CN211620822U

CN211620822U - Sewing machine

Info

Publication number: CN211620822U
Application number: CN201922499717.6U
Authority: CN
Inventors: 江国兵; 江志鑫; 金明
Original assignee: Zhejiang Yuanhong Textile Technology Co ltd
Current assignee: Zhejiang Yuanhong Textile Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-02
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to the technical field of needle spinning equipment, and aims to provide a sewing machine, which comprises a workbench, wherein the workbench is respectively provided with a rack and a thread stand; the wire frame comprises a supporting rod, and the supporting rod is sequentially provided with a wire passing frame, a lead frame and a wire coil frame from top to bottom; the wire coil frame is provided with a supporting table, a lead screw lifter is arranged below the supporting table of the wire coil frame, and the lead screw lifter comprises a lifting rod connected with the wire coil frame and a rotating handle for controlling the lifting of the lifting rod; one end of the bobbin holder is rotatably connected to the supporting rod around the axis of the supporting rod, two guide blocks are arranged on the workbench, arc-shaped sliding grooves which take the supporting rod as a circle center are formed in the opposite ends of the two guide blocks, a sliding block is arranged at the bottom of the lead screw lifter, and two sides of the sliding block are slidably positioned in the adjacent sliding grooves; the utility model discloses have the function of the adjustment line frame of being convenient for.

Description

Sewing machine

Technical Field

The utility model relates to a knitting equipment technical field, in particular to sewing machine.

Background

A sewing machine is a machine that uses one or more sewing threads to form one or more stitches in a material to be sewn, thereby interweaving or stitching one or more layers of material. Nowadays, the kinds of commodities are more and more diversified, and at the same time, the demand for the sewing machine is also more and more high.

Chinese patent document with publication number CN202744778U discloses a sewing machine thread stand structure in the prior art, which comprises a vertical support rod fixed on the sewing machine workbench, a wire bracket fixed at the bottom of the support rod, a lead frame arranged in the middle of the support rod, and a lead frame arranged at the top of the support rod, wherein one end of the lead frame is provided with a fixing hole, the side wall of the fixing hole is provided with a locking hole positioned by a screw, and the lead frame is hung with a lead ring.

The above prior art solutions have the following drawbacks: the lead frame, the lead frame and the wire bracket with the structure adopt a plurality of screw fastening modes, and the screws need to be loosened and tightened in a short time during actual installation and position adjustment, so that the waste of time is caused.

SUMMERY OF THE UTILITY MODEL

To overcome the disadvantages of the prior art, one of the objects of the present invention is to provide a sewing machine with a function of conveniently adjusting a thread stand.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a sewing machine comprises a workbench, wherein a rack and a thread stand are respectively arranged on the workbench; the wire frame comprises a supporting rod, and the supporting rod is sequentially provided with a wire passing frame, a lead frame and a wire coil frame from top to bottom; the wire coil frame is provided with a supporting table, a lead screw lifter is arranged below the supporting table of the wire coil frame, and the lead screw lifter comprises a lifting rod connected with the wire coil frame and a rotating handle for controlling the lifting of the lifting rod; one end of the bobbin holder is rotatably connected to the supporting rod around the axis of the supporting rod, two guide blocks are arranged on the workbench, two opposite ends of the guide blocks are provided with arc-shaped sliding grooves which take the supporting rod as a circle center, the bottom of the lead screw lifter is provided with a sliding block, and two sides of the sliding block are slidably positioned in the adjacent sliding grooves.

By adopting the technical scheme, the lifting rod can be controlled to lift by operating the rotating handle, and the lifting rod drives the bobbin loader to adjust the height position; the lead screw lifter drives the bobbin loader to rotate around the axial lead of the supporting rod through the sliding fit of the sliding block and the two guide blocks, so that the bobbin loader is adjusted in the horizontal direction.

The utility model discloses further set up to: the connecting position of the lifting rod and the bobbin bracket is positioned at the gravity center of the bobbin bracket.

Through adopting above-mentioned technical scheme, prevent that the bobbin loader from taking place deformation, the bobbin loader of being convenient for rotates around the bracing piece axis.

The utility model discloses further set up to: the lead frame comprises a fixed seat rotatably connected with the supporting rod, a lead rod arranged on the fixed seat and a lead assembly arranged on the lead rod, wherein a second wire hole is formed in the lead assembly; the supporting rod is characterized in that a lock hole is formed in the side wall of the supporting rod in a penetrating mode, a locking device is arranged on the fixing seat, and the locking device comprises a lock rod matched with the lock hole in an inserting mode.

