Spring-type width adjustment mechanism and bagging assembly and integrated large-width bag-feeding packaging machine

Abstract

The present invention provides a spring-type width adjustment mechanism and a bagging assembly and an integrated large-width bag-feeding packaging machine, which relates to the field of bag-feeding packaging machines and solves the problem that the prior art is not suitable for large-width packaging bags. The spring-type width adjustment mechanism of the bagging assembly of the packaging machine includes a belt transmission structure with an open transmission form, and a belt connecting plate is fixed to the positive and reverse sides of the belt respectively, and the belt connecting plate is fixedly connected with a laterally extending tension spring guide rail; each belt connecting plate is fixedly connected with one end of at least one tension spring; two clamping devices arranged in sequence along the transverse direction are arranged between the two belt connecting plates; the clamping device is movably matched with the tension spring guide rail on an adjacent belt connecting plate so as to be able to move relative to the connected belt connecting plate along the transverse direction; the other end of the tension spring is fixedly connected to a clamping device adjacent to it. Compared with the prior art, the present invention can ensure neat sealing without damaging the packaging bag.

Description

Technical Field

[0001] The invention relates to the field of bag-feeding packaging machines, in particular to a spring-type width-adjusting mechanism and a bag-filling component and an integrated large-width bag-feeding packaging machine. Background Art

[0002] The existing integrated bag-feeding packaging machine breaks down the complete packaging process into several steps. Each step is designed with a special equipment to complete the corresponding process. The packaging bags proceed in sequence in each process and gradually complete the packaging. For example, the Chinese invention patent with application number CN202111642810.3 is a width adjustment mechanism and a bagging assembly and packaging machine with it. The width adjustment mechanism of this patent is fixedly connected to a clamping device on both sides of a synchronous belt, and the clamping work of the packaging bag during bagging is completed by two clamping devices, one on the left and one on the right. During the packaging process, the bag opening and closing work is completed by adjusting the distance between the two clamping devices.

[0003] This type of width adjustment mechanism is generally only suitable for packaging bags with a smaller width, but not for packaging bags with a larger width. The reason is that in the packaging of large width packaging bags, the packaging bags will sag and deform due to the excessive weight of the materials in the packaging bags. In order to make the packaging bags seal neatly and ensure the sealing effect, this type of width adjustment mechanism can only further increase the distance between the two clamping devices to further stretch the bag opening. Since the two clamping devices are fixed on the synchronous belt and the clamping devices have a certain width adjustment accuracy, it is easy to cause the distance between the two clamping devices to be too large and damage the packaging bag. Summary of the invention

[0004] The purpose of the present invention is to design a spring-type width adjustment mechanism, a bag filling assembly and an integrated large-width bag feeding packaging machine to solve the problem of being unsuitable for large-width packaging bags, and to ensure neat sealing without damaging the packaging bags.

[0005] The present invention is achieved through the following technical solutions:

[0006] The present invention provides a spring-type width adjustment mechanism, comprising a width adjustment mechanism mounting plate, a driving pulley, a passive pulley, a belt, a clamping device, a tension spring, and a belt connecting plate; the rotating shafts of the driving pulley and the passive pulley are parallel and rotatably connected to the width adjustment mechanism mounting plate; the belt is transversely arranged and connects the driving pulley and the passive pulley to form a belt transmission structure; when the belt transmission structure performs an action, the driving pulley and the passive pulley have the same rotation direction; the positive side and the reverse side of the belt are respectively fixedly connected to a belt connecting plate, and the belt connecting plate is fixedly connected to a laterally extending tension spring guide rail ; Each of the belt connecting plates is fixedly connected to one end of at least one of the tension springs; two of the clamping devices arranged in sequence along the transverse direction are provided between the two belt connecting plates; the clamping device movably cooperates with the tension spring guide rail on an adjacent belt connecting plate so as to be able to move relative to the connected belt connecting plate along the transverse direction; the other end of the tension spring is fixedly connected to an adjacent clamping device; when the clamping device moves away from the adjacent belt connecting plate along the transverse direction, the tension spring can give a restoring force to the clamping device connected thereto to move laterally toward the adjacent belt connecting plate.

