阅读说明：本技术 一种自动拉线机构 (Automatic wire pulling mechanism ) 是由 洪健 于 2021-09-28 设计创作，主要内容包括：本发明涉及一种自动拉线机构,底板上通过若干高度调整装置支撑固定顶板,顶板上设有能够沿着拉线方向滑行的移动板,移动板上立有立板,移动板上设有自由转动的线轮,线轮位于立板一侧,立板的侧壁上设有与线轮配合进行放线的放线组件,沿着拉线方向滑动的开合组件包括架设在机架上的滑杆以及能够沿着滑杆滑动的滑块,滑块上开设有两个以拉线方向为轴轴对称分布的滑槽,一对夹爪片开合的过程中与滑槽滑动配合,滑块一侧的侧面通过弹性件和机架连接,滑块的另一侧设有由第二驱动装置驱动转动的偏心凸轮,偏心凸轮在转动的过程中与滑块另一侧的侧面抵触配合；本发明提供了一种解决人工穿线困难,穿线效率低下的自动拉线机构。(The invention relates to an automatic wire drawing mechanism, a bottom plate supports and fixes a top plate through a plurality of height adjusting devices, a moving plate capable of sliding along a wire drawing direction is arranged on the top plate, a vertical plate is erected on the moving plate, wire wheels capable of rotating freely are arranged on the moving plate, the wire wheels are positioned on one side of the vertical plate, a wire drawing component matched with the wire wheels for drawing wires is arranged on the side wall of the vertical plate, an opening and closing component sliding along the wire drawing direction comprises a sliding rod erected on a rack and a sliding block capable of sliding along the sliding rod, two sliding grooves symmetrically distributed by taking the wire drawing direction as an axis are formed in the sliding block, a pair of clamping jaw pieces are in sliding fit with the sliding grooves in the opening and closing process, the side face of one side of the sliding block is connected with the rack through an elastic piece, a second driving device drives a rotating eccentric cam to rotate is arranged on the other side face of the sliding block in the rotating process; the invention provides an automatic wire pulling mechanism which solves the problems of difficult manual threading and low threading efficiency.)

1. The utility model provides an automatic wire drawing mechanism which characterized in that: the wire drawing mechanism comprises a wire drawing mechanism and a wire clamping mechanism, wherein the wire drawing mechanism comprises a bottom plate (1), a top plate (2), a movable plate (3) and a vertical plate (4), the bottom plate (1) is supported and fixed by a plurality of height adjusting devices, the top plate (2) is provided with the movable plate (3) which can slide along the wire drawing direction, the vertical plate (4) is erected on the movable plate (3), the movable plate (3) is provided with a wire wheel (5) capable of rotating freely, the wire wheel (5) is positioned on one side of the vertical plate (4), the side wall of the vertical plate (4) is provided with a wire drawing assembly which is matched with the wire wheel (5) to perform wire drawing, the wire clamping mechanism slides along the wire drawing direction under the driving of a first driving device, and comprises a second driving device and a pair of clamping jaw pieces (6) which are controlled to open and close by an opening and closing assembly, the subassembly that opens and shuts including erectting slide bar (8) in frame (7) and can along slide bar (8) gliding slider (9), set up two spout (10) that use the stay wire direction as axle symmetry distribution on slider (9), it is a pair of the in-process that gripper blade (35) opened and shut with spout (10) sliding fit, the side of slider (9) one side is passed through elastic component (11) and is connected with frame (7), the opposite side of slider (9) is equipped with by second drive arrangement drive pivoted eccentric cam (12), eccentric cam (12) in the pivoted in-process with the side conflict cooperation of slider (9) opposite side.

2. The automatic wire pulling mechanism according to claim 1, wherein: the paying-off assembly comprises a hook (13), a yarn clamp (14), a guide ring (15) and an auxiliary shaft (16) which are sequentially arranged along a paying-off direction, and the auxiliary shaft (16) is erected on a support (17).

3. The automatic wire pulling mechanism according to claim 1, wherein: the top plate (2) is provided with a plunger hole, and the moving plate (3) is provided with a limiting hole (19) for a plunger (18) to penetrate through and be fixed in the plunger hole.

4. The automatic wire pulling mechanism according to claim 1, wherein: the height adjusting device comprises a height adjusting block (20) and a clamping block (21) fixed to the bottom of the top plate (2), a vertical sliding hole (22) is formed in the height adjusting block (20), and the clamping block (21) is clamped in the sliding hole (22).

5. The automatic wire pulling mechanism according to claim 1, wherein: and a drawer sliding rail (23) arranged along the wire pulling direction is arranged between the moving plate (3) and the top plate (2).

6. The automatic wire pulling mechanism according to claim 1, wherein: and a drawer (24) connected with the moving plate (3) is arranged on the other side of the vertical plate (4).

7. The automatic wire pulling mechanism according to claim 1, wherein: the first driving device comprises a stepping motor (25), a synchronous belt wheel (26) and a screw rod (27), the synchronous belt wheel (26) driven by the stepping motor (25) drives the screw rod (27) to synchronously rotate, and a wire clamping mechanism driven on the screw rod (27) slides along a sliding rail (28) in a wire pulling direction.

8. The automatic wire pulling mechanism according to claim 1, wherein: a pair of articulated post (29) of articulated department of clamping jaw piece (6) is fixed in frame (7), the one end of clamping jaw piece (6) is established to snatch end (30), the other end of clamping jaw piece (6) is established to slide end (31) with spout (10) sliding fit, articulated department is located snatch between end (30) and the end (31) that slides.

9. The automatic wire pulling mechanism according to claim 1, wherein: the elastic piece (11) sleeved outside the sliding rod (8) between the sliding block (9) and the rack (7) is a spring.

