently and rapidly disassembled and assembled through the arranged detachable assembly, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial sewing machines, in particular to a threading guide device for industrial sewing machines. Background Art

[0002] Industrial sewing machines are sewing machines suitable for mass production in sewing factories or other industrial sectors. Factories that need sewing machines for clothing, shoes, hats, etc. all use industrial sewing machines.

[0003] Existing industrial sewing machines require manual threading operations. When in use, the eyelet of the needle is small, which makes the threading operation inconvenient. There is a need for a threading guide device for an industrial sewing machine to facilitate the threading operation of the industrial sewing machine.

[0004] Chinese patent publication number: CN214168363U discloses "A sewing machine needle threading device", which includes a table, a column is provided on one side of the upper part of the table, and an organic body is provided above the column. An electric telescopic rod bracket is installed above the body through an electric telescopic rod fixing screw, and an electric telescopic rod is installed on the electric telescopic rod bracket. The other end of the electric telescopic rod piston rod of the electric telescopic rod is connected to a threading needle fixing seat, and one end of the threading needle fixing seat is connected to the threading needle clamping device through a threading needle clamping device fastening screw. A spool mounting shaft is installed on the table, a spool is sleeved on the spool mounting shaft, and sewing thread is wound on the spool. A threading needle is fixed between the threading needle clamping device and the threading needle fixing seat, a control panel is installed on one side of the body, and a machine head is installed on one side of the body, and a sewing machine needle is installed on the machine head. This sewing machine needle threading device has a simple and reasonable structure, novel design, simple operation, high applicability, high practicality, and is convenient for widespread promotion and use.

[0005] The above-mentioned prior art is that one end of the threading needle fixing seat is connected to the threading needle clamping device through the threading needle clamping device fastening screw, a spool mounting shaft is installed on the table, a spool is sleeved on the spool mounting shaft, and sewing thread is wound on the spool, a threading needle is fixed between the threading needle clamping device and the threading needle fixing seat, a control panel is installed on one side of the machine body, a machine head is installed on one side of the machine body, and a sewing machine needle is installed on the machine head. This sewing machine needle threading device has a simple and reasonable structure, novel design, simple operation, high applicability, high practicality, and is easy to promote and use widely. However, during use, the existing device does not fix the other end of the suture when threading the suture. The suture is easy to slip from the threading needle clamp during threading, which reduces the threading efficiency to a certain extent. Utility Model Content

[0006] The purpose of the utility model is to provide a threading guide device for an industrial sewing machine, so as to solve the problem in the background art that the suture easily slips out of the threading needle clamp during threading, thereby reducing the threading efficiency to a certain extent.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: a threading guide device for an industrial sewing machine, comprising a sewing machine body, a pressure rod connected to the lower end of the sewing machine body, a machine needle connected to the lower end of the pressure rod, a threading hole formed inside the needle, a hook disposed inside the threading hole, a detachable component disposed at one end of the hook, and a clamping component mounted on one side of the sewing machine body;

[0008] The detachable component includes a push plate, a fixed compartment is provided inside the push plate, a spring is installed inside the fixed compartment, a moving block is provided on one side of the spring, a first connecting block is connected to one side of the moving block, a pressure rod is provided on one side of the first connecting block, a sliding groove is provided on one side of the push plate, an adjustment plate is connected to one side of the pressure rod, and a positioning pin is provided in the middle position of one side of the push plate;

[0009] The clamping assembly includes a fixed plate, a lower pressure plate is provided on one side of the fixed plate, and a motor is installed inside the fixed plate, the output end of the motor is connected to a gear, a rack is provided on one side of the gear, a slider is provided on one side of the rack, a slide rail is installed on the outer side of the slider, one end of the rack is connected to a second connecting block, one side of the second connecting block is connected to an upper pressure plate, and a vertical groove is opened on one side of the fixed plate.

[0010] Preferably, a telescopic element is connected to one side of the detachable component, and a suture is provided on one side of the crochet hook.

[0011] Preferably, the crochet hook passes through the threading hole and extends to the outside thereof, the machine needle is detachably connected to the pressure rod, and the fixed bins are in multiple groups, and the multiple groups of fixed bins are symmetrically arranged in the push plate.

[0012] Preferably, one end of the spring is fixedly connected to the moving block, the first connecting block passes through the push plate and extends to the outside thereof, and the first connecting block is slidably connected to the sliding groove.

