CN208440769U - Computer flat-knitting machine head - Google Patents

Abstract

The utility model relates to a kind of computer flat-knitting machine heads, it is characterized by comprising ontology and cover at the protective cover on ontology, it is connected between the ontology and protective cover by the unloading of connection component energy, the connection component includes the attachment base being fixed on ontology and the buckle that is fixed on protective cover, the attachment base is equipped with mounting groove, stage portion is formed on the side wall of the mounting groove, the buckle includes motion arm, and it is placed in the first snap arm and the second snap arm in mounting groove, the motion arm first end extends protective cover, second end is bent to form first snap arm, block holding part is formed in first snap arm, first snap arm is connected with the second snap arm by elastic portion, the block holding part has the trend fastened with stage portion under elastic portion effect always, and first snap arm can be towards the under the action of motion arm Two snap arm are mobile so that block holding part is detached from stage portion, to realize protective cover energy rapid-assembling/disassembling on ontology.

Description

Computer flat-knitting machine head

Technical field

The utility model belongs to textile machine apparatus field, and in particular to a kind of computer flat-knitting machine head.

Background technique

Flat machine is using the machine that laterally braiding needle bed is woven, and by its development, it includes hand knitting machine, half Automatic flat knitting machine and Computerized flat knitting machine, mostly use Computerized flat knitting machine to be produced at present.

There are many component on flat machine, and wherein head is the important component of straight-bar machines, accurately walked on needle plate by head Position controls specified knitting needle and accurately acts according to the needs of flower pattern.But most flat-knitting machine head at present, the part on head Position is open and is directly exposed to its inner part outside, ash component easy to damage is fallen in head, and staff can accidentally touch To component, security risk is caused.For this problem, although someone is provide with protective cover on head, protective cover is usually fixed It is assemblied on head, it is not easy to disassemble, it brings inconvenience to the maintenance of head inner part.

In addition, mountain plate is the core component of head, for controlling the running track of knitting needle, to realize different process and flower The braiding of formula, the design structure of Computerized flat knitting machine mountain plate can make knitting needle complete the movement such as to weave, hang mesh, needle overturning, connect needle and do not knit. Computerized flat knitting machine generallys use electromagnet lever mode is pushed to control and hang mesh and needle overturning leg pressing in the prior art.The control mode noise Greatly, braiding precision is low, easily causes lever part to wear, and electromagnet high failure rate, and assembling is complicated, and renewal part need to disassemble machine Head, it is inconvenient, increase after cost.

Utility model content

First technical problem to be solved in the utility model is the status for the prior art, provides a kind of protective cover It is easy to the computer flat-knitting machine head assembled and disassembled.

Second technical problem to be solved in the utility model is the status for the prior art, provides a kind of failure rate Low and braiding computer flat-knitting machine head with high accuracy.

The utility model solves technical solution used by above-mentioned first technical problem are as follows: a kind of computer flat-knitting machine head, It is characterized by comprising ontology and the protective cover on ontology is covered at, passes through connection component energy between the ontology and protective cover Connecting to unloading, the connection component includes the attachment base being fixed on ontology and the buckle that is fixed on protective cover, The attachment base is equipped with mounting groove, forms stage portion on the side wall of the mounting groove, the buckle include motion arm and The first snap arm and the second snap arm being placed in mounting groove, the motion arm first end extend protective cover, and second end is bent to form First snap arm forms block holding part in first snap arm, and first snap arm is connected with the second snap arm by elastic portion, The block holding part has the trend fastened with stage portion under elastic portion effect always, and the first snap arm is under the action of motion arm It can be mobile towards the second snap arm so that block holding part is detached from stage portion.

In order to make buckle and attachment base no-float, the mounting groove is interior to be equipped with the limiting slot for limiting the second snap arm, thus Attachment base relative limit slot is fixedly installed；Angle between first snap arm and the second snap arm is at an acute angle, and the first snap arm It is excessively connect with the junction of the second snap arm by circular arc, in order to which the first snap arm under external force move by opposite second snap arm It is dynamic, so that block holding part and stage portion be made to fasten cooperation.