[0007] When the above-mentioned structure is adopted, the tension spring tightens the clamping device and the belt connecting plate together. When the two clamping devices clamp the two sides of the packaging bag and stretch them outward, the belt connecting plate drives the clamping device to move through the tension spring. During this process, the tension spring will gradually stretch, so that the packaging bag stretches when the tension between the belt connecting plate and the clamping device is transmitted to the packaging bag. Due to the action of the tension spring, the stretching force of the clamping device on the packaging bag can be controlled within a certain range, and even if the distance between the two clamping devices exceeds a certain limit, the packaging bag will not be damaged. When the material in the wide-width packaging bag is too heavy and the bag mouth droops, the sealing can be made neat to ensure the sealing effect. Therefore, this kind of spring-type width adjustment mechanism is suitable for the use of wide-width packaging bags.

[0008] In order to better realize the present invention, the following configuration is particularly adopted: the tension spring is in a stretched state.

[0009] When the above-mentioned setting structure is adopted, the tension spring is in a stretched state, so that the belt connecting plate and the clamping device always maintain a pulling force in the opposite direction, which can ensure that the clamping device does not have free movement after the belt connecting plate fixes the belt.

[0010] Further: the clamping device is connected to a first fixing bolt, the connecting plate is connected to a second fixing bolt, and the two ends of the tension spring are respectively fixedly hooked on the corresponding first fixing bolt and the second fixing bolt; the free length of the tension spring is less than the minimum distance between the first fixing bolt and the second fixing bolt.

[0011] To further better realize the present invention, the following setting structure is particularly adopted: the width adjustment mechanism mounting plate is fixedly connected with a transversely arranged width adjustment guide rail, and the clamping device is connected with the width adjustment guide rail to form a transverse moving pair.

[0012] When the above-mentioned setting structure is adopted, the clamping device is guided and connected to the mounting plate of the width adjustment mechanism, so that the movement accuracy and stability of the clamping device can be maintained when the width is adjusted.

[0013] In order to further better realize the present invention, the following setting structure is particularly adopted: it also includes a jacking device and a support plate; the width adjustment mechanism mounting plate is movably connected to the support plate; the jacking device is vertically arranged, one end of which is fixedly connected to the support plate, and the other end of which is fixedly connected to the width adjustment mechanism mounting plate; the jacking device can drive the jacking device to move vertically relative to the support plate.

[0014] The present invention also provides a bagging assembly, comprising a bag opening mechanism, a feeding mechanism, a sealing mechanism and the above-mentioned spring-type width adjustment mechanism; the spring-type width adjustment mechanism is used to clamp the two sides of the bag opening of the packaging bag through the two clamping devices; the lifting device is used to drive the width adjustment mechanism mounting plate to drive the clamping device to move vertically between the clamping station and the sealing station; the bag opening mechanism is connected to the support plate, and is used to open the bag opening of the packaging bag clamped by the spring-type width adjustment mechanism and located at the clamping station; the feeding mechanism is connected to the support plate, and is used to add material to the packaging bag whose bag opening is opened by the bag opening mechanism; the sealing mechanism is connected to the support plate, and is used to close the bag opening of the packaging bag clamped by the clamping device and located at the sealing station.

[0015] In order to further better realize the present invention, the following setting structure is particularly adopted: the feeding mechanism includes a hopper and a hopper lifting device; the hopper lifting device is connected to the hopper to drive the hopper to vertically enter or exit the bag mouth of the packaging bag clamped by the clamping device; the four corners of the hopper in the circumferential direction around its center are movably mounted on the vertically arranged hopper shaft.

[0016] When the above-mentioned structure is adopted, the four corners of the hopper are vertically guided by the installed hopper shaft, which can ensure the stability of the hopper's up and down movement. It can be suitable for adding a large amount of material to wide packaging bags, and it is not easy for the hopper to tilt when moving up and down, causing material overflow.

