CN215517866U

CN215517866U - Needle and harrow opening and closing device of computerized flat knitting machine

Info

Publication number: CN215517866U
Application number: CN202121298106.6U
Authority: CN
Inventors: 郑建林; 石省委
Original assignee: Ningbo Beworth Textile Machinery Co ltd
Current assignee: Ningbo Beworth Textile Machinery Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2022-01-14
Anticipated expiration: 2031-06-10

Abstract

The utility model relates to the technical field of computerized flat knitting machines, in particular to a needle and rake opening and closing device of a computerized flat knitting machine, which comprises a left car wall, a right car wall, a needle and rake seat transversely arranged between the left car wall and the right car wall and a plurality of needle and rake units uniformly distributed on the needle and rake seat, wherein needle and rake opening and closing devices are respectively arranged at two ends of the needle and rake seat, the needle and rake opening and closing devices are connected with each other through a synchronous shaft, a supporting assembly is arranged between the needle and rake seat and comprises a driving device and a driven device, and the supporting assembly adjusts the relative position of the driving device through a pull rod adjusting block.

Description

Needle and harrow opening and closing device of computerized flat knitting machine

Technical Field

The utility model relates to the technical field of computerized flat knitting machines, in particular to a needle rake opening and closing device of a computerized flat knitting machine.

Background

The computerized flat knitting machine plays a very important role in the textile industry due to the advantages of high weaving efficiency, low demand of operators, simple programming and the like. The roller is a necessary device for pulling and sending cloth in the computerized flat knitting machine, and pulls the fabric formed by a knitting mechanism in a clamping state during action so as to be beneficial to realizing the functions of knitting of a latch needle, needle turning and the like.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects and shortcomings of a computerized flat knitting machine in the prior art, the utility model provides the needle rake opening and closing device of the computerized flat knitting machine, which is respectively arranged at two ends of a needle rake seat, so that the opening and closing of the needle rake are adjusted more quickly and conveniently, and the convenience of opening and closing adjustment of the needle rake and the stability of the structure are effectively improved.

In order to solve the technical problems, the utility model solves the technical problems by the following technical scheme:

the utility model provides a computerized flat knitting machine's needle harrow opening and shutting device, includes left car wall, right car wall, violently establishes the needle harrow seat between left car wall and right car wall and equally divide a plurality of needle harrow units on the needle harrow seat, the both ends branch of needle harrow seat is equipped with the needle harrow opening and shutting device, connect through a synchronizing shaft between the needle harrow opening and shutting device, be equipped with supporting component between needle harrow opening and shutting device and the needle harrow seat, needle harrow opening and shutting device includes drive arrangement and slave unit, supporting component adjusts and drive arrangement's relative position through a pull rod regulating block.

Preferably, the method comprises the following steps: the driving device comprises a driving unit, the driving unit is connected to a bracket fixed on the left vehicle wall, the driving unit is connected with a driving tooth through a rotating shaft, a driven tooth meshed with the driving tooth in parallel is arranged on the bracket, a moving rod is coaxially arranged on the driven tooth, the tail end of the moving rod is hinged with a first pull-down oscillating rod, and the inner wall of the first pull-down oscillating rod is connected with a pull rod adjusting block in a matched mode through a certain rod piece.

Preferably, the method comprises the following steps: the driven device comprises a second pull-down swing rod connected with the tail end of the first pull-down swing rod through a swing rod positioning block, the second pull-down swing rod and the first pull-down swing rod are connected to the left car wall in an axial mode at positions close to the swing rod positioning block, a tension spring is connected between the first pull-down swing rod and the second pull-down swing rod, and a pull rod connected with the supporting component is connected to the inner side wall of the second pull-down swing rod in an axial mode.

Preferably, the method comprises the following steps: the supporting component comprises a supporting base, a first supporting frame and a second supporting frame which are arranged at the bottom end of the supporting base respectively, a first connecting block connected to the bottom end of the first supporting frame, and a second connecting block connected to the bottom end of the second supporting frame, wherein a first mounting block fixedly connected with the needle rake base is connected to the outer wall of the first connecting block, and a second mounting block fixedly connected with the needle rake base is connected to the outer wall of the second connecting block.

