WO2024082549A1

WO2024082549A1 - Bubble puncturing device of compound machine

Info

Publication number: WO2024082549A1
Application number: PCT/CN2023/083656
Authority: WO
Inventors: 向雷; 刘伟; 朱立纲; 汤龙; 赵国宇; 吴超
Original assignee: 上海紫江喷铝环保材料有限公司
Priority date: 2022-10-19
Filing date: 2023-03-24
Publication date: 2024-04-25
Also published as: CN115519876B; CN115519876A

Abstract

The present application relates to the technical field of bubble puncturing devices, and in particular to a bubble puncturing device of a compound machine, comprising a rack, a needling guide roller rotatably connected to the rack, and a press roller rotatably connected to the rack. A plurality of needling rings are fixed to the outer wall of the needling guide roller, a fixing frame is slidably connected to a side wall of the rack, the needling guide roller is rotatably connected to the fixing frame, and a driving assembly used for driving the fixing frame to slide is arranged on the rack. The present application has the effects that the shape and number of tool marks acting on a copy paper board are standardized, and the possibility of leaking bubbles into a finished product is reduced.

Description

A bubble dot device for compound machine

Technical Field

The present application relates to the technical field of bubble dot devices, and in particular to a bubble dot device for a compound machine.

Background technique

Wet laminating machines are commonly used in the composite packaging paper material industry as one of its main processing equipment. When the wet laminating machine is laminating the base paper and the film material (mostly PET, OPP, etc.), bubbles are easily generated in the initial startup stage. If the bubbles are not handled in time, the finished product will be scrapped and the yield rate will be affected.

At present, the common practice in the industry to deal with bubbles in wet laminating machines is to use manual methods, using a knife to cut marks on the film surface of the composite paper to release air and avoid the generation and continuation of bubbles.

With respect to the above-mentioned related technologies, the inventors believe that the above-mentioned method of releasing gas manually has uncertainties in manual work, the shape of the knife marks is not fixed, and there is a possibility that bubbles may leak into the finished product during the subsequent selection process, and there is room for improvement.

Summary of the invention

In order to standardize the shape of knife marks and the number of knife marks on composite paper and reduce the possibility of bubbles leaking into the finished product, the present application provides a bubble degassing device for a composite machine.

The present application provides a compound machine bubble point device, which adopts the following technical solution:

A bubble dot device for a compound machine comprises a frame, a needling guide roller rotatably connected to the frame, and a pressing roller rotatably connected to the frame, a plurality of needling rings are fixed on the outer wall of the needling guide roller, a fixed frame is slidably connected to the side wall of the frame, the needling guide roller is rotatably connected to the fixed frame, and a driving component for driving the fixed frame to slide is arranged on the frame.

By adopting the above technical solution, the frame is fixed on the compounding machine, the compounded composite paper is inserted between the needle guide roller and the pressure roller, the driving component drives the needle guide roller to slide toward the pressure roller, the bubble point device is started, the needle guide roller and the pressure roller rotate, the rotation of the needle guide roller drives the needle ring to rotate, the needle ring rolls on the outer wall of the composite paper, and punctures the bubbles formed on the outer wall of the composite paper. This method of fixing the needle ring on the outer wall of the needle guide roller makes the shape and number of the knife marks on the outer wall of the composite paper constant, so as to better destroy the bubbles on the side wall of the composite paper and reduce the possibility of bubbles leaking into the finished product.

Optionally, the driving assembly includes a first driving cylinder fixed on the side wall of the frame, and a piston rod of the first driving cylinder is fixedly connected to the fixing frame.

By adopting the above technical solution, after the composite paper is inserted between the needling guide roller and the pressure roller, the first driving cylinder is started, and the piston rod of the first driving cylinder slides, thereby driving the fixed frame to slide.

Optionally, a guide frame is fixed on the frame, and a mounting frame is slidably connected to the guide frame. A connecting rod is hinged on the side wall of the mounting frame, and the end of the connecting rod facing away from the mounting frame is rotatably connected to the pressure roller. A guide groove is provided on the side wall of the guide frame, and the end of the connecting rod away from the guide frame can be snapped into the guide groove. A first driving member for driving the mounting frame to slide is provided on the frame.

