Auxiliary triangle device and knitting jacquard circular knitting machine

Abstract

According to the technical scheme, the auxiliary triangular device is characterized by comprising a guide rail installed on the circular knitting machine, a triangular block is installed on the guide rail, a sliding way is formed in the triangular block, a limiting piece is movably arranged on the guide rail, and a receding hole is formed in the portion, located in the sliding way, of the triangular block; the limiting piece protrudes into the sliding way through the receding hole, and the weaving channel and the floating thread channel in the sliding way are separated through the limiting piece. The knitting channel and the floating thread channel of the sliding way are separated through the limiting piece, the knitting needle stably and reliably moves in the corresponding channel, the knitting needle is prevented from making wrong actions in the high-speed operation process, and therefore the quality of produced cloth covers and the working yield of a machine are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to knitting machine accessory technology field more specifically, it relates to a kind of auxiliary cam device and knitting jacquard circular knitting machine. BACKGROUND

[0002] The existing single computer jacquard knitting circular knitting machine, double computer jacquard knitting circular knitting machine, double computer jacquard circular knitting machine etc., jacquard mechanism includes: jacquard needle selector, jacquard piece, intermediate needle, knitting needle. In the process of jacquard, jacquard needle selector blade selects jacquard piece to execute knitting under the control of control system, one of loop collection, floating line action, knitting needle will move along the track of cam block.

[0003] However, due to various reasons, such as cam block wear, assembly error, yarn tension change, etc., the current circular knitting machine will have knitting needle running track disorder, instability and thus disorder, broken needle phenomenon in high-speed operation, which affects the cloth surface quality and machine working output. UTILITY MODEL CONTENT

[0004] To solve the above problems, the utility model provides the following technical scheme:

[0005] An auxiliary cam device, comprising a guide rail mounted on a circular knitting machine, a cam block mounted on the guide rail, a slide groove formed in the cam block, a limiting piece movably arranged on the guide rail, a clearance hole formed in the cam block, the limiting piece protruding into the slide groove through the clearance hole, and the limiting piece separating the knitting channel and the floating line channel in the slide groove.

[0006] The utility model is further provided with: an installation groove is formed in the guide rail, the limiting piece penetrates into the installation groove and is in sliding connection with the installation groove, and a return spring is arranged between the bottom of the limiting piece and the installation groove.

[0007] The utility model is further provided with: the limiting piece comprises an auxiliary block, the auxiliary block penetrates into the installation groove and is in sliding connection with the installation groove, a limiting block is arranged at the top end of the auxiliary block, and the limiting block protrudes into the slide groove through the clearance hole.

[0008] The utility model is further provided with: a connecting groove is formed at the bottom end of the auxiliary block, one end of the return spring is in contact with the groove bottom of the installation groove, and the other end penetrates into the connecting groove.

[0009] The utility model is further provided with: an inclined guide surface is arranged at one end of the limiting block facing the needle inlet of the cam block, and the height of the guide surface gradually decreases in the direction of the needle inlet of the cam block.

[0010] The utility model is further provided with: the guide surface is located in the clearance hole, and the lower end of the guide surface extends below the slide groove.

[0011] The utility model further sets up: the cross section of mounting groove is rectangular, the cross section shape of auxiliary block is same with mounting groove, the spacing between the peripheral lateral wall of auxiliary block and the inner wall of mounting groove is no more than 0.01mm.

[0012] In addition, the utility model further provides a kind of knitting jacquard large circular knitting machine, including the auxiliary cam device of above.

[0013] Compared with prior art, the utility model at least has the following advantages:

[0014] 1, by spacer, the knitting channel and the floating thread channel of slide are separated, so that jacquard system executes knitting at high speed, tuck, floating thread action process, needle moves stably and reliably in corresponding channel, knitting action will not make needle run to floating thread or tuck track, also in doing floating thread action will not run to knitting or tuck track, prevent needle from making error action in high-speed operation process, thereby improve the production cloth surface quality and machine working output.

[0015] 2, spacer is slidably connected in mounting groove by return spring, so that spacer can be telescopic, needle executes tuck action, can press spacer inwards from spacer. And by setting guide surface, needle is more easily slid through spacer, prevent needle from being stuck. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall schematic diagram of first embodiment;

[0017] Figure 2 It is the explosion schematic diagram of first embodiment;

[0018] Figure 3 It is the first view of spacer;

[0019] Figure 4 It is the second view of spacer.