10. The automatic wire pulling mechanism according to claim 1, wherein: the eccentric cam (12) that connects in the direct current motor (32) drive pivot among the second drive arrangement rotates, be equipped with on eccentric cam (12) and follow eccentric cam (12) pivoted response piece (33), be fixed with two and use the inductor (34) of acting as the axial symmetry arrangement of line direction on frame (7), two inductor (34) one of them inductor response eccentric cam (12) contradict the position of meeting with slider (9).

Technical Field

The invention relates to the field of mechanical production, in particular to an automatic wire pulling mechanism.

Background

With the development of society, the human cost is gradually increased, the automation industry is aroused, the wide use of automation equipment cannot be replaced, and the great popularization of the automation equipment, which is an important tool, can save a large amount of manpower and material resources for various industries. The quality of the product is improved, and the yield benefit is increased.

In the process of filing and arranging files and file materials, the file needs to be threaded. At present, the thread is manually cut to a proper length, the efficiency is low, and the perforation is not easy to occur.

In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create an automatic wire pulling mechanism, so that the automatic wire pulling mechanism has more industrial utility value.

Disclosure of Invention

In order to solve the technical problems, the invention aims to provide an automatic wire pulling mechanism which solves the problems of difficult manual threading and low threading efficiency.

The automatic wire drawing mechanism comprises a wire drawing mechanism and a wire clamping mechanism, wherein the wire drawing mechanism comprises a bottom plate, a top plate, a movable plate and a vertical plate, the bottom plate is supported and fixed on the top plate through a plurality of height adjusting devices, the movable plate capable of sliding along the wire drawing direction is arranged on the top plate, the vertical plate is erected on the movable plate, a wire wheel capable of rotating freely is arranged on the movable plate, the wire wheel is positioned on one side of the vertical plate, a wire drawing component matched with the wire wheel for drawing wires is arranged on the side wall of the vertical plate, the wire clamping mechanism slides along the wire drawing direction under the driving of a first driving device, the wire clamping mechanism comprises a second driving device and a pair of clamping jaw pieces controlled to be opened and closed by an opening and closing component, the opening and closing component comprises a sliding rod erected on a frame and a sliding block capable of sliding along the sliding rod, two sliding grooves which are symmetrically distributed by taking the wire drawing direction as an axis are formed in the sliding block, the pair of clamping jaw pieces are in sliding fit with the sliding grooves in the opening and closing processes, the side face of one side of the sliding block is connected with the rack through an elastic piece, the other side of the sliding block is provided with an eccentric cam driven to rotate by the second driving device, and the eccentric cam is in interference fit with the side face of the other side of the sliding block in the rotating process.

The automatic wire drawing mechanism provided by the invention is further improved, the wire drawing assembly comprises a hook, a yarn clamp, a guide ring and an auxiliary shaft which are sequentially arranged along the wire drawing direction, and the auxiliary shaft is erected on a support.

The automatic wire pulling mechanism provided by the invention is further improved, the top plate is provided with a plunger hole, and the moving plate is provided with a limiting hole for a plunger to pass through and be fixed in the plunger hole.

The automatic wire pulling mechanism provided by the invention is further improved, the height adjusting device comprises a height adjusting block and a clamping block fixed at the bottom of the top plate, a vertical sliding hole is formed in the height adjusting block, and the clamping block is clamped in the sliding hole.

The automatic wire drawing mechanism provided by the invention is further improved, and a drawer sliding rail arranged along the wire drawing direction is arranged between the moving plate and the top plate.

The automatic wire pulling mechanism provided by the invention is further improved, and a drawer connected with the moving plate is arranged on the other side of the vertical plate.

The automatic wire pulling mechanism provided by the invention is further improved, the first driving device comprises a stepping motor, a synchronous belt pulley and a screw rod, the synchronous belt pulley driven by the stepping motor drives the screw rod to synchronously rotate, and a wire clamping mechanism driven on the screw rod slides along a slide rail in the wire pulling direction.

The automatic wire pulling mechanism provided by the invention is further improved, a pair of hinged columns at the hinged positions of the clamping jaw pieces are fixed on the rack, one end of each clamping jaw piece is set as a grabbing end, the other end of each clamping jaw piece is set as a sliding end in sliding fit with the sliding groove, and the hinged position is positioned between the grabbing end and the sliding end.

The automatic wire pulling mechanism provided by the invention is further improved, and the elastic piece sleeved outside the sliding rod between the sliding block and the rack is a spring.

The automatic wire drawing mechanism provided by the invention is further improved, the direct current motor in the second driving device drives the eccentric cam connected on the rotating shaft to rotate, the eccentric cam is provided with an induction sheet rotating along with the eccentric cam, two inductors which are axially and symmetrically arranged by taking the wire drawing direction as an axis are fixed on the rack, and one inductor of the two inductors induces the position where the eccentric cam is abutted and connected with the sliding block.

By the scheme, the invention at least has the following advantages:

1. the functions of automatic paying-off and wire pulling are realized;

2. controlling the length of the thread to the length required by threading and knotting;

3. the line can be accurately placed below the top line;

4. the binding machine is suitable for various binding machines.

