Multi-station computerized flat knitting machine traction rake jacking mechanism with high stability

Abstract

The utility model relates to the field of computerized flat knitting machines, in particular to a multi-station computerized flat knitting machine traction harrow jacking mechanism with high stability, which comprises a traction harrow assembly, a lifting mechanism and a lifting mechanism, the jacking mechanisms are mounted on the two sides of the traction harrow assembly and can jack the traction harrow assembly; when the fabric is pulled by the pulling harrow assembly, a first servo motor works to drive a lead screw to rotate, the lead screw synchronously drives a connecting rod and the pulling harrow assembly to move upwards through threaded connection with a threaded seat, the bottom of the fabric enters the position between two pulling harrows, meanwhile, a second servo motor works to drive a worm to rotate, and the bottom of the fabric is pulled by the worm. The worm drives the two-way screw rod to rotate through meshing connection with the worm wheel, so that the two traction rakes hook the fabric, the traction rake assemblies are conveniently jacked, and the situation that the traction rake assemblies are too close to each other during jacking, and the traction of the fabric is affected is avoided.

Description

Technical Field

[0001] The utility model relates to the field of computerized flat knitting machines, in particular to a traction rake lifting mechanism of a multi-station computerized flat knitting machine with high stability. Background Art

[0002] In recent years, computerized flat knitting machines with full-molding functions have developed rapidly. They have been widely favored by the market because of their advanced one-piece garment function that can get rid of the productivity constraints of traditional looping technology. The pulling rake assembly is an essential device for pulling the knitted fabric in the computerized flat knitting machine. Its function is to clamp the knitted fabric formed by the computerized flat knitting machine and pull it downwards, so as to facilitate the smooth realization of the knitting and turning actions of the upper knitting needles, and avoid the phenomenon of missing needles and hanging needles.

[0003] After searching, the opening and closing lifting structure of the pulling rake assembly of the computerized flat knitting machine with the authorization announcement number of CN217948425U can ensure the oblique pulling force applied to both sides of the fabric above the pulling rake assembly, thereby avoiding the advantages of missing stitches, broken edges, defects, etc. during the weaving process of the fabric, but the device has the following problems:

[0004] The device needs to synchronously bring the pulling rakes together during the lifting process. Due to the distance limit between the two pulling rakes, the lifting of the pulling rakes is relatively limited, which easily affects the pulling of the fabric.

[0005] Therefore, a multi-station computerized flat knitting machine traction rake lifting mechanism with high stability is proposed to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a multi-station computerized flat knitting machine traction rake lifting mechanism with high stability in order to solve the above-mentioned problem, thereby improving the problem that the device needs to synchronously bring the pulling rakes together during the lifting process, and the lifting of the pulling rakes is relatively limited due to the distance limitation between the two pulling rakes, which easily affects the pulling of the fabric.

[0007] The utility model achieves the above-mentioned purpose through the following technical solutions, a multi-station computerized flat knitting machine traction rake lifting mechanism with high stability, comprising:

[0008] A pulling rake assembly, wherein connecting rods are rotatably mounted on both sides of the pulling rake assembly;

[0009] A lifting mechanism, which is installed on both sides of the pulling rake assembly and can lift the pulling rake assembly;

[0010] The lifting mechanism comprises wall panels arranged on both sides of the pulling rake assembly, a sliding groove is provided on the surface of the wall panels, a driving assembly is slidably installed inside the sliding groove, and the driving assembly is used to lift the pulling rake assembly.

[0011] Preferably, the driving assembly includes a slide plate slidably mounted inside a slide groove, the end of the connecting rod away from the pulling rake assembly passes through the slide plate and extends to the outside of the slide plate, the connecting rod is located at one end of the slide plate and is fixedly mounted with a threaded seat, a first servo motor is installed on one side of the wall panel, a screw rod is fixedly mounted at the output end of the first servo motor, and the top end of the screw rod passes through the threaded seat and is threadedly connected thereto.

[0012] Preferably, a plurality of pulling rods are fixedly installed on both sides of the bottom of the pulling rake assembly, a rotating shaft seat is rotatably installed on the bottom end of the pulling rod, a threaded block is fixedly installed on the bottom end of the rotating shaft seat, and a bidirectional screw is rotatably installed on the bottom of the other side of the slide plate, and both ends of the bidirectional screw pass through the threaded block and are threadedly connected thereto.

[0013] Preferably, a worm wheel is installed on the surface of the bidirectional screw, a second servo motor is installed through one side of the slide, a worm is fixedly installed on the output end of the second servo motor, and the worm and the worm wheel are meshingly connected.

[0014] Preferably, support plates are rotatably mounted on both ends of the bidirectional screw, and one side of the support plate is fixedly connected to the slide plate.

[0015] Preferably, the number of the pulling rods is four, and two pulling rods are respectively installed on both sides of the bottom of the pulling rake assembly, and the pulling rods are rotatably connected to the threaded block through a rotating shaft seat.