[0020] BRIEF DESCRIPTION OF DRAWINGS

[0021] 1, guide rail;2, cam block;3, slide;4, spacer;401, auxiliary block;402, limiting block;5, let go hole;6, mounting groove;7, return spring;8, connecting groove;9, guide surface;10, needle inlet;11, knitting channel;12, floating thread channel;13, tuck channel;14, needle outlet. DETAILED DESCRIPTION

[0022] In order to make the purposes, technical schemes and advantages of the embodiments of the present application clearer, the technical schemes of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0023] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "arrange", "mount", "connect", "join" should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium, or can be connected inside two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0024] An auxiliary triangular device, such as Figure 1 As shown in Figure 2 The guide rail 1 is mounted on a circular knitting machine, the triangular block 2 is mounted on the guide rail 1, the slide 3 is formed in the triangular block 2, the limiting piece 4 is movably arranged on the guide rail 1, the let-hole 5 is formed in the triangular block 2 inside the slide 3, the let-hole extends to the rear side of the triangular block 2, the top end of the limiting piece 4 penetrates into the let-hole 5 and protrudes into the slide 3, and the limiting piece 4 separates the braided channel 11 and the float channel 12 in the slide 3.

[0025] The connecting channel is formed in the bottom of the triangular block 2, the connecting channel penetrates through the triangular block 2, the triangular block 2 is buckled on the guide rail 1 through the connecting channel, the triangular block 2 can be moved along the guide rail 1 to adjust the position, and the triangular block 2 is fixed with the guide rail 1 through the threaded hole on the triangular block 2.

[0026] The mounting groove 6 is formed in the guide rail 1, the limiting piece 4 penetrates into the mounting groove 6 and is in sliding connection with the mounting groove 6, the reset spring 7 is arranged between the bottom of the limiting piece 4 and the mounting groove 6, when the reset spring 7 is in the initial state (natural elongation state), the bottom end of the limiting piece 4 has a certain distance from the groove bottom of the mounting groove 6, so that the limiting piece 4 has a certain space for compression in front and back.

[0027] As shown in Figure 1 As shown in Figure 3 The limiting piece 4 comprises the auxiliary block 401, the auxiliary block 401 is used for penetrating into the mounting groove 6 and being in sliding connection with the mounting groove 6, wherein the auxiliary block 401 comprises two sections, the lower end penetrates into the mounting groove 6, and the upper end penetrates into the let-hole 5. The top end of the auxiliary block 401 is provided with the limiting block 402, the limiting block 402 protrudes into the slide 3 through the let-hole 5, and the limiting block 402 is integrally formed with the auxiliary block 401.

[0028] The limiting block 402 divides the slide 3 of the cam block 2 into two parts, when the knitting needle performs the knitting action, the knitting needle passes through the floating thread channel 12 below the limiting block 402, and the limiting block 402 blocks the knitting needle from running to the knitting channel 11 above; when the knitting needle performs the floating thread action, the knitting needle passes through the floating thread channel 12 above the limiting block 402, and the limiting block 402 blocks the knitting needle from running to the floating thread channel 12 below; and when the knitting needle performs the tuck action, the knitting needle slides on the surface of the limiting block 402, the limiting block 402 is pressed into the accommodation hole 5, so that the knitting needle can smoothly pass through.

[0029] As shown in Figure 2 As shown in Figure 4 The bottom end of the auxiliary block 401 is provided with a connecting groove 8, one end of the reset spring 7 is in contact with the groove bottom of the mounting groove 6, and the other end is inserted into the connecting groove 8, so that the auxiliary block 401 is inserted into the mounting groove 6 deeper, and the mounting stability of the auxiliary block 401 and the reset spring 7 is improved. The connecting groove 8 is a cylindrical groove coaxially arranged with the reset spring 7.

[0030] The end of the limiting block 402 towards the needle inlet 10 of the cam block 2 is provided with an inclined guide surface 9, the height of the guide surface 9 gradually decreases from the direction away from the needle inlet 10 of the cam block 2 to the direction towards the needle inlet 10 of the cam block 2, and when the tuck action is performed, the knitting needle enters the needle inlet 10 and is in contact with the guide surface 9, and the knitting needle smoothly moves on the surface of the limiting block 402.

[0031] The guide surface 9 and the limiting block 402 are located in the accommodation hole 5, and the lower end of the guide surface 9 extends below the slide 3, so that when the reset spring 7 is in the initial state, the lowest part of the guide surface 9 does not protrude from the surface of the slide 3, the knitting needle directly contacts the guide surface 9 when moving in the slide, the knitting needle is prevented from being stuck by the end of the limiting block 402, and the running smoothness of the knitting is improved.