The invention has the functions of the placing platform, such as shrinkage and folding, reverse paper twisting, automatic paper feeding, paper pressing plate mechanisms and the like, wherein the shrinkage and folding of the placing platform can reduce a certain internal space, and the invention has strong optimization on the whole rack. The automatic paper feeding and rubbing adopts a rubbing mode, and has strong inclusiveness to the types of paper.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

FIG. 1 is a schematic structural diagram of an automatic wire pulling mechanism provided by the present invention;

FIG. 2 is a schematic structural diagram of a pay-off mechanism on a bottom plate in an automatic wire pulling mechanism provided by the invention;

FIG. 3 is a right side view of a wire releasing mechanism on a bottom plate of the automatic wire pulling mechanism provided by the present invention;

FIG. 4 is a top view of a wire releasing mechanism on a bottom plate of the automatic wire pulling mechanism provided by the invention;

FIG. 5 is a schematic structural view of a pay-off mechanism on a bottom plate in the automatic wire pulling mechanism provided by the invention;

FIG. 6 is a schematic structural diagram of a wire clamping mechanism in an automatic wire pulling mechanism provided by the invention;

FIG. 7 is a schematic structural view of the wire clamping mechanism of the automatic wire pulling mechanism provided by the invention when a pair of clamping jaw sheets are opened;

FIG. 8 is a bottom view of FIG. 7;

FIG. 9 is a top view of FIG. 7;

FIG. 10 is a front view of FIG. 7;

FIG. 11 is a schematic structural view of a pair of clamping jaw pieces in the wire clamping mechanism of the automatic wire pulling mechanism provided by the invention when closed;

FIG. 12 is a bottom view of FIG. 11;

FIG. 13 is a top view of FIG. 11;

fig. 14 is a front view of fig. 11.

1 bottom plate 2 top plate

3 moving plate 4 vertical plate

5-wire wheel 6-clamping jaw sheet

7 rack 8 slide bar

9 slide block and 10 slide groove

11 elastic member 12 eccentric cam

13-hook 14-shaped yarn gripper

15 guide ring 16 auxiliary shaft

17 bracket 18 plunger

19 height adjusting block for limiting hole 20

21 clamping block 22 sliding hole

23 drawer slide rail 24 drawer

25 stepping motor 26 synchronous belt wheel

27 screw 28 slide rail

29 hinged column 30 gripping end

31 sliding end 32 DC motor

33 induction sheet 34 inductor

35 clamping jaw piece 36 transmission block

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

An automatic wire drawing mechanism shown in fig. 1 to 14 comprises a wire drawing mechanism and a wire clamping mechanism, the wire drawing mechanism comprises a bottom plate 1, a top plate 2, a movable plate 3 and a vertical plate 4, the bottom plate 1 supports and fixes the top plate 2 through a plurality of height adjusting devices, the top plate 2 is provided with the movable plate 3 capable of sliding along the wire drawing direction, the vertical plate 4 is erected on the movable plate 3, the movable plate 3 is provided with a wire wheel 5 capable of rotating freely, the wire wheel 5 is positioned at one side of the vertical plate 4, the side wall of the vertical plate 4 is provided with a wire drawing component matched with the wire wheel 5 for wire drawing, the wire clamping mechanism slides along the wire drawing direction under the driving of a first driving device, the wire clamping mechanism comprises a second driving device and a pair of clamping jaw pieces 6 controlled to open and close by an opening and closing component, the opening and closing component comprises a slide bar 8 erected on a frame 7 and a slide block 9 capable of sliding along the slide bar 8, the slide block 9 is provided with two slide grooves 10 symmetrically distributed by taking the wire drawing direction as an axis, the pair of clamping claw pieces 35 are in sliding fit with the sliding groove 10 in the opening and closing process, the side face of one side of the sliding block 9 is connected with the rack 7 through the elastic piece 11, the other side of the sliding block 9 is provided with an eccentric cam 12 driven to rotate by the second driving device, and the eccentric cam 12 is in interference fit with the side face of the other side of the sliding block 9 in the rotating process.

The principle of the automatic wire pulling mechanism provided by the invention is as follows:

an operator places the wire wheel on a shaft where a bearing on the movable plate 3 is positioned, pushes or pushes the movable plate 3 from the bottom plate, and after the equipment runs, the first driving device drives the thread clamping mechanism to move to the thread end at a proper time, the thread end of the thread releasing mechanism is clamped through the opening and closing of the clamping jaw mechanism, the thread clamping mechanism is driven to reciprocate, when the eccentric cam 12 rotates to be in interference fit with the side surface on the other side of the sliding block 9, the extruded sliding block extrudes the elastic piece 11 inwards to extrude and deform the elastic piece, at the same time, the pair of gripper members 35 is slidably engaged with the slide groove 10, the pair of gripper members 35 is opened, the continuously rotating eccentric cam 12 is no longer in abutting engagement with the side surface on the other side of the slider 9, the restored elastic member 11 pushes the slider back to the position before being extruded, and the pair of gripper members 35 is closed, thereby pulling the string to the original position.

Example 1

In the embodiment, the automatic wire pulling mechanism shown in fig. 1 to 5 comprises a wire releasing mechanism and a wire clamping mechanism, the wire releasing mechanism comprises a bottom plate 1, a top plate 2, a movable plate 3 and a vertical plate 4, the bottom plate 1 supports the fixed top plate 2 through a plurality of height adjusting devices, the top plate 2 is provided with the movable plate 3 capable of sliding along the wire pulling direction, the vertical plate 4 is erected on the movable plate 3, the movable plate 3 is provided with a wire wheel 5 capable of rotating freely, the wire wheel 5 is positioned at one side of the vertical plate 4, the side wall of the vertical plate 4 is provided with a wire releasing assembly matched with the wire wheel 5 for releasing wire, the wire clamping mechanism slides along the wire pulling direction under the driving of a first driving device, the wire clamping mechanism comprises a second driving device and a pair of clamping jaw pieces 6 controlled to open and close by an opening and closing assembly, the opening and closing assembly comprises a sliding rod 8 erected on a frame 7 and a sliding block 9 capable of sliding along the sliding rod 8, the sliding block 9 is provided with two sliding grooves 10 which are symmetrically distributed by taking the wire pulling direction as an axis, the pair of clamping jaw pieces 35 are in sliding fit with the sliding groove 10 in the opening and closing process, the side face of one side of the sliding block 9 is connected with the rack 7 through the elastic piece 11, the other side of the sliding block 9 is provided with an eccentric cam 12 driven to rotate by the second driving device, the eccentric cam 12 is in interference fit with the side face of the other side of the sliding block 9 in the rotating process, the paying-off assembly comprises a hook 13, a yarn clamping device 14, a guide ring 15 and an auxiliary shaft 16 which are sequentially arranged along the wire pulling direction, and the auxiliary shaft 16 is erected on the support 17.

