CN214830997U - Scissors hook structure of glove knitting machine - Google Patents

Abstract

The utility model discloses a glove knitting machine scissors bush-hook structure, which comprises a mounting bas, be provided with scissors subassembly and bush-hook on the mount pad, the bush-hook is connected with the connecting rod structure one of its up-and-down motion of drive, the scissors subassembly is connected with the connecting rod structure two that its opened and shut of control, install on the mount pad with connecting rod structure one with the two complex double cam structures of connecting rod structure, double cam structural connection has its pivoted actuating mechanism of drive. The utility model adopts a double-cam structure to control the opening and closing of the scissors and the up-and-down movement of the hook knife, and adopts a simplified structure to realize the synchronous control of the scissors and the hook knife; the driving mode adopts a driving motor to drive a gear to transmit, so that the precision is high, and the reliability of control is improved. The utility model discloses overall structure designs compactly, simple to operate, and control is accurate and manufacturing cost is lower.

Description

Scissors hook structure of glove knitting machine

Technical Field

The utility model relates to a knitting machine technical field, more specifically relate to a glove machine scissors bush-hook structure.

Background

The scissors and the bush-hook device are auxiliary devices in the knitting process of the glove knitting machine, scissors and the bush-hook of the existing scissors and bush-hook mechanism are arranged on a mounting seat, the mounting seat is arranged on a guide rail between a left wall plate and a right wall plate of the glove knitting machine, and the mounting seat transversely slides along the guide rail under the control of a scissors transmission mechanism during work. At present, the vertical movement of a hook knife and the shearing movement of scissors of the glove knitting machine are transmitted through respective transmission mechanisms, the transmission mode is realized by adopting mechanisms such as a motor, an air cylinder and the like to drive a series of components such as a cam and the like, and the glove knitting machine has the disadvantages of various transmission parts, complex structure, unstable performance and inconvenient maintenance.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a glove machine scissors bush-hook structure, the action of scissors bush-hook is realized to synchronous control, compact structure, small in size, control is accurate.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a glove machine scissors bush-hook structure, includes the mount pad, be provided with scissors subassembly and bush-hook on the mount pad, the bush-hook is connected with its up-and-down motion's of drive link structure one, the scissors subassembly is connected with its link structure two that opens and shuts of control, install on the mount pad with link structure one with link structure two complex double cam structures, double cam structure is connected with its pivoted actuating mechanism of drive.

The driving mechanism controls the double cam structure to rotate to drive the first connecting rod structure and the second connecting rod structure to move, the hook cutter moves up and down to complete thread hooking, and meanwhile the scissors assembly is driven to open and close to complete the cutting action of the yarns. The utility model discloses an adopt two cam structure control scissors and bush-hook synchronous motion, overall structure cooperation is compact, reduces the complexity of spare part, occupies smallly, and control is accurate.

Furthermore, the driving mechanism comprises a driving motor arranged on the mounting seat, the driving motor is connected with a driving gear, the driving gear is meshed with a transmission gear, and the double-cam structure is connected with the transmission gear. The driving motor runs to drive the driving gear to rotate so as to drive the transmission gear meshed with the driving gear to rotate, and the double-cam structure is connected with the transmission gear, so that the rotation is realized under the electromotion of the transmission gear. Through gear engagement transmission, compact structure, efficient, the precision is high.

Further, the double-cam structure comprises a lower-layer cam and an upper-layer cam which are different in size, and the first connecting rod structure and the second connecting rod structure are respectively provided with a lug which is matched with the lower-layer cam and the upper-layer cam. The upper cam and the lower cam are coaxially arranged, the upper cam for controlling the scissors assembly is smaller than the lower cam for controlling the bush-hook, and therefore the scissors assembly can be closed to complete the thread cutting action under the condition that the bush-hook keeps in the position state of hooking the thread.

Further, the first connecting rod structure comprises a first hook cutter connecting rod and a second hook cutter connecting rod which are respectively connected with the mounting seat in a rotating mode, the upper end of the first hook cutter connecting rod is connected with the hook cutter, the lower end of the first hook cutter connecting rod is in lap joint with the second hook cutter connecting rod, and the second hook cutter connecting rod is matched and abutted with the lower layer cam.

