Fixed-length cutting and grabbing mechanism for long adhesive tape

Abstract

The utility model relates to a fixed-length cutting and grabbing mechanism for a long adhesive tape. The fixed-length cutting and grabbing mechanism comprises a cutting mechanism and an adhesive tape rolling mechanism, the adhesive tape rolling mechanism is installed on the portion, between the stretching door plate and the cutting vertical plate, of the cutting bottom plate. And the clamping jaw module positioning mechanism comprises a positioning lead screw mounting plate, a positioning motor side plate, a clamping jaw movable frame and a clamping jaw unit. Through the clamping jaw module positioning mechanism matched with the cutting mechanism, the long adhesive tape cutting device can be used for cutting a long adhesive tape, cutting treatment of a preset length size is achieved, operation is easy, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field related to adhesive tape processing, in particular to a fixed-length cutting and grabbing mechanism for a long adhesive tape. Background Art

[0002] The tape needs to be cut during the processing. Most of the existing technologies are traditional short and narrow tapes, which cannot provide precise positioning requirements during use or cannot provide corresponding solutions for related products with production capacity requirements. Therefore, long tapes are needed. However, in the cutting process of long tapes, there is no servo or other positioning mechanism. Therefore, qualified products cannot be made well during the tape removal and stretching process, and the production of products is single.

[0003] In view of the above-mentioned defects, the designer actively carried out research and innovation in order to create a long tape fixed-length cutting and grabbing mechanism to make it more valuable for industrial use. Utility Model Content

[0004] In order to solve any of the above technical problems, the purpose of the present invention is to provide a fixed-length cutting and grabbing mechanism for long adhesive tapes.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] Long tape fixed-length cutting and grabbing mechanism, including cutting mechanism and tape winding mechanism;

[0007] The cutting mechanism includes a cutting base plate and a stretching door plate installed at the front end of the cutting base plate, a cutting vertical plate is installed at the rear end of the cutting base plate, a cutting upper limit plate is installed on the top of the front end of the cutting vertical plate, a cutting guide shaft is installed on the cutting vertical plate at the front end of the cutting upper limit plate, a front top boosting plate is provided below the cutting upper limit plate, a front top lifting cylinder installed on the cutting base plate drives the upper front top boosting plate to move in the vertical direction, cutting and pulling top lifting cylinders are installed on the left and right sides of the rear end of the cutting vertical plate, the cutting and pulling top lifting cylinders drive the upper cutting and pulling mounting frame to move in the vertical direction, a cutting and pulling module is installed on the cutting and pulling mounting frame, the cutting and pulling module drives the cutter mounting frame to move in the left and right directions, a rear top boosting plate is provided below the cutting and pulling mounting frame, and the rear top lifting cylinder installed on the cutting base plate drives the upper rear top boosting plate to move in the vertical direction;

[0008] The tape winding mechanism is installed on the cutting bottom plate between the stretching door plate and the cutting vertical plate;

[0009] The clamping jaw module positioning mechanism comprises a positioning lead screw mounting plate, a positioning motor side plate, a clamping jaw movable frame and a clamping jaw unit.

[0010] As a further improvement of the utility model, the motor transmission module comprises a positioning servo motor, a motor synchronous wheel, a synchronous belt and a lead screw synchronous wheel, the positioning servo motor mounted on the positioning motor side plate is connected with the lead screw in sequence through the motor synchronous wheel, the synchronous belt and the lead screw synchronous wheel; the motor synchronous wheel is mounted on a synchronous wheel adjusting plate, an adjusting block is mounted on the positioning motor side plate on one side of the synchronous wheel adjusting plate, and the adjusting block is connected with the synchronous wheel adjusting plate through an adjusting nut and a stretching block.

[0011] As a further improvement of the utility model, the positioning guide rails distributed along the front and back directions are mounted on the positioning lead screw mounting plate, and the clamping jaw transmission frame is connected with the positioning guide rails; the cutting guide rails distributed along the front and back directions are connected with the left side of the cutting bottom plate.

[0012] As a further improvement of the utility model, at least one guide rail positioning cylinder is mounted below the cutting bottom plate, a guide rail positioning seat is mounted on the bottom of the cutting bottom plate above the guide rail positioning cylinder, and the guide rail positioning top block on the top is driven by the guide rail positioning cylinder to move in the vertical direction and is matched with the guide rail positioning seat above.

[0013] As a further improvement of the utility model, the positioning tank chain connected with the clamping jaw transmission frame is mounted on the positioning lead screw mounting plate, the cutting tank chain is connected with the right side of the cutting bottom plate, and a handle is mounted on the front end of the bottom of the stretching door plate.

[0014] As a further improvement of the utility model, the clamping jaw unit comprises a clamping jaw lifting cylinder, a lower clamping jaw and an upper clamping jaw, the clamping jaw lifting cylinders are mounted on the left and right sides of the front end of the clamping jaw movable frame, the clamping jaw lifting cylinders drive the upper clamping jaw mounting plate and the lower clamping jaw mounting plate on the upper and lower sides to move in the vertical direction, the lower clamping jaw is mounted on the lower clamping jaw mounting plate, the lower clamping jaw pressing plate is mounted on the lower clamping jaw, the upper clamping jaw is mounted on the bottom of the upper clamping jaw mounting plate, and the upper clamping jaw pressing plate is mounted on the bottom of the upper clamping jaw.

[0015] As a further improvement of the utility model, the adhesive tape roll material mechanism comprises an expansion shaft mounting plate, an expansion shaft and a rotating shaft, the expansion shaft mounting plate is installed on the cutting base plate, an expansion shaft fixing flange is installed on one side of the expansion shaft mounting plate, the expansion shaft is installed on the expansion shaft fixing flanne, the expansion shaft connecting ring is installed on the expansion shaft fixing flange, the rotating shaft is sleeved on the expansion shaft fixing flange and is sleeved into the belt seat bearing through clearance fit, the movable friction ring is clamped in the middle through the spring and the fixed friction ring, the tightening handle is tightened on the left side of the rotating shaft, the spring is sleeved into the rotating shaft and clamps the spring in the middle through the tightening handle and the fixed friction ring, the fixed friction ring is installed on the outer ring of the belt seat bearing, and the belt seat bearing is installed on the expansion shaft mounting plate.

[0016] As a further improvement of the utility model, the adhesive tape paper roll material detection mounting rod is installed on the expansion shaft mounting plate.

[0017] By the above scheme, the utility model has at least the following advantages:

[0018] The utility model can be used for cutting long adhesive tape and realizes cutting processing of a predetermined length size, and is simple to operate and convenient to use.

[0019] The utility model can significantly improve production efficiency and product quality, reduce labor cost and has wide market prospect.

[0020] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and the content of the specification can be implemented, the following will be explained in detail with the preferred embodiment of the utility model and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as the limitation to the scope, and for ordinary skilled person in the art, other related drawings can be obtained without creative labor according to these drawings.

[0022] Figure 1 It is a structure schematic view of the long adhesive tape fixed-length cutting grabbing mechanism of the utility model;

[0023] Figure 2 It is Figure 1 The structure schematic view of the jaw module positioning mechanism in the middle;

[0024] Figure 3 It is Figure 1 The structure schematic view of the cutting mechanism in the middle;

[0025] Figure 4is Figure 3 Side view of the cutting mechanism in the non-working state;

[0026] Figure 5 is Figure 3 Side view of the cutting mechanism in the working state;

[0027] Figure 6 is Figure 1 Structure diagram of the adhesive tape pressing positioning mechanism.

[0028] In the drawings, the meanings of the various reference signs are as follows.

[0029] Clamp jaw module positioning mechanism 100, cutting mechanism 200, adhesive tape roll mechanism 300;

[0030] Positioning lead screw mounting plate 1, positioning motor side plate 2, positioning servo motor 3, synchronous wheel adjusting plate 4, motor synchronous wheel 5, synchronous belt 6, lead screw synchronous wheel 7, lead screw 8, positioning guide rail 9, positioning tank chain 10, clamp jaw movable frame 11, clamp jaw transmission frame 12, adjusting block 13, adjusting nut 14, stretching block 15, clamp jaw lifting cylinder 16, lower clamp jaw mounting plate 17, lower clamp jaw 18, lower clamp jaw pressing plate 19, upper clamp jaw mounting plate 20, upper clamp jaw 21, upper clamp jaw pressing plate 22;

[0031] Stretching door plate 23, handle 24, cutting bottom plate 25, cutting guide rail 26, cutting vertical plate 27, cutting tank chain 28, cutting guide shaft 29, cutting upper limit plate 30, front jacking cylinder 31, front jacking pressing plate 32, cutting and pulling jacking cylinder 33, cutting and pulling mounting frame 34, cutting and pulling module 35, cutting knife mounting frame 36, rear jacking cylinder 37, rear jacking pressing plate 38, guide rail positioning cylinder 39, guide rail positioning seat 40;

[0032] Expansion shaft mounting plate 41, expansion shaft fixing flange 42, expansion shaft connecting ring 43, expansion shaft 44, adhesive tape paper roll detection mounting rod 45, rotating shaft 46, movable friction ring 47, tightening handle 48, spring 49, fixed friction ring 50, belt seat bearing 51. DETAILED DESCRIPTION

[0033] The specific embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but are not used to limit the scope of the utility model.

