CN212021927U - Film laminating system of self-adhesion bag - Google Patents

Abstract

The utility model relates to a tectorial membrane system of self-adhesion bag relates to the technical field of wrapping bag production, and it includes bottom plate, baffle, raw materials roller and adhesive tape roller, and two baffles have set gradually guide roll one, tectorial membrane mechanism, guide roll two, guide roll three and the finished product roller along raw materials direction of delivery, rotate between two baffles and be connected with guide roll four, and the raw materials walks around guide roll one, tectorial membrane mechanism, guide roll two and the finished product roller in proper order, and the adhesive tape walks around guide roll three, guide roll four, tectorial membrane mechanism, guide roll two and the finished product roller in proper order; and a third limiting assembly used for limiting the position of the raw material is arranged on the baffle between the first guide roller and the film laminating mechanism, the third limiting assembly comprises a bidirectional screw rod rotatably connected between the two baffles, a sliding block in threaded connection with two thread sections of the bidirectional screw rod and a limiting plate fixed on the sliding block, and a guide rod connected with the sliding block in a sliding manner is fixedly connected between the two baffles. The utility model discloses the comparatively accurate effect in adhesive tape pressfitting position has.

Description

Film laminating system of self-adhesion bag

Technical Field

The utility model belongs to the technical field of the technique of wrapping bag production and specifically relates to a tectorial membrane system of self-adhesion bag is related to.

Background

In the field of food and daily chemical products, a packaging bag is an indispensable article. When the self-adhesive bag is produced, an adhesive tape needs to be adhered to the opening position of the self-adhesive bag, so that the opening position of the self-adhesive bag can be adhered through the adhesive tape to achieve the self-adhesive effect.

Currently, a laminating machine is used to bond the adhesive tape on the self-adhesive bag, so as to complete the connection between the adhesive tape and the self-adhesive bag. The existing film laminating machine is shown in fig. 1 and 4 and comprises a bottom plate 1 and two oppositely arranged baffle plates 11 fixed on the bottom plate 1, wherein a raw material frame 12 is connected to the bottom plate 1 in a rotating manner, a raw material roller 121 is connected to the raw material frame 12 in a rotating manner, adhesive tape rollers 4 are connected to the two baffle plates 11 in a rotating manner, a guide roller I2, a film laminating mechanism 3, a guide roller II 21, a guide roller III 22 and a finished product roller 23 are sequentially arranged on the two baffle plates 11 along a raw material conveying direction, a guide roller IV 5 is connected between the two baffle plates 11 in a rotating manner, raw materials sequentially bypass the guide roller I2, the film laminating mechanism 3, the guide roller II 21 and the finished product roller 23, and adhesive tapes sequentially bypass the guide roller III 22, the guide roller IV 5, the film laminating mechanism; the film covering mechanism 3 comprises an upper pressure roller 31 rotatably connected between the two baffles 11, a lower pressure roller 32 rotatably connected between the two baffles 11, and a driving assembly 33 for driving the upper pressure roller 31 and the lower pressure roller 32 to rotate, wherein the driving assembly 33 is fixed on the baffles 11, an output shaft of the motor 331 is fixedly connected with the upper pressure roller 31, a driving gear 332 fixedly sleeved on the output shaft of the motor 331, and a driven gear 333 fixed on the lower pressure roller 32 and meshed with the driving gear 332.

The above prior art solutions have the following drawbacks: raw materials and adhesive tape their position easily take place the skew in the in-process of transportation to lead to the adhesive tape pressfitting position inaccurate and influence finished product quality.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a tectorial membrane system of self-adhesion bag, it has the comparatively accurate effect in adhesive tape pressfitting position.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a film covering system of a self-adhesive bag comprises a bottom plate and two oppositely arranged baffle plates fixed on the bottom plate, wherein a raw material rack is connected onto the bottom plate in a rotating mode, a raw material roller is fixedly connected onto the raw material rack, adhesive tape rollers are connected onto the two baffle plates in a rotating mode, a first guide roller, a film covering mechanism, a second guide roller, a third guide roller and a finished product roller are sequentially arranged on the two baffle plates along a raw material conveying direction, a fourth guide roller is connected between the two baffle plates in a rotating mode, raw materials sequentially bypass the first guide roller, the film covering mechanism, the second guide roller and the finished product roller, and adhesive tapes sequentially bypass the third guide roller, the fourth guide roller, the film covering mechanism, the second guide roller and the finished; the laminating mechanism comprises an upper press roll, a lower press roll and a driving assembly, wherein the upper press roll is rotationally connected between two baffles, the lower press roll is rotationally connected between the two baffles, the driving assembly is used for driving the upper press roll and the lower press roll to rotate, the driving assembly comprises a motor, a driving gear and a driven gear, the motor is fixed on the baffles, an output shaft of the motor rotatably penetrates through the baffles and is fixedly connected with the upper press roll, the driving gear and an output shaft of the motor are coaxial, the driving gear is fixedly sleeved on the output shaft of the motor, the driven gear is fixedly connected with the lower press roll, the driving gear is meshed with the driven gear, a third limiting assembly used for limiting the position of a raw material is arranged on the baffles between a first guide roll and the laminating mechanism, the third limiting assembly comprises a bidirectional screw rod rotationally connected between the two baffles, a sliding block in threaded connection with two thread, two between the baffle jointly fixedly connected with the slider guide bar of being connected that slides, be equipped with the two spacing subassemblies two that set up relatively that are used for restricting the adhesive tape position on the guide roll IV.

By adopting the technical scheme, the raw material on the raw material roller bypasses the guide roller and passes through the space between the upper compression roller and the lower compression roller, the adhesive tape on the adhesive tape roller bypasses the third guide roller and the fourth guide roller and passes through the space between the upper compression roller and the lower compression roller, the raw material and the adhesive tape are compounded together under the extrusion of the upper compression roller and the lower compression roller to form a finished product, and the compounded finished product is finally wound on the finished product roller through the second guide roller, so that the film coating work of the self-adhesive bag is completed; when the raw material enters the film laminating mechanism from the first guide roller, the raw material needs to pass through the third limiting assembly, the slide block slides along the bidirectional screw rod under the limitation of the guide rod by rotating the bidirectional screw rod, so that the distance between the two limiting plates can be changed, the raw material is limited between the two limiting plates, and the problem of raw material offset is reduced; when the adhesive tape passes through the guide roller IV, the deviation of the adhesive tape can be reduced under the limitation of the limiting assembly II; thereby improving the accuracy of the gluing and pressing position and improving the quality of finished products.

The present invention may be further configured in a preferred embodiment as: a hand wheel is fixedly connected to one end of the bidirectional screw rod, and a locking assembly used for limiting the rotation of the bidirectional screw rod is arranged on a baffle close to the hand wheel.

By adopting the technical scheme, the bidirectional screw rod can be conveniently rotated by using the hand wheel, so that the third limiting assembly is more convenient and faster to use; after the position of the limiting plate is adjusted, the bidirectional screw rod is limited by the locking assembly, the problem that the position of the limiting plate is deviated due to the rotation of the bidirectional screw rod is reduced, and therefore the problem that raw materials are possibly deviated is further reduced.

The present invention may be further configured in a preferred embodiment as: the locking assembly comprises a mounting plate fixed on the baffle, a screw rod in threaded connection with the mounting plate and an arc plate fixed at the end of the screw rod and capable of being tightly abutted to the bidirectional screw rod.

By adopting the technical scheme, when the position of the limiting plate needs to be adjusted by using the bidirectional screw rod, the screw rod is firstly rotated to move the position of the arc plate upwards, so that the arc plate is separated from the bidirectional screw rod, the bidirectional screw rod can be normally rotated, and the normal work of the limiting assembly III is ensured; when the position of two-way lead screw is required to be limited, the screw rod is rotated to enable the position of the arc plate to move downwards until the arc plate is abutted against the two-way lead screw tightly, so that the rotation of the two-way lead screw is limited, the stability of the limiting plate is ensured, and the problem of possible deviation of raw materials is further reduced.

The present invention may be further configured in a preferred embodiment as: spacing subassembly two is including setting up last clamp on guide roll four, fixing last fender ring on last clamp, setting on guide roll four and with last clamp fixed connection's lower clamp and fix the lower fender ring on the clamp down, go up the clamp and the clamp passes through bolt fixed connection down.

Through adopting above-mentioned technical scheme, will go up the clamp and the clamp is all placed on guide roll four down, then utilize the bolt to fix the two together, go up at this moment and keep off the ring butt and form annular structure down, the adhesive tape restriction is in two annular structure to the problem of adhesive tape offset has been reduced.

The present invention may be further configured in a preferred embodiment as: and the fourth guide roller is provided with scale marks with the measuring direction consistent with the length direction of the fourth guide roller.

Through adopting above-mentioned technical scheme, according to the difference of adhesive tape width, the accessible scale mark conveniently adjusts the distance between two sets of spacing subassemblies two directly perceivedly to make spacing subassembly two be applicable to the adhesive tape of restriction different specifications.

The present invention may be further configured in a preferred embodiment as: the baffle is provided with a notch convenient for accommodating the end part of the rubber strip roller, the baffle is hinged with a barrier strip for blocking the notch, and the end part of the barrier strip is provided with a fixing bolt in threaded connection with the baffle.

By adopting the technical scheme, when the rubber strip roller is installed, the two end parts of the rubber strip roller are respectively placed on the notches of the two baffles, then the barrier strips are rotated to seal the notches, and then the barrier strips are fixed on the baffles by using the fixing bolts, so that the installation work of the rubber strip roller is completed; in a similar way, the fixing bolt is unscrewed, and then the barrier strip is rotated, so that the adhesive tape roller can be conveniently taken down from the notch, the adhesive tape roller is convenient to mount and dismount, and the adhesive tape roll is convenient to mount and dismount.

The present invention may be further configured in a preferred embodiment as: the adhesive tape roller is provided with two first limiting assemblies which are arranged oppositely and used for limiting the position of the adhesive tape roll.

Through adopting above-mentioned technical scheme, spacing subassembly one can restrict the position that the adhesive tape was rolled up to further reduced the problem of adhesive tape skew, with this quality that has improved the finished product.

The present invention may be further configured in a preferred embodiment as: the first limiting assembly comprises a limiting sleeve sleeved on the rubber strip roller, a clamping plate fixed at the end part of the limiting sleeve close to the rubber strip roll and a limiting bolt arranged on the limiting sleeve and abutted to the rubber strip roller.

Through adopting above-mentioned technical scheme, establish spacing subassembly one into the combination of stop collar, cardboard and spacing bolt, unscrew the position of the adjustable stop collar of spacing bolt and roll up in order to adapt to the adhesive tape of different specifications, cardboard on two spacing subassemblies one is located the both sides that the adhesive tape was rolled up respectively to the position that the adhesive tape was rolled up has been restricted, has further reduced the skew's of adhesive tape problem.

To sum up, the utility model discloses a following at least one useful technological effect:

the raw material can be limited between the two limit plates by using the third limit component, so that the problem of raw material offset is reduced; the deviation of the rubber strip can be reduced under the limitation of the second limiting component; thereby improving the accuracy of the gluing and pressing position and improving the quality of finished products;

after the position of the limiting plate is adjusted, the bidirectional screw rod is limited by the locking assembly, so that the problem of position deviation of the limiting plate caused by the rotation of the bidirectional screw rod is solved, and the problem of possible deviation of raw materials is further solved;

according to the difference of adhesive tape width, the distance between two sets of spacing subassemblies two can be conveniently adjusted directly perceivedly to accessible scale mark to make spacing subassembly two be applicable to the adhesive tape of restriction different specifications.

Drawings

Fig. 1 is a schematic cross-sectional structure of the prior art.

FIG. 2 is a schematic sectional view of the embodiment.

Fig. 3 is a schematic structural diagram of the embodiment.

Fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.

Fig. 5 is a partially enlarged schematic view of a portion B in fig. 3.

Reference numerals: 1. a base plate; 11. a baffle plate; 111. a notch; 112. blocking strips; 12. a raw material frame; 121. a raw material roller; 2. a first guide roller; 21. a second guide roller; 22. a third guide roller; 23. a finished product roller; 3. a film covering mechanism; 31. an upper compression roller; 32. a lower pressing roller; 33. a drive assembly; 331. a motor; 332. a driving gear; 333. a driven gear; 4. a rubber strip roller; 41. a first limiting component; 411. a limiting sleeve; 412. clamping a plate; 413. a limit bolt; 5. a fourth guide roller; 51. a second limiting component; 511. an upper hoop; 512. an upper baffle ring; 513. a lower hoop; 514. a lower baffle ring; 52. scale lines; 6. a third limiting component; 61. a bidirectional screw rod; 611. a hand wheel; 62. a slider; 63. a limiting plate; 64. a guide bar; 7. a locking assembly; 71. mounting a plate; 72. a screw; 73. an arc-shaped plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 2, for the utility model discloses a tectorial membrane system of self-adhesion bag, including bottom plate 1, bottom plate 1 is rectangle platelike structure, and bottom plate 1 level is placed subaerial. The bottom plate 1 is fixedly connected with baffle 11, and the quantity of baffle 11 is two, and two baffle 11 set up along the axis symmetry of bottom plate 1. Fixedly connected with former work or material rest 12 on the bottom plate 1, rotate on the former work or material rest 12 and be connected with former material roller 121, the length direction of raw materials roller 121 is unanimous with the width direction of bottom plate 1. The base plate 1 is sequentially provided with a first guide roller 2, a film covering mechanism 3, a second guide roller 21, a third guide roller 22 and a finished product roller 23 along the conveying direction of raw materials. The length directions of the first guide roller 2, the second guide roller 21 and the third guide roller 22 are consistent with the width direction of the bottom plate 1, and the first guide roller 2, the second guide roller 21 and the third guide roller 22 are rotatably connected between the two baffle plates 11.

Referring to fig. 3 and 4, the laminating mechanism 3 includes an upper pressure roller 31, a lower pressure roller 32, and a driving assembly 33. The upper press roll 31 is rotatably connected to the baffle 11 between the first guide roll 2 and the second guide roll 21, the lower press roll 32 is rotatably connected to the baffle 11, and the lower press roll 32 is located right below the lower press roll 32. The driving assembly 33 is used for driving the upper pressing roller 31 and the lower pressing roller 32 to rotate, and the driving assembly 33 includes a motor 331, a driving gear 332 and a driven gear 333. The motor 331 is fixed on one of the baffles 11, an output shaft of the motor 331 is rotatably arranged through the baffles 11 and fixedly connected with the upper pressure roller 31, the driving gear 332 and the output shaft of the motor 331 are coaxial, and the driving gear 332 is fixedly sleeved on the output shaft of the motor 331. The driven gear 333 is coaxial with the lower pressure roller 32, the driven gear 333 is fixedly connected with the lower pressure roller 32, and the driven gear 333 is coaxial with the driving gear 332. The motor 331 is started, the driving gear 332 fixedly connected with the output shaft of the motor 331 can rotate, and the driving gear 332 is fixedly connected with the upper pressure roller 31, so that the upper pressure roller 31 rotates; and the driving gear 332 is engaged with the driven gear 333 to rotate the lower pressure roller 32 fixedly connected with the driven gear 333.

Referring to fig. 3 and 5, notches 111 are formed in the two baffle plates 11, the two notches 111 are connected with the adhesive tape rollers 4 in a rotating mode, and the length direction of the adhesive tape rollers 4 is consistent with the width direction of the bottom plate 1. The baffle 11 is hinged with a barrier strip 112, the end part of the barrier strip 112 is in threaded connection with a fixing bolt, the notch 111 can be plugged by rotating the barrier strip 112, and the baffle 11 can be stably fixed on the baffle 11 by the fixing bolt, so that the installation work of the adhesive tape roller 4 is completed. The rubber strip roller 4 is provided with first limiting assemblies 41, the number of the first limiting assemblies 41 is two, and the two first limiting assemblies 41 are symmetrically arranged along the central axis of the rubber strip roll. The first position-limiting component 41 comprises a position-limiting sleeve 411, a clamping plate 412 and a position-limiting bolt 413. Stop collar 411 is round tubular structure, and the internal diameter of stop collar 411 slightly is greater than the external diameter of adhesive tape roller 4 to this stop collar 411 can overlap the outside at adhesive tape roller 4. The clamping plate 412 is a circular plate-shaped structure, the inner diameter of the clamping plate 412 is slightly larger than the outer diameter of the limiting sleeve 411, the clamping plate 412 and the limiting sleeve 411 are coaxial, and the clamping plate 412 is fixedly sleeved on the limiting sleeve 411. The limiting bolt 413 is in threaded connection with the limiting sleeve 411, the end part of the limiting bolt 413 can be tightly abutted to the rubber strip roller 4 by rotating the limiting bolt 413, and therefore the limiting sleeve 411 is stably sleeved on the rubber strip roller 4, and the stability of the limiting assembly I41 is improved; through adjusting the position between two sets of spacing subassemblies 41, can change the distance between two cardboard 412 to this makes spacing subassembly 41 can be used to the position that the adhesive tape of restriction different specifications was rolled up, has guaranteed the accuracy that the adhesive tape rolled up the position.

Referring to fig. 3 and 5, a guide roller four 5 is rotatably connected between the two baffle plates 11, the length direction of the guide roller four 5 is consistent with the width direction of the bottom plate 1, and the guide roller four 5 is positioned right above the upper press roller 31. The raw material on the raw material roller 121 bypasses the first guide roller 2 and passes through the space between the upper press roller 31 and the lower press roller 32, the adhesive tape on the adhesive tape roller 4 bypasses the third guide roller 22 and the fourth guide roller 5 and passes through the space between the upper press roller 31 and the lower press roller 32, so that the raw material and the adhesive tape are combined together under the extrusion of the upper press roller 31 and the lower press roller 32 to form a finished product, and the combined finished product is finally wound on the finished product roller 23 through the second guide roller 21, so that the film covering work of the self-adhesive bag is completed. And a second limiting assembly 51 is arranged on the fourth guide roller 5, the number of the second limiting assemblies 51 is two, the two second limiting assemblies 51 are arranged oppositely, and the second limiting assembly 51 comprises an upper hoop 511, an upper retaining ring 512, a lower hoop 513 and a lower retaining ring 514. Go up clamp 511 and clamp 513 down and be semi-circular tubular structure, and go up clamp 511 and clamp 513 concatenation down and can form the pipe structure, guide roll four 5 is located last clamp 511 and clamp 513 down between, and goes up clamp 511 and clamp 513 down through bolt fixed connection. The upper retaining ring 512 and the lower retaining ring 514 are both semi-circular structures, the upper retaining ring 512 is fixed on the upper hoop 511, the lower retaining ring 514 is fixed on the lower hoop 513, and when the upper hoop 511 and the lower hoop 513 are fixed together, the upper retaining ring 512 and the lower retaining ring 514 are spliced to form an annular plate. And the guide roller four 5 is provided with scale marks 52, and the measuring direction of the scale marks 52 is consistent with the length direction of the guide roller four 5. The upper clamp 511 and the lower clamp 513 are placed on the fourth guide roller 5 and then fixed together by bolts, at the moment, the upper retaining ring 512 and the lower retaining ring 514 are abutted to form a circular structure, and the adhesive tape is limited in the two circular structures, so that the problem of position deviation of the adhesive tape is reduced; meanwhile, according to the difference of the width of the rubber strips, the distance between the two groups of limiting assemblies 51 can be conveniently and intuitively adjusted through the scale marks 52, so that the two groups of limiting assemblies 51 are suitable for limiting the rubber strips with different specifications.

Referring to fig. 2 and 4, a third limiting assembly 6 is arranged on the baffle 11 between the first guide roller 2 and the film covering mechanism 3, and the third limiting assembly 6 comprises a bidirectional screw rod 61, a sliding block 62 and a limiting plate 63. The bidirectional screw rod 61 is connected with the two baffles 11 in a rotating mode, one end portion of the bidirectional screw rod 61 penetrates through the baffles 11, the end portion of the bidirectional screw rod 61 penetrating through the baffles 11 is fixedly connected with a hand wheel 611, and the bidirectional screw rod 61 can be rotated by rotating the hand wheel 611. A guide rod 64 is fixedly connected between the two baffles 11, the guide rod 64 is of a cylindrical structure, and the length direction of the guide rod 64 is consistent with that of the bidirectional screw rod 61. The slide blocks 62 are of a rectangular parallelepiped structure, the number of the slide blocks 62 is two, and the two slide blocks 62 are respectively in threaded connection with two ends of the bidirectional screw rod 61. And both sliders 62 are slidably connected to the guide rod 64. The limiting plates 63 are of rectangular plate-shaped structures, the length direction of the limiting plates 63 is consistent with that of the bottom plate 1, the number of the limiting plates 63 is two, and the two limiting plates 63 are fixed on the lower surfaces of the two sliders 62 respectively. When the raw material enters the film laminating mechanism 3 from the first guide roller 2, the raw material needs to pass through the third limiting assembly 6, the slide block 62 slides along the bidirectional screw rod 61 under the limitation of the guide rod 64 by rotating the bidirectional screw rod 61, so that the distance between the two limiting plates 63 can be changed, the raw material is limited between the two limiting plates 63, and the problem of raw material offset is reduced; when the adhesive tape passes through the fourth guide roller 5, the deviation of the adhesive tape can be reduced under the limitation of the second limiting assembly 51; thereby improving the accuracy of the gluing and pressing position and improving the quality of finished products.

Referring to fig. 4, a locking assembly 7 is arranged on the baffle 11 close to the handwheel 611, and the locking assembly 7 comprises a mounting plate 71, a screw 72 and an arc-shaped plate 73. The mounting plate 71 is fixed to the side of the baffle plate 11. The screw 72 is vertically arranged, and the screw 72 penetrates through the mounting plate 71 and is in threaded connection with the mounting plate 71. The arc-shaped surface of the arc-shaped plate 73 with a large area is fixedly connected with the bottom end of the screw 72, and the arc-shaped plate 73 can be tightly propped against the bidirectional screw rod 61 by adjusting the position of the arc-shaped plate 73. When the position of the limiting plate 63 needs to be adjusted by using the bidirectional screw rod 61, firstly, the screw rod 72 is rotated to move the position of the arc-shaped plate 73 upwards, so that the arc-shaped plate 73 is separated from the bidirectional screw rod 61, the bidirectional screw rod 61 can be normally rotated, and the normal work of the limiting component III 6 is ensured; when the position of the bidirectional screw rod 61 needs to be limited, the screw rod 72 is rotated to enable the position of the arc plate 73 to move downwards until the arc plate 73 abuts against the bidirectional screw rod 61 tightly, so that the rotation of the bidirectional screw rod 61 is limited, the stability of the limiting plate 63 is ensured, and the problem of possible deviation of raw materials is further reduced.

