TWM246349U - Dual needle sewing machine for packet opening - Google Patents

Description

M246349 IV. Creation Instructions (1) [Technical Field to which the New Type belongs] A double-needle stitching machine, especially a double-needle stitching machine capable of sewing two stitches simultaneously. [Prior art] As is well known, various plasticized raw materials such as polystyrene are granulated and filled into packaging bags for easy shipment. After the granular plasticized materials are properly packed in the packaging bag, the mouth of the bag needs to be sewn with a sewing machine. Sewing density and strength of the sewing machine, in order to comply with the size of the particles and the loading specifications of different packaging bags, two sewing threads are sewn on the packaging bags. Please refer to the first and second pictures of the conventional bag sewing machine, which includes a body 1 >, a drive unit 2 >, a thread stand unit 3 /, a push unit 4 /, and a sewing needle Unit 5 > and a hook unit 6 > the bobbin unit 3 > sets a bundle of stitches 7 >, the needle unit 5 / fixes a stitch 5 0 >, the hook unit 6 / is located under the needle unit 5 > and has a hook piece 60 > with respect to the needle 50 /. Packing bag 8 / The bag mouth is clamped on the pushing unit 4 >, the driving unit 2 > the driving unit 4 >, the stitch unit 5 > and the hook unit 6 > so that the pushing unit 4 — pushes The bag mouth is moved forward relative to each other, the stitch 50 is moved up and down to sew a stitch 7 at the bag mouth of the packaging bag 8, and the hook 6 is extended and retracted by swinging and advancing. Needle 5 0 > Suture 7 in the hook state up and down > Medium 〇 The conventional bag sewing machine mentioned above can only complete one stitch in one stroke when performing bag mouth sewing of the bag 8 > 7 /, so two stitches 7 > will require two round trips, which is time-consuming and labor-intensive, and as shown in the third picture, it is easy

M246349 IV. Creation instructions (2) The two stitches 7 > deviate from each other at an equal distance, affecting the stitching strength of the bag mouth. Therefore, it can be seen from the above that the conventional bag sewing machine mentioned above obviously has inconvenience and lack in practical use, and needs to be improved. The reason is that the author feels that the above-mentioned shortcomings can be improved. He has devoted himself to research and cooperated with the application of theories to finally propose a rational design and effectively improve the above-mentioned original creations. [New content] [Creation purpose] The main purpose of this creation is to provide a double-needle stitching machine, which can sew two equal-space stitches in one stroke to ensure the strength of the stitching. [Features of creation] In order to achieve the above purpose, this creation is mainly to provide a double-needle sewing machine, including a body, a drive unit, a thread unit, a push unit, a needle unit and a hook unit, of which The driving unit is fixed to the body and is externally connected to the power supply; the wire rack unit is fixed to the body and has a shaft for setting a bundle of sutures; the pushing unit is set on the body and has a pressing plate and A pusher piece is used to clamp a sutured piece, and the driving unit drives the pusher piece to push the sutured piece forward; the needle unit is arranged on the body and is located on the pusher unit for fixing two Stitches, the stylus connection of the two stitches and the advancing direction of the part being stitched are staggered, the needle holes of the two stitches are passed through the two stitches, and the drive unit drives the two stitches to move up and down for sewing second-class Spacing stitches to the piece being stitched; and the tick list