The principle of the automatic wire pulling mechanism provided by the embodiment is as follows:

an operator places the wire wheel on a shaft where a bearing on the movable plate 3 is located, the movable plate 3 is pushed or pushed out from the bottom plate, after the equipment runs, the first driving device drives the wire clamping mechanism to move to the wire end at a proper time, the wire end of the wire releasing mechanism is clamped through opening and closing of the clamping jaw mechanism, the wire clamping mechanism is driven to reciprocate, and therefore the wire is pulled to the original position. When the eccentric cam 12 rotates to be in contact fit with the side face on the other side of the sliding block 9, the extruded sliding block extrudes the elastic piece 11 inwards to enable the elastic piece to be extruded and deformed, meanwhile, the pair of clamping claw pieces 35 are in sliding fit with the sliding groove 10, the pair of clamping claw pieces 35 are opened, the eccentric cam 12 which continuously rotates does not contact and fit with the side face on the other side of the sliding block 9 any more, the recovered elastic piece 11 can push the sliding block back to the position before the sliding block is extruded, and meanwhile, the pair of clamping claw pieces 35 are closed. Pay off the line subassembly among the paying off mechanism and included couple 13, gripper 14, guide ring 15 and the auxiliary shaft 16 that arranges in proper order along the direction of acting as go-between, wherein, auxiliary shaft 16 erects on support 17, can stand out the setting of riser 4, conveniently walks the line.

Example 2

In the embodiment, the automatic wire pulling mechanism shown in fig. 1 to 5 comprises a wire releasing mechanism and a wire clamping mechanism, the wire releasing mechanism comprises a bottom plate 1, a top plate 2, a movable plate 3 and a vertical plate 4, the bottom plate 1 supports the fixed top plate 2 through a plurality of height adjusting devices, the top plate 2 is provided with the movable plate 3 capable of sliding along the wire pulling direction, the vertical plate 4 is erected on the movable plate 3, the movable plate 3 is provided with a wire wheel 5 capable of rotating freely, the wire wheel 5 is positioned at one side of the vertical plate 4, the side wall of the vertical plate 4 is provided with a wire releasing assembly matched with the wire wheel 5 for releasing wire, the wire clamping mechanism slides along the wire pulling direction under the driving of a first driving device, the wire clamping mechanism comprises a second driving device and a pair of clamping jaw pieces 6 controlled to open and close by an opening and closing assembly, the opening and closing assembly comprises a sliding rod 8 erected on a frame 7 and a sliding block 9 capable of sliding along the sliding rod 8, the sliding block 9 is provided with two sliding grooves 10 which are symmetrically distributed by taking the wire pulling direction as an axis, the pair of clamping jaw pieces 35 are in sliding fit with the sliding groove 10 in the opening and closing process, the side face of one side of the sliding block 9 is connected with the rack 7 through the elastic piece 11, the other side of the sliding block 9 is provided with an eccentric cam 12 driven to rotate by the second driving device, the eccentric cam 12 is in interference fit with the side face of the other side of the sliding block 9 in the rotating process, the top plate 2 is provided with a plunger hole, and the moving plate 3 is provided with a limiting hole 19 for the plunger 18 to penetrate through and be fixed in the plunger hole.

The principle of the automatic wire pulling mechanism provided by the invention is as follows:

an operator places the wire wheel on a shaft where a bearing on the movable plate 3 is located, the movable plate 3 is pushed or pushed out from the bottom plate, after the equipment runs, the first driving device drives the wire clamping mechanism to move to the wire end at a proper time, the wire end of the wire releasing mechanism is clamped through opening and closing of the clamping jaw mechanism, the wire clamping mechanism is driven to reciprocate, and therefore the wire is pulled to the original position. When the eccentric cam 12 rotates to be in contact fit with the side face on the other side of the sliding block 9, the extruded sliding block extrudes the elastic piece 11 inwards to enable the elastic piece to be extruded and deformed, meanwhile, the pair of clamping claw pieces 35 are in sliding fit with the sliding groove 10, the pair of clamping claw pieces 35 are opened, the eccentric cam 12 which continuously rotates does not contact and fit with the side face on the other side of the sliding block 9 any more, the recovered elastic piece 11 can push the sliding block back to the position before the sliding block is extruded, and meanwhile, the pair of clamping claw pieces 35 are closed. The top plate 2 is provided with a plunger hole, the moving plate 3 is provided with a limiting hole 19 for the plunger 18 to pass through and be fixed in the plunger hole, and when the moving plate 3 moves to a proper position on the bottom plate 1, the plunger 18 is inserted into the plunger hole and the limiting hole 19 to limit the moving plate 3.