[0013] Preferably, one end of the crochet hook is provided with a hole groove matching the positioning pin, and the adjustment plate is fixedly connected to the pressure rod.

[0014] Preferably, the motor is fixedly arranged in the fixing plate, the motor is detachably connected to the gear, the gear is meshed with the rack, and the rack is fixedly connected to the slider.

[0015] Preferably, the slider matches the slide rail, the slide rail is fixedly arranged in the fixed plate, one end of the rack is fixedly connected to the second connecting block, the second connecting block is slidably connected to the vertical groove, and the upper pressure plate is fixedly connected to the second connecting block.

[0016] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0017] First, the utility model fixes one end of the suture through the clamping component, prevents the suture from falling off the crochet hook, improves the success rate of threading, and facilitates the crochet hook to pull the suture through the threading hole, thereby realizing the threading of the suture into the machine needle. When in use, the motor drives the gear to rotate, the gear rotation drives the rack to move, and the rack movement drives the slider to move, so that the upper pressure plate presses the lower pressure plate to fix one end of the suture, making it convenient to use the hook needle to thread the suture.

[0018] Second, the utility model provides a detachable component to quickly disassemble and install the crochet hook, which is convenient to use. Generally, the crochet hook is fixed with bolts. The detachable component is used to achieve quick installation and disassembly, thereby improving work efficiency. Multiple groups of springs are used to drive multiple groups of pressure rods to approach the crochet hook, and the crochet hook is fixed on one side of the push plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural diagram of the utility model;

[0020] Figure 2 It is a cross-sectional view of the utility model;

[0021] Figure 3 For this utility model Figure 2 A magnified view of the structure at point A;

[0022] Figure 4 For this utility model Figure 2 A magnified view of the structure at B in the middle;

[0023] Figure 5 This is a schematic structural diagram of the pressure rod and the crochet hook of the utility model;

[0024] Figure 6 This is a schematic structural diagram of the spring and moving block of the utility model;

[0025] Figure 7 This is a schematic structural diagram of the clamping assembly of the present invention.

[0026] In the figure: 1. sewing machine body; 2. pressure rod; 3. needle; 4. threading hole; 5. hook; 6. telescopic element; 7. detachable component; 701. push plate; 702. fixed compartment; 703. spring; 704. moving block; 705. first connecting block; 706. pressure rod; 707. slide groove; 708. adjusting plate; 709. positioning pin; 8. clamping assembly; 801. fixed plate; 802. lower pressure plate; 803. motor; 804. gear; 805. rack; 806. slider; 807. slide rail; 808. second connecting block; 809. vertical groove; 810. upper pressure plate; 9. suture. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] See also Figure 1-Figure 7 , a threading guide device for an industrial sewing machine, comprising a sewing machine body 1, a pressure rod 2 being connected to the lower end of the sewing machine body 1, a machine needle 3 being connected to the lower end of the pressure rod 2, a threading hole 4 being provided inside the machine needle 3, a hook 5 being provided inside the threading hole 4, a detachable component 7 being provided at one end of the hook 5, and a clamping component 8 being installed on one side of the sewing machine body 1; the detachable component 7 comprises a push plate 701, a fixed compartment 702 being provided inside the push plate 701, a spring 703 being installed inside the fixed compartment 702, a moving block 704 being provided on one side of the spring 703, a first connecting block 705 being connected on one side of the moving block 704, a pressure rod 706 being provided on one side of the first connecting block 705, the push plate 701 A slide groove 707 is provided on one side, an adjustment plate 708 is connected to one side of the pressure rod 706, and a positioning pin 709 is provided in the middle position of one side of the push plate 701; the clamping assembly 8 includes a fixed plate 801, a lower pressure plate 802 is provided on one side of the fixed plate 801, and a motor 803 is installed inside the fixed plate 801, the output end of the motor 803 is connected to a gear 804, a rack 805 is provided on one side of the gear 804, a slider 806 is provided on one side of the rack 805, a slide rail 807 is installed on the outside of the slider 806, one end of the rack 805 is connected to a second connecting block 808, one side of the second connecting block 808 is connected to an upper pressure plate 810, and a vertical slot 809 is provided on one side of the fixed plate 801.