M246349 IV. Creation instructions (3) The tuple is set on the body and under the pushing unit, and has two hooks relative to the two stitches, and the drive unit drives the two hooks to swing to pin the pinholes of the two stitches respectively The upper two stitches are used for the needle to shuttle up and down in the hooked stitches. The stylus of the two stitches is staggered with respect to the advancing direction of the part being sewn, so that the two stitches can be sewed at two equal intervals in one stroke. Suture to the piece being sewn. [Embodiment] In order to further explain the technical means and effects adopted by this creation to achieve the intended purpose, please refer to the following detailed description and drawings of this creation. I believe that the purpose, characteristics and features of this creation can be obtained from this. In-depth and specific understanding, however, the drawings are provided for reference and explanation only, and are not intended to limit the creation. [Detailed description] Please refer to the fourth to sixth figures. This creation is a double-needle bag sewing machine, which includes a body 1, a drive unit 2, a thread rack unit 3, a push unit 4, and a sewing needle. The unit 5 and the hook line unit 6 include: the body 1 has a curved shape, and has an upper end portion 10, a middle portion portion 11 and a lower end portion 12. The drive unit 2 is fixed to the body 1 and connected to an external power source. The driving unit 2 includes a motor 20 and a reduction mechanism 2 1. The motor 20 is fixed below the middle section 11 of the body 1. The reduction mechanism 21 is fixed behind the middle section 11 and the reduction mechanism 2 1. Including a small gear (not shown), a belt (not shown) and a large gear 2 4, the shaft of the motor 20 is fixedly connected

M246349 IV. Creation instructions (4) In the center hole of the small gear, the belt meshes with the small gear and the large gear 2 4. The large gear 2 4 is fixedly connected to a transmission shaft (not shown) and runs through the body 1 Middle section 1 1. Since the drive unit 2 has a conventional structure, detailed illustrations are not shown. This creative double-needle sewing bag mouth machine further includes a handle 1 3, which is provided with a cable 14 and a switch (not shown), and the cable 14 is electrically connected to the switch and the motor 2 of the drive unit 2. 0. The wire rack unit 3 is fixed to the side of the middle section 11 of the body 1. The wire rack unit 3 includes a rack plate 3 0 and has two shaft rods 3 1. The rack plate 3 0 is provided with the two shaft rods 3. 1 for setting two bundle-like sutures 7. Above the middle section 11 of the body 1, there are two clip groups 3 2 for clamping the two sutures 7 drawn from the two bundled sutures 7 on the shelf plate 30 to maintain proper tension. Shelf plate 30 can also be assembled with a shaft 3 1 set of bundled sutures 7 to lead out two sutures 7. The body 1 further has a plurality of guides 3 3 adjacent to the two clip groups 3 2. The guides 3 3 have limiting holes 3 4 for threading and guiding the suture 7 forward. The pushing unit 4 is arranged at the upper end portion 10 and the lower end portion 12 of the body 1, and has a pressing piece 4 0 4 and a pushing piece 4 1 5 for holding a sutured piece 8 (such as the seventh (Shown in the figure), the driving shaft of the large gear 24 of the driving unit 2 drives the pusher 4 1 5 to push the sewn member 8 forward

M246349 IV. Creation instructions (5) 4 0 3 and the pressing piece 4 0 4; the guide rod 4 0 1 sets the spring pivoted on the upper end 10 of the body 1; the guide rod 401 is provided with a positioning block 405, The paddle 4 0 3 is pivotally disposed on the upper end 10 side of the body 1, the paddle 4 0 3 is pivoted on top of the positioning block 4 0 5, and the pressure pad 4 0 4 is disposed on the lower end of the guide rod 4 0 1 as Moving up and down. The pushing piece group 41 has a transverse guiding piece 4 1 1, a transverse guiding rod 4 12, a guide block 413, a rotating member 414 and the pushing piece 4 1 5. The transverse guiding piece 4 1 1 and the transverse guiding piece 4 1 1. The lever 4 1 2 is fixed in the lower end 12 of the body 1. The guide block 4 1 3 is pivoted between the lateral guide piece 4 1 1 and the lateral guide bar 4 1 2. The rotating member 4 1 4 is connected. The guide block 4 1 3 is provided with an eccentric shaft 4 1 6 to drive the drive shaft of the driving unit 2. The pusher 4 1 5 is fixed to the upper end of the rotating member 4 1 4 to move up and down and along the sewn member 8 Turn back and forth in direction 80. The needle unit 5 is arranged on the upper end portion 10 of the body 1 and is located on the pushing unit 4 for fixing two sewing needles 50, and the needle tip line 51 of the two sewing needles 50 is connected to the suture. The forward direction 80 of the piece 8 is staggered. The needle holes 5 2 of the two stitches 50 pass through the two stitches 7 respectively. The drive shaft of the large gear 2 4 of the drive unit 2 drives the two stitches 50 to move up and down. It is used to sew two equally-spaced sutures 7 on the part to be sewn 8 (as shown in the seventh figure). The needle unit 5 includes a movable rod 5 3 and a needle seat 5 4. An upper end of the movable rod 5 3 is provided with a The guide 5 5 has two limiting holes (not shown) for penetrating and guiding the suture 7 forward, and the movable rod 5 3 is pivotally arranged on the body 1 and the movable rod 5 3 The lower end is fixed with the needle base 54, and the needle base 54 is fixed with the two sewing needles 50 for vertical movement.

