CN218836699U

CN218836699U - Automatic adhesive tape mounting mechanism for adhesive tape sticking machine

Info

Publication number: CN218836699U
Application number: CN202222879042.XU
Authority: CN
Inventors: 吴连林; 陆凤生; 赵小虎
Original assignee: Wuxi Jiayoulian Intelligent Equipment Co ltd
Current assignee: Wuxi Jiayoulian Intelligent Equipment Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-04-11
Anticipated expiration: 2032-10-31

Abstract

The utility model relates to a tape automatic installation mechanism for tape sticking machine, comprising a base plate, the outside fixedly connected with of bottom plate is used for adjusting the cover body of adhesive tape cover position, the inboard sliding connection of the cover body has the slide that is used for connecting the adhesive tape cover. Rotate through the screw rod and drive the slide and slide in cover body outside, thereby make the fixed disk automatic sliding of installation sticky tape target in place, gear rotation makes the U board slide in the guide way inboard simultaneously, the U board slides and drives the slide and make the pushing hands slide, the pushing hands slide and pass the second round mouth and get into the inside promotion sticky tape motion of constant head tank and pass first round mouth and the installation of fixed disk accurate positioning target in place, at the constant head tank, first round mouth, the axis of guaranteeing the sticky tape under the limiting displacement of second round mouth aligns with the axis of fixed disk, it installs the fixed disk outside to guarantee to glue to align the area, prevent that the sticky tape installation process from warping, influence the tape-stripping operation.

Description

Automatic adhesive tape mounting mechanism for adhesive tape sticking machine

Technical Field

The utility model relates to a technical field of rubberizing machine specifically is a rubberizing tape automatic installation mechanism for rubberizing tape machine.

Background

The tape sticking machine is used for automatically sticking and fixing the stacked boards before drilling holes on the PCB and the FPC. Thereby improving the drilling precision of the plate and improving the processing production efficiency. The production hidden trouble problems of low quality and low efficiency caused by the process of directly pasting the board on a machine table by using the old gummed paper are completely solved, the existing adhesive tape pasting machine needs to manually hold an adhesive tape to be sleeved outside an adhesive tape shaft in the adhesive tape pasting operation, and the adhesive is manually installed, so that the following problems exist:

1. the problem that the adhesive tape falls off easily occurs when the adhesive tape of the adhesive tape sticking machine is not installed in place because the adhesive tape cannot be installed in place or not by manual installation.

2. The adhesive tape of the manual adhesive tape sticking machine is sleeved outside the adhesive tape shaft, the center of the adhesive tape is not aligned with the center of the adhesive tape shaft, the deformation of the adhesive tape is easily caused in the sleeving process, and the deformation of the adhesive tape cannot be normally stuck and aligned with a workpiece in the release and use process of the adhesive tape.

SUMMERY OF THE UTILITY MODEL

The utility model aims at ensuring that the adhesive tape sleeve automatically slides in place, the adhesive tape is accurately positioned and installed, and the adhesive tape is prevented from being installed and deformed.

Realize the utility model discloses the technical scheme of purpose is: the utility model provides a tape automatic installation mechanism for tape pasting machine, includes the bottom plate, the outside fixedly connected with of bottom plate is used for adjusting the cover body of adhesive tape cover position, the inboard sliding connection of the cover body has the slide that is used for connecting the adhesive tape cover, the inside swing joint of the cover body has the displacement subassembly that is used for controlling the slide displacement, the outside swing joint of slide has the fixed disk that is used for cup jointing the sticky tape. The utility model discloses a fixed disk drive, including bottom plate, mounting bracket, constant head tank, slide plate, the outside fixedly connected with of mounting bracket, the outside fixedly connected with of bottom plate is used for installing the mounting bracket of sticky tape, the constant head tank that is used for placing the sticky tape is seted up to the inboard of mounting bracket, the surface of mounting bracket is seted up and is used for the inside sticky tape of constant head tank to install the first round mouth in the fixed disk outside, the outside fixedly connected with of mounting bracket is used for promoting the protective housing of the inside sticky tape motion of constant head tank, the inboard sliding connection of protective housing has the slide that is used for promoting the sticky tape motion, the outside fixedly connected with of slide is used for driving the push disk of the inside sticky tape motion of constant head tank, the inside swing joint of protective housing has the assembly subassembly that is used for controlling the push disk motion, the surface of mounting bracket is seted up and is used for cooperating the push disk to get into the inside second round mouth of mounting bracket.