By adopting the above technical solution, the first driving member drives the mounting frame to slide, and under the guidance of the guide frame, the mounting frame makes the end of the connecting rod away from the mounting frame clamped in the guide groove, and the needling guide roller is driven by the connecting rod to move toward the pressure roller, thereby reducing the distance between the needling guide roller and the pressure roller, which is convenient for opening a hole on the side wall of the composite paper.

Optionally, the first driving member includes a second driving cylinder fixed to the side wall of the frame, and a piston rod of the second driving cylinder is fixedly connected to the mounting frame.

By adopting the above technical solution, the second driving cylinder is started, and the piston rod of the second driving cylinder slides, thereby driving the mounting frame to slide.

Optionally, a fixed shell is fixed on the side wall of the frame, a driving disk is rotatably connected to the inner wall of the fixed shell, a clamping frame is slidably connected to the inner wall of the fixed shell, tooth grooves are provided on the side walls of the clamping frame and the driving disk, the clamping frame is meshed with the driving disk, a limiting frame is hinged on the side wall of the clamping frame, a rotating shaft is coaxially fixed on the side wall of the needling guide roller, a clamping groove is provided on the outer wall of the rotating shaft, the limiting frame can be clamped in the clamping groove, and a second driving member for driving the driving disk to rotate is provided on the fixed shell.

By adopting the above technical solution, the second driving member drives the driving disk to rotate, and the driving disk drives the clamping frame to slide in the direction of the rotating shaft, and the limit frame is clamped with the inner wall of the clamping groove to achieve the fixation of the rotating shaft and the fixed shell; the second driving member drives the driving disk to rotate in the opposite direction, so that the clamping frame slides in the direction away from the rotating shaft, so that the limit member slides out of the guide groove, and the second driving cylinder drives the rotating shaft to slide out of the fixed shell, so that the composite paper is clamped between the needling guide roller and the pressure roller.

Optionally, the second driving member includes a gear rotatably connected to the inner wall of the fixed shell, a first helical tooth rotating coaxially with the gear, a servo motor fixed to the frame, an active disk coaxially fixed to the rotating shaft of the servo motor, and a second helical tooth coaxially fixed to the outer wall of the active disk, the first helical tooth meshing with the second helical tooth, the second helical tooth being arranged in a ring shape, a plurality of abutment grooves being evenly spaced on the inner wall of the second helical tooth, a pawl being rotatably connected to the outer wall of the active disk, a tightening spring being fixed on the outer wall of the active disk, one end of the tightening spring being fixed to the outer wall of the active disk, and the other end being fixed to the outer wall of the pawl, the pawl abutting against the inner wall of the abutment groove, a locking tooth being rotatably connected to the inner wall of the fixed shell, the locking tooth meshing with the driving disk, a power member for driving the locking tooth to rotate is provided on the inner wall of the fixed shell, and the rotation directions of the gear and the locking tooth are opposite.

By adopting the above technical solution, the servo motor is electrically connected to the external power supply, the servo motor is started, and the shaft of the servo motor rotates. When the shaft of the servo motor rotates clockwise, it drives the active disk to rotate, drives the pressure roller to rotate, and the ratchet slides on the inner wall of the second bevel tooth; when the servo motor rotates counterclockwise, the ratchet abuts against the inner wall of the abutment groove, drives the active disk to rotate, drives the second bevel tooth to rotate synchronously, the first bevel tooth meshes with the second bevel tooth, drives the gear to rotate synchronously, and the gear meshes with the driving disk, thereby driving the driving disk to rotate; when it is necessary to drive the driving disk to rotate in the opposite direction, the power member drives the locking tooth to rotate, thereby driving the driving disk to rotate in the opposite direction.

Optionally, a first rotating tooth is coaxially fixed on the outer wall of the rotating shaft, and a second rotating tooth is coaxially fixed on the upper side of the needling guide roller, and the first rotating tooth can mesh with the second rotating tooth.