Further, the second connecting rod structure comprises a first scissors connecting rod and a second scissors connecting rod which are respectively rotatably connected with the mounting seat, the upper end of the first scissors connecting rod is connected with the scissors assembly, the lower end of the first scissors connecting rod is in lap joint with the second scissors connecting rod, and the second scissors connecting rod is matched and abutted with the upper-layer cam.

The scissors connecting rod I and the bush-hook connecting rod II are coaxially arranged and are rotatably connected with the mounting seat, and when the double cam structure rotates, the lower-layer cam props against the convex block of the bush-hook connecting rod II to drive the convex block to swing, so that the bush-hook connecting rod I overlapped at the upper end swings to drive the bush-hook to move up and down; in a similar way, the upper layer cam pushes against the lug of the second scissors connecting rod to drive the second scissors connecting rod to swing, so that the first scissors connecting rod lapped at the upper end swings to drive the scissors to realize opening and closing actions.

Furthermore, the end parts of the first scissors connecting rod and the second scissors connecting rod are provided with clamping grooves with open ports, and the scissors assembly and the bush-hook are both provided with clamping columns which are matched and connected with the clamping grooves. The scissors connecting rod I and the bush-hook connecting rod II are both arranged to be bending rods, the connection cooperation of the structure can be adapted, unnecessary space is not occupied, the scissors assembly and the bush-hook are matched through the clamping column and the clamping groove, linkage is achieved, the clamping groove is provided with an open port, and replacement of parts is facilitated.

Further, the scissors assembly comprises a fixed blade and a movable blade, the movable blade is connected with a scissors rotating shaft, the scissors rotating shaft is connected with a scissors oscillating bar, and the scissors oscillating bar is connected with the second connecting rod structure.

The scissors swing rod is rotatably connected with the mounting seat through a swing rod shaft, two ends of the scissors swing rod are respectively provided with a connecting groove and a clamping column, the scissors rotating shaft is provided with a connecting column matched with the connecting groove, and the clamping column is matched and connected with a clamping groove of the second connecting rod structure. The connecting groove is set to be a long-shaped groove, the connecting column is clamped into the connecting groove, and the second connecting rod structure moves to drive the scissors oscillating bar to swing, so that the scissors rotating shaft is driven to rotate, and the scissors are opened and closed.

Furthermore, the first connecting rod structure and the second connecting rod structure are respectively connected with a first elastic resetting device and a second elastic resetting device. The first elastic reset device and the second elastic reset device are a hook cutter tension spring and a scissors tension spring respectively, so that the hook cutter and the scissors assembly can be reset automatically and smoothly.

Further, a bush-hook pressing plate is arranged on the mounting seat, and a wire hooking groove is formed in the upper end of the bush-hook pressing plate. The shape of colluding the line groove sets up to upper end open-ended tubaeform, and the notch bottom is the arc wall, behind the bush-hook colludes the line, guarantees that the yarn falls into colluding the line inslot smoothly, guarantees to collude line and trimming position accurate.

Further, stroke induction system is installed to the bottom of mount pad, and stroke induction system can effectively monitor motor rotating position including zero-position inductor and the response piece of mutually supporting, guarantees the precision of control action.

In summary, the utility model adopts a double-cam structure to control the opening and closing of the scissors and the up-and-down movement of the hook knife, and adopts a simplified structure to realize the synchronous control of the scissors and the hook knife; the driving mode adopts a driving motor to drive a gear to transmit, so that the precision is high, and the reliability of control is improved. The utility model discloses overall structure designs compactly, simple to operate, and control is accurate and manufacturing cost is lower.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is an exploded view of the overall structure of the present invention;

fig. 3 is a schematic view of the initial state of the present invention (with the scissors closed and the hook under);

FIG. 4 is a schematic view of the movement state of the present invention (scissors open the hook above);

fig. 5 is a schematic view of the thread cutting state (with the closed hook of the scissors below) of the present invention.