[0017] In order to further better realize the present invention, the following setting structure is particularly adopted: the feeding mechanism also includes a dust hood with openings at the top and bottom, the hopper is arranged in the dust hood, and the side wall of the dust hood is provided with a negative pressure interface.

[0018] When the above-mentioned setting structure is adopted, the hopper is set in the dust hood, and the side wall of the dust hood is provided with a negative pressure interface, which can be connected to a negative pressure source to absorb the material overflowed during loading, so that this kind of bagging assembly has a certain cleaning ability, and can be used in the scene of adding materials such as washing powder and lime, so that this kind of bagging assembly has a certain corrosion resistance and dust resistance.

[0019] In order to better realize the present invention, the following configuration is particularly adopted: the sealing mechanism comprises two sealing clamps, two sealing clamp telescopic devices, a sealing bottom plate, two sealing brackets, and two sealing sliding shafts; the two sealing sliding shafts are arranged longitudinally and arranged in sequence in the transverse direction, and the sealing sliding shafts are fixedly connected to the sealing bottom plate; the two sealing brackets are arranged in sequence in the longitudinal direction and connected to the sealing clamps one by one; the two ends of the sealing bracket in the transverse direction are respectively movably sleeved on one of the sealing sliding shafts;

[0020] The sealing clamp retracting device is connected to the sealing bracket in a one-to-one correspondence and is used to drive the two sealing clamps to move closer to each other or away from each other along the guiding direction of the sealing sliding axis.

[0021] When the above-mentioned setting structure is adopted, the sealing clamp is connected to the sealing bracket, and the sealing bracket cooperates with the sealing sliding shaft, which can eliminate the influence caused by the long length and heavy weight of the sealing clamp, ensure the straightness of the sealing clamp, ensure the good double-sided sealing fit of the two sealing clamps, ensure uniform sealing force during heat sealing, and ensure the integrity of the sealing surface, so that this bagging component can be better suitable for bagging work of large-width packaging bags.

[0022] In order to further better realize the present invention, the following setting structure is particularly adopted: the sealing mechanism also includes a connecting block; the sealing bracket and the connected sealing clamp have a gap in the longitudinal direction, and the connecting block is arranged in the gap, and the connecting block connects the sealing bracket and the sealing clamp on both sides of the gap.

[0023] When the above-mentioned structure is adopted, the sealing bracket and the sealing clamp are separated by the connecting block, which can prevent high temperature from being transmitted to the sealing sliding shaft and affecting the sliding performance of the sealing bracket and thus affecting the sealing quality of the packaging bag.

[0024] The present invention also provides an integrated large-width bag packaging machine, comprising a bottom plate and a bag feeding assembly, a bag supply assembly and the above-mentioned bag filling assembly connected to the bottom plate; the bag supply assembly comprises a bag placing bottom plate for supporting the packaging bag, a bag taking suction device for sucking the packaging bag from the bag placing bottom plate, a bag taking telescopic device for driving the bag taking suction device to extend or retract, and a turning cylinder for driving the bag taking suction device to turn over to a transfer station; the bag feeding assembly comprises a feeding cylinder for sucking the packaging bag from the bag taking suction device at the transfer station A bag suction device, a bag delivery telescopic device for driving the bag delivery suction device to extend or retract, and a bag delivery transfer device for driving the bag delivery suction device to move between a transfer station and a clamping station; when the bag delivery suction device is located at the clamping station, the bag delivery telescopic device can extend the bag delivery suction device and deliver the packaging bag adsorbed thereon into between the two clamping devices; the bottom plate is connected to an inclined discharge belt conveyor at a position below the feeding mechanism, and a built-in drive motor is embedded in the roller of the discharge belt conveyor.

[0025] When the above-mentioned setting structure is adopted, the discharge belt conveyor is located below the feeding mechanism on the bottom plate and is inclined, which can effectively reduce the effective height of the discharge belt conveyor. The drive motor is built into the roller of the discharge belt conveyor, so that the belt and the drive motor can be arranged in the body of the integrated large