Intelligent hairpin device

Abstract

The utility model discloses an intelligent hair pin device which comprises a hair pin driving assembly and a plurality of pin clamping assemblies installed side by side, and the hair pin driving assembly comprises a sliding plate capable of moving linearly, an electromagnet installed on the sliding plate and a stepping motor used for driving the sliding plate to move to the corresponding pin clamping assemblies. The number of the electromagnets is greatly reduced, the production cost is reduced, the needle clamp assemblies are not limited by the size of the electromagnets, more needle clamp assemblies can be installed in the same space, and the space utilization efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of sewing equipment accessories, in particular to an intelligent needle sending device for sewing machine needle management. Background Art

[0002] Clothing production requires sewing machine needles. During the sewing process, the needles may break due to long-term use or improper operation. After the needle breaks, it needs to be replaced. If the needle is not replaced in time, the broken needle will be left on the clothes. If it is sold, the clothes with broken needles will be left behind and hurt people. Therefore, it is necessary to replace the broken needles in time at the source to avoid this situation. However, in large-scale clothing manufacturers, broken needles are relatively common, and it is impossible to guarantee that all broken needles are recovered manually. Once an injury occurs, the broken needles cannot be traced, so it is necessary to manage the needles as a whole.

[0003] The invention patent with patent number 201920378170.1 discloses a smart butler for sewing machine needles, including a cabinet, the front of which is provided with a switching power supply, a face camera, an operation display screen and a needle ejection mechanism, wherein a needle receiving platform is provided directly in front of the needle ejection mechanism, and a main control board and a waste needle recovery mechanism are provided inside the cabinet. The above-mentioned face camera, operation display screen, needle ejection mechanism and waste needle recovery mechanism are all electrically connected to the main control board, and the switching power supply supplies power to other devices.

[0004] There are certain defects in the disclosure of this patent. In the needle ejection mechanism in this solution, a power device corresponding to the number of needle clamp assemblies is required to eject each sewing machine needle. Due to the large size of the electromagnet, the gap between two adjacent needle clamp assemblies is too large, which limits the number of needle clamp assemblies that can be installed, increases equipment costs, and has low needle ejection efficiency. In addition, this solution only mentions one electromagnet drive method, in which the travel electromagnet drives the push rod to eject the sewing machine needle. The usage scenario is subject to certain restrictions and there is much room for improvement. Summary of the invention

[0005] The utility model aims at solving the above-mentioned technical problems and provides an intelligent hairpin device, wherein a hairpin driving assembly can move the electromagnet to a selected needle clamp assembly to remove the needle in the corresponding needle clamp assembly.

[0006] The technical solution adopted by the utility model to solve the above technical problems is: an intelligent hairpin device, including a hairpin driving assembly and a plurality of needle clamp assemblies installed side by side, the hairpin driving assembly including a sliding plate that can move linearly, an electromagnet installed on the sliding plate, and a stepping motor for driving the sliding plate to move to the corresponding needle clamp assembly.

[0007] In order to optimize the above technical solution, the utility model also includes the following improved technical solution.

[0008] The sliding plate is slidably mounted on the first guide rail and the second guide rail.

[0009] The stepper motor is fixed on the sliding plate, and the stepper motor is connected to the bevel gear through the first transmission shaft; a bevel rack is fixed along the first guide rail and the second guide rail, and the bevel gear matches the bevel rack.

[0010] A driving wheel and a driven wheel are installed at both ends of the first guide rail and the second guide rail, a synchronous belt is arranged between the driving wheel and the driven wheel, and a stepping motor is connected to the driving wheel.

[0011] A lead screw is provided between the first guide rail and the second guide rail, and a lead screw nut matching the lead screw is installed on the sliding plate; the stepping motor is connected to the lead screw through a transmission gear.

[0012] The driving rod of the electromagnet is fixedly connected to the pushing bar, and a guide seat with a groove is installed below the driving rod, and the guide seat is fixed on the sliding plate.

[0013] The needle clamp assembly includes a needle clamping plate for placing the machine needle, a needle pushing plate for pushing out the bottom machine needle, a pressing plate placed above the machine needle, a bottom sleeve clamp for installing the needle clamping plate, a tension spring, and a pushing platform.

[0014] The needle clamp plate is composed of a left clamp plate and a right clamp plate. A needle clamp groove is provided in the needle clamp plate for the needle tail to slide down. The two clamp plates behind the needle clamp groove are closed. A slideway is provided between the two clamp plates in front of the needle clamp groove for the needle head to slide down.

[0015] Compared with the prior art, this solution can greatly reduce the number of electromagnets and reduce production costs. The needle clamp assembly is not limited by the volume of the electromagnetic block, and more needle clamp assemblies can be installed in the same space, thereby improving space utilization efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall three-dimensional structure of this embodiment.

