CN217733433U

CN217733433U - Jacquard knife assembly

Info

Publication number: CN217733433U
Application number: CN202221923787.5U
Authority: CN
Inventors: 丁孝君; 宣光华; 俞广火
Original assignee: Zhejiang Yexiao Knitting Machinery Co ltd
Current assignee: Zhejiang Yexiao Knitting Machinery Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-11-04
Anticipated expiration: 2032-07-25

Abstract

The utility model provides a jacquard knife component, which comprises a base, a jacquard knife, an alarm device and a driving mechanism, wherein the jacquard knife is arranged in a chute of the base and can reciprocate along the chute, and the alarm device is respectively connected with a first end surface of the base and a second end surface of the base; the second end face is provided with a first reset hole and a second reset hole, the first reset hole is located on one side of the sliding groove, the second reset hole is located on the other side of the sliding groove, spring assemblies are arranged in the first reset hole and the second reset hole, and the jacquard knife can be abutted against the two spring assemblies; a jacquard knife subassembly, can all provide the effort that resets for the both sides of jacquard knife for the jacquard knife atress is even, has stopped the unilateral friction condition of jacquard knife, avoids the jacquard knife to take place unilateral wearing and tearing, can also detect and in time report to the police the feed of jacquard knife, the back of the knife condition.

Description

Jacquard knife assembly

Technical Field

The utility model relates to a hosiery machine technical field, in particular to a jacquard knife tackle spare for hosiery machine.

Background

Hosiery machines are important mechanical devices in the technical field of hosiery. The jacquard knife structure is often arranged in the hosiery machine, and the jacquard knife can reciprocate according to needs in the work process of the hosiery machine, so that the hosiery machine has two operation states, namely the jacquard knife does not collide with the projection of a knitting needle, and the jacquard knife collides with the projection of the knitting needle, so that the height position of the knitting needle is changed, and the hosiery form can be adjusted according to the actual hosiery requirements through the two operation states.

In the prior art, the jacquard knife is driven by a driving structure to perform a feeding action, and the jacquard knife can be reset by a spring assembly, i.e. a retracting action, for example, patent CN207537656U discloses a jacquard structure for hosiery machine, and the feeding and retracting actions of the jacquard knife are the same. However, in the prior art, the spring structure is often arranged on only one side of the jacquard knife in the knife retracting process, so that in the knife retracting and resetting process of the jacquard knife, the jacquard knife is stressed on only one side in the resetting direction of the jacquard knife, and the situations of unstable knife retracting and resetting, even jamming and the like caused by uneven stress easily exist. Meanwhile, under the condition of long-term unilateral stress, the unilateral friction condition of the jacquard knife is aggravated, so that the unilateral abrasion of the jacquard knife is serious, and the service life of the jacquard knife component is greatly shortened.

In addition, in the process of knitting by the hosiery machine, if the feed or the withdrawal of the jacquard knife is not in place, the knitting process is stopped, the machine cannot be operated next, and an operator is often difficult to find the situation in time, so that the hosiery knitting efficiency is seriously affected.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to a jacquard knife assembly to solve the problem of unilateral stress of jacquard knife during the knife retracting and resetting process in the prior art, and the problem of being difficult to find the knife feeding or the knife retracting in place in time.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

a jacquard knife assembly comprises a base, a jacquard knife, an alarm device and a driving mechanism, wherein the jacquard knife is arranged in a sliding chute of the base and can reciprocate along the sliding chute, and the alarm device is respectively connected with a first end surface of the base and a second end surface of the base; the second terminal surface sets up first reset bore, second reset bore, first reset bore is located one side of spout, the second reset bore is located the opposite side of spout, all set up spring assembly in first reset bore, the second reset bore, the jacquard knife can with two spring assembly butts.

Further, the jacquard knife comprises a knife head, a knife withdrawing limiting block, a pull rod and a knife feeding limiting block which are sequentially connected, and the knife feeding limiting block can be abutted to the two spring assemblies.

Further, the feed limiting block comprises a first limiting block and a second limiting block, the first limiting block is located on one side of the pull rod, the second limiting block is located on the other side of the pull rod, the first limiting block can be abutted to the spring assembly in the first reset hole, and the second limiting block can be abutted to the spring assembly in the second reset hole.

Preferably, the pull rod is arranged in the sliding groove, and the distance between the first reset hole and the sliding groove is equal to the distance between the second reset hole and the sliding groove.

Furthermore, alarm device includes the warning piece, the warning piece and first terminal surface and/or second terminal surface joint.