For convenient for forcing on protective cover, the first end of the motion arm is equipped with pull ring.When ontology and protective cover disengaging connect When touching, pull ring is held in order to remove protective cover.

The utility model solves technical solution used by above-mentioned second technical problem are as follows: mountain is equipped in the head Plate, the mountain plate includes bottom plate, and the bottom plate is equipped with motor, triangular element of pushing pin, station triangular element, knitting cam and turns over Needle triangle, the motor have the first output shaft and the second output shaft, and first output shaft, which is equipped with, controls triangle group of pushing pin First cam of part work is successively arranged control station triangular element work on second output shaft from front to back along axial direction The third cam of actuator, the second cam of control knitting cam work and control needle overturning triangle work；

The bottom plate is equipped with fixing seat, and the knitting cam and needle overturning triangle are set in the fixing seat and opposite can be somebody's turn to do Fixing seat moves up and down, and the upper end of the knitting cam and the upper end of needle overturning triangle bear against the second cam and third cam, And it is connected by the first lever so that the direction of motion of knitting cam and needle overturning triangle begins between knitting cam and needle overturning triangle It is whole on the contrary, be rotationally connected in fixing seat in the middle part of first lever, first lever one end is connected and two with knitting cam The spherical fit structure of the contact surface of person, the first lever other end is connected with needle overturning triangle and the contact surface of the two is spherical matches Close structure.

Preferably, the actuator be gear, the station triangular element include two substrates positioned opposite and by The multiple spaced apart station triangles being clamped between two substrates form the tooth engaged with gear at the top of the substrate Item, and it is equipped with guide groove on each substrate, the drive shaft sliding of at least one station triangle is inserted in one of substrate In guide groove, the drive shaft of remaining station triangle is slided and is inserted in the guide groove of another substrate.

Preferably, the guide groove includes at least two level troughs and at least one tipper, and the level trough is mutually flat Row setting, and between two neighboring level trough by tipper be connected, thus make station triangle with the track of guide groove above and below Movement is realized prominent or is packed up.

It is completely right in two location holes in place, to be equipped with location hole on two substrates convenient for two substrate Fast Installations In the state of neat, two substrates are installed in place.The setting of location hole guarantees that substrate is accurately installed, and then improves the work of station triangle Make reliability.

To protect station triangular element, the station triangular element is placed in a box body, under the station triangle The box body is extended at end, and motor is connected in flat connecting plate with box body by one.Box body is hidden by station triangular element In being hidden in, avoid external environment interference that station triangular element is caused to be damaged.And flat connecting plate, relative to metal plate bending Connecting plate, space can be saved, what the power of motor can so be done is bigger, to improve the speed and stability of motor.

Specifically, the triangular element of pushing pin includes

Guide holder is fixed on bottom plate, and is set on guide holder there are two guide channel；

Push pin triangle, there are two and be symmetrically set in the two sides of the first cam, triangle of pushing pin described in two respectively corresponds activity It is inserted in both of the aforesaid guide channel, and each pushes pin and be connected by one second lever between triangle and the first cam, institute It states the second lever middle to be rotationally connected on guide holder, one end of the second lever can be made with the first cam abutment and in the first cam It is oppositely oriented seat under to move down, the other end is connected with triangle of pushing pin and the spherical fit structure of the contact surface of the two, institute It states and is equipped with the elastic component that the triangle that makes to push pin has the trend that moves up in guide channel.

It pushes pin connecting rod, the guide holder is fixedly linked with connecting rod of pushing pin, and has been arranged symmetrically two groups on the connecting rod of pushing pin Commutate magnet.

For the efficiency for improving straight-bar machines, the connecting rod front of pushing pin is equipped with resetting guide block, and first cam front forms 4th cam, the resetting guide block are connected by a connecting shaft with the 4th cam.

