Suitcase sewing machine
Through the design of the stable components and limiting components, the problems of fabric wrinkles and needle position deviation are solved, and the stability and adaptability of the sewing machine are improved, and it is suitable for luggage sewing.
Patent Information
- Application Number
- CN202510853097.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-24
- Publication Date
- 2025-08-05
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
During the automatic loading process of existing sewing machines, the fabric is prone to wrinkle, lacks flattening components, and the fixed needle position leads to a deviation in the sewing position, which requires manual assistance to adjust.
The stability components, limiting components and feeding components are adopted, including U-shaped tooth plates, deflection gears, retarder motors, etc., and the stable conveying of fabrics and the position fixation of the needles are achieved by adjusting the screw and pull rods, combining the adjustment members and retarder motor to assist in the sewing of the bag.
It improves the stability and practicality of the sewing machine, ensures the accuracy of the sewing position and adapts to the conveying capacity of bags with different thicknesses, and reduces manual intervention.
Smart Images

Figure CN120425516A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of sewing machines, in particular to a bag sewing machine. Background Art
[0002] A sewing machine is a machine used to sew or mend clothes and fabrics. It usually consists of a body, a sewing head, an operating pedal and a bobbin. When the pedal is stepped on, the needle moves up and down through mechanical transmission. The thread is taken out of the bobbin through the cooperation of the thread drum and the thread wheel, and passed through the needle hole on the fabric to complete the needle and thread cycle.
[0003] The Chinese utility model patent with the announcement number CN222455464U discloses a presser foot lifting mechanism for a sewing machine. The output shaft of the motor drives the turntable to rotate, and the turntable rotation drives the connecting rod to move. The movable rod is movably connected with the connecting rod to follow the movement of the turntable. The movement of the movable rod drives the connecting cylinder, the pressure rod and the presser foot lifting mechanism to move along the trajectory of the turntable rotation, so as to move the sewing fabric, automatically refill the fabric, and improve the sewing efficiency.
[0004] Regarding the above-mentioned related technologies, the inventor believes that there are the following defects:
[0005] When the device is actually used, friction is used to drive the cloth to be automatically fed, but the other side of the cloth lacks a corresponding flattening component, which may cause wrinkles in the cloth during transportation. At the same time, the position of the needle is relatively fixed. During the sewing process, the position of the cloth needs to be limited. When the cloth lacks a limit, automatic sewing through the machine body is prone to sewing position deviation, which requires manual assistance and is troublesome. Summary of the Invention
[0006] In order to solve the above technical problems, the present invention provides a bag sewing machine.
[0007] The present invention is implemented by the following technical solution: a luggage sewing machine, including a sewing machine body, a limiting assembly installed on the right side of the sewing machine body, a limiting cylinder installed inside the sewing machine body, a needle installed inside the limiting cylinder through a bolt, the bottom of the sewing machine body is slidably connected to a base, a stabilizing assembly is installed inside the base, a supporting assembly is installed on the top of the base, and a feeding assembly is installed inside the supporting assembly.
[0008] The stabilizing component includes a U-shaped tooth plate, the surface of which is meshed with two deflection gears, a long rod is connected through the axis of the deflection gear, the surface of the long rod is sleeved with an abutment plate, and the internal thread of the U-shaped tooth plate is connected to an adjusting screw.
[0009] The feeding assembly includes two rotating rods, the outer sides of the two rotating rods are sleeved with pulleys, and the two pulleys are connected by a synchronous belt transmission. One end of one of the rotating rods is fixedly connected to a retarding motor, and the other end of the rotating rod is fixedly connected to a conveying roller.
[0010] As a further improvement of the above scheme, the limiting assembly includes a fixed plate fixedly connected to the right side of the sewing machine body, a vertical cylinder is connected to the interior of the fixed plate, a pull rod is slidably connected to the interior of the vertical cylinder, a sliding disk is sleeved on the surface of the pull rod, and the surface of the sliding disk and the inner wall of the vertical cylinder are connected by a reset spring, which is convenient for limiting the sewing machine body and adjusting the position of the needle.