[0016] Preferably, a shock absorbing seat is fixedly mounted on one side of the first servo motor, and the first servo motor is fixedly connected to the wall panel via the shock absorbing seat.

[0017] The beneficial effects of the utility model are:

[0018] 1. When the pulling rake assembly pulls the fabric, the first servo motor drives the lead screw to rotate, and the lead screw drives the connecting rod and the pulling rake assembly to move upward synchronously through the threaded connection with the threaded seat, so that the bottom of the fabric enters between the two pulling rakes. At the same time, the second servo motor drives the worm to rotate, and the worm drives the bidirectional screw to rotate through the meshing connection with the worm wheel, so that the two pulling rakes hook the fabric, which makes it easier to lift the pulling rake assembly and avoids the pulling rake assembly from getting too close during lifting, which affects the pulling of the fabric.

[0019] 2. When the second servo motor drives the bidirectional screw, the bidirectional screw drives the synchronous movement through the threaded connection with the two threaded blocks, so that the threaded blocks drive the two pulling rods to expand one side of the bottom of the pulling rake assembly, and drive the top of the pulling rake assembly to pull the fabric, which makes it easier to pull the fabric and allows the yarn being woven to be quickly in a tensioned state. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is a partial structural schematic diagram of the utility model;

[0022] Figure 3 This is a bottom view structural diagram of the drive assembly of the utility model;

[0023] Figure 4 for Figure 3 Magnified view of area A in the middle.

[0024] In the figure: 10, pulling rake assembly; 11, connecting rod; 20, lifting mechanism; 21, wall panel; 22, slide; 23, driving assembly; 231, slide plate; 232, threaded seat; 233, first servo motor; 234, lead screw; 235, pulling rod; 236, rotating shaft seat; 237, threaded block; 238, bidirectional screw; 239, worm gear; 2301, second servo motor; 2302, worm. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] When implementing: Figure 1-4 As shown, a multi-station computerized flat knitting machine traction rake lifting mechanism with high stability comprises:

[0027] A pulling rake assembly 10, with connecting rods 11 rotatably mounted on both sides of the pulling rake assembly 10;

[0028] A lifting mechanism 20, which is installed on both sides of the pulling rake assembly 10 and can lift the pulling rake assembly 10;

[0029] The lifting mechanism 20 includes wall panels 21 arranged on both sides of the pulling rake assembly 10 , a slide groove 22 is provided on the surface of the wall panel 21 , and a driving assembly 23 is slidably installed inside the slide groove 22 , and the driving assembly 23 is used to lift the pulling rake assembly 10 .

[0030] like Figure 1 , Figure 2 and Figure 3As shown, the driving assembly 23 includes a slide plate 231 slidably mounted inside the slide groove 22, one end of the connecting rod 11 away from the pulling rake assembly 10 passes through the slide plate 231 and extends to the outside of the slide plate 231, and a threaded seat 232 is fixedly mounted on one end of the connecting rod 11 located on the slide plate 231, a first servo motor 233 is installed on one side of the wall panel 21, and a screw rod 234 is fixedly mounted on the output end of the first servo motor 233, and the top end of the screw rod 234 passes through the threaded seat 232 and is threadedly connected thereto;

[0031] In this embodiment, the first servo motor 233 drives the screw rod 234 to rotate, and the screw rod 234 synchronously drives the connecting rod 11 and the pulling rake assembly 10 to move upward through the threaded connection with the threaded seat 232, so that the bottom of the fabric enters between the two pulling rakes; a shock-absorbing seat is fixedly installed on one side of the first servo motor 233, and the first servo motor 233 is fixedly connected to the wall panel 21 through the shock-absorbing seat.

[0032] like Figure 3 and Figure 4 As shown, a plurality of pulling rods 235 are fixedly installed on both sides of the bottom of the pulling rake assembly 10, a rotating shaft seat 236 is rotatably installed on the bottom end of the pulling rod 235, a threaded block 237 is fixedly installed on the bottom end of the rotating shaft seat 236, a bidirectional screw 238 is rotatably installed on the bottom of the other side of the slide plate 231, both ends of the bidirectional screw 238 penetrate the threaded block 237 and are threadedly connected thereto; a worm gear 239 is installed on the surface of the bidirectional screw 238, a second servo motor 2301 is penetrated and installed on one side of the slide plate 231, a worm 2302 is fixedly installed on the output end of the second servo motor 2301, and the worm 2302 is meshingly connected with the worm gear 239;

[0033] In this embodiment, the second servo motor 2301 drives the worm 2302 to rotate, and the worm 2302 drives the bidirectional screw 238 to rotate by meshing connection with the worm wheel 239, so that the two pulling rakes hook the fabric; and in the process of the second servo motor 2301 driving the bidirectional screw 238, the bidirectional screw 238 drives the two threaded blocks 237 to move synchronously by threaded connection with the two threaded blocks 237, so that the threaded blocks 237 drive the two pulling rods 235 to expand one side of the bottom of the pulling rake assembly 10, and drive the top of the pulling rake assembly 10 to pull the fabric;

