Winding packaging machine capable of adjusting tension

Abstract

The invention discloses a tension-adjustable winding packaging machine, and relates to the technical field of packaging machines, the tension-adjustable winding packaging machine comprises a winding packaging machine main body of a rectangular frame structure, and the top end of the winding packaging machine main body is rotatably connected with a turntable used for uniformly winding goods on a winding film through rotation; the left end of one side of the winding and packaging machine body is fixedly connected with an electric control box used for controlling various functions and parameter setting of the winding and packaging machine body, a film tightening and gap filling mechanism is arranged on the outer side of the winding arm, a double-face circle clamping mechanism is arranged below the rotating disc, a gap expanding and material uniformizing mechanism is arranged above the winding arm, and the rotating disc is arranged below the rotating disc. The stretching wheel and the ratchet plate are matched with each other, the wrapping film can be more tightly attached to a packaged object through the film tightening and gap filling mechanism, the gap between the film and the object is reduced, and therefore the compactness and stability of packaging are improved, the wrapping film is extruded inwards, the attaching process between the film and the object can be accelerated, and the time needed by packaging is shortened.

Description

Technical Field

[0001] The invention relates to the technical field of packaging machines, and in particular to a tension-adjustable wrapping packaging machine. Background Art

[0002] The wrapping machine, also known as a wrapping machine or a wrapping machine, is a widely used packaging equipment. It uses wrapping film as packaging material, and through mechanical rotation and electrical automation control, it tightly wraps a single or a group of goods in a preset manner. The use of this equipment has gradually become popular and accepted by the majority of enterprises. With the continuous improvement of the modern automation level of the packaging industry, the wrapping machine has become an indispensable part of modern industrial production with its high efficiency, energy saving and environmental protection. It can not only realize the containerized storage, transportation and mechanized loading and unloading of goods, but also effectively prevent the damage of goods during the handling process, and play a role in dustproof, moisture-proof, leakage-proof, damage-proof and cleaning. These characteristics make the wrapping machine widely used in many industries, such as foreign trade export, food and beverage, glass and ceramics, semiconductor equipment, electronic appliances, clothing and textiles, auto parts, tires and plastics, medical equipment, chemical building materials, chemical fiber cables, etc. There are still the following defects in specific use: 1. When the object is displaced or tilted during the wrapping process, the wrapping film may not be able to evenly cover the surface of the object. This will cause some parts to be overwrapped, while other parts may not be completely wrapped, thus affecting the tightness and protection of the packaging. Secondly, displacement or tilting may also cause the wrapping film to be less fixed on the object. During transportation or storage, these parts that are not tightly fixed may loosen or even fall off, further reducing the protective effect of the packaging.

[0003] 2. Uneven thickness of the wrapping film will lead to inconsistent tightness when wrapping items. The thinner part may not provide sufficient protection, while the thicker part may over-compress the items and even cause the packaging to deform. Secondly, the thinner wrapping film is easy to break or fall off when impacted by external forces, thereby reducing the protection of the items. Moreover, the uneven thickness of the wrapping film has inconsistent performance in cushioning and shock absorption, which may cause damage to the items during transportation.

[0004] In view of this, the present invention proposes a tension-adjustable wrapping machine to compensate for and improve the deficiencies of the prior art. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides a wrapping packaging machine with adjustable tension to solve the technical problems raised in the above background technology.

[0006] To achieve the above purpose, the technical solution adopted by the present invention is: a tension-adjustable wrapping machine, comprising a wrapping machine body of a rectangular frame structure, the top of the wrapping machine body is rotatably connected to a turntable for evenly wrapping goods on the wrapping film by rotation, a left end of one side of the wrapping machine body is fixedly connected to an electrical control box for controlling various functions and parameter settings of the wrapping machine body, both sides of the upper end of the wrapping machine body are fixedly connected to a frame for providing support for the entire wrapping machine body and ensuring that various components are firmly installed and stably operated, a wrapping arm for controlling the height and winding speed of the wrapping film is fixedly connected to the outer wall of the lower end of the wrapping machine body, a film-tightening gap-filling mechanism is arranged on the outer side of the wrapping arm, a double-sided clamping mechanism is arranged below the turntable, and a gap-spreading material-leveling mechanism is arranged above the wrapping arm; The film-tightening and gap-filling mechanism is used to make the stretch film fit more tightly on the packaged article; The double-sided clamping mechanism is used to wrap the surface of the object in sections and increase the friction between the object and the wrapping film; The gap spreading and material leveling mechanism is used to open the gap to ensure that there is an appropriate space between the film materials.