[0011] As a further improvement of the above scheme, the support assembly includes a support plate fixedly connected to the top of the base, a fixed column fixedly connected to the right side of the support plate, a placement block fixedly connected to the right side of the fixed column, an adjusting member fixedly connected to the top of the placement block, an adjusting plate sleeved on the surface of the fixed column, the bottom of the adjusting plate fixedly connected to the top of the base, a lifting groove provided on the surface of the adjusting plate, a lifting plate slidingly connected to the interior of the lifting groove, a screw connected to the interior of the lifting plate through a screw thread, two rotating rods rotatably connected to the interior of the lifting plate, for adjusting the height of the feeding assembly to adapt to sewing work of bags of different thicknesses.
[0012] As a further improvement of the above scheme, deflection grooves are provided on the front and back sides of the base, the abutment plate is rotatably arranged inside the deflection groove, one end of the long rod is rotatably connected to the inner wall of the deflection groove, and a small bearing is installed on the surface of the long rod, and the small bearing is installed on the inner wall of the deflection groove, thereby ensuring the normal rotation of the abutment plate.
[0013] As a further improvement of the above scheme, a transmission groove is opened on the left side of the base, and the U-shaped tooth plate, deflection gear and adjusting screw are all installed inside the transmission groove. The bottom end of the adjusting screw is rotatably connected to the bottom of the inner wall of the transmission groove. A rotating bearing is installed on the surface of the adjusting screw, and the rotating bearing is installed on the top of the inner wall of the transmission groove. The top end of the adjusting screw is fixedly connected to a handwheel to facilitate the rotation of the adjusting screw.
[0014] As a further improvement of the above solution, sockets adapted to the pull rods are provided at equal intervals on the top of the base to facilitate the limiting and fixing of the pull rods.
[0015] As a further improvement of the above solution, two linear grooves are provided on the top of the base, and the front and back of the sewing machine body are fixedly connected with clips, which are slidably arranged inside the linear grooves to ensure the normal movement of the sewing machine body.
[0016] As a further improvement of the above solution, the bottom end of the screw is rotatably connected to the bottom of the inner wall of the lifting groove, and a mounting bearing is installed on the surface of the screw, which is installed on the top of the adjustment plate to ensure the normal rotation of the screw.
[0017] As a further improvement of the above scheme, the adjustment component includes a vertical plate fixedly connected to the top of the placement block, the internal thread of the vertical plate is connected to a small screw, one end of the small screw is rotatably connected to a limiting plate, and the surface of the limiting plate is fixedly connected to two guide rods, which are slidably arranged inside the vertical plate to facilitate adjustment of the abutment position of the luggage.
[0018] As a further improvement of the above solution, two vertical rods are provided through the interior of the U-shaped tooth plate, and the two ends of the vertical rods are fixedly connected to the top and bottom of the inner wall of the transmission groove, respectively, to ensure the normal movement of the U-shaped tooth plate.
[0019] Compared with the prior art, the present invention has the following beneficial effects:
[0020] 1. The present invention sets a stabilizing component. During the use of the device, the adjusting screw is first rotated to make the U-shaped tooth plate move in the vertical direction. The deflection gear is rotated by the meshing action of the U-shaped tooth plate, so that the long rod deflects the abutment plate, so that one side of the abutment plate abuts against the top of the workbench, making the device more stable when working, thereby improving the stability of the device during operation.
[0021] 2. The present invention is provided with a pull rod. Before use, the pull rod is first pulled to disengage the pull rod from the socket, and then the sewing machine body is pushed to move, the position of the limit cylinder is changed, and the needle is then installed inside the limit cylinder through a bolt. After the position of the needle is adjusted, the pull rod is released, and under the action of the reset spring, the pull rod is reinserted into the socket, so that the position of the sewing machine body is limited and fixed, thereby fixing the position of the needle, making it easier to change the position of the needle, and facilitating sewing work at different positions of luggage, thereby improving the practicality of the device.
[0022] 3. The present invention provides an adjusting component. During the process of sewing bags, the adjusting component can be limited and the small screw can be rotated to change the position of the limiting plate, so that when the device is sewing the bags, the bags can abut against the surface of the limiting plate. When the device is sewing, the bags can always abut against the limiting plate, thereby ensuring the stability of the sewing position during the sewing process.
[0023] 4. The present invention sets a retarding motor. When sewing, the retarding motor is started, and under the action of the two pulleys and the synchronous belt, the two rotating rods are rotated, so that the surfaces of the two conveying rollers abut against the surface of the luggage to convey the luggage, so that the device can assist in moving the luggage when performing sewing work.