Example 3

In the embodiment, the automatic wire pulling mechanism shown in fig. 1 to 5 comprises a wire releasing mechanism and a wire clamping mechanism, the wire releasing mechanism comprises a bottom plate 1, a top plate 2, a movable plate 3 and a vertical plate 4, the bottom plate 1 supports the fixed top plate 2 through a plurality of height adjusting devices, the top plate 2 is provided with the movable plate 3 capable of sliding along the wire pulling direction, the vertical plate 4 is erected on the movable plate 3, the movable plate 3 is provided with a wire wheel 5 capable of rotating freely, the wire wheel 5 is positioned at one side of the vertical plate 4, the side wall of the vertical plate 4 is provided with a wire releasing assembly matched with the wire wheel 5 for releasing wire, the wire clamping mechanism slides along the wire pulling direction under the driving of a first driving device, the wire clamping mechanism comprises a second driving device and a pair of clamping jaw pieces 6 controlled to open and close by an opening and closing assembly, the opening and closing assembly comprises a sliding rod 8 erected on a frame 7 and a sliding block 9 capable of sliding along the sliding rod 8, the sliding block 9 is provided with two sliding grooves 10 which are symmetrically distributed by taking the wire pulling direction as an axis, the in-process that a pair of gripper blades 35 opened and shut is with spout 10 sliding fit, the side of slider 9 one side is passed through elastic component 11 and is connected with frame 7, the opposite side of slider 9 is equipped with and is driven pivoted eccentric cam 12 by the second drive arrangement, eccentric cam 12 is in the pivoted in-process and the side conflict cooperation of slider 9 opposite side, height adjustment device includes height adjustment block 20 and fixes fixture block 21 in roof 2 bottom, vertical slide opening 22 has been seted up on height adjustment block 20, fixture block 21 card is established in slide opening 22.

The principle of the automatic wire pulling mechanism provided by the invention is as follows:

an operator places the wire wheel on a shaft where a bearing on the movable plate 3 is located, the movable plate 3 is pushed or pushed out from the bottom plate, after the equipment runs, the first driving device drives the wire clamping mechanism to move to the wire end at a proper time, the wire end of the wire releasing mechanism is clamped through opening and closing of the clamping jaw mechanism, the wire clamping mechanism is driven to reciprocate, and therefore the wire is pulled to the original position. When the eccentric cam 12 rotates to be in contact fit with the side face on the other side of the sliding block 9, the extruded sliding block extrudes the elastic piece 11 inwards to enable the elastic piece to be extruded and deformed, meanwhile, the pair of clamping claw pieces 35 are in sliding fit with the sliding groove 10, the pair of clamping claw pieces 35 are opened, the eccentric cam 12 which continuously rotates does not contact and fit with the side face on the other side of the sliding block 9 any more, the recovered elastic piece 11 can push the sliding block back to the position before the sliding block is extruded, and meanwhile, the pair of clamping claw pieces 35 are closed. The height adjusting device comprises a height adjusting block 20 and a clamping block 21 fixed at the bottom of the top plate 2, a vertical sliding hole 22 is formed in the height adjusting block 20, and the clamping block 21 is clamped in the sliding hole 22, so that the whole paying-off mechanism can realize the adjustment of paying-off height by sliding the clamping block 21 up and down in the sliding hole 22.

Example 4

In the embodiment, the automatic wire pulling mechanism shown in fig. 6 to 14 comprises a wire releasing mechanism and a wire clamping mechanism, the wire releasing mechanism comprises a bottom plate 1, a top plate 2, a movable plate 3 and a vertical plate 4, the bottom plate 1 supports the fixed top plate 2 through a plurality of height adjusting devices, the top plate 2 is provided with the movable plate 3 capable of sliding along the wire pulling direction, the vertical plate 4 is erected on the movable plate 3, the movable plate 3 is provided with a wire wheel 5 capable of rotating freely, the wire wheel 5 is positioned at one side of the vertical plate 4, the side wall of the vertical plate 4 is provided with a wire releasing assembly matched with the wire wheel 5 for releasing wire, the wire clamping mechanism slides along the wire pulling direction under the driving of a first driving device, the wire clamping mechanism comprises a second driving device and a pair of clamping jaw pieces 6 controlled to open and close by an opening and closing assembly, the opening and closing assembly comprises a sliding rod 8 erected on a frame 7 and a sliding block 9 capable of sliding along the sliding rod 8, the sliding block 9 is provided with two sliding grooves 10 which are symmetrically distributed by taking the wire pulling direction as an axis, the pair of clamping jaw pieces 35 are in sliding fit with the sliding groove 10 in the opening and closing process, the side face of one side of the sliding block 9 is connected with the rack 7 through the elastic piece 11, the other side of the sliding block 9 is provided with an eccentric cam 12 driven to rotate by the second driving device, the eccentric cam 12 is in interference fit with the side face of the other side of the sliding block 9 in the rotating process, and a drawer sliding rail 23 arranged along the wire pulling direction is arranged between the moving plate 3 and the top plate 2.

The principle of the automatic wire pulling mechanism provided by the invention is as follows:

an operator places the wire wheel on a shaft where a bearing on the movable plate 3 is located, the movable plate 3 is pushed or pushed out from the bottom plate, after the equipment runs, the first driving device drives the wire clamping mechanism to move to the wire end at a proper time, the wire end of the wire releasing mechanism is clamped through opening and closing of the clamping jaw mechanism, the wire clamping mechanism is driven to reciprocate, and therefore the wire is pulled to the original position. When the eccentric cam 12 rotates to be in contact fit with the side face on the other side of the sliding block 9, the extruded sliding block extrudes the elastic piece 11 inwards to enable the elastic piece to be extruded and deformed, meanwhile, the pair of clamping claw pieces 35 are in sliding fit with the sliding groove 10, the pair of clamping claw pieces 35 are opened, the eccentric cam 12 which continuously rotates does not contact and fit with the side face on the other side of the sliding block 9 any more, the recovered elastic piece 11 can push the sliding block back to the position before the sliding block is extruded, and meanwhile, the pair of clamping claw pieces 35 are closed. A drawer slide rail 23 arranged along the wire pulling direction is arranged between the moving plate 3 and the top plate 2, so that the moving plate 3 can be conveniently pulled out or pushed in relative to the top plate 2.