[0007] The outer wall of the lower end of the right long rod away from the rotating rod is rotatably connected to the right crank; the outer wall of the bottom end of the right crank is fixedly connected to the torsion spring, and the outer wall of the right long rod on the side away from the right crank is fixedly connected to the torsion spring.

[0008] Furthermore, a reduction motor is fixedly connected to the outer wall of the rotating rod on a side away from the upper fixed block, a first slot is provided on the outer wall of the bracket on a side away from the upper fixed block, the left long rod is slidably connected to the first slot provided on the outer wall of the bracket on a side away from the upper fixed block, the inner walls of the two stretching wheels are smooth curved surfaces, a second slot is provided on the outer wall of the bracket on a side away from the left long rod, and the right long rod is slidably connected to the second slot provided on the outer wall of the bracket on a side away from the left long rod.

[0009] Furthermore, the right crank and the left crank are staggered and respectively abut against the inclined surface of the outer wall of the ratchet plate, two torsion springs are symmetrically arranged on the central axis of the upper fixed block, one of which is fixedly connected to the outer wall of the bottom end of the left crank close to the left long rod, and two obstacle rods are symmetrically arranged on the central axis of the upper fixed block, one of which is fixedly connected to the outer wall of the top end of the left long rod away from the left crank.

[0010] Furthermore, the double-sided clamping mechanism includes a bottom rod fixedly connected to the outer wall of the bottom end of the bracket, the outer wall of the bottom rod at one end away from the bracket is fixedly connected to a bottom block, the outer wall of the bottom block on the side away from the bottom rod is rotatably connected to a lower buckle, the outer wall of the lower buckle on the side away from the bottom block is penetrated and fixedly connected to a lower column, the inner wall of the lower buckle close to the bottom block is rotatably connected to an upper buckle, the outer wall of the upper buckle on the side away from the lower column is penetrated and fixedly connected to an upper column, the outer wall of the upper buckle on the side away from the bottom block is fixedly connected to a lower pressure plate, and the inner wall of the lower pressure plate is rotatably connected to an inner rotating rod.

[0011] Furthermore, the upper and lower posts are centrally distributed, and both are located on the same vertical plane as the stretching wheel. Both are made of rubber.

[0012] Furthermore, the initial position of the lower pressure plate is in conflict with the bottom end of the barrier rod and is located in the gap between adjacent barrier rods, and the outer wall of one end of the inner rotating rod away from the lower pressure plate is rotatably connected to the inner wall of the top end of one side of the bottom block.

[0013] Furthermore, the gap spreading and material leveling mechanism includes an external connecting plate fixedly connected to the outer wall of one side of the bracket, the outer wall of the end of the external connecting plate away from the bracket is penetrated and fixedly connected with an inner shaft, the outer wall of the end of the inner shaft away from the external connecting plate is slidably connected with a sleeve, the outer wall of the side of the sleeve away from the inner shaft is fixedly connected with multiple arc plates, the outer walls of the multiple arc plates away from the sleeve are rotatably connected with connecting rods, the outer walls of the multiple connecting rods away from the arc plates are fixedly connected with partitions, the outer wall of the inner shaft is sleeved with a cross slide, and the outer wall of the sleeve is fixedly connected with a push rod.

[0014] Furthermore, the positions of the plurality of arc-shaped plates are distributed in a ring shape, the side of the cross slide close to the external plate is fixedly connected to the upper surface of the external plate, and the end of the push rod away from the sleeve is fixedly connected to the outer wall of one side of the left long rod.

[0015] Furthermore, a slide groove is provided inside the cross slide, and the ends of the plurality of partitions away from the connecting rod are all slidably connected to the slide groove provided inside the cross slide.