[0024] 5. The present invention sets a screw. Before the retarder motor works, the screw is rotated according to the thickness of the luggage, so that the lifting plate moves in the vertical direction, thereby changing the position of the retarder motor and the two rotating rods, so that the surface of the conveying roller can abut against the surface of the luggage, making it convenient for the device to convey luggage of different thicknesses and improving the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 It is a schematic diagram of the structure of the present invention;
[0026] Figure 2 It is a structural schematic diagram of the deflection gear, the abutment plate and the adjustment screw rod of the present invention;
[0027] Figure 3 This is a schematic structural diagram of the adjusting plate, lifting plate and screw rod of the present invention;
[0028] Figure 4 This is a schematic structural diagram of the support plate, fixed column and adjustment member of the present invention;
[0029] Figure 5 It is a structural schematic diagram of the limiting cylinder and the needle of the present invention;
[0030] Figure 6 It is a schematic structural diagram of the vertical tube and the pull rod of the present invention.
[0031] Description of main symbols:
[0032] 1. Sewing machine body; 2. Limiting cylinder; 3. Base; 4. U-shaped tooth plate; 5. Deflection gear; 6. Abutment plate; 7. Adjusting screw; 8. Rotating rod; 9. Conveying roller; 10. Fixed plate; 11. Vertical cylinder; 12. Pull rod; 13. Needle; 14. Support plate; 15. Fixed column; 16. Placement block; 17. Adjusting member; 18. Adjusting plate; 19. Lifting plate; 20. Screw. DETAILED DESCRIPTION
[0033] The present invention will be further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.
[0034] Example:
[0035] Please combine Figure 1-6, a luggage sewing machine of this embodiment includes a sewing machine body 1, a limit assembly is installed on the right side of the sewing machine body 1, a limit cylinder 2 is installed inside the sewing machine body 1, a needle 13 is installed inside the limit cylinder 2 through a bolt, the bottom of the sewing machine body 1 is slidably connected to the base 3, the top of the base 3 is provided with two linear grooves, the front and back of the sewing machine body 1 are fixedly connected with a card strip, the card strip is slidably arranged inside the linear groove to ensure the normal movement of the sewing machine body 1, a stabilizing assembly is installed inside the base 3, a supporting assembly is installed on the top of the base 3, and a feeding assembly is installed inside the supporting assembly.
[0036] The support assembly is used to adjust the height of the feeding assembly to adapt to the sewing work of bags of different thicknesses. The support assembly includes a support plate 14 fixedly connected to the top of the base 3, a fixed column 15 is fixedly connected to the right side of the support plate 14, a placement block 16 is fixedly connected to the right side of the fixed column 15, and an adjusting member 17 is fixedly connected to the top of the placement block 16. The adjusting member 17 includes a vertical plate fixedly connected to the top of the placement block 16, the internal thread of the vertical plate is connected to a small screw rod, one end of the small screw rod is rotatably connected to the limit plate, and the surface of the limit plate is fixedly connected to two guide rods, which penetrate the sliding arrangement Inside the vertical plate, it is convenient to adjust the abutment position of the luggage. An adjusting plate 18 is sleeved on the surface of the fixed column 15. The bottom of the adjusting plate 18 is fixedly connected to the top of the base 3. A lifting groove is opened on the surface of the adjusting plate 18. The lifting groove is internally slidably connected with a lifting plate 19. The internal thread of the lifting plate 19 is connected to a screw 20. The bottom end of the screw 20 is rotatably connected to the bottom of the inner wall of the lifting groove. A mounting bearing is installed on the surface of the screw 20. The mounting bearing is installed on the top of the adjusting plate 18 to ensure the normal rotation of the screw 20. The two rotating rods 8 are rotatably connected to the inside of the lifting plate 19.
[0037] In order to facilitate the limiting of the sewing machine body 1 and the adjustment of the position of the needle 13, the limiting assembly includes a fixed plate 10 fixedly connected to the right side of the sewing machine body 1, a vertical cylinder 11 is connected to the interior of the fixed plate 10, and a pull rod 12 is slidably connected to the interior of the vertical cylinder 11. Sockets compatible with the pull rod 12 are provided at equal intervals on the top of the base 3 to facilitate the limiting and fixing of the pull rod 12. A sliding disk is sleeved on the surface of the pull rod 12, and the surface of the sliding disk and the inner wall of the vertical cylinder 11 are connected by a reset spring.