The implementation principle of the embodiment is as follows: the raw material on the raw material roller 121 bypasses the first guide roller 2 and passes through the space between the upper press roller 31 and the lower press roller 32, the adhesive tape on the adhesive tape roller 4 bypasses the third guide roller 22 and the fourth guide roller 5 and passes through the space between the upper press roller 31 and the lower press roller 32, so that the raw material and the adhesive tape are combined together under the extrusion of the upper press roller 31 and the lower press roller 32 to form a finished product, and the combined finished product is finally wound on the finished product roller 23 through the second guide roller 21, so that the film coating work of the self-adhesive bag is completed; when the raw material enters the film laminating mechanism 3 from the first guide roller 2, the raw material needs to pass through the third limiting assembly 6, the slide block 62 slides along the bidirectional screw rod 61 under the limitation of the guide rod 64 by rotating the bidirectional screw rod 61, so that the distance between the two limiting plates 63 can be changed, the raw material is limited between the two limiting plates 63, and the problem of raw material offset is reduced; when the adhesive tape passes through the fourth guide roller 5, the deviation of the adhesive tape can be reduced under the limitation of the second limiting assembly 51; thereby improving the accuracy of the gluing and pressing position and improving the quality of finished products.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. A film covering system of a self-adhesive bag comprises a bottom plate (1) and two oppositely arranged baffle plates (11) fixed on the bottom plate (1), the base plate (1) is fixedly connected with a raw material frame (12), the raw material frame (12) is connected with a raw material roller (121) in a rotating mode, two baffle plates (11) are connected with adhesive tape rollers (4) in a rotating mode, the two baffle plates (11) are sequentially provided with a guide roller I (2), a film laminating mechanism (3), a guide roller II (21), a guide roller III (22) and a finished product roller (23) along the raw material conveying direction, a guide roller IV (5) is connected between the two baffle plates (11) in a rotating mode, raw materials sequentially bypass the guide roller I (2), the film laminating mechanism (3), the guide roller II (21) and the finished product roller (23), and adhesive tapes sequentially bypass the guide roller III (22), the guide roller IV (5), the film laminating mechanism (3), the guide roller II (21) and the finished product roller (; the laminating mechanism (3) comprises an upper press roller (31) rotationally connected between the two baffle plates (11), a lower press roller (32) rotationally connected between the two baffle plates (11) and a driving component (33) for driving the upper press roller (31) and the lower press roller (32) to rotate, the driving component (33) comprises a motor (331), a driving gear (332) and a driven gear (333), the motor (331) is fixed on the baffle (11), an output shaft of the motor (331) rotatably penetrates through the baffle (11) and is fixedly connected with the upper pressing roller (31), the driving gear (332) and the output shaft of the motor (331) are coaxial, and the driving gear (332) is fixedly sleeved on the output shaft of the motor (331), driven gear (333) and lower pressure roller (32) fixed connection, driving gear (332) and driven gear (333) meshing, its characterized in that: guide roll one (2) and between tectorial membrane mechanism (3) be equipped with the spacing subassembly three (6) that are used for restricting the raw materials position on baffle (11), spacing subassembly three (6) are including rotating two-way lead screw (61), threaded connection between two baffles (11) slider (62) and fixing limiting plate (63) on slider (62) on two-way lead screw (61) two screw thread sections of connecting, two common fixedly connected with slides guide bar (64) of being connected with slider (62) between baffle (11), be equipped with two spacing subassemblies two (51) to setting up that are used for restricting the adhesive tape position on guide roll four (5).

2. The laminating system for self-adhesive bags according to claim 1, wherein: a hand wheel (611) is fixedly connected to one end of the bidirectional screw rod (61), and a locking assembly (7) used for limiting the rotation of the bidirectional screw rod (61) is arranged on a baffle (11) close to the hand wheel (611).

3. The laminating system for self-adhesive bags according to claim 2, wherein: the locking assembly (7) comprises an installation plate (71) fixed on the baffle (11), a screw rod (72) in threaded connection with the installation plate (71), and an arc-shaped plate (73) which is fixed at the end part of the screw rod (72) and can be tightly abutted to the bidirectional screw rod (61).

4. The laminating system for self-adhesive bags according to claim 1, wherein: spacing subassembly two (51) are including setting up last clamp (511) on guide roll four (5), fixed last fender ring (512) on last clamp (511), set up on guide roll four (5) and with last clamp (511) fixed connection's lower clamp (513) and fixed lower fender ring (514) on lower clamp (513), go up clamp (511) and lower clamp (513) are through bolt fixed connection.

5. The laminating system for self-adhesive bags according to claim 1, wherein: and the fourth guide roller (5) is provided with scale marks (52) with the measuring direction consistent with the length direction of the fourth guide roller.

6. The laminating system for self-adhesive bags according to claim 1, wherein: offer breach (111) convenient to hold adhesive tape roller (4) tip on baffle (11), articulated on baffle (11) have a blend stop (112) that are used for shutoff breach (111), be equipped with the fixing bolt with baffle (11) threaded connection on the tip of blend stop (112).

7. The laminating system for self-adhesive bags according to claim 1, wherein: and the adhesive tape roller (4) is provided with two oppositely arranged limiting assemblies I (41) for limiting the adhesive tape roll position.

8. The laminating system for self-adhesive bags according to claim 7, wherein: the first limiting component (41) comprises a limiting sleeve (411) sleeved on the rubber strip roller (4), a clamping plate (412) fixed to the limiting sleeve (411) and close to the end of the rubber strip roll, and a limiting bolt (413) arranged on the limiting sleeve (411) and abutted to the rubber strip roller (4).

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