Cotton bale tucking corner sleeving device and cotton bale sleeving and packaging system
By designing the cotton bag tucking angle device, the linear drive mechanism is used to achieve automation and synchronization of the cotton bag tucking angle, which solves the problem of difficulty in achieving the cotton bag tucking angle and the dangers of artificial corner tucking angle, and achieves high-quality and safe corner tucking effect.
Patent Information
- Application Number
- CN202411400434.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-06-13
AI Technical Summary
In the cotton processing production line, during the automatic bag packaging process, the tucking angle of the cotton bag is difficult to achieve, and there are problems such as danger and difficulty in ensuring the quality of the artificial corner tucking angle.
A cotton bag cover tucking device is designed, including a left tucking angle assembly and a right tucking angle assembly. Each assembly has a tucking angle actuator and a buffer assembly, and the automation and synchronous operation of the tucking angle is achieved through a linear drive mechanism.
The automation and synchronization of the tucked corners of the cotton bags are realized, ensuring the quality and safety of the tucked corners, reducing the risk and labor intensity of manual operations.
Smart Images
Figure CN120135565A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to a cotton bale wrapping corner tucking device, and the present invention also relates to a wrapping and sealing system equipped with the cotton bale wrapping corner tucking device. Background Art
[0002] After the baling machine on the cotton bale processing production line bales the cotton bales, it is necessary to wrap the cotton bales. There are mainly two types of cotton bags used, one is a cotton cloth bag and the other is a plastic bag. The appearance of the plastic bag is mainly used to realize the automation of cotton bale wrapping. At the same time, in order to realize the automatic wrapping of the cotton cloth bag, at present, some cotton cloth bags are provided with hot-melt films at predetermined positions of the bag mouth to facilitate the picking up of the cotton cloth bag. Generally speaking, in view of the fact that fewer and fewer workers can be put into the cotton processing production line, the automation of the cotton processing production process line is an inevitable trend.
[0003] Different from manual sealing (specifically, manually sewing the bag with a needle and thread), when tucking the belt surface at the bottom of the cotton bale bag by hand, on the cotton processing production line, when using the automatic wrapping and sealing method, manually tucking the corners of the cotton bale will be somewhat dangerous. And if tucking the corners after sealing, due to the lack of support for the bag surface in the corner tucking area, it will collapse, and most of the bag surface is tightly combined with the cotton bale, making it difficult to tuck the corners, and the quality of corner tucking will be affected accordingly. Specifically, it is difficult to tuck the bag corners inside the belt surface. The reason is that generally, the cotton bale bag is tightly combined with the cotton bale, and when wrapping the bag, it is usually necessary to use a bag wrapping device. The cotton bale bag is first put on the bag wrapping device, and when the cotton bale passes through the bag wrapping device, it will enter the cotton bale bag. During this process, due to the entry of the cotton bale into the cotton bale bag and the air in the cotton bale bag not being discharged yet, the cotton bale bag will be inflated, and at this time, the bag surface has not collapsed and is suitable for corner tucking. However, at this time, the cotton bale has not completely entered the cotton bale bag, that is, the bag wrapping equipment is still running normally. If a person tucks the corners manually, there is a possibility of collision with the moving equipment.
[0004] In some cotton mills, in order to achieve on-line corner tucking, it is often necessary to arrange a worker on each side of the bag wrapping device. When the cotton bale passes through the bag wrapping device and enters the cotton bale bag, the worker uses a corner tucking tooling to push the cotton bale bag inward from both sides of the bottom of the cotton bale bag until the cotton bale completely enters the cotton bale bag, and then the worker can remove the corresponding tooling. This manual corner tucking method not only has a large labor intensity and the possibility of injury, but also can only determine the corner tucking position completely by sense, and it is difficult to guarantee the quality of corner tucking. Summary of the Invention
[0005] In view of this, the purpose of the present invention is to provide a cotton bale wrapping corner tucking device whose corner tucking quality is easy to guarantee, and the present invention also provides a wrapping and sealing system equipped with the cotton bale wrapping corner tucking device.
[0006] According to a first aspect of an embodiment of the present invention, a cotton bale wrapping corner tucking device is provided, which is used for tucking the bottom corner of a cotton bale when wrapping the cotton bale. The cotton bale wrapping corner tucking device comprises: The left tuck angle assembly comprises a left frame and a left tuck angle actuating part installed at the top end of the left frame, wherein the left tuck angle actuating part comprises a left tuck angle pushing head and a left linear driving mechanism driving the left tuck angle pushing head; The right tuck assembly is opposite to the left tuck assembly and comprises a right frame and a right tuck actuating part installed on the top of the right frame, wherein the right tuck actuating part comprises a right tuck pushing head and a right linear driving mechanism driving the right tuck pushing head; Among them, the left frame and the right frame are used to determine the position and height of the tuck corner on the packaging system.