[0017] Figure 2 yes Figure 1 Schematic diagram of the side structure of the intelligent needle-releasing device for sewing machine needles.

[0018] Figure 3 yes Figure 2 Schematic diagram of the explosion.

[0019] Figure 4 It is a schematic diagram of the structure of the needle fixture.

[0020] Figure 5 It is a second structural schematic diagram of the intelligent needle-releasing device for sewing machine needles.

[0021] Figure 6It is a third structural schematic diagram of the intelligent needle-releasing device for sewing machine needles. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings.

[0023] Figures 1 to 6 Shown is a schematic structural diagram of the utility model.

[0024] The accompanying drawings are marked as follows: stepper motor 1, motor mounting plate 2, electromagnet 3, drive rod 4, sliding plate 5, push bar 6, top seat 7, guide seat 8, needle clamp plate 9, left clamp plate 9a, right clamp plate 9b, needle clamp groove 9c, needle release port 9d, slideway 9e, slide groove 9f, pressing plate 10, bevel gear 11, bevel rack 12, first guide rail 13, second guide rail 14, first bottom plate 15, first slider 16, second slider 17, tank chain 18, tank chain support plate 19, tank chain connecting plate 20, driving wheel 21, driven wheel 22, synchronous belt 23, first Gear 24, second gear 25, screw rod 26, bottom sleeve clamp 27, needle push plate 28, tension spring 29, push-out platform 30, long magnet 31, needle clamp base 32, first support plate 33, middle top plate 34, second support plate 35, thickened pad 36, first mounting block 37, second mounting block 38, needle mounting fixture 39, long handle 39a, square head 39b, left clamp 39c, right clamp 39d, first protrusion 39e, second protrusion 39f, magnet 40, first transmission shaft 41, second transmission shaft 42, third transmission shaft 43, buffer pad 44.

[0025] The utility model discloses an intelligent needle-exiting device for sewing machine needles, comprising a needle-exiting driving assembly and a plurality of needle clamp assemblies installed side by side. The needle-exiting driving assembly can move to a selected needle clamp assembly to push the sewing machine needle out of the needle clamp assembly.

[0026] like Figure 3 As shown, the hairpin drive assembly includes a sliding plate 5 that can move linearly, an electromagnet 3 installed on the sliding plate 5, and a stepper motor 1. The electromagnet 3 is a push-pull type electromagnet 3, which is installed on the left side of the sliding plate 5. The driving rod 4 of the electromagnet 3 is fixedly connected to the pushing bar 6. A guide seat 8 with a groove is installed below the driving rod 4, and the guide seat 8 is fixed on the sliding plate 5. The driving rod 4 and the pushing bar 6 move in the groove. The stepper motor 1 is installed on the right side of the sliding plate 5 through the motor mounting plate 2. The stepper motor 1 is connected to the bevel gear 11 through the first transmission shaft 41, and the bevel gear 11 is located below the sliding plate 5. The top seat 7 is installed on the right plate of the sliding plate 5 close to the side of the push pin plate 28, and the first slider 16 and the second slider 17 are installed below the sliding plate 5.

[0027] The bevel rack 12 and the first guide rail 13 and the second guide rail 14 are all fixedly mounted on the first bottom plate 15. The bevel rack 12 is mounted inside the first guide rail 13. The bevel gear 11 cooperates with the bevel rack 12. The first slider 16 and the second slider 17 are respectively slidably mounted on the first guide rail 13 and the second guide rail 14, driving the sliding plate 5 to move horizontally and linearly along the first guide rail 13 and the second guide rail 14. The tank chain 18 is mounted on the first bottom plate 15 outside the first guide rail 13 through the tank chain supporting plate 19, and the tank chain connecting plate 20 is connected to the sliding plate 5.

[0028] When the sewing machine needle is released, according to the selected needle model, the stepper motor 1 drives the bevel gear 11 to rotate along the bevel rack 12, and the electromagnet 3 on the sliding plate 5 moves to the corresponding needle clamp assembly, and then the electromagnet 3 drives the push bar 6 to move, pushing the sewing machine needle out of the needle clamp assembly.

