CN212748004U - Weighing mechanism and foil guiding machine - Google Patents

Abstract

The utility model relates to a weighing machine constructs and leads paper tinsel machine, include: the mounting seat is arranged on the unwinding mechanism or the winding mechanism and provided with a mounting groove; the weighing sensor is arranged in the mounting groove; and the weighing load rod is inserted in the mounting groove and is abutted against the weighing sensor. When the residual weight of the coiled material on the unwinding mechanism or the weight of the coiled material wound on the winding mechanism needs to be weighed, the unwinding shaft and the residual coiled material on the unwinding shaft or the coiled material wound on the winding shaft are detached together and then are integrally loaded into the mounting groove, at the moment, the heavy-load rod can support and position the unwinding shaft or the winding shaft, the weighing sensor can accurately measure the weight of the coiled material on line, after weighing is completed, the unwinding shaft and the residual coiled material are processed, and the winding shaft and the wound raw material are taken away and placed back to the original position.

Description

Weighing mechanism and foil guiding machine

Technical Field

The utility model relates to a machining equipment technical field especially relates to a weighing machine constructs and leads paper tinsel machine.

Background

In the foil-reversing operation of a roll material such as an aluminum foil, a weighing operation is required to accurately weigh the amount of the roll material left in an unwinding mechanism or the amount of the roll material received in a winding mechanism. The traditional weighing mode is generally that the machine is stopped firstly, then the roll-shaped material is manually dismounted from the unwinding mechanism or the winding mechanism and then transferred to a weighing device beside the machine, after data are read, the data are manually recorded, and then the roll-shaped material is loaded back to the unwinding mechanism and the winding mechanism. The operation mode of weighing can lead to high labor intensity of workers, low operation efficiency and influence on production efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a weighing machine constructs and leads paper tinsel machine, it is big to aim at solving intensity of labour that weighs, problem that the operating efficiency is low.

In one aspect, the present application provides a weighing mechanism, the weighing mechanism comprising:

the mounting seat is arranged on the unwinding mechanism or the winding mechanism and provided with a mounting groove;

the weighing sensor is arranged in the mounting groove; and

and the heavy-load weighing rod is inserted into the mounting groove and is abutted against the weighing sensor.

In one embodiment, the weighing mechanism further comprises a limiting component, wherein the limiting component is arranged on one side groove wall of the mounting groove and can open or close the notch of the mounting groove.

In one embodiment, a containing hole is concavely formed in a groove wall of the mounting groove, the limiting assembly comprises an elastic piece and a limiting block, the elastic piece is arranged in the containing hole, and the limiting block is connected with the elastic piece and can extend out of the containing hole to enter the mounting groove or shrink into the containing hole.

In one embodiment, an accommodating cavity is formed between the limiting block and the heavy-duty rod at an interval.

In one embodiment, a first inclined surface is arranged on one side, facing the accommodating cavity, of the limiting block, and the first inclined surface inclines upwards towards a notch of the mounting groove.

In one embodiment, a second inclined surface is further arranged on one side, facing the notch of the mounting groove, of the limiting block, and the second inclined surface is inclined downwards towards the heavy-duty rod.

In one embodiment, the weighing mechanism further comprises a telescopic driving part and a controller, the telescopic driving part can output telescopic driving force and is electrically connected with the controller, the telescopic driving part is further connected with the limiting block, and the weighing sensor is electrically connected with the controller.

In one embodiment, the weighing mechanism further comprises a wireless transmitter and a display controller, the wireless transmitter is in wireless communication connection with the weighing sensor, and the wireless transmitter is also in wireless communication connection with the display controller.

In one embodiment, the weighing mechanism further comprises a wired transmitter and a display controller, the wired transmitter is connected with the weighing sensor through a cable, and the wired transmitter is further connected with the display controller through a cable.

In addition, the application also provides a foil guiding machine, which comprises the weighing mechanism.