Example 5

In the embodiment, the automatic wire pulling mechanism shown in fig. 6 to 14 comprises a wire releasing mechanism and a wire clamping mechanism, the wire releasing mechanism comprises a bottom plate 1, a top plate 2, a movable plate 3 and a vertical plate 4, the bottom plate 1 supports the fixed top plate 2 through a plurality of height adjusting devices, the top plate 2 is provided with the movable plate 3 capable of sliding along the wire pulling direction, the vertical plate 4 is erected on the movable plate 3, the movable plate 3 is provided with a wire wheel 5 capable of rotating freely, the wire wheel 5 is positioned at one side of the vertical plate 4, the side wall of the vertical plate 4 is provided with a wire releasing assembly matched with the wire wheel 5 for releasing wire, the wire clamping mechanism slides along the wire pulling direction under the driving of a first driving device, the wire clamping mechanism comprises a second driving device and a pair of clamping jaw pieces 6 controlled to open and close by an opening and closing assembly, the opening and closing assembly comprises a sliding rod 8 erected on a frame 7 and a sliding block 9 capable of sliding along the sliding rod 8, the sliding block 9 is provided with two sliding grooves 10 which are symmetrically distributed by taking the wire pulling direction as an axis, the pair of clamping claw pieces 35 are in sliding fit with the sliding groove 10 in the opening and closing process, the side face of one side of the sliding block 9 is connected with the rack 7 through the elastic piece 11, the other side of the sliding block 9 is provided with an eccentric cam 12 driven to rotate by the second driving device, the eccentric cam 12 is in interference fit with the side face of the other side of the sliding block 9 in the rotating process, and the other side of the vertical plate 4 is provided with a drawer 24 connected with the moving plate 3.

The principle of the automatic wire pulling mechanism provided by the invention is as follows:

an operator places the wire wheel on a shaft where a bearing on the movable plate 3 is located, the movable plate 3 is pushed or pushed out from the bottom plate, after the equipment runs, the first driving device drives the wire clamping mechanism to move to the wire end at a proper time, the wire end of the wire releasing mechanism is clamped through opening and closing of the clamping jaw mechanism, and the wire clamping mechanism reciprocates, so that the wire is pulled to the original position. When the eccentric cam 12 rotates to be in contact fit with the side face on the other side of the sliding block 9, the extruded sliding block extrudes the elastic piece 11 inwards to enable the elastic piece to be extruded and deformed, meanwhile, the pair of clamping claw pieces 35 are in sliding fit with the sliding groove 10, the pair of clamping claw pieces 35 are opened, the eccentric cam 12 which continuously rotates does not contact and fit with the side face on the other side of the sliding block 9 any more, the recovered elastic piece 11 can push the sliding block back to the position before the sliding block is extruded, and meanwhile, the pair of clamping claw pieces 35 are closed. The other side of the vertical plate 4 is provided with a drawer 24 connected with the moving plate 3, and the drawer 24 can move along with the pulling-out or pushing-in of the moving plate 3, so that coils can be placed conveniently.

Example 6

In the embodiment, the automatic wire pulling mechanism shown in fig. 6 to 14 comprises a wire releasing mechanism and a wire clamping mechanism, the wire releasing mechanism comprises a bottom plate 1, a top plate 2, a movable plate 3 and a vertical plate 4, the bottom plate 1 supports the fixed top plate 2 through a plurality of height adjusting devices, the top plate 2 is provided with the movable plate 3 capable of sliding along the wire pulling direction, the vertical plate 4 is erected on the movable plate 3, the movable plate 3 is provided with a wire wheel 5 capable of rotating freely, the wire wheel 5 is positioned at one side of the vertical plate 4, the side wall of the vertical plate 4 is provided with a wire releasing assembly matched with the wire wheel 5 for releasing wire, the wire clamping mechanism slides along the wire pulling direction under the driving of a first driving device, the wire clamping mechanism comprises a second driving device and a pair of clamping jaw pieces 6 controlled to open and close by an opening and closing assembly, the opening and closing assembly comprises a sliding rod 8 erected on a frame 7 and a sliding block 9 capable of sliding along the sliding rod 8, the sliding block 9 is provided with two sliding grooves 10 which are symmetrically distributed by taking the wire pulling direction as an axis, the pair of clamping jaw pieces 35 are in sliding fit with the sliding groove 10 in the opening and closing process, the side face of one side of the sliding block 9 is connected with the rack 7 through the elastic piece 11, the other side of the sliding block 9 is provided with an eccentric cam 12 driven to rotate by a second driving device, the eccentric cam 12 is in interference fit with the side face of the other side of the sliding block 9 in the rotating process, the first driving device comprises a stepping motor 25, a synchronous belt wheel 26 and a screw rod 27, the synchronous belt wheel 26 driven by the stepping motor 25 drives the screw rod 27 to synchronously rotate, and a wire clamping mechanism connected to a transmission block 36 driven by the screw rod 27 slides in the wire pulling direction along the sliding rail 28.

The principle of the automatic wire pulling mechanism provided by the invention is as follows:

an operator places the wire wheel on a shaft where a bearing on the movable plate 3 is located, the movable plate 3 is pushed or pushed out from the bottom plate, after the equipment runs, the first driving device drives the wire clamping mechanism to move to the wire end at a proper time, the wire end of the wire releasing mechanism is clamped through opening and closing of the clamping jaw mechanism, the wire clamping mechanism is driven to reciprocate, and therefore the wire is pulled to the original position. When the eccentric cam 12 rotates to be in contact fit with the side face on the other side of the sliding block 9, the extruded sliding block extrudes the elastic piece 11 inwards to enable the elastic piece to be extruded and deformed, meanwhile, the pair of clamping claw pieces 35 are in sliding fit with the sliding groove 10, the pair of clamping claw pieces 35 are opened, the eccentric cam 12 which continuously rotates does not contact and fit with the side face on the other side of the sliding block 9 any more, the recovered elastic piece 11 can push the sliding block back to the position before the sliding block is extruded, and meanwhile, the pair of clamping claw pieces 35 are closed. A synchronous belt wheel 26 driven by a stepping motor 25 in the first driving device drives a screw rod 27 to synchronously rotate, and a wire clamping mechanism driven on the screw rod 27 slides along a slide rail 28 in a wire pulling direction.

