CN204455537U - The sewing device that multi-needle bar switches - Google Patents
The sewing device that multi-needle bar switches Download PDFInfo
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- CN204455537U CN204455537U CN201520090665.6U CN201520090665U CN204455537U CN 204455537 U CN204455537 U CN 204455537U CN 201520090665 U CN201520090665 U CN 201520090665U CN 204455537 U CN204455537 U CN 204455537U
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- shank
- sewing device
- rocker
- motor
- moving mechanism
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Abstract
The utility model discloses the sewing device that a kind of multi-needle bar switches.It comprises head, is arranged at the needle plate being provided with needle plate hole below head accordingly, and head comprises: frame; Shank assembly, it comprises the shank rocker that can be arranged in frame transverse shifting, is arranged on shank on shank rocker, the respectively corresponding multiple eedles be arranged on each shank one end with longitudinal movement, and multiple shank is vertically arranged and horizontal arranged; Longitudinal moving mechanism, it comprises and drives the driving shaft vertically moved, the drive block assembly be arranged on driving shaft by the first motor, described drive block assembly to expect that the shank of action connects to drive corresponding eedle to insert, depart from described needle plate hole; Transverse moving mechanism, it comprise the second motor, by described second motor-driven rotation the leading screw extended transversely, be arranged on described leading screw and the nut coordinated with threads of lead screw, described nut and shank rocker are fixedly connected to drive described shank rocker transverse shifting.
Description
Technical field
the utility model relates to a kind of sewing device, particularly a kind of can multi-needle bar switch sewing device.
Background technology
in prior art, Sewing machines generally includes by motor-driven upper axle, and upper axle drives a shank to move up and down by a link assembly.Shank penetrates needle plate hole when moving up and down, upper thread is coordinated with the bottom line be arranged on end shuttle and sews up fabric.Along with the raising of sewing process requirements, need to use the upper thread of different colours to sew on cloth, add the artificial thread-changing of man-hour requirement in sewing like this, complex operation, cause sewing working (machining) efficiency low.
chinese patent application CN201310312804.0 discloses a kind of multi-needle bar Sewing machines driving mechanism.It comprises installing plate and shank installing rack, installing plate is by support fixed electrical machinery, be connected with gear by motor, shank installing rack fixes the tooth bar be meshed with gear, is switched thus drive the every root shank of switching to move up and down by motor rotary drive needle bar frame.But in technique scheme, because the wheel and rack on motor is meshed certain matched in clearance, the time has been grown and had wearing and tearing, and precision is inadequate, easily causes needle bar frame fixing unstable.
chinese patent application CN201310292976.6 discloses a kind of driving mechanism for multi-needle bar Sewing machines.It installs by installing plate the air cylinder group that two cylinders connect formation, and cylinder two ends are connected with needle bar frame, are switched about needle bar frame by cylinder, thus drives the every root shank of switching to move up and down.But in technique scheme, lock needle bar frame by cylinder, because cylinder must work long hours, the piston packing of cylinder mechanism has wearing and tearing, thus affects precision, and the air pressure size of cylinder also can directly have influence on needle bar frame precision and stability simultaneously.
Summary of the invention
for the problems referred to above, the purpose of this utility model is to provide the sewing device that a kind of multi-needle bar switches, and it switches, and shank is conveniently stablized, precision is high, can be used for the sewing of the multicolor patterns such as two colored patterns, trichromatic diagram case.
for solving the problems of the technologies described above, the technical solution adopted in the utility model is:
the sewing device that multi-needle bar switches, comprise head, be arranged at the needle plate being provided with needle plate hole below head accordingly, described head comprises:
frame;
shank assembly, it comprises the shank rocker that can be arranged in described frame transverse shifting, is arranged on shank on described shank rocker, the respectively corresponding multiple eedles be arranged on each shank one end with longitudinal movement, and multiple described shank is vertically arranged and horizontal arranged;
longitudinal moving mechanism, it comprises and drives the driving shaft vertically moved, the drive block assembly be arranged on described driving shaft by the first motor, described drive block assembly to expect that the shank of action connects to drive corresponding eedle to insert, depart from described needle plate hole;
transverse moving mechanism, it comprise the second motor, by described second motor-driven rotation the leading screw extended transversely, be arranged on described leading screw and the nut coordinated with threads of lead screw, described nut and shank rocker are fixedly connected to drive described shank rocker transverse shifting.
