阅读说明：本技术 一种线式装订机 (Line type binding machine ) 是由 陈允寿 章成飞 阮永华 谭显斌 沈锋刚 于 2021-05-21 设计创作，主要内容包括：本发明公开了一种线式装订机,包括机架、台板、勾线装置、文本固定装置及打孔装置,台板和打孔装置均安装在机架上且该打孔装置位于台板的一侧；文本固定装置设于台板靠近打孔装置一端上；打孔装置包括打孔驱动装置及多个打孔刀,打孔驱动装置设于机架上,多个打孔刀连接在打孔驱动装置上,打孔驱动装置驱动打孔刀上下活动；勾线装置包括滑动块及勾线驱动装置,勾线驱动装置连接在机架上,滑动块连接在勾线驱动装置上,滑动块上设有数量与打孔刀的数量相等的勾线针,勾线驱动装置驱动滑块上下滑动,从而带动勾线针上下移动,台板上设有供勾线针通过的勾线孔；一次能实现多个打孔和勾线,可有效减少装订机的操作次数,提高装订效率。(The invention discloses a linear binding machine which comprises a rack, a bedplate, a thread hooking device, a text fixing device and a punching device, wherein the bedplate and the punching device are both arranged on the rack, and the punching device is positioned on one side of the bedplate; the text fixing device is arranged at one end of the bedplate close to the punching device; the punching device comprises a punching driving device and a plurality of punching knives, the punching driving device is arranged on the rack, the plurality of punching knives are connected to the punching driving device, and the punching driving device drives the punching knives to move up and down; the line hooking device comprises a sliding block and a line hooking driving device, the line hooking driving device is connected to the rack, the sliding block is connected to the line hooking driving device, the sliding block is provided with line hooking needles, the number of the line hooking needles is equal to that of the punching knives, the line hooking driving device drives the sliding block to slide up and down so as to drive the line hooking needles to move up and down, and the bedplate is provided with line hooking holes for the line hooking needles to pass through; a plurality of punching and thread hooking can be realized at one time, the operation times of the binding machine can be effectively reduced, and the binding efficiency is improved.)

1. A linear binding machine comprises a rack (1), a bedplate (2), a thread hooking device (6), a text fixing device (5) and a punching device (3), wherein the bedplate (2) and the punching device (3) are both arranged on the rack (1), and the punching device (3) is positioned on one side of the bedplate (2); the text fixing device (5) is arranged at one end of the bedplate (2) close to the punching device (3); the method is characterized in that: the punching device (3) comprises a punching driving device and a plurality of punching knives, the punching driving device is arranged on the rack (1), the punching knives are connected to the punching driving device, and the punching driving device drives the punching knives to move up and down; the thread hooking device (6) comprises a sliding block (6-3) and a thread hooking driving device, the thread hooking driving device is connected to the rack (1), the sliding block (6-3) is connected to the thread hooking driving device, the sliding block (6-3) is provided with thread hooking needles (6-5) with the number equal to that of the punching knives, the thread hooking driving device drives the sliding block to slide up and down so as to drive the thread hooking needles (6-5) to move up and down, and the bedplate (2) is provided with thread hooking holes for the thread hooking needles (6-5) to pass through.

2. The thread binding machine of claim 1, wherein: the thread hooking driving device comprises a handle (6-1), a fixed shaft (6-2) and a guide shaft (6-4); the guide shaft (6-4) is fixedly connected to the rack (1), and the sliding block (6-3) is in sliding fit with the guide shaft (6-4); the handle (6-1) is connected with one end of the fixed shaft (6-2), and the fixed shaft (6-2) is connected with the sliding block (6-3) through a transmission mechanism; the rotating handle (6-1) can drive the sliding block (6-3) to move up and down along the guide shaft (6-4).

3. The thread binding machine of claim 2, wherein: the transmission mechanism comprises a fixed rack (6-6), a movable rack (6-7) and a gear (6-8), the gear (6-8) is fixedly connected to the fixed shaft (6-2), the fixed rack (6-6) is fixedly connected to the rack (1), the movable rack (6-7) is fixedly connected to the sliding block (6-3), and the fixed rack (6-6) and the movable rack (6-7) are respectively meshed with two opposite sides of the gear (6-8).

4. The thread binding machine of claim 3, wherein: slotted holes are formed in two side walls of the rack (1), two ends of the fixed shaft (6-2) penetrate through the slotted holes in the two side walls of the rack (1) respectively and then are exposed outside the slotted holes, limiting pieces (6-9) are arranged at two ends of the fixed shaft (6-2), and the fixed shaft (6-2) is limited on the rack (1) by the limiting pieces (6-9) on the two sides; the handle (6-1) is positioned outside the frame (1).

5. The thread binding machine of claim 3, wherein: the lower end of the guide shaft (6-4) is fixedly connected with a bottom plate (6-10), and the bottom plate (6-10) is fixedly connected to the rack (1).

6. The thread binding machine of claim 3, wherein: the fixed rack (6-6) is fixedly connected to the mounting plate (6-11), and the mounting plate (6-11) is fixedly connected to the rack (1).

7. The thread binding machine of claim 3, wherein: the fixed rack (6-6) and the movable rack (6-7) are parallel to each other, and the teeth of the fixed rack (6-6) and the teeth of the movable rack (6-7) are arranged oppositely.

8. The thread binding machine of claim 8, wherein: the two fixed racks (6-6), the two movable racks (6-7) and the two gears (6-8) are respectively arranged, the two gears (6-8) are fixedly connected to the fixed shaft (6-2) and are arranged in parallel, and the two fixed racks (6-6) and the two movable racks (6-7) are respectively meshed on two sides of the corresponding gears (6-8) in a one-to-one correspondence mode.

9. The thread binding machine of any one of claims 1 to 8, wherein: the rack (1) is provided with a slide rail, and the bedplate (2) is in sliding fit with the slide rail; the thread hooking device (6) is arranged on the lower side of the rack (1), and the thread hooking device (6) and the punching device (3) are installed in a staggered mode.

10. The thread binding machine of claim 9, wherein: the slide rail is arranged along the length direction of the rack (1).

11. The thread binding machine of claim 9, wherein: a limiting structure capable of limiting the first position and the second position of the bedplate (2) is arranged between the rack (1) and the bedplate (2).

12. The thread binding machine of claim 11, wherein: the first position is a position for punching paper on the bedplate (2), and the second position is a position for hooking the lines after the bedplate (2) is drawn out.