Example 7

In the embodiment, the automatic wire pulling mechanism shown in fig. 6 to 14 comprises a wire releasing mechanism and a wire clamping mechanism, the wire releasing mechanism comprises a bottom plate 1, a top plate 2, a movable plate 3 and a vertical plate 4, the bottom plate 1 supports the fixed top plate 2 through a plurality of height adjusting devices, the top plate 2 is provided with the movable plate 3 capable of sliding along the wire pulling direction, the vertical plate 4 is erected on the movable plate 3, the movable plate 3 is provided with a wire wheel 5 capable of rotating freely, the wire wheel 5 is positioned at one side of the vertical plate 4, the side wall of the vertical plate 4 is provided with a wire releasing assembly matched with the wire wheel 5 for releasing wire, the wire clamping mechanism slides along the wire pulling direction under the driving of a first driving device, the wire clamping mechanism comprises a second driving device and a pair of clamping jaw pieces 6 controlled to open and close by an opening and closing assembly, the opening and closing assembly comprises a sliding rod 8 erected on a frame 7 and a sliding block 9 capable of sliding along the sliding rod 8, the sliding block 9 is provided with two sliding grooves 10 which are symmetrically distributed by taking the wire pulling direction as an axis, the pair of clamping jaw pieces 35 are in sliding fit with the sliding groove 10 in the opening and closing process, the side face of one side of the sliding block 9 is connected with the rack 7 through the elastic piece 11, the other side of the sliding block 9 is provided with an eccentric cam 12 driven to rotate by a second driving device, the eccentric cam 12 is in interference fit with the side face of the other side of the sliding block 9 in the rotating process, the hinge columns 29 at the hinge positions of the pair of clamping jaw pieces 6 are fixed on the rack 7, one end of each clamping jaw piece 6 is set as a grabbing end 30, the other end of each clamping jaw piece 6 is set as a sliding end 31 in sliding fit with the sliding groove 10, and the hinge positions are located between the grabbing end 30 and the sliding end 31.

The principle of the automatic wire pulling mechanism provided by the invention is as follows:

an operator places the wire wheel on a shaft where a bearing on the movable plate 3 is located, the movable plate 3 is pushed or pushed out from the bottom plate, after the equipment runs, the first driving device drives the wire clamping mechanism to move to the wire end at a proper time, the wire end of the wire releasing mechanism is clamped through opening and closing of the clamping jaw mechanism, the wire clamping mechanism is driven to reciprocate, and therefore the wire is pulled to the original position. When the eccentric cam 12 rotates to be in contact fit with the side surface on the other side of the slide block 9, the extruded slide block extrudes the elastic piece 11 inwards to extrude and deform the elastic piece, at the same time, a pair of clamping claw sheets 35 is matched with the sliding chute 10 in a sliding way, a pair of clamping claw sheets 35 is opened, the continuously rotating eccentric cam 12 is not in interference contact and matching with the side surface of the other side of the sliding block 9, the restored elastic piece 11 can push the sliding block back to the position before the sliding block is not extruded, and simultaneously, a pair of clamping claw sheets 35 are closed, because the hinge column 29 at the hinge joint of the pair of clamping jaw sheets 6 in the opening and closing assembly is fixed on the frame 7, one end of the clamping jaw sheet 6 is set as a grabbing end 30, the other end of the clamping jaw sheet 6 is set as a sliding end 31 in sliding fit with the sliding groove 10, and the hinge joint is positioned between the grabbing end 30 and the sliding end 31, thus, the opening and closing or clamping can be performed around the hinge post 29 by sliding the sliding ends 31 of the pair of claw pieces 6 in the slide groove 10.

Example 8

In the embodiment, the automatic wire pulling mechanism shown in fig. 6 to 14 comprises a wire releasing mechanism and a wire clamping mechanism, the wire releasing mechanism comprises a bottom plate 1, a top plate 2, a movable plate 3 and a vertical plate 4, the bottom plate 1 supports the fixed top plate 2 through a plurality of height adjusting devices, the top plate 2 is provided with the movable plate 3 capable of sliding along the wire pulling direction, the vertical plate 4 is erected on the movable plate 3, the movable plate 3 is provided with a wire wheel 5 capable of rotating freely, the wire wheel 5 is positioned at one side of the vertical plate 4, the side wall of the vertical plate 4 is provided with a wire releasing assembly matched with the wire wheel 5 for releasing wire, the wire clamping mechanism slides along the wire pulling direction under the driving of a first driving device, the wire clamping mechanism comprises a second driving device and a pair of clamping jaw pieces 6 controlled to open and close by an opening and closing assembly, the opening and closing assembly comprises a sliding rod 8 erected on a frame 7 and a sliding block 9 capable of sliding along the sliding rod 8, the sliding block 9 is provided with two sliding grooves 10 which are symmetrically distributed by taking the wire pulling direction as an axis, the pair of clamping claw pieces 35 are in sliding fit with the sliding groove 10 in the opening and closing process, the side face of one side of the sliding block 9 is connected with the rack 7 through an elastic piece 11, the other side of the sliding block 9 is provided with an eccentric cam 12 driven to rotate by a second driving device, the eccentric cam 12 is in interference fit with the side face of the other side of the sliding block 9 in the rotating process, and the elastic piece 11 sleeved outside the sliding rod 8 between the sliding block 9 and the rack 7 is a spring.

