CN201045167Y

CN201045167Y - Multiheaded embroidery machine

Info

Publication number: CN201045167Y
Application number: CNU2007201465942U
Authority: CN
Inventors: 片冈干男
Original assignee: Barudan Co Ltd
Current assignee: Barudan Co Ltd
Priority date: 2006-08-25
Filing date: 2007-05-31
Publication date: 2008-04-09
Anticipated expiration: 2017-05-31
Also published as: JP3176348U

Abstract

The technical problems that the utility model solves are that using standard components rejects a main shaft to twist and using economical construction increases the number of sewing heads. In the utility model, 21 to 70 sewing heads which are parallelly provided with 3 to 15 needles are transversely and parallelly arranged into a line on a rack (2) of a multiple head embroidery machine (1), the head center distances of the sewing heads (3) are set as 135 millimeters to 400 millimeters. The front side of the rack (2) is provided with a main shaft (4) which runs through all the sewing heads (3), the rear side of the rack (2) is provided with two motors (12), output shafts (13) of the motors (12) are arranged among a belt wheel (14), a transmission belt (15) and a belt wheel (16) to be connected with two ends of the main shaft (4).

Description

Multiheaded embroidery machine

Technical field

The relevant multiheaded embroidery machine that on frame, is set up in parallel a plurality of sewing heads of the present invention.

Background technology

This embroidery machine, general owing to be main shaft drives shank and the cantilever that utilizes whole sewing heads common, so exist the increase along with sewing head quantity (number), main shaft is elongated, make the embroidery precision uneven because of main shaft reverses, perhaps produce the problem of noise and vibration.Therefore, the someone had proposed by changing the power transmission location of spindle drive motor, to suppress the technology that main shaft reverses in the past.For example, the power a motor described in the patent documentation 1 is transferred to the technology of main shaft central portion and the technology that the power of two motors is transferred to the main shaft both ends.

Patent documentation 1: the spy opens flat 8-243287 communique

Summary of the invention

[problem that needs solution]

, this technology makes main shaft become longer owing to only be conceived to the power transmission location so increase a number, has weakened the effect that inhibition is reversed thereupon.For this reason, can not use the main shaft of the standard diameter of axle, and need to use, but also need to use the side power transmission member such as motor, big-diameter bearing, large scale belt pulley and transmission belt of the high-output power that is complementary with this main shaft than the thick main shaft of standard main shaft or at the main shaft (with reference to patent documentation 1) of basic end overstriking.Therefore, for example when exploitation surpasses 30 such multiheaded embroidery machines, just exist the problem that increases new buying number of fitting parts, increases more production costs.

The objective of the invention is to, provide to solve above-mentioned problem, use standard fitting to suppress main shaft and reverse, increase the multiheaded embroidery machine of sewing head quantity with the formation of economy.

[solving the means of problem]

In order to solve above-mentioned problem, first kind of multiheaded embroidery machine of the present invention, it is characterized in that, 21～70 sewing heads that are set up in parallel 3～15 pins, centre-to-centre spacing with 135～400mm is set as row side by side on frame, whole common main shafts of sewing head are by two motor-driven that are connected with the both ends of this main shaft.

Second kind of multiheaded embroidery machine of the present invention, it is characterized in that,, on frame, be set as row side by side with the centre-to-centre spacing of 160～400mm 11～30 sewing heads that are set up in parallel 3～15 pins, whole common main shafts of sewing head are by a motor-driven that is connected with the central portion of this main shaft.

The third multiheaded embroidery machine of the present invention, it is characterized in that, 51～70 sewing heads that are set up in parallel 3～15 pins, centre-to-centre spacing with 135～400mm is set as row side by side on frame, whole common main shafts of sewing head are by three motor-driven that are connected with central portion with the both ends of this main shaft.

Here, a centre-to-centre spacing of sewing head, embroidery machine for the use of commercialization, be at the motor that uses standard output power and the main shaft of the standard diameter of axle, and with the corresponding loading condiction of a number under, the torsion angle that produces when calculating makes main axis rotation, and be controlled at according to result of calculation that the main axis length of feasible value when following calculate.According to this computational methods, a number is many more, and a centre-to-centre spacing is more little, by calculating and corresponding number of motors of a number and power transmission location (link position of motor and main shaft), and just can be in the hope of meeting a practical centre-to-centre spacing that requires.

[invention effect]

Utilize multiheaded embroidery machine of the present invention, because a centre-to-centre spacing of sewing head can be set according to this quantity and the quantity and the power transmission location of motor, so when embroidering the head number more for a long time, the length of main shaft can not become so long with the increase of sewing head number.Therefore, have and to use standard fitting inhibition main shaft to reverse, increase the effect of sewing head quantity with the formation of economy.

The accompanying drawing simple declaration

Fig. 1 is the front view of the multiheaded embroidery machine of the expression embodiment of the invention one.

Fig. 2 is the vertical view of this embroidery machine main shaft drives mechanism of expression.

Fig. 3 is the vertical view of expression embodiment two multiheaded embroidery machine main shaft drives mechanisms.