13. The thread binding machine of claim 11, wherein: the limiting structure comprises a limiting pin (4-5), a first clamping position (4-6) and a second clamping position (4-7); the limiting pin (4-5) is installed on one side, close to the rack (1), of the bedplate (2), the first clamping position (4-6) and the second clamping position (4-7) are both arranged on the wall, close to the bedplate (2), of the rack (1), the limiting pin (4-5) is clamped on the first clamping position (4-6) when the bedplate (2) is located at the first position, and the limiting pin (4-5) is clamped on the second clamping position (4-7) when the bedplate (2) is located at the second position.

14. The thread binding machine of claim 13, wherein: a groove (202) is formed in one side, close to the rack (1), of the bedplate (2), the limiting pin (4-5) is installed in the groove (202), the lower end of the limiting pin (4-5) is exposed out of the groove (202), and the lower end of the limiting pin (4-5) is a hemisphere; an elastic piece is arranged between the limiting pin (4-5) and the groove bottom of the groove (202).

15. The thread binding machine of claim 14, wherein: the first clamping position (4-6) and the second clamping position (4-7) are both positioning holes or positioning grooves, and the aperture of the positioning holes or the aperture of the notch of the positioning grooves is smaller than the diameter of the lower end of the hemispheroid of the limiting pin (4-5).

16. The thread binding machine of claim 11, wherein: a sliding shaft (4-3) is arranged on one side, close to the rack (1), of the bedplate (2), a sliding shaft (4-3) sleeve (4-2) is arranged on the rack (1), and the sliding shaft (4-3) sleeve (4-2) forms the sliding rail; one end of the sliding shaft (4-3) is in sliding fit with the sleeve (4-2) of the sliding shaft (4-3).

17. The thread binding machine of claim 16, wherein: the movable shaft is sleeved on the fixed plate (4-1), and the fixed plate (4-1) is fixedly connected to the rack (1).

18. The thread binding machine of claim 17, wherein: an installation support (201) is arranged on one side, close to the rack (1), of the bedplate (2), an installation groove is formed in the installation support (201), the sliding shaft (4-3) is embedded in the installation groove, and the sliding shaft (4-3) is fixedly connected to the installation support (201) through a fixing block (4-4).

19. The thread binding machine of claim 18, wherein: the mounting groove is internally provided with a limiting bulge, the side wall of the sliding shaft (4-3) is provided with a limiting concave ring, and the limiting bulge is embedded in the limiting concave ring.

20. The thread binding machine of any one of claims 1 to 8, wherein: the text fixing device (5) comprises a paper pressing plate (5-1) and a positioning mechanism, wherein the paper pressing plate (5-1) can be movably arranged on the bedplate (2) up and down; the positioning mechanism comprises a locking shaft (5-2), a locking piece (5-3) and a driving piece (5-4); the locking shaft (5-2) is arranged on the paper pressing plate (5-1) and the locking shaft (5-2) can move up and down along with the paper pressing plate (5-1); the locking piece (5-3) is arranged on the bedplate (2), and when the locking shaft (5-2) moves downwards, the locking piece (5-3) can lock the locking shaft (5-2); the driving piece (5-4) is arranged on the bedplate (2), and the driving piece (5-4) can drive the locking piece (5-3) to unlock the locking shaft (5-2).

21. The thread binding machine of claim 20, wherein: the locking piece (5-3) is provided with a first through hole (5-304) matched with the locking shaft (5-2), the locking piece (5-3) is sleeved outside the locking shaft (5-2) through the first through hole (5-304), an included angle which is larger than 0 degree and smaller than 90 degrees is formed between the locking piece (5-3) and the locking shaft (5-2), and the locking piece (5-3) and the locking shaft (5-2) are clamped with each other; the driving piece (5-4) is used for pushing the locking piece (5-3) to release the clamping force between the locking piece (5-3) and the locking shaft (5-2).

22. The thread binding machine of claim 21, wherein: one end of the locking piece (5-3) is hinged on the bedplate (2), and a driving elastic piece (5-8) is arranged between the other end of the locking piece (5-3) and the bedplate (2).

23. The thread binding machine of claim 22, wherein: a bracket (5-5) is arranged on the lower side of the bedplate (2), one end of the locking piece (5-3) is hinged to the bracket (5-5), one end of the driving elastic piece (5-8) is connected to the bracket (5-5), and the other end of the driving elastic piece (5-8) is connected to the other end of the locking piece (5-3).

24. The thread binding machine of claim 23, wherein: the driving part (5-4) is movably connected to the bracket (5-5), and the lower end of the driving part (5-4) can push the locking part (5-3) to rotate around a hinge point of the locking part (5-3).

25. The thread binding machine of claim 24, wherein: the other end of retaining member (5-3) on be equipped with second through-hole (5-305), the lower terminal surface of driving piece (5-4) on be equipped with connecting protrusion (5-402), connecting protrusion (5-402) insert second through-hole (5-305) in, the lower terminal surface of driving piece (5-4) spacing in the upside of retaining member (5-3).

26. The thread binding machine of claim 25, wherein: the support (5-5) is provided with a first shaft sleeve (5-501), the driving piece (5-4) is in sliding fit with the first shaft sleeve (5-501), and the upper end of the driving piece (5-4) penetrates through the bedplate (2) and is exposed out of the bedplate (2).

27. The thread binding machine of claim 26, wherein: the outer wall of the driving piece (5-4) is provided with a limiting convex ring (5-401), and the limiting convex ring (5-401) is limited outside the lower end of the shaft sleeve.

28. The thread binding machine of claim 23, wherein: a second shaft sleeve (5-502) is arranged on the support (5-5), the locking shaft (5-2) is in sliding fit in the second shaft sleeve (5-502), and the upper end of the locking shaft (5-2) penetrates through the bedplate (2) and then is connected with the paper pressing plate (5-1); the lower end of the locking shaft (5-2) penetrates through the first through hole (5-304) and then is exposed outside the lower side of the locking piece (5-3), a first limiting piece (5-9) is arranged at the lower end of the locking shaft (5-2), and the first limiting piece (5-9) is limited at the lower side of the locking piece (5-3).

29. The thread binding machine of claim 28, wherein: a return elastic part (5-7) is arranged between the locking shaft (5-2) and the paper pressing plate (5-1).

30. The thread binding machine of claim 29, wherein: a fixed sleeve (5-6) is sleeved outside the locking shaft (5-2), and the fixed sleeve (5-6) is in sliding fit in the second shaft sleeve (5-502); the return elastic piece (5-7) is a spring, the spring is sleeved outside the locking shaft (5-2), one end of the spring is propped against the lower side of the paper pressing plate (5-1), and the other end of the spring is propped against the upper end face of the fixing sleeve (5-6).