The principle of the automatic wire pulling mechanism provided by the invention is as follows:

an operator places the wire wheel on a shaft where a bearing on the movable plate 3 is located, the movable plate 3 is pushed or pushed out from the bottom plate, after the equipment runs, the first driving device drives the wire clamping mechanism to move to the wire end at a proper time, the wire end of the wire releasing mechanism is clamped through opening and closing of the clamping jaw mechanism, the wire clamping mechanism is driven to reciprocate, and therefore the wire is pulled to the original position. The elastic part 11 sleeved outside the sliding rod 8 between the sliding block 9 and the rack 7 is a spring, when the eccentric cam 12 rotates to be in contact fit with the side face of the other side of the sliding block 9, the extruded sliding block extrudes the spring inwards to enable the spring to be extruded and deformed, meanwhile, the pair of clamping claw sheets 35 are in sliding fit with the sliding groove 10, the pair of clamping claw sheets 35 are opened, the eccentric cam 12 which continuously rotates is not in contact fit with the side face of the other side of the sliding block 9, the restored spring can push the sliding block back to the position before the sliding block is extruded, and meanwhile, the pair of clamping claw sheets 35 are closed.

Example 9

In the embodiment, the automatic wire pulling mechanism shown in fig. 6 to 14 comprises a wire releasing mechanism and a wire clamping mechanism, the wire releasing mechanism comprises a bottom plate 1, a top plate 2, a movable plate 3 and a vertical plate 4, the bottom plate 1 supports the fixed top plate 2 through a plurality of height adjusting devices, the top plate 2 is provided with the movable plate 3 capable of sliding along the wire pulling direction, the vertical plate 4 is erected on the movable plate 3, the movable plate 3 is provided with a wire wheel 5 capable of rotating freely, the wire wheel 5 is positioned at one side of the vertical plate 4, the side wall of the vertical plate 4 is provided with a wire releasing assembly matched with the wire wheel 5 for releasing wire, the wire clamping mechanism slides along the wire pulling direction under the driving of a first driving device, the wire clamping mechanism comprises a second driving device and a pair of clamping jaw pieces 6 controlled to open and close by an opening and closing assembly, the opening and closing assembly comprises a sliding rod 8 erected on a frame 7 and a sliding block 9 capable of sliding along the sliding rod 8, the sliding block 9 is provided with two sliding grooves 10 which are symmetrically distributed by taking the wire pulling direction as an axis, the opening and closing process of the pair of clamping jaw pieces 35 is in sliding fit with the sliding groove 10, the side face of one side of the sliding block 9 is connected with the rack 7 through the elastic piece 11, the other side of the sliding block 9 is provided with an eccentric cam 12 driven to rotate by a second driving device, the eccentric cam 12 is in interference fit with the side face of the other side of the sliding block 9 in the rotating process, a direct current motor 32 in the second driving device drives the eccentric cam 12 connected on the rotating shaft to rotate, an induction sheet 33 driven to rotate by the eccentric cam 12 is arranged on the eccentric cam 12, two inductors 34 which are symmetrically arranged by taking the wire pulling direction as an axis are fixed on the rack 7, and one of the two inductors 34 induces the position where the eccentric cam 12 is in interference fit with the sliding block 9.

The principle of the automatic wire pulling mechanism provided by the invention is as follows:

an operator places the wire wheel on a shaft where a bearing on the movable plate 3 is located, the movable plate 3 is pushed or pushed out from the bottom plate, after the equipment runs, the first driving device drives the wire clamping mechanism to move to the wire end at a proper time, the wire end of the wire releasing mechanism is clamped through opening and closing of the clamping jaw mechanism, the wire clamping mechanism is driven to reciprocate, and therefore the wire is pulled to the original position. When the eccentric cam 12 rotates to be in contact fit with the side face of the other side of the sliding block 9, the extruded sliding block extrudes the elastic piece 11 inwards to enable the elastic piece to be extruded and deformed, meanwhile, the pair of clamping claw pieces 35 are in sliding fit with the sliding groove 10, the pair of clamping claw pieces 35 are opened, the eccentric cam 12 which continuously rotates does not abut against and are in contact fit with the side face of the other side of the sliding block 9 any more, the recovered elastic piece 11 can push the sliding block back to the position before the sliding block is not extruded, and meanwhile, the pair of clamping claw pieces 35 are closed. The direct current motor 32 in the second driving device drives the eccentric cam 12 connected to the rotating shaft to rotate and simultaneously drives the sensing piece 33 to rotate, because two sensors 34 which are axially and symmetrically arranged in the direction of the pulling line are fixed on the rack 7, one of the two sensors 34 senses the position where the eccentric cam 12 is abutted to the sliding block 9, and the other sensor senses the position where the eccentric cam 12 is not abutted to the sliding block 9, thus, whether the sliding block 9 slides along the sliding rod 8 and extrudes the elastic piece 11 to deform the elastic piece can be monitored in real time, the opening of the pair of clamping claw pieces 35 is driven, and when the eccentric cam 12 is not abutted to the sliding block 9 can be monitored in real time, the sliding block 9 slides along the sliding rod 8 after the elastic piece 11 is recovered, and the closing of the pair of clamping claw pieces 35 is driven.

By the scheme, the invention at least has the following advantages:

1. the functions of automatic paying-off and wire pulling are realized;

2. controlling the length of the thread to the length required by threading and knotting;

3. the line can be accurately placed below the top line;

4. the binding machine is suitable for various binding machines.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.