[0016] Compared with the prior art, the present invention has the following beneficial effects: (1) The present invention utilizes the cooperation between the stretching wheel and the ratchet plate, and the tight film gap filling mechanism can make the wrapping film fit more tightly to the packaged items, reduce the gap between the film and the items, and thus improve the tightness and stability of the packaging; by squeezing the wrapping film inward, the bonding process between the film and the items can be accelerated, and the time required for packaging can be reduced. At the same time, tight packaging also helps to reduce the waste of packaging materials and reduce packaging costs; the tight film gap filling mechanism that squeezes inward can also enhance the protective effect of the wrapping film on the items. Tight packaging can better prevent dust, moisture and other contaminants from invading the items, and maintain the cleanliness and integrity of the items. In addition, tight packaging can also provide better cushioning effects and reduce the risk of damage to items when they are impacted by external forces; (2) The present invention utilizes the upper support and the lower support to cooperate with each other. In the initial stage of winding, the double-sided clamping mechanism can firmly clamp the article, which helps to ensure that the wrapping film can evenly fit on the surface of the article and improve the compactness and stability of the packaging. Through the continuous loosening and re-clamping of the double-sided clamping mechanism, the surface of the article can be wound in sections, so that the wrapping film can fit more closely on the article. The sectioned winding method helps to reduce the waste of film materials and improve the efficiency and aesthetics of packaging. In the clamping stage, the tension of the wrapping film can be temporarily increased to ensure that the film material can fit closely on the article, and in the loosening stage, the tension can be gradually released to prevent the film material from being broken or deformed due to excessive stretching. (3) The present invention utilizes the push rod and the partition to cooperate with each other, and the gap-splitting and material-leveling mechanism can ensure that the substrate maintains a certain tension and stability during the packaging process, avoiding loosening or damage to the packaging due to uneven thickness; the gap-splitting and material-leveling mechanism can make the substrate pass through the packaging machine more smoothly, reducing jams or failures caused by uneven thickness. This can significantly improve packaging efficiency and speed up the production process; through the adjustment of the gap-splitting and material-leveling mechanism, it can ensure that the substrate is fully utilized during the packaging process, avoiding material waste due to uneven thickness. This helps to reduce packaging costs and improve economic benefits; the gap-splitting and material-leveling mechanism can reduce the load of the packaging machine during the packaging process and extend the mechanical life. At the same time, it can also reduce mechanical failures and maintenance costs caused by uneven substrate thickness; BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the main stereoscopic structure of the present invention; Figure 2 It is a partial three-dimensional structural schematic diagram of the film-tightening gap-filling mechanism of the present invention; Figure 3 It is a partial three-dimensional structural schematic diagram of the position relationship between the left crank and the ratchet plate of the present invention; Figure 4 It is a partial three-dimensional structural schematic diagram of the position relationship between the rotating rod and the right long rod of the present invention; Figure 5It is a partial three-dimensional structural schematic diagram of the position relationship between the right crank and the ratchet plate of the present invention; Figure 6 It is a partial three-dimensional structural schematic diagram of the position relationship between the lower buckle and the bottom block of the present invention; Figure 7 It is a partial three-dimensional structural schematic diagram of the position relationship between the lower support and the upper support of the present invention; Figure 8 It is a partial three-dimensional structural schematic diagram of the position relationship between the sleeve and the inner shaft of the present invention; Fig. 9 It is a partial three-dimensional structural schematic diagram of the position relationship between the partition and the arc plate of the present invention.