31. The thread binding machine of claim 29, wherein: one end of the locking piece (5-3) is hinged on the side wall of the second shaft sleeve (5-502).

32. The thread binding machine of claim 31, wherein: the locking piece (5-3) is sequentially provided with a first connecting part (5-301), a locking part (5-302) and a second connecting part (5-303) along the length direction of the locking piece (5-3); the first connecting part (5-301) is hinged with the second shaft sleeve (5-502), and the second connecting part (5-303) is connected with the driving elastic part (5-8); the first through hole (5-304) is arranged on the locking part (5-302).

33. The thread binding machine of claim 32, wherein: the first connecting part (5-301) is planar, and the end part of the first connecting part (5-301) is hinged on the second shaft sleeve (5-502) through a connecting piece; the locking part (5-302) is in an inclined plane shape; the second connecting part (5-303) is also planar.

34. The thread binding machine of any one of claims 20, wherein: the paper pressing plate (5-1) is arranged on the end part of the bedplate (2); the two positioning mechanisms are respectively arranged between the two ends of the paper pressing plate (5-1) and the two sides of the end part of the bedplate (2) in a one-to-one correspondence mode.

35. The thread binding machine of claim 33, wherein: the support (5-5) is provided with a third shaft sleeve (5-504), the third shaft sleeve (5-504) is in sliding fit with a guide shaft (5-10), and the upper end of the guide shaft (5-10) penetrates through the bedplate (2) and is fixedly connected to the paper pressing plate (5-1).

36. The thread binding machine of claim 35, wherein: the lower end of the guide shaft (5-10) is exposed out of the lower end of the third shaft sleeve (5-504), the lower end of the guide shaft (5-10) is connected with a second limiting piece (5-11), and the second limiting piece (5-11) is limited at the lower side of the guide shaft (5-10).

Technical Field

The invention relates to the technical field of text binding equipment, in particular to a linear binding machine.

Background

The binding machine is a special mechanical device for binding paper materials of various files, account books and bills by each enterprise and public institution. In the file management work, file binding is an important link. The first manual binding method is to use a thread awl to prick out small holes, then hook the binding threads one by using a crochet hook, and finally bind by knotting manually. The binding process needs to puncture the bound objects with force, which not only wastes time and labor intensity, but also has low efficiency and larger limitation on binding thickness. The binding machine solves this problem well. However, although the binding machine in the prior art can automatically punch and hook a thread, only one hole can be punched and a thread can be hooked at a time, the operation is still troublesome, and the efficiency is still low.

Disclosure of Invention

The invention aims to solve the technical problem of providing a wire type binding machine which can realize multiple punching and wire hooking at one time, effectively reduce the operation times of the binding machine and greatly improve the binding efficiency.

The technical scheme of the invention is that the invention provides a thread binding machine with the following structure, which comprises a frame, a bedplate, a thread hooking device, a text fixing device and a punching device, wherein the bedplate and the punching device are both arranged on the frame, and the punching device is positioned at one side of the bedplate; the text fixing device is arranged at one end of the bedplate close to the punching device; the punching device comprises a punching driving device and a plurality of punching knives, the punching driving device is arranged on the rack, the punching knives are connected to the punching driving device, and the punching driving device drives the punching knives to move up and down; the line hooking device comprises a sliding block and a line hooking driving device, the line hooking driving device is connected to the rack, the sliding block is connected to the line hooking driving device, the sliding block is provided with line hooking needles, the number of the line hooking needles is equal to that of the punching knives, the line hooking driving device drives the sliding block to slide up and down, so that the line hooking needles are driven to move up and down, and the bedplate is provided with line hooking holes for the line hooking needles to pass through.

After adopting the structure, compared with the prior art, the thread type binding machine has the following advantages:

the punching device of the thread binding machine is provided with a plurality of punching knives, the sliding block is provided with the thread hooking needles with the number equal to that of the punching knives, the thread hooking driving device drives the sliding block to slide up and down, so that the thread hooking needles are driven to move up and down, a plurality of punching and thread hooking actions can be realized through one-time operation, and the binding efficiency is greatly improved.

As an improvement, the thread hooking driving device comprises a handle, a fixed shaft and a guide shaft; the guide shaft is fixedly connected to the rack, and the sliding block is in sliding fit with the guide shaft; the handle is connected with one end of the fixed shaft, and the fixed shaft is connected with the sliding block through a transmission mechanism; the rotating handle can drive the sliding block to move up and down along the guide shaft. After the structure is adopted, the rotating handle can drive the sliding block to move up and down along the guide shaft under the action of the transmission mechanism, and the thread hooking device is simple in structure.

As an improvement, the transmission mechanism comprises a fixed rack, a movable rack and a gear, the gear is fixedly connected to the fixed shaft, the fixed rack is fixedly connected to the rack, the movable rack is fixedly connected to the sliding block, and the fixed rack and the movable rack are respectively meshed with two opposite sides of the gear. After the structure is adopted, the forward or reverse rotating handle can drive the gear to rotate forward and backward, the gear and the movable rack can move up and down under the action of the fixed rack, and therefore the movable rack can drive the sliding block to move up and down.

As an improvement, both side walls of the rack are provided with long holes, both ends of the fixed shaft respectively penetrate through the long holes on both side walls of the rack and then are exposed outside the long holes, both ends of the fixed shaft are provided with limiting pieces, and the limiting pieces on both sides limit the fixed shaft on the rack; the handle is positioned outside the frame. After the structure is adopted, the structure is simple, the assembly is convenient, the limiting sheets at the two ends of the fixing shaft limit the left and right of the fixing shaft, the fixing shaft can move up and down due to the structure of the long hole, and the handle is exposed outside the rack, so that the operation is convenient.

As an improvement, the lower end of the guide shaft is fixedly connected with a bottom plate, and the bottom plate is fixedly connected to the rack. After adopting this kind of structure, simple structure, the equipment is convenient.

As an improvement, the fixed rack is fixedly connected to a mounting plate, and the mounting plate is fixedly connected to the rack. After adopting this kind of structure, fixed rack mounting structure is simple, and the equipment is convenient.

As an improvement, the fixed rack and the movable rack are parallel to each other, and the teeth of the fixed rack and the teeth of the movable rack are oppositely arranged. After adopting this kind of structure, simple structure, transmission effect is better.