The utility model discloses an in some embodiments, the cover body is corresponding and the specification phase-match with the position of mounting bracket, slide and cover body slip joint, the outside fixedly connected with of fixed disk is used for the bullet strip of fixed sticky tape.

In some embodiments of the present invention, the displacement assembly includes a screw movably connected to the cover body to control the sliding of the slide, a contact fixedly connected to the cover body to control the slide to be in place, and a first motor fixedly connected to the cover body to provide power to the screw.

The utility model discloses an in some embodiments, the length of screw rod and the length specification phase-match of the cover body, the screw rod passes through the screw thread with the slide and rotates to be connected, first motor passes through connecting axle fixed connection with the screw rod, the quantity of contact is two, and two contact fixed connection are at the inside tip of the cover body, the contact is connected with first motor electricity, the contact triggers, and then makes first motor stop the circular telegram.

In some embodiments of the present invention, the fixed disk corresponds to the mounting rack in parallel, and the axis of the fixed disk coincides with the axis of the first round opening in place.

In some embodiments of the present invention, the center line of the positioning groove coincides with the axis of the first round opening, and the center line of the protective shell coincides with the axis of the second round opening.

In some embodiments of the present invention, the axis of the second round opening coincides with the central line of the positioning groove, and the position of the push plate corresponds to that of the second round opening and matches the specification.

The utility model discloses an in some embodiments, the assembly subassembly includes fixed connection in the inside pinion rack that is used for controlling the push pedal motion of protective housing, set up in the guide way of pinion rack surface cooperation pinion rack, fixed connection is used for controlling the push pedal to stop in place in the guide way inboard and touches ball, sliding connection in the inboard U board of guide way, sliding connection in the inboard linking plate of U board, swing joint in the outside gear with pinion rack intermeshing of linking plate, fixed connection provides the second motor of power for the gear in the outside of linking plate.

The utility model discloses an in some embodiments, the length of guide way and the length specification phase-match of pinion rack, the length of pinion rack and the activity stroke specification phase-match that pushes away the dish, it is corresponding with the position of U board to touch the ball, it is connected with the second motor electricity to touch the ball, touch the ball and trigger, and then make the second motor stop the circular telegram.

The utility model discloses an in some embodiments, the U board is corresponding and the specification phase-match with the position of pinion rack, U board and slide fixed connection, the second motor passes through connecting axle fixed connection with the gear.

After the technical scheme is adopted, the utility model discloses following positive effect has:

(1) The screw rod rotates to drive the sliding seat to slide outside the cover body, the sliding seat slides to enable the fixed disc to be accurately aligned with the positioning groove and the first round opening in place in a coaxial line mode under the in-place control of the contact, and therefore the fixed disc provided with the adhesive tape can automatically slide in place.

(2) Gear revolve makes the U board slide in the guide way inboard, the U board slides and drives the slide and make the pushing ram slide, the pushing ram slides and passes the inside promotion sticky tape motion of second round mouth entering constant head tank and passes first round mouth and the installation of fixed disk accurate positioning targets in place, at the constant head tank, first round mouth, the axis of guaranteeing the sticky tape under the limiting displacement of second round mouth aligns with the axis of fixed disk, it installs the fixed disk outside to guarantee to glue to align the area, prevent that the sticky tape installation process from warping, influence the tape-stripping operation.