Further, the alarm part comprises a first connecting section, the first connecting section is provided with a sensing part, the first end face is provided with a first clamping groove, the second end face is provided with a second clamping groove, and the alarm part is connected with the first clamping groove and/or the second clamping groove through the first connecting section in a clamping mode.

Furthermore, the alarm device comprises a mounting seat and two alarm pieces, wherein the mounting seat is connected with the base; the alarm piece comprises a first connecting section and a second connecting section, the first connecting section is connected with the first end face or the second end face in a clamped mode, and the second connecting section is connected with the mounting seat.

Furthermore, the mounting seat is detachably connected with the first side surface of the base, and the second connecting section is detachably connected with the assembling surface of the mounting seat.

Furthermore, one end, far away from the first connecting section, of the second connecting section is provided with a fixing part, the fixing part is provided with a first mounting hole, and the assembling surface is provided with a second mounting hole.

The two ends of the mounting seat are provided with limiting lugs, each limiting lug is provided with a third clamping groove, and the second connecting section is connected with the third clamping grooves in a clamping mode.

Compared with the prior art, a jacquard knife subassembly have following advantage:

a jacquard knife subassembly, through set up the reset hole respectively in spout both sides, utilize the spring unit in the reset hole, can be when jacquard knife carries out reciprocating motion along the spout, all provide the effort that resets for jacquard knife's both sides, make jacquard knife atress even, ensure that jacquard knife can move back the sword steadily and reset, also make whole reciprocating motion's mechanism more stable, the condition of jacquard knife unilateral atress among the prior art has been avoided, the unilateral friction condition of jacquard knife has been stopped, avoid jacquard knife to take place the unilateral wearing and tearing, be favorable to ensureing jacquard knife subassembly's life. Meanwhile, the alarm device can detect the feeding and retracting conditions of the jacquard knife, particularly alarm in time for abnormal conditions such as the feeding or retracting of the jacquard knife, and ensure that operators can check related faults in time so as to ensure the normal operation of hosiery weaving.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural diagram of a jacquard knife assembly according to an embodiment of the present invention;

fig. 2 is an exploded view of a jacquard knife assembly according to an embodiment of the present invention;

fig. 3 is an exploded view of a jacquard knife assembly according to an embodiment of the present invention at another viewing angle;

fig. 4 is an exploded view of an alarm device in a jacquard knife assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a spring assembly in a jacquard knife assembly according to an embodiment of the present invention.

Description of reference numerals:

1. a base; 11. a chute; 12. a first end face; 121. a first card slot; 122. a drive slot; 13. a second end face; 131. a second card slot; 132. a first reset hole; 133. a second reset hole; 14. a first side surface; 141. a first fixing hole; 2. a jacquard knife; 21. a cutter head; 22. a tool retracting limiting block; 23. a pull rod; 24. a feed limiting block; 241. a first stopper; 242. a second limiting block; 3. an alarm device; 4. an alarm member; 41. a first connection section; 42. a sensing part; 43. a second connection section; 44. a fixed part; 45. a first mounting hole; 5. a mounting seat; 51. an assembly surface; 52. a limiting bump; 53. a third card slot; 54. a second mounting hole; 55. a second fixing hole; 61. a spring; 62. a top block; 63. and (4) connecting the blocks.

Detailed Description

The inventive concepts of the present disclosure will be described hereinafter using terms commonly employed by those skilled in the art to convey the substance of their work to others skilled in the art. These utility concepts may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In the prior art, a driving structure is often used for driving a jacquard knife to perform a feeding action, and the jacquard knife can perform a reset and retracting action through a spring assembly; in the knife retracting process, in the prior art, a spring structure is often arranged on only one side of the jacquard knife, so that in the knife retracting and resetting process of the jacquard knife, the jacquard knife is stressed on only one side in the resetting direction of the jacquard knife, and the conditions of unstable knife retracting and resetting, even jamming and the like caused by uneven stress easily exist. Meanwhile, under the condition of long-term unilateral stress, the unilateral friction condition of the jacquard knife is aggravated, so that the unilateral abrasion of the jacquard knife is serious, and the service life of the jacquard knife component is greatly shortened. In addition, in the process of knitting by the hosiery machine, if the feed or the withdrawal of the jacquard knife is not in place, the knitting process is stopped, the machine cannot be operated next, and an operator is often difficult to find the situation in time, so that the hosiery knitting efficiency is seriously affected.

