Sewing machine framework and sewing machine

Abstract

The sewing machine framework comprises a sewing machine arm module, a sewing machine supporting part module and a sewing machine base module, the sewing machine arm module comprises a transverse supporting arm, a supporting arm frame and a first connecting part, and the sewing machine supporting part module comprises a longitudinal supporting column and a hand wheel bracket connected with the top of the longitudinal supporting column. The sewing machine base module comprises an adjusting base, a motor bracket connected with one side of the adjusting base, and a fixing frame, the adjusting base comprises an upper support plate, a connecting plate, a lower support enclosure bulkhead, a spherical crown plate, a vertical moving wedge block, a horizontal moving wedge block and a displacement adjusting block, and the lower side of the lower support enclosure bulkhead is attached to and fixedly connected with the connecting plate; according to the sewing machine framework, the adjusting base is arranged, the strength of the sewing machine framework is greatly improved, meanwhile, the damping effect is achieved, the working efficiency is effectively improved, correction and proofreading can be conducted, and the working precision is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewing machines, in particular to a sewing machine frame and a sewing machine. Background Art

[0002] A sewing machine is a commonly used sewing equipment. It can usually use one or more sewing threads to form one or more stitches on the sewing material, so that one or more layers of sewing material can be interwoven or sewn together. The sewing machine can sew fabrics such as cotton, linen, silk, wool, and synthetic fibers, and products such as leather, plastic, and paper. The stitches are neat, beautiful, flat, and firm. The sewing speed is fast and the use is easy. It is widely used in the sewing industry.

[0003] In order to be lightweight, existing sewing machines generally use simple frames or spliced ​​frames, which are easily damaged and not durable. For example, CN210506773U mentions a shock-absorbing and sound-insulating sewing machine, which uses sound insulation covers A and B to soundproof the motor part and the sewing machine near the needle end, thereby reducing noise, and uses a shock-absorbing plate as a workbench to reduce the vibration of the sewing machine on the workbench when it is working.

[0004] The above-mentioned existing solutions have the following problems. However, the design of the sound insulation cover and the shock-absorbing plate makes the overall body unstable, resulting in a decrease in power and work efficiency. At the same time, vibration will cause deviations to the overall body, resulting in a decrease in work accuracy. Utility Model Content

[0005] The purpose of the utility model is to provide a sewing machine frame and a sewing machine to solve the above technical problems.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sewing machine skeleton, characterized in that it includes a sewing machine arm module, a sewing machine support module, and a sewing machine base module, wherein the sewing machine arm module includes a transverse support arm, a support arm frame connected to the transverse support arm, and a first connection part connected to one side of the transverse support arm, the sewing machine support module includes a longitudinal support column, a hand wheel bracket connected to the top of the longitudinal support column, the sewing machine base module includes an adjustment base, a motor bracket connected to one side of the adjustment base, and a fixing frame, the adjustment base includes an upper support plate, a connecting plate, a lower support wall, a spherical crown plate, a vertically movable wedge block, a horizontally movable wedge block, a displacement adjustment The spherical crown plate is located in the spherical crown groove above the vertical movable wedge block, and a rotating sliding plate is provided between the lower side of the spherical crown plate and the vertical movable wedge block. The upper support plate is located above the spherical crown plate and is fixedly connected to the target structure above it. The baffle plate is located on one side of the horizontal movable wedge block.

[0007] Preferably, the interior of the lower support wall is hollowed out to form a cavity, and an oblique sliding plate is arranged between the lower side of the horizontally movable wedge block and the inner wall of the cavity of the lower support wall, and a limiting sliding plate is respectively arranged between the horizontally movable wedge block and the inner wall of the cavity of the lower support wall; the displacement adjustment block includes a vertical displacement adjustment block and a horizontal displacement adjustment block, the vertical displacement adjustment block is located on the left side of the horizontally movable wedge block, a vertical sliding plate is arranged on the right side of the vertical displacement adjustment block, and the vertical displacement adjustment screw is fixedly connected to the left side, and the vertical displacement adjustment screw extends to the outer side of the lower support wall through the reserved hole of the lower support wall and is fixed with the vertical displacement locking nut, and the horizontal displacement adjustment block is located on the left side of the horizontally movable wedge block, and a horizontal sliding plate is arranged between the right side of the horizontal displacement adjustment block and the horizontally movable wedge block, and the horizontal displacement adjustment screw is fixedly connected to the left side, and the horizontal displacement adjustment screw extends to the outer side of the lower support wall through the reserved hole of the lower support wall and is fixed with the horizontal displacement locking nut.