Compared with prior art, the advantages of the utility model: 1, the utility model is by between ontology and protective cover With setting connection component, dismount ontology and protective cover quick；And the connection component few, reasonable in design, the phase that is related to component The Detachable connection structures such as, magnetic cooperation mating for other, the connection component functional reliability is high, not vulnerable, and Keep the assembly stability of ontology and protective cover good；2, the utility model using motor driven push pin triangle, station triangle, braiding three Angle and needle overturning triangle realize that multiple groups act, and are able to satisfy the braiding requirement of most of flower pattern on the market, and push away compared to electromagnet The control mode of dynamic lever, failure rate is low, and long service life, work efficiency is high；3, first lever of the utility model and braiding Triangle, needle overturning triangle contact surface be all made of spherical engaging structure, avoid between the first lever and knitting cam, needle overturning triangle Some retardation is generated, keeps the movement of knitting cam, needle overturning triangle more smooth, similarly, the contact of the second lever and triangle of pushing pin Face using spherical engaging structure make to push pin triangle movement it is more smooth.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model embodiment；

Fig. 2 is the sectional view along A-A of Fig. 1；

Fig. 3 is enlarged drawing at the A of Fig. 2；

Fig. 4 is the decomposition diagram of the connection component of Fig. 1；

Fig. 5 is the structural schematic diagram of mountain plate in the head of Fig. 1；

Fig. 6 is the structural schematic diagram for removing bottom plate of Fig. 5；

Fig. 7 is the knitting cam of Fig. 6 and the structural schematic diagram of needle overturning triangle；

Fig. 8 is the decomposition diagram of Fig. 7；

Fig. 9 is the structural schematic diagram of the station triangular element of Fig. 6；

Figure 10 is the structural schematic diagram of the substrate of Fig. 9；

Figure 11 is the structural schematic diagram of the triangular element of pushing pin of Fig. 6；

Figure 12 is the decomposition diagram of Figure 11；

Figure 13 is the decomposition diagram of the other direction of Figure 11.

Specific embodiment

The utility model is described in further detail below in conjunction with figure embodiment.

As shown in figures 1-4, the computer flat-knitting machine head of this preferred embodiment includes ontology 7 and covers at the protection on ontology 7 Cover 8, it is exposed outside that the setting of protective cover 8 avoids head inner part, (ash, staff is fallen in such as head vulnerable to external environment Accidentally touch head inner part) damage the problem of.Protective cover 8 is equipped with heat release hole 82, to prevent in head temperature excessively high and damage portion Part.

It is connected between ontology 7 and protective cover 8 by the unloading of connection component energy, in order to remove or install protective cover 8 In on ontology 7, facilitate the maintenance of subsequent head.

Connection component includes the attachment base 71 being fixed on ontology 7 and the buckle 81 on protective cover 8, buckle 81 It is installed on protective cover 8 by connecting plate 83.Attachment base 71 is equipped with mounting groove 72, forms step on the side wall of mounting groove 72 Portion 73, and limiting slot 74 is equipped in mounting groove 72, stage portion 73 takes shape on the side wall opposite with limiting slot 74.

Buckle 81 includes motion arm 811 and the first snap arm 812 and the second snap arm 813 that are placed in mounting groove 72, operation 811 first end of arm extends protective cover 8 and is equipped with a pull ring 816, and 811 second end of motion arm is bent to form the first snap arm 812, the One snap arm 812 is connected with the second snap arm 813 by elastic portion 815, and the second snap arm 813 is limited in limiting slot 74 and connects relatively Joint chair 71 is fixedly installed.

Angle between first snap arm 812 and the second snap arm 813 is at an acute angle, and the first snap arm 812 and the second snap arm 813 Junction is excessively connected by circular arc.Block holding part 814 is formed in first snap arm 812, block holding part 814 is acted in elastic portion 815 Under there is the trend that fastens with stage portion 73 always, and the first snap arm 812 can be towards the second snap arm under the action of motion arm 811 813 is mobile so that block holding part 814 is detached from stage portion 73.

It is of course also possible to which the first snap arm 812 and/or the second snap arm 813 are elastic component.