[0032] The cross section of the mounting groove 6 is rectangular, the cross section of the auxiliary block 401 is the same as that of the mounting groove 6, and the four corners of the auxiliary block 401 are provided with chamfers, the spacing between the peripheral side wall of the auxiliary block 401 and the inner wall of the mounting groove 6 is not greater than 0.01mm, and the auxiliary block 401 and the mounting groove 6 are basically attached, so that the auxiliary block 401 strictly moves forward and backward along the mounting groove 6 and does not shake or even rotate.

[0033] The working process of the utility model is as follows:

[0034] In the process of jacquard, the selection of the needle selection device blade under the control of the control system selects the jacquard piece to perform one of the knitting, tucking, floating action. After the knitting needle enters the slide 3 of the cam block 2 from the needle inlet 10, it moves along the corresponding trajectory according to the action performed and then moves out from the needle outlet 14 of the long cam block 2. When performing the floating action, the knitting needle moves along the floating channel 12 below the limiting block 402, when performing the knitting action, the knitting needle moves along the knitting channel 11 above the limiting block 402, and when performing the tucking action, the knitting needle slides over the limiting block 402 in the middle of the slide 3, and the limiting block 402 is pressed down by the guide of the guide surface 9. The limiting block 402 separates the knitting and the floating, greatly improving the stability of the knitting operation.

[0035] Second embodiment:

[0036] A kind of knitted jacquard circular knitting machine, including the auxiliary cam device described in the above first embodiment.

[0037] The above only is the preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement etc. made within the design concept of the present application should be included in the protection scope of the present application.

Claims

1. An auxiliary camming device characterized by: The utility model provides a kind of auxiliary triangle device, including the guide rail (1) installed on the circular knitting machine, the guide rail (1) is equipped with triangular block (2), the slide (3) is opened in the triangular block (2), the guide rail (1) is movably provided with limiting piece (4), the triangular block (2) is located in the slide (3) and is equipped with the hole (5) that gives way, the limiting piece (4) is protruded to the slide (3) by the hole (5) that gives way, the limiting piece (4) separates the knitting channel (11) in the slide (3) with floating thread channel (12).

2. An auxiliary cam device according to claim 1, characterised in that: The guide rail (1) is equipped with installation groove (6), the limiting piece (4) is inserted into installation groove (6) and is connected with installation groove (6) slidingly, reset spring (7) is arranged between the bottom of limiting piece (4) and installation groove (6).

3. An auxiliary cam device according to claim 2, wherein: The limiting piece (4) includes auxiliary block (401), the auxiliary block (401) is inserted into installation groove (6) and is connected with installation groove (6) slidingly, the top of auxiliary block (401) is equipped with limiting block (402), the limiting block (402) is protruded to the slide (3) by the hole (5) that gives way.

4. An auxiliary cam device according to claim 3, wherein: The bottom of auxiliary block (401) is equipped with connecting groove (8), one end of reset spring (7) is in contact with the groove bottom of installation groove (6), and the other end is inserted into connecting groove (8).

5. An auxiliary cam device according to claim 3, wherein: The limiting block (402) is equipped with inclined guide surface (9) towards one end of triangular block (2) needle inlet (10), the height of guide surface (9) gradually reduces towards the direction of triangular block (2) needle inlet (10).

6. An auxiliary cam device according to claim 5, wherein: The guide surface (9) is located in the hole (5) that gives way, and the lower end of guide surface (9) extends below the slide (3).

7. An auxiliary cam device according to claim 3, wherein: The cross section of installation groove (6) is rectangular, the cross section shape of auxiliary block (401) is same with installation groove (6), and the spacing between the circumferential wall of auxiliary block (401) and the inner wall of installation groove (6) is not more than 0.01mm.

8. A jacquard circular knitting machine, characterized in that: The utility model provides a kind of auxiliary triangle device, including the guide rail (1) installed on the circular knitting machine, the guide rail (1) is equipped with triangular block (2), the slide (3) is opened in the triangular block (2), the guide rail (1) is movably provided with limiting piece (4), the triangular block (2) is located in the slide (3) and is equipped with the hole (5) that gives way, the limiting piece (4) is protruded to the slide (3) by the hole (5) that gives way, the limiting piece (4) separates the knitting channel (11) in the slide (3) with floating thread channel (12).

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