[0007] Optionally, the left tuck angle assembly further comprises a left buffer assembly for providing buffering in the cotton bale wrapping direction, so as to cooperate with the wrapping force to realize the tuck angle; The right tuck assembly also includes a right buffer assembly for providing buffering in the cotton bale wrapping direction to achieve the tuck in coordination with the wrapping force.
[0008] Optionally, the left buffer device and all right buffer devices include: The guide pair is used to install the corresponding tuck angle assembly on the corresponding frame; The buffer component or buffer piece is arranged between the corresponding tuck corner assembly and the corresponding frame.
[0009] Optionally, the guide pair includes a sliding linear rail pair.
[0010] Optionally, the buffer component is a spring guide column, and the axis of the spring guide column is parallel to the guiding direction of the sliding linear rail pair.
[0011] Optionally, the buffer distance determined by the guide post of the spring guide post is adjustable.
[0012] Optionally, the buffer distance between the left buffer assembly and the right buffer assembly is 5~20cm.
[0013] Optionally, the left frame and the right frame both include a yielding mechanism to enable the left tuck assembly and the right tuck assembly to disengage from the cotton bale conveying path after tuck is completed.
[0014] Optionally, the giving way mechanism is configured as: Providing a turning shaft, the turning shaft is installed on a predetermined frame through a bearing; A flip driving mechanism is provided to output and drive the flip shaft to flip, so that the left hem angle assembly and the right flip assembly installed on the flip shaft are flipped to change position.
[0015] Optionally, the flip driving mechanism is: The triangular mechanism includes a main linear drive mechanism and a crank arm mounted on a turning shaft. Correspondingly, the output member of the main linear drive mechanism is hinged to the crank arm; A rack and pinion mechanism, where the corresponding pinion has the turning shaft as its gear shaft, the corresponding rack meshes with the pinion, and is driven by the main linear drive mechanism; or A rotary drive mechanism, whose output is connected to the turning shaft.
[0016] Optionally, the turning drive mechanism is located in the middle of the turning shaft; The turning shaft has a bearing block at each end of the turning shaft, and a bearing block at the middle of the turning shaft and on both sides of the turning drive mechanism.
[0017] Optionally, both the left linear drive mechanism and the right linear drive mechanism are cylinders.
[0018] Optionally, both the left armpit angle pusher and the right armpit angle pusher include: A wedge head; A rolling friction part, which is a roller installed at the tail or middle of the wedge head or a ball installed on the joint surface of the wedge head. The joint surface of the wedge head is the surface that joints with the surface of the cotton bale wrapper bag.
[0019] According to the second aspect of the embodiments of the present invention, a bag wrapping and sealing system is provided, which has the cotton bale bag wrapping armpit angle device described in the first aspect of the embodiments of the present invention.
[0020] In the embodiments of the present invention, a cotton bale bag wrapping armpit angle device dedicated to tucking the bottom corners of a cotton bale wrapper bag during cotton bale bag wrapping is provided. With the two armpit angle assemblies of the cotton bale bag wrapping armpit angle device, namely the left and right armpit angle assemblies, the two sides of the tail of the cotton bale wrapper bag are tucked simultaneously. Since the installation position of the cotton bale bag wrapping armpit angle device is determined, and when the left armpit angle assembly and the right armpit angle assembly are tucking the corners, their positions are also determined. At the same time, the synchronization of the two armpit angle assemblies during corner tucking can be fully achieved by the machine. Therefore, the synchronization is easy to ensure, the corner tucking position is easy to ensure, and the symmetry of the left and right corner tucking is also easy to ensure. Thus, the quality of corner tucking is easy to ensure. At the same time, since there is no need for personnel to be on-site during corner tucking, injury accidents are not likely to occur. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the rear structure of the cotton bale bag wrapping armpit angle device in an embodiment.
[0022] Figure 2 It is a schematic diagram of the front structure of the cotton bale bag wrapping armpit angle device in an embodiment.
[0023] Figure 3 It is a schematic diagram of the structure of the left armpit angle assembly in an embodiment Figure 4Schematic diagram of the buffer assembly and part of the frame structure in an embodiment.
[0024] Figure 5 Schematic diagram of the flip arm structure in an embodiment.
[0025] Figure 6 Schematic diagram of the corner tucking push head structure in an embodiment.
[0026] Figure 7 Schematic diagram of the elbow arm structure in an embodiment.
[0027] In the figure: 1. Flip cylinder, 2. Main leg, 3. Main bearing, 4. Left corner tucking assembly, 5. Flip shaft, 6. Elbow arm, 7. Auxiliary bearing, 8. Auxiliary leg, 9. Right corner tucking assembly.
