Needle pressing triangle control mechanism of circular knitting machine

Abstract

The utility model discloses a circular machine needle pressing triangle control mechanism, and relates to the field of textile machinery equipment, the circular machine needle pressing triangle control mechanism comprises a crochet hook, the side wall of the crochet hook is provided with an adjusting mechanism, through the structure arrangement, the circular machine needle pressing triangle control mechanism can drive a lead screw to rotate through rotation of a rotary knob, so that an arc-shaped piece and an auxiliary piece vertically ascend; the upper-end auxiliary block is always attached to the side wall of the arc-shaped piece, and the auxiliary piece is always attached to the outer wall of the auxiliary piece, so that the highest height of a control track formed by the auxiliary piece, the arc-shaped piece, the upper-end auxiliary block and the auxiliary plate is increased, the vertical moving height of a crochet hook is adjusted, different knitting procedures can be conveniently adapted, components do not need to be frequently replaced, and the working efficiency is improved. And the working intensity is reduced, and the adaptability of components is improved.

Description

Technical Field

[0001] The present application relates to the field of textile machinery and equipment, and in particular to a needle pressing cam control mechanism for a circular knitting machine. Background Art

[0002] The main function of the circular knitting machine needle pressing triangle control mechanism is to convert rotational motion into linear motion, which is used to drive the working parts to perform specific operations or actions, control the trajectory of the needle during movement, and thus accurately control the position or movement speed of the working parts. This mechanism is often used in various automation and mechanical systems, such as industrial machinery, automatic assembly lines and production equipment, to achieve precise process control and efficient production operations.

[0003] For example, the needle pressing cam and a circular knitting machine disclosed in Publication No. 201820028426.1 include a needle pressing cam for a plating yarn path and a needle pressing cam for a surface yarn path. The lowest point of the needle pressing cam for the plating yarn path is 0.53-58 mm higher than that of the conventional needle pressing cam for the plating yarn path, and the running distance of the loom at the lowest point of the needle pressing cam for the plating yarn path is decomposed into two sections of 1 mm each; the lowest point of the needle pressing cam for the surface yarn path is 0.53-58 mm higher than that of the conventional needle pressing cam for the surface yarn path, and the running distance of the loom at the lowest point of the needle pressing cam for the surface yarn path is decomposed into two sections of 1 mm each. However, the following deficiencies still exist in actual use:

[0004] Although the spacing value of the needle pressing triangle and a circular knitting machine of the above-mentioned patent is precisely determined during actual use, in the existing use process, the circular knitting machine is not only used to manufacture fabrics with one weaving method, but now the triangles are all made of one-piece molded components, so the needle pressing triangle components need to be replaced, which requires the staff to constantly replace the triangles. Multiple needle pressing triangles are installed on a circular knitting machine at the same time, which requires a lot of time to replace the needle pressing triangle whenever replacement is needed. Utility Model Content

[0005] In order to improve the problem of frequent replacement of needle pressing cam components, the present application provides a circular knitting machine needle pressing cam control mechanism.

[0006] The present application provides a circular knitting machine needle pressing triangle control mechanism adopts the following technical solution:

[0007] A circular knitting machine needle pressing triangle control mechanism, comprising a crochet needle, wherein the side wall of the crochet needle is provided with an adjustment mechanism;

[0008] The adjusting mechanism comprises a screw rod, an outer wall thread of the screw rod is threadedly penetrated by a linkage block 1 which is movably penetrated by the side wall of the connecting piece, the outer wall of the screw rod is threadedly connected to a linkage block 2 which is movably penetrated by the side wall of the connecting piece, the linkage block 1 movably penetrates and extends to the outside and is fixedly connected to an arc piece which fits with the side wall of the connecting piece, the other end of the linkage block 2 movably penetrates the connecting piece and extends to the outside and is fixedly connected to an auxiliary piece which fits with the top of the cushion block, the adjusting mechanism also comprises a sliding piece which movably penetrates the side wall of the connecting piece, one end of the sliding piece is fixedly connected to a top connecting plate, the other end of the sliding piece is fixedly connected to an upper auxiliary block which fits with the side wall of the connecting piece, the top connecting plate is fixedly connected to a bottom connecting plate which movably penetrates the side wall of the connecting piece close to the connecting piece, and the end of the bottom connecting plate away from the top connecting plate is fixedly connected to an auxiliary plate which fits with the top of the cushion block.

[0009] By adopting the above technical solution, the top connecting plate is fixedly connected to the upper auxiliary block through the sliding member.

[0010] Preferably, the adjustment mechanism further comprises a connecting piece arranged on one side of the crochet hook, a cushion block is fixedly connected to the side of the connecting piece close to the crochet hook, and a guide plate is fixedly connected to the side of the cushion block close to the crochet hook.

[0011] By adopting the above technical solution, the guide plate is fixedly connected to the connecting piece through the pad.

[0012] Preferably, a side of the connector away from the hook is fixedly connected to a top connecting block, a side wall of an upper end of the screw rod is threadedly passed through the top of the top connecting block, and a knob is fixedly connected to the top of the screw rod.

[0013] By adopting the above technical solution, the screw rod can rotate along with the knob.

[0014] Preferably, a bottom connecting block fixedly connected to the side wall of the connecting piece is threadedly penetrated through the side wall of the lower end of the screw rod, and a limiting ring 1 is fixedly connected to the top of the top connecting block on the upper half of the outer wall of the screw rod.

[0015] By adopting the above technical solution, the screw rod is limited by the limiting ring.

[0016] Preferably, a second limiting ring that fits with the top of the bottom connecting block is fixedly connected to the lower half of the outer wall of the screw rod, and the side wall of the auxiliary part fits with both the connecting part and the side wall of the guide plate.

[0017] By adopting the above technical solution, the auxiliary component is limited by the connecting component and the guide plate.

[0018] Preferably, the outer wall of the upper auxiliary block is slidably connected to a limit frame fixedly connected to the side wall of the connecting piece, and the side wall of the top connecting plate is fixedly connected to a spring.

[0019] By adopting the above technical solution, the limit frame enables the upper auxiliary block to only move horizontally.

[0020] Preferably, one end of the spring away from the top connecting plate is fixedly connected to a fixing strip fixedly connected to the side wall of the connecting piece, and the side wall of the auxiliary plate is in contact with both the connecting piece and the side wall of the guide plate.

[0021] By adopting the above technical solution, the fixing strip is fixedly connected to the top connecting plate through the spring.

[0022] Preferably, a side of the upper auxiliary block close to the arc-shaped member is in contact with the side wall of the arc-shaped member, and a side of the auxiliary plate close to the auxiliary member is in contact with the side wall of the auxiliary member.

[0023] By adopting the above technical solution, the arc-shaped member can drive the upper auxiliary block to move horizontally.

[0024] In summary, the present application includes at least one of the following beneficial technical effects:

[0025] 1. The knob is rotated to drive the screw rod to rotate so that the arc-shaped part and the auxiliary part rise vertically, and the upper auxiliary block is always in contact with the side wall of the arc-shaped part, and the auxiliary part is always in contact with the outer wall of the auxiliary part, thereby increasing the maximum height of the control track composed of the auxiliary part and the arc-shaped part, the upper auxiliary block and the auxiliary plate, thereby adjusting the vertical moving height of the crochet hook, making it easy to adapt to different weaving processes, thereby eliminating the need to frequently replace components, reducing work intensity, and improving the adaptability of components. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is an overall display diagram of the needle pressing triangle control mechanism of the circular knitting machine in this application;

[0027] Figure 2 This is a partial display diagram of another angle of view of the needle pressing triangle control mechanism of the circular knitting machine of the present application;

[0028] Figure 3 This is a partial display diagram of the auxiliary parts of the needle pressing triangle control mechanism of the circular knitting machine in this application;

[0029] Figure 4 This is a partial display diagram of a linkage block of the needle pressing triangle control mechanism of the circular knitting machine of this application;

[0030] Figure 5 This is a partial display diagram of the knob of the needle pressing triangle control mechanism of the circular knitting machine in this application;

[0031] Figure 6 This is a partial display diagram of the second position of the limit ring of the needle pressing triangle control mechanism of the circular knitting machine of this application;

[0032] Figure 7This is a partial display diagram of the fixing strip of the needle pressing triangle control mechanism of the circular knitting machine of this application;

[0033] Figure 8 This is a partial display diagram of the spring of the needle pressing triangle control mechanism of the circular knitting machine in this application.

[0034] Reference numerals:

[0035] 1. Crochet;

[0036] 2. Adjustment mechanism; 21. Connecting piece; 22. Pad; 23. Guide plate; 24. Top connecting block; 25. Screw rod; 26. Linkage block 1; 27. Knob; 28. Linkage block 2; 29. ​​Bottom connecting block; 210. Limiting ring 1; 211. Limiting ring 2; 212. Arc-shaped piece; 213. Auxiliary piece;

[0037] 214, sliding member; 215, top connecting plate; 216, upper auxiliary block; 217, limit frame; 218, spring; 219, fixing bar; 220, bottom connecting plate; 221, auxiliary plate. DETAILED DESCRIPTION

[0038] The following is combined with Figure 1-8 This application is described in further detail.

[0039] The embodiment of the present application discloses a needle pressing triangle control mechanism for a circular knitting machine.

[0040] Example 1

[0041] Reference Figure 1 , 2. A circular knitting machine needle pressing triangle control mechanism comprises a crochet hook 1, and an adjusting mechanism 2 is arranged on the side wall of the crochet hook 1.

[0042] The staff connects the side of the crochet hook 1 away from the adjustment mechanism 2 to the circular knitting machine, and places the raised part on the other side of the crochet hook 1 between the limit frame 217 and the guide plate 23, so that when the crochet hook 1 is driven by the circular knitting machine to move horizontally, the guide plate 23 and the limit frame 217 can limit the crochet hook 1.

[0043] Reference Figure 7,8, the adjustment mechanism 2 includes a screw rod 25, and the top of the linkage block 1 26 starts to penetrate with an internal threaded hole 1, and the screw rod 25 threadedly penetrates the internal threaded hole 1, so that the screw rod 25 is threadedly connected with the linkage block 1 26, and the side wall of the connecting member 21 is provided with a square groove 1, and the linkage block 1 26 movably penetrates the square groove 1, so that the linkage block 1 26 is slidably connected with the connecting member 21, and the top of the linkage block 2 28 starts to penetrate with an internal threaded hole 2, and the screw rod 25 threadedly penetrates the internal threaded hole 2, so that the screw rod 25 is threadedly connected with the linkage block 2 28, and the side wall of the connecting member 21 is provided with a square groove 2, and the linkage block 2 28 movably penetrates the square groove 2, Thereby, the linkage block 28 is slidably connected to the connecting member 21, the linkage block 1 26 is movably penetrated and extended to the other end outside and fixedly connected to the side of the arc member 212 close to the linkage block 1 26, and the side of the arc member 212 close to the connecting member 21 is fitted with the side wall of the connecting member 21, so that the linkage block 1 26 can drive the arc member 212 to move vertically, the linkage block 28 is movably penetrated and extended to the other end outside and fixedly connected to the side of the auxiliary member 213 close to the linkage block 28, and the bottom of the auxiliary member 213 is fitted with the top of the cushion block 22, so that the auxiliary member 213 is supported by the cushion block 22.

[0044] When it is necessary to adjust the specifications of the needle pressing triangle, the staff turns the knob 27, the knob 27 will drive the screw 25 to rotate, the screw 25 will drive the linkage block 1 26 and the linkage block 2 28 to move vertically upward synchronously, the linkage block 1 26 will drive the arc 212 to move vertically upward, the linkage block 28 will drive the auxiliary piece 213 to move vertically upward, when the arc 212 moves vertically upward, the edge of the arc 212 will drive the upper auxiliary block 216 to move horizontally to both sides. Figure 3 When the auxiliary member 213 moves vertically upward, the auxiliary member 213 will drive the auxiliary plate 221 to move horizontally to both sides.

[0045] Reference Figure 7, 8, the adjustment mechanism 2 also includes a sliding member 214 that movably penetrates the side wall of the connecting member 21, one end of the sliding member 214 is fixedly connected to the side of the top connecting plate 215 close to the sliding member 214, so that the sliding member 214 can drive the top connecting plate 215 to move horizontally, and the end of the sliding member 214 away from the top connecting plate 215 is fixedly connected to the side of the upper auxiliary block 216 close to the sliding member 214, and the side of the upper auxiliary block 216 close to the connecting member 21 is in contact with the side wall of the connecting member 21, so that the sliding member 214 can drive the upper auxiliary block 216 to move horizontally, and the side of the top connecting plate 215 close to the connecting member 21 is in contact with the bottom connecting plate The side of the top connecting plate 215 near the bottom connecting plate 220 is fixedly connected, so that the top connecting plate 215 drives the bottom connecting plate 220 to move horizontally. The side wall of the connecting piece 21 is provided with a sliding groove, and the bottom connecting plate 220 moves through the sliding groove, so that the bottom connecting plate 220 is slidably connected to the connecting piece 21. The end of the bottom connecting plate 220 away from the top connecting plate 215 is fixedly connected to the side of the auxiliary plate 221 near the bottom connecting plate 220, so that the auxiliary plate 221 can drive the bottom connecting plate 220 to move horizontally. The bottom of the auxiliary plate 221 fits with the top of the cushion block 22, so that the auxiliary plate 221 is limited by the cushion block 22.

[0046] When the upper auxiliary block 216 moves horizontally, the upper auxiliary block 216 will drive the sliding member 214 to move horizontally. When the auxiliary plate 221 moves horizontally, the auxiliary plate 221 will drive the bottom connecting plate 220 to move horizontally. The bottom connecting plate 220 and the sliding member 214 will synchronously drive the top connecting plate 215 to move horizontally. When the top connecting plate 215 moves horizontally, the spring 218 will be compressed.

[0047] Reference Figure 3-6The adjusting mechanism 2 also includes a connecting piece 21 arranged on one side of the hook needle 1, and the side of the connecting piece 21 close to the hook needle 1 is fixedly connected to the side of the cushion block 22 close to the connecting piece 21, so as to form a structural combination, and the side of the cushion block 22 close to the hook needle 1 is fixedly connected to the side of the guide plate 23 close to the cushion block 22, so as to limit the position through the guide plate 23, and the side of the connecting piece 21 away from the hook needle 1 is fixedly connected to the side of the top connecting block 24 close to the connecting piece 21, so as to determine the position of the top connecting block 24, and the top connecting piece 24 is fixedly connected to the top connecting block 24. A round hole 1 is formed through the top of the connecting block 24, and the screw rod 25 is movable through the round hole 1, so that the screw rod 25 is rotatably connected to the top connecting block 24, and the outer wall of the rotatable connection between the screw rod 25 and the top connecting block 24 is a smooth surface, so that the structure is more reasonable, the top of the screw rod 25 is fixedly connected to the bottom of the knob 27, so that the screw rod 25 is driven to rotate by the knob 27, and the top of the bottom connecting block 29 is formed through the round hole 2, and the bottom side wall of the screw rod 25 is movable through the round hole 2, so that the screw rod 25 and the bottom connecting block 2 9 is rotatably connected, the outer wall of the rotational connection between the screw rod 25 and the bottom connecting block 29 is a smooth surface, so that the rotational connection is more stable, the side of the bottom connecting block 29 close to the connecting piece 21 is fixedly connected to the side wall of the connecting piece 21, the outer wall of the screw rod 25 is fixedly connected to the inner wall of the limiting ring 1 210, and the limiting ring 1 210 is fitted with the top of the top connecting block 24, so that the structural stability is improved by the limiting ring 1 210, the outer wall of the screw rod 25 is fixedly connected to the inner wall of the limiting ring 211, and the limiting ring 211 is fixedly connected to the bottom connecting piece 21. The top of the connecting block 29 fits together, making the structure more stable. The side of the auxiliary part 213 close to the connecting part 21 fits together with the connecting part 21, the side of the auxiliary part 213 close to the guide plate 23 fits together with the guide plate 23, and the outer wall of the upper auxiliary block 216 fits together with the inner wall of the limit frame 217, so that the upper auxiliary block 216 is slidably connected to the limit frame 217, and the side of the limit frame 217 close to the connecting part 21 is fixedly connected to the side wall of the connecting part 21, so that the upper auxiliary block 216 is limited by the limit frame 217.

[0048] When the spring 218 is compressed, the spring 218 applies a thrust to the top connecting plate 215, so that the upper auxiliary block 216 always fits the edge of the arc-shaped part 212, and the auxiliary plate 221 always fits the edge of the auxiliary part 213, thereby changing the track height between the arc-shaped part 212 and the auxiliary part 213, so that the staff can change the vertical moving height of the crochet hook 1 according to actual needs.

[0049] Reference Figure 7, 8. The side wall of the top connecting plate 215 is fixedly connected to the end of the spring 218 close to the top connecting plate 215, and the end of the spring 218 away from the top connecting plate 215 is fixedly connected to the side wall of the limiting ring 1 210. The side of the fixing strip 219 close to the connecting member 21 is fixedly connected to the side wall of the connecting member 21, thereby fixing the bottom connecting block 29. The side of the limiting ring 211 close to the connecting member 21 is fitted with the connecting member 21, and the side of the limiting ring 211 close to the guide plate 23 is fitted with the guide plate 23. The side of the upper auxiliary block 216 close to the arc member 212 is fitted with the side wall of the arc member 212, so that the upper auxiliary block 216 can be driven to move horizontally through the vertical movement of the arc member 212, and the side of the auxiliary plate 221 close to the auxiliary member 213 is fitted with the side wall of the auxiliary member 213, thereby driving the auxiliary plate 221 to move horizontally through the horizontal movement of the auxiliary member 213.

[0050] Then the staff starts the circular knitting machine, which will drive the crochet hook 1 to move. The crochet hook 1 is first limited by the guide plate 23 and the limit frame 217, and then passes through the auxiliary plate 221 and the upper auxiliary block 216, and then passes between the arc part 212 and the auxiliary part 213 to perform vertical movement for weaving.