As an improvement, two fixed racks, two movable racks and two gears are respectively arranged, the two gears are fixedly connected to the fixed shaft and are arranged in parallel, and the two fixed racks and the two movable racks are respectively meshed on two sides of the corresponding gears in a one-to-one correspondence mode. After adopting this kind of structure, the structure is more stable.

As an improvement, a slide rail is arranged on the rack, and the bedplate is in sliding fit with the slide rail; the thread hooking device is arranged on the lower side of the rack, and the thread hooking device and the punching device are installed in a staggered mode. After adopting this kind of structure, during the use, can take the platen out after the paper on the platen punches, carry out the threading and tie a knot, hand activity space is great, can not receive the interference of other parts of line book-binding machine, and it is very convenient to operate, improves user's use greatly and experiences the sense.

As an improvement, the slide rail is arranged along the length direction of the rack. After adopting this kind of structure, structural design is more reasonable.

As an improvement, a limiting structure capable of limiting the first position and the second position of the bedplate is arranged between the rack and the bedplate. After adopting this kind of structure, the design is more reasonable.

As an improvement, the first position is a position for punching a paper on the bedplate, and the second position is a position for hooking the thread after the bedplate is drawn out. After adopting this kind of structure, the platen carries out spacing punching more stably in the position that the paper punched, and the platen is spacing after taking out, and the platen can not remove when the threading is knotted, and it is more convenient to use.

As an improvement, the limiting structure comprises a limiting pin, a first clamping position and a second clamping position; the limiting pin is arranged on one side, close to the rack, of the bedplate, the first clamping position and the second clamping position are both arranged on the wall, close to the bedplate, of the rack, the limiting pin is clamped on the first clamping position when the bedplate is located at the first position, and the limiting pin is clamped on the second clamping position when the bedplate is located at the second position. After adopting this kind of structure, limit structure simple structure, the equipment is convenient, and it is also more convenient to use.

As an improvement, a groove is arranged on one side of the bedplate close to the rack, the limiting pin is arranged in the groove, the lower end of the limiting pin is exposed out of the groove, and the lower end of the limiting pin is a hemisphere; an elastic part is arranged between the limiting pin and the groove bottom of the groove. After adopting this kind of structure, spacer pin and spacer pin mounting structure simple structure, the equipment is convenient.

As an improvement, the first clamping position and the second clamping position are both positioning holes or positioning grooves, and the aperture of the positioning holes or the aperture of the notches of the positioning grooves is smaller than the diameter of the lower end of the hemispheroid of the limiting pin. After adopting this kind of structure, first screens and second screens can fix a position the spacer pin, use more nimble.

As an improvement, a sliding shaft is arranged on one side of the bedplate close to the rack, a sliding shaft sleeve is arranged on the rack, and the sliding shaft sleeve forms the sliding rail; one end of the sliding shaft is in sliding fit in the sliding shaft sleeve. After adopting this kind of structure, the slip axle sleeve uses as the slide rail, simple structure, and the equipment is more convenient.

As an improvement, the movable shaft is sleeved on a fixed plate, and the fixed plate is fixedly connected to the rack. After adopting this kind of structure, the structure is simpler, and the equipment is more convenient.

As an improvement, a mounting bracket is arranged on one side of the bedplate close to the rack, a mounting groove is arranged on the mounting bracket, the sliding shaft is embedded in the mounting groove and is fixedly connected to the mounting bracket through a fixing block. After adopting this kind of structure, the sliding shaft mounting structure is simple, and the equipment is more convenient.

As an improvement, a limiting bulge is arranged in the mounting groove, a limiting concave ring is arranged on the side wall of the sliding shaft, and the limiting bulge is embedded in the limiting concave ring. After the structure is adopted, the sliding shaft can be limited by the structure of the limiting protrusion and the limiting concave ring, the structure is simple, and the use is stable and reliable.

As an improvement, the text fixing device comprises a paper pressing plate and a positioning mechanism, wherein the paper pressing plate can be movably arranged on the bedplate up and down; the positioning mechanism comprises a locking shaft, a locking piece and a driving piece; the locking shaft is arranged on the paper pressing plate and can move up and down along with the paper pressing plate; the locking piece is arranged on the bedplate, and when the locking shaft moves downwards, the locking piece can lock the locking shaft; the driving piece is arranged on the bedplate and can drive the locking piece to unlock the locking shaft. By adopting the structure, when the locking shaft moves downwards, the locking piece can lock the locking shaft; the driving piece is arranged on the bedplate and can drive the locking piece to unlock the locking shaft; the positioning mechanism has simple structure, the driving piece can release the locking of the locking piece to the locking shaft after the paper pressing plate is pressed down and locked, the paper pressing plate can be automatically lifted, and the operation is very convenient.

As an improvement, the locking member is provided with a first through hole matched with the locking shaft, the locking member is sleeved outside the locking shaft through the first through hole, an included angle which is larger than 0 degree and smaller than 90 degrees is formed between the locking member and the locking shaft, and the locking member and the locking shaft are clamped with each other; the driving piece is used for pushing the locking piece to release the clamping force between the locking piece and the locking shaft. After adopting this kind of structure, retaining member and locking axle both can be chucking each other after being certain angle, and locking axle simple structure is locked through this kind of mode, and the equipment is all more convenient with the use.

As an improvement, one end of the locking piece is hinged on the bedplate, and a driving elastic piece is arranged between the other end of the locking piece and the bedplate. After adopting this kind of structure, simple structure, the equipment is convenient, and retaining member activity is also more nimble.

As an improvement, a bracket is arranged on the lower side of the bedplate, one end of the locking piece is hinged to the bracket, one end of the driving elastic piece is connected to the bracket, and the other end of the driving elastic piece is connected to the other end of the locking piece. After adopting this kind of structure, the retaining member passes through the support and assembles, and the assembly is more convenient, can effectively improve production efficiency, reduces the production degree of difficulty.

As an improvement, the driving part is movably connected to the bracket, and the lower end of the driving part can push the locking part to rotate around a hinge point of the locking part. After adopting this kind of structure, as long as the driving piece promotes the retaining member rotatory, reduce the retaining member and the locking shaft angle between the two just can realize the unblock, simple structure, it is also convenient to operate.

As an improvement, the other end of the locking piece is provided with a second through hole, the lower end face of the driving piece is provided with a connecting bulge, the connecting bulge is inserted into the second through hole, and the lower end face of the driving piece is limited on the upper side of the locking piece. After the structure is adopted, the connecting bulge is matched with the second through hole to play a role in positioning, so that the structural connection is more reliable.

As an improvement, a first shaft sleeve is arranged on the support, the driving piece is in sliding fit with the first shaft sleeve, and the upper end of the driving piece penetrates through the bedplate and is exposed outside the bedplate. After the structure is adopted, the driving piece is more convenient to press, and the driving piece can push the locking piece to rotate to realize unlocking; the driving piece is released, and the driving piece can return under the action of the driving elastic piece.

As an improvement, the outer wall of the driving piece is provided with a limiting convex ring, and the limiting convex ring is limited outside the lower end of the shaft sleeve. After adopting this kind of structure, receive the effect of spacing bulge loop and driving piece lower extreme face, can be spacing the driving piece on the support, simple structure, the equipment is convenient.

As an improvement, a second shaft sleeve is arranged on the support, the locking shaft is in sliding fit in the second shaft sleeve, and the upper end of the locking shaft penetrates through the bedplate and then is connected with the paper pressing plate; the lower extreme of locking shaft pass first through-hole after expose and put the downside of retaining member outside and this locking shaft's lower extreme be equipped with first locating part, first locating part spacing be in the downside of retaining member. After adopting this kind of structure, the effect that the second shaft cover can lead is carried out locking shaft, and locking shaft mounting structure is simple, and the equipment is convenient, and first locating part has the limiting displacement to locking shaft, avoids it to break away from the retaining member.

As an improvement, a return elastic piece is arranged between the locking shaft and the paper pressing plate. After the structure is adopted, the return elastic piece has the return function for the paper pressing plate, and the paper pressing plate return structure and the locking shaft are integrated together, so that the linear binding machine is simpler and more compact in structure.

As an improvement, a fixed sleeve is sleeved outside the locking shaft, and the fixed sleeve is in sliding fit with the second shaft sleeve; the return elastic part is a spring, the spring is sleeved outside the locking shaft, one end of the spring is propped against the lower side of the paper pressing plate, and the other end of the spring is propped against the upper end face of the fixed sleeve. After adopting this kind of structure, fixed cover has the supporting role to the spring, simple structure, and the equipment is convenient.

As an improvement, one end of the locking piece is hinged on the side wall of the second shaft sleeve. After adopting this kind of structure, the equipment is more convenient.

As an improvement, the locking piece is sequentially provided with a first connecting part, a locking part and a second connecting part along the length direction of the locking piece; the first connecting part is hinged with the second shaft sleeve, and the second connecting part is connected with the driving elastic part; the first through hole is arranged on the locking part. After adopting this kind of structure, simple structure, the equipment is convenient.

As an improvement, the first connecting part is planar, and the end part of the first connecting part is hinged on the second shaft sleeve through a connecting piece; the locking part is in an inclined plane shape; the second connecting part is also planar. After adopting this kind of structure, first connecting portion and second connecting portion be planar, it is more convenient to install.

As an improvement, the paper pressing plate is arranged on the end part of the bedplate; the two positioning mechanisms are respectively arranged between the two ends of the paper pressing plate and the two sides of the end part of the bedplate in a one-to-one correspondence mode. After adopting this kind of structure, the nipper installation is more stable, increase of service life.

As an improvement, a third shaft sleeve is arranged on the support, a guide shaft is arranged in the third shaft sleeve in a sliding fit mode, and the upper end of the guide shaft penetrates through the platen and is fixedly connected to the paper pressing plate. After adopting this kind of structure, guiding shaft and third axle sleeve have the guide effect to the activity from top to bottom of paper pressing board, make the paper pressing board activity more stable.

As an improvement, the lower end of the guide shaft is exposed out of the lower end of the third shaft sleeve, the lower end of the guide shaft is connected with a second limiting piece, and the second limiting piece is limited at the lower side of the guide shaft. After the structure is adopted, the lower end of the guide shaft is connected with the second limiting part, so that the limiting effect on the movement of the paper pressing plate is realized.

Drawings

Fig. 1 is a perspective view a of the present invention of a wire stitcher.

Fig. 2 is a perspective view B of the thread binding machine of the present invention.

Fig. 3 is a schematic perspective view of a portion of the thread binding machine of the present invention.

Fig. 4 is a perspective view of a thread binding machine according to the present invention.

Fig. 5 is a schematic view of an assembly structure of a bedplate and a frame of the thread binding machine of the invention.

Fig. 6 is a schematic sectional structure view of a-a in fig. 5.

Fig. 7 is a schematic view of an assembly structure of a platen and a fixing plate of the thread binding machine according to the present invention.

FIG. 8 is a schematic cross-sectional view of B-B in FIG. 7.

Fig. 9 is a perspective view D of the thread binding machine of the present invention.

Fig. 10 is a schematic view showing an assembled structure of a document fixing device and a table of the thread binding machine according to the present invention.

Fig. 11 is an exploded view of the document holder and platen of the present invention.

Fig. 12 is a side view of the present invention.

Fig. 13 is a schematic sectional view in the direction of C-C in fig. 12.

Fig. 14 is a schematic perspective view of a thread hooking device of the thread binding machine according to the present invention.

Fig. 15 is a front view of the thread binding machine of the present invention.

Fig. 16 is a schematic sectional view in the direction of D-D in fig. 15.

Fig. 17 is an enlarged schematic view of a portion E in fig. 16.

Shown in the figure: 1. the device comprises a rack, 2, a bedplate, 201, a mounting bracket, 202, a groove, 203, a wire releasing groove, 204, an avoiding groove, 3, a punching device, 3-1, a punching bracket, 3-2, a punching handle, 3-3, a handle rotating shaft, 3-4, a punching knife, 3-5, a punching gear, 3-6, a punching fixed rack, 3-7, a punching movable rack, 3-8, a sliding groove, 3-9, a strip-shaped hole, 3-10, a waste hopper, 3-11, a material receiving box, 4-1, a fixing plate, 4-101, a wire hooking groove, 4-2, a sliding shaft sleeve, 4-3, a sliding shaft, 4-4, a fixing block, 4-5, a limiting pin, 4-6, a first clamping position, 4-7, a second clamping position, 5, a text fixing device, 5-1, 5-2 parts of paper pressing plate, 5-3 parts of locking shaft, 5-301 parts of locking part, 5-302 parts of first connecting part, 5-303 parts of locking part, 5-304 parts of second connecting part, 5-305 parts of first through hole, 5-306 parts of second through hole, 5-4 parts of lug, 5-4 parts of driving part, 5-401 parts of limiting convex ring, 5-402 parts of connecting protrusion, 5-5 parts of bracket, 5-501 parts of first shaft sleeve, 5-502 parts of second shaft sleeve, 5-503 parts of hinging part, 5-504 parts of third shaft sleeve, 5-6 parts of fixing sleeve, 5-7 parts of return elastic part, 5-8 parts of driving elastic part, 5-9 parts of first limiting part, 5-10 parts of guide shaft, 5-11 parts of second limiting part, 6 parts of line hooking device, 6-1 part of line hooking device, The device comprises, by weight, 6-2 parts of a handle, 6-3 parts of a fixed shaft, 6-301 parts of a sliding block, 6-4 parts of a guide hole, 6-5 parts of a guide shaft, 6-6 parts of a thread hooking needle, 6-7 parts of a fixed rack, 6-8 parts of a movable rack, 6-801 parts of a gear, 6-9 parts of a square hole, 6-10 parts of a limiting piece, 6-11 parts of a bottom plate and a mounting plate.