By adopting the above technical solution, the servo motor drives the first rotating tooth to rotate during the process of driving the pressure roller to rotate, and the first rotating tooth engages with the second rotating tooth, thereby driving the needling guide roller to rotate, which facilitates the processing of bubbles formed on the outer wall of the composite paper.

Optionally, a plurality of grooves are evenly spaced on the outer wall of the pressing roller, and the grooves cooperate with the puncture ring.

By adopting the above technical solution, the setting of the groove and the needle ring can achieve a better bubble point effect than manual work, standardize the number of knife mark waste products and the shape of knife marks, improve the bubble point efficiency, and thus reduce losses.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The staff clamps the composite paper between the pressing roller and the needling guide roller. The driving component drives the fixed frame to slide toward the pressing roller, reducing the distance between the pressing roller and the needling guide roller, so that the needling ring forms dot-shaped knife marks on the outer wall of the composite paper, which quickly and effectively achieves the effect of de-bubbling. The driving component drives the pressing roller to move away from the needling guide roller, thus completing the task of de-bubbling.

2. The servo motor rotates clockwise to drive the pressure roller to rotate; the servo motor rotates counterclockwise to drive the active disk to rotate, the ratchet abuts in the abutment groove, driving the second bevel gear to rotate, the second bevel gear meshes with the first bevel gear, so that the gear rotates, the gear meshes with the drive disk, driving the drive disk to rotate, the drive disk drives the clamping frame to slide, increasing the distance between the clamping frame and the outer wall of the rotating shaft, and the pressure roller is separated from the fixed shell under the drive of the second drive cylinder, so that the composite paper is clamped between the pressure roller and the needling guide roller.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic diagram of the overall structure of a bubble device of a compound machine in an embodiment of the present application.

FIG. 2 is a schematic diagram of the structure of the driving disk in the embodiment of the present application, which is used to show the structure inside the inner cavity of the fixed shell.

FIG. 3 is a schematic diagram of the structure of the driving disk in the embodiment of the present application, which is used to show the structure on the side wall of the driving disk.

FIG. 4 is an exploded view of the first helical tooth and the fixed housing in the embodiment of the present application, which is used to illustrate the fixing structure between the sliding rod and the gear.

FIG. 5 is an enlarged view of point A in FIG. 1 .

FIG. 6 is an exploded view of the square rod portion in the embodiment of the present application, for illustrating the connection between the square rod and the fixed shell.

Reference numerals: 1, frame; 2, needling guide roller; 3, pressure roller; 4, needling ring; 5, fixed frame; 6, first driving cylinder; 7, guide frame; 8, mounting frame; 9, connecting rod; 10, guide groove; 11, second driving cylinder; 12, fixed shell; 13, driving disk; 14, clamping frame; 15, tooth groove; 16, limiting frame; 17, rotating shaft; 18, clamping groove; 19, second driving member; 20, gear; 21, first helical tooth; 22, servo motor; 2 3. Active disk; 24. Second oblique tooth; 25. Abutment groove; 26. Ratchet pawl; 27. Abutment spring; 28. Locking tooth; 29. Power piece; 30. First rotating tooth; 31. Second rotating tooth; 32. Groove; 33. Bracket; 34. Plug-in hole; 35. Connecting rod; 36. Clamping hole; 37. Sliding hole; 38. Sliding rod; 39. Rotating handle; 40. Limiting groove; 41. Mounting seat; 42. Telescopic motor; 43. Sliding groove; 44. Square rod.

Implementation

The present application is further described in detail below in conjunction with Figures 1-6.

The embodiment of the present application discloses a bubble dot device for a compound machine.