M246349 Fourth, creation instructions (6) Hook thread unit 6, which is set at the lower end 12 of the body 1 and under the push unit 4, and has two hook pieces 6 0 relative to the two stitches 50 0, the The drive shaft of the large gear 2 4 of the drive unit 2 drives the second hook piece 60 to swing the two stitches 7 on the needle hole 5 2 of the two stitches 50 to allow the needle 50 to shuttle up and down to the hooked state of the stitches. In line 7. The hooking unit 6 includes a pivoting rod 6 1, a hooking base 6 2 and the two hooking pieces 60. The pivoting rod 6 1 is pivotally mounted on a shaft sleeve 63 in an end portion 12 below the body 1. The hook base 62 is fixed at the other end of the pivot lever 61, and the two hook pieces 60 are fixed at the other end of the pivot base 61. The hook piece 60 is perpendicular to the pivot lever 61 for swinging, advancing and retracting. This creative double-needle sewing bag mouth machine further includes a lubricating unit 16 which is arranged on the handle 13 and the lubricating unit 16 has a fuel tank 16 1 which is provided with a cylinder at the end. The rod 1 6 2 is provided with an oil pipe 1 6 3 at the other end, which is connected to the driving unit 2, the pushing unit 4, the needle unit 5 and the hook unit 6. The cymbal stick 1 6 2 makes it easy to replenish lubricating oil to the components at any time. In addition, the double-stitch sewing machine of the present creation further includes a cutting unit 17 having a fixed knife 171, a movable knife 172, and a swing arm 173. The fixed knife 171 is fixed to the body 1 The lower end 12 is on the side, and the movable knife 1 7 2 is fixed to the swing arm 1 7 3 —end. The pivot point of the swing arm is pivoted in the lower end 12 of the body 1 and the other end of the swing arm 1 7 3 The guide plate (not shown) of the pushing unit 4 is actuated to move up and down, and the blades of the movable knife 1 72 and the fixed knife 1 7 1 are alternately moved relative to each other.

Page 10 M246349 IV. Creation instructions (7) As shown in the seventh picture, the sewn piece 8 is a packaging bag, and the mouth of the packaging bag is placed between the pressing piece 404 and the pushing piece 4 1 5 and the dial Sheet 40 3 to secure the mouth of the bag. Start the switch of the handle 1 3, so that the motor 20 drives the reduction mechanism 21 to drive the pusher 4 1 5 to push the bag mouth forward for relative movement, and the two stitches 50 respectively carry two stitches 7 to sew the bag mouth. Two hook pieces 6 〇 Make two stitches 7 respectively. In this way, two equally spaced stitches 7 are sewn at the mouth of the bag. The two stitches 7 are cut by the fixed knife 1 71 and the movable knife 1 72. After the sewing is completed, the positioning block 405 of the upper guide lever 401 of the paddle 40 is moved, and the pressure piece 404 is moved above to perform the sewing operation of the next bag opening. In this way, one stitching operation can be completed in one stroke, shortening the operation time and workload, and because of the uniform spacing of the two sutures 7, the quality of the bag mouth is improved and the strength is stable. 〔Creation Features and Advantages】 So, through the double-needle sewing bag opening machine of this creation, it has the following characteristics: The stylus connection of the two stitches is staggered with respect to the advancing direction of the part to be sewn, so that the two stitches can travel in one stroke. The trolley sew two equally spaced sutures to the sewn parts. Therefore, it not only saves time and labor, but also has the same seam strength of the bag mouth, and improves the quality of the seam of the bag mouth to truly meet the carrying specifications of the bag. In summary, this creation is fully in line with the requirements for a new patent application. Therefore, you should submit an application in accordance with the Patent Law. Please check the details and ask for an early approval of the patent. You should feel a sense of virtue to protect the rights and interests of the creator. Members have any suspicions, please follow the letter instructions. However, the above is only a detailed description of the specific embodiment of this creation