[0028] 41. Roller type corner tucking push head, 42. Corner tucking cylinder, 43. Corner tucking frame body, 44. Sliding guide rail pair, 45. Buffer assembly, 46. Flip arm.
[0029] 61. Hinge shaft hole, 62. Set screw hole, 63. Second keyway, 64. Second rotating shaft hole.
[0030] 411. Mounting plate, 412. Mounting hole, 413. Roller, 414. Roller shaft, 415. Wedge head, 416. Connecting rod.
[0031] 421. Seat plate.
[0032] 431. Slide carriage.
[0033] 451. Backing nut, 452. Locking nut, 453. Rubber pad, 454. Double-headed screw, 455. Return spring.
[0034] 461. First rotating shaft hole, 462. First keyway, 463. Elbow head, 464. Arm body, 465. Assembly hole, 466. Guide hole seat, 467. Guide hole. Detailed implementation manners
[0035] For the sake of convenience in description, the bale itself will be described first below. The bale is the output of the baling machine on the cotton processing production line. The lint is baled by the baling machine into a standard bale, which has the size and weight of a standard bale. The size specification of the standard bale is 140×70×53, unit: cm, and the self-weight is 227±10 kg. It can be seen from this that the lint in the bale is relatively densely pressed. In addition, on the bagging and sealing line, in order to improve stability, generally a surface defined by 140×70 (unit: cm) is used as the bottom surface, and it is supported on the bagging and sealing line, and the 140-cm side is used as the long side. The conveying direction of the bale is adapted to the long side of the bale. Under this condition, the left and right side surfaces of the bale are the bale surfaces defined by 140×53 (unit: cm). At the same time, it can also be known from this that the bale is generally a solid with a cuboid structure.
[0036] The aforementioned length, left and right, etc. are reference systems commonly used on the production line. Specifically, taking the conveying direction as the reference direction, the conveying direction is also called the front-back direction, and the front-back direction is also called the head-tail direction, longitudinal direction or long direction in the mechanical field. The left-right direction is also called the width direction or transverse direction.
[0037] For the bale bag, it has relatively typical bag body characteristics, having a bag mouth and a bag bottom. The bag bottom is also called the bag tail, and the bag mouth is also called the bag head.
[0038] When bagging, generally, the bale bag is put on the bagging device with the bag mouth as the insertion port by manual or machine. The bagging device is roughly a rectangular tube structure or equivalent to a rectangular tube to fit the shape of the bale. When bagging, the pusher device pushes the bale forward in the bagging device along the long direction of the bale. Since the bagging device fits well with the bale, specifically, the cross-section of the inner cavity of the traditional bagging device is roughly a rectangle of 140×70 (unit: cm), and the bale roughly fits with the four inner surfaces of the bagging device to ensure that the bale bag fits with the bale after the bale is put into the bale bag. During the process of pushing the bale, the volume of the empty space in the bale bag will change, that is, as the bale intervenes, the air in the bale bag is compressed, and the part of the bag that is not currently intervened by the bale is shown to be bulged, especially the tail of the bale bag.
[0039] As the bale moves forward, the front end surface of the bale contacts the bottom of the bale bag. As the bale moves forward further, due to the force of the bale moving forward, the bale bag is separated from the bagging device, and the bagging is completed, and then the sealing operation of the bale is carried out. Generally, it is necessary to complete the tucking of the tail of the bale bag before sealing, and generally the tucking is carried out during the bagging process.
[0040] Regarding cotton bale bags, whether they are plastic or cotton cloth bags, they are in a sheet form during storage and transportation. Specifically, their two large bag surfaces (a bag surface of 140×70, unit: cm) are mutually adhered to form a sheet, and the remaining bag surfaces are often folded onto this sheet. In some implementations, left and right bag surfaces (140×53, unit: cm) are also formed, which are more common in plastic bags. However, in more applications, the cotton bale bag is mainly formed by sealing two sheets [(140 + 26.5)×70, unit: cm] at two long sides and one short side. The remaining side corresponds to the bag opening, and the sealed short side is the bag tail. In this way, when a cuboid cotton bale is put into the cotton bale bag, the left and right sides of the bag tail will present relatively obvious approximately triangular-shaped corner wraps. The tucking of the corner is mainly for this triangular-shaped corner wrap, specifically by tucking it between the bottom bag surface of the cotton bale bag and the cotton bale.
[0041] It should be noted again that if the cotton bale is fully and properly set in place, since generally the force of the forward movement of the cotton bale is needed to push the cotton bale bag off the bagging machine after the cotton bale is put into the cotton bale bag, at this time the bottom of the cotton bale and the cotton bale bag are relatively tightly combined. In other words, if the cotton bale is fully and properly set in place, it will be very difficult to tuck the corner. Therefore, it is recommended that the cotton bale bag corner tucking device works to tuck the corner when the middle and rear parts of the cotton bale bag bulge after the cotton bale is put into the cotton bale bag, and the cotton bale bag corner tucking device resets after the cotton bale reaches the final position in the cotton bale bag.