Implement the embodiment of the utility model provides a, will have following beneficial effect:

the weighing mechanism of the scheme is applied to a foil guide machine and is used for weighing the rolled material (such as aluminum foil or other metal materials) on line in real time. In particular, when in use, the mounting seat is arranged on the unwinding mechanism or the winding mechanism, so that the weighing mechanism can be integrally integrated on the unwinding mechanism or the winding mechanism, because the mounting groove of the mounting seat is internally provided with the weighing sensor which is provided with the heavy-load weighing rod in a propping way, when the residual weight of the rolled material on the unreeling mechanism needs to be weighed, or the coiled material wound on the winding mechanism is only needed to be dismounted together with the rest of the coiled material on the unwinding shaft or the coiled material wound on the winding shaft and then is integrally arranged in the mounting groove, at the moment, the heavy-load rod can support and position the unwinding shaft or the winding shaft, and weighing sensor can accurate online measurement roll material's weight, and after weighing, processing unreels material axle and together with remaining roll material to and the coiling material axle is together got away and is laid back the original place with the raw materials that has already been reeled up and can. The weighing mode can greatly reduce the labor intensity of workers, improve the weighing operation efficiency and improve the production efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Wherein: 10. an unwinding mechanism; 11. unwinding the machine base; 12. an unwinding driving assembly; 13. unwinding a material shaft; 14. A first mounting bracket; 141. a first card slot; 15. a first limit component; 16. unwinding guide rollers; 20. a winding mechanism; 21. a rolling machine seat; 22. a winding driving component; 23. winding a material shaft; 24. a second mounting bracket; 241. A second card slot; 25. a second limiting component; 26. a winding guide roller; 30. a transition conveyor; 40. a controller; 50. a weighing mechanism; 60. a waste material rolling module.

Fig. 1 is a schematic structural diagram of a foil guiding machine according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is a schematic top view of the structure of FIG. 2;

fig. 4 is a schematic structural diagram of an unwinding mechanism according to an embodiment of the present invention;

FIG. 5 is a schematic top view of the structure of FIG. 4;

fig. 6 is a schematic structural diagram of a rolling structure according to an embodiment of the present invention;

fig. 7 is a schematic top view of the structure of fig. 6.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 3, a foil guiding machine provided for an embodiment of the present application includes a winding and unwinding device and a transition conveying device 30. Wherein, receive and release the package and put including: unwinding mechanism 10, winding mechanism 20 and controller 40. And the transition conveyor 30 includes a transition roller mechanism, a tension adjustment mechanism, and a deviation correction mechanism. The controller 40 is electrically connected with the unwinding mechanism 10, the winding mechanism 20, the transition roller mechanism, the tensioning adjusting mechanism and the deviation correcting mechanism respectively, so that each functional mechanism can automatically coordinate to act, and the automation and intelligence level of the foil guiding machine is improved.

In operation, the roll material to be fed is transferred from the unwinding mechanism 10 to the winding mechanism 20, i.e. the roll material loading body before the unwinding mechanism 10 is fed, and the winding mechanism 20 is the roll material loading body after the feeding. In the transfer process, the transition roller mechanism can support and guide the moving rolled material, so that the moving is stable and reliable. The tensioning adjusting mechanism is used for tensioning the coiled material which is loosened so as to ensure the moving efficiency of the coiled material. The deviation correcting mechanism is used for correcting and correcting the moving path and direction of the rolled material in the moving process so as to ensure the rolling quality of the rolled material without fold arching.

With reference to fig. 1, fig. 4 and fig. 5, specifically, the unwinding mechanism 10 includes an unwinding base 11, an unwinding driving assembly 12 and an unwinding shaft 13, the unwinding driving assembly 12 and the unwinding shaft 13 are both mounted on the unwinding base 11, and the unwinding driving assembly 12 is in rotational driving connection with the unwinding shaft 13.

Winding mechanism 20 with unwinding mechanism 10 interval sets up relatively, just winding mechanism 20 includes rolling frame 21, rolling drive assembly 22 and rolling material axle 23, rolling drive assembly 22 with rolling material axle 23 all install in on the rolling frame 21, just rolling drive assembly 22 with rolling material axle 23 rotation drive is connected.

The controller 40 is electrically connected to the unwinding driving assembly 12 and the winding driving assembly 22 respectively, so that the unwinding driving assembly 12 and the winding driving assembly 22 can rotate forward and output or rotate backward at the same time.

The controller 40 may be a PLC, a microcomputer, a numerical control system, or the like, and is capable of automatically sending a work instruction to each of the above functional mechanisms according to a preset program.

The implementation of the technical scheme of the embodiment has the following beneficial effects: the winding and unwinding device of the above scheme is applied to a foil guiding machine, and when in operation, a roll material (such as an aluminum foil or other metal material) is firstly loaded on an unwinding shaft 13 of an unwinding mechanism 10, and the weight of the roll material is supported by an unwinding stand 11. Then, the controller 40 controls the unwinding driving assembly 12 to be turned on, and the unwinding driving assembly 12 immediately drives the unwinding shaft 13 to rotate so as to continuously send out the roll material; meanwhile, the controller 40 synchronously controls the winding driving assembly 22 in the winding mechanism 20 to open, and the winding driving assembly 22 further drives the winding shaft 23 to rotate in the same direction as the unwinding shaft 13, so that the roll material fed from the unwinding shaft 13 can be continuously wound onto the winding shaft 23, thereby completing the foil rewinding operation. When the amount of the rolled material wound on the winding shaft 23 is larger than the required amount, the controller 40 can operate to control the unwinding shaft 13 and the winding shaft 23 to rotate reversely synchronously, so as to return the redundant rolled material wound on the winding shaft 23 to the unwinding shaft 13, thereby ensuring the quality of the foil rewinding operation. Therefore, the whole operation process is completed by the unwinding mechanism 10, the winding mechanism 20 and the controller 40 in a coordinated mode, manpower participation is not needed, the labor intensity of workers and the labor cost of enterprises can be greatly reduced, the automation degree is high, and the operation efficiency is high.

With reference to fig. 1, based on the above embodiments, in some embodiments, the unwinding base 11 is provided with a first mounting frame 14, the first mounting frame 14 is provided with a first clamping groove 141, the unwinding shaft 13 is rotatably clamped in the first clamping groove 141, and the unwinding shaft 13 is detachably connected to the unwinding driving assembly 12. The unreeling machine base 11 is set to be a U-shaped block structure, and a U-shaped cavity formed by the unreeling machine base is a working cavity and used for containing the roll-shaped material. The first mounting frame 14 is screwed and fixed on the side wall of the U-shaped cavity, and a first locking groove 141 is formed on the first mounting frame, and the opening of the first locking groove faces upward. The end part of the material unreeling shaft 13 can be directly clamped in the first clamping groove 141 through a bearing, and the material unreeling shaft 13 can be stably installed by means of self gravity and the gravity of the rolled material, and is simple in structure. When the remaining weight of the coil material on the unwinding shaft 13 needs to be measured, the unwinding shaft 13 and the unwinding driving assembly 12 can be directly disassembled and separated, then the unwinding shaft 13 is lifted upwards, the coil material and the unwinding shaft 13 can be integrally taken out, then the weighing mechanism 50 is placed for weighing, the coil material does not need to be taken down from the unwinding shaft 13 and then weighed in the traditional operation mode, and the operation is complex and labor-consuming.

Further, in some embodiments, the unwinding mechanism 10 further includes a first limiting component 15, and the first limiting component 15 is disposed on a groove wall of one side of the first engaging groove 141 and is capable of opening or closing a notch of the first engaging groove 141. Therefore, the first limiting component 15 can prevent the unwinding shaft 13 from jumping out of the first clamping groove 141 due to vibration, and normal operation is affected.

Specifically, a first accommodating hole is concavely formed in a groove wall of the first card slot 141, the first limiting component 15 includes a first elastic member and a first limiting block, the first elastic member is disposed in the first accommodating hole, and the first limiting block is connected to the first elastic member and can extend out of the first accommodating hole to enter the first card slot 141 or contract into the first accommodating hole. That is, during normal work, first stopper can stretch out first holding hole and with the notch shutoff of first draw-in groove 141 under the elastic force effect of first elastic component, unreels material axle 13 and retrains in the confined slot cavity all around this moment, can prevent to jump off. When the weighing is needed, the remaining roll material can be taken out by upwards pulling the unwinding shaft 13 only by pressing the first limiting block to retreat into the first accommodating hole. The first limiting component 15 is simple in structure and convenient and reliable to use.

It should be noted that, in other embodiments, the first stopper may also be automatically retracted by a power component such as an air cylinder and an electric push rod.

With reference to fig. 1 and fig. 4, further, the unwinding mechanism 10 further includes an unwinding guide roller 16, and the unwinding guide roller 16 is rotatably disposed on the unwinding stand 11. The unwinding guide roller 16 can support and guide the web material fed from the unwinding shaft 13, prevent the web material from being suspended and damaged to affect the quality, and ensure the smooth movement of the web material.

With reference to fig. 1, on the basis of any of the above embodiments, the winding machine base 21 is provided with a second mounting frame 24, the second mounting frame 24 is provided with a second clamping groove 241, the winding material shaft 23 is rotatably clamped in the second clamping groove 241, and the winding material shaft 23 is detachably connected to the winding driving assembly 22. The winding machine base 21 is set to be a U-shaped block structure, and a U-shaped cavity formed by the winding machine base is a working cavity and used for containing the rolled material. The second mounting frame 24 is screwed and fixed on the side wall of the U-shaped cavity, and a second clamping groove 241 is arranged on the second mounting frame, and the notch of the second mounting frame faces upwards. The end part of the winding shaft 23 can be directly clamped in the second clamping groove 241 through a bearing, the winding shaft 23 can be stably installed by means of self gravity and the gravity of the rolled material, and the structure is simple.

When the weight of the rolled material which is rolled to the rolling shaft 23 needs to be measured, the rolling shaft 23 and the rolling driving assembly 22 can be directly disassembled and separated, then the rolling shaft 23 is lifted upwards, the rolled material and the rolling shaft 23 can be integrally taken out, then the weighing mechanism 50 is placed to weigh, the rolled material does not need to be taken down from the rolling shaft 23 firstly and then weighed in the traditional operation mode, and the operation is complex and laborious.

In addition, on the basis of the above embodiment, the winding mechanism 20 further includes a second limiting component 25, and the second limiting component 25 is disposed on one side groove wall of the second clamping groove 241 and is capable of opening or closing the notch of the second clamping groove 241. So, the spacing subassembly 25 of second can prevent that rolling material axle 23 from jumping out in the second draw-in groove 241 because of the vibration, influences normal work.

Specifically, a second accommodating hole is concavely formed in a groove wall of the second card slot 241, the second limiting component 25 includes a second elastic member and a second limiting block, the second elastic member is disposed in the second accommodating hole, and the second limiting block is connected to the second elastic member and can extend out of the second accommodating hole to enter the second card slot 241 or contract into the second accommodating hole. That is, during normal work, the second stopper can stretch out the second containing hole under the elastic action of the second elastic element and plugs the notch of the second clamping groove 241, and the winding material shaft 23 is constrained in the groove cavity enclosed all around at this moment, so that the jumping off can be prevented. When the weighing is needed, the winding shaft 23 can be lifted upwards to take out the residual coiled material only by pressing the second limiting block to return to the second accommodating hole. The second limiting component 25 of the embodiment has a simple structure and is convenient and reliable to use.

It should be noted that, in other embodiments, the second limiting block may also be automatically retracted by a power component such as an air cylinder and an electric push rod.

With reference to fig. 1 and fig. 6, further, the winding mechanism 20 further includes a winding guide roller 26, and the winding guide roller 26 is rotatably disposed on the winding base 21. The winding guide roller 26 can support and guide the rolled material sent out from the winding shaft 23, prevent the rolled material from being suspended and broken to influence the quality, and ensure the rolled material to move smoothly.

The unwinding driving assembly 12 and the winding driving assembly 22 are both a combination of a motor and a speed reducer. The first and second elastic members may each be, but are not limited to, a spring, an elastic post, or the like.

With reference to fig. 3 and fig. 7, in addition, the unwinding mechanism 10 and the winding mechanism 20 further include a waste material winding module 60, the waste material winding module 60 includes a waste material winding motor, a coupler, a waste material winding shaft 23 and a clamping assembly, the waste material winding motor is connected with the waste material winding shaft 23 through the coupler in a rotation driving manner, and the clamping assembly is disposed on the waste material winding shaft 23.

In some cases, some areas of the rolled material have quality defects such as dirt and breakage, and during the foil-pouring process, the portions with quality defects need to be cut off and discarded. Owing to installed waste material rolling module 60 additional for the waste material part can be fixed on waste material rolling material axle 23 by the centre gripping subassembly, and then waste material rolling motor passes through shaft coupling drive waste material rolling material axle 23 and rotates, can get rid of the defect position from producing the line, has saved and has needed artifical the shut down in the traditional operation, then the loaded down with trivial details operation of tearing the defect position manually, does benefit to and improves production efficiency.

In addition, the foil guiding machine further comprises a weighing mechanism 50, which can weigh the remaining roll material on the unwinding mechanism 10 on the unwinding shaft 13 and the rolled roll material on the winding mechanism 20 on the winding shaft 23 at any time according to the need.

In some embodiments, the weighing mechanism 50 includes: mount pad, weighing sensor and the pole of carrying of weighing. The mounting seat is arranged on the unwinding mechanism 10 or the winding mechanism 20 and provided with a mounting groove; the weighing sensor is arranged in the mounting groove; the heavy-load weighing rod is inserted into the mounting groove and abuts against the weighing sensor.

The technical scheme of the embodiment has the following beneficial effects: the weighing mechanism 50 of the above scheme is applied to a foil guiding machine and is used for weighing the rolled material on line in real time. Specifically, when in use, the mounting seat is mounted on the unwinding mechanism 10 or the winding mechanism 20, so that the weighing mechanism 50 can be integrally integrated on the unwinding mechanism 10 or the winding mechanism 20, since the weighing sensor is mounted in the mounting groove of the mounting seat, and the weighing load rod is arranged on the weighing sensor in a pressing manner, when the remaining weight of the web material on the unwinding mechanism 10 or the weight of the web material wound on the winding mechanism 20 needs to be weighed, the unwinding shaft 13 and the remaining web material thereon or the web material wound on the winding shaft 23 are only required to be dismounted together and then integrally mounted in the mounting groove, at this time, not only the weighing load rod can support and position the unwinding shaft 13 or the winding shaft 23, but also the weighing sensor can accurately measure the weight of the web material on line, and after weighing, the unwinding shaft 13 and the remaining web material are processed, and the winding material shaft 23 and the wound raw material are taken away together and placed back. The weighing mode can greatly reduce the labor intensity of workers, improve the weighing operation efficiency and improve the production efficiency.

In this embodiment, the weighing load bar is configured as a rod, a plate, or other shaped structure. The weighing load rod is provided with movable sections capable of being staggered. When unreeling material axle 13 and rolling material axle 23 and placing weighing mechanism 50 on, coil material can the heavy load pole of symmetry form the extrusion, and the activity festival of this moment weighing heavy load pole can produce radial deformation dislocation, and the heavy load pole of weighing becomes U type structure, and can avoid taking place the interference problem.

In some embodiments, the weighing mechanism 50 further comprises a limiting component, which is disposed on one side wall of the mounting groove and can open or close the notch of the mounting groove. So, spacing subassembly can prevent to call heavily loaded pole and the unreeling material axle 13 and the rolling material axle 23 of putting after and jump out in the mounting groove because of influences such as vibration and fall out, influence normal work.

Furthermore, the groove wall of the mounting groove is concavely provided with an accommodating hole, the limiting assembly comprises an elastic part and a limiting block, the elastic part is arranged in the accommodating hole, and the limiting block is connected with the elastic part and can extend out of the accommodating hole to enter the mounting groove or contract into the accommodating hole. That is, normal during operation, the stopper can stretch out the holding hole and with the notch shutoff of mounting groove under the elastic action of elastic component, unreel material axle 13, rolling material axle 23 and weigh and carry the pole and restrict this moment in confined slot cavity all around, can prevent to jump off. And when needs weigh, only need press the stopper and return to the holding downthehole, can upwards carry to draw and take out and unreel material axle 13 and rolling material axle 23. The limiting assembly is simple in structure and convenient and reliable to use.

It can be understood that an accommodating cavity is formed between the limiting block and the heavy-duty rod at intervals. The size that should hold the chamber is not less than the size of unreeling material axle 13 and rolling material axle 23 for unreel material axle 13 and rolling material axle 23 and insert easily in the mounting groove and withhold fixedly by the stopper.

Optionally, the elastic member may be, but is not limited to, a spring, an elastic column, or an elastic sheet.

In addition, in still other embodiments, a side of the limiting block facing the accommodating cavity is provided with a first inclined surface, and the first inclined surface is inclined upwards towards the notch of the mounting groove. When the unwinding shaft 13 and the winding shaft 23 are pulled upwards, the limiting block is more easily retracted into the accommodating hole under the avoiding effect of the first inclined plane, so that the unwinding shaft 13 and the winding shaft 23 are more easily detached.

Furthermore, one side of the limiting block, which faces the notch of the mounting groove, is also provided with a second inclined surface, and the second inclined surface inclines downwards towards the heavy-duty rod. And when needs will unreel material axle 13 and rolling material axle 23 and need pack into the mounting groove, under the dodge effect on second inclined plane, the stopper is easier and push the holding downthehole under the extrusion force of unreeling material axle 13 and rolling material axle 23 to avoid moving and cause the interference to unreeling material axle 13 and rolling material axle 23.

On the basis of any one of the above embodiments, the weighing mechanism 50 further includes a telescopic driving member and a controller 40, the telescopic driving member can output a telescopic driving force and is electrically connected with the controller 40, the telescopic driving member is further connected with the limiting block, and the weighing sensor is electrically connected with the controller 40. The controller 40 drives and controls the telescopic driving piece, the telescopic driving piece can automatically extend out or withdraw the limiting block, and the intelligentization and automation level of the weighing mechanism 50 is improved.

Alternatively, the telescopic drive may be, but is not limited to, a pneumatic cylinder, a linear motor, an electric push rod, or the like.

In addition, weighing mechanism 50 still includes wireless transmitter and shows the accuse ware, wireless transmitter with weighing sensor wireless communication is connected, wireless transmitter still with show accuse ware wireless communication and connect.

Or, as an alternative to the above embodiment, the weighing mechanism 50 further includes a wired transmitter and a display controller, the wired transmitter is connected to the weighing sensor through a cable, and the wired transmitter is further connected to the display controller through a cable.

No matter the wireless transmission scheme or the wired transmission scheme is adopted, the weighing mechanism 50 can be pertinently suitable for occasions with different working condition requirements, and the weighing mechanism is high in applicability. And can realize weighing in real time and return the data of weighing to the backstage in situ transmission, make things convenient for the workman in time accurate record data, realize reliable production.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A weighing mechanism, characterized in that the weighing mechanism comprises:

the mounting seat is arranged on the unwinding mechanism or the winding mechanism and provided with a mounting groove;

the weighing sensor is arranged in the mounting groove; and

and the heavy-load weighing rod is inserted into the mounting groove and is abutted against the weighing sensor.

2. The weighing mechanism of claim 1, further comprising a limiting component, wherein the limiting component is arranged on one side wall of the mounting groove and can open or close the notch of the mounting groove.

3. The weighing mechanism according to claim 2, wherein a receiving hole is concavely formed in a wall of the mounting groove, the limiting component comprises an elastic member and a limiting block, the elastic member is arranged in the receiving hole, and the limiting block is connected with the elastic member and can extend out of the receiving hole to enter the mounting groove or shrink into the receiving hole.

4. The weighing mechanism of claim 3, wherein the limiting block and the heavy-duty rod are spaced to form a containing cavity.

5. The weighing mechanism of claim 4, wherein the side of the limiting block facing the accommodating cavity is provided with a first inclined surface, and the first inclined surface is inclined upwards towards the notch of the mounting groove.

6. The weighing mechanism of claim 5, wherein the side of the limiting block facing the notch of the mounting groove is further provided with a second inclined surface, and the second inclined surface is inclined downwards towards the heavy-duty rod.

7. The weighing mechanism of claim 3, further comprising a telescopic driving member and a controller, wherein the telescopic driving member is capable of outputting a telescopic driving force and is electrically connected with the controller, the telescopic driving member is further connected with the limiting block, and the weighing sensor is electrically connected with the controller.

8. The weighing mechanism of any one of claims 1-7, further comprising a wireless transmitter and a display controller, wherein the wireless transmitter is in wireless communication with the weighing sensor, and the wireless transmitter is also in wireless communication with the display controller.

9. The weighing mechanism of any one of claims 1-7, further comprising a wired transmitter and a display controller, wherein the wired transmitter is connected with the weighing sensor through a cable, and the wired transmitter is further connected with the display controller through a cable.

10. Foil guiding machine, characterized in that it comprises a weighing mechanism according to any one of the claims 1 to 9.

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