Referring to Fig. 1 and Fig. 2, a bubble point device for a compound machine includes a frame 1, a guide frame 7 fixed to the frame 1 by bolts, and a mounting frame 8 slidably connected to the guide frame 7. The frame 1 is slidably connected with a fixing frame 5, and a needling guide roller 2 is rotatably connected to the inner wall of the fixing frame 5, and a plurality of needling rings 4 are evenly fixed to the outer wall of the needling guide roller 2; a pressing roller 3 is rotatably connected to the inner wall of the mounting frame 8, and a plurality of grooves 32 are evenly spaced on the outer wall of the pressing roller 3. In this application, the needling rings 4 and the grooves 32 are arranged in a one-to-one correspondence. The staff passes the composite paper through the needling guide roller 2 and the pressing roller 3, rotates the needling guide roller 2 and the pressing roller 3, and breaks the bubbles of the composite paper under the action of the needling rings 4 and the grooves 32.

1 , a bracket 33 is fixed to the frame 1 by bolts, and a driving assembly for driving the fixed frame 5 to slide is arranged on the bracket 33, and the driving assembly includes a first driving cylinder 6 and an air pressure valve fixed to the bracket 33 by bolts, the air pressure valve is connected to the first driving cylinder 6, and the piston rod of the driving cylinder is fixedly connected to the fixed frame 5. When the air pressure valve is opened, the first driving cylinder 6 works, and the piston rod of the first driving cylinder 6 slides, driving the fixed frame 5 to slide, so that the needling guide roller 2 and the pressing roller 3 are staggered, so that the staff can insert the composite paper between the needling guide roller 2 and the pressing roller 3 conveniently.

1 , after the staff inserts the composite paper between the needling guide roller 2 and the pressure roller 3, they open the air pressure valve, and under the joint action of the air pressure valve and the first driving cylinder 6, control the pressure roller 3 to move toward the needling guide roller 2, so that the needling ring 4 forms dot-shaped knife marks on the paper surface of the composite paper to break the bubbles in the composite paper.

Referring to Figure 1, a connecting rod 9 is hinged on the side wall of the mounting frame 8, and one end of the connecting rod 9 away from the mounting frame 8 is hinged to the fixed frame 5. A guide groove 10 is provided on the side wall of the guide frame 7. After the staff inserts the composite paper between the needling guide roller 2 and the pressure roller 3, the driving cylinder drives the fixed frame 5 to slide, driving the connecting rod 9 to slide, and the end of the connecting rod 9 away from the guide frame 7 is inserted into the guide groove 10. Under the guidance of the guide groove 10, the pressure roller 3 moves toward the outer wall of the needling guide roller 2, which is convenient for breaking bubbles in the composite paper.

1 and 2, a fixed shell 12 is rotatably connected to the upper surface of the frame 1. In the present application, the fixed shell 12 has a truncated cone-shaped appearance. A driving disk 13 is rotatably connected to the inner cavity of the fixed shell 12. A plurality of sliding grooves 43 are provided on the outer wall of the fixed shell 12. In the present application, three sliding grooves 43 are provided. A clamping frame 14 is slidably connected to the inner walls of the three sliding grooves 43. A limiting frame 16 is hingedly connected to the side wall of the clamping frame 14. A tooth groove 15 is provided on the side wall of the driving disk 13. The clamping frame 14 is provided with a tooth groove 15 on one side facing the driving disk 13. The driving disk 13 is meshed with the clamping frame 14. When the driving disk 13 is rotated, the driving disk 13 drives the clamping frame 14 to slide, so that the distance between the clamping frames 14 is reduced.

2 , a rotating shaft 17 is coaxially fixed to the end of the pressure roller 3, and a plurality of snap-in grooves 18 are evenly spaced on the outer wall of the rotating shaft 17. The snap-in grooves 18 are all located at one end of the rotating shaft 17 close to the fixed shell 12. The driving disk 13 drives the three clamping frames 14 to move toward the outer wall of the rotating shaft 17, so that the end of the limiting frame 16 is snapped into the snap-in groove 18, fixing the rotating shaft 17 to the fixed shell 12. At this time, the rotating shaft 17 is driven to rotate during the rotation of the fixed shell 12.