Page 11 M246349 IV. The description of creation (8) and drawings are not intended to limit the characteristics of this creation and this creation. For those who are familiar with the art, the equivalent modifications or changes made in accordance with the spirit of this creation are It should be included in the patent scope of this creation. Page 12 M246349 Schematic illustration [Schematic description] The first diagram is a three-dimensional schematic diagram of a conventional sewing bag π machine. The second diagram is a partially exploded schematic diagram of a conventional sewing bag V machine. The second diagram is a conventional packaging. Pocket bag α Plane schematic diagram of the two sutures skewed when stitching. The fourth picture is a three-dimensional diagram of the creation. The fifth picture is a partial decomposition diagram of the creation. The sixth picture is the needle unit and hook line of the pushing unit of the creation. A partial three-dimensional schematic diagram of the unit. The seventh diagram is a plan view of the two equally spaced sutures in the creative packaging bag. Π [component symbol] C. Known body 1 drive unit 2 wire rack unit 3 push unit 4 seam Needle unit 5 Stitch needle 5 0 Hooking unit 6 Hook piece 6 0 Suture 7 Packing bag 8 〆 [This creative body 1 upper end 1 0 middle section 1 1 lower end 1 2 handle 1 3 cable 1 4 lubrication unit 1 6 fuel tank 1 6 1 mouth namely Barrel 1 6 2

Page 13 M246349

Simple illustration on page 14 Tubing 1 6 3 Shearing unit 1 7 Fixed knife 1 7 1 Moving knife 1 7 2 Swing arm 1 7 3 Drive unit 2 Motor 2 0 Reduction mechanism 2 1 Large gear 2 4 Wire rack unit 3 Plate 3 0 Shaft lever 3 1 Yanpian group 3 2 Guide 3 3 Limit hole 3 4 Push unit 4 Pressing group 4 0 Guide bar 4 0 1 Dial 4 0 3 Pressing 4 0 4 Positioning block 4 0 5 Pusher group 4 1 Transverse guide 4 1 1 Cross guide 4 1 2 Guide block 4 1 3 Rotator 4 1 4 Pusher 4 1 5 Eccentric shaft 4 1 6 Needle unit 5 Needle 5 0 Needle tip connection 5 1 Pinhole 5 2 Movable lever 5 3 Needle base 5 4 Guide 5 5 Thread hook unit 6 Hook piece 6 0 Pivot lever 6 1 Hook base 6 2 Bushing 6 3 M246349 Schematic illustration of sutures 7 Sutures 8 Forward Direction 8 0 page 15 11 ^

Claims (1)