[0008] Preferably, the horizontally movable wedge block has reserved space on the left and right sides to leave a movement range in the horizontal direction.

[0009] Preferably, the vertical displacement adjustment screw is marked with a displacement scale, which is determined according to a mapping relationship between the translational displacement of the vertical displacement adjustment screw determined by the vertical displacement adjustment requirement and the inclination of the wedge block and the displacement of the vertically movable wedge block; the horizontal displacement adjustment screw is marked with a displacement scale, which is determined according to a mapping relationship between the translational displacement of the horizontal displacement adjustment screw determined by the horizontal displacement adjustment requirement and the inclination of the wedge block and the displacement of the baffle.

[0010] Preferably, the transverse support arm and the longitudinal support column are fixedly connected by bolts.

[0011] Preferably, a handwheel for starting is provided on the handwheel bracket, and a driving motor is provided on the motor bracket.

[0012] Preferably, the connecting plates are fixedly connected by a plurality of high-strength bolts and bolt sleeves, and the high-strength bolts and bolt sleeves are evenly and symmetrically arranged along the cross section of the connecting plates.

[0013] Preferably, the support arm frame is symmetrically covered on both sides of the transverse support arm.

[0014] A sewing machine comprises a sewing machine frame, an upper head and a lower head, wherein the upper head is mounted on a first connecting portion, and the lower head is mounted on a sewing machine base module at a position adapted to the upper head.

[0015] Preferably, a storage box is also provided below the sewing machine base module.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] By setting up an adjustment base, an upper support plate, a connecting plate, a lower support wall, a spherical crown plate, a vertically movable wedge block, a horizontally movable wedge block, a displacement adjustment block and an adjusting screw, the strength of the overall sewing machine frame is further strengthened, and it also has a vibration reduction effect, effectively improving work efficiency, and can also perform corrections and proofreading, thereby improving work accuracy, being able to carry greater power, and being able to sew thicker fabrics. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 This is a schematic diagram of a sewing machine frame and a whole sewing machine according to the present embodiment;

[0020] Figure 2 is a side view schematic diagram of a sewing machine frame of the present embodiment;

[0021] Figure 3 is an overall schematic diagram of the adjustable base of this embodiment;