[0034] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0035] As shown in the drawings, Figures 1-6 A long adhesive tape fixed-length cutting grabbing mechanism includes a jaw module positioning mechanism 100, a cutting mechanism 200 and an adhesive tape roll mechanism 300.

[0036] 1. The jaw module positioning mechanism 100 includes a positioning lead screw mounting plate 1, a positioning motor side plate 2, a jaw movable frame 11 and a jaw unit. The positioning lead screw mounting plate 1 is located at the right end of the rear side of the cutting bottom plate 25. The positioning motor side plate 2 is installed at the rear end of the positioning lead screw mounting plate 1. The motor transmission module installed on the positioning motor side plate 2 is connected with the lead screw 8 installed on the positioning lead screw mounting plate 1. The lead screw 8 drives the jaw movable frame 11 to move in the front-rear direction through the lead screw nut and the jaw transmission frame 12. The jaw unit is installed at the front end of the jaw movable frame 11.

[0037] The motor transmission module includes a positioning servo motor 3, a motor synchronous wheel 5, a synchronous belt 6 and a lead screw synchronous wheel 7. The positioning servo motor 3 installed on the positioning motor side plate 2 is connected with the lead screw 8 through the motor synchronous wheel 5, the synchronous belt 6 and the lead screw synchronous wheel 7 in sequence. The motor synchronous wheel 5 is installed on the synchronous wheel adjusting plate 4. The adjusting block 13 is installed on the positioning motor side plate 2 on one side of the synchronous wheel adjusting plate 4. The adjusting block 13 is connected with the synchronous wheel adjusting plate 4 through the adjusting nut 14 and the stretching block 15.

[0038] The jaw unit includes a jaw lifting cylinder 16, a lower jaw 18 and an upper jaw 21. The jaw lifting cylinder 16 is installed on both sides of the front end of the jaw movable frame 11. The jaw lifting cylinder 16 drives the upper jaw mounting plate 20 and the lower jaw mounting plate 17 on both sides to move in the vertical direction. The lower jaw 18 is installed on the lower jaw mounting plate 17. The lower jaw pressing plate 19 is installed on the lower jaw 18. The upper jaw 21 is installed on the bottom of the upper jaw mounting plate 20. The upper jaw pressing plate 22 is installed on the bottom of the upper jaw 21.

[0039] 2. The cutting mechanism 200 includes a cutting base plate 25 and a stretching door plate 23 installed at the front end of the cutting base plate 25. A cutting vertical plate 27 is installed at the rear end of the cutting base plate 25. A cutting upper limit plate 30 is installed at the top of the front end of the cutting vertical plate 27. A cutting guide shaft 29 is installed on the cutting vertical plate 27 at the front end of the cutting upper limit plate 30. A front top lifting plate 32 is provided below the cutting upper limit plate 30. A front lifting cylinder 31 installed on the cutting base plate 25 drives the upper front top lifting plate 32 to move vertically. The cutting plate 25 is provided with a rear lifting plate 38, and the rear lifting cylinder 37 installed on the cutting base plate 25 drives the upper rear lifting plate 38 to move in the vertical direction.

[0040] A positioning guide rail 9 distributed along the front-to-back direction is installed on the positioning screw mounting plate 1, and the clamping claw transmission frame 12 is connected to the positioning guide rail 9; and is connected to a cutting guide rail 26 distributed along the front-to-back direction on the left side of the cutting base plate 25.

[0041] At least one guide rail positioning cylinder 39 is installed below the cutting base plate 25, and a guide rail positioning seat 40 is installed at the bottom of the cutting base plate 25 above the guide rail positioning cylinder 39. The guide rail positioning cylinder 39 drives the top guide rail positioning top block to move in the vertical direction and adapt to the guide rail positioning seat 40 above.