1 and 4, a second driving member 19 for driving the driving disk 13 to rotate is provided on the guide frame 7, and a plug hole 34 is provided on the outer wall of the fixed shell 12, and the plug hole 34 is communicated with the inner cavity of the fixed shell 12. The second driving member 19 includes a gear 20, a first helical tooth 21, a servo motor 22, an active disk 23, and a second helical tooth 24. The gear 20 is rotatably connected to the inner wall of the fixed shell 12. A connecting rod 35 is coaxially fixed on the outer wall of the gear 20, and a clamping hole 36 is provided at one end of the connecting rod 35 away from the gear 20. A sliding hole 37 is provided through the side wall of the first helical tooth 21. In the present application, the shape of the sliding hole 37 is hexagonal. A sliding rod 38 is slidably connected to the inner wall of the sliding hole 37, and one end of the sliding rod 38 facing the clamping hole 36 is set as a pointed end. A rotating handle 39 is rotatably connected to the side wall of the frame 1. In the present application, the rotating handle 39 is hollow, and the end of the sliding rod 38 away from the gear 20 is threadedly connected to the rotating handle 39. The staff rotates the rotating handle 39 to drive the sliding rod 38 to slide, so as to facilitate the control of the sliding rod 38 to engage with the engaging hole 36.

1 and 4 , the servo motor 22 is fixed to the frame 1 by bolts, the second bevel gear 24 is coaxially fixed with the rotating shaft of the servo motor 22, the first bevel gear 21 is meshed with the second bevel gear 24, the servo motor 22 is electrically connected to an external power supply, the servo motor 22 is started, the rotating shaft of the servo motor 22 rotates, driving the second bevel gear 24 to rotate, the first bevel gear 21 to rotate, thereby driving the sliding rod 38 to rotate.

3 and 5, the active disk 23 is coaxially fixed on the rotating shaft of the servo motor 22, the active disk 23 is located on the side of the second beveled tooth 24 away from the fixed shell 12, and the second beveled tooth 24 is evenly spaced to open a plurality of abutment grooves 25 on the side facing the active disk 23, a ratchet 26 is hinged on the outer wall of the active disk 23, and a tightening spring 27 is welded and fixed on the outer wall of the active disk 23, one end of the tightening spring 27 is fixed on the outer wall of the active disk 23, and the other end is welded and fixed on the outer wall of the ratchet 26, and the end of the ratchet 26 is located on the inner wall of the abutment groove 25. When the rotating shaft of the servo motor 22 rotates clockwise, the ratchet 26 slides in the plurality of abutment grooves 25, and at this time, the servo motor 22 drives the fixed shell 12 to rotate, thereby driving the pressure roller 3 to rotate.

6 , a limiting groove 40 is provided on the outer wall of the fixed shell 12 on one side facing the servo motor 22. In the present application, the limiting groove 40 is hexagonal in shape. A mounting seat 41 is fixed on the frame 1 by bolts. A telescopic motor 42 is mounted on the mounting seat 41 by a bearing. A square rod 44 is coaxially fixed on the telescopic rod of the telescopic motor 42. The square rod 44 is hexagonal in shape, and the end of the square rod 44 is pointed. The servo motor 22 is fixedly connected to the outer wall of the telescopic motor 42. The telescopic motor 42 is electrically connected to an external power supply. When the telescopic motor 42 is started, the square rod 44 slides toward the direction of the limiting groove 40, and the end of the square rod 44 is engaged with the inner wall of the limiting groove 40. At this time, the servo motor 22 drives the telescopic motor 42 to rotate, thereby driving the pressure roller 3 to rotate.

1 and 4 , when the pressure roller 3 and the fixed shell 12 need to be fixed, the staff rotates the rotating handle 39, and the rotating handle 39 drives the sliding rod 38 to slide toward the direction of the engaging hole 36, and the sliding rod 38 engages with the engaging hole 36, and starts the servo motor 22. The rotating shaft of the servo motor 22 rotates, and the pawl 26 abuts against the inner wall of the abutting groove 25, driving the second bevel gear 24 to rotate, and the second bevel gear 24 engages with the first bevel gear 21, driving the sliding rod 38 to rotate, so that the gear 20 rotates, and the gear 20 engages with the driving disk 13, driving the driving disk 13 to rotate, and the driving disk 13 drives the limiting frame 16 to slide toward the outer wall of the pressure roller 3, and the limiting frame 16 engages with the inner wall of the engaging groove 18, thereby achieving the fixation of the fixed shell 12 and the rotating shaft 17.