[0022] Figure 4 Schematic diagram of the transverse support arm frame of this embodiment.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1. Sewing machine arm module; 2. Sewing machine support module; 3. Sewing machine base module; 4. Horizontal support arm; 5. Support arm frame; 6. First connection part; 7. Longitudinal support column; 8. Hand wheel bracket; 9. Adjustment base; 10. Motor bracket; 11. Fixed frame; 12. Upper support plate; 13. Connecting plate; 14. Lower support wall; 15. Ball crown plate; 16. Vertical moving wedge block; 17. Horizontal moving wedge block; 18. Oblique sliding plate; 1 9. Limit sliding plate; 20. Vertical sliding plate; 21. Baffle; 22. Vertical displacement adjustment block; 23. Storage box; 24. Vertical displacement adjustment screw; 25. Vertical displacement locking nut; 26. Horizontal sliding plate; 27. Horizontal displacement adjustment screw; 28. Horizontal displacement adjustment nut; 29. ​​Hand wheel; 30. High-strength bolt; 31. Bolt sleeve; 32. Rotating sliding plate; 33. Horizontal displacement adjustment block; 34. Upper machine head; 35. Lower machine head. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-4The utility model provides a technical solution: a sewing machine skeleton, characterized in that it includes a sewing machine arm module 1, a sewing machine support module 2, and a sewing machine base module 3. The sewing machine arm module 1 includes a transverse support arm 4, a support arm frame 5 connected to the transverse support arm 4, and a first connection part 6 connected to one side of the transverse support arm 4. The sewing machine support module 2 includes a longitudinal support column 7 and a hand wheel bracket 8 connected to the top of the longitudinal support column 7. The sewing machine base module 3 includes an adjustment base 9, a motor bracket 10 connected to one side of the adjustment base 9, and a fixing frame 11. The adjustment base 9 includes an upper support plate 12, a connecting plate 13, a lower support wall 14, a spherical crown plate 15, a vertically movable wedge block 16, and a horizontally movable wedge The horizontal moving wedge block 17, the displacement adjustment block, and the lower side of the lower support wall 14 are attached and fixedly connected to the connecting plate 13. The horizontal moving wedge block 17 is located in the cavity of the lower support wall 14. The upper and lower sides of the horizontal moving wedge block 17 are both inclined surfaces. The vertical moving wedge block 16 is located above the horizontal moving wedge block 17. The lower side of the vertical moving wedge block 16 is an inclined surface corresponding to the upper side of the horizontal moving wedge block 17. The spherical crown plate 15 is located in the spherical crown groove above the vertical moving wedge block 16, and a rotating sliding plate 32 is arranged between the lower side of the spherical crown plate 15 and the vertical moving wedge block. The upper support plate 12 is located above the spherical crown plate 15, and is used to be fixedly connected to the target structure above it. The baffle 21 is located on one side of the horizontal moving wedge block 17.

[0027] Specifically, the interior of the lower support wall 14 is hollowed out to form a cavity, an oblique sliding plate 18 is arranged between the lower side of the horizontally movable wedge block 17 and the inner wall of the cavity of the lower support wall 14, and a limiting sliding plate 19 is respectively arranged between the horizontally movable wedge block 17 and the inner wall of the cavity of the lower support wall 14; the displacement adjustment block includes a vertical displacement adjustment block 22 and a horizontal displacement adjustment block 33, the vertical displacement adjustment block 22 is located on the left side of the horizontally movable wedge block, a vertical sliding plate 20 is arranged on the right side of the vertical displacement adjustment block 22, and a vertical displacement adjustment screw 24 is fixedly connected to the left side, and the vertical displacement adjustment screw 24 extends to the outer side of the lower support wall 14 through the reserved hole of the lower support wall 14 and is fixed with a vertical displacement locking nut 25, and the horizontal displacement adjustment block 33 is located on the left side of the horizontally movable wedge block 17, A horizontal sliding plate 26 is arranged between the horizontal displacement adjustment block 33 and the horizontal movable wedge block 17, and a horizontal displacement adjustment screw 27 is fixedly connected on the left side. The horizontal displacement adjustment screw 27 extends to the outer side of the lower support wall 14 through the reserved hole of the lower support wall 14 and is fixed with a horizontal displacement locking nut 28. Through the above arrangement, the wedge block is used to achieve a smaller force to pull or push a heavier load, and by adopting a modular design and assembly method, the wedge block is used to complete the vertical force conversion of the support, and the multi-directional displacement adjustment of the adjustment base 9 is realized, thereby strengthening the strength of the overall sewing machine frame while having a vibration reduction effect, effectively improving work efficiency, and can also perform corrections and proofreading, improve work accuracy, can carry greater power, and can sew thicker fabrics.

[0028] Specifically, the horizontally movable wedge block 17 has reserved spaces on the left and right sides to leave a movement stroke in the horizontal direction.