[0042] In addition, the cotton bale bag is usually not fully set on the bagging machine, and usually a length of not less than 20 cm is left. The first function of the bagging machine is to open the mouth of the cotton bale bag to facilitate the insertion of the cotton bale. At the same time, the cotton bale bag and the bagging machine are often relatively tightly combined. Based on the frictional force or an additional pressing device, when only part of the cotton bale bag is set on the bagging machine, it can still have a good combined effect and will not fall off the bagging machine in advance under the condition of meeting the requirement of pushing the cotton bale in. Therefore, the tail end of the remaining part is the installation position of the cotton bale bag corner tucking device.
[0043] In the embodiment of the present invention, the provided cotton bale bag corner tucking device is arranged at the rear side of the bagging machine and on both sides of the running path of the cotton bale, and has a left corner tucking assembly 4 and a right corner tucking assembly 9 based on the running orientation of the cotton bale.
[0044] The left corner tucking assembly 4 and the right corner tucking assembly 9 are arranged on both sides of the end of the bagging platform in a left-right symmetric manner, and the symmetry plane is the left-right symmetric middle plane of the bagging platform.
[0045] Furthermore, the acting directions of the acting parts of the left corner tucking assembly 4 and the right corner tucking assembly 9 that are adapted to tuck the corner are opposite, meeting the action mode of tucking the corner from left and right towards each other.
[0046] Since the left corner assembly 4 and the right corner assembly 9 are arranged in a substantially symmetric manner in terms of the configuration method, and are basically the same in terms of structural configuration except for the different actuation directions, therefore, in the following text, except for the basic composition, the description will mainly focus on the left corner assembly 4, and the right corner assembly 9 will refer to the structure, construction, function, etc. of the left corner assembly 4 for use.
[0047] Regarding the basic composition, first look at the left corner assembly 4. The left corner assembly 4 has a left frame and a left corner actuation part installed at the top of the left frame. The left corner actuation part includes a left corner push head and a left linear drive mechanism for driving the left corner push head.
[0048] The top of the left frame is roughly aligned with the midline in the up and down direction on the side of the tail of the cotton bale wrapper bag.
[0049] It should be noted that although in the preferred embodiment of the present invention, both the left frame and the right frame are assemblies containing movable parts, in some embodiments, both the left frame and the right frame can be fixed frames, especially when the corner push head has a buffer device in the front-rear direction (with the wrapping platform as the reference benchmark). At this time, the movement of clearing the cotton bale conveying path can be completely achieved by, for example, the left corner actuation part.
[0050] As described in the background art section, when manually tucking the corners, the corners can be tucked directly by hand or with the help of corner tucking components. In other words, the corner tucking components belong to the prior art. Under this condition, the basic movement form of the corner push head is a linear movement in the horizontal direction and perpendicular to the side of the cotton bale. It can also be seen from this that before tucking the corners, there must be a predetermined distance between the corner tucking components and the cotton bale wrapper bag, otherwise there will be no starting space for the corner tucking action. In other words, in the initial state, the corner tucking components are disengaged from the cotton bale wrapper bag. Therefore, in the reset state, the cotton bale corner tucking device is disengaged from the wrapped cotton bale. Even if there is no other part for disengaging the cotton bale corner tucking device from the cotton bale conveying path, the normal operation of the cotton bale is not affected only by the action of the left linear drive mechanism for driving, for example, the left corner push head. Therefore, both the left frame and the right frame can be fixed frames.
[0051] The advantage of using a machine instead of manual labor in the embodiments of the present invention is manifested in that after the positions of, for example, the left frame and the right frame on the machine are determined, they are usually stable, while manual labor is more reflected in instability. Although in most cases, people can foresee the operation mode of the machine and the running path of the moving parts, due to physical strength and energy limitations, it is easy to make operation mistakes, which may lead to injury accidents.
[0052] Correspondingly, the right gusset assembly has a right frame and a right gusset actuator mounted at the top of the right frame. The right gusset actuator includes a right gusset push head and a right linear drive mechanism for driving the right gusset push head. As described above, the right gusset assembly and the left gusset assembly are arranged in a generally left-right symmetric manner and are basically the same in structural configuration.
[0053] Among them, the left frame and the right frame are used to determine the position and height of the gusset on the bagging and wrapping system. The so-called position mainly refers to the position of the gusset on the cotton bale conveying path, or the front-back position.
[0054] Hereinafter, for the sake of convenience of description and to avoid misunderstanding, the left gusset assembly and the right gusset assembly are collectively referred to as the gusset assembly, and the left frame and the right frame are collectively referred to as the frame as a whole. Other parts that exist in a left-right symmetric manner are represented by a general term not limited by specific left-right orientation words.