Drawings

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

FIG. 2 is a schematic view of the connection relationship between the bottom plate, the cover, the displacement assembly and the fixing plate of the present invention;

FIG. 3 is a schematic view showing the connection relationship among the cover, the slide, and the displacement assembly of the present invention;

FIG. 4 is a schematic view of the cross-sectional connection structure among the cover, the slide, and the displacement assembly of the present invention;

FIG. 5 is a schematic structural view of the fixing plate of the present invention;

FIG. 6 is a schematic view of the connection relationship between the mounting frame, the positioning groove, the protective shell, the push plate and the second round opening;

FIG. 7 is a schematic view showing the connection relationship between the mounting bracket, the positioning slot, the first round opening and the second round opening;

FIG. 8 is a schematic view showing the connection among the protective shell, the sliding plate and the pushing plate of the present invention;

FIG. 9 is a schematic view of the sectional connection structure among the protective shell, the sliding plate, the pushing plate and the assembling unit of the present invention;

FIG. 10 is a schematic view of the connection relationship among the slide plate, the push plate and the assembling unit of the present invention;

fig. 11 is a schematic structural view of the connection relationship among the toothed plate, the guide groove and the contact ball of the present invention;

FIG. 12 is a schematic view showing the connection relationship among the slide plate, the push plate and the assembling unit according to the present invention;

FIG. 13 is a schematic view of the connection relationship between the assembling components of the present invention;

fig. 14 is a schematic view of the connection relationship between the slide plate and the push plate according to the present invention.

In the figure: 1. a base plate; 11. a cover body; 12. a slide base; 13. a displacement assembly; 131. a screw; 132. a contact; 133. a first motor; 14. fixing the disc; 15. a spring bar; 2. a mounting frame; 21. positioning a groove; 22. a first round mouth; 23. a protective shell; 24. a slide plate; 25. pushing a disc; 26. assembling the components; 261. a toothed plate; 262. a guide groove; 263. contacting the ball; 264. a U plate; 265. a connection plate; 266. a gear; 267. a second motor; 27. and a second round mouth.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to which the description refers must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The embodiment of the automatic adhesive tape mounting mechanism for the adhesive tape sticking machine comprises the following steps:

the first embodiment is as follows:

referring to fig. 1-6, an automatic adhesive tape mounting mechanism for an adhesive tape sticking machine comprises a base plate 1, a cover body 11 for adjusting the position of an adhesive tape sleeve is fixedly connected to the outside of the base plate 1, a slide seat 12 for connecting the adhesive tape sleeve is slidably connected to the inner side of the cover body 11, the cover body 11 corresponds to the mounting frame 2 in position and is matched with the mounting frame in specification, the slide seat 12 is slidably connected with the cover body 11 in a clamping manner, and an elastic strip 15 for fixing an adhesive tape is fixedly connected to the outside of a fixing disc 14.

The displacement assembly 13 is movably connected to the interior of the cover 11 and used for controlling the displacement of the slide base 12, the displacement assembly 13 includes a screw 131 movably connected to the interior of the cover 11 and used for controlling the slide base 12 to slide, a contact 132 fixedly connected to the inner side of the cover 11 and used for controlling the slide base 12 to be in place, and a first motor 133 fixedly connected to the exterior of the cover 11 and used for providing power for the screw 131, and a fixed disk 14 used for sleeving an adhesive tape is movably connected to the exterior of the slide base 12.

The length of screw 131 matches with the length specification of cover 11, and screw 131 is connected through the screw rotation with slide 12, and first motor 133 passes through connecting axle fixed connection with screw 131, and the quantity of contact 132 is two, and two contact 132 fixed connection are at the inside tip of cover 11, and contact 132 is connected with first motor 133 electricity, and contact 132 triggers, and then makes first motor 133 stop the circular telegram.

When the tape outside the tape sticking machine needs to be replaced, a user manually takes away the tape ring outside the fixed disk 14, the user operates the first motor 133 to electrify and operate to drive the screw 131 to rotate inside the cover body 11, the screw 131 rotates to drive the sliding seat 12 to slide outside the cover body 11, the sliding seat 12 slides to drive the fixed disk 14 to move, the fixed disk 14 moves until the fixed disk moves to the inner side of the mounting frame 2 to be aligned with the first round opening 22 in a coaxial manner, at the moment, the sliding seat 12 is in contact with the contact 132 at the inner end part of the cover body 11, and then the first motor 133 stops electrifying.

The outside fixedly connected with of bottom plate 1 is used for installing mounting bracket 2 of sticky tape, the constant head tank 21 that is used for placing the sticky tape is seted up to the inboard of mounting bracket 2, the surface of mounting bracket 2 is seted up and is used for the inside sticky tape of constant head tank 21 to install at the outside first round mouth 22 of fixed disk 14, fixed disk 14 corresponds with the position parallel of mounting bracket 2, the axis of fixed disk 14 and the axis of first round mouth 22 target in place the coincidence each other, the central line of constant head tank 21 and the axis coincidence of first round mouth 22.

The slide carriage 12 slides outside the housing 11 by the rotation of the screw 131, and the slide carriage 12 slides to make the fixing plate 14 precisely aligned with the positioning slot 21 and the first round opening 22 in the same axis under the control of the positioning of the contact 132, so that the fixing plate 14 with the adhesive tape is automatically slid in place.

Example two:

referring to fig. 1, 6-14, an automatic adhesive tape mounting mechanism for an adhesive tape sticking machine comprises a bottom plate 1, a mounting frame 2 fixedly connected to the outside of the bottom plate 1 and used for mounting an adhesive tape, a positioning groove 21 used for placing the adhesive tape is formed in the inner side of the mounting frame 2, a first round opening 22 used for mounting the adhesive tape inside the positioning groove 21 on the outside of a fixed disk 14 is formed in the surface of the mounting frame 2, the fixed disk 14 corresponds to the mounting frame 2 in a parallel manner, and the axis of the fixed disk 14 coincides with the axis of the first round opening 22.

The outer portion of the mounting frame 2 is fixedly connected with a protective shell 23 used for pushing an adhesive tape in the positioning groove 21 to move, the central line of the positioning groove 21 is overlapped with the axis of the first round opening 22, the central line of the protective shell 23 is overlapped with the axis of the second round opening 27, the axis of the second round opening 27 is overlapped with the central line of the positioning groove 21, and the push disc 25 corresponds to the second round opening 27 in position and is matched in specification.

The inner side of the protective shell 23 is slidably connected with a sliding plate 24 used for pushing a tape to move, the outer side of the sliding plate 24 is fixedly connected with a push disc 25 used for driving the tape in the positioning groove 21 to move, the inner side of the protective shell 23 is movably connected with an assembly component 26 used for controlling the push disc 25 to move, the surface of the mounting frame 2 is provided with a second round port 27 used for matching the push disc 25 to enter the mounting frame 2, the assembly component 26 comprises a toothed plate 261 fixedly connected to the inner side of the protective shell 23 and used for controlling the push disc 25 to move, a guide groove 262 arranged on the surface of the toothed plate 261 and matched with the toothed plate 261, a contact ball 263 fixedly connected to the inner side of the guide groove 262 and used for controlling the push disc 25 to stop in place, a U plate 264 slidably connected to the inner side of the guide groove 262, a connecting plate 265 slidably connected to the inner side of the U plate 264, a gear 266 movably connected to the outer side of the connecting plate 265 and engaged with the toothed plate 261, and a second motor 267 fixedly connected to the outer side of the connecting plate 265 and used for providing power for the gear 266.