[0029] Specifically, the vertical displacement adjustment screw 24 is marked with a displacement scale, which is determined according to the mapping relationship between the translational displacement of the vertical displacement adjustment screw 24 determined by the vertical displacement adjustment requirement and the inclination of the wedge block and the displacement of the vertically movable wedge block 16. The horizontal displacement adjustment screw 27 is marked with a displacement scale, which is determined according to the mapping relationship between the translational displacement of the horizontal displacement adjustment screw 27 determined by the horizontal displacement adjustment requirement and the inclination of the wedge block and the displacement of the baffle. The wedge block is used to achieve pulling or pushing of heavier loads with smaller force.

[0030] Specifically, the transverse support arm 4 and the longitudinal support column 7 are fixedly connected by bolts. There are many parts on the transverse support arm 4 and the longitudinal support column 7. If they are disassembled in one piece, it will cause problems such as damage and loss of parts. The transverse support arm 4 and the longitudinal support column 7 are fixedly connected by bolts, which is more convenient for maintenance and disassembly.

[0031] Specifically, the handwheel bracket 8 is provided with a handwheel 29 for starting, and the motor bracket 10 is provided with a driving motor. By providing the handwheel 29 and the driving motor, the sewing machine can be controlled electrically and manually at the same time, which is suitable for different users.

[0032] Specifically, the connecting plate 13 is fixedly connected by a plurality of high-strength bolts 30 and bolt sleeves 31 , and the high-strength bolts 29 and the bolt sleeves 31 are evenly and symmetrically arranged along the cross section of the connecting plate 13 , so that the adjustment base 9 is more stable and can withstand a higher load.

[0033] Specifically, the support arm frame 5 symmetrically covers both sides of the transverse support arm 4, so that the transverse support arm 4 is more stable and less likely to be damaged due to excessive frequency during sewing.

[0034] The embodiment of the utility model also provides a sewing machine, including a sewing machine frame, and also including an upper head 34 and a lower head 35. The upper head 34 is installed on the first connecting part 6, and the lower head 35 is installed at a position on the sewing machine base module that is adapted to the upper head 34.

[0035] Specifically, a storage box 23 is provided below the sewing machine base module 3, and the storage box is provided for the convenience of users to place spare parts or needles and threads.

[0036] A specific application example of this embodiment is:

[0037] When the device is in use, when the sewing machine is working normally, at the bottom of the sewing machine frame, the vertical displacement locking nut 25 and the horizontal displacement locking nut 28 are close to the lower support wall 14 and are in a locked state, and the vertical displacement wedge block 16 retains a sufficient movement stroke in the vertical movement direction; the horizontal displacement wedge block 17 retains a sufficient movement stroke in the horizontal movement direction, which can better reduce the vibration of the sewing machine when it is working and carry more power;

[0038] After long-term operation, when the sewing machine needs to be adjusted, the vertical displacement locking nut 25 and the horizontal displacement locking nut 28 are adjusted to adjust the vertical movable wedge block 16 and the horizontal movable wedge block 17. The vertical movable wedge block 16 is vertically displaced, thereby driving the ball crown plate 15 and the upper support plate 12 to vertically displace, and the horizontal movable wedge block 17 is horizontally moved in the left and right directions, so that the baffle 21 is horizontally moved in the front and rear directions, thereby driving the upper support plate 12 to horizontally displace.

[0039] The utility model further strengthens the strength of the overall sewing machine skeleton by arranging an adjustment base 9, an upper support plate 12, a connecting plate 13, a lower support wall 14, a spherical crown plate 15, a vertically movable wedge block 16, a horizontally movable wedge block 17, and a displacement adjustment block, while also having a vibration reduction effect, effectively improving work efficiency, and can also perform corrections and proofreading, improve work accuracy, can carry greater power, and can sew thicker fabrics.