[0055] As described above, when gusseting, the cotton bale has not been fully inserted into the cotton bale bag. At this time, by virtue of the characteristic that the middle and rear parts of the cotton bale bag bulge during the bagging process of the cotton bale, the left gusset assembly and the right gusset assembly press against the middle of the rear part of the cotton bale bag in the up-down direction and press the corners on both sides of the tail of the cotton bale bag into it. Furthermore, as the cotton bale moves forward further, it will hit the left gusset assembly and the right gusset assembly, and then the left gusset push head and the right gusset push head will be clamped between the front end of the cotton bale and the bottom bag surface of the cotton bale bag. At this time, the left gusset assembly and the right gusset assembly can be reset. However, during this process, the cotton bale will continue to move forward a certain distance after hitting the corresponding gusset assembly to ensure that the cotton bale is tightly combined with the bottom of the cotton bale bag.
[0056] Correspondingly, a left buffer assembly is provided to provide buffering in the cotton bale conveying direction, which is also the direction of cotton bale bagging. Thus, when the cotton bale hits the left bagging assembly during the bagging process, the left gusset push head that is hit is stressed, and the left buffer assembly retracts under the impact to achieve buffering.
[0057] At the same time, as described above, during the bagging process, with the intervention of the cotton bale, the air in the cotton bale bag is compressed and escapes through the cloth surface of the cotton cloth bag or through the preset holes on the plastic bag. However, during this process, the middle and rear parts of the cotton bale bag will expand. Under this condition, for example, the left gusset push head of the left gusset assembly presses against the middle of the upper and lower parts of the left side of the rear part of the cotton bale bag from the left and waits for the cotton bale to arrive. Finally, the cotton bale reaches the bottom of the bag. For example, the left gusset push head is also pushed to the bottom of the bag. During this process, gusseting and folding are completed. Thus, the left gusset push head cooperates with the bagging force under the action of the left buffer assembly (determining the folding stroke) to achieve gusseting.
[0058] Based on this, it can also be known that the buffering of the left buffer assembly has a distance, and this distance depends on the distance between the initial position of the gusset and the bottom of the cotton bale bag, generally taking 5 - 20 cm.
[0059] Similarly, for the right armpit corner assembly, there is also a right buffer assembly for providing buffering in the direction of cotton bale wrapping, so as to cooperate with the wrapping force to form the armpit corner.
[0060] In view of the relatively large impact force of the cotton bale, the left buffer device and the right buffer device should preferably have relatively good reliability in the preferred embodiment. There is no high requirement for the stiffness coefficient of the buffer. Even if it meets the corresponding conditions such as the left armpit corner pusher and the right armpit corner pusher can be reset, rather than counteracting the impact force of the cotton bale. In other words, the corresponding left buffer device only needs to meet the reset of the left armpit corner pusher, and its design basis is relatively clear and will not be elaborated here. At this time, the first consideration for the left buffer device and the right buffer device is preferably to have good collimation when facing the impact of the cotton bale during wrapping, which can effectively reduce the possibility of damage to the cotton bale wrapping armpit corner device.
[0061] Correspondingly, first use the guiding auxiliary to install the corresponding armpit corner assembly on the corresponding rack to ensure the collimation and reduce the deflection of the corresponding armpit corner pusher.
[0062] Furthermore, provide a buffer component or buffer piece, which is arranged between the corresponding armpit corner assembly and the corresponding rack. When the corresponding armpit corner assembly is pushed by the advancement of the cotton bale, the armpit corner assembly moves along the guiding auxiliary, and the buffer component or buffer piece is compressed. When the armpit corner pusher is reset and the armpit corner pusher withdraws from the running path of the cotton bale, the armpit corner assembly is reset in the cotton bale conveying direction.
[0063] Figure 3 and Figure 4 In the illustrated structure, a composite guiding is provided, in which the sliding linear guide pair 44 shown in the figure provides the first guiding, and the guide rod guide hole pair formed by the cooperation of the double-headed screw 454 and the guide hole seat 466 constitutes the second guiding. The first guiding and the second guiding can cooperate to provide more reliable guiding.
[0064] Among them, as Figure 4 shown, there are two double-headed screws 454 to make the guiding more reliable.
[0065] Figure 4 In, the double-headed bolt 454 is a specific example. The double-headed screw 454 can also adopt a single-headed bolt, and the bolt head of the single-headed bolt is used as the limit head on the side of the guide hole seat 466 as shown in Figure 5 for example.
[0066] Correspondingly, a guide hole 467 is opened on the guide hole seat 466. In some embodiments, the guide hole 467 can also be inlaid with a lining sleeve, such as a tin bronze sleeve, for wear reduction.