[0029] The needle clamp assembly includes a needle clamp plate 9, a needle push plate 28, a pressing plate 10, a bottom sleeve clamp 27, a tension spring 29, and an ejection platform 30. The needle clamp plate 9 is composed of a left clamp plate 9a and a right clamp plate 9b. A needle clamp groove 9c is provided in the needle clamp plate 9 for the needle tail to slide down. The two clamp plates on the rear side of the needle clamp groove 9c are closed, and the two clamp plates on the front side of the needle clamp groove 9c are open. A slideway 9e is provided for the needle head to slide down, and the needle tail cannot pass through. The needle tail is against the rear side of the needle clamp groove 9c, and the needle head is placed toward the ejection platform 30. A concave needle release port 9d is provided at the upper end of the needle clamp plate 9 for adding new needles to the needle clamp plate 9. After the needle tail is placed into the needle clamp groove 9c, the needle head enters the slideway 9e under the action of gravity to restrict the needle tail from sliding in the needle clamp groove 9c, and the needle head slides down along the slideway 9e, and the needle tail slides down against the rear side of the needle clamp groove 9c. The bottom of the needle clamp plate 9 is engaged with the groove of the bottom sleeve clamp 27, and a slide groove 9f is formed for the needle push plate 28 to move. One end of the needle push plate 28 is connected to the needle clamp plate 9 through a tension spring 29, and the other end of the needle push plate 28 is provided with a push-out platform 30 for receiving needles. The number of needle slots should match the number of needle clamp plates 9. The front end of the needle push plate 28 has a groove for pushing out the needle. The depth of the groove should match the thickness of a needle to ensure that the number of needles pushed out each time is only one. Four long magnets 31 are provided below the push-out platform 30 to fix the sewing machine needle and prevent the needle from flying out.

[0030] A pressing sheet 10 is provided above the needle clamp plate 9 to fix the machine needle. One end of the pressing sheet 10 extends into the needle clamp plate 9 and presses on the uppermost machine needle. Its width is slightly smaller than the needle clamp groove 9c. A protruding portion is provided at the other end of the pressing sheet 10. Its width is longer than the needle clamp groove 9c. It is used to abut against the upper end of the needle clamp plate 9 to prevent the pressing sheet 10 from falling to the bottom of the needle clamp groove 9c after all the machine needles are taken out, thereby causing the pressing sheet 10 to be stuck by the needle push plate 28, thereby affecting the ejection of the machine needle.

[0031] After the electromagnet 3 drives the push bar 6 to move, the push bar 6 pulls the needle push plate 28 to move in the slide groove 9f, and the needle drops vertically one needle under the action of gravity to the groove at the front end of the needle push plate 28, and the needle push plate 28 pulls the tension spring 29, and the tension spring 29 is in a stretched state. After the electromagnet 3 is powered off, it drives the push bar 6 to restore the initial state, and the tension spring 29 drives the needle push plate 28 to move, pushing the sewing machine needle to the ejection platform 30.

[0032] The bottom sleeve clamp 27 is engaged with the ejection platform 30 and fixedly mounted on the first bottom plate 15 through the needle clamp base 32, wherein the needle clamp base 32 is fixedly mounted on the first bottom plate 15 through the first support plate 33, the middle top plate 34, and the second support plate 35. Two inclined blocks are installed on both sides below the first bottom plate 15, namely the first mounting block 37 and the second mounting block 38. The side where the machine needle is taken out is higher, so that the needle clamp plate 9 and the ejection platform 30 are placed obliquely. This design is conducive to the tail end of the sewing machine needle neatly resting on the rear plate 9e in the needle clamp plate 9, and the design is more beautiful. A thickened pad 36 is installed next to the first mounting block 37 to make the device more stable.

[0033] At the same time, a solution of a needle clamp 39 is provided for placing a new needle, including a long handle 39a and a square head 39b at one end of the long handle 39a. Two cylindrical protrusions are provided in the end of the right clamp 39d, namely the first protrusion 39e and the second protrusion 39f, which respectively cooperate with the two recessed parts in the end of the left clamp 39c to fix the left and right clamps closed. Ten grooves are also provided in the end of the right clamp 39d, and the needles are placed in the grooves. The size of each groove conforms to the size of the sewing machine needle, so that each groove can just fit a needle. The left clamp 39c is made of iron material, and a buffer pad 44 is installed on the inner side of the end of the left clamp 39c to fix the needle when clamping, and the needle is not easy to loosen when the needle clamp 39 is moved. The right clamp 39d is made of aluminum material, which will not be magnetized. A magnet 40 is provided on the outer side of its end to fix the needle and clamp the clamp.

[0034] After the machine needle is placed in the needle clamp 39, the needle clamp 39 is clamped, and the pressing sheet 10 is taken out of the needle clamp plate 9. After the needle tail is placed in the needle clamp groove 9c, the needle clamp 39 is pulled down until a group of machine needles completely enter the slideway 9e and then released. After the needle head enters the slideway 9e, the needle tail is restricted to slide in the needle clamp groove 9c, and the needle head slides down along the slideway 9e, and the needle tail slides down against the back side of the needle clamp groove 9c. The machine needle moves vertically downward in the needle clamp plate 9 until it abuts against the original topmost machine needle, and the pressing sheet 10 is put in to complete the needle placement operation.

