CN217651427U - Sewing device capable of adjusting feeding speed - Google Patents

Abstract

The utility model relates to a sewing machine technical field, and disclose a sewing device of adjustable pay-off speed includes the bedstead, the bedstead be equipped with the cushion, the cushion is equipped with the backup pad, the backup pad is provided with the operation groove, the backup pad is equipped with the riser, the riser is equipped with the diaphragm, the diaphragm is equipped with the installation pipe, the installation pipe is equipped with the inserted bar, the inserted bar is equipped with the fixture block, installation pipe and inserted bar are equipped with expanding spring, the connecting plate is equipped with the grip block, the riser is equipped with micro motor, micro motor is equipped with the reel, the reel is equipped with the stay cord, stay cord and inserted bar top assembly, above-mentioned sewing device of adjustable pay-off speed has solved current drawing through the cooperation of stay cord and grip block and has been directed against the cloth atress, the cloth extends in the operation groove, influence the problem of operation.

Description

Sewing device capable of adjusting feeding speed

Technical Field

The utility model relates to a sewing machine technical field specifically is an adjustable feeding speed's sewing device.

Background

The sewing machine is a machine which uses one or more sewing threads to form one or more stitches on a sewing material to enable one or more layers of the sewing material to be interwoven or sewn, the sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like, and products such as leather, plastic, paper and the like, the sewn stitches are neat, beautiful, flat and firm, the sewing speed is high, the use is simple and convenient, and artistic forms such as hand-push embroidery computer embroidery and the like are derived.

The existing sewing machine realizes the adjustment of the feeding speed by changing the rotating speed and the frequency of the variable speed motor, but the existing sewing machine has the following problems in the using process:

when the existing sewing machine sews and mends the cloth, the guide needle on the sewing machine penetrates the cloth to the operation groove, so that the guide needle bears the stress on the cloth, the cloth extends towards the operation groove, and the operation is influenced, therefore, the sewing device which can adjust the feeding speed is necessary to be used in the technical field of the existing sewing machine.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To current draw to the cloth atress, the cloth extends toward operating the groove in, influences the problem of operation, the utility model provides a sewing device of adjustable feeding speed possesses the fixity that improves the cloth, avoids the cloth to extend toward operating the advantage in the groove to solve the problem that the background art provided.

(II) technical scheme

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides an adjustable feeding speed's sewing device, includes the bedstead, the fixed surface of bedstead be equipped with the cushion, fixed the being equipped with the backup pad on the cushion, the intermediate position of backup pad be provided with the operation groove, the fixed surface of backup pad be equipped with the riser, all fixed the being equipped with the diaphragm on the riser, the equal fixed mounting in bottom of diaphragm has the installation pipe, the equal movable mounting in bottom of installation pipe has the inserted bar, the inserted bar moves in the inside of installation pipe, the equal fixed mounting in bottom of inserted bar have the connecting plate, all be equipped with expanding spring on installation pipe and the inserted bar, expanding spring's both ends respectively with the bottom of connecting plate and diaphragm carry out fixed the assembly, the side symmetry of connecting plate fixed the being equipped with the grip block, the grip block is located the top both sides of operation groove, the riser on all fixed the being equipped with micro motor, micro motor's output activity runs through the riser to micro motor's output fixed the being equipped with the reel, the reel is located the top of diaphragm, the reel on all fixed the being equipped with the stay cord, the one end of stay cord all movably runs through the installation pipe to the one end of stay cord and the fixed mounting assembly of the top of the pole top of the inside, through the rolling and unreeling, realize the winding and unreeling between the connecting plate for change the connecting plate of stay cord.