preferably, described shank assembly also comprises the shank slide block be separately positioned on each shank, and described drive block assembly and each shank slide block are slidingly fitted and slide with relative each shank and to connect with the shank of expectation action.
more preferably, each described shank slide block all offers and extends transversely and run through the draw-in groove of shank slide block, each described draw-in groove can be connected to form the chute extended transversely, described longitudinal moving mechanism also comprises roller, described drive block assembly has the installation shaft of horizontal-extending, described roller is sheathed in installation shaft rotationally, and described roller is rollably plugged in chute, and the external diameter of described roller is not more than the length of described draw-in groove
further, described longitudinal moving mechanism also comprises and is fixedly installed on left rail in described frame and right guide rail, described left rail and right guide rail all extend transversely and lay respectively at the left and right sides of roller, described roller and the gap between left rail and right guide rail are less than the gap between adjacent two shanks, and described left rail, roller, right guide rail to be all plugged in described chute and can slide relatively.
preferably, described shank assembly also comprises the guide plate be fixedly installed on described shank rocker, is arranged at multiple guide pads on each shank respectively, described guide plate offers and each shank multiple guide groove extended longitudinally correspondingly, each guide pad can longitudinally be plugged in corresponding guide groove slidably respectively.
preferably, described transverse moving mechanism comprises the shaft coupling between output shaft and described leading screw being connected to described second motor.
preferably, whether this sewing device also comprises shank for verifying expectation action just to the positioning cylinder in needle plate hole, described positioning cylinder is arranged in frame, described shank rocker transversely offers multiple hole matched with the piston rod of positioning cylinder, each hole is just arranged a shank respectively, after the piston rod of described positioning cylinder can pass the hole expecting that the shank of action is just right, described driving shaft vertically moves.
preferably, described frame is fixedly installed the slide rail extended transversely, described shank rocker is slidably disposed on slide rail by slide block.
preferably, described leading screw is located in described frame rotationally.
preferably, described transverse moving mechanism also comprises the controller of the rotational angle for regulating the second motor.
the utility model adopts technique scheme, tool has the following advantages compared to existing technology: by the cooperation of feed screw nut, drive shank rocker transverse shifting, switching shank is conveniently stablized, precision is high, can be used for the sewing of the multicolor patterns such as two colored patterns, trichromatic diagram case.
Accompanying drawing explanation
fig. 1 is the structural representation of sewing device of the present utility model;
fig. 2 is the STRUCTURE DECOMPOSITION schematic diagram of sewing device of the present utility model.
wherein, 1, frame; 11, head shell; 12, gripper shoe; 13, rail brackets; 14, cylinder mounting plate; 15, leading screw support; 16, slide rail;
2, shank assembly; 20, shank rocker; 201, hole; 21, shank cover; 22, shank; 23, guide plate; 231, guide groove; 24, guide pad; 25, shank slide block; 251, draw-in groove; 26, eedle; 27, slide block;
3, assembly is vertically moved; 30, driving shaft; 31, drive block assembly; 311, body; 312, installation shaft; 32, roller; 33, left rail; 34, right guide rail;
4, transverse shifting assembly; 40, the second motor; 41, shaft coupling; 42, leading screw; 43, nut; 44, nut bracket; 45, bearing;
5, positioning cylinder.