[0067] In addition, the guide hole 467 can also be used as a bottom hole, and another guide sleeve is installed. The guide sleeve installs a linear bearing to form a guide rod guide sleeve pair.
[0068] Among them, as Figure 5 shown, it is a structural schematic of a flipping arm 46. At the upper end of the flipping arm 46 in the figure, there is an assembly hole 465, and a statically set track block of the sliding linear guide pair 44 is installed through the assembly hole 465. The seat plate 421 is installed with the cylinder block of the corner cylinder 32 through bolts or screws. Furthermore, for example, the double-headed screw 454 is fixed on the seat plate 421.
[0069] Figure 3 In it, the corner cylinder 42 and the roller-type corner push head 41 form a corner assembly. Among them, the corner cylinder 42 is fixed on a corner frame body 43, and the corner frame body 43 is fixedly connected to the linear guide rail that determines the sliding linear guide pair 44 shown in the figure. The linear guide rail is guided on the track block with a track groove.
[0070] The body of the flipping arm 46 can also directly construct a track groove.
[0071] Figure 3 In it, the sliding linear guide pair is also a guide pair with two parallelly arranged track members, and the guiding reliability is relatively good.
[0072] In addition, as Figure 3 and Figure 4 In the exemplified structure, one end of the double-headed screw 454 is fitted with a locking nut 452 and a rubber pad 453. Among them, the locking nut 452 is used to adjust the length of the double-headed screw 454 for providing a fixed distance, that is, to adjust the distance between the seat plate 421 and the guide hole seat 466, so as to adjust the buffer distance.
[0073] Among them, the rubber pad 453 is used for buffering when the push head assembly is reset, and is located on the first side of the guide hole seat 466. This first side is opposite to the side where the seat plate 421 is located. Thus, when the corner assembly is reset, the rubber pad 453 is located between the locking nut 452 and the guide hole seat 466 to generate a reset buffer.
[0074] Since, as described above, for example, the spring constant of the reset spring 455 sleeved on the double-headed screw 454 is relatively small, that is, it only needs to satisfy the reset of the corner assembly, the locking nut 452 is prone to loosening. Therefore, in Figure 4 the exemplified structure, a back-tightening nut 451 is also provided to back-tighten after the locking nut 452 is adjusted in place, so as to improve the anti-loosening ability of the locking nut 452.
[0075] Regarding the anti-loosening of the locking nut 452, a first set screw hole can also be opened on the side of the locking nut 452 to lock it with a first set screw (the set screw is commonly known as a grub screw, also known as a machine screw) after the locking nut 452 is adjusted in place.
[0076] In addition, as Figure 4In the structure shown, the seat plate 421 is used for installing the tuck cylinder 42, and the seat plate 421 and Figure 4 The slide 431 shown in FIG. is fixedly connected to each other, and the slide 431 is Figure 3 The slide 431 on the yoke angle frame 43 is connected with the Figure 3 The slide rails of the slide rail pair 44 shown in FIG. 1 are fixedly connected.
[0077] about Figure 4 The buffer assembly composed of the double-headed screw 454 and the like shown in the figure can also be directly replaced by finished parts, such as spring guide pillars.
[0078] In addition, regarding the tuck angle cylinder 42, Figure 3 It can be seen that it is a double-rod cylinder, which has good guiding performance itself and is used to make, for example, the roller-type corner push head run more smoothly.
[0079] In some embodiments, Figure 1 and Figure 2 The illustrated structure, in addition to the functional part for realizing the tuck corner, also includes a buffer part and a part for flipping the two tuck corner assemblies, so as to swing the two tuck corner assemblies to a predetermined position to fully clear the travel path of the cotton bale.
[0080] For the sake of convenience, the mechanism used to swing the tuck angle assembly to a predetermined position to clear the cotton bale's travel path is collectively referred to as a yielding mechanism. The yielding mechanism includes the left frame and the right frame. The two frames can share one yielding mechanism or each can be configured with a yielding mechanism. If each is configured with a yielding mechanism, the two yielding mechanisms are driven synchronously.
[0081] Synchronous drive can be based on the synchronization of the power machine. For example, when two flip cylinders 1 are used to drive separately, the two flip cylinders can use the same compressed air intake pipeline for air supply. Synchronization can also be achieved in the transmission part of the rear stage of the power machine, for example, using the same transmission shaft. Figure 1 The flip shaft 5 is a driving shaft, and both ends of the driving shaft are used to connect the flip arm 46. The flip shaft 5 is a synchronous shaft.
[0082] The use of the same power machine is conducive to simplifying the structure, especially for the package packaging equipment, whose main frame is often a welded frame, and the corresponding space under the workbench is relatively large, and there is a large free space. Therefore, a synchronous axis such as the flip axis 5 is provided, and only one power machine can be used to drive the two flip arms 46.