[0038] The stabilizing component is used to improve the stability of the device during operation. The stabilizing component includes a U-shaped tooth plate 4. Two vertical rods are provided inside the U-shaped tooth plate 4. The two ends of the vertical rods are fixedly connected to the top and bottom of the inner wall of the transmission groove, respectively, to ensure the normal movement of the U-shaped tooth plate 4. The surface of the U-shaped tooth plate 4 is meshed and connected to two deflection gears 5. A long rod is connected to the axis of the deflection gear 5. An abutment plate 6 is sleeved on the surface of the long rod. Deflection grooves are provided on the front and back of the base 3. The abutment plate 6 is rotatably provided inside the deflection groove. One end of the long rod is rotatably connected to the deflection groove. On the inner wall of the long rod, a small bearing is installed on the surface of the long rod, and the small bearing is installed on the inner wall of the deflection groove to ensure the normal rotation of the abutment plate 6. The internal thread of the U-shaped tooth plate 4 is connected with an adjusting screw 7. A transmission groove is opened on the left side of the base 3. The U-shaped tooth plate 4, the deflection gear 5 and the adjusting screw 7 are all installed inside the transmission groove. The bottom end of the adjusting screw 7 is rotatably connected to the bottom of the inner wall of the transmission groove. The surface of the adjusting screw 7 is installed with a rotating bearing, which is installed at the top of the inner wall of the transmission groove. The top of the adjusting screw 7 is fixedly connected with a handwheel, which is convenient for rotating the adjusting screw 7.
[0039] The feeding assembly facilitates the movement of auxiliary luggage. The feeding assembly includes two rotating rods 8. The outer sides of the two rotating rods 8 are both sleeved with pulleys. The two pulleys are connected by a synchronous belt transmission. One end of one of the rotating rods 8 is fixedly connected to a retarding motor, and one end of the rotating rod 8 is fixedly connected to a conveying roller 9.
[0040] The implementation principle of a luggage sewing machine in an embodiment of the present application is as follows: during the use of the device, the adjusting screw 7 is first rotated to make the U-shaped tooth plate 4 move in the vertical direction, and the deflection gear 5 is rotated by the meshing action of the U-shaped tooth plate 4, so that the long rod deflects the abutment plate 6, so that one side of the abutment plate 6 abuts against the top of the workbench, so that the device can be more stable when working, thereby improving the stability of the device during operation.
[0041] Before use, first pull the pull rod 12 to disengage the pull rod 12 from the socket, then push the sewing machine body 1 to move, change the position of the limit cylinder 2, and then install the needle 13 inside the limit cylinder 2 through the bolt. After adjusting the position of the needle 13, release the pull rod 12, and under the action of the reset spring, the pull rod 12 is reinserted into the inside of the socket, so that the position of the sewing machine body 1 is limited and fixed, thereby fixing the position of the needle 13, so that the device can more conveniently change the position of the needle 13, facilitate sewing work at different positions of luggage, and improve the practicality of the device.
[0042] During the process of sewing bags, an adjustment member 17 can be set to limit the position, and the small screw rod can be rotated to change the position of the limit plate, so that when the device is sewing the bags, the bags can abut against the surface of the limit plate, so that when the device is sewing, the bags can always abut against the limit plate, ensuring the stability of the sewing position during the sewing process.
[0043] When sewing, the slow-speed motor is started, and under the action of the two pulleys and the synchronous belt, the two rotating rods 8 are rotated, so that the surfaces of the two conveying rollers 9 abut against the surface of the luggage to convey the luggage, so that the device can assist in moving the luggage when performing sewing work.
[0044] Before the retarder motor works, the screw 20 is rotated according to the thickness of the bag to move the lifting plate 19 in the vertical direction, thereby changing the position of the retarder motor and the two rotating rods 8, so that the surface of the conveying roller 9 can abut against the surface of the bag, making it convenient for the device to convey bags of different thicknesses and improving the applicability of the device.
[0045] The above embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and replacements made by technicians in this field on the basis of the present invention fall within the scope of protection required by the present invention.