Preferably, both ends of the bedstead all are provided with and rotate the groove, it all is equipped with the dwang to rotate the activity on the groove, the one end of dwang all movably runs through the bedstead, and the one end of dwang all is fixed to be equipped with drive gear, drive gear is located one side of bedstead, the winding has the chain on two drive gear, through the rotation of chain, makes two drive gear carry out the equidirectional rotation, the bedstead on fixed be equipped with L shape mounting bracket, fixed be equipped with variable speed motor on the L shape mounting bracket, variable speed motor's output activity runs through L shape mounting bracket, and variable speed motor's output and one of them drive gear carry out fixed assembly, fixed being equipped with respectively on two dwang puts the roller and receives the roller, put the roller and receive the roller and all be located and rotate the groove, put the roller with receipts roller winding have the cloth, the cloth is laminated on the surface of cloth and backup pad, the cloth is located between two connecting plates, and the cloth is located the below of grip block, makes things convenient for the connecting plate can not carry out the centre gripping to the cloth in-drop in-process of falling, only the grip block is being in the process of falling down to carry out the centre gripping, is convenient for mending.

Preferably, the surface of the bedstead is symmetrically and fixedly provided with vertical blocks, the vertical blocks are positioned on two sides of the vertical plate, the top of each vertical block is fixedly provided with an operating block, the inside of each operating block is provided with a rotating cavity, the bottom of each operating block is provided with a traction groove, the traction grooves are communicated with the rotating cavity, one end of each operating block is fixedly provided with an operating motor, the output end of each operating motor is fixedly provided with a lead screw, and the lead screw penetrates through the rotating cavity in a movable manner and rotates in the rotating cavity.

Preferably, the screw rod is movably assembled with a threaded sleeve, the threaded sleeve is located in the rotating cavity, a sliding block is fixedly assembled on the threaded sleeve and movably assembled with the traction groove, a sewing machine main body is fixedly assembled at the bottom of the sliding block and is located right above the operation groove, and the threaded sleeve is enabled to move in the traction groove under the rotation of the screw rod through the rotation of the screw rod.

Preferably, the bottom of the connecting plate is symmetrically and fixedly provided with clamping blocks, the clamping blocks are provided with clamping holes in a penetrating manner, the supporting plate is provided with assembling holes in a penetrating manner, the assembling holes are located below the clamping blocks, the surface of the bedstead is symmetrically and fixedly provided with air cylinders, the output ends of the air cylinders are fixedly provided with piston rods, the piston rods are located on one sides of the cushion blocks, and the piston rods are located below the supporting plate.

Preferably, when the fixture block and the assembly hole are movably assembled, the clamping hole is located below the support plate, the piston rod is clamped with the clamping hole in the fixture block, and the piston rod is clamped with the clamping hole in the fixture block through the starting cylinder, so that the piston rod is clamped with the clamping hole in the fixture block, the clamping effect of the clamping block on the cloth is improved, and the stability is improved.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses in sewing device of adjustable pay-off speed, start variable speed motor, under the transmission of two chains, make two drive gear carry out the equidirectional rotation, it conveniently removes to the direction of receiving the roller to put the roller, the pay-off of the cloth of being convenient for, simultaneously through the control to variable speed motor's rotational speed, can change the speed of pay-off, when cloth mending position removes the top in operation groove, under the support of backup pad, start micro motor, the reel unreels the stay cord, under expanding spring's reaction, make the grip block carry out the centre gripping to the both sides of mending position, be convenient for the mending of sewing machine main part, make the guide pin unable to the cloth atress, cause the cloth to extend toward the direction in operation groove, start operation motor, the thread bush is under the rotation of lead screw, make the sliding block remove in the pull groove, make things convenient for the sewing machine main part to change and put mending, reduce artifical the dislocation, and reduce cost.

2. The utility model discloses in sewing device of adjustable material feeding speed, through starting the cylinder for the piston rod carries out the joint to the card hole on the fixture block, has improved the centre gripping effect of grip block to the cloth, increase stability.

Drawings

FIG. 1 is a schematic view of the sewing machine with adjustable feeding speed of the present invention;

fig. 2 is a schematic view of a partial sectional structure of the sewing device with adjustable feeding speed of the present invention.

