CN220746228U

CN220746228U - Traction device for flat knitting machine

Info

Publication number: CN220746228U
Application number: CN202322007196.4U
Authority: CN
Inventors: 王娜
Original assignee: Wenzhou Hanna Import And Export Trade Co ltd
Current assignee: Wenzhou Hanna Import And Export Trade Co ltd
Priority date: 2023-07-28
Filing date: 2023-07-28
Publication date: 2024-04-09
Anticipated expiration: 2033-07-28

Abstract

The utility model relates to a traction device for a flat knitting machine, and belongs to the field of flat knitting machines. The utility model comprises a shell, a traction body, a driving mechanism and a guiding structure, wherein the traction body comprises a traction hook and a traction seat, and the traction hook is arranged on the traction seat; the driving mechanism comprises a traction rack, a spring pulling plate, a middle limiting block, a driven gear, a driving gear, a motor and a tension spring, wherein the motor is arranged at the rear of the shell, the driving gear is arranged on a rotating shaft of the motor, the driven gear is arranged above the driving gear, the middle limiting block is fixed in the shell, the traction rack is sleeved on the middle limiting block, the traction rack is matched with the driven gear, the spring pulling plate is clamped on the traction rack, the upper end of the tension spring is connected with the traction seat, and the lower end of the tension spring is connected with the spring pulling plate; the bottom of the traction body is contacted with the top of the traction rack, and the traction body is controlled to move up and down through a driving mechanism. The utility model has reasonable structural design, is stable and reliable, is convenient to assemble and disassemble, improves the overall quality and meets the use requirement.

Description

Traction device for flat knitting machine

Technical Field

The utility model relates to a traction device, in particular to a traction device for a flat knitting machine, and belongs to the field of flat knitting machines.

Background

The existing drawing mechanism for the flat knitting machine has the following defects: 1) The whole pulling device is too long to influence assembly and other structural interference; 2) When the traction hook seat stretches out, the left-right swing amplitude is too large, and the flatness of the braided fabric is affected.

Therefore, the pulling mechanism for the flat knitting machine has the advantages of reasonable structural design, stability, reliability and convenience in assembly and disassembly, and enables the pulled knitted fabric to be smoother.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide the traction device for the flat knitting machine, which has reasonable structural design, is stable and reliable, is convenient to assemble and disassemble and improves the overall quality.

The utility model solves the problems by adopting the following technical scheme: this flat knitting machine is with tractive device, including casing and tractive body, tractive body sets up in the casing, its characterized in that: the traction body comprises a traction hook and a traction seat, and the traction hook is arranged on the traction seat; the driving mechanism comprises a traction rack, a spring traction plate, a middle limiting block, a driven gear, a driving gear, a motor and a tension spring, wherein the motor is arranged at the rear of the shell, the driving gear is arranged on a rotating shaft of the motor, the driven gear is arranged above the driving gear, the driven gear is driven to rotate by the driving gear, the middle limiting block is fixed inside the shell, the traction rack is sleeved on the middle limiting block, the rack inside the traction rack is matched with the driven gear, the spring traction plate is clamped on the traction rack, the upper end of the tension spring is connected with the traction seat, and the lower end of the tension spring is connected with the spring traction plate; the bottom of the traction body is contacted with the top of the traction rack, the traction body is controlled to move up and down by a driving mechanism, when the driving mechanism ascends, the traction body moves upwards through the guide structure.

Preferably, the utility model further comprises a second limiting shaft, the traction hook is positioned through the second limiting shaft, the traction hook is movably connected and rotates around the second limiting shaft, and the traction hooks are arranged at the head of the traction seat side by side.

Preferably, the utility model further comprises a weight shaft, and the tail part of the traction hook is provided with the weight shaft; the function is to lift the traction hook to form a certain angle, so that the head of the traction hook is in a downward inclined state.

Preferably, the utility model further comprises a vertical long groove, and the traction body is placed in two symmetrical vertical long grooves in the shell.

Preferably, the utility model further comprises a vertical chute, a first round hole and a first limiting shaft, wherein the traction seat is provided with two vertical chute, the shell is provided with a first round hole, and the first limiting shaft penetrates through the first round hole and the first vertical chute.

Preferably, the vertical chute and the limiting shaft are matched to form a guide structure to control the traction body to move up and down along the shell.

Preferably, the utility model further comprises an elongated slot, and the elongated slot for placing the traction rack is arranged inside the shell.

Preferably, the utility model further comprises a round hole of the middle limiting block, and one end of the driving gear and one end of the driven gear are sleeved in the round hole of the middle limiting block.

Preferably, the utility model further comprises a round hole II and a round hole III, the upper end of the extension spring is fixed on the round hole II below the head of the traction seat, and the lower end of the extension spring is fixed on the round hole III of the spring pulling plate.

Preferably, the utility model further comprises a shield and a plurality of vertical long holes, wherein the shield is arranged on the shell, and the shield is provided with a plurality of vertical long holes.