Description of the labeling: 1. a scissor assembly; 2. a mounting seat; 3. a scissor rotating shaft; 4. connecting columns; 5. connecting grooves; 6. a scissor swing link; 7. a drive motor; 8. a driving gear; 9. a stroke sensing device; 10. a transmission gear; 11. a lower cam; 12. an upper cam; 13. a second scissors connecting rod; 14. a second hook cutter connecting rod; 15. a scissor tension spring; 16. a first bush-hook connecting rod; 17. a first scissors connecting rod; 18. a bush-hook tension spring; 19. a bush-hook pressing plate; 20. a wire hooking groove; 21. a bush-hook; 22. clamping the column; 23. a null sensor; 24. an induction sheet; 25. a bump; 26. a card slot; 27. a swing rod shaft.

Detailed Description

The detailed description of the hook structure of the glove knitting machine scissors according to the present invention will be further described with reference to fig. 1 to 5.

The utility model provides a glove knitting machine scissors bush-hook 21 structure, includes mount pad 2, be provided with scissors subassembly 1 and bush-hook 21 on the mount pad 2, bush-hook 21 is connected with its up-and-down motion's of drive link structure one, scissors subassembly 1 is connected with its link structure two that open and shut of control, install on the mount pad 2 with link structure one with two complex double cam structures of link structure, double cam structure is connected with its pivoted actuating mechanism of drive.

The driving mechanism controls the double cam structure to rotate to drive the first connecting rod structure and the second connecting rod structure to move, the hook knife 21 moves up and down to complete thread hooking, and meanwhile the scissors assembly 1 is driven to open and close to complete the cutting action of the yarns. The utility model discloses an adopt two cam structure control scissors and bush-hook 21 synchronization action, overall structure cooperation is compact, reduces the complexity of spare part, occupies smallly, and control is accurate.

Preferably, in this embodiment, the driving mechanism includes a driving motor 7 disposed on the mounting base 2, the driving motor 7 is connected to a driving gear 8, the driving gear 8 is engaged with a transmission gear 10, and the double-cam structure is connected to the transmission gear 10. The driving motor 7 operates to drive the driving gear 8 to rotate so as to drive the transmission gear 10 meshed with the driving gear to rotate, and the double-cam structure is connected with the transmission gear 10, so that the transmission gear 10 is electrically driven to rotate. Through gear engagement transmission, compact structure, efficient, the precision is high.

Preferably, the double-cam structure includes a lower cam 11 and an upper cam 12 which are different in size, and the first link structure and the second link structure are respectively provided with a projection 25 which is matched with the lower cam 11 and the upper cam 12. The upper cam 12 and the lower cam 11 are coaxially arranged, the upper cam 12 of the control scissors assembly 1 is smaller than the lower cam 11 of the control hook cutter 21, the upper cam 12 and the lower cam 11 are provided with concave arc-shaped edges, along with the change of the radius of the cams, the first connecting rod structure and the second connecting rod structure swing, the maximum radius positions of the upper cam 12 and the lower cam 11 are synchronous (when the double cam structure rotates, the maximum radius positions simultaneously support the first connecting rod structure and the second connecting rod structure, the rotation is continued, when the hook cutter 21 keeps a pressing-down state due to the fact that the lower cam 11 is large, the second connecting rod structure of the scissors assembly 1 swings to complete the wire cutting action), and therefore the scissors assembly 1 can be guaranteed to complete the wire cutting action in a closed mode under the position state that the hook cutter 21 keeps a wire hooking state.

In this embodiment, preferably, the first connecting rod structure includes a first hook cutter connecting rod 16 and a second hook cutter connecting rod 14, which are respectively rotatably connected to the mounting base 2, the upper end of the first hook cutter connecting rod 16 is connected to the hook cutter 21, the lower end of the first hook cutter connecting rod 16 is overlapped with the second hook cutter connecting rod 14, and the second hook cutter connecting rod 14 is in fit abutment with the lower cam 11.

Preferably, the second connecting rod structure comprises a first scissors connecting rod 17 and a second scissors connecting rod 13 which are respectively rotatably connected with the mounting base 2, the upper end of the first scissors connecting rod 17 is connected with the scissors assembly 1, the lower end of the first scissors connecting rod 17 is in lap joint with the second scissors connecting rod 13, and the second scissors connecting rod 13 is in fit and abutting contact with the upper cam 12.