[0018] The numbers in the figure are: 1. winding packaging machine body; 11. turntable; 12. electrical control box; 13. frame; 14. winding arm; 2. film tightening and gap filling mechanism; 21. bracket; 22. upper fixed block; 23. rotating rod; 24. left long rod; 25. left crank; 26. ratchet plate; 27. stretching wheel; 28. right long rod; 29. ​​right crank; 210. torsion spring; 211. barrier rod; 3. double-sided clamping mechanism; 31. bottom rod; 32. bottom block; 33. lower buckle; 34. lower grinding column; 35. upper buckle; 36. upper grinding column; 37. lower pressure plate; 38. inner rotating rod; 4. gap spreading and material leveling mechanism; 41. external plate; 42. inner shaft; 43. sleeve; 44. arc plate; 45. connecting rod; 46. partition; 47. cross slide plate; 48. push rod. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention; Embodiments of the present invention A tension-adjustable wrapping machine, reference Figure 1 As shown, it includes a wrapping machine body 1 of a rectangular frame structure, a turntable 11 for evenly wrapping the goods on the wrapping film by rotating is rotatably connected to the top of the wrapping machine body 1, an electrical control box 12 for controlling various functions and parameter settings of the wrapping machine body 1 is fixedly connected to the left end of one side of the wrapping machine body 1, and frames 13 for providing support for the entire wrapping machine body 1 and ensuring that various components are firmly installed and stably operated are fixedly connected to both sides of the upper end of the wrapping machine body 1, and a wrapping arm 14 for controlling the height and winding speed of the wrapping film is fixedly connected to the outer wall of the lower end of the wrapping machine body 1; In view of the above-mentioned tension-adjustable wrapping machine, it can be specifically implemented as follows: The outer side of the winding arm 14 is provided with a film tightening and gap filling mechanism 2, the lower side of the rotating disk 11 is provided with a double-sided clamping mechanism 3, and the upper side of the winding arm 14 is provided with a gap spreading and material leveling mechanism 4; refer to Figure 2 As shown, the film-tightening gap-filling mechanism 2 is used to make the stretch film fit more tightly on the packaged article; refer to Figure 3 As shown, the film-tightening gap-filling mechanism 2 includes a bracket 21 fixedly connected to the outer wall of one side of the frame 13, the upper end outer wall of the bracket 21 away from the frame 13 is fixedly connected to an upper fixing block 22, the outer wall of one end of the upper fixing block 22 away from the bracket 21 is rotatably connected to a rotating rod 23, the outer wall of the rotating rod 23 away from the electrical control box 12 is rotatably connected to a left long rod 24, the outer wall of the left long rod 24 away from the bracket 21 is rotatably connected to a left crank 25, and the outer wall of the side of the bracket 21 away from the left long rod 24 is slidably connected at the axis. There is a ratchet plate 26, and a stretching wheel 27 is fixedly connected to the outer wall of the ratchet plate 26 on one side away from the bracket 21. Two stretching wheels 27 are symmetrically arranged with the central axis of the ratchet plate 26. One end of the rotating rod 23 away from the left long rod 24 is rotatably connected to the right long rod 28. The right long rod 28 is rotatably connected to the outer wall of the lower end of the side away from the rotating rod 23. A torsion spring 210 is fixedly connected to the outer wall of the bottom end of the right crank 29 close to the right long rod 28. An obstacle rod 211 is fixedly connected to the outer wall of the right long rod 28 away from the right crank 29. refer to Figure 4 As shown, a reduction motor is fixedly connected to the outer wall of the rotating rod 23 on one side away from the upper fixed block 22, a first slot is provided on the outer wall of the bracket 21 on one side away from the upper fixed block 22, the left long rod 24 is slidably connected to the first slot provided on the outer wall of the bracket 21 on one side away from the upper fixed block 22, the inner walls of the two stretching wheels 27 are smooth curved, a second slot is provided on the outer wall of the bracket 21 on one side away from the left long rod 24, and the right long rod 28 is slidably connected to the second slot provided on the outer wall of the bracket 21 on one side away from the left long rod 24; refer to Figure 5 As shown, the right crank 29 and the left crank 25 are staggered and respectively abut against the inclined surface of the outer wall of the ratchet plate 26, two torsion springs 210 are symmetrically arranged on the central axis of the fixing block 22, one of which is fixedly connected to the outer wall of the bottom end of the left crank 25 close to the left long rod 24, and two barrier rods 211 are symmetrically arranged on the central axis of the fixing block 22, one of which is fixedly connected to the outer wall of the top end of the left long rod 24 away from the left crank 25; Summary 1: Compared with the prior art, in which articles are damaged due to shaking or collision during transportation or storage, the present invention utilizes the cooperation between the stretching wheel 27 and the ratchet plate 26, and the tight film gap filling mechanism 2 can make the wrapping film fit more tightly on the packaged article, reduce the gap between the film and the article, and thus improve the tightness and stability of the packaging; by squeezing the wrapping film inward, the bonding process between the film and the article can be accelerated, and the time required for packaging can be reduced. At the same time, tight packaging also helps to reduce the waste of packaging materials and reduce packaging costs; the tight film gap filling mechanism 2 squeezed inward can also enhance the protective effect of the wrapping film on the article. Tight packaging can better prevent dust, moisture and other contaminants from invading the article, and maintain the cleanliness and integrity of the article. In addition, tight packaging can also provide a better buffering effect and reduce the risk of damage to the article when it is impacted by external forces.