Claims
1. A luggage sewing machine, characterized in that: The invention comprises a sewing machine body (1), a limiting assembly is installed on the right side of the sewing machine body (1), a limiting cylinder (2) is installed inside the sewing machine body (1), a needle (13) is installed inside the limiting cylinder (2) via a bolt, a base (3) is slidably connected to the bottom of the sewing machine body (1), a stabilizing assembly is installed inside the base (3), a supporting assembly is installed on the top of the base (3), and a feeding assembly is installed inside the supporting assembly; The stabilizing component includes a U-shaped tooth plate (4), the surface of the U-shaped tooth plate (4) is meshedly connected to two deflection gears (5), a long rod is connected through the axis of the deflection gear (5), the surface of the long rod is sleeved with an abutment plate (6), and the internal thread of the U-shaped tooth plate (4) is connected to an adjusting screw rod (7); The feeding assembly comprises two rotating rods (8), the outer sides of the two rotating rods (8) are sleeved with pulleys, the two pulleys are connected by a synchronous belt transmission, one end of one of the rotating rods (8) is fixedly connected to a retarding motor, and the other end of the rotating rod (8) is fixedly connected to a conveying roller (9).
2. A bag sewing machine according to claim 1, characterized in that: The limiting assembly comprises a fixed plate (10) fixedly connected to the right side of the sewing machine body (1); a vertical cylinder (11) is connected to the interior of the fixed plate (10); a pull rod (12) is slidably connected to the interior of the vertical cylinder (11); a sliding disk is sleeved on the surface of the pull rod (12); and the surface of the sliding disk and the inner wall of the vertical cylinder (11) are connected via a reset spring.
3. A bag sewing machine as claimed in claim 2, characterized in that: The support assembly comprises a support plate (14) fixedly connected to the top of the base (3), a fixed column (15) fixedly connected to the right side of the support plate (14), a placement block (16) fixedly connected to the right side of the fixed column (15), an adjustment member (17) fixedly connected to the top of the placement block (16), an adjustment plate (18) sleeved on the surface of the fixed column (15), the bottom of the adjustment plate (18) fixedly connected to the top of the base (3), a lifting groove opened on the surface of the adjustment plate (18), a lifting plate (19) slidably connected to the interior of the lifting groove, a screw (20) threadedly connected to the interior of the lifting plate (19), and two rotating rods (8) rotatably connected to the interior of the lifting plate (19).
4. A bag sewing machine as claimed in claim 3, characterized in that: The front and back sides of the base (3) are both provided with deflection grooves, the abutment plate (6) is rotatably arranged inside the deflection groove, one end of the long rod is rotatably connected to the inner wall of the deflection groove, a small bearing is installed on the surface of the long rod, and the small bearing is installed on the inner wall of the deflection groove.
5. A bag sewing machine as claimed in claim 4, characterized in that: A transmission groove is provided on the left side of the base (3), and the U-shaped tooth plate (4), the deflection gear (5) and the adjusting screw (7) are all installed inside the transmission groove. The bottom end of the adjusting screw (7) is rotatably connected to the bottom of the inner wall of the transmission groove. A rotary bearing is installed on the surface of the adjusting screw (7), and the rotary bearing is installed on the top of the inner wall of the transmission groove. The top end of the adjusting screw (7) is fixedly connected to a hand wheel.
6. A bag sewing machine as claimed in claim 5, characterized in that: Sockets adapted to the pull rods (12) are provided at equal intervals on the top of the base (3).
7. A bag sewing machine as claimed in claim 6, characterized in that: Two linear grooves are provided on the top of the base (3); the front and back sides of the sewing machine body (1) are fixedly connected with clamping strips, which are slidably arranged inside the linear grooves.
8. A bag sewing machine as claimed in claim 7, characterized in that: The bottom end of the screw rod (20) is rotatably connected to the bottom of the inner wall of the lifting groove, and a mounting bearing is installed on the surface of the screw rod (20), and the mounting bearing is installed on the top of the adjustment plate (18).
9. A bag sewing machine as claimed in claim 8, characterized in that: The regulating member (17) comprises a vertical plate fixedly connected to the top of the placement block (16); a small screw is connected to the internal thread of the vertical plate; one end of the small screw is rotatably connected to the limit plate; two guide rods are fixedly connected to the surface of the limit plate; the guide rods are slidably arranged inside the vertical plate.
10. The bag sewing machine according to claim 9, characterized in that: Two vertical rods are provided inside the U-shaped tooth plate (4), and the two ends of the vertical rods are respectively fixedly connected to the top and bottom of the inner wall of the transmission groove.
Citation Information
Patent Citations
Presser foot lifting mechanism of sewing machine
CN222455464U