[0034] In this embodiment, support plates are rotatably installed at both ends of the bidirectional screw 238, and one side of the support plate is fixedly connected to the slide plate 231; it is convenient to support the bidirectional screw 238 to prevent the bidirectional screw 238 from shaking during operation, which affects the stability of the threaded block 237; there are four pulling rods 235, and two pulling rods 235 are installed on both sides of the bottom of the pulling rake assembly 10, and the pulling rods 235 are rotatably connected to the threaded block 237 through the rotating shaft seat 236.

[0035] When the pulling rake assembly 10 of the utility model pulls the fabric, the first servo motor 233 works to drive the screw rod 234 to rotate, and the screw rod 234 synchronously drives the connecting rod 11 and the pulling rake assembly 10 to move upward through the threaded connection with the threaded seat 232, so that the bottom of the fabric enters between the two pulling rakes, and at the same time, the second servo motor 2301 works to drive the worm 2302 to rotate, and the worm 2302 drives the bidirectional screw 238 to rotate through the meshing connection with the worm wheel 239, so that the two pulling rakes hook the fabric; and in the process of the second servo motor 2301 driving the bidirectional screw 238, the bidirectional screw 238 drives the synchronous movement through the threaded connection with the two threaded blocks 237, so that the threaded blocks 237 drive the two pulling rods 235 to expand one side of the bottom of the pulling rake assembly 10, and drive the top of the pulling rake assembly 10 to pull the fabric.

[0036] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A multi-station computerized flat knitting machine with high stability, characterized in that: include: A pulling rake assembly (10), wherein connecting rods (11) are rotatably mounted on both sides of the pulling rake assembly (10); A lifting mechanism (20), wherein the lifting mechanism (20) is installed on both sides of the pulling rake assembly (10) and can lift the pulling rake assembly (10); The lifting mechanism (20) comprises wall panels (21) arranged on both sides of the pulling rake assembly (10), a sliding groove (22) is provided on the surface of the wall panels (21), a driving assembly (23) is slidably installed inside the sliding groove (22), and the driving assembly (23) is used to lift the pulling rake assembly (10).

2. According to claim 1, a multi-station computerized flat knitting machine traction rake lifting mechanism with high stability, characterized in that: The driving assembly (23) comprises a slide plate (231) slidably mounted inside the slide groove (22); one end of the connecting rod (11) away from the pulling rake assembly (10) passes through the slide plate (231) and extends to the outside of the slide plate (231); a threaded seat (232) is fixedly mounted on one end of the connecting rod (11) located on the slide plate (231); a first servo motor (233) is mounted on one side of the wall panel (21); a screw rod (234) is fixedly mounted on the output end of the first servo motor (233); the top end of the screw rod (234) passes through the threaded seat (232) and is threadedly connected thereto.

3. According to claim 2, a multi-station computerized flat knitting machine traction rake lifting mechanism with high stability, characterized in that: A plurality of pulling rods (235) are fixedly installed on both sides of the bottom of the pulling rake assembly (10), a rotating shaft seat (236) is rotatably installed at the bottom end of the pulling rod (235), a threaded block (237) is fixedly installed at the bottom end of the rotating shaft seat (236), and a bidirectional screw rod (238) is rotatably installed at the bottom of the other side of the slide plate (231), and both ends of the bidirectional screw rod (238) pass through the threaded block (237) and are threadedly connected thereto.

4. According to claim 3, a multi-station computerized flat knitting machine traction rake lifting mechanism with high stability, characterized in that: A worm wheel (239) is installed on the surface of the bidirectional screw (238), a second servo motor (2301) is installed through one side of the slide plate (231), a worm (2302) is fixedly installed on the output end of the second servo motor (2301), and the worm (2302) and the worm wheel (239) are meshingly connected.

5. According to claim 3, a multi-station computerized flat knitting machine traction rake lifting mechanism with high stability, characterized in that: Support plates are rotatably mounted on both ends of the bidirectional screw rod (238), and one side of the support plate is fixedly connected to the slide plate (231).

6. According to claim 3, a multi-station computerized flat knitting machine traction rake lifting mechanism with high stability, characterized in that: The number of the pulling rods (235) is four, and two pulling rods (235) are respectively installed on both sides of the bottom of the pulling rake assembly (10), and the pulling rods (235) are rotatably connected to the threaded block (237) through a rotating shaft seat (236).

7. According to claim 2, a multi-station computerized flat knitting machine traction rake lifting mechanism with high stability, characterized in that: A shock absorbing seat is fixedly mounted on one side of the first servo motor (233), and the first servo motor (233) is fixedly connected to the wall panel (21) via the shock absorbing seat.

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