2 and 4 , after the fixed shell 12 and the rotating shaft 17 are fixed together, the staff rotates the rotating handle 39 in the opposite direction, so that the sliding rod 38 slides away from the direction of the engaging hole 36, and the telescopic motor 42 is started. The telescopic rod of the telescopic motor 42 slides toward the direction of the limiting groove 40, and the square rod 44 is engaged with the inner wall of the limiting groove 40. The servo motor 22 is started, and the rotating shaft of the servo motor 22 rotates, driving the telescopic motor 42 to rotate. The telescopic motor 42 drives the fixed shell 12 to rotate, thereby driving the rotating shaft 17 to rotate, and then driving the pressure roller 3 to rotate.

2 and 4 , a locking tooth 28 is rotatably connected to the inner wall of the fixed shell 12, and the locking tooth 28 is meshed with the driving disk 13. A power member 29 for driving the locking tooth 28 to rotate is provided on the inner wall of the fixed shell 12. In the present application, the power member 29 preferably uses a driving motor, and the rotating shaft of the power member 29 is coaxially fixed with the locking tooth 28. The power member 29 is electrically connected to an external power supply, and the power member 29 is started. The rotating shaft of the power member 29 rotates, driving the locking tooth 28 to rotate, and the locking tooth 28 is meshed with the driving disk 13, driving the driving disk 13 to rotate, so that the limit frame 16 is engaged with the clamping groove 18, thereby fixing the rotating shaft 17 to the fixed shell 12.

The implementation principle of the bubble dot device of a compound machine in the embodiment of the present application is as follows: start the telescopic motor 42, the telescopic rod of the telescopic motor 42 is separated from the limit groove 40, the rotating handle 39 is rotated, the sliding rod 38 is engaged with the clamping hole 36, the servo motor 22 is started, the rotating shaft of the servo motor 22 is rotated, the ratchet 26 is abutted against the inner wall of the abutting groove 25, driving the second bevel gear 24 to rotate, the second bevel gear 24 is meshed with the first bevel gear 21, driving the gear 20 to rotate, the driving disk 13 is rotated to drive the limit frame 16 to slide, the limit frame 16 is separated from the clamping groove 18, the first driving cylinder is started, the piston rod of the first driving cylinder slides, driving the pressure roller 3 to slide, and the pressure roller 3 drives the rotating shaft 17 to leave the fixed shell 12, at this time it is convenient for the staff to insert the composite paper into the acupuncture guide After the composite paper is set, the first driving cylinder is started, and the first driving cylinder transports the pressing roller 3 to between the limiting frame 16, and the power member 29 is started. The rotating shaft of the power member 29 rotates, driving the limiting frame 16 to slide, and the limiting frame 16 is engaged with the clamping groove 18, and the telescopic motor 42 is started. The telescopic rod of the telescopic motor 42 is engaged with the inner wall of the limiting groove 40, and the rotating handle 39 is rotated. The rotating handle 39 drives the sliding rod 38 to slide away from the fixed shell 12, so that the sliding rod 38 is separated from the clamping hole 36, and the servo motor 22 is started. The rotating shaft of the servo motor 22 rotates, thereby driving the pressing roller 3 to rotate, and the first rotating tooth 30 is engaged with the second rotating tooth 31, driving the needling guide roller 2 to rotate, so as to break the bubbles of the composite paper.