[0083] Accordingly, the bearing of the tilting shaft 5 is mounted on a predetermined frame. Figure 1 and Figure 2In the exemplary structure, the rotation axis 5 is supported by the main bearing 3 and the auxiliary bearing 7, where the main bearing 3 is installed on the main leg 2, and the auxiliary bearing 7 is installed on the auxiliary leg 8.
[0084] The main leg 2 and the auxiliary leg 8 can be installed on the main frame of the bale wrapping equipment or on the floor of the workshop.
[0085] Since the swing rotation angle range required for the left and right corner assemblies to completely clear the bale travel path is not too large, the rotation axis 5 does not need to achieve a full rotation, only a rotation angle not greater than 180°, and generally greater than or equal to 90°. This type of motion form is called swing rotation in the mechanical field.
[0086] Furthermore, a flipping drive mechanism is provided to output a drive to flip the rotation axis 5, so that the left corner assembly and the right flipping assembly installed on the rotation axis 5 are flipped to achieve position change.
[0087] The position change is the position transformation of the left corner assembly and the right flipping assembly. The first position is the working position, that is, making the rotation axis 46 substantially in a vertical state, so that, for example, the roller-type corner pusher 41 is substantially aligned with the midline of the side of the tail of the bale wrapper. The second position is the storage position, at this time the left corner assembly and the right corner assembly substantially completely clear the bale conveying path. The so-called position change is, for example, the position change of the left corner assembly between the first position and the second position.
[0088] It should be noted that swing rotation drive is a preferred option. In some other embodiments, the position change can be achieved based on lifting, such as Figure 3 the flipping arm 46 in it can be a lifting arm, so as to use a lifting drive mechanism to drive, thereby achieving position change.
[0089] Both the flipping drive mechanism and the lifting drive mechanism belong to common drive mechanisms in the mechanical field. In the embodiments of the present invention, it is a selection of, for example, the flipping drive mechanism in the realization of the position change of the corner assembly, and does not involve, for example, the modification of the flipping drive mechanism itself.
[0090] A most common option is a triangular mechanism. Figure 1 The one shown for driving the swing rotation of the rotation axis 5 is a triangular mechanism. The triangular mechanism is the most common mechanism in the mechanical field for realizing swing rotation. For example, dump trucks use a triangular mechanism to realize the swing rotation of the carriage.
[0091] The triangular mechanism includes a main linear drive mechanism and a crank arm 6 installed on the rotation axis 5. Correspondingly, the output member of the main linear drive mechanism is hinged to the crank arm 6.
[0092] The crank arm 6 is the rocker in the triangular mechanism. In Figure 7In the exemplary structure, one end thereof is used for being hinged to, for example, the push rod of the tipping cylinder 1 mainly, and the seat end of the tipping cylinder 1 is hinged to a predetermined frame body.
[0093] Figure 7 Among them, one end of the toggle arm 6 has a hinge shaft hole 61 for being hinged to the push rod of the tipping cylinder 1, for example, and the other end has a second rotating shaft hole 63, and a second keyway 63 is provided in the second rotating shaft hole 63 for circumferentially connecting with the tipping shaft 5 through a key.
[0094] In some embodiments, the tipping drive mechanism can use a rack and pinion mechanism. The corresponding pinion uses the tipping shaft 5 as the gear shaft, the corresponding rack meshes with the gear, and is driven by the main linear drive mechanism, that is, the rack can be driven by a cylinder, for example.
[0095] As an additional explanation, for example, a cylinder, its typical characteristic is fast response speed, and the working medium used is air. Even if there is an air leakage in the air circuit, no pollution will be generated.
[0096] In addition, for the tipping shaft 5, a rotating drive mechanism can also be directly used to drive, such as a crank rocker mechanism, where the rocker forms the toggle arm 6, and the crank can be driven by a servo motor.
[0097] In addition, in some implementations, the swing can also be directly provided by a power machine, such as a swing motor or a swing cylinder, etc.
[0098] As a form of synchronous drive, the tipping drive mechanism is located in the middle of the tipping shaft 5, and the power for the tipping of the tipping shaft 5 intervenes from the middle of the tipping shaft 5.
[0099] Furthermore, the tipping shaft 5 has a bearing seat at each of the two ends of the tipping shaft 5, such as Figure 1 and Figure 2 the split bearing seat provided on the main leg 2 in Figure 1 and Figure 2 In the exemplary structure, the bearing seat also includes a bearing seat at each of the two sides of the tipping drive mechanism and located in the middle of the tipping shaft 5, such as Figure 1 and 2 the split bearing seat installed at the upper end of the auxiliary leg 8 in
[0100] Regarding the left armpit angle push head and the right armpit angle push head, they have been described above. A known auxiliary manual armpit angle push head can be selected. In the embodiments of the present invention, a push head is also provided, and the push head is described in detail in Figure 6 in Figure 6 in
[0101] The push head has a wedge head 415, which is generally an isosceles triangle structure, with the top angle rounded, and the thickness can gradually increase from the top angle to the bottom edge.