Preferably, the method comprises the following steps: the first support frame is the same as the second support frame in structure, the first support frame comprises a support vertical plate and a bearing support, the support vertical plate can slide along the support base, bearings are arranged on the support vertical plate, the axle center of each bearing is connected with the bearing support through a shaft pin, and the bearing support is connected with the upper end of the connecting block in a matched mode.

Preferably, the method comprises the following steps: the pull rod adjusting block is connected with the first connecting block through a movable nut, an adjusting groove is formed in the pull rod adjusting block, and the movable nut penetrates through the adjusting groove to be connected with the first connecting block in a matched mode.

Preferably, the method comprises the following steps: the outer wall of the needle and rake seat is respectively provided with a plurality of control shields, and a control unit for controlling each needle and rake unit is arranged in each control shield.

The utility model has the beneficial effects that: the needle rake opening and closing device is reasonable in structural design, the needle rake opening and closing devices are respectively arranged at the two ends of the needle rake seat, so that the needle rake can be opened and closed more quickly and conveniently when being adjusted, the needle rake can quickly reach the preset position relative to a knitting opening, and the convenience of opening and closing adjustment of the needle rake and the structural stability are effectively improved.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural diagram of the needle and harrow opening and closing device of the utility model.

Fig. 3 is an exploded view of the needle and rake opening and closing device of the present invention.

Fig. 4 is a schematic structural view of the support assembly of the present invention.

Fig. 5 is a schematic view of the structure of the pull rod adjusting block of the utility model.

Reference numerals: 1. a left vehicle wall; 2. a right vehicle wall; 3. a needle and harrow seat; 4. a needle rake unit; 5. a needle rake opening and closing device; 6. a support assembly; 7. a control shield; 8. a pull rod adjusting block; 9. a synchronizing shaft; 50. an active device; 51. a driven device; 60. a support base; 61. a first support frame; 62. a second support frame; 70. a control unit; 80. adjusting the nut; 81. an adjustment groove; 500. a drive unit; 501. a driving tooth; 502. a driven tooth; 510. pulling the swing rod II downwards; 511. a swing rod positioning block; 512. a tension spring; 513. a pull rod; 600. a chute; 610. a first connecting block; 611. a first mounting block; 612. supporting a vertical plate; 613. a bearing support; 620. a second connecting block; 621. a second mounting block; 5000. a bracket; 5001. a cavity; 5020. a travel bar; 5021. pulling down a first oscillating bar; 5022. a fixed rod piece; 5023. a linkage disk; 5024. spacing pins; 6120. and adjusting the bearing hole.

Detailed Description

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

As shown in fig. 1 to 5, a needle and rake opening and closing device of a computerized flat knitting machine comprises a left car wall 1, a right car wall 2, a needle and rake base 3 transversely arranged between the left car wall 1 and the right car wall 2, and a plurality of needle and rake units 4 equally distributed on the needle and rake base 3, wherein two ends of the needle and rake base 3 are respectively provided with a needle and rake opening and closing device 5, the needle and rake opening and closing devices 5 are connected through a synchronizing shaft 9, a supporting component 6 is arranged between the needle and rake opening and closing device 5 and the needle and rake base 3, the needle and rake opening and closing device 5 comprises a driving device 50 and a driven device 51, and the supporting component 6 adjusts the relative position with the driving device 50 through a pull rod 513 adjusting block 8;