The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

A bubble dot device for a compound machine, characterized in that it comprises a frame (1), a needle guide roller (2) rotatably connected to the frame (1), and a pressure roller (3) rotatably connected to the frame (1), a plurality of needle rings (4) are fixed on the outer wall of the needle guide roller (2), a fixed frame (5) is slidably connected to the side wall of the frame (1), the needle guide roller (2) is rotatably connected to the fixed frame (5), and a driving component for driving the fixed frame (5) to slide is arranged on the frame (1).
According to the bubble dot device of a compound machine as described in claim 1, it is characterized in that: the driving component includes a first driving cylinder (6) fixed on the side wall of the frame (1), and the piston rod of the first driving cylinder (6) is fixedly connected to the fixed frame (5).
According to the bubble dot device of a compound machine as described in claim 1, it is characterized in that: a guide frame (7) is fixed on the frame (1), a mounting frame (8) is slidably connected to the guide frame (7), a connecting rod (9) is hinged on the side wall of the mounting frame (8), the end of the connecting rod (9) away from the mounting frame (8) is rotatably connected to the pressure roller (3), a guide groove (10) is opened on the side wall of the guide frame (7), the end of the connecting rod (9) away from the guide frame (7) can be clamped in the guide groove (10), and a first driving member for driving the mounting frame (8) to slide is provided on the frame (1).
According to the bubble dot device of a compound machine as described in claim 3, it is characterized in that: the first driving member includes a second driving cylinder (11) fixed on the side wall of the frame (1), and the piston rod of the second driving cylinder (11) is fixedly connected to the mounting frame (8).
A bubble dot device for a compound machine according to claim 1, characterized in that: a fixed shell (12) is fixed on the side wall of the frame (1), a driving disk (13) is rotatably connected on the inner wall of the fixed shell (12), a clamping frame (14) is slidably connected on the inner wall of the fixed shell (12), tooth grooves (15) are provided on the side walls of the clamping frame (14) and the driving disk (13), the clamping frame (14) is meshed with the driving disk (13), a limiting frame (16) is hinged on the side wall of the clamping frame (14), a rotating shaft (17) is coaxially fixed on the side wall of the needling guide roller (2), a clamping groove (18) is provided on the outer wall of the rotating shaft (17), the limiting frame (16) can be clamped in the clamping groove (18), and a second driving member (19) for driving the driving disk (13) to rotate is provided on the fixed shell (12).
According to claim 5, a bubble dot device for a compound machine is characterized in that: the second driving member (19) includes a gear (20) rotatably connected to the inner wall of the fixed shell (12), a first bevel tooth (21) coaxially rotating with the gear (20), a servo motor (22) fixed to the frame (1), an active disk (23) coaxially fixed to the rotating shaft of the servo motor (22), and a second bevel tooth (24) coaxially fixed to the outer wall of the active disk (23), the first bevel tooth (21) meshes with the second bevel tooth (24), the second bevel tooth (24) is arranged in an annular shape, and a plurality of abutment grooves (25) are evenly spaced on the inner wall of the second bevel tooth (24). A pawl (26) is rotatably connected to the outer wall of the active disk (23); a clamping spring (27) is fixed to the outer wall of the active disk (23); one end of the clamping spring (27) is fixed to the outer wall of the active disk (23); the other end of the clamping spring (27) is fixed to the outer wall of the active disk (23); the pawl (26) is in contact with the inner wall of the abutment groove (25); a locking tooth (28) is rotatably connected to the inner wall of the fixed shell (12); the locking tooth (28) is meshed with the driving disk (13); a power piece (29) for driving the locking tooth (28) to rotate is arranged on the inner wall of the fixed shell (12); and the gear (20) rotates in opposite directions to the locking tooth (28).
According to the bubble dosing device of a compound machine as described in claim 6, it is characterized in that a first rotating tooth (30) is coaxially fixed on the outer wall of the rotating shaft (17), and a second rotating tooth (31) is coaxially fixed on the needling guide roller (2), and the first rotating tooth (30) can mesh with the second rotating tooth (31).
The bubble dot device for a compound machine according to claim 1 is characterized in that a plurality of grooves (32) are evenly spaced on the outer wall of the pressing roller (3), and the grooves (32) cooperate with the piercing ring (4).