[0035] like Figure 5As shown, this scheme provides a second structure of the needle-shooting drive assembly. A stepper motor 1 is installed at one end of the first guide rail 13 and the second guide rail 14, and the stepper motor 1 is connected to the driving wheel 21 through the second transmission shaft 42, and a driven wheel 22 is provided on the other side. A synchronous belt is wound around the driving wheel 21 and the driven wheel 22, and a fixing member is installed under the sliding plate 5 to fasten it to the synchronous belt 23. When the needle is shot, the stepper motor 1 drives the driving wheel 21 to rotate, and the synchronous belt 23 drives the sliding plate 5 to move along the first guide rail 13 and the second guide rail 14 to the selected needle clamp assembly, and the electromagnet 3 is driven to push the sewing machine needle out of the needle clamp assembly.

[0036] like Figure 6 As shown, this scheme provides a third structure of the hairpin drive assembly. A stepper motor 1 is installed at one end of the guide rail, the stepper motor 1 is placed vertically, and is connected to the first gear 24 via the third transmission shaft 43. A lead screw 26 is provided between the first guide rail 13 and the second guide rail 14, one end of the lead screw 26 is connected to the second gear 25, and the first gear 24 is engaged with the second gear 25. A lead screw nut is installed at the lower end of the sliding plate 5, and the sliding plate 5 cooperates with the lead screw 26 through the lead screw nut.

[0037] When the sewing machine needle is ejected, the stepper motor 1 drives the first gear 24 to rotate, the first gear 24 drives the second gear 25 to rotate, the second gear 25 drives the screw rod 26 to rotate, the screw rod 26 rotates to drive the sliding plate 5 to make a linear reciprocating motion, move to the selected needle clamp assembly, and drive the electromagnet 3 to push the sewing machine needle out of the needle clamp assembly.

[0038] The best embodiment of the present invention has been described, and various changes or modifications made by ordinary technicians in this field will not depart from the scope of the present invention.

Claims

1. An intelligent hairpin device, comprising a hairpin drive assembly and a plurality of needle clamp assemblies installed side by side, characterized in that: The hairpin drive assembly comprises a sliding plate (5) capable of linear movement, an electromagnet (3) mounted on the sliding plate (5), and a stepping motor (1) for driving the sliding plate (5) to move to a corresponding needle clamp assembly.

2. The smart hairpin device according to claim 1, characterized in that: The sliding plate (5) is slidably mounted on the first guide rail (13) and the second guide rail (14).

3. The smart hairpin device according to claim 2, characterized in that: The stepper motor (1) is fixed on the sliding plate (5), and the stepper motor (1) is connected to the bevel gear (11) through the first transmission shaft (41); a bevel rack (12) is fixed along the first guide rail (13) and the second guide rail (14), and the bevel gear (11) matches the bevel rack (12).

4. The smart hairpin device according to claim 2, characterized in that: A driving wheel (21) and a driven wheel (22) are installed at both ends of the first guide rail (13) and the second guide rail (14), a synchronous belt is provided between the driving wheel (21) and the driven wheel (22), and the stepping motor (1) is connected to the driving wheel (21).

5. The smart hairpin device according to claim 2, characterized in that: A lead screw (26) is provided between the first guide rail (13) and the second guide rail (14); the sliding plate (5) is provided with a lead screw nut matched with the lead screw (26); and the stepping motor (1) is connected to the lead screw (26) via a transmission gear.

6. The smart hairpin device according to any one of claims 1 to 5, characterized in that: The driving rod (4) of the electromagnet (3) is fixedly connected to the pushing bar (6), and a guide seat (8) with a groove is installed below the driving rod (4), and the guide seat (8) is fixed on the sliding plate (5).

7. The smart hairpin device according to claim 1, characterized in that: The needle clamp assembly comprises a needle clamp plate (9) for placing a machine needle, a needle push plate (28) for pushing out the bottom machine needle, a pressing plate (10) placed above the machine needle, a bottom sleeve clamp (27) for installing the needle clamp plate (9), a tension spring (29), and a pushing platform (30).

8. The smart hairpin device according to claim 7, characterized in that: The needle clamp (9) is composed of a left clamp (9a) and a right clamp (9b). A needle clamp groove (9c) is provided in the needle clamp (9) for the needle tail to slide down. The two clamps on the rear side of the needle clamp groove (9c) are closed. A slideway (9e) is provided between the two clamps on the front side of the needle clamp groove (9c) for the needle head to slide down.

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