In order to solve the problem that a jacquard knife is stressed on one side in the knife retracting and resetting process in the prior art and the problem that the jacquard knife is difficult to feed or retract in place in time, the embodiment provides a jacquard knife assembly, as shown in fig. 1-5, the jacquard knife assembly comprises a base 1, a jacquard knife 2, an alarm device 3 and a driving mechanism (not shown), the jacquard knife 2 is connected with the driving mechanism, the jacquard knife 2 is arranged in a chute 11 of the base 1 and can reciprocate along the chute 11, the alarm device 3 is respectively connected with a first end surface 12 of the base 1 and a second end surface 13 of the base 1 and is used for sensing and alarming the feeding or retracting condition of the jacquard knife 2; second terminal surface 13 of base 1 sets up first reset hole 132, second reset hole 133, first reset hole 132 is located one side of spout 11, second reset hole 133 is located the opposite side of spout 11, all set up spring unit in first reset hole 132, the second reset hole 133, when jacquard knife 2 is under the feed state, jacquard knife 2 can provide the effort that resets with two spring unit butts for jacquard knife 2's the back sword.

The feed of the jacquard knife 2 is driven by a driving mechanism, and the spring assembly provides a reset acting force for the withdrawal of the jacquard knife 2, which is the same as the action mechanism of the jacquard knife 2 in the prior art and is not described in detail.

Thereby through set up the hole that resets respectively in spout 11 both sides, utilize the spring unit in the hole that resets, can be when jacquard knife 2 carries out reciprocating motion along spout 11, all provide the effort that resets for jacquard knife 2's both sides, make jacquard knife 2 atress even, ensure that jacquard knife 2 can move back the sword steadily and reset, also make whole reciprocating motion's mechanism more stable, the condition of jacquard knife 2 unilateral atress among the prior art has been avoided, the unilateral friction condition of jacquard knife has been stopped, avoid jacquard knife to take place unilateral wearing and tearing, be favorable to guaranteeing jacquard knife assembly's life. Meanwhile, the alarm device 3 can detect the feeding and retracting conditions of the jacquard knife 2, especially can give an alarm in time for abnormal conditions such as the feeding or retracting of the jacquard knife 2 being not in place, and the like, so that an operator can timely troubleshoot related faults to ensure the normal operation of hosiery weaving.

For the structure of the jacquard knife 2, the jacquard knife 2 comprises a knife head 21, a retracting limiting block 22, a pull rod 23 and a feeding limiting block 24 which are connected in sequence; the end, close to the knife head 21, of the base 1 is marked as a first end face 12, correspondingly, the end, close to the feed limiting block 24, of the base 1 is marked as a second end face 13, so that the feed limiting block 24 can be abutted against the two spring assemblies, and a reset acting force is provided for retracting the jacquard knife 2.

The feed limiting block 24 comprises a first limiting block 241 and a second limiting block 242, the first limiting block 241 is located on one side of the pull rod 23, the second limiting block 242 is located on the other side of the pull rod 23, the first limiting block 241 can be abutted to a spring assembly in the first reset hole 132, the second limiting block 242 can be abutted to a spring assembly in the second reset hole 133, and reset acting force is provided for the withdrawing of the jacquard knife 2.

The pull rod 23 is arranged in the sliding groove 11, the distance between the first reset hole 132 and the sliding groove 11 is equal to the distance between the second reset hole 133 and the sliding groove 11, so that if the reciprocating direction of the center of the pull rod 23 is taken as a symmetry axis, the reset acting force provided by the spring assembly in the first reset hole 132 is symmetrical to the reset acting force provided by the spring assembly in the second reset hole 133, the two sides of the jacquard knife 2 are uniformly stressed to the maximum extent, the single-side friction condition of the jacquard knife is avoided, the single-side abrasion of the jacquard knife is avoided, and the service life of the jacquard knife assembly can be fully guaranteed.

The spring assembly comprises a spring 61 and a top block 62, the top block 62 is provided with a connecting block 63 and is connected with the spring 61 through the connecting block 63, one end of the spring 61, which is far away from the top block 62, is abutted against the bottom wall of the first reset hole 132 or the bottom wall of the second reset hole 133 in any reset hole of the first reset hole 132 and the second reset hole 133, and one end of the top block 62, which is far away from the spring 61, is abutted against the feed limiting block 24.

As for the drive mechanism, said first end face 12 is provided with drive slots 122 for fitting the drive mechanism, which is connected to the jacquard blade 2. In view of the arrangement of the driving mechanism and the assembly thereof, the prior art can be directly adopted, and details are not described herein.