the needle and rake base 3 is provided with two parallel needle and rake assemblies respectively and transversely arranged between the left car wall 1 and the right car wall 2, meanwhile, each needle and rake base 3 is provided with a plurality of needle and rake assemblies, the needle and rake assemblies on the parallel needle and rake base 3 are oppositely arranged, and the needle and rake opening and closing device 5 can timely and effectively adjust the positions of the needle and rake relative to a knitting opening, so that deviation is avoided, and the quality of a fabric is not influenced; the needle rake opening and closing devices 5 at the two ends of the needle rake seat 3 realize synchronous action through the synchronous shaft 9, and simultaneously realize synchronous regulation of the positions of the needle rakes by utilizing the linkage action of the driving device 50 and the driven device 51; the supporting component 6 is connected with the needle and harrow seat 3, when the position of the adjusting block 8 of the pull rod 513 relative to the supporting component 6 is adjusted, the driving device 50 acts to drive the supporting component 6 to act, and finally the needle and harrow seat 3 is adjusted in the corresponding position;

this design is through establishing needle harrow opening and closing device 5 branch at 3 both ends of needle harrow seat to open and shut more swiftly convenient when adjusting the needle harrow, can make the needle harrow reachd the position of predetermineeing of relative knitting mouth fast moreover, effectively promoted the convenience of needle harrow regulation of opening and shutting and the stability of structure.

In this embodiment, the driving device 50 includes a driving unit 500, the driving unit 500 is connected to a bracket 5000 fixed to the left vehicle wall 1, the driving unit 500 is connected to a driving tooth 501 through a rotating shaft, a driven tooth 502 engaged with the driving tooth 501 in parallel is disposed on the bracket 5000, a moving rod 5020 is coaxially mounted on the driven tooth 502, a first pull-down swing link 5021 is hinged to the tail end of the moving rod 5020, and the inner wall of the first pull-down swing link 5021 is connected with an adjusting block 8 of a pull rod 513 through a certain rod piece 5022 in a matching manner;

the driving unit 500 adopts a swing link motor, the inner wall of the bracket 5000 is fixed at a position on the inner wall of the left car wall 1 through a bracket 5000 fixed on the inner wall of the left car wall 1, a cavity 5001 is arranged in the bracket 5000 for placing a driving tooth 501 and a driven tooth 502 to avoid interference, the swing link motor is connected with the driving tooth 501 through a rotating shaft to enable the driving tooth 501 to be arranged in the cavity 5001, meanwhile, the bracket 5000 is also provided with a driven tooth 502 at the adjacent position of the driving tooth 501, the center of the driven tooth 502 is coupled with a bearing in the bracket 5000, and the bearing is internally provided with a transmission shaft, so that power can be transmitted to the needle rake opening and closing device 5 at the other end through the transmission shaft to act, the outer side of the driven tooth 502 is connected with a linkage disk 5023, a moving rod 5020 is positioned on the linkage disk 5023 through a spacing pin 5024 outside the linkage disk 5023, and the spacing screw 502is not positioned at the central position of the linkage disk 5023, therefore, the movable rod 5020 can form a left-right motion similar to an ellipse, and simultaneously drives the first pull-down swing rod 5021 to move left and right, the first pull-down swing rod 5021 moves on the basis of the position of the shaft joint on the left train wall 1, and the fixed rod piece 5022 of the shaft joint on the inner wall of the first pull-down swing rod 5021 can be connected with the adjusting block 8 of the pull rod 513, so that the position of the needle harrow seat 3 can be effectively adjusted.

In this embodiment, the driven device 51 includes a second pull-down swing link 510 connected to the end of the first pull-down swing link 5021 through a swing link positioning block 511, the second pull-down swing link 510 and the first pull-down swing link 5021 are pivotally connected to the left vehicle wall 1 at a position close to the swing link positioning block 511, a tension spring 512 is connected between the first pull-down swing link 5021 and the second pull-down swing link 510, and a pull rod 513 connected to the support assembly 6 is pivotally connected to the inner side wall of the second pull-down swing link 510;

the tail end of the second pull-down swing rod 510 is provided with a swing rod positioning block 511 which is connected with the first pull-down swing rod 5021, so that the second pull-down swing rod 510 can act in a manner of being matched with the first pull-down swing rod 5021, when the driving unit 500 drives the driving tooth 501 to act and the driven tooth 502 is matched to link, when the linkage disc 5023 rotates to the leftmost side, the moving rod 5020 is pulled leftwards, the bottom end of the first pull-down swing rod 5021 is synchronously pulled leftwards, the upper end of the first pull-down swing rod 5021 is upwards tilted by taking a hinge point with the left car wall 1 as a reference, the second pull-down swing rod 510 is pulled downwards and simultaneously upwards tilted synchronously, the pull rod 513 at the tail end of the second pull-down swing rod 510 is pulled upwards, the left pull rod 513 and the right pull rod 513 can drive the supporting component 6 to act, and the needle rake base 3 can finally realize a relative action process; the first draw-down swing rod 5021 and the second draw-down swing rod 510 keep continuous tension through the spring, so that the two can be positioned at relative positions, and the reasonability of action is guaranteed.

In this embodiment, the supporting assembly 6 includes a supporting base 60, a first supporting frame 61 and a second supporting frame 62 respectively disposed at the bottom end of the supporting base 60, a first connecting block 610 connected to the bottom end of the first supporting frame 61, and a second connecting block 620 connected to the bottom end of the second supporting frame 62, the outer wall of the first connecting block 610 is connected with a first mounting block 611 fixedly connected with the needle and rake base 3, and the outer wall of the second connecting block 620 is connected with a second mounting block 621 fixedly connected with the needle and rake base 3;

the supporting base 60 can limit the consistency of the adjusting directions of the first supporting frame 61 and the second supporting frame 62, so that the first supporting frame 61 and the second supporting frame 62 can slide along the sliding groove 600 at the bottom of the supporting base 60 conveniently, the bottom end of the first connecting block 610 is fixedly connected with the first mounting block 611 through two screws, and the bottom end of the second connecting block 620 is fixedly connected with the second mounting block 621 through screws, so that when the block 8 is adjusted through the adjusting pull rod 513, the first supporting frame 61 is adjusted through manually pushing and pulling the first connecting block 610, the second supporting frame 62 is adjusted through manually pushing and pulling the second connecting block 620, and the purpose of adjusting the needle harrow base 3 is achieved.

In this embodiment, the first support frame 61 and the second support frame 62 have the same structure, the first support frame 61 includes a support vertical plate 612 and a bearing support 613 that can slide along the support base 60, the support vertical plate 612 is provided with a bearing, the axis of the bearing is connected with the bearing support 613 through a shaft pin, and the bearing support 613 is connected with the upper end of the first connection block 610 in a matching manner;

the supporting vertical plate 612 can slide along the sliding groove 600, the bottom end of the bearing support 613 is fixedly connected with the first connecting block 610, a cavity 5001 is formed in the middle of the bearing support 613, the supporting vertical plate 612 is conveniently fixed in the cavity 5001, meanwhile, the shaft pin penetrates through the cavity to position the relative position between the supporting vertical plate 612 and the bearing support 613, and a clamping piece is clamped at the outer end of the shaft pin after the shaft pin penetrates through the bearing support 613, so that the connecting strength of the supporting vertical plate 612 and the shaft pin is enhanced; the supporting vertical plate 612 is provided with an adjusting bearing hole 6120, which can adjust the position of the bearing in the bearing hole, and is in accordance with that a certain adjusting allowance is left in the adjusting process of the needle harrow plate 3.

In this embodiment, the adjusting block 8 of the pull rod 513 is connected with the first connecting block 610 through a movable nut, the adjusting block 8 of the pull rod 513 is provided with an adjusting groove 81, and the movable nut passes through the adjusting groove 81 to be connected with the first connecting block 610 in a matching manner;

when the position adjustment of this needle harrow relative knitting mouth is to predetermineeing the position, through loosening movable nut, then correspond push-and-pull connecting block 610 or connecting block two 620, when connecting block 610 is promoted, can make first support frame 61 along the spout 600 action on the supporting base 60 diapire, installing block 611 is transferred simultaneously, make the needle harrow seat 3 action of being connected with installing block 611, and then the effectual position of predetermineeing of adjusting relative knitting mouth with the needle harrow, finally pass movable nut once more with the locking of connecting block 610, the process of promoting connecting block two 620 is with the same reason, thereby effectual regulation needle harrow to rational position.