[0029] Through the above technical solution, the clamping component 8 is set to fix one end of the suture 9 to prevent the suture 9 from falling off the crochet hook 5, thereby improving the success rate of threading and facilitating the crochet hook 5 to pull the suture 9 through the threading hole 4, thereby realizing the threading of the suture 9 into the machine needle 3. When in use, the motor 803 is used to drive the gear 804 to rotate, and the rotation of the gear 804 drives the rack 805 to move, and the movement of the rack 805 drives the slider 806 to move, thereby realizing the upper pressure plate 810 pressing the lower pressure plate 802 to fix one end of the suture 9, and the crochet hook 5 is used to thread the suture 9. The detachable component 7 is set to facilitate the quick disassembly and installation of the crochet hook 5, which is convenient for use. Generally, the crochet hook 5 is fixed with bolts. The detachable component 7 is used to achieve quick installation and disassembly, thereby improving work efficiency. Multiple groups of springs 703 are used to drive multiple groups of pressure rods 706 to approach the crochet hook 5, and the crochet hook 5 is fixed on one side of the push plate 701.

[0030] Specifically, one side of the detachable component 7 is connected to the telescopic element 6 , and one side of the crochet needle 5 is provided with a suture 9 .

[0031] Through the above technical solution, the telescopic element 6 is used to drive the detachable component 7 to move forward and backward, and the hook 5 drives the suture 9 to perform the threading operation.

[0032] Specifically, the crochet needle 5 passes through the threading hole 4 and extends to its outside, the machine needle 3 is detachably connected to the pressure rod 2, and the fixed bins 702 are multiple groups, and the multiple groups of fixed bins 702 are symmetrically arranged in the push plate 701.

[0033] Through the above technical solution, the crochet hook 5 passes through the threading hole 4, so that the suture 9 can pass through the threading hole 4 under the drive of the crochet hook 5 to realize the threading operation. The pressure rod 2 is used to drive the needle 3 to move up and down. The fixed bin 702 is divided into multiple groups and symmetrically distributed around the crochet hook 5, which is convenient for fixing the crochet hook 5 around.

[0034] Specifically, one end of the spring 703 is fixedly connected to the moving block 704 , the first connecting block 705 passes through the push plate 701 and extends to the outside thereof, and the first connecting block 705 is slidably connected to the sliding groove 707 .

[0035] Through the above technical solution, the reset function of the spring 703 is utilized to drive the moving block 704 to move, the first connecting block 705 connects the moving block 704 and the pressure rod 706 , and the slide groove 707 matches the first connecting block 705 .

[0036] Specifically, a hole groove matching the positioning pin 709 is opened at one end of the crochet hook 5, and the adjustment plate 708 is fixedly connected to the pressure rod 706.

[0037] Through the above technical solution, the crochet hook 5 is inserted into the positioning pin 709, and the positioning pin 709 plays a positioning role for the crochet hook 5. The adjustment plate 708 is convenient for the staff to move, thereby achieving the fixation and disassembly of the crochet hook 5.

[0038] Specifically, the motor 803 is fixedly installed in the fixed plate 801 , the motor 803 is detachably connected to the gear 804 , the gear 804 is meshed with the rack 805 , and the rack 805 is fixedly connected to the slider 806 .

[0039] Through the above technical solution, the motor 803 is used to drive the gear 804 to rotate, thereby driving the rack 805 to move, and the movement of the rack 805 drives the slider 806 to move.

[0040] Specifically, the slider 806 matches the slide rail 807, the slide rail 807 is fixedly set in the fixed plate 801, one end of the rack 805 is fixedly connected to the second connecting block 808, the second connecting block 808 is slidingly connected to the vertical groove 809, and the upper pressure plate 810 is fixedly connected to the second connecting block 808.

[0041] Through the above technical solution, the slide rail 807 supports the slider 806, and the movement of the rack 805 drives the second connecting block 808 connected at one end to move, thereby driving the upper pressure plate 810 to move. The upper pressure plate 810 moves closer to the lower pressure plate 802, thereby clamping the suture 9, making it convenient to thread the suture 9.