[0040] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0041] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0042] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that modifications may be made to the embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A sewing machine frame, characterized in that: It includes a sewing machine arm module, a sewing machine support module, and a sewing machine base module. The sewing machine arm module includes a transverse support arm, a support arm frame connected to the transverse support arm, and a first connection part connected to one side of the transverse support arm. The sewing machine support module includes a longitudinal support column and a handwheel bracket connected to the top of the longitudinal support column. The sewing machine base module includes an adjustment base, a motor bracket connected to one side of the adjustment base, and a fixing frame. The adjustment base includes an upper support plate, a connecting plate, a lower support wall, a spherical crown plate, a vertically movable wedge block, a horizontally movable wedge block, a displacement adjustment block, and a baffle. The lower side of the lower support wall is attached and fixed The connecting plate is connected, and the horizontally movable wedge block is located in the cavity of the lower support wall. The upper and lower sides of the horizontally movable wedge block are both inclined surfaces. The vertically movable wedge block is located above the horizontally movable wedge block, and the lower side of the vertically movable wedge block is an inclined surface corresponding to the upper side of the horizontally movable wedge block. The spherical crown plate is located in the spherical crown groove above the vertically movable wedge block, and a rotating sliding plate is provided between the lower side of the spherical crown plate and the vertically movable wedge block. The upper support plate is located above the spherical crown plate for being fixedly connected to the target structure above it. The baffle is located on one side of the horizontally movable wedge block.

2. A sewing machine frame according to claim 1, characterized in that: The interior of the lower support wall is hollowed out to form a cavity, and an oblique sliding plate is arranged between the lower side of the horizontally movable wedge block and the inner wall of the cavity of the lower support wall, and a limiting sliding plate is respectively arranged between the horizontally movable wedge block and the inner wall of the cavity of the lower support wall; the displacement adjustment block includes a vertical displacement adjustment block and a horizontal displacement adjustment block, the vertical displacement adjustment block is located on the left side of the horizontally movable wedge block, a vertical sliding plate is arranged on the right side of the vertical displacement adjustment block, and the left side is fixedly connected with the vertical displacement adjustment screw, and the vertical displacement adjustment screw extends through the reserved hole of the lower support wall to the outer side of the lower support wall and is fixed with the vertical displacement locking nut, and the horizontal displacement adjustment block is located on the left side of the horizontally movable wedge block, and a horizontal sliding plate is arranged between the right side of the horizontal displacement adjustment block and the horizontally movable wedge block, and the left side is fixedly connected with the horizontal displacement adjustment screw, and the horizontal displacement adjustment screw extends through the reserved hole of the lower support wall to the outer side of the lower support wall and is fixed with the horizontal displacement locking nut.

3. A sewing machine frame according to claim 2, characterized in that: The horizontally movable wedge block has reserved spaces on the left and right sides to leave a movement stroke in the horizontal direction.

4. A sewing machine frame according to claim 3, characterized in that: The vertical displacement adjustment screw is marked with a displacement scale, which is determined according to a mapping relationship between the translational displacement of the vertical displacement adjustment screw determined by the vertical displacement adjustment requirement and the inclination of the wedge block and the displacement of the vertically movable wedge block; the horizontal displacement adjustment screw is marked with a displacement scale, which is determined according to a mapping relationship between the translational displacement of the horizontal displacement adjustment screw determined by the horizontal displacement adjustment requirement and the inclination of the wedge block and the displacement of the baffle.

5. A sewing machine frame according to claim 1, characterized in that: The transverse support arm and the longitudinal support column are fixedly connected by bolts.

6. A sewing machine frame according to claim 1, characterized in that: The handwheel bracket is provided with a handwheel for starting, and the motor bracket is provided with a driving motor.

7. A sewing machine frame according to claim 1, characterized in that: The connecting plates are fixedly connected by a plurality of high-strength bolts and bolt sleeves, and the high-strength bolts and bolt sleeves are evenly and symmetrically arranged along the cross section of the connecting plates.

8. A sewing machine frame according to claim 1, characterized in that: The support arm frame is symmetrically covered on both sides of the transverse support arm.

9. A sewing machine, characterized in that: It comprises the sewing machine frame as described in any one of claims 1-8, and also comprises an upper head and a lower head, wherein the upper head is mounted on the first connecting portion, and the lower head is mounted on the sewing machine base module at a position adapted to the upper head.

10. A sewing machine according to claim 9, characterized in that: A storage box is also arranged below the sewing machine base module.

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