In the figure:

10. a bed frame; 11. a rotating groove; 12. rotating the rod; 13. placing the roller;

20. rolling; 21. distributing; 22. a transmission gear; 23. a chain;

30. an L-shaped mounting bracket; 31. a variable speed motor; 32. a cushion block; 33. a support plate;

40. an operation slot; 41. a vertical block; 42. an operation block; 43. operating the motor;

50. a sewing machine main body; 51. a vertical plate; 52. a transverse plate; 53. installing a pipe;

60. inserting a rod; 61. a tension spring; 62. a connecting plate; 63. a clamping block;

70. a micro motor; 71. a reel; 72. pulling a rope; 73. a clamping block;

80. clamping holes; 81. an assembly hole; 82. a cylinder; 83. a piston rod;

90. a rotation chamber; 91. a traction groove; 92. a screw rod; 93. a threaded sleeve; 94. and (4) a sliding block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-2, which is a structural schematic diagram of a feeding speed adjustable sewing device according to a preferred embodiment of the present invention, the feeding speed adjustable sewing device of the present embodiment includes a bed frame 10, a cushion block 32 is fixedly mounted on a surface of the bed frame 10, a support plate 33 is fixedly mounted on the cushion block 32, an operation groove 40 is disposed in a middle position of the support plate 33, a vertical plate 51 is symmetrically and fixedly mounted on a surface of the support plate 33, a horizontal plate 52 is fixedly mounted on the vertical plate 51, a mounting tube 53 is fixedly mounted on a bottom of the horizontal plate 52, an insertion rod 60 is movably mounted on a bottom of the mounting tube 53, the insertion rod 60 moves inside the mounting tube 53, a connecting plate 62 is fixedly mounted on a bottom of the insertion rod 60, a telescopic spring 61 is mounted on the mounting tube 53 and the insertion rod 60, two ends of the telescopic spring 61 are fixedly mounted on the connecting plate 62 and a bottom of the horizontal plate 52, a clamping block 63 is symmetrically and fixedly mounted on a side of the connecting plate 62, the clamping block 63 is disposed on two sides above the mounting groove 40, a micro motor 70 is fixedly mounted on the vertical plate 51, an output end of the micro motor 70 penetrates through the winding drum 71, and an output end of the winding drum 71 is mounted on the winding drum 72, and an output end of the winding drum 71 is mounted on the winding drum 71, and an end of the winding drum 71 is mounted on the winding drum 72.

The bed frame comprises a bed frame 10, and is characterized in that two ends of the bed frame 10 are respectively provided with a rotating groove 11, rotating rods 12 are movably assembled on the rotating grooves 11, one end of each rotating rod 12 movably penetrates through the bed frame 10, one end of each rotating rod 12 is fixedly assembled with a transmission gear 22, the transmission gear 22 is positioned on one side of the bed frame 10, chains 23 are wound on the two transmission gears 22, an L-shaped mounting frame 30 is fixedly assembled on the bed frame 10, a variable speed motor 31 is fixedly assembled on the L-shaped mounting frame 30, the output end of the variable speed motor 31 movably penetrates through the L-shaped mounting frame 30, the output end of the variable speed motor 31 is fixedly assembled with one of the transmission gears 22, an unwinding roller 13 and a winding roller 20 are respectively fixedly assembled on the two rotating rods 12, the unwinding roller 13 and the winding roller 20 are both positioned in the rotating grooves 11, the unwinding roller 13 and the winding roller 20 are wound with a fabric 21, the fabric 21 is attached to the surface of a supporting plate 33, the fabric 21 is positioned between two connecting plates 62, and the fabric 21 is positioned below a clamping block 63.