[0020] refer to Figure 6 As shown, the double-sided clamping mechanism 3 is used to wrap the surface of the article in sections and increase the friction between the article and the wrapping film; refer to Figure 6 As shown, the double-sided clamping mechanism 3 includes a bottom rod 31 fixedly connected to the outer wall of the bottom end of the bracket 21, the outer wall of the end of the bottom rod 31 away from the bracket 21 is fixedly connected to the bottom block 32, the outer wall of the side of the bottom block 32 away from the bottom rod 31 is rotatably connected to the lower buckle 33, the outer wall of the side of the lower buckle 33 away from the bottom block 32 is penetrated and fixedly connected to the lower pillar 34, the inner wall of the side of the lower buckle 33 close to the bottom block 32 is rotatably connected to the upper buckle 35, the outer wall of the side of the upper buckle 35 away from the lower pillar 34 is penetrated and fixedly connected to the upper pillar 36, the outer wall of the side of the upper buckle 35 away from the bottom block 32 is fixedly connected to the lower pressure plate 37, and the inner wall of the lower pressure plate 37 is rotatably connected to the inner rotating rod 38; refer to Figure 6 As shown, the upper and lower posts 36 and 34 are centrally distributed, and both the upper and lower posts 36 and 34 are on the same vertical plane as the stretching wheel 27, and the upper and lower posts 36 and 34 are made of rubber; refer to Figure 7 As shown, the initial position of the lower pressing plate 37 is in conflict with the bottom end of the barrier rod 211 and is located in the gap between adjacent barrier rods 211, and the outer wall of one end of the inner rotating rod 38 away from the lower pressing plate 37 is rotatably connected to the inner wall of the top end of one side of the bottom block 32; Summary 2: Compared with the prior art, which is displaced or tilted due to external force or its own weight during the winding process, the present invention uses the upper support 36 and the lower support 34 to cooperate with each other. In the early stage of winding, the double-sided clamping mechanism 3 can firmly clamp the article, which helps to ensure that the wrapping film can be evenly attached to the surface of the article and improve the compactness and stability of the packaging; through the continuous loosening and re-clamping of the double-sided clamping mechanism 3, the segmented winding of the surface of the article can be achieved, so that the wrapping film can be more closely attached to the article. The segmented winding method helps to reduce the waste of film materials and improve the efficiency and aesthetics of packaging; in the clamping stage, the tension of the wrapping film can be temporarily increased to ensure that the film material can be closely attached to the article, and in the loosening stage, the tension can be gradually released to prevent the film material from being broken or deformed due to excessive stretching; refer to Figure 8 As shown, the gap spreading and material leveling mechanism 4 is used to open the gap to ensure that there is an appropriate space between the film materials; refer to Figure 8 As shown, the gap-spreading and material-leveling mechanism 4 includes an external plate 41 fixedly connected to the outer wall of one side of the bracket 21, an inner shaft 42 is fixedly connected to the outer wall of the end of the external plate 41 away from the bracket 21, a sleeve 43 is slidably connected to the outer wall of the end of the inner shaft 42 away from the external plate 41, a plurality of arc-shaped plates 44 are fixedly connected to the outer wall of the sleeve 43 away from the inner shaft 42, a plurality of arc-shaped plates 44 are rotatably connected to the outer walls of the side of the sleeve 43 away from the sleeve 43, a plurality of arc-shaped plates 44 are rotatably connected to the outer walls of the side of the sleeve 43 away from the sleeve 43, a plurality of connecting rods 45 are fixedly connected to the outer walls of the ends of the connecting rods 45 away from the arc-shaped plates 44, a cross slide 47 is sleeved on the outer wall of the inner shaft 42, and a push rod 48 is fixedly connected to the outer wall of the sleeve 43; refer to Figure 8 As shown, the positions of the multiple arc-shaped plates 44 are distributed in a ring shape, the side of the cross slide plate 47 close to the external plate 41 is fixedly connected to the upper surface of the external plate 41, and the end of the push rod 48 away from the sleeve 43 is fixedly connected to the outer wall of one side of the left long rod 24; refer to Fig. 9 As shown, a slide groove is provided inside the cross slide 47, and one end of the plurality of partitions 46 away from the connecting rod 45 is slidably connected to the slide groove provided inside the cross slide 47; Summary 3: Compared with the existing technology with too large a difference in thickness, the present invention utilizes the push rod 48 and the partition plate 46 to cooperate with each other, and the gap-splitting and leveling mechanism 4 can ensure that the substrate maintains a certain tension and stability during the packaging process, avoiding loosening or damage to the packaging due to uneven thickness; the gap-splitting and leveling mechanism 4 can make the substrate pass through the packaging machine more smoothly, reducing jams or failures caused by uneven thickness. This can significantly improve packaging efficiency and speed up the production process; through the adjustment of the gap-splitting and leveling mechanism 4, it can ensure that the substrate is fully utilized during the packaging process, avoiding material waste caused by uneven thickness. This helps to reduce packaging costs and improve economic benefits; the gap-splitting and leveling mechanism 4 can reduce the load of the packaging machine during the packaging process and extend the life of the machine. At the same time, it can also reduce mechanical failures and maintenance costs caused by uneven thickness of the substrate.

[0021] The complete working principle and steps of the above embodiment are as follows: Initial Limitation: 1. Equipment Initialization and Preparation Before starting the wrapping machine body 1, the equipment needs to be initialized. This includes checking whether the power connection of the electrical control box 12 is stable and ensuring that all sensors and switches are in normal working condition. At the same time, check whether the frame 13 is stable and whether the moving parts of the turntable 11 and the wrapping arm 14 are well lubricated and free of jamming.

[0022] 2. Item placement and positioning When the equipment is ready, the operator places the items to be packaged on the turntable 11. The turntable 11 is usually made of wear-resistant and non-slip materials to ensure that the items will not slide or shift during rotation. The electrical control box 12 monitors the position and weight of the items in real time through built-in sensors, providing accurate data support for the subsequent winding process.