[0101] To reduce the difficulty of the corner pusher withdrawing after corner tucking, a rolling friction part is additionally provided. The rolling friction part is a roller 413 installed at the tail or middle part of the wedge head 415 or a ball installed on the joint surface of the wedge head 415. The joint surface of the wedge head 415 is the surface that joints with the surface of the cotton bale wrapper bag.
Claims
1. A cotton bale wrapping corner tucking device, used for wrapping the bottom corner of the cotton bale when wrapping the cotton bale, characterized in that: The cotton bale corner tucking device comprises: The left tuck angle assembly comprises a left frame and a left tuck angle actuating part installed at the top end of the left frame, wherein the left tuck angle actuating part comprises a left tuck angle pushing head and a left linear driving mechanism driving the left tuck angle pushing head; The right tuck assembly is opposite to the left tuck assembly and comprises a right frame and a right tuck actuating part installed on the top of the right frame, wherein the right tuck actuating part comprises a right tuck pushing head and a right linear driving mechanism driving the right tuck pushing head; Among them, the left frame and the right frame are used to determine the position and height of the tuck corner on the packaging system.
2. The cotton bale corner tucking device according to claim 1 is characterized in that: The left tuck assembly also includes a left buffer assembly for providing buffering in the cotton bale wrapping direction, so as to cooperate with the wrapping force to achieve the tuck; The right tuck assembly also includes a right buffer assembly for providing buffering in the cotton bale wrapping direction to achieve the tuck in coordination with the wrapping force.
3. The cotton bale corner tucking device according to claim 2, characterized in that: The left buffer device and all right buffer devices include: The guide pair is used to install the corresponding tuck angle assembly on the corresponding frame; The buffer component or buffer piece is arranged between the corresponding tuck corner assembly and the corresponding frame.
4. The cotton bale corner tucking device according to claim 3 is characterized in that: The guide pair includes a sliding linear rail pair.
5. The cotton bale corner tucking device according to claim 3, characterized in that: The buffer component is a spring guide column, and the axis of the spring guide column is parallel to the guiding direction of the sliding linear rail pair.
6. The cotton bale corner tucking device according to claim 5, characterized in that: The buffer distance determined by the guide post of the spring guide post is adjustable.
7. The cotton bale corner tucking device according to any one of claims 2 to 6, characterized in that: The buffer distance between the left buffer assembly and the right buffer assembly is 5 to 20 cm.
8. The cotton bale corner tucking device according to any one of claims 1 to 6, characterized in that: The left frame and the right frame both include a yielding mechanism to enable the left tuck assembly and the right tuck assembly to disengage from the cotton bale conveying path after the tuck is completed.
9. The cotton bale corner tucking device according to claim 8, characterized in that: The configuration of the giving way mechanism is: Providing a turning shaft, the turning shaft is installed on a predetermined frame through a bearing; A flip driving mechanism is provided to output and drive the flip shaft to flip, so that the left hem angle assembly and the right flip assembly installed on the flip shaft are flipped to change position.
10. The cotton bale corner tucking device according to claim 9, characterized in that: The flip driving mechanism is: The triangular mechanism comprises a main linear drive mechanism and a crank arm mounted on the flip shaft, and correspondingly, an output member of the main linear drive mechanism is hingedly mounted on the crank arm; A rack and pinion mechanism, wherein the corresponding gear has the flip axis as the gear axis, the corresponding rack meshes with the gear, and is driven by the main linear drive mechanism; or The output of the rotary drive mechanism is connected to the flip shaft.
11. The cotton bale corner tucking device according to claim 9, characterized in that: The flip driving mechanism is located in the middle of the flip axis; The flip shaft has a bearing seat located at each of the two ends of the flip shaft, and a bearing seat located in the middle of the flip shaft and on both sides of the flip driving mechanism.
12. The cotton bale corner tucking device according to claim 1, characterized in that: The left linear drive mechanism and the right linear drive mechanism are both cylinders.
13. The cotton bale corner tucking device according to claim 1, characterized in that: The left elbow pusher and the right elbow pusher both include: wedge-shaped head; The rolling friction part is a roller installed at the tail or middle of the wedge-shaped head or a ball installed on the joint surface of the wedge-shaped head. The joint surface of the wedge-shaped head is the surface that is joined to the bag surface of the cotton bag.
14. A packaging system, characterized in that: A cotton bale corner tucking device is provided according to any one of claims 1 to 13.