M246349 5. Scope of patent application 1. A double-needle sewing machine, including: a body; a drive unit, which is fixed to the body and external power supply; a wire frame unit, which is fixed to the body and has a shaft, A sleeve-like suture is set; a pushing unit is set on the body, and has a pressing piece and a pushing piece for clamping a sutured piece; the driving unit drives the pushing piece to push the pushing piece The stitched element is advanced; a stitch unit is arranged on the body and is located on the pushing unit for fixing two stitches, and the needle point connection line of the two stitches and the advance direction of the stitched element are staggered, Two stitches are threaded through the pinholes of the two stitches, and the driving unit drives the two stitches to move up and down to sew two equally spaced stitches to the part to be sewn; and a hooking unit, which is set in the body It is located under the ejection unit and has two hook pieces opposite to the two stitches. The driving unit drives the two hook pieces to swing and respectively put two stitches on the needle holes of the two stitches for the stitches to move up and down in the hook state. In the stitches. 2. The double-needle sewing machine as described in item 1 of the scope of patent application, further comprising a handle, the handle is provided with a cable and a switch, and the cable is electrically connected to the switch and the drive unit. 3. The double-needle sewing machine as described in item 2 of the scope of patent application, further comprising a lubrication unit, which is arranged on the handle. The lubrication unit has a fuel tank, and one end of the fuel tank is provided with a cylinder rod. One end is provided with an oil pipe connected to the driving unit, the pushing unit, the needle unit and the thread hooking unit. Page 16 M246349 5. Scope of patent application 4, such as the scope of the patent application, the drive unit includes a motor and a small gear, a belt and the center hole of a large-tooth gear. The belt meshes with a transmission shaft and passes through it. In the machine sheet, one of the needle units and 5 needles, the thread frame unit includes a shelf plate in the scope of the patent application, 6, and the body is provided with two clip groups in the scope of the patent application. In the scope of the patent application, the body has a plurality of guides with limit holes adjacent to them, and is used to pass through and guide. 8. As in the scope of the patent application, the pusher unit includes a pressure plate spring, a dial and the pressure plate. The guide bar protrudes with a positioning block, and the paddle positioning block is provided on the guide bar. As described in the patent application, the ejection unit includes a push plate group horizontal guide bar and a guide block. A rotating rod is fixed on the body, the guide block is connected to the guide block and a push pin is fixed on the upper end of the rotating part. The speed reduction mechanism includes: a rotating shaft of the motor is fixedly connected to Small pinion and the large gear, the large gear to drive two hook piece pushes the pushing unit of the unit hook line. The double-needle sewing bag mouth machine described in the item, the frame plate assembly is provided with the shaft. The double-needle stitching bag mouth machine described in the item, the two stitches are clamped to maintain proper tension. In the double-needle bag sewing machine described in the item, in the two clip sets, the guides suture forward. The double-needle sewing bag mouth machine according to the item, wherein the tablet pressing group has a guide rod and an elastic sleeve, and the spring is pivoted on the body, and is set on the body, and the dial is pivoted on the top to move the end up and down. The double-needle stitch bag opening machine described in the above item, wherein the pushing piece set has a transverse guide piece, and the pushing piece is provided between the transverse guide piece and the transverse guide rod, and the mandrel is driven. In the drive unit, the lower and the M246349 along the advancing direction of the object to be sewn are rotated back and forth. 10. The double-needle bag sewing machine according to item 1 of the scope of patent application, wherein the needle unit includes a movable rod and a needle base, and a guide is provided at the upper end of the movable rod, and the guide has two A limiting hole is used for penetrating and guiding the suture forward. The middle section of the movable rod is pivotally arranged on the body. The lower end of the movable rod is fixed with the needle seat, and the needle seat is fixed with the two sewing needles for vertical movement. 1 1. The double-needle sewing machine as described in item 1 of the scope of patent application, wherein the thread hooking unit includes a pivot lever, a hook base and the two hook pieces, and one end of the pivot lever is pivotally connected to the body. For the shaft sleeve, the hook base is fixed at the other end of the pivot lever, and the two hook pieces are fixed at the hook base. The hook flap is swinging, retracting and retracting perpendicularly to the pivot lever. 1 2. The double-needle sewing bag mouth machine described in item 1 of the scope of patent application, further comprising a shearing unit having a fixed knife, a movable knife and a swing arm, the fixed knife is fixedly arranged In the machine body, the movable knife is fixed on one end of the swing arm, the fulcrum of the swing arm is pivoted on the machine body, and the other end of the swing arm is actuated by the guide plate of the pushing unit to move up and down, the movable knife and the fixed knife The blades make staggered relative movements. Page 18