[0023] 3. Preparation and start-up of stretch film After the items are placed, the wrapping arm 14 is pulled out to one side, and the wrapping film is pulled out from the storage device and passes through the guide device into the working area of ​​the wrapping arm 14. The wrapping arm 14 is usually equipped with a precise tension control system to ensure that the wrapping film can maintain a constant tension during the wrapping process. The electrical control box 12 automatically adjusts the movement trajectory and speed of the wrapping arm 14 according to preset parameters, such as the number of wrapping layers, the tension, etc.

[0024] 4. Winding process As the turntable 11 rotates, the wrapping arm 14 begins to wrap along the surface of the object. The movement trajectory of the wrapping arm 14 generally includes horizontal movement, vertical lifting and rotation, etc., to ensure that the wrapping film can evenly cover the surface of the object. The electrical control box 12 will adjust the movement parameters of the wrapping arm 14 in real time according to the size and shape of the object to achieve the best wrapping effect.

[0025] During the winding process, the electrical control box 12 also monitors the consumption of the winding film and automatically replenishes new winding film when necessary. At the same time, in order to prevent the winding film from breaking or slipping during the winding process, the winding arm 14 is usually equipped with an anti-skid device and a tension adjustment mechanism.

[0026] 5. Cutting and fixing When the preset number of wrapping layers or time is reached, the electrical control box 12 controls the wrapping arm 14 to stop wrapping and automatically cuts off the wrapping film. At this time, the wrapping arm 14 fixes the remaining wrapping film on the article to prevent it from loosening or falling off during subsequent transportation or storage. The cutting and fixing methods usually include heat sealing, tape sticking or mechanical buckling.