Based on the first embodiment, after the fixed disk 14 is in place, a user puts the adhesive tape into the inner side of the positioning slot 21, the axis of the adhesive tape ring coincides with the axis of the first circular opening 22, the user operates the second motor 267 to stop running to drive the gear 266 to rotate and engage with the toothed plate 261, the gear 266 rotates to drive the connecting plate 265 to slide on the inner side of the U plate 264, the connecting plate 265 slides to drive the second motor 267 to move, the connecting plate 265 slides to drive the U plate 264 to slide back and forth on the inner side of the guide slot 262, the U plate 264 slides to drive the sliding plate 24 to slide on the inner side of the protective shell 23, the sliding plate 24 slides to drive the pushing disk 25 to move through the second circular opening 27 to enter the positioning slot 21 inside the mounting rack 2, the pushing disk 25 pushes the adhesive tape inside the positioning slot 21 to move to be sleeved outside the fixed disk 14 through the first circular opening 22 until the pushing disk 25 moves to the nearest distance from the toothed plate 261 to the mounting rack 2 along with the U plate 264, the pushing disk 25 is pushed completely and sleeved outside the fixed disk 14 under the limiting action of the elastic strip 15, the fastening disk 25 returns to the initial position along with the sliding back, until the elastic strip 264 and the sliding contacts with the guide ball 263, and then the inner side of the second circular opening 263, so that the motor 267 stops being electrified.

After the tape is mounted, similarly, the user operates the first motor 133 to operate the control screw 131 to rotate and drive the sliding base 12 to slide so as to slide and reset the fixed tray 14 until the sliding base 12 contacts with the contact 132 at the inner end of the cover 11, so that the first motor 133 stops being powered on, and the tape is connected with the iron tape machine to perform the tape attaching operation.

The length of guide way 262 and the length specification phase-match of pinion rack 261, the length of pinion rack 261 and the activity stroke specification phase-match of pushing tray 25, it is corresponding with the position of U board 264 to touch ball 263, touch ball 263 and second motor 267 electricity and be connected, touch ball 263 triggers, and then makes second motor 267 stop the circular telegram, U board 264 and pinion rack 261's position is corresponding and the specification phase-match, U board 264 and slide 24 fixed connection, second motor 267 and gear 266 pass through connecting axle fixed connection.

Gear 266 rotates and makes U board 264 slide in guide way 262 inboard, U board 264 slides and drives slide 24 and slide and make the pushing tray 25 slide, pushing tray 25 slides and passes second round mouth 27 and gets into the inside sticky tape motion that promotes of constant head tank 21 and pass first round mouth 22 and fixed disk 14 accurate positioning installation and target in place, at constant head tank 21, first round mouth 22, guarantee under the limiting displacement of second round mouth 27 that the axis of sticky tape aligns with the axis of fixed disk 14, guarantee to glue and align the area and install fixed disk 14 outside, prevent that the sticky tape installation process from warping, influence the tape-stripping operation.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a tape automatic installation mechanism for taping machine, includes bottom plate (1), its characterized in that: a cover body (11) used for adjusting the position of the adhesive tape sleeve is fixedly connected to the outside of the bottom plate (1), a sliding seat (12) used for connecting the adhesive tape sleeve is connected to the inner side of the cover body (11) in a sliding mode, a displacement assembly (13) used for controlling the displacement of the sliding seat (12) is movably connected to the inside of the cover body (11), and a fixed disc (14) used for sleeving an adhesive tape is movably connected to the outside of the sliding seat (12);

the utility model discloses a fixing device for adhesive tape, including bottom plate (1), mounting bracket (2), the inboard of mounting bracket (2) is offered and is used for placing constant head tank (21) of sticky tape, the surface of mounting bracket (2) is offered and is used for constant head tank (21) inside sticky tape to install first round mouth (22) outside fixed disk (14), the outside fixedly connected with of mounting bracket (2) is used for promoting protective housing (23) of the inside sticky tape motion of constant head tank (21), the inboard sliding connection of protective housing (23) has slide (24) that are used for promoting the sticky tape motion, the outside fixedly connected with of slide (24) is used for driving pushing away set (25) of the inside sticky tape motion of constant head tank (21), the inside swing joint of protective housing (23) has assembly (26) that are used for controlling pushing away set (25) motion, the surface of mounting bracket (2) is offered and is used for cooperating pushing away set (25) and gets into inside second round mouth (27) of mounting bracket (2).