Fig. 4 is the vertical view of expression embodiment three multiheaded embroidery machine main shaft drives mechanisms.

Fig. 5 is the vertical view of expression embodiment one modification.

The explanation of symbol

1 multiheaded embroidery machine (embodiment one)

2 frames

3 sewing heads

4 main shafts

12 motors

21 multiheaded embroidery machines (embodiment two)

22 motors

31 multiheaded embroidery machines (embodiment three)

32 motors

The specific embodiment

Below with reference to the accompanying drawings the invention process form is described.As shown in Figure 1, arrange on the frame 2 of multiheaded embroidery machine 1 a plurality of sewing heads 3 are set, each 3 shank 5 and cantilever 6 are driven by whole 3 common main shafts 4.The downside of sewing head 3 is provided with 7, with 7 roughly the same height on be provided with workbench 8, what the maintenance processing cloth that can all around move was installed on the workbench 8 makes frame 9.And workbench 8 right parts dispose operation board 10, and the downside of workbench 8 is provided with control panel 11.

Sewing head 3 is for being set up in parallel 5～9 pins, and be the spininess head that one of them pin of replaceable selection is delivered to sewing position, a plurality of heads laterally are set as row side by side on frame 2, according to its quantity, a centre-to-centre spacing of 3 and the quantity and the power transmission location of spindle drive motor are set in accordance with the following methods.The quantity of sewing head is many more, the length of spininess embroidery machine is long more, in order to control this length as far as possible, need to be set up in parallel thick and fast sewing head as far as possible, at this moment, for the sewing head 3 that is set up in parallel 5 pins, the lateral dimension of a centre-to-centre spacing is 135mm, for the sewing head 3 that is set up in parallel 9 pins, the lateral dimension of a centre-to-centre spacing is 240mm.A following centre-to-centre spacing is considered the intensive centre-to-centre spacing when being set up in parallel this sewing head of trying one's best, and will control that it is not excessive.The quantity of the pin that is set up in parallel on the sewing head 3 both can be 3～4, also can be 10～15.

(1) have the multiheaded embroidery machine 1 of 31～50 above-mentioned sewing heads 3, wherein, a centre-to-centre spacing of 3 is made as 135～300mm, and (the power transmission location that is preferably 135～240mm), two motors 12 is located at the both ends (embodiment one) of main shaft 4.The quantity of sewing head 3 both can be 21～30, also can be 51～70.In addition, a centre-to-centre spacing of 3 also can be 300～400mm.

(2) have the multiheaded embroidery machine 21 of 11～30 above-mentioned sewing heads 3, wherein, a centre-to-centre spacing of 3 is made as 160～300mm, and (the power transmission location that is preferably 160～240mm), motor 22 is located at the central portion (embodiment two) of main shaft 4.A centre-to-centre spacing of 3 also can be 300～400mm.

(3) have the multiheaded embroidery machine 31 of 51～70 above-mentioned sewing heads 3, wherein, a centre-to-centre spacing of 3 is made as 135～300mm, and (the power transmission location that is preferably 135～240mm), three motors 32 is located at the both ends and the central portion (embodiment three) of main shaft 4.A centre-to-centre spacing of 3 also can be 300～400mm.

[embodiment one]

As shown in Figure 2,1,31～50 above-mentioned sewing heads 3 of the multiheaded embroidery machine of embodiment one (5～9 pins) laterally are set as row with the equal centre-to-centre spacing (P1) of 135～300mm side by side in the front of frame 2.Main shaft 4 connects whole 3 and extends configuration, and is driven by two motors 12.Motor 12 is located at the rear side of frame 2, and its output shaft 13 is connected between belt pulley 14, transmission belt 15 and the both ends of belt pulley 16 with main shaft 4.The diameter of axle of main shaft 4 for example is  20mm, and the power output of motor 12 for example is 1.5kW (1.5kJ/s), comprises

belt pulley

14 and 16 and each dynamical system accessory of transmission belt 15 uses is standard fitting for existing embroidery machine design.

Utilize the multiheaded embroidery machine 1 of present embodiment, because a centre-to-centre spacing (P1) of sewing head 3 is made as 135～300mm, so can count the recruitment that increase causes the length of main shaft 4 than suppress excuse shortly.And,,, can make reversing of main shaft 4 reduce half so compare with one-sided type of drive owing to be the both ends that the power of two motors 12 are transferred to main shaft 4.Therefore, the standard fitting that the driving of main shaft 4 system can use existing embroidery machine to use, thus can make the most nearly 50 multiheaded embroidery machine 1 more economically.

In addition, (135～240mm) words for example that the centre-to-centre spacing (P1) of sewing head 3 is set is especially little, if will be as example enforcement two down, the words that the output shaft 23 of motor 22 is connected with the central portion of main shaft 4, so sometimes must enlarge a centre-to-centre spacing of its central portion, and utilize embodiment one, have the advantage that need not carry out this expansion.

[embodiment two]

As shown in Figure 3,21,11～30 above-mentioned sewing heads 3 of the multiheaded embroidery machine of embodiment two (5～9 pins) laterally are set as row with the equal centre-to-centre spacing (P2) of 160～300mm side by side in the front of frame 2.Main shaft 4 connects whole 3 and extends configuration, and is driven by a motor 22.Motor 22 is arranged on the central portion back side of frame 2, and its output shaft 23 is connected between belt pulley 24, transmission belt 25 and the central portion of belt pulley 26 with main shaft 4.Identical with embodiment one, comprise main shaft 4, motor 22,

belt pulley

24 and 26 and each dynamical system accessory of transmission belt 25 can use standard fitting into existing embroidery machine design.

Utilize the multiheaded embroidery machine 21 of present embodiment, because a centre-to-centre spacing (P2) of sewing head 3 is made as 160～300mm, and a motor 22 is connected the central portion of main shaft 4, so it is identical with embodiment one, can use many standard fittings, suppress reversing of main shaft 4, and can make the most nearly 30 multiheaded embroidery machine 21 economically.Particularly owing to be set up in parallel sewing head 3 with a centre-to-centre spacing (P2) than broad, thus it have can each on 3 configuration arrange a plurality of shanks 5, to constitute the advantage of the embroidery machine 21 that is fit to polychrome embroidery processing patterns.

[embodiment three]

As shown in Figure 4,31,51～70 above-mentioned sewing heads 3 of the multiheaded embroidery machine of embodiment three (5～9 pins) laterally are set as row with the equal centre-to-centre spacing (P3) of 135～300mm side by side in the front of frame 2.Main shaft 4 connects whole 3 and extends configuration, and is driven by three motors 32.Motor 32 is located at the both ends, the left and right sides and the central portion back side of frame 2, and its output shaft 33 is connected with central portion with the both ends of main shaft 4 between belt pulley 34, transmission belt 35 and belt pulley 36.Identical with embodiment one, comprise main shaft 4, motor 32,

belt pulley

34 and 36 and each dynamical system accessory of transmission belt 35 can use standard fitting into existing embroidery machine design.

Utilize the multiheaded embroidery machine 31 of present embodiment, particularly be connected with central portion with the both ends of main shaft 4 owing to three motors 32, so reach 70 multiheaded embroidery machine 31 most, having can be with the formation of the economy of using standard fitting, suppress reversing of main shaft 4, and high accuracy and expeditiously large-scale processing cloth such as former cloth are carried out the advantage of multiple embroidery processing patterns.

In addition, the present invention is not limited to the foregoing description, and is for example as follows, in the scope that does not exceed inventive concept, can also suitably change the formation of each several part and be implemented.

(1) utilize motor 122223 and main shaft 4 driven in synchronism to connect a syringe driving shaft (lower shaft) of 7.

(2) modification of embodiment one shown in Figure 5 is provided with decoration feeding mechanism 40 in the end of each sewing head 3, utilizes this decoration feeding mechanism 40, supplies decoration on processing cloth, with making at it of end.In addition, be provided with the motor 12 in left side in the left end inside of the square tube shape frame 2 that is provided with sewing head 3 side by side, be provided with the motor 12 on right side at the right-hand member back of this frame 2.What each motor 12 used is that for example power output is the motor of 750W (750J/s), and two motors 12 are transform driver (omitting among the figure) driving of 1.5kW (1.5kJ/s) by 1 capacity.Power output is that the motor of 750W is compared more than or equal to the motor of 1.5kW with the employed power output of the multiheaded embroidery machine of existing this scale, and not only size is little, and the free degree height that is provided with, and both economical.And, can also continue to continue to use the transform driver of the employed capacity of multiheaded embroidery machine of existing this scale more than or equal to 1.5kW.

The inventor finds, when using the two ends of two motor-driven main shafts, and the total of this two motors power output, even the power output of this motor during a little less than the end that uses an existing motor-driven main shaft, also successfully driving main shaft makes its rotation.

(3) in each embodiment one～three, the pin number that is located at side by side on the sewing head 3 both can be 3～4, also can be 10～15.

(4) in embodiment one, the quantity of sewing head 3 can be 21～30 or 51～70, and a centre-to-centre spacing of 3 can be 300～400mm.

(5) in embodiment two, a centre-to-centre spacing of 3 can be 300～400mm.

(6) in embodiment three, a centre-to-centre spacing of 3 can be 300～400mm.

Claims

1. multiheaded embroidery machine, it is characterized in that,, on frame, be set as row side by side with the centre-to-centre spacing of 135～400mm 21～70 sewing heads that are set up in parallel 3～15 pins, whole common main shafts of sewing head are by two motor-driven that are connected with the both ends of this main shaft.

2. multiheaded embroidery machine, it is characterized in that,, on frame, be set as row side by side with the centre-to-centre spacing of 160～400mm 11～30 sewing heads that are set up in parallel 3～15 pins, whole common main shafts of sewing head are by a motor-driven that is connected with the central portion of this main shaft.

3. multiheaded embroidery machine, it is characterized in that,, on frame, be set as row side by side with the centre-to-centre spacing of 135～400mm 51～70 sewing heads that are set up in parallel 3～15 pins, whole common main shafts of sewing head are by three motor-driven that are connected with central portion with the both ends of this main shaft.