For the alarm device 3, the alarm device 3 is respectively connected with the first end face 12 of the base 1 and the second end face 13 of the base 1, so that when the jacquard knife 2 is normally fed, the feeding limiting block 24 can be abutted against the alarm device 3 at the second end face 13, and when the jacquard knife 2 is normally withdrawn, the withdrawing limiting block 22 can be abutted against the alarm device 3 at the first end face 12; if the alarm device 3 does not detect the occurrence of the abutting within a period of time, the abnormal conditions that the jacquard knife 2 is fed or withdrawn in place and the like are possibly caused, and the alarm device 3 can give an alarm in time. For the alarming process, the alarming device 3 can be directly connected with an alarm to alarm, and also can be connected with a control system to send a detection signal to the control system, and the control system analyzes and alarms in time.

The alarm device 3 comprises an alarm part 4, and the alarm part 4 is clamped with the first end face 12 and/or the second end face 13. Specifically, the alarm part 4 includes a first connecting section 41, the first connecting section 41 is provided with a sensing portion 42, the first end face 12 is provided with a first clamping groove 121, the second end face 13 is provided with a second clamping groove 131, and the alarm part 4 is connected with the first clamping groove 121 and/or the second clamping groove 131 through the first connecting section 41. On the basis that the conditions of feeding and retracting can be detected, the alarm part 4 can be integrated, for example, a U-shaped frame structure, the whole can be marked as a first connecting section 41, the first connecting section is clamped with the first end face 12 and the second end face 13, and two induction parts 42 are correspondingly arranged; as shown in fig. 4, there may also be two alarm elements 4, and for one alarm element 4, the first connecting section 41 can only be snapped into engagement with the first end face 12 or the second end face 13.

For the case that the alarm part 4 is integrated, when the alarm part 4 is clamped with the first end surface 12 and the second end surface 13, the alarm part 4 can be directly fixed with the base 1 through a fastener, or the installation seat 5 is arranged, the installation seat 5 is fixed with the base 1, and then the alarm part 4 is fixed with the installation seat 5.

In the application, two alarm parts 4 are taken as an example, and the fixing condition of the alarm parts 4 is also considered, so that the alarm parts 4 are prevented from being loosened due to the operation of the jacquard knife assembly. The alarm device 3 comprises a mounting seat 5 and two alarm pieces 4, wherein the mounting seat 5 is connected with the base 1; the two alarm pieces 4 have the same structure, and for any alarm piece 4, the alarm piece comprises a first connecting section 41 and a second connecting section 43, the first connecting section 41 is connected with the second connecting section 43, the first connecting section 41 is clamped with the first end surface 12 or the second end surface 13, and the second connecting section 43 is connected with the mounting seat 5, so that the two alarm pieces 4 can be firmly and fixedly connected with the base 1 through the mounting seat 5 on the basis of detecting the feeding and retracting conditions, on one hand, the integral assembly of the alarm device 3 is realized, and on the other hand, the split alarm device 3 is prevented from loosening; meanwhile, when any one alarm part 4 breaks down, only one alarm part 4 can be replaced, and the whole alarm device 3 does not need to be replaced.

As for the mount 5, the mount 5 is detachably connected to the first side 14 of the base 1. Specifically, mount pad 5 sets up second fixed orifices 55, base 1's first side 14 sets up first fixed orifices 141, when the assembly, with mount pad 5 and the laminating of first side 14 to align second fixed orifices 55 and first fixed orifices 141, through the screw in fastener, alright together fixed with mount pad 5 and base 1 with simple and convenient.

Since the mounting seat 5 is connected to the first side surface 14 of the base 1, for convenience of description, a side of the mounting seat 5 away from the first side surface 14 is referred to as a mounting surface 51, and the second connecting section 43 is detachably connected to the mounting surface 51 of the mounting seat 5. Specifically, one end of the second connecting section 43, which is far away from the first connecting section 41, is provided with a fixing part 44, the fixing part 44 is provided with a first mounting hole 45, the mounting surface 51 is provided with a second mounting hole 54, when the alarm device is assembled, the second connecting section 43 is attached to the mounting surface 51, the first mounting hole 45 is aligned with the second mounting hole 54, and the alarm device 4 and the mounting seat 5 can be fixed together simply and conveniently by screwing in a fastener.

In consideration of convenience of the alarm 4 during assembly, in addition to clamping the first connecting section 41 of the alarm 4 with the first clamping groove 121 or the second clamping groove 131, two limiting protrusions 52 are arranged at both ends of the mounting base 5, a third clamping groove 53 is formed between the two limiting protrusions 52 at either end of the mounting base 5, and the second connecting section 43 is clamped with the third clamping groove 53. Thereby before with alarm 4 and mount pad 5 fixed connection, mount pad 5 is fixed with base 1, again with first linkage segment 41 and first draw-in groove 121 or second draw-in groove 131 joint, with second linkage segment 43 and third draw-in groove 53 joint, realize the pre-assembly between alarm 4 and the mount pad 5, installer not only need not handheld alarm 4 this moment, and first mounting hole 45 also can align by oneself with second mounting hole 54, operating personnel only need the screw in fastener can, an installer alright with can install alarm device 3 with swift convenient ground fixed, assembly efficiency has been improved.

The utility model discloses in, to arbitrary hosiery machine, can include the jacquard knife subassembly described in this embodiment, and on the basis of the relevant structure and the assembled relation that this embodiment provided, hosiery machine still includes the conventional component of hosiery machine including selecting needle ware, cylinder isotructure, in view of it is prior art, does not describe herein any more.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A jacquard knife component is characterized by comprising a base (1), a jacquard knife (2), an alarm device (3) and a driving mechanism, wherein the jacquard knife (2) is arranged in a sliding chute (11) of the base (1) and can reciprocate along the sliding chute (11), and the alarm device (3) is respectively connected with a first end surface (12) of the base (1) and a second end surface (13) of the base (1); second terminal surface (13) set up first reset bore (132), second reset bore (133), first reset bore (132) are located one side of spout (11), second reset bore (133) are located the opposite side of spout (11), all set up spring unit in first reset bore (132), the second reset bore (133), jacquard knife (2) can with spring unit butt.

2. Jacquard blade assembly according to claim 1, characterized in that the Jacquard blade (2) comprises a blade head (21), a retracting stop (22), a pull rod (23) and a feeding stop (24) connected in sequence, the feeding stop (24) being capable of abutting against a spring assembly.

3. Jacquard blade assembly according to claim 2, characterized in that the feed stop (24) comprises a first stop (241), a second stop (242), the first stop (241) being located on one side of the tie rod (23) and the second stop (242) being located on the other side of the tie rod (23), the first stop (241) being capable of abutting against a spring assembly in the first reset bore (132) and the second stop (242) being capable of abutting against a spring assembly in the second reset bore (133).

4. Jacquard blade assembly according to claim 1, characterized in that the distance between the first reset orifice (132) and the runner (11) is equal to the distance between the second reset orifice (133) and the runner (11).

5. Jacquard blade assembly according to claim 1, characterized in that the warning device (3) comprises a warning member (4), the warning member (4) being snapped onto the first end face (12) and/or onto the second end face (13).

6. Jacquard blade assembly according to claim 5, characterized in that the alarm (4) comprises a first connecting section (41), wherein the first connecting section (41) is provided with a sensing section (42), wherein the first end face (12) is provided with a first clamping slot (121) and the second end face (13) is provided with a second clamping slot (131), wherein the alarm (4) is clamped with the first clamping slot (121) and/or the second clamping slot (131) by means of the first connecting section (41).

7. Jacquard blade assembly according to claim 6, characterized in that the alarm device (3) comprises a mounting (5) and two alarm elements (4), the mounting (5) being connected to the base (1); alarm (4) include first linkage segment (41), second linkage segment (43), first linkage segment (41) are connected with second linkage segment (43), first linkage segment (41) and first terminal surface (12) or second terminal surface (13) joint, second linkage segment (43) are connected with mount pad (5).

8. Jacquard blade assembly according to claim 7, characterized in that the mounting block (5) is connected in a detachable manner to the first side (14) of the base (1), the second connecting section (43) being connected in a detachable manner to the mounting face (51) of the mounting block (5).

9. Jacquard blade assembly according to claim 8, characterized in that the end of the second connecting section (43) remote from the first connecting section (41) is provided with a fixing section (44), the fixing section (44) being provided with a first mounting hole (45) and the mounting face (51) being provided with a second mounting hole (54).

10. Jacquard blade assembly according to claim 7, characterized in that the mounting base (5) is provided with a stop lug (52) at both ends, the stop lug (52) having a third snap groove (53), the second connecting section (43) snapping into the third snap groove (53).