Detailed Description

For a better understanding of the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that the detailed description is merely illustrative of exemplary embodiments of the present application and does not limit the scope of the present application in any way. Like reference numerals refer to like elements throughout the specification.

In the drawings, the thickness, size, and shape of an object have been slightly exaggerated for convenience of explanation. The figures are purely diagrammatic and not drawn to scale.

It will be further understood that the terms "comprises," "comprising," "includes," "including," "has," "having," "contains," and/or "containing," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

As shown in fig. 1 to 3, the embodiment discloses a linear binding machine, which includes a frame 1, a platen 2, a thread hooking device, a text fixing device, and a punching device 3, wherein the platen 2 and the punching device 3 are both mounted on the frame 1, and the punching device 3 is located at one side of the platen 2. The text fixing device is arranged at one end of the bedplate 2 close to the punching device 3.

The punching device 3 comprises a punching bracket 3-1, and the punching bracket 3-1 is connected to one end of the rack 1. The punching device is characterized in that a punching handle 3-2 is arranged on the punching support 3-1, the upper end of the punching support 3-1 is rotatably connected with a handle rotating shaft 3-3, two ends of the punching handle 3-2 are respectively connected with two ends of the handle rotating shaft 3-3, and the handle rotating shaft 3-3 can be driven to rotate by rotating the punching handle 3-2. The punching support 3-1 is provided with a plurality of punching knives 3-4, and in the embodiment, the number of the punching knives 3-4 is three. Each punching knife 3-4 is connected with the handle rotating shaft 3-3 through a punching transmission mechanism, and the handle rotating shaft 3-3 can be rotated to drive the punching knives 3-4 to move up and down. The punching transmission mechanism comprises a punching gear 3-5, a punching fixed rack 3-6 and a punching movable rack 3-7, the punching gear 3-5 is tightly matched on the handle rotating shaft 3-3, the cross section of the rotating shaft of the punching handle 3-2 is a polygon, and a polygon hole matched with the handle rotating shaft 3-3 is arranged in the middle of the punching gear 3-5. The punching device is characterized in that the punching fixed rack 3-6 is fixedly connected to the punching support 3-1, one side of the punching gear 3-5 is meshed with the punching fixed rack 3-6, the movable racks are fixedly connected to the movable plate, sliding grooves 3-8 are formed in two sides of the punching support 3-1, and two sides of the movable plate are respectively in sliding fit with the sliding grooves 3-8. The movable gear rack is engaged on the other side of the punching gears 3-5. The two sides of the punching support 3-1 are respectively provided with a sliding chute 3-9, and the two ends of the handle rotating shaft 3-3 are respectively matched in the sliding chutes 3-9. The rotating of the punching handle 3-2 can drive the rotating shaft to rotate, so that the movable plate is driven to move up and down, the punching knife 3-4 can be driven to move up and down, and the punching knife 3-4 can punch the text when moving downwards. The punching knife 3-4 is of a hollow structure, the movable plate is connected with a waste hopper 3-10, the punching knife 3-4 is fixedly connected with the waste hopper 3-10, a through hole of the punching knife 3-4 is communicated with the waste hopper 3-10, a discharge hole of the waste hopper 3-10 is positioned in the punching support 3-1, the punching support 3-1 is also provided with a material receiving box 3-11, the material receiving box 3-11 is positioned below a discharge hole of the waste hopper 3-10, after the punching knife 3-4 punches, punched waste paper is left in the through hole of the punching knife 3-4, and when no waste paper exists in the through hole of the punching knife 3-4, the waste paper can be extruded from the upper end of the through hole of the punching knife 3-4, squeezed into a waste hopper 3-10 and then dropped into a receiving bin 3-11.

As shown in fig. 4 to 8, the platen 2 is disposed above the frame 1, a fixing plate 4-1 is further fixedly connected to an upper side of an end portion of the frame 1 close to the punching device, sliding shaft sleeves 4-2 are disposed on two sides of the fixing plate 4-1, and the sliding shaft sleeves 4-2 form sliding rails. The arrangement direction of the through hole of the sliding shaft sleeve 4-2 is consistent with the length direction of the rack 1. One side of the bedplate 2 close to the fixed plate 4-1 is provided with two sliding shafts 4-3, the number and the size of the sliding shafts 4-3 correspond to those of the sliding shaft sleeves 4-2, and the number of the sliding shafts 4-3 is also two. The bedplate 2 is provided with a mounting bracket 201, the mounting bracket 201 is provided with a mounting groove (not shown), the sliding shaft 4-3 is embedded in the mounting groove, and the sliding shaft 4-3 is fixedly connected to the mounting bracket 201 through a fixing block 4-4, namely the fixing block 4-4 is positioned at the lower side of the sliding shaft 4-3, the fixing block 4-4 is fixedly connected to the bedplate 2, and the fixing block 4-4 presses the sliding shaft 4-3 on the bedplate 2. A limiting protrusion (not shown) is arranged in the mounting groove, a limiting concave ring (not shown) is arranged on the side wall of the sliding shaft 4-3, and the limiting protrusion is embedded in the limiting concave ring. In order to more stably mount the sliding shafts 4-3 on the bedplate 2, each sliding shaft 4-3 is fixed by two sets of mounting brackets 201 and fixing blocks 4-4. One ends of the two sliding shafts 4-3 close to the fixed plate 4-1 are in one-to-one corresponding sliding fit in through holes of the two sliding shaft sleeves 4-2.

And a limiting structure capable of limiting the first position and the second position of the bedplate 2 is arranged between the rack 1 and the bedplate 2. In this embodiment, the first position is a position where a sheet is punched on the platen 2, and the second position is a position where the platen 2 is drawn out.