When dismantling protective cover 8, applied force on motion arm 811, making the first snap arm 812 mobile towards the second snap arm 813, Until block holding part 814 is detached from stage portion 73, protective cover 8 can be removed by then holding pull ring 816；When assembling protective cover 8, first apply Power is mobile towards the second snap arm 813 on motion arm 811, making the first snap arm 812, until buckle 81 can be assemblied in mounting groove 72 It is interior, motion arm 811 is then unclamped, the first snap arm 812 is directed away from the movement of 813 direction of the second snap arm under the effect of elastic portion 815, It realizes that block holding part 814 offsets with stage portion 73, completes assembly.

As shown in Fig. 5~13, the head of the present embodiment includes mountain plate, and the mountain plate includes bottom plate 19, and bottom plate 19 is equipped with Motor 1, triangular element 2 of pushing pin, station triangular element 3, knitting cam 4 and needle overturning triangle 5, motor 1 have the first output shaft 11 With the second output shaft 12, the first output shaft 11 is equipped with the first cam 13 for controlling the work of triangular element 2 of pushing pin, the second output shaft Actuator, the control knitting cam 4 that control station triangular element 3 works work the is successively arranged along axial direction on 12 from front to back The third cam 16 that two cams 15 and control needle overturning triangle 5 work.

As can be seen from figures 6 to 8, bottom plate 19 is equipped with fixing seat 51, and knitting cam 4 and needle overturning triangle 5 are set to the fixing seat On 51, the upper end of knitting cam 4 can be moved down against the second cam 15 and in the opposite fixing seat 51 under the effect of the second cam 15 It is dynamic, to realize protruding or packing up for knitting cam 4；The upper end of needle overturning triangle 5 is against third cam 16 and can be in third cam The lower opposite fixing seat 51 of 16 effects moves up and down, to realize protruding or packing up for needle overturning triangle 5.

It is connected between knitting cam 4 and needle overturning triangle 5 by the first lever 52, to make knitting cam 4 and needle overturning three The direction of motion at angle 5 is opposite always.The middle part of first lever 52 is rotationally connected in fixing seat 51,52 one end of the first lever and volume It knits triangle 4 to be connected, and the spherical fit structure of contact surface of the first lever 52 and knitting cam 4；First lever, 52 other end It is connected with needle overturning triangle 5, and the spherical fit structure of contact surface of the first lever 52 and needle overturning triangle 5.

As shown in Fig. 6,9,10, station triangular element 3 includes two substrates 31 positioned opposite and is clamped in two Multiple spaced apart station triangles 32 between substrate 31, station triangular element 3 is placed in a box body 33, and station three The lower end at angle 32 can extend the box body 33.Motor 1 is connected in flat connecting plate 17 with box body 33 by one, the design Mode increases the installation stability of motor 1, and can install the biggish motor 1 of power.

In the present embodiment, actuator is gear 14, and the top of substrate 31 forms the rack gear 311 engaged with gear 14, and Guide groove 312 is equipped on each substrate 31.In the present embodiment, there are three station triangles 32, one of station triangle 32 The sliding of drive shaft 321 is inserted in the guide groove 312 of first substrate 31, and the drive shaft 321 of another two station triangle 32 is sliding It is dynamic to be inserted in the guide groove 312 of second substrate 31.

Guide groove 312 includes at least two level troughs 313 and at least one tipper 314, and level trough 313, which is parallel to each other, to be set It sets, and is connected between two neighboring level trough 313 by tipper 314.Because there are two station triangles for second adaptation of substrate 31 32, therefore 312 length of guide groove of second substrate 31 is not less than 312 length of guide groove of first substrate 31.

The course of work of station triangle 32 are as follows: gear 14 rotates, and drives two substrates 31 mobile, in 31 moving process of substrate In, station triangle 32 moves up and down with the track of guide groove 312, realizes prominent or packs up.

In place, location hole 315 to be equipped on two substrates 31, in two location holes convenient for two 31 Fast Installations of substrate In the state that 315 is perfectly aligned, two substrates 31 are installed in place.The setting of two location holes 315 can guarantee that substrate 31 is accurately pacified Dress, and then improve the work accuracy of station triangle 32.