[0027] 6. Item Output and Next Cycle After wrapping and fixing, the turntable 11 stops rotating and transports the packaged items to the next process or location. At this time, the operator can take down the packaged items and prepare to wrap the next item. At the same time, the electrical control box 12 will record the data of this packaging process, such as the number of wrapping layers, wrapping time, film material consumption, etc., for subsequent analysis and optimization. When using: The film-tightening gap-filling mechanism that makes the stretch film fit more closely to the packaged items has 2 steps: like Figure 3 Of Figure 5As shown, when the turntable 11 rotates and the winding arm 14 begins to wind along the surface of the article, the operator uses the reduction motor fixedly connected to the driving shaft on one side of the starting rotating rod 23 to drive the rotating rod 23 to rotate, and the operator uses the programmable logic controller PLC to realize the forward and reverse alternating control of the reduction motor. In this way, when the rotating rod 23 rotates counterclockwise, it will push the left long rod 24 connected to the left outer wall to slide downward in the first slot opened on the outer wall of the bracket 21 away from the upper fixed block 22, and drive one of the obstacle rods 211 fixedly connected to the outer wall of the left long rod 24 to move synchronously, so that the left crank 25 connected to the outer wall of the left long rod 24 will rotate counterclockwise and disengage from the outer wall of the ratchet plate 26, and at the same time, the torsion spring 210 fixedly connected to the outer wall of one end of the left crank 25 close to the left long rod 24 will be compressed. Similarly, the right long rod 28 will slide upward in the second slot provided on the outer wall of the side of the bracket 21 away from the left long rod 24 as the rotating rod 23 rotates counterclockwise, and drive another obstacle rod 211 fixedly connected to the outer wall of the right long rod 28 to move synchronously, so that the right crank 29 connected to the outer wall of the right long rod 28 will rotate counterclockwise and push the ratchet plate 26 abutting against the outer wall of the right crank 29 to move upward, and another torsion spring 210 fixedly connected to the side of the right long rod 28 of the right crank 29 is compressed, and then the upward movement of the ratchet plate 26 will pull the stretching wheel 27 fixedly connected to the outer wall of the ratchet plate 26 to move upward synchronously. In summary, the left crank 25 and the right crank 29 are deflected and reset under the compression and rebound state of the torsion spring 210, thereby pushing the ratchet plate 26 to move upward alternately, so as to use the stretching wheel 27 to achieve friction pressure on the surface of the winding film; The double-sided clamping mechanism is used to wrap the surface of the object in sections and increase the friction between the object and the wrapping film. 3 steps: like Figure 6 to Figure 7As shown, when the rotating rod 23 rotates counterclockwise and pushes the left long rod 24 rotatably connected to the left outer wall to slide downward in the first slot opened on the outer wall of the bracket 21 away from the upper fixed block 22, and drives one of the obstacle rods 211 fixedly connected to the outer wall of the left long rod 24 to move synchronously, the obstacle rod 211 will press the lower pressure plate 37 downward, and then the downward deflection of the lower pressure plate 37 will pull the upper buckle 35 rotated on the inner wall of one end of the lower pressure plate 37 to deflect backward, and the backward deflection of the upper buckle 35 will synchronously pull the upper post 36 penetrating and fixedly connected to the outer wall of the upper buckle 35 to deflect backward, as shown in FIG. The backward deflection of the upper buckle 35 will also pull the lower buckle 33 connected to the outer wall of one end of the upper buckle 35 to deflect upward, and the upward deflection of the lower buckle 33 will drive the lower pillar 34 that penetrates and is fixed to the outer wall of the lower buckle 33 to deflect synchronously, thereby realizing segmented winding on the surface of the object through the deflection movement of the upper pillar 36 and the lower pillar 34, and the reciprocating movement of the barrier rod 211 to squeeze and reset the lower pressing plate 37 will also cause the upper pillar 36 and the lower pillar 34 to deflect and reset, thereby ensuring that the distribution of the wrapping film on the object is more uniform, thereby improving the protectiveness of the packaging; There are 4 steps to ensure that there is an appropriate space between the membrane materials: like Figures 8 to 9 As shown, when the left long rod 24 slides downward in the first card slot opened on the outer wall of one side of the bracket 21 away from the upper fixed block 22, it will synchronously drive the push rod 48 fixedly connected to the outer wall of one side to slide downward, and then the sleeve 43 fixedly connected to one end of the push rod 48 will synchronously slide downward on the outer wall of the inner shaft 42, and the outer wall of the sleeve 43 is annularly distributed and fixedly connected with the arc plate 44, so the connecting rod 45 fixedly connected to the outer wall of the arc plate 44 will deflect outwards as the arc plate 44 moves downward, and then the partition plate 46 rotatably connected to the outer wall of one end of the connecting rod 45 will be pushed into the slide groove opened inside the cross slide plate 47 as the connecting rod 45 deflects outwards, thereby ensuring that the substrate is fully utilized during the packaging process by sliding the partition plate 46 in the slide groove opened inside the cross slide plate 47; Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tension-adjustable wrapping machine, comprising a wrapping machine body (1) of a rectangular frame structure, the top of the wrapping machine body (1) being rotatably connected to a turntable (11) for evenly wrapping goods on a wrapping film by rotation, a left end of one side of the wrapping machine body (1) being fixedly connected to an electrical control box (12) for controlling various functions and parameter settings of the wrapping machine body (1), both sides of the upper end of the wrapping machine body (1) being fixedly connected to a frame (13) for providing support for the entire wrapping machine body (1) and ensuring that various components are firmly installed and stably operated, and a wrapping arm (14) for controlling the height and wrapping speed of the wrapping film being fixedly connected to the outer wall of the lower end of the wrapping machine body (1), characterized in that: A film tightening and gap filling mechanism (2) is arranged on the outer side of the winding arm (14), a double-sided clamping mechanism (3) is arranged below the rotating disk (11), and a gap spreading and material leveling mechanism (4) is arranged above the winding arm (14); The film-tightening gap-filling mechanism (2) is used to make the stretch film fit more tightly onto the packaged article; The double-sided clamping mechanism (3) is used to wrap the surface of the object in sections and increase the friction between the object and the wrapping film; The gap spreading and material leveling mechanism (4) is used to open the gaps to ensure that there is an appropriate space between the membrane materials.

2. The tension-adjustable wrapping machine according to claim 1, characterized in that: The film-tightening gap-filling mechanism (2) comprises a bracket (21) fixedly connected to an outer wall of one side of a frame (13); an upper fixing block (22) is fixedly connected to an outer wall of an upper end of the bracket (21) away from the frame (13); an outer wall of an end of the upper fixing block (22) away from the bracket (21) is rotatably connected to a rotating rod (23); an outer wall of a side of the rotating rod (23) away from the electrical control box (12) is rotatably connected to a left long rod (24); an outer wall of a lower end of the left long rod (24) away from the bracket (21) is rotatably connected to a left crank (25); and a ratchet is slidably connected to the axis of the outer wall of the side of the bracket (21) away from the left long rod (24). A plate (26), a stretching wheel (27) is fixedly connected to an outer wall of a side of the ratchet plate (26) away from the bracket (21), and two stretching wheels (27) are symmetrically arranged around the central axis of the ratchet plate (26); an end of the rotating rod (23) away from the left long rod (24) is rotatably connected to a right long rod (28); a lower end outer wall of the right long rod (28) away from the rotating rod (23) is rotatably connected to a right crank (29); a bottom end outer wall of the right crank (29) close to the right long rod (28) is fixedly connected to a torsion spring (210); and a barrier rod (211) is fixedly connected to an outer wall of a side of the right long rod (28) away from the right crank (29).