Detailed description of the invention
below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, can be easier to be those skilled in the art will recognize that to make advantage of the present utility model and feature thus more explicit defining is made to protection domain of the present utility model.The vertical and horizontal addressed in the utility model correspond to the usual residing bearing definition ground of sewing device, particularly, longitudinally corresponds to the above-below direction in Fig. 1, laterally correspond to the left and right directions of Sewing machines.
fig. 1 and Figure 2 shows that a kind of sewing device carrying out multi-needle bar switching, it can be used for the sewing of the multicolor patterns such as two colored patterns, trichromatic diagram case, four colored patterns.It comprises head for installing eedle, correspondence is arranged at needle plate below head, provide the upper axle of power for head, needle plate offers needle plate hole.
as depicted in figs. 1 and 2, head comprises: frame 1; Shank assembly 2; Longitudinal moving mechanism 3; Transverse moving mechanism 4; Positioning cylinder 5.Wherein, longitudinal moving mechanism 3 drives expects that the shank of action vertically moves, transverse moving mechanism 4 drives shank assembly 2 transverse shifting to make the selected shank expecting action of longitudinal moving mechanism 3, and positioning cylinder 5 is for verifying that whether the shank of expectation action is just to needle plate hole.
frame 1 comprise be fixedly connected by screw head shell 11, gripper shoe 12, two rail bracketses 13, cylinder mounting plate 14 and the leading screw support 15 that distribute up and down.
shank assembly 2 comprises the shank rocker 20 that can be arranged in described frame 1, with longitudinal movement three shanks 22, the respectively correspondence be arranged on described shank rocker 20 transverse shifting and is arranged on three eedles 26 on each described shank 22 bottom, the guide plate 23 be fixedly installed on described shank rocker 20.Two rail bracketses 13 are fixedly installed respectively a slide rail extended transversely 16, each slide rail 16 is provided with a slide block 27 that can slide along it, shank rocker 20 is fixedly connected with by screw with two slide blocks 27, and shank rocker 20 is slidably disposed on two slide rails 16 by slide block 27.Three shanks 22 all vertically arrange and transversely alignment is a row, and each shank 22 is fixedly installed a guide pad 24, shank slide block 25 all from top to bottom.The upper and lower of shank rocker 20 is inserted with the shank cover 21 of three hollows respectively, and each shank 22 is located in about two corresponding shank covers 21 respectively with longitudinal movement.Guide plate 23 offers three with shank 22 guide groove 231 correspondingly, each guide pad 24 can be longitudinally plugged in corresponding guide groove 231 to lead to shank 22 slidably respectively, avoids shank 22 left and right skew in the process vertically moved.Each described shank slide block 25 all offers and extends transversely and run through the draw-in groove 251 of shank slide block 27, each described draw-in groove 251 can be connected to form the chute extended transversely.
longitudinal moving mechanism 3 comprises and drives the driving shaft 30 vertically moved, the drive block assembly 31 be arranged on described driving shaft 30 by the first motor, is fixedly installed on left rail 33 in gripper shoe 12 and right guide rail 34 and the roller between left rail 33 and right guide rail 34 32.Particularly, the first motor drives the upper axle of sewing device, and driving shaft 30 and the transmission of upper axle phase, driving shaft 30 is located in head shell 11 with longitudinal movement.Drive block assembly 31 comprises the body 311 be fixedly installed on driving shaft 30, from body 311 towards the installation shaft 312 of shank 22 horizontal-extending, roller 32 is sheathed in installation shaft 312 rotationally.Left rail 33 and right guide rail 34 all extend transversely, and left rail 33, roller 32, right guide rail 34 transversely alignment are a row.Left rail 33, roller 32, right guide rail 34 to be all plugged in chute and can slide relatively.The external diameter of roller 32 must be not more than the length being preferably less than draw-in groove 251, during to ensure that roller 32 drives the shank 22 of expectation action to vertically move, can not be plugged in contiguous draw-in groove 251 because roller 32 is excessive simultaneously, avoid driving adjacent shank 22 action together.Roller 32 and the gap between left rail 33 and right guide rail 34 are all less than the gap between adjacent shank 22, and remaining shank 22 drives due to unpowered therefore be parked in original position under the restriction of left rail 33 and right guide rail 34.