As shown in Fig. 6,11~13, triangular element 2 of pushing pin includes guide holder 21, push pin triangle 22 and connecting rod 25 of pushing pin.It leads It is fixed on bottom plate 19, and sets on guide holder 21 there are two guide channel 211 to seat 21.Pushing pin, there are two simultaneously symmetrical for triangle 22 Set on the two sides of the first cam 13, two triangles 22 of pushing pin respectively correspond activity and are inserted in both of the aforesaid guide channel 211.Often A push pin is connected by one second lever 23 between triangle 22 and the first cam 13, is rotationally connected with and is led in the middle part of the second lever 23 To on seat 21, one end of the second lever 23 can be oppositely oriented under the effect of the first cam 13 with the first cam 13 seat 21 to Lower movement, the other end are connected with triangle 22 of pushing pin, and the spherical cooperation knot of the contact surface of the second lever 23 and triangle 22 of pushing pin Structure.

It is equipped with the elastic component 24 that the triangle 22 that makes to push pin has the trend that moves up in guide channel 211, in the present embodiment, bullet Property part 24 be spring, when the first cam 13, which is applied to the power on triangle 22 of pushing pin by the second lever 23, to disappear, this pushes pin three Angle 22 resets under the action of the spring.

Connecting rod 25 of pushing pin is fixedly linked with guide holder 21, and guide holder 21 is with 25 synchronizing moving of connecting rod of pushing pin.It pushes pin connecting rod 25 On be arranged symmetrically two groups of commutation magnet 26, the push pin movement and commutation of triangular element 2 are realized by commutation magnet 26.

It pushes pin and is equipped with resetting guide block 6 in front of connecting rod 25, to improve the efficiency of straight-bar machines.First cam, 13 front forms the 4th Cam 18, resetting guide block 6 is connected by a connecting shaft 61 with the 4th cam 18, to make resetting guide block 6 in the 4th cam 18 It is moved up and down under effect.

In the present embodiment, the 4th cam 18 includes cam outer ring 181 and cam inner ring 182, and connecting shaft 61 is inserted in cam In slot 183 between outer ring 181 and cam inner ring 182.And first cam 13 and the 4th cam 18 constitute a double-track cam.

Claims (10)

1. a kind of computer flat-knitting machine head, it is characterised in that: including ontology (7) and cover at the protective cover (8) on ontology (7), institute It states and is connected between ontology (7) and protective cover (8) by the unloading of connection component energy, the connection component includes being fixed at ontology (7) attachment base (71) on and the buckle (81) being fixed on protective cover (8), the attachment base (71) are equipped with mounting groove (72), formed stage portion (73) on the side wall of the mounting groove (72), the buckle (81) include motion arm (811) and The first snap arm (812) and the second snap arm (813) being placed in mounting groove (72), motion arm (811) first end extend guarantor Shield (8), second end are bent to form first snap arm (812), form block holding part (814) on first snap arm (812), First snap arm (812) is connected with the second snap arm (813) by elastic portion (815), and the block holding part (814) is in elastic portion (815) there is the trend fastened with stage portion (73) always, and the first snap arm (812) is in the effect of motion arm (811) under acting on Lower energy is mobile towards the second snap arm (813) so that block holding part (814) is detached from stage portion (73).

2. computer flat-knitting machine head according to claim 1, it is characterised in that: be equipped with limit second in the mounting groove (72) The limiting slot (74) of snap arm (813), the angle between first snap arm (812) and the second snap arm (813) is at an acute angle, and first Snap arm (812) is excessively connect with the junction of the second snap arm (813) by circular arc.

3. computer flat-knitting machine head according to claim 2, it is characterised in that: the first end of the motion arm (811) is equipped with Pull ring (816).