The limiting structure comprises a limiting pin 4-5, a first clamping position 4-6 and a second clamping position 4-7. The limiting pin 4-5 is of a columnar structure, and the lower end of the limiting pin 4-5 is a hemisphere. A groove 202 is arranged on one side of the bedplate 2 close to the frame 1, the limiting pin 4-5 is arranged in the groove 202, and the lower end of the limiting pin 4-5 is exposed out of the groove 202. An elastic piece is arranged between the limiting pin 4-5 and the groove bottom of the groove 202, and the elastic piece is a spring. The first blocking position 4-6 and the second blocking position 4-7 are both arranged on the wall of the machine frame 1 close to the bedplate 2. The first clamping position 4-6 and the second clamping position 4-7 are both positioning holes or positioning grooves, and the aperture of the positioning holes or the aperture of the notch of the positioning grooves is smaller than the diameter of the lower end of the hemisphere of the limiting pin 4-5. When the bedplate 2 is at the first position, the limiting pin 4-5 is clamped on the first clamping position 4-6, and when the bedplate 2 is at the second position, the limiting pin 4-5 is clamped on the second clamping position 4-7. In order to achieve stable position limitation, in this embodiment, the position limitation structure is provided with two, namely, two positioning pins, two first detents 4-6 and two second detents 4-7.

When the bedplate 2 is positioned at a paper punching position, the limiting pin 4-5 is clamped in the first clamping position 4-6. After the paper is punched, the bedplate 2 is pulled, the lower end of the hemispheroid of the limiting pin 4-5 can be pulled out of the first clamping position 4-6, slides on the wall of the rack 1 and can be clamped into the second clamping position 4-7 after sliding for a certain distance, and the paper on the bedplate 2 can be threaded and knotted at the moment, so that the use is very convenient.

As shown in fig. 9 to 13, the document fixing device is installed at one end of the platen 2 near the punching device. The text fixing device comprises a paper pressing plate 5-1 and two positioning mechanisms, in the embodiment, the two positioning mechanisms are arranged, and the two positioning mechanisms are respectively arranged between two ends of the paper pressing plate 5-1 and two sides of the end part of the bedplate 2 in a one-to-one correspondence mode.

The positioning mechanism comprises a locking shaft 5-2, a locking piece 5-3 and a driving piece 5-4. The lower surface of the side part of the end part of the bedplate 2 is fixedly connected with a bracket 5-5. The bracket 5-5 is provided with a first shaft sleeve 5-501 and a second shaft sleeve 5-502, and the first shaft sleeve 5-501 and the second shaft sleeve 5-502 are integrally formed. The driving part 5-4 is in a circular shaft shape, and the driving part 5-4 is in sliding fit in the first shaft sleeve 5-501. The upper end of the driving piece 5-4 penetrates through the bedplate 2 and is exposed outside the bedplate 2 to form a button. The outer wall of the driving piece 5-4 is provided with a limiting convex ring 5-401, and the limiting convex ring 5-401 is limited outside the lower end of the shaft sleeve. The lower end face of the driving piece 5-4 is provided with a connecting bulge 5-402, and the connecting bulge 5-402 is used for being connected with the locking piece 5-3.

The locking shaft 5-2 is sleeved with a fixing sleeve 5-6, the fixing sleeve 5-6 is in sliding fit in the second shaft sleeve 5-502, and the upper end of the locking shaft 5-2 penetrates through the bedplate 2 and then is fixedly connected with the paper pressing plate 5-1. A return elastic part 5-7 is arranged between the locking shaft 5-2 and the paper pressing plate 5-1, in the embodiment, the return elastic part 5-7 is a spring, the spring is sleeved outside the locking shaft 5-2, one end of the spring is propped against the lower side of the paper pressing plate 5-1, and the other end of the spring is propped against the upper end face of the fixed sleeve 5-6.

The locking piece 5-3 is sequentially provided with a first connecting part 5-301, a locking part 5-302 and a second connecting part 5-303 along the length direction of the locking piece 5-3, and the first connecting part 5-301, the locking part 5-302 and the second connecting part 5-303 are integrally formed. The first connecting part 5-301 is planar, the locking part 5-302 is inclined, and the second connecting part 5-303 is also planar. The locking part 5-302 is provided with a first through hole 5-304, and the second connecting part 5-303 is provided with a second through hole 5-305. The outer wall of the second shaft sleeve 5-502 is provided with a hinge part 5-503, the first connecting part 5-301 is provided with a lug 5-306, and the lug 5-306 is hinged on the hinge part 5-503. A driving elastic member 5-8 is arranged between the bracket 5-5 and the second connecting portion 5-303, in this embodiment, the driving elastic member 5-8 is also a spring, and in order to make the structure more reliable, the number of the springs is two, and the two springs are respectively located on two sides of the second connecting portion 5-303. The lower end of the locking shaft 5-2 passes through the first through hole 5-304 and then is exposed outside the lower side of the locking member 5-3, the lower end of the locking shaft 5-2 is provided with a first limiting member 5-9, and the first limiting member 5-9 is limited at the lower side of the locking member 5-3. An included angle which is larger than 0 degree and smaller than 5-60 degrees is formed between the locking part 5-302 and the locking shaft 5-2, the included angle is preferably larger than 20 degrees and smaller than 60 degrees, and the locking part 5-3 and the locking shaft 5-2 are clamped mutually. The connecting projection 5-402 of the driving member 5-4 is inserted into the second through hole 5-305, and the lower end surface of the driving member 5-4 is limited on the upper side of the locking member 5-3.

The bracket 5-5 is also provided with a third shaft sleeve 5-504, and the third shaft sleeve 5-504 is integrally formed with the first shaft sleeve 5-501 and the second shaft sleeve 5-502. The third shaft sleeve 5-504 is internally matched with a guide shaft 5-10 in a sliding way, and the upper end of the guide shaft 5-10 penetrates through the bedplate 2 and is fixedly connected to the paper pressing plate 5-1. The lower end of the guide shaft 5-10 is exposed out of the lower end of the third shaft sleeve 5-504, the lower end of the guide shaft 5-10 is connected with a second limiting piece 5-11, and the second limiting piece 5-11 is limited at the lower side of the guide shaft 5-10.