3. The tension-adjustable wrapping machine according to claim 2, characterized in that: A reduction motor is fixedly connected to an outer wall of the rotating rod (23) on a side away from the upper fixed block (22); a first slot is provided on an outer wall of the bracket (21) on a side away from the upper fixed block (22); the left long rod (24) is slidably connected to the first slot provided on the outer wall of the bracket (21) on a side away from the upper fixed block (22); the inner walls of the two stretching wheels (27) are in the shape of smooth curved surfaces; a second slot is provided on an outer wall of the bracket (21) on a side away from the left long rod (24); and the right long rod (28) is slidably connected to the second slot provided on the outer wall of the bracket (21) on a side away from the left long rod (24).

4. The tension-adjustable wrapping machine according to claim 2, characterized in that: The right crank (29) and the left crank (25) are arranged in a staggered manner and respectively abut against the inclined surface of the outer wall of the ratchet plate (26); two torsion springs (210) are symmetrically arranged above the fixing block (22) about the central axis, one of the torsion springs (210) being fixedly connected to the outer wall of the bottom end of the left crank (25) close to the left long rod (24); and two barrier rods (211) are symmetrically arranged above the fixing block (22) about the central axis, one of the barrier rods (211) being fixedly connected to the outer wall of the top end of the left long rod (24) away from the left crank (25).

5. The tension-adjustable wrapping machine according to claim 2, characterized in that: The double-sided clamping mechanism (3) comprises a bottom rod (31) fixedly connected to the outer wall of the bottom end of the bracket (21); the outer wall of one end of the bottom rod (31) away from the bracket (21) is fixedly connected to a bottom block (32); the outer wall of the side of the bottom block (32) away from the bottom rod (31) is rotatably connected to a lower buckle (33); the outer wall of the side of the lower buckle (33) away from the bottom block (32) is penetrated and fixedly connected to a lower pillar (34); the inner wall of the side of the lower buckle (33) close to the bottom block (32) is rotatably connected to an upper buckle (35); the outer wall of the side of the upper buckle (35) away from the lower pillar (34) is penetrated and fixedly connected to an upper pillar (36); the outer wall of the side of the upper buckle (35) away from the bottom block (32) is fixedly connected to a lower pressure plate (37); the inner wall of the lower pressure plate (37) is rotatably connected to an inner rotating rod (38).

6. The tension-adjustable wrapping machine according to claim 5, characterized in that: The upper column (36) and the lower column (34) are centrally located, and both the upper column (36) and the lower column (34) are located on the same vertical plane as the stretching wheel (27). Both the upper column (36) and the lower column (34) are made of rubber.

7. The tension-adjustable wrapping machine according to claim 5, characterized in that: The initial position of the lower pressing plate (37) contacts the bottom end of the barrier rod (211) and is located in the gap between adjacent barrier rods (211). The outer wall of one end of the inner rotating rod (38) away from the lower pressing plate (37) is rotatably connected to the inner wall of the top end of one side of the bottom block (32).

8. The tension-adjustable wrapping machine according to claim 2, characterized in that: The gap-spreading and material-leveling mechanism (4) comprises an external connecting plate (41) fixedly connected to an outer wall of one side of the bracket (21); an inner shaft (42) is fixedly connected to the outer wall of one end of the external connecting plate (41) away from the bracket (21); a sleeve (43) is slidably connected to the outer wall of one end of the inner shaft (42) away from the external connecting plate (41); a plurality of arc-shaped plates (44) are fixedly connected to the outer wall of one side of the sleeve (43) away from the inner shaft (42); a plurality of arc-shaped plates (44) are rotatably connected to the outer walls of one side of the plurality of arc-shaped plates (44) away from the sleeve (43); a partition plate (46) is fixedly connected to the outer walls of one end of the plurality of connecting rods (45) away from the arc-shaped plates (44); a cross slide plate (47) is sleeved on the outer wall of the inner shaft (42); and a push rod (48) is fixedly connected to the outer wall of the sleeve (43).

9. The tension-adjustable wrapping machine according to claim 8, characterized in that: The positions of the plurality of arc-shaped plates (44) are distributed in a ring shape, the side of the cross slide plate (47) close to the external plate (41) is fixedly connected to the upper surface of the external plate (41), and the end of the push rod (48) away from the sleeve (43) is fixedly connected to the outer wall of one side of the left long rod (24).

10. The tension-adjustable wrapping machine according to claim 8, characterized in that: A sliding groove is provided inside the cross slide (47), and ends of the plurality of partitions (46) away from the connecting rod (45) are all slidably connected to the sliding groove provided inside the cross slide (47).

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