[0042] A positioning tank chain 10 connected to the clamp transmission frame 12 is installed on the positioning screw mounting plate 1, and is connected to the cutting tank chain 28 on the right side of the cutting base plate 25. A handle 24 is installed at the bottom front end of the stretching door panel 23.

[0043] 3. The tape winding mechanism 300 is installed on the cutting bottom plate 25 between the stretching door plate 23 and the cutting vertical plate 27.

[0044] The adhesive tape roll mechanism 300 comprises an expansion shaft mounting plate 41, an expansion shaft 44 and a rotating shaft 46, the expansion shaft mounting plate 41 is mounted on the cutting base plate 25, an expansion shaft fixing flange 42 is mounted on one side of the expansion shaft mounting plate 41, the expansion shaft 44 is mounted on the expansion shaft fixing flange 42, an expansion shaft connecting ring 43 is mounted on the expansion shaft fixing flange 42, the rotating shaft 46 is sleeved on the expansion shaft fixing flange 42 and is sleeved into the tape seat bearing 51 through clearance fit, the movable friction ring 47 is clamped in the middle through the spring 49 and the fixed friction ring 50, the rotating handle 48 is screwed on the left side of the rotating shaft 46, the spring 49 is sleeved into the rotating shaft 46 and is clamped in the middle through the rotating handle 48 and the fixed friction ring 50, the fixed friction ring 50 is mounted on the outer ring of the tape seat bearing 51, and the tape seat bearing 51 is mounted on the expansion shaft mounting plate 41. The adhesive tape roll detection mounting rod 45 is mounted on the expansion shaft mounting plate 41.

[0045] The first embodiment of the utility model:

[0046] The clamping jaw module positioning mechanism 100 is locked by screws on the back of the positioning motor side plate 2, the synchronous wheel adjusting plate 4 is installed on the front limiting groove of the positioning motor side plate 2 by screws, the adjusting block 13 is installed in the limiting groove of the positioning motor side plate 2 by screws, the adjusting nut 14 is passed through the gap between the adjusting block 13 and the stretching block 15 and is fixed by the nut, the stretching block 15 is installed on the right side of the synchronous wheel adjusting plate 4 by screws, the positioning servo motor 3 is installed on the back of the positioning motor side plate 2 by screws, and the clamping jaw lifting cylinder 16 is locked and fixed on the clamping jaw movable frame 11 by screws.

[0047] When the clamping jaw module positioning mechanism 100 is in a non-working state, the clamping jaw lifting cylinder 16 drives the lower clamping jaw pressing plate 19 and the upper clamping jaw pressing plate 22 to open, and the motor transmission module drives the clamping jaw movable frame 11 to retreat to a waiting position.

[0048] When the clamping jaw module positioning mechanism 100 is converted from a non-working state to a working state, the motor transmission module drives the clamping jaw movable frame 11 to position, drives the clamping jaw movable frame 11 to move to a fixed position, the clamping jaw lifting cylinder 16 drives the lower clamping jaw pressing plate 19 and the upper clamping jaw pressing plate 22 to close and tighten the adhesive tape, and finally the adhesive tape is pulled out to a fixed length through the lead screw module.

[0049] The cutting mechanism 200 is connected to the clamping jaw module positioning mechanism 100.

[0050] As Figure 4 When the cutting mechanism 200 is in a non-working state, all the cylinder assemblies are in a retracted state, and all the assemblies mounted on the cylinders are in a static state.

[0051] As Figure 5When the cutting mechanism 200 is in working state, the front jacking cylinder 31 jacks the front jacking pressing plate 32 to pull out the adhesive tape paper by a fixed length, the cutting jacking cylinder 33 lowers to drive the cutting jacking frame 34, the cutting module 35 and the cutting knife frame 36 to press down, the rear jacking cylinder 37 lowers to drive the rear jacking pressing plate 38 to press the cutting position of the adhesive tape paper, the cutting module 35 moves to drive the cutting knife frame 36 to cut the adhesive tape paper, and after cutting, the rear jacking cylinder 37 lowers for the next time of material taking by the jaw module positioning mechanism 100.