The paper pressing process of the text fixing device is as follows: the paper is placed on the bedplate 2, the paper pressing plate 5-1 is pressed downwards, the paper pressing plate 5-1 moves downwards to drive the locking shaft 5-2 to move downwards together, the locking shaft 5-2 can be clamped tightly by the inclined surface of the locking part 5-302 in the process that the locking shaft 5-2 moves downwards, and the paper pressing plate 5-1 can fix the paper after the paper is compacted. After punching and threading are finished, a button (namely the end part of the driving part 5-4) is pressed, the driving part 5-4 moves downwards to push the locking part 5-3 to rotate, so that the locking part 5-302 slowly tends to be horizontal, the clamping force between the locking part 5-302 and the locking shaft 5-2 disappears gradually, and when the clamping force is smaller than the elasticity of the return elastic part 5-7, the return elastic part 5-7 can rebound automatically to automatically lift the paper pressing plate 5-1, so that the operation is very convenient.

As shown in fig. 14 to 17, the thread hooking device is disposed below the frame 1 and is located at a position corresponding to the second position of the bedplate 2. The support is provided with a through hole for the passage of a crochet needle 6-5, the position of the fixing plate 4-1 corresponding to the through hole of the support is provided with a crochet groove 4-101, and the bottom of the crochet groove 4-101 is also provided with a through hole for the passage of the crochet needle. When the bedplate 2 is located at the first position, the thread releasing groove 203 is arranged at the position of the bedplate 2 corresponding to the thread hooking groove 4-101, the thread releasing groove 203 is communicated with the thread hooking groove 4-101, and cotton threads can be clamped in the thread hooking groove 4-101 through the thread releasing groove 203. An avoiding groove 204 is arranged at one end of the bedplate 2 close to the perforating device. When the bedplate 2 is at the second position, the thread hooking needle 6-5 can pass through the through holes on the bracket and the fixing plate 4-1 and then pass through the avoiding groove 204 at the end part of the bedplate 2 to hook the thread in the thread hooking groove 4-101, thereby realizing thread hooking.

The thread hooking device comprises a handle 6-1, a fixed shaft 6-2, a sliding block 6, a guide shaft 6-4 and a transmission mechanism. The guide shafts 6-4 and the sliding blocks 6 are both installed in the machine frame 1, in this embodiment, two guide shafts 6-4 are provided, the lower ends of the two guide shafts 6-4 are both fixedly connected to the bottom plate 6-10, and the bottom plate 6-10 is fixedly connected to the machine frame 1. The sliding block 6 is provided with two guide holes 6-301, and the number of the guide holes 6-301 is also two. The sliding blocks 6 are in sliding fit with the guide shafts 6-4, and the two guide shafts 6-4 are correspondingly matched with the two guide holes 6-301 one by one. The sliding block 6 can slide up and down along the guide post. The upper surface of the sliding block 6 is provided with a plurality of thread hooking needles 6-5, in the specific embodiment, the number of the thread hooking needles 6-5 is corresponding to that of the punching knives, and the number of the thread hooking needles 6-5 is three, and the three thread hooking needles 6-5 are sequentially arranged along the length direction of the upper surface of the sliding block 6.

The transmission mechanism comprises a fixed rack 6-6, a movable rack 6-7 and a gear 11, and in the embodiment, the fixed rack 6-6, the movable rack 6-7 and the gear 11 are provided with two groups. The fixed shaft 6-2 is a square shaft, the middle part of the gear 11 is provided with a square hole 6-801 matched with the square shaft, and the two gears 11 are sleeved outside the square shaft. The two side walls of the frame 1 are both provided with long holes 101, and the long holes 101 are longitudinally arranged. The fixed shaft 6-2 and the gear 11 are installed in the frame 1, two ends of the fixed shaft 6-2 respectively penetrate through the long holes 101 on the two side walls of the frame 1 and then are exposed outside the long holes 101, two ends of the fixed shaft 6-2 are respectively provided with a limiting piece 6-9, and the limiting pieces 6-9 on two sides limit the fixed shaft 6-2 on the frame 1. The handle 6-1 is arranged on the end part of the fixed shaft 6-2 exposed out of the side wall of the frame 1. The two fixed racks 6-6 are fixedly connected to the mounting plates 6-11, and the mounting plates 6-11 are fixedly connected to the rack 1. The two movable racks 6-7 are fixedly connected on the sliding block 6. The two fixed racks 6-6 and the two movable racks 6-7 are parallel to each other in a one-to-one correspondence, and the teeth of the fixed racks 6-6 and the teeth of the corresponding movable racks 6-7 are arranged oppositely. The two fixed racks 6-6 and the two movable racks 6-7 are respectively meshed with the two gears 11 in a one-to-one correspondence.

The upper side of the frame 1 is provided with a first through hole for the thread-hooking needle 6-5 to pass through, the bedplate plate 2 is provided with a clearance groove, and the paper pressing plate 5-1 is provided with a second through hole for the thread-hooking needle 6-5 to pass through.

The handle 6-1 is rotated, and the handle 6-1 can drive the fixed shaft 6-2 to rotate, so that the gear 11 is driven to rotate; the gear 11 can drive the movable rack 6-7 to move up and down, and the gear 11 can also move up and down under the action of the fixed rack 6-6 when rotating; the movable rack 6-7 can drive the sliding block 6 to move up and down. When the sliding block 6 moves upwards, the crochet needle 6-5 can pass through the first through hole, and the clearance groove and the second through hole are exposed outside the paper pressing plate 5-1.

The working process of the thread binding machine of the invention is as follows: when the table plate is in the initial position, the table plate is positioned at the punching position, namely the limiting pin is clamped in the first clamping position. Placing cotton threads into the thread placing groove and clamping the cotton threads in the thread hooking groove of the fixing plate; then placing the paper on a platen; then the paper pressing plate is pressed downwards, the paper pressing plate moves downwards to drive the locking shaft to move downwards together until the paper pressing plate presses the paper on the bedplate, and the locking part clamps the locking shaft. Then the punching handle is rotated, the punching knife moves downwards to punch the paper, and the punched waste paper is left in the through hole of the punching knife. After paper punching is finished, the bedplate is pulled, the lower end of the limiting pin hemispheroid can be separated from the first clamping position, slides on the wall of the rack, and can be clamped into the second clamping position after sliding for a certain distance. Then the handle is rotated, the handle rotates to drive the crochet needle to move upwards, the crochet needle passes through the through holes on the bracket and the fixed plate, then passes through the crochet groove of the fixed plate and the clearance groove on the bedplate to hook the thread in the crochet groove, and then the cotton thread is knotted manually. After accomplishing to tie a knot, pressing the button (the tip of driving piece promptly), the driving piece downstream can promote the retaining member and rotate, makes locking portion slowly tend to the level, and the chucking power between locking portion and the locking shaft also disappears gradually this moment, and after the elasticity that chucking power is less than return elastic component, return elastic component just can kick-back automatically and lift up the automatic nipper of pressing, and it is very convenient to operate.