Compared with the prior art, the utility model has the following advantages and effects: 1) The whole structure is reasonable in design, safe and reliable, and the influence on assembly and interference with other structures caused by the overlong whole traction device is avoided; 2) The shell is provided with the shield, the shield is provided with the vertical long holes which are used for the front end part of the traction hook to extend out, and the corresponding number of the vertical long holes are used for blocking the contact between the fabric and parts except the traction hook, so that the smooth traction of the fabric is facilitated, the width of the vertical long holes is slightly larger than that of the front end part of the traction hook, and the function of stabilizing the extending part of the traction hook to be overlong and easy to swing is also achieved.

Drawings

FIG. 1 is a schematic diagram illustrating the overall structure of an embodiment of the present utility model.

Fig. 2 is a schematic view of the structure of the elongated slot portion in the embodiment of the present utility model.

Fig. 3 is a schematic diagram illustrating the operation of the internal structure according to an embodiment of the present utility model.

Fig. 4 is a schematic diagram showing the working connection of the internal structure in the embodiment of the present utility model.

Fig. 5 is a schematic diagram showing the operation connection of the internal structure in the embodiment of the present utility model.

Fig. 6 is a schematic view of the structure of the shield in the embodiment of the present utility model.

In the figure: a traction body L, a guide structure I and a driving mechanism II; the traction device comprises a shell 1, a traction hook 2, a traction seat 3, a shield 4, a traction rack 5, a spring hanging plate 6, an intermediate limiting block 7, a driven gear 8, a driving gear 9, a motor 10, a limiting shaft I11 and a tension spring 12; the second limiting shaft 21, the counterweight shaft 22, the vertical chute 31, the second round hole 32, the vertical long hole 41, the third round hole 61, the middle limiting block round hole 71, the vertical long groove 101, the first round hole 102 and the long groove 103.

Detailed Description

The present utility model will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present utility model and not limited to the following examples.

Examples

Referring to fig. 1 to 6, the drawing device for a flat knitting machine of the embodiment includes a drawing body L, a guiding structure I and a driving mechanism II, wherein the drawing hook 2 and the drawing seat 3 form the drawing body L, the drawing hook 2 is mounted on the drawing seat 3 and is positioned by a limiting shaft two 21, the drawing hook 2 is movably connected and can rotate by taking the limiting shaft two 21 as a center, and a plurality of drawing hooks 2 are arranged at the head of the drawing seat 3 side by side; the tail part of the traction hook 2 is provided with a weight shaft 22 which is used for lifting the traction hook to form a certain angle so that the head part of the traction hook is in a downward inclined state.

The traction body L is placed in two symmetrical vertical long grooves 101 in the shell 1, the traction seat 3 is provided with two vertical chute 31, the corresponding shell 1 is provided with two round holes I102, and two limiting shafts I11 penetrate through the two round holes I102 and the two vertical chute 31 of the traction seat 3; the vertical chute 31 and the first limiting shaft 11 cooperate to form a guide structure I for controlling the pulling body L to move up and down along the vertical long groove 101 of the shell 1.

Referring to fig. 1, a motor 10 is installed at the rear of a housing 1, a driving gear 9 is installed on a rotation shaft of the motor 10, a driven gear 8 is disposed above the driving gear 9, and the driven gear 8 is rotated by the driving gear 9. The middle limiting block 7 is fixedly arranged in the shell 1, one ends of the driving gear 9 and the driven gear 8 are sleeved in the middle limiting block round hole 71, the traction rack 5 is sleeved on the middle limiting block 7, a long groove 103 (see fig. 2) for placing the traction rack 5 is arranged in the shell 1, the internal rack of the traction rack is matched with the driven gear 8, and the traction rack 5 is finally driven to move up and down along the vertical long groove 101 of the shell 1 through the motor 10; the spring pulling plate 6 is clamped on the pulling rack 5 and acts together with the pulling rack 5; the upper end of the extension spring 12 is fixed on a second round hole 32 below the head of the traction seat 3, and the lower end is fixed on a round hole 61 of the spring pull plate 6 (see figure 3); the motor 10, the driving gear 9, the driven gear 8, the middle limiting block 7, the traction rack 5, the spring pulling plate 6 and the extension spring 12 form a driving mechanism II together.

Referring to fig. 4, the bottom of the pulling body L contacts with the top of the pulling rack 5, the pulling body L is controlled by the driving mechanism II to move up and down, when the driving mechanism II rises, the pulling body L moves up through the guiding structure I, and firstly rises vertically along the vertical grooves of the two vertical chute 31, because the pulling hook 2 is actively connected, the pulling hook 2 can be easily driven by fabric to retract towards the direction of the shell during rising, thereby avoiding the influence on the quality of the fabric caused by the hook of the head of the pulling hook 2, when moving to the vertical chute 31, the pulling seat 3 starts to retract towards the inside of the shell 1, when rising to the highest point, the pulling seat 3 is completely retracted inside the shell 1, and the pulling hook 2 is retracted to the rear of the shield 4; at this time, a zero position is sensed by a sensing mechanism to prepare for the following pulling action.

Referring to fig. 5, when the driving mechanism II descends, the pulling seat 3 is pulled to descend by the tension spring 12 on the spring pulling plate 6, firstly, the pulling hook 2 stretches out of the casing 1 along the chute of the vertical chute 31 to the outermost point after the vertical chute, then, the pulling hook 2 hooks the fabric, and then, the pulling hook 2 starts to descend vertically, and at the moment, the pulling action starts.

Referring to fig. 6, a protecting cover 4 is provided on the casing 1, and vertical long holes 41 for extending the front end part of the pulling hook 2 are provided on the protecting cover 4, and the corresponding number of vertical long holes 41 are used for blocking the contact between the fabric and the parts except the pulling hook 2, so that the smooth pulling of the fabric is facilitated, the width of the vertical long holes 41 is slightly larger than the front end part of the pulling hook 2, and the function of stabilizing the long extending part of the pulling hook 2 and easy swinging is also achieved.

From the above description, those skilled in the art will be able to practice.

In addition, it should be noted that the specific embodiments described in the present specification may vary from part to part, from name to name, etc., and the above description in the present specification is merely illustrative of the structure of the present utility model. All equivalent or simple changes of the structure, characteristics and principle according to the inventive concept are included in the protection scope of the present patent. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a flat knitting machine pulls device, includes casing (1) and pulls body (L), pull body (L) setting in casing (1), its characterized in that: the traction device also comprises a driving mechanism (II) and a guiding structure (I), wherein the traction body (L) comprises a traction hook (2) and a traction seat (3), and the traction hook (2) is arranged on the traction seat (3); the driving mechanism (II) comprises a traction rack (5), a spring traction plate (6), a middle limiting block (7), a driven gear (8), a driving gear (9), a motor (10) and a tension spring (12), wherein the motor (10) is arranged behind the shell (1), the driving gear (9) is arranged on a rotating shaft of the motor (10), the driven gear (8) is arranged above the driving gear (9), the driven gear (8) is driven to rotate through the driving gear (9), the middle limiting block (7) is fixed in the shell (1), the traction rack (5) is sleeved on the middle limiting block (7), the rack in the traction rack (5) is matched with the driven gear (8), the spring traction plate (6) is clamped on the traction rack (5), the upper end of the tension spring (12) is connected with the traction seat (3), and the lower end of the tension spring (12) is connected with the spring traction plate (6); the bottom of the traction body (L) is contacted with the top of the traction rack (5), the traction body (L) is controlled to move up and down through a driving mechanism (II), and when the driving mechanism (II) ascends, the traction body (L) moves upwards through a guide structure (I).

2. The pulling device for a flat knitting machine according to claim 1, characterized in that: the traction hook (2) is positioned through the second limiting shaft (21), the traction hook (2) is movably connected and rotates by taking the second limiting shaft (21) as a center, and the traction hooks (2) are arranged at the head of the traction seat (3) side by side.

3. The pulling device for a flat knitting machine according to claim 1, characterized in that: the traction hook also comprises a weight shaft (22), and the weight shaft (22) is arranged at the tail part of the traction hook (2).

4. The pulling device for a flat knitting machine according to claim 1, characterized in that: the traction body (L) is placed in the two symmetrical vertical long grooves (101) in the shell (1).

5. The pulling device for a flat knitting machine according to claim 1, characterized in that: still include perpendicular chute (31), round hole one (102) and spacing axle one (11), traction seat (3) are provided with two perpendicular chute (31), are provided with two round holes one (102) on casing (1), and two spacing axle one (11) pass two round holes one (102) and two perpendicular chute (31).

6. The pulling device for flat knitting machine according to claim 5, characterized in that: the vertical chute (31) and the first limiting shaft (11) are matched to form a guide structure (I), and the traction body (L) is controlled to move up and down along the vertical long groove (101) of the shell (1).

7. The pulling device for a flat knitting machine according to claim 1, characterized in that: the traction rack is characterized by further comprising a long groove (103), and the long groove (103) for placing the traction rack (5) is arranged in the shell (1).

8. The pulling device for a flat knitting machine according to claim 1, characterized in that: the device also comprises a middle limiting block round hole (71), and one ends of the driving gear (9) and the driven gear (8) are sleeved in the middle limiting block round hole (71).

9. The pulling device for a flat knitting machine according to claim 1, characterized in that: the traction device further comprises a round hole II (32) and a round hole III (61), wherein the upper end of the tension spring (12) is fixed on the round hole II (32) below the head of the traction seat (3), and the lower end of the tension spring (12) is fixed on the round hole III (61) of the spring traction plate (6).

10. The pulling device for flat knitting machine according to claim 1, the method is characterized in that: the novel multifunctional electric heating device is characterized by further comprising a shield (4) and vertical long holes (41), wherein the shield (4) is arranged on the shell (1), and a plurality of vertical long holes (41) are formed in the shield (4).