2. The automatic tape mounting mechanism for a taping machine according to claim 1, wherein: the position of the cover body (11) and the mounting frame (2) is corresponding and the specification is matched, the sliding seat (12) is connected with the cover body (11) in a sliding mode, and the outer fixed connection of the fixed disk (14) is provided with elastic strips (15) used for fixing the adhesive tape.

3. The automatic tape mounting mechanism for a taping machine, as claimed in claim 1, wherein: the displacement assembly (13) comprises a screw rod (131) movably connected to the inside of the cover body (11) to control the sliding seat (12) to slide, a contact (132) fixedly connected to the inside of the cover body (11) to control the sliding seat (12) to be in place, and a first motor (133) fixedly connected to the outside of the cover body (11) to provide power for the screw rod (131).

4. The automatic tape mounting mechanism for a taping machine according to claim 3, wherein: the length of screw rod (131) and the length specification phase-match of cover body (11), screw rod (131) are connected through the screw rotation with slide (12), first motor (133) pass through connecting axle fixed connection with screw rod (131), the quantity of contact (132) is two, two contact (132) fixed connection at the inside tip of cover body (11), contact (132) are connected with first motor (133) electricity, contact (132) trigger, and then make first motor (133) stop the circular telegram.

5. The automatic tape mounting mechanism for a taping machine according to claim 1, wherein: the fixed disc (14) is parallel to and corresponds to the mounting frame (2), and the axis of the fixed disc (14) and the axis of the first round opening (22) are superposed in place.

6. The automatic tape mounting mechanism for a taping machine according to claim 1, wherein: the central line of constant head tank (21) and the axis of first round mouth (22) coincide each other, the central line of protective housing (23) and the axis of second round mouth (27) coincide each other.

7. The automatic tape mounting mechanism for a taping machine, as claimed in claim 1, wherein: the axis of the second round opening (27) is overlapped with the central line of the positioning groove (21), and the push disc (25) corresponds to the second round opening (27) in position and is matched with the second round opening in specification.

8. The automatic tape mounting mechanism for a taping machine according to claim 1, wherein: the assembly component (26) comprises a toothed plate (261) fixedly connected to the inside of the protective shell (23) and used for controlling the movement of the pushing disc (25), a guide groove (262) formed in the surface of the toothed plate (261) and matched with the toothed plate (261), a contact ball (263) fixedly connected to the inner side of the guide groove (262) and used for controlling the in-place stop of the pushing disc (25), a U plate (264) slidably connected to the inner side of the guide groove (262), a connecting plate (265) slidably connected to the inner side of the U plate (264), a gear (266) movably connected to the outer portion of the connecting plate (265) and meshed with the toothed plate (261), and a second motor (267) fixedly connected to the outer portion of the connecting plate (265) and used for providing power for the gear (266).

9. The automatic tape mounting mechanism for a taping machine according to claim 8, wherein: the length of guide way (262) and the length specification phase-match of pinion rack (261), the length of pinion rack (261) and the activity stroke specification phase-match of pushing away dish (25), it is corresponding with the position of U board (264) to touch ball (263), touch ball (263) and second motor (267) electricity and be connected, touch ball (263) and trigger, and then make second motor (267) stop the circular telegram.

10. The automatic tape mounting mechanism for a taping machine according to claim 8, wherein: the U plate (264) corresponds to the toothed plate (261) in position and is matched in specification, the U plate (264) is fixedly connected with the sliding plate (24), and the second motor (267) is fixedly connected with the gear (266) through a connecting shaft.