The scissors connecting rod I17 and the bush-hook connecting rod I16 are coaxially arranged, the scissors connecting rod II 13 and the bush-hook connecting rod II 14 are coaxially arranged and are rotatably connected with the mounting base 2, and when the double-cam structure rotates, the lower-layer cam 11 props against the convex block 25 of the bush-hook connecting rod II 14 to drive the same to swing, so that the bush-hook connecting rod I16 lapped at the upper end swings, and the bush-hook 21 is driven to move up and down; similarly, the upper cam 12 pushes against the projection 25 of the second scissors connecting rod 13 to drive the second scissors connecting rod to swing, so that the first scissors connecting rod 17 lapped at the upper end swings to drive the scissors to realize opening and closing actions.

In this embodiment, preferably, the ends of the first scissors connecting rod 17 and the second scissors connecting rod 13 are provided with a clamping groove 26 with an open port, and the scissors assembly 1 and the hook 21 are both provided with a clamping column 22 cooperatively connected with the clamping groove 26. The scissors connecting rod I17 and the bush-hook connecting rod II 14 are both arranged to be bending rods, the connection cooperation of the structure can be adapted, unnecessary space is not occupied, the scissors assembly 1 and the bush-hook 21 are matched with the clamping groove 26 through the clamping column 22, linkage is achieved, the clamping groove 26 is provided with an open port, and replacement of parts is facilitated.

Preferably, the scissors assembly 1 comprises a fixed blade and a movable blade, the movable blade is connected with a scissors rotating shaft 3, the scissors rotating shaft 3 is connected with a scissors swing rod 6, and the scissors swing rod 6 is connected with the connecting rod structure II.

The scissors swing rod 6 is rotatably connected with the mounting base 2 through a swing rod shaft 27, the two ends of the scissors swing rod 6 are respectively provided with a connecting groove 5 and a clamping column 22, the scissors rotating shaft 3 is provided with a connecting column 4 matched with the connecting groove 5, and the clamping column 22 is matched and connected with a clamping groove 26 of the connecting rod structure II. The connecting groove 5 is a long groove, the connecting column 4 is clamped in the connecting groove 5, and the connecting rod structure II moves to drive the scissors oscillating bar 6 to swing, so that the scissors rotating shaft 3 is driven to rotate, and the scissors are opened and closed.

Preferably, the first link structure and the second link structure are respectively connected with a first elastic resetting device and a second elastic resetting device. The first elastic resetting device and the second elastic resetting device are respectively a hook knife tension spring 18 and a scissors tension spring 15, so that the hook knife 21 and the scissors assembly 1 smoothly realize automatic resetting.

In this embodiment, preferably, the mounting base 2 is provided with a hook-knife pressing plate 19, and a wire hooking groove 20 is formed in the upper end of the hook-knife pressing plate 19. The shape of colluding line groove 20 sets up to upper end open-ended tubaeform, and the notch bottom is the arc wall, behind the bush-hook 21 colludes the line, guarantees that the yarn falls into colluding line groove 20 smoothly, guarantees to collude line and trimming position accurately.

One end of the hook knife tension spring 18 is fixed with the hook knife pressing plate 19, the other end of the hook knife tension spring is fixed with the upper end of the first hook knife connecting rod 16, when the hook knife 21 is driven to press down, the hook knife tension spring 18 is stretched, and when the hook knife 21 needs to be restored to the ascending state, the hook knife tension spring 18 restores to deform to generate acting force to drive the hook knife 21 to reset.

Similarly, the one end of scissors extension spring 15 is fixed with mount pad 2, and the other end is fixed with the lower extreme of scissors connecting rod 17, and when scissors subassembly 1 was driven and was realized opening, scissors extension spring 15 was elongated, when scissors subassembly 1 need reply the closure state, scissors extension spring 15 resumeed the effort that deformation produced and drives scissors subassembly 1 and reset.

The main shaft of the driving motor 7 extends out of the end of the driving gear 8, and the second hook cutter connecting rod 14 is matched, resisted and limited, so that the reverse swing of the second hook cutter connecting rod is avoided.