[0052] The adhesive tape roll mechanism 300 is connected to the cutting mechanism 200, the expansion shaft mounting plate 41 is mounted at a fixed position by screws, the expansion shaft fixing flange 42 is mounted at the side of the expansion shaft mounting plate 41 by screws, the expansion shaft 44 is sleeved on the expansion shaft fixing flange 42 by screws, the expansion shaft connecting ring 43 is mounted on the expansion shaft fixing flange 42 by screws, the adhesive tape roll detection mounting rod 45 is directly sleeved on the expansion shaft mounting plate 41, the rotating shaft 46 is sleeved on the expansion shaft fixing flange 42 by screws and is sleeved into the belt seat bearing 51 through clearance fit, the movable friction ring 47 is clamped in the middle through the spring 49 and the fixed friction ring 50, the knob 48 is screwed in the threaded hole behind the rotating shaft 46 through the processed thread, the spring 49 is sleeved in the rotating shaft 46 and is clamped in the middle through the knob 48 and the fixed friction ring 50, and the fixed friction ring 50 is clamped on the outer ring of the belt seat bearing 51 through the tensioning port, and the belt seat bearing 51 is locked on the expansion shaft mounting plate 41 by screws.

[0053] When the adhesive tape roll mechanism 300 is in non-working state, the roll does not move under the condition of no power.

[0054] When the adhesive tape roll mechanism 300 is in working state, all the springs 49 are screwed through the knob 48, the friction force of the spring 49 and the movable friction ring 47 and the fixed friction ring 50 is increased, so that the friction force is increased, and thus the adhesive tape paper can not be bent and deformed when the jaw module positioning mechanism 100 takes the material.

[0055] The utility model discloses a jaw module positioning mechanism matched with the cutting mechanism, which can be used for cutting long adhesive tape and realizing cutting processing of a predetermined length size, and has the advantages of simple operation, convenient use, high production efficiency and product quality, low labor cost and wide market prospect.

[0056] In the description of the utility model, need understanding is, the term "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "internal", "external" and so on indicate the orientation or positional relation based on the orientation or positional relation shown in the drawing, just for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, construct and operate in a particular orientation, therefore can not be understood as the limitation of the utility model. In addition, the term "first", "second" and so on are only for the purpose of description, and can not be understood as indicating or implying relative importance or implying the number of the indicated technical features. Therefore, the features limited by "first", "second" and so on can be explicitly or implicitly included one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0057] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, can be electrically connected, can be directly connected, can be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0058] The above is only the preferred embodiment of the utility model, and is not used to limit the utility model, it should be pointed out that, for ordinary skilled in the art, on the premise of not departing from the technical principles of the utility model, can make several improvements and variations, these improvements and variations also should be regarded as the protection scope of the utility model.

Claims

1. A long tape fixed-length cutting and grabbing mechanism, comprising a cutting mechanism (200) and a tape winding mechanism (300); Its characteristics are: The cutting mechanism (200) comprises a cutting base plate (25) and a stretching door plate (23) installed at the front end of the cutting base plate (25); a cutting vertical plate (27) is installed at the rear end of the cutting base plate (25); a cutting upper limit plate (30) is installed at the top of the front end of the cutting vertical plate (27); a cutting guide shaft (29) is installed on the cutting vertical plate (27) at the front end of the cutting upper limit plate (30); a front top pressure plate (32) is provided below the cutting upper limit plate (30); a front top pressure cylinder (31) installed on the cutting base plate (25) drives the upper front top pressure plate (32) ) moves in the vertical direction, a cutting and pulling lifting cylinder (33) is installed on both the left and right sides of the rear end of the cutting vertical plate (27), the cutting and pulling lifting cylinder (33) drives the cutting and pulling mounting frame (34) above to move in the vertical direction, a cutting and pulling module (35) is installed on the cutting and pulling mounting frame (34), the cutting and pulling module (35) drives the cutter mounting frame (36) to move in the left and right directions, a rear lifting plate (38) is provided below the cutting and pulling mounting frame (34), and a rear lifting cylinder (37) installed on the cutting bottom plate (25) drives the rear lifting plate (38) above to move in the vertical direction; The adhesive tape coiling mechanism (300) is mounted on the cutting base plate (25) between the stretching door plate (23) and the cutting vertical plate (27); The invention also includes a clamping module positioning mechanism (100), wherein the clamping module positioning mechanism (100) includes a positioning screw mounting plate (1), a positioning motor side plate (2), a clamping movable frame (11) and a clamping unit, wherein the positioning screw mounting plate (1) is located at the rear side of the right end of the cutting base plate (25), and a positioning motor side plate (2) is installed at the rear end of the positioning screw mounting plate (1), and a motor transmission module installed on the positioning motor side plate (2) is connected to a screw (8) installed on the positioning screw mounting plate (1), and the screw (8) drives the clamping movable frame (11) to move in the front and rear directions through a screw nut and a clamping drive frame (12), and a clamping unit is installed at the front end of the clamping movable frame (11).