4. computer flat-knitting machine head described in any claim according to claim 1~3, it is characterised in that: in the head Equipped with mountain plate, the mountain plate includes bottom plate (19), and the bottom plate (19) is equipped with motor (1), triangular element of pushing pin (2), station Triangular element (3), knitting cam (4) and needle overturning triangle (5), the motor (1) have the first output shaft (11) and the second output Axis (12), first output shaft (11) be equipped with control push pin triangular element (2) work the first cam (13), described second It is successively arranged actuator, the control braiding three of control station triangular element (3) work on output shaft (12) from front to back along axial direction The second cam (15) of angle (4) work and the third cam (16) of control needle overturning triangle (5) work；

The bottom plate (19) is equipped with fixing seat (51), and the knitting cam (4) and needle overturning triangle (5) are set to the fixing seat (51) it can move up and down on and with respect to the fixing seat (51), the upper end of the knitting cam (4) and the upper end point of needle overturning triangle (5) Not against the second cam (15) and third cam (16), and pass through the first lever between knitting cam (4) and needle overturning triangle (5) (52) it is connected so that the direction of motion of the two is always on the contrary, be rotationally connected with fixing seat in the middle part of first lever (52) (51) on, the first lever (52) one end is connected with knitting cam (4) and the spherical fit structure of the contact surface of the two, the first thick stick Bar (52) other end is connected with needle overturning triangle (5) and the spherical fit structure of the contact surface of the two.

5. computer flat-knitting machine head according to claim 4, it is characterised in that: the actuator is gear (14), the work Position triangular element (3) includes two substrates (31) positioned opposite and be clamped between two substrates (31) multiple The rack gear (311) engaged with gear (14) is formed at the top of the station triangle (32) of arrangement, the substrate (31), and each Guide groove (312) are equipped on substrate (31), the sliding of the drive shaft (321) of at least one station triangle (32) is inserted in wherein one In the guide groove (312) of a substrate (31), the drive shaft (321) of remaining station triangle (32) is slided and is inserted in another substrate (31) in guide groove (312).

6. computer flat-knitting machine head according to claim 5, it is characterised in that: the guide groove (312) includes at least two Level trough (313) and at least one tipper (314), the level trough (313) is arranged in parallel, and two neighboring level trough (313) it is connected between by tipper (314).

7. computer flat-knitting machine head according to claim 6, it is characterised in that: be equipped with location hole on two substrates (31) (315), in the state that two location holes (315) are perfectly aligned, two substrates (31) are installed in place.

8. computer flat-knitting machine head according to claim 7, it is characterised in that: the station triangular element (3) is placed in In one box body (33), the box body (33) is extended in the lower end of the station triangle (32), and motor (1) is in flat by one Connecting plate (17) is connected with box body (33).

9. computer flat-knitting machine head according to claim 4, it is characterised in that: the triangular element of pushing pin (2) includes

Guide holder (21) is fixed on bottom plate (19), and is set on guide holder (21) there are two guide channel (211)；

Push pin triangle (22), there are two and be symmetrically set in the two sides of the first cam (13), triangle (22) are pushed pin described in two respectively Corresponding activity is inserted in both of the aforesaid guide channel (211), and is each pushed pin between triangle (22) and the first cam (13) It is connected by one second lever (23), is rotationally connected on guide holder (21) in the middle part of second lever (23), the second lever (23) one end can be oppositely oriented seat (21) under the first cam (13) effect with the first cam (13) and move down, separately One end is connected with triangle of pushing pin (22) and the spherical fit structure of the contact surface of the two, is equipped in the guide channel (211) Make the elastic component (24) of triangle (22) with the trend that moves up of pushing pin；

It pushes pin connecting rod (25), the guide holder (21) is fixedly linked with connecting rod of pushing pin (25), and the connecting rod of pushing pin (25) on pair Title is disposed with two groups of commutation magnet (26).

10. computer flat-knitting machine head according to claim 9, it is characterised in that: be equipped with and return in front of the connecting rod of pushing pin (25) Position guide block (6), the first cam (13) front form the 4th cam (18), and the resetting guide block (6) passes through a connecting shaft (61) it is connected with the 4th cam (18).