In this embodiment, the outer wall of the needle and rake base 3 is provided with a plurality of control shields 7, and each control shield 7 is internally provided with a control unit 70 for controlling each needle and rake unit 4;

will control guard shield 7 and interior the control unit 70 divide and establish on the outer wall of needle harrow seat 3, can avoid assembling at the not enough problem of needle harrow seat 3 inner wall space, guarantee the rationality of assembly, promote the performance of flat-bed machine structure.

The above description is only a preferred embodiment of the present invention, and it should be understood that the present invention is not limited to the above description, but the present invention can be modified within the scope of the present invention.

Claims

1. The utility model provides a computerized flat knitting machine's needle harrow switching device, includes left car wall, right car wall, violently establishes the needle harrow seat between left car wall and right car wall and equally divide a plurality of needle harrow units on needle harrow seat, its characterized in that: the needle harrow structure is characterized in that needle harrow opening and closing devices are respectively arranged at two ends of a needle harrow seat, the needle harrow opening and closing devices are connected through a synchronous shaft, a supporting component is arranged between the needle harrow opening and closing devices and the needle harrow seat, the needle harrow opening and closing devices comprise a driving device and a driven device, and the supporting component adjusts the relative position of the driving device through a pull rod adjusting block.

2. The needle rake opening and closing device of the computerized flat knitting machine according to claim 1, wherein: the driving device comprises a driving unit, the driving unit is connected to a bracket fixed on the left vehicle wall, the driving unit is connected with a driving tooth through a rotating shaft, a driven tooth meshed with the driving tooth in parallel is arranged on the bracket, a moving rod is coaxially arranged on the driven tooth, the tail end of the moving rod is hinged with a first pull-down oscillating rod, and the inner wall of the first pull-down oscillating rod is connected with a pull rod adjusting block in a matched mode through a certain rod piece.

3. The needle rake opening and closing device of the computerized flat knitting machine according to claim 2, wherein: the driven device comprises a second pull-down swing rod connected with the tail end of the first pull-down swing rod through a swing rod positioning block, the second pull-down swing rod and the first pull-down swing rod are connected to the left car wall in an axial mode at positions close to the swing rod positioning block, a tension spring is connected between the first pull-down swing rod and the second pull-down swing rod, and a pull rod connected with the supporting component is connected to the inner side wall of the second pull-down swing rod in an axial mode.

4. The needle rake opening and closing device of the computerized flat knitting machine according to claim 1, wherein: the supporting component comprises a supporting base, a first supporting frame and a second supporting frame which are arranged at the bottom end of the supporting base respectively, a first connecting block connected to the bottom end of the first supporting frame, and a second connecting block connected to the bottom end of the second supporting frame, wherein a first mounting block fixedly connected with the needle rake base is connected to the outer wall of the first connecting block, and a second mounting block fixedly connected with the needle rake base is connected to the outer wall of the second connecting block.

5. The needle rake opening and closing device of the computerized flat knitting machine according to claim 4, wherein: the first support frame is the same as the second support frame in structure, the first support frame comprises a support vertical plate and a bearing support, the support vertical plate can slide along the support base, bearings are arranged on the support vertical plate, the axle center of each bearing is connected with the bearing support through a shaft pin, and the bearing support is connected with the upper end of the connecting block in a matched mode.

6. The needle rake opening and closing device of the computerized flat knitting machine according to claim 4, wherein: the pull rod adjusting block is connected with the first connecting block through a movable nut, an adjusting groove is formed in the pull rod adjusting block, and the movable nut penetrates through the adjusting groove to be connected with the first connecting block in a matched mode.

7. The needle rake opening and closing device of the computerized flat knitting machine according to claim 1, wherein: the outer wall of the needle and rake seat is respectively provided with a plurality of control shields, and a control unit for controlling each needle and rake unit is arranged in each control shield.