2. The long tape fixed-length cutting and grabbing mechanism according to claim 1, characterized in that: The motor transmission module comprises a positioning servo motor (3), a motor synchronous wheel (5), a synchronous belt (6) and a screw synchronous wheel (7); the positioning servo motor (3) mounted on the positioning motor side plate (2) is connected to the screw (8) in sequence through the motor synchronous wheel (5), the synchronous belt (6) and the screw synchronous wheel (7); the motor synchronous wheel (5) is mounted on the synchronous wheel adjustment plate (4); an adjustment block (13) is mounted on the positioning motor side plate (2) on one side of the synchronous wheel adjustment plate (4); the adjustment block (13) is connected to the synchronous wheel adjustment plate (4) through an adjustment nut (14) and a stretching block (15).

3. The long tape fixed-length cutting and grabbing mechanism according to claim 1, characterized in that: A positioning guide rail (9) distributed along the front-back direction is installed on the positioning screw rod mounting plate (1), and the clamping claw transmission frame (12) is connected to the positioning guide rail (9); and is connected to a cutting guide rail (26) distributed along the front-back direction on the left side of the cutting base plate (25).

4. The long tape fixed-length cutting and grabbing mechanism according to claim 1, characterized in that: At least one guide rail positioning cylinder (39) is installed below the cutting base plate (25), and a guide rail positioning seat (40) is installed at the bottom of the cutting base plate (25) above the guide rail positioning cylinder (39). The guide rail positioning cylinder (39) drives the top guide rail positioning top block to move in the vertical direction and adapt to the upper guide rail positioning seat (40).

5. The long tape fixed-length cutting and grabbing mechanism according to claim 1, characterized in that: A positioning tank chain (10) connected to a clamping claw transmission frame (12) is installed on the positioning screw mounting plate (1), connected to a cutting tank chain (28) on the right side of the cutting base plate (25), and a handle (24) is installed at the front bottom of the stretching door panel (23).

6. The long tape fixed-length cutting and grabbing mechanism according to claim 1, characterized in that: The clamping unit comprises a clamping jaw lifting cylinder (16), a lower clamping jaw (18) and an upper clamping jaw (21). The clamping jaw lifting cylinder (16) is installed on both the left and right sides of the front end of the clamping jaw movable frame (11). The clamping jaw lifting cylinder (16) drives the upper clamping jaw mounting plate (20) and the lower clamping jaw mounting plate (17) on the upper and lower sides to move in the vertical direction respectively. The lower clamping jaw (18) is installed on the lower clamping jaw mounting plate (17), and the lower clamping jaw pressure plate (19) is installed on the lower clamping jaw (18). The upper clamping jaw (21) is installed at the bottom of the upper clamping jaw mounting plate (20), and the upper clamping jaw pressure plate (22) is installed at the bottom of the upper clamping jaw (21).

7. The long tape fixed-length cutting and grabbing mechanism according to claim 1, characterized in that: The adhesive tape winding mechanism (300) comprises an expansion shaft mounting plate (41), an expansion shaft (44) and a rotating shaft (46), wherein the expansion shaft mounting plate (41) is mounted on a cutting base plate (25), an expansion shaft fixing flange (42) is mounted on one side of the expansion shaft mounting plate (41), an expansion shaft (44) is mounted on the expansion shaft fixing flange (42), an expansion shaft connecting ring (43) is mounted on the expansion shaft fixing flange (42), and the rotating shaft (46) is sleeved on the expansion shaft fixing flange (42). The seat bearing (51) is inserted into the seat bearing through clearance fit, the movable friction ring (47) is clamped in the middle by the spring (49) and the fixed friction ring (50), the tightening handle (48) is tightened on the left side of the rotating shaft (46), the spring (49) is inserted into the rotating shaft (46) and the spring (49) is clamped in the middle by tightening the handle (48) and the fixed friction ring (50), the fixed friction ring (50) is installed on the outer ring of the seat bearing (51), and the seat bearing (51) is installed on the expansion shaft mounting plate (41).

8. The long tape fixed-length cutting and grabbing mechanism according to claim 7, characterized in that: The tape roll material detection mounting rod (45) is mounted on the expansion shaft mounting plate (41).

Images