The surface of the bed frame 10 is symmetrically and fixedly provided with vertical blocks 41, the vertical blocks 41 are positioned on two sides of a vertical plate 51, the top of each vertical block 41 is fixedly provided with an operating block 42, a rotating cavity 90 is arranged inside the operating block 42, the bottom of the operating block 42 is provided with a traction groove 91, the traction groove 91 is communicated with the rotating cavity 90, one end of the operating block 42 is fixedly provided with an operating motor 43, the output end of the operating motor 43 is fixedly provided with a screw rod 92, the screw rod 92 movably penetrates through the rotating cavity 90, the screw rod 92 rotates in the rotating cavity 90, the screw rod 92 is movably provided with a threaded sleeve 93, the threaded sleeve 93 is positioned in the rotating cavity 90, a sliding block 94 is fixedly provided on the threaded sleeve 93, the sliding block 94 and the traction groove 91 are movably provided, the bottom of the sliding block 94 is fixedly provided with a sewing machine body 50, and the sewing machine body 50 is positioned right above the operating groove 40.

In this embodiment, the variable speed motor 31 is started, under the transmission of the two chains 23, the two transmission gears 22 rotate in the same direction, the unwinding roller 13 conveniently moves towards the winding roller 20, the feeding of the cloth 21 is facilitated, meanwhile, the feeding speed can be changed by controlling the rotation speed of the variable speed motor 31, when the sewing position of the cloth 21 moves above the operation groove 40, the micro motor 70 is started under the support of the support plate 33, the winding drum 71 unwinds the pull rope 72, under the reverse action of the extension spring 61, the clamping block 63 clamps two sides of the sewing position, the sewing of the sewing machine main body 50 is facilitated, the guide needle cannot bear force on the cloth 21, the cloth 21 extends towards the operation groove 40, the operation motor 43 is started, and the threaded sleeve 93 rotates under the rotation of the screw rod 92, the sliding block 94 moves in the traction groove 91, the sewing machine main body 50 is facilitated to change the position sewing, the labor is reduced, and the cost is reduced.

Example 2

As shown in fig. 1-2, which is a structural schematic diagram of a sewing device with adjustable feeding speed according to another preferred embodiment of the present invention, in order to further improve the clamping stability of the clamping block 63 to the cloth 21, on the basis of embodiment 1, the device is improved, the clamping blocks 73 are symmetrically and fixedly assembled at the bottom of the connecting plate 62, the clamping holes 80 are all arranged on the clamping blocks 73 in a penetrating manner, the assembly holes 81 are arranged on the supporting plate 33 in a penetrating manner, the assembly holes 81 are located below the clamping blocks 73, the air cylinders 82 are fixedly assembled on the surface of the bed frame 10 in a symmetrical manner, the output ends of the air cylinders 82 are fixedly assembled with the piston rods 83, the piston rods 83 are located on one side of the cushion blocks 32, and the piston rods 83 are located below the supporting plate 33, when the clamping blocks 73 and the assembly holes 81 are movably assembled, the clamping holes 80 are located below the supporting plate 33, and the piston rods 83 clamp the clamping holes 80 on the clamping blocks 73.

In this embodiment, by starting the cylinder 82, the piston rod 83 is clamped in the clamping hole 80 of the clamping block 73, so that the clamping effect of the clamping block 63 on the cloth 21 is improved, and the stability is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A sewing device with adjustable feeding speed comprises a bed frame (10),

the method is characterized in that:

the surface of the bed frame (10) is fixedly provided with a cushion block (32), the cushion block (32) is fixedly provided with a support plate (33), the middle position of the support plate (33) is provided with an operating groove (40), the surface of the support plate (33) is symmetrically and fixedly provided with a vertical plate (51), the vertical plate (51) is fixedly provided with a transverse plate (52), the bottom of the transverse plate (52) is fixedly provided with a mounting pipe (53), the bottom of the mounting pipe (53) is movably provided with an insertion rod (60), the insertion rod (60) moves inside the mounting pipe (53), the bottom of the insertion rod (60) is fixedly provided with a connecting plate (62), the mounting pipe (53) and the insertion rod (60) are respectively provided with a telescopic spring (61), two ends of the telescopic spring (61) are respectively and fixedly provided with the connecting plate (62) and the bottom of the transverse plate (52), the side surface of the connecting plate (62) is symmetrically and fixedly provided with clamping blocks (63), the clamping blocks (63) are positioned on two sides of the operating groove (40), the vertical plate (51) is fixedly provided with a micro motor (70), the movable end (71) of the micro motor (70) penetrates through the transverse plate (71), and the output end of the winding drum (71) is arranged on the winding drum, the winding drum (71) is fixedly provided with a pull rope (72), one end of the pull rope (72) movably penetrates through the installation pipe (53), and one end of the pull rope (72) is fixedly assembled with the top of the inserted link (60) inside the installation pipe (53).

2. A sewing machine with adjustable feed rate according to claim 1, wherein: the cloth clamping device is characterized in that rotating grooves (11) are formed in two ends of the bed frame (10), rotating rods (12) are movably assembled on the rotating grooves (11), one ends of the rotating rods (12) movably penetrate through the bed frame (10), transmission gears (22) are fixedly assembled at one ends of the rotating rods (12), chains (23) are wound on the two transmission gears (22), an L-shaped mounting frame (30) is fixedly assembled on the bed frame (10), variable speed motors (31) are fixedly assembled on the L-shaped mounting frame (30), the output ends of the variable speed motors (31) movably penetrate through the L-shaped mounting frame (30), the output ends of the variable speed motors (31) are fixedly assembled with one of the transmission gears (22), two rotating rods (12) are fixedly assembled with a placing roller (13) and a receiving roller (20) respectively, the placing roller (13) and the receiving roller (20) are located in the rotating grooves (11), the placing roller (13) and the receiving roller (20) are wound with cloth (21), the surface of the cloth (21) is attached to the supporting plate (33), and a cloth clamping connecting plate (62) is located below the cloth clamping block (63).

3. A feed speed adjustable sewing device according to claim 2, wherein: the surface symmetry of bedstead (10) fixed be equipped with perpendicular piece (41), perpendicular piece (41) are located the both sides of riser (51), the top of perpendicular piece (41) is fixed to be equipped with operation piece (42), the inside of operation piece (42) be provided with and rotate chamber (90), the bottom of operation piece (42) is provided with pull groove (91), pull groove (91) and rotation chamber (90) communicate, the one end fixed be equipped with operation motor (43) of operation piece (42), the output of operation motor (43) is fixed to be equipped with lead screw (92), lead screw (92) activity runs through in rotating chamber (90) to lead screw (92) rotate in rotating chamber (90).

4. A sewing machine with adjustable feed rate according to claim 3, wherein: the sewing machine is characterized in that a threaded sleeve (93) is movably assembled on the screw rod (92), the threaded sleeve (93) is located in the rotating cavity (90), a sliding block (94) is fixedly assembled on the threaded sleeve (93), the sliding block (94) is movably assembled with the traction groove (91), a sewing machine main body (50) is fixedly assembled at the bottom of the sliding block (94), and the sewing machine main body (50) is located right above the operation groove (40).

5. The sewing machine with adjustable feeding speed according to claim 4, wherein: the bed frame is characterized in that clamping blocks (73) are symmetrically and fixedly arranged at the bottoms of the connecting plates (62), clamping holes (80) are formed in the clamping blocks (73) in a penetrating mode, assembling holes (81) are symmetrically formed in the supporting plate (33) in a penetrating mode, the assembling holes (81) are located below the clamping blocks (73), air cylinders (82) are symmetrically and fixedly arranged on the surface of the bed frame (10), piston rods (83) are fixedly arranged at the output ends of the air cylinders (82), the piston rods (83) are located on one sides of the cushion blocks (32), and the piston rods (83) are located below the supporting plate (33).

6. The sewing machine with adjustable feeding speed according to claim 5, wherein: when the clamping block (73) is movably assembled with the assembling hole (81), the clamping hole (80) is positioned below the supporting plate (33), and the piston rod (83) is used for clamping the clamping hole (80) on the clamping block (73).

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