transverse moving mechanism 4 comprises the second motor 40, shaft coupling 41, drive the leading screw 42 extended transversely of rotation by described second motor 40, be arranged on described leading screw 42 and with the nut 43 of leading screw 42 threaded engagement.The shaft coupling 41 that shaft coupling 41 is connected between the output shaft of the second motor 40 and leading screw 42 drives leading screw 42 to rotate to make the second motor 40, and leading screw 42 to be located in rotationally in leading screw support 15 and to be connected with leading screw 42 support 15 by bearing 45.Nut 43 is fixedly connected to drive shank rocker 20 transverse shifting by nut 43 support that is fixedly connected with it and shank rocker 20, and nut 43 support and leading screw 42 support 15 are connected to be connected with leading screw 42 support 15 by transverse moving mechanism 4 further with being slidingly fitted.
transverse moving mechanism 4 also comprises the controller for controlling the second motor 40 rotational angle, thus controls the shift motion of shank rocker 20.No matter shank rocker 20 is provided with the shank 22 of two, three, four still more more numbers, connect leading screw 42 by the second motor 40 and drive shank rocker 20, the draw-in groove 251 of the shank slide block 25 on any one shank 22 can be made to be stuck on roller 32, thus to meet the sewing demand of two colored patterns, trichromatic diagram case, four colored patterns or more number pattern.
positioning cylinder 5 is arranged on the rail brackets 13 of below, and positioning cylinder 5 and shank 22 lay respectively at the not homonymy of shank rocker 20, both sides namely.Shank rocker 20 transversely offers three holes 201 matched with the piston rod of positioning cylinder 5, and each hole 201 is just arranged a shank 22 respectively.After the piston rod of positioning cylinder 5 can pass the hole 201 expecting that the shank 22 of action is just right, namely when the piston rod of positioning cylinder 5 is just to this hole 201, illustrate that the shank 22 of selected expectation action arrives its operating position, eedle 26 on this shank 22 is concentric with the needle plate hole on the needle plate of below, and driving shaft 30 vertically moves and drives eedle 26 to move up and down insertion and depart from needle plate hole to sew to cloth.
the course of work of the sewing device that multi-needle bar 22 of the present utility model switches is as follows:
under the driving of upper axle, driving shaft 30 longitudinally moves to roller 32 and maintains an equal level with left rail 33, right guide rail 34, and driving shaft 30 stops mobile.Second motor 40 drives leading screw 42 to rotate, nut 43 under the effect of screw thread with to transverse shifting, then shank rocker 20 transverse shifting, the relative left rail 33 of chute, roller 32, right guide rail 34 slides, three shanks 22 can in succession through position that roller 32 is just right, the i.e. operating position of shank 22, according to sewing demand, the eedle 26 of three shanks 22 is provided with the line of different colours or unlike material, when the shank 22 of the eedle 26 of the color selected with expectation is just to roller 32, second motor 40 is shut down, roller 32 is plugged in the draw-in groove 251 on selected eedle 26, the draw-in groove 251 of other eedles 26 is then stuck on left rail 33 or right guide rail 34.The piston rod of positioning cylinder 5 is driven to move towards shank rocker 20, if piston rod can penetrate above-mentioned selected eedle 26 for hole, then go up axle again to order about driving shaft 30 and vertically move, selected shank 22 moves up and down thereupon, and eedle 26 inserts and departs from needle plate hole to sew with selected line; If can not penetrate, then illustrate that shank 22 departs from operating position, the position restarting the second motor 40 pairs of shanks 22 adjusts.