The working principle of the present invention is explained with reference to fig. 3 to 5:

the driving motor 7 operates under the action of the driving gear 8 and the transmission gear 10 to drive the double-cam structure to rotate anticlockwise, the lower-layer cam 11 jacks a second bush-hook connecting rod 14 and a first bush-hook connecting rod 16, the upper end of the first bush-hook connecting rod 16 swings downwards to drive a bush-hook 21 connected with the first bush-hook connecting rod to move downwards, the double-cam structure continues to rotate, the upper-layer cam 12 jacks a second scissors connecting rod 13 and a first scissors connecting rod 17 to swing, and the upper end of the first scissors connecting rod 17 drives a scissors swing rod 6 of the scissors assembly 1 to swing downwards to drive the scissors rotating shaft 3 to rotate, so that the movable blade is driven to realize closed line cutting. During the movement, the scissors tension spring 15 and the bush-hook tension spring 18 are stretched, and after the thread cutting is finished, under the action of the driving motor 7, when the double-cam structure is reversed, the scissors and the bush-hook 21 are reset under the action of the deformation restoring force of the scissors tension spring 15 and the bush-hook tension spring 18.

This embodiment is preferred, stroke induction system 9 is installed to the bottom of mount pad 2, and stroke induction system 9 can effectively monitor motor rotating position including mutually supporting zero sensor 23 and response piece 24, guarantees the precision of control action.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a glove knitting machine scissors bush-hook structure which characterized in that: the scissors assembly and the bush-hook are arranged on the mounting seat, the bush-hook is connected with a first connecting rod structure for driving the upper and lower movement of the scissors assembly, the scissors assembly is connected with a second connecting rod structure for controlling the opening and closing of the scissors assembly, the mounting seat is provided with a double cam structure matched with the first connecting rod structure and the second connecting rod structure, and the double cam structure is connected with a driving mechanism for driving the double cam structure to rotate.

2. The glove machine scissors bush-hook structure of claim 1, wherein: the driving mechanism comprises a driving motor arranged on the mounting seat, the driving motor is connected with a driving gear, the driving gear is meshed with a transmission gear, and the double-cam structure is connected with the transmission gear.

3. The glove machine scissors bush-hook structure of claim 1, wherein: the double-cam structure comprises a lower-layer cam and an upper-layer cam which are different in size, and the first connecting rod structure and the second connecting rod structure are respectively provided with a lug matched with the lower-layer cam and the upper-layer cam.

4. The glove machine scissors bush-hook structure of claim 3, wherein: the first connecting rod structure comprises a first hook cutter connecting rod and a second hook cutter connecting rod which are respectively connected with the mounting seat in a rotating mode, the upper end of the first hook cutter connecting rod is connected with the hook cutter, the lower end of the first hook cutter connecting rod is in lap joint with the second hook cutter connecting rod, and the second hook cutter connecting rod is matched with the lower layer cam to abut against the lower layer cam.

5. The glove machine scissors bush-hook structure of claim 4, wherein: the second connecting rod structure comprises a first scissors connecting rod and a second scissors connecting rod which are respectively rotatably connected with the mounting base, the upper end of the first scissors connecting rod is connected with the scissors assembly, the lower end of the first scissors connecting rod is in lap joint with the second scissors connecting rod, and the second scissors connecting rod is matched and abutted with the upper-layer cam.

6. The glove machine scissors bush-hook structure of claim 5, wherein: the end parts of the first scissors connecting rod and the second scissors connecting rod are provided with clamping grooves with open ports, and the scissors assembly and the bush-hook are both provided with clamping columns which are matched and connected with the clamping grooves.

7. The glove machine scissors bush-hook structure of claim 1, wherein: the scissors assembly comprises a fixed blade and a movable blade, the movable blade is connected with a scissors rotating shaft, the scissors rotating shaft is connected with a scissors oscillating bar, and the scissors oscillating bar is connected with the connecting rod structure II.

8. The glove machine scissors bush-hook structure of claim 1, wherein: the first connecting rod structure and the second connecting rod structure are respectively connected with a first elastic resetting device and a second elastic resetting device.

9. The glove machine scissors bush-hook structure of claim 1, wherein: the mounting seat is provided with a bush-hook pressing plate, and the upper end of the bush-hook pressing plate is provided with a wire hooking groove.

10. The glove machine scissors bush-hook structure of claim 1, wherein: and a stroke sensing device is arranged at the bottom of the mounting seat.

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