Through adopting above-mentioned technical scheme, insert or extract the lockhole through locking device control locking lever to this comes to install or dismantle the simple operation to the lead frame.

The utility model discloses further set up to: the locking device further comprises a locking block arranged on the fixed seat, an accommodating cavity is formed in the locking block, a connecting hole connected with the accommodating cavity is formed in one end, facing the supporting rod, of the locking block, one end of the locking rod penetrates through the connecting hole and is located in the accommodating cavity, a baffle ring located in the accommodating cavity is sleeved on the side wall of the locking rod, an extrusion spring is movably sleeved on the side wall of the locking rod, two ends of the extrusion spring are respectively in extrusion contact with one end, away from the connecting hole, of the baffle ring and the inner wall of the accommodating cavity, and one end, located on the outer side of the locking block, of the locking rod is; the locking device is characterized in that a movable hole which is communicated with the accommodating cavity and extends towards the axial direction of the locking rod is formed in the side wall of the locking block, a handle which penetrates through the movable hole and is located on the outer side of the locking block is arranged on the side wall of the locking rod, and the handle moves along the extending direction of the movable hole.

Through adopting above-mentioned technical scheme, insert or extract the lockhole through handle control locking lever, extrude the spring simultaneously and can push the lockhole with the locking lever automatically, make the operation more convenient.

The utility model discloses further set up to: the lockhole is provided with a plurality of along bracing piece circumference.

Through adopting above-mentioned technical scheme, make the lead frame carry out position control along the horizontal direction.

The utility model discloses further set up to: the lead assembly comprises a rotating seat which is rotatably positioned at the tail end of the lead rod and a rotating rod which is fixedly connected to the rotating seat, and the second wire hole is formed in the rotating rod; and the rotating seat is in threaded connection with a compression bolt, and a screw rod of the compression bolt is in extrusion contact with the lead rod.

Through adopting above-mentioned technical scheme, can further adjust the position in first line hole through rotating the seat to rotate the seat and lock through housing bolt.

The utility model discloses further set up to: and the lead wire assembly is provided with a lead wire tube extending towards the rack at the second wire hole.

Through adopting above-mentioned technical scheme, the protection suture prevents that the personnel from touchhing the suture and producing the condition of kinking wire winding.

The utility model discloses further set up to: the wire passing frame is provided with a plurality of first wire holes at intervals along the length direction.

Through adopting above-mentioned technical scheme, the one end of the pencil of the first line book of placing on the saddle successively passes first line hole, second line hole, is connected with the frame again at last, has effectively controlled the emergence of kinking condition.

To sum up, the beneficial effects of the utility model are that:

1. the lifting rod can be controlled to lift by operating the rotating handle, and the lifting rod drives the line disc rack to adjust the height position; the lead screw lifter drives the bobbin loader to rotate around the axial lead of the supporting rod through the sliding fit of the sliding block and the two guide blocks, so that the bobbin loader is adjusted in the horizontal direction;

2. the lock rod is controlled to be inserted into or pulled out of the lock hole through the handle, and meanwhile, the extrusion spring can automatically push the lock rod into the lock hole, so that the operation is more convenient and faster.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of the entirety of A in FIG. 1;

fig. 3 is a partial structural schematic diagram of the present invention;

FIG. 4 is an enlarged schematic view at B in FIG. 3;

fig. 5 is a schematic structural diagram of the locking device of the present invention.

Reference numerals: 1. a work table; 11. a guide block; 111. a chute; 12. an arc hole; 13. a lock hole; 2. a frame; 3. a wire frame; 31. a support bar; 4. a bobbin holder; 41. a saddle; 5. a lead frame; 51. a fixed seat; 52. a wire-guiding rod; 53. a lead assembly; 531. a rotating seat; 532. rotating the rod; 5321. a second wire hole; 54. a lead tube; 55. a hold-down bolt; 6. a wire passing frame; 61. a first wire hole; 7. a screw rod lifter; 71. a lifting rod; 72. rotating the handle; 73. a slider; 81. a locking block; 811. an accommodating cavity; 812. connecting holes; 813. a movable hole; 82. a lock lever; 821. a baffle ring; 822. a compression spring; 823. a handle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a sewing machine, as shown in fig. 1, comprising a workbench 1, wherein a frame 2 and a thread stand 3 are respectively and fixedly connected to the workbench 1.

As shown in fig. 1 and 3, the wire frame 3 includes a support rod 31, the support rod 31 is sequentially provided with a wire frame 6, a lead frame 5, and a wire frame rack 4 from top to bottom, and the wire frame 6 is provided with a plurality of first wire holes 61 at intervals along the length direction. The bobbin loader 4 is fixedly connected with a supporting table 41 used for placing a bobbin, the bobbin loader 4 is provided with a lead screw lifter 7 below the supporting table 41, the lead screw lifter 7 comprises a lifting rod 71 connected with the bobbin loader 4 and a rotating handle 72 used for controlling the lifting of the lifting rod 71, and the connection position of the lifting rod 71 and the bobbin loader 4 is located at the gravity center of the bobbin loader 4. One end of the bobbin bracket 4 is rotatably connected to the supporting rod 31 around the axis of the supporting rod 31, two guide blocks 11 are fixedly connected to the workbench 1, circular-arc-shaped sliding grooves 111 with the supporting rod 31 as the center are formed in opposite ends of the two guide blocks 11, a sliding block 73 is fixedly connected to the bottom of the lead screw lifter 7, and two sides of the sliding block 73 are slidably positioned in the adjacent sliding grooves 111; the worktable 1 is provided with a support rod 31 as a circle center and an arc-shaped arc hole 12 for the movement of the lifting rod 71, which penetrates between the two sliding blocks 73. The lead screw lifter 7 lowers the rod to drive the bobbin 4 to adjust the height position, and the slider 73 is in sliding fit with the two guide blocks 11 to adjust the position of the bobbin 4 in the horizontal direction.

As shown in fig. 1 and 2, the lead frame 5 includes a fixed base 51 rotatably connected to the support rod 31, a lead rod 52 fixedly connected to the fixed base 51, and a lead assembly 53 disposed on the lead rod 52, wherein the lead assembly 53 includes a rotating base 531 rotatably positioned at the end of the lead rod 52, and a rotating rod 532 fixedly connected to the rotating base 531, the rotating rod 532 is provided with a plurality of second wire holes 5321, and the rotating rod 532 is fixedly connected to a lead tube 54 extending toward the frame 2 at the second wire holes 5321 for guiding the suture and preventing the suture from being entangled; a pressing bolt 55 is connected to the rotating base 531 in a threaded manner, and a screw of the pressing bolt 55 is in pressing contact with the lead rod 52 to lock the rotating base 531.

As shown in fig. 4 and 5, the side wall of the support rod 31 is provided with a lock hole 13, and the lock hole 13 is provided with a plurality of lock holes along the circumferential direction of the support rod 31; the fixing seat 51 is provided with a locking device, the locking device comprises a locking rod 82 in plug fit with the locking hole 13 and a locking block 81 fixedly connected to the fixing seat 51, an accommodating cavity 811 is formed in the locking block 81, one end of the locking block 81 facing the support rod 31 is provided with a connecting hole 812 connected with the accommodating cavity 811, one end of the locking rod 82 penetrates through the connecting hole 812 and is positioned in the accommodating cavity 811, a baffle ring 821 positioned in the accommodating cavity 811 is sleeved on the side wall of the locking rod 82, an extrusion spring 822 is movably sleeved on the side wall of the locking rod 82, two ends of the extrusion spring 822 are respectively in extrusion contact with one end of the baffle ring 821, which is far away from the connecting hole 812, and the inner wall of the accommodating cavity 811, and one end of the locking rod; the side wall of the locking block 81 is provided with a movable hole 813 which is communicated with the accommodating cavity 811 and extends towards the axial direction of the locking rod 82, the side wall of the locking rod 82 is provided with a handle 823 which passes through the movable hole 813 and is positioned at the outer side of the locking block 81, and the handle 823 moves along the extending direction of the movable hole 813.

The specific operation flow of this embodiment is as follows:

the wire coil is placed on the supporting table 41, and one end of the wire coil sequentially penetrates through the first connecting hole 812 and the second connecting hole 812 and is finally connected with the rack 2; the lifting rod 71 is controlled to lift by operating the rotating handle 72, and the lifting rod 71 drives the bobbin loader 4 to adjust the height position; the slide block 73 is in sliding fit with the two guide blocks 11, so that the lead screw lifter 7 drives the bobbin loader 4 to rotate around the axial lead of the support rod 31, and the bobbin loader 4 is adjusted in position in the horizontal direction; the lock lever 82 is matched with the lock hole 13 to control the lead frame 5 to adjust the position in the horizontal direction, and the rotating seat 531 is rotated to adjust the position of the second wire hole 5321 and is fastened by the pressing bolt 55.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A sewing machine comprises a workbench (1), wherein a rack (2) and a thread stand (3) are respectively arranged on the workbench (1); the method is characterized in that: the wire frame (3) comprises a support rod (31), and the support rod (31) is sequentially provided with a wire passing frame (6), a lead frame (5) and a wire coil rack (4) from top to bottom; the wire coil rack (4) is provided with a supporting table (41), a screw rod lifter (7) is arranged below the supporting table (41) of the wire coil rack (4), and the screw rod lifter (7) comprises a lifting rod (71) connected with the wire coil rack (4) and a rotating handle (72) for controlling the lifting rod (71) to lift; one end of the bobbin holder (4) is rotatably connected to the supporting rod (31) around the axis of the supporting rod (31), two guide blocks (11) are arranged on the workbench (1), a sliding groove (111) which takes the supporting rod (31) as a circle center and is arc-shaped is formed in one end, opposite to the two guide blocks (11), of the guide block, a sliding block (73) is arranged at the bottom of the lead screw lifter (7), and two sides of the sliding block (73) are slidably positioned in the adjacent sliding grooves (111).

2. The sewing machine of claim 1, wherein: the connecting position of the lifting rod (71) and the bobbin loader (4) is positioned at the gravity center of the bobbin loader (4).

3. The sewing machine of claim 1, wherein: the lead frame (5) comprises a fixed seat (51) rotatably connected with the support rod (31), a lead rod (52) arranged on the fixed seat (51), and a lead assembly (53) arranged on the lead rod (52), wherein a second wire hole (5321) is formed in the lead assembly (53); the utility model discloses a lock device, including bracing piece (31), fixing base (51), locking device, supporting rod (31) is equipped with lockhole (13) on the lateral wall through, be provided with locking device on fixing base (51), locking device includes and pegs graft complex locking lever (82) with lockhole (13).

4. The sewing machine of claim 3, wherein: the locking device further comprises a locking block (81) arranged on the fixed seat (51), an accommodating cavity (811) is formed in the locking block (81), a connecting hole (812) connected with the accommodating cavity (811) is formed in one end, facing the supporting rod (31), of the locking block (81), one end of the locking rod (82) penetrates through the connecting hole (812) and is located in the accommodating cavity (811), a blocking ring (821) located in the accommodating cavity (811) is sleeved on the side wall of the locking rod (82), an extrusion spring (822) is movably sleeved on the side wall of the locking rod (82), two ends of the extrusion spring (822) are respectively in extrusion contact with one end, far away from the connecting hole (812), of the blocking ring (821) and the inner wall of the accommodating cavity (811), and one end, located on the outer side of the locking block (81), of the locking rod (82) in an initial state is located in the locking hole; the locking piece (81) is provided with on the lateral wall and communicates with holding chamber (811) and towards locking lever (82) axial extension's activity hole (813), be provided with on locking lever (82) lateral wall and pass activity hole (813) and be located handle (823) in the locking piece (81) outside, handle (823) move along activity hole (813) extending direction.

5. The sewing machine of claim 4, wherein: the lock hole (13) is provided with a plurality of lock holes along the circumferential direction of the support rod (31).

6. The sewing machine of claim 3, wherein: the lead assembly (53) comprises a rotating seat (531) rotatably positioned at the tail end of the lead rod (52) and a rotating rod (532) fixedly connected to the rotating seat (531), and the second wire hole (5321) is formed in the rotating rod (532); the rotating seat (531) is in threaded connection with a pressing bolt (55), and a screw rod of the pressing bolt (55) is in extrusion contact with the lead rod (52).

7. The sewing machine of claim 3, wherein: the lead assembly (53) is provided with a lead tube (54) extending towards the frame (2) at the second wire hole (5321).

8. The sewing machine of claim 1, wherein: the wire passing frame (6) is provided with a plurality of first wire holes (61) at intervals along the length direction.