above-described embodiment is only for illustrating technical conceive of the present utility model and feature; it is a kind of preferred embodiment; its object is to person skilled in the art can be understood content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this.All equivalences done according to Spirit Essence of the present utility model change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (10)
1. the sewing device that switches of multi-needle bar, comprise head, be arranged at the needle plate being provided with needle plate hole below head accordingly, it is characterized in that, described head comprises:
Frame;
Shank assembly, it comprises the shank rocker that can be arranged in described frame transverse shifting, is arranged on shank on described shank rocker, the respectively corresponding multiple eedles be arranged on each shank one end with longitudinal movement, and multiple described shank is vertically arranged and horizontal arranged;
Longitudinal moving mechanism, it comprises and drives the driving shaft vertically moved, the drive block assembly be arranged on described driving shaft by the first motor, described drive block assembly to expect that the shank of action connects to drive corresponding eedle to insert, depart from described needle plate hole;
Transverse moving mechanism, it comprise the second motor, by described second motor-driven rotation the leading screw extended transversely, be arranged on described leading screw and the nut coordinated with threads of lead screw, described nut and shank rocker are fixedly connected to drive described shank rocker transverse shifting.
2. sewing device according to claim 1, it is characterized in that: described shank assembly also comprises the shank slide block be separately positioned on each shank, described drive block assembly and each shank slide block are slidingly fitted and slide with relative each shank and to connect with the shank of expectation action.
3. sewing device according to claim 2, it is characterized in that: each described shank slide block all offers and extends transversely and run through the draw-in groove of shank slide block, each described draw-in groove can be connected to form the chute extended transversely, described longitudinal moving mechanism also comprises roller, described drive block assembly has the installation shaft of horizontal-extending, described roller is sheathed in installation shaft rotationally, and described roller is rollably plugged in chute, and the external diameter of described roller is not more than the length of described draw-in groove.
4. sewing device according to claim 3, it is characterized in that: described longitudinal moving mechanism also comprises and is fixedly installed on left rail in described frame and right guide rail, described left rail and right guide rail all extend transversely and lay respectively at the left and right sides of roller, described roller and the gap between left rail and right guide rail are less than the gap between adjacent two shanks, and described left rail, roller, right guide rail to be all plugged in described chute and can slide relatively.
5. sewing device according to claim 1, it is characterized in that: described shank assembly also comprises the guide plate be fixedly installed on described shank rocker, is arranged at multiple guide pads on each shank respectively, described guide plate offers and each shank multiple guide groove extended longitudinally correspondingly, each guide pad can longitudinally be plugged in corresponding guide groove slidably respectively.
6. sewing device according to claim 1, is characterized in that: described transverse moving mechanism comprises the shaft coupling between output shaft and described leading screw being connected to described second motor.
7. sewing device according to claim 1, it is characterized in that: whether this sewing device also comprises shank for verifying expectation action just to the positioning cylinder in needle plate hole, described positioning cylinder is arranged in frame, described shank rocker transversely offers multiple hole matched with the piston rod of positioning cylinder, each hole is just arranged a shank respectively, after the piston rod of described positioning cylinder can pass the hole expecting that the shank of action is just right, described driving shaft vertically moves.
8. sewing device according to claim 1, is characterized in that: described frame is fixedly installed the slide rail extended transversely, and described shank rocker is slidably disposed on slide rail by slide block.
9. sewing device according to claim 1, is characterized in that: described leading screw is located in described frame rotationally.
10. sewing device according to claim 1, is characterized in that: described transverse moving mechanism also comprises the controller of the rotational angle for regulating the second motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520090665.6U CN204455537U (en) | 2015-02-09 | 2015-02-09 | The sewing device that multi-needle bar switches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520090665.6U CN204455537U (en) | 2015-02-09 | 2015-02-09 | The sewing device that multi-needle bar switches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204455537U true CN204455537U (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520090665.6U Expired - Fee Related CN204455537U (en) | 2015-02-09 | 2015-02-09 | The sewing device that multi-needle bar switches |
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| Country | Link |
|---|---|
| CN (1) | CN204455537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674470A (en) * | 2015-02-09 | 2015-06-03 | 苏州翰德利机电科技有限公司 | Sewing device for multi-needle-rod switching |
-
2015
- 2015-02-09 CN CN201520090665.6U patent/CN204455537U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674470A (en) * | 2015-02-09 | 2015-06-03 | 苏州翰德利机电科技有限公司 | Sewing device for multi-needle-rod switching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20220209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |