Knife jumping prevention saddle of circular knitting machine

Abstract

The utility model discloses an anti-jumping cutter saddle of a circular knitting machine. The anti-jumping cutter saddle comprises a saddle main body, a support plate and a positioning structure, the positioning structure is optimized, the first rotating block and the second rotating block can be respectively rotated after the saddle body is installed, the first rotating block enables the threaded rod to be matched with the internal threaded block to drive the sliding seat to longitudinally move on the surface of the support, so that the supporting plate is driven to longitudinally move, and the using height position of the saddle body is adjusted. A second rotating block is rotated to enable a rotating shaft rod to drive a worm to rotate, and a rotating seat is driven to rotate in a sleeve seat under the cooperation of the worm and a worm gear, so that the rotating seat enables the saddle main body to rotate through a supporting plate and then is used, the saddle main body can be subjected to position height adjustment and rotation after being mounted, and the mounting applicability is improved; and meanwhile, after installation, the structure is stable, the deflection problem is not prone to occurring, and the practicability in the using process is improved to a certain degree.

Description

Technical Field

[0001] The utility model relates to the field of circular knitting machines, in particular to an anti-jumping knife saddle for a circular knitting machine. Background Art

[0002] When a circular knitting machine runs at high speed, the hook knife runs up and down at high speed in the knife cylinder groove. Since the existing knife-lifting mountain angle and knife-closing mountain angle are installed in the vertical direction on the installation groove of the knife saddle, and the runway on the knife-closing mountain angle is butted against the runway on the knife-lifting mountain angle, and the knife-closing mountain angle presses the knife along the runway direction, the pressing direction of the knife-closing mountain angle is inclined.

[0003] At present, Chinese Patent Application No.: CN201822173152.8 discloses an anti-jumping knife saddle for a circular knitting machine, which includes a knife saddle body, a fixing groove for installing the knife-closing mountain angle and an adjusting groove for adjusting the position of the knife-lifting mountain angle are opened on the knife saddle body, the adjusting groove is inclined, and the inclination angle of the adjusting groove is the same as the knife-pressing angle of the knife-closing mountain angle; a through hole communicating with the other side of the knife saddle body is arranged at the bottom of the adjusting groove. By arranging an inclined adjusting groove with the same knife-pressing angle as the knife-closing mountain angle on the knife saddle body, when the position of the knife-lifting mountain angle is adjusted, the interval between the knife-lifting mountain angle and the knife-closing mountain angle remains unchanged, so the jumping knife phenomenon will not occur, and the design is simple, reasonable and easy to use.

[0004] However, the structure of the anti-jumping knife saddle of the existing circular knitting machine is relatively simple, the position of the saddle is relatively fixed after installation, it is inconvenient to adjust the height and orientation of the saddle according to needs, and the saddle is positioned by a pin and is prone to yaw problems, so the practicability is relatively poor. Content of the Utility Model

[0005] Therefore, in order to solve the above deficiencies, the utility model provides an anti-jumping knife saddle for a circular knitting machine.

[0006] In order to achieve the above object, the utility model adopts the following technical solutions: an anti-jumping knife saddle for a circular knitting machine, which includes a saddle body, a support plate and a positioning structure. The support plate is fastened to the rear side of the saddle body, and a positioning structure for installation and fixation is connected to the rear side of the support plate. The positioning structure includes a first mounting plate, a support connected to the middle side of the front part of the first mounting plate, a second mounting plate fixed to the bottom side of the rear part of the support, a first rotating block penetrating through the middle side of the top of the second mounting plate, a threaded rod connected to the bottom end of the first rotating block, an internal thread block threadedly connected to the outer surface of the threaded rod, a connecting bar fixed to the front side of the internal thread block, and a rotation position component connected to the front end of the connecting bar. The front side of the rotation position component is connected to the support plate.

[0007] Preferably, a fixing groove for installing the knife-closing mountain angle and an adjusting groove for adjusting the position of the knife-lifting mountain angle are opened on the saddle body, the adjusting groove is inclined, and the inclination angle of the adjusting groove is the same as the knife-pressing angle of the knife-closing mountain angle.

[0008] Preferably, a chute is provided in the middle of the inner side of the support, and the threaded rod is rotatably connected to the inner side of the chute.

[0009] Preferably, limiting blocks are arranged on both the upper and lower sides inside the chute, and the threaded rod passes through the middle of the inner side of the limiting block and is rotatably connected thereto.

[0010] Preferably, grooves are provided on both the left and right parts at the rear side of the support, and both the left and right sides at the rear part of the rotation position adjusting assembly are inserted into the inner sides of the grooves and are longitudinally slidably connected thereto.

[0011] Preferably, the rotation position adjusting assembly includes a sliding seat tightly fastened to the connecting bar at the middle of the rear part, an adjusting component connected to the front side of the sliding seat, a socket seat fastened to the middle of the front part of the adjusting component, and a rotating seat rotatably connected to the inner side of the front part of the socket seat. The front side of the rotating seat is connected to the support plate.

[0012] Preferably, the adjusting component includes a frame cover fixed to the sliding seat at the rear side, a second rotating block penetrating through the upper part on the left side, a rotating shaft rod connected to the right end of the second rotating block, a worm integrally formed at the right end of the rotating shaft rod, a supporting block rotatably connected to the other end of the worm, and a worm gear meshing with the bottom side of the worm. The rear side of the supporting block is fixed to the frame cover, and the middle of the front part of the worm gear is connected to the rotating seat.

[0013] Preferably, a positioning sleeve is rotatably arranged on the outer surface of the rotating shaft rod, and the rear side of the positioning sleeve is fixed to the frame cover.

[0014] Preferably, both the socket seat and the rotating seat are made of aluminum alloy material.

[0015] The beneficial effects of the present utility model:

[0016] By optimizing the positioning structure, after the saddle main body is installed, the first rotating block and the second rotating block can be respectively rotated. The first rotating block drives the sliding seat to longitudinally move on the surface of the support through the cooperation with the internal thread block, thereby driving the support plate to longitudinally move, and adjusting the height position for using the saddle main body. And rotating the second rotating block makes the rotating shaft rod drive the worm to rotate. Under the cooperation of the worm and the worm gear, the rotating seat is rotated in the socket seat, so that the rotating seat drives the saddle main body to perform a rotation action through the support plate and then be used. Furthermore, after the saddle main body is installed, the height can be adjusted and rotated, improving the applicability of the installation. At the same time, the structure is stable after installation and is not prone to the problem of yaw, improving the practicability to a certain extent during the use process. Description of the drawings

[0017] Figure 1 is the structural schematic diagram of the present utility model;

[0018] Figure 2 is the structural schematic diagram of the positioning structure of the present utility model;

[0019] Figure 3 It is a schematic structural view of the connection between the threaded rod and the internally threaded block of the present utility model;

[0020] Figure 4 It is a schematic structural view of the rotation position component of the present utility model;

[0021] Figure 5 It is a schematic structural view of the adjusting component of the present utility model.

[0022] Wherein: saddle main body - 1, support plate - 2, positioning structure - 3, first mounting plate - 31, support - 32, second mounting plate - 33, first rotating block - 34, threaded rod - 35, internally threaded block - 36, connecting bar - 37, rotation position component - 38, chute - 321, limit block - 322, sliding seat - 381, adjusting component - 382, socket - 383, rotating seat - 384, frame cover - 3831, second rotating block - 3822, rotating shaft rod - 3823, worm - 3824, supporting block - 3825, worm gear - 3826, positioning sleeve - 38231. Specific embodiments

[0023] In order to further explain the technical solution of the present utility model, the following will be elaborated in detail through specific embodiments.

[0024] Please refer to Figure 1 , the present utility model provides an anti - jumping knife saddle for a circular knitting machine, which includes a saddle main body 1, a support plate 2 and a positioning structure 3. The support plate 2 is firmly fixed to the rear side of the saddle main body 1, and the positioning structure 3 for installation and fixation is connected to the rear side of the support plate 2. The saddle main body 1 is provided with a fixing groove for installing the knife - receiving camber and an adjusting groove for adjusting the position of the knife - starting camber. The adjusting groove is inclined, and the inclination angle of the adjusting groove is the same as the pressing angle of the knife - receiving camber. Since the pressing direction of the knife - receiving camber is inclined, when adjusting the position of the knife - starting camber, the distance between the knife - receiving camber and the knife - starting camber can always remain unchanged, avoiding the jumping knife phenomenon between the knife - receiving camber and the knife - starting camber. At the same time, under the action of the positioning structure 3, the saddle main body 1 can be adjusted in height and rotated after installation and positioning, improving the applicability of installation. At the same time, the structure is stable after installation and is not prone to the problem of yaw, improving the practicality to a certain extent during use.

[0025] Please refer to Figure 1 , Figure 2 and Figure 3, the present utility model provides an anti-jumping knife saddle for a circular weft knitting machine. The positioning structure 3 includes a first mounting plate 31, a support 32 fixedly connected to the middle side of the front part of the first mounting plate 31, a second mounting plate 33 fixedly connected to the bottom side of the rear part of the support 32, a first rotating block 34 penetrating through the middle side of the top of the second mounting plate 33, a threaded rod 35 connected to the bottom end of the first rotating block 34, an internal thread block 36 threadedly connected to the outer surface of the threaded rod 35, a connecting bar 37 fixed to the front side of the internal thread block 36, and a rotation position component 38 connected to the front end of the connecting bar 37. The front side of the rotation position component 38 is connected to the support plate 2. By rotating the first rotating block 34, the threaded rod 35 rotates, and through the cooperation between the threaded rod 35 and the internal thread block 36, the connecting bar 37 drives the support plate 2 to move longitudinally through the rotation position component 38, so that the height position of the saddle body 1 can be adjusted for use;

[0026] A chute 321 is provided in the middle of the inner side of the support 32, and the threaded rod 35 is rotatably connected to the inner side of the chute 321. Limiting blocks 322 are provided on both the upper and lower sides inside the chute 321, and the threaded rod 35 penetrates through the middle of the inner side of the limiting block 322 and is rotatably connected thereto, playing a limiting role to ensure the stability of the rotation of the threaded rod 35. Grooves are provided on both the left and right sides of the rear side of the support 32, and both the left and right sides of the rear part of the rotation position component 38 are inserted into the inner side of the groove and are longitudinally slidably connected thereto, playing a role of limiting sliding to ensure the stable longitudinal sliding of the rotation position component 38.

[0027] Please refer to Figure 2 , Figure 4 and Figure 5 , the present utility model provides an anti-jumping knife saddle for a circular weft knitting machine. The rotation position component 38 includes a sliding seat 381 tightly fastened to the middle side of the rear part and the connecting bar 37, an adjusting component 382 connected to the front side of the sliding seat 381, a sleeve seat 383 fastened to the middle side of the front part of the adjusting component 382, and a rotating seat 384 rotatably connected to the inner side of the front part of the sleeve seat 383. The front side of the rotating seat 384 is connected to the support plate 2, so that the rotating seat 384 can stably rotate inside the sleeve seat 383 under the action of the adjusting component 382. Both the sleeve seat 383 and the rotating seat 384 are made of aluminum alloy material, with light weight and not easy to rust;

[0028] The adjusting component 382 includes a housing 3831 whose rear side is fixed to the sliding seat 381, a second rotating block 3822 penetrating through the upper left part, a rotating shaft rod 3823 connected to the right end of the second rotating block 3822, a worm 3824 integrally formed at the right end of the rotating shaft rod 3823, a supporting block 3825 rotatably connected to the other end of the worm 3824, and a worm gear 3826 meshing with the bottom side of the worm 3824. By rotating the second rotating block 3822, the rotating shaft rod 3823 drives the worm 3824 to rotate. The rear side of the supporting block 3825 is fixed to the housing 3831. The middle part of the front side of the worm gear 3826 is connected to the rotating seat 384. Under the cooperation of the worm 3824 and the worm gear 3826, the rotating seat 384 is driven to be displaced. A positioning sleeve 38231 is rotatably arranged on the outer surface of the rotating shaft rod 3823, and the rear side of the positioning sleeve 38231 is fixed to the housing 3831 to ensure the stability of the rotation of the rotating shaft rod 3823.

[0029] The working principle is as follows:

[0030] First, install and fix this design in the circular knitting machine through the first mounting plate 31 and the second mounting plate 33 to use the saddle main body 1.

[0031] Secondly, after installation, the first rotating block 34 can be rotated to make the threaded rod 35 rotate. Through the cooperation between the threaded rod 35 and the internal thread block 36, the connecting bar 37 drives the sliding seat 381 to longitudinally move on the surface of the support 32. The sliding seat 381 drives the support plate 2 to longitudinally move through the socket 383 and the rotating seat 384, so as to adjust the height position of the saddle main body 1 for use.

[0032] Thirdly, when it is necessary to adjust the angle of the saddle main body 1, the second rotating block 3822 can be rotated to make the rotating shaft rod 3823 drive the worm 3824 to rotate. Under the cooperation of the worm 3824 and the worm gear 3826, the rotating seat 384 is driven to be displaced in the socket 383. Thus, the rotating seat 384 makes the saddle main body 1 perform a displacement action through the support plate 2 and then is used.

[0033] The above are only the preferred examples of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A knife-jump-proof saddle for a circular knitting machine, comprising a saddle body (1), a support plate (2) being fastened to the rear side of the saddle body (1); Features: The invention also comprises a positioning structure (3) connected to the rear side of the support plate (2) and having a mounting and fixing function, wherein the positioning structure (3) comprises a first mounting plate (31), a support (32) fixedly connected to the middle side of the front part of the first mounting plate (31), a second mounting plate (33) fixedly connected to the bottom side of the rear part of the support (32), a first rotating block (34) penetrating the middle side of the top of the second mounting plate (33), a threaded rod (35) connected to the bottom end of the first rotating block (34), an internal threaded block (36) threadedly connected to the outer surface of the threaded rod (35), a connecting strip (37) fixed to the front side of the internal threaded block (36), and a rotation assembly (38) connected to the front end of the connecting strip (37), wherein the front side of the rotation assembly (38) is connected to the support plate (2).

2. According to claim 1, the anti-knife jumping saddle of the circular knitting machine is characterized in that: The saddle body (1) is provided with a fixing slot for installing the knife-closing corner and an adjusting slot for adjusting the position of the knife-starting corner. The adjusting slot is arranged obliquely, and the inclination angle of the adjusting slot is consistent with the knife-pressing angle of the knife-closing corner.

3. According to the anti-knife jumping saddle of the circular knitting machine according to claim 1, it is characterized in that: A sliding groove (321) is provided in the middle of the inner side of the support (32), and the threaded rod (35) is rotatably connected to the inner side of the sliding groove (321).

4. According to claim 3, the anti-knife jumping saddle of the circular knitting machine is characterized in that: Limit blocks (322) are provided on both upper and lower sides of the interior of the slide groove (321), and a threaded rod (35) passes through the inner middle portion of the limit block (322) and is rotatably connected thereto.

5. According to claim 1, the anti-knife jumping saddle of the circular knitting machine is characterized in that: The left and right parts of the rear side of the support (32) are both provided with grooves, and the left and right sides of the rear part of the rotation assembly (38) are both inserted into the inner side of the grooves to be longitudinally slidably connected thereto.

6. The anti-knife-jumping saddle of a circular knitting machine according to claim 1, characterized in that: The rotation assembly (38) comprises a sliding seat (381) whose rear middle side is fastened to the connecting strip (37), an adjusting component (382) connected to the front side of the sliding seat (381), a sleeve (383) fastened to the front middle side of the adjusting component (382), and a rotating seat (384) rotatably connected to the front inner side of the sleeve (383), wherein the front side of the rotating seat (384) is connected to the support plate (2).

7. The anti-knife-jumping saddle of a circular knitting machine according to claim 6, characterized in that: The adjusting component (382) comprises a frame cover (3831) whose rear side is fixed to the sliding seat (381), a second rotating block (3822) penetrating the upper left side, a rotating shaft rod (3823) connected to the right end of the second rotating block (3822), a worm (3824) integrally formed at the right end of the rotating shaft rod (3823), a supporting block (3825) rotatably connected to the other end of the worm (3824), and a worm wheel (3826) meshed with the bottom side of the worm (3824), wherein the rear side of the supporting block (3825) is fixed to the frame cover (3831), and the front middle side of the worm wheel (3826) is connected to the rotating seat (384).

8. The anti-knife-jumping saddle of a circular knitting machine according to claim 7, characterized in that: A positioning sleeve (38231) is rotatably provided on the outer surface of the rotating shaft rod (3823), and the rear side of the positioning sleeve (38231) is fixed to the frame cover (3831).

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