[0042] When the hook 5 needs to be fixed, the staff moves the adjustment plate 708, the adjustment plate 708 drives the pressure rod 706 to move, the pressure rod 706 moves and drives the first connecting block 705 to slide in the slide groove 707, the first connecting block 705 slides in the slide groove 707 and drives the moving block 704 to move, the moving block 704 moves to compress the spring 703, and insert the hook 5 into the positioning pin 709, loosen the adjustment plate 708, and the adjustment plate 708 drives the pressure rod 706 to press the hook 5 under the action of the spring 703 resetting, and installs and fixes the hook 5. When the suture 9 needs to be threaded, the hook 5 is passed through the threading hole 4, and the staff places the suture 9 In the crochet hook 5, the motor 803 is started, the motor 803 drives the gear 804 to rotate, the gear 804 rotates and drives the rack 805 to move, the rack 805 moves and drives the slider 806 to slide in the slide rail 807, and at the same time the rack 805 moves and drives the second connecting block 808 to slide in the vertical groove 809, the second connecting block 808 slides in the vertical groove 809 and drives the upper pressure plate 810 to approach the lower pressure plate 802, the upper pressure plate 810 and the lower pressure plate 802 clamp and fix the suture 9, start the telescopic element 6, the telescopic element 6 drives the detachable component 7 to move, the detachable component 7 moves and drives the crochet hook 5 to move, the crochet hook 5 moves and drives the suture 9 to pass through the threading hole 4 and into the needle 3.

[0043] Although the 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 variations may be made to these embodiments without departing from the principles and spirit thereof, and the scope is defined by the appended claims and their equivalents.

Claims

1. A threading guide device for an industrial sewing machine, comprising a sewing machine body (1), characterized in that: The lower end of the sewing machine body (1) is connected to a pressure rod (2), the lower end of the pressure rod (2) is connected to a machine needle (3), a threading hole (4) is provided inside the machine needle (3), a hook (5) is provided inside the threading hole (4), a detachable component (7) is provided at one end of the hook (5), and a clamping component (8) is installed on one side of the sewing machine body (1); The detachable component (7) includes a push plate (701), a fixed chamber (702) is provided inside the push plate (701), a spring (703) is installed inside the fixed chamber (702), a moving block (704) is provided on one side of the spring (703), a first connecting block (705) is connected to one side of the moving block (704), a pressure rod (706) is provided on one side of the first connecting block (705), a sliding groove (707) is provided on one side of the push plate (701), an adjustment plate (708) is connected to one side of the pressure rod (706), and a positioning pin (709) is provided in the middle position of one side of the push plate (701); The clamping assembly (8) comprises a fixed plate (801), a lower pressure plate (802) is provided on one side of the fixed plate (801), and a motor (803) is installed inside the fixed plate (801), an output end of the motor (803) is connected to a gear (804), a rack (805) is provided on one side of the gear (804), a slider (806) is provided on one side of the rack (805), a slide rail (807) is installed on the outer side of the slider (806), one end of the rack (805) is connected to a second connecting block (808), one side of the second connecting block (808) is connected to an upper pressure plate (810), and a vertical slot (809) is provided on one side of the fixed plate (801).

2. The threading guide device for an industrial sewing machine according to claim 1, characterized in that: One side of the detachable component (7) is connected to a telescopic element (6), and one side of the crochet needle (5) is provided with a suture (9).

3. The threading guide device for an industrial sewing machine according to claim 1, characterized in that: The crochet needle (5) passes through the threading hole (4) and extends to the outside thereof, the machine needle (3) is detachably connected to the pressure rod (2), and the fixed bins (702) are multiple groups, and the multiple groups of fixed bins (702) are symmetrically arranged in the push plate (701).

4. The threading guide device for an industrial sewing machine according to claim 1, characterized in that: One end of the spring (703) is fixedly connected to the moving block (704), the first connecting block (705) passes through the push plate (701) and extends to the outside thereof, and the first connecting block (705) is slidably connected to the sliding groove (707).

5. The threading guide device for an industrial sewing machine according to claim 1, characterized in that: One end of the hook needle (5) is provided with a hole groove matching the positioning pin (709), and the adjustment plate (708) is fixedly connected to the pressure rod (706).

6. The threading guide device for an industrial sewing machine according to claim 1, characterized in that: The motor (803) is fixedly arranged in the fixed plate (801), the motor (803) is detachably connected to the gear (804), the gear (804) is meshed with the rack (805), and the rack (805) is fixedly connected to the slider (806).

7. The threading guide device for an industrial sewing machine according to claim 1, characterized in that: The slider (806) matches the slide rail (807), the slide rail (807) is fixedly arranged in the fixed plate (801), one end of the rack (805) is fixedly connected to the second connecting block (808), the second connecting block (808) is slidably connected to the vertical groove (809), and the upper pressing plate (810) is fixedly connected to the second connecting block (808).

Images