[0051] The implementation principle of the circular knitting machine needle pressing triangle control mechanism in an embodiment of the present application is: the staff rotates the knob 27, and the knob 27 will drive the linkage block 1 26 and the linkage block 2 28 to move vertically upward, thereby driving the arc member 212 and the auxiliary member 213 to move vertically upward, and then the arc member 212 will drive the upper auxiliary block 216 to move horizontally, and the auxiliary member 213 will drive the auxiliary plate 221, so that the spring 218 is compressed, thereby adjusting the track size of the horizontal movement of the crochet needle 1, so as to adapt to different weaving needs.

[0052] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A circular knitting machine needle pressing cam control mechanism, comprising a hook needle (1), characterized in that: The side wall of the crochet needle (1) is provided with an adjustment mechanism (2); The adjusting mechanism (2) comprises a screw rod (25), the outer wall of the screw rod (25) is threadedly penetrated with a linkage block 1 (26) that movably penetrates the side wall of the connecting piece (21), the outer wall of the screw rod (25) is threadedly connected with a linkage block 2 (28) that movably penetrates the side wall of the connecting piece (21), the other end of the linkage block 1 (26) that movably penetrates and extends to the outside is fixedly connected with an arc-shaped piece (212) that fits the side wall of the connecting piece (21), and the other end of the linkage block 2 (28) that movably penetrates the connecting piece (21) and extends to the outside is fixedly connected with an auxiliary piece (213) whose bottom fits the top of the cushion block (22); The adjustment mechanism (2) further comprises a sliding member (214) movably penetrating the side wall of the connecting member (21); one end of the sliding member (214) is fixedly connected to a top connecting plate (215); the other end of the sliding member (214) is fixedly connected to an upper auxiliary block (216) abutting against the side wall of the connecting member (21); a side of the top connecting plate (215) close to the connecting member (21) is fixedly connected to a bottom connecting plate (220) movably penetrating the side wall of the connecting member (21); and an end of the bottom connecting plate (220) away from the top connecting plate (215) is fixedly connected to an auxiliary plate (221) abutting against the top of the cushion block (22).

2. A circular knitting machine needle pressing cam control mechanism according to claim 1, characterized in that: The adjustment mechanism (2) further comprises a connecting member (21) arranged on one side of the hook needle (1); a cushion block (22) is fixedly connected to the side of the connecting member (21) close to the hook needle (1); and a guide plate (23) is fixedly connected to the side of the cushion block (22) close to the hook needle (1).

3. A circular knitting machine needle pressing cam control mechanism according to claim 2, characterized in that: A top connection block (24) is fixedly connected to the side of the connecting member (21) away from the hook needle (1); a thread on the upper side wall of the screw rod (25) penetrates the top of the top connection block (24); and a knob (27) is fixedly connected to the top of the screw rod (25).

4. A circular knitting machine needle pressing cam control mechanism according to claim 3, characterized in that: The lower end side wall of the screw rod (25) is threadedly penetrated by a bottom connecting block (29) fixedly connected to the side wall of the connecting piece (21), and the upper half of the outer wall of the screw rod (25) is fixedly connected to a limiting ring (210) that fits the top of the top connecting block (24).

5. The circular knitting machine needle pressing cam control mechanism according to claim 4, characterized in that: The lower half of the outer wall of the screw rod (25) is fixedly connected with a second limiting ring (211) which fits with the top of the bottom connecting block (29), and the side wall of the auxiliary part (213) fits with the side walls of the connecting part (21) and the guide plate (23).

6. A circular knitting machine needle pressing cam control mechanism according to claim 5, characterized in that: The outer wall of the upper auxiliary block (216) is slidably connected to a limit frame (217) fixedly connected to the side wall of the connecting member (21), and the side wall of the top connecting plate (215) is fixedly connected to a spring (218).

7. A circular knitting machine needle pressing cam control mechanism according to claim 6, characterized in that: One end of the spring (218) away from the top connecting plate (215) is fixedly connected to a fixing strip (219) fixedly connected to the side wall of the connecting member (21), and the side wall of the auxiliary plate (221) is in close contact with the side walls of the connecting member (21) and the guide plate (23).

8. The circular knitting machine needle pressing cam control mechanism according to claim 7, characterized in that: The side of the upper auxiliary block (216) close to the arc-shaped member (212) is in contact with the side wall of the arc-shaped member (212), and the side of the auxiliary plate (221) close to the auxiliary member (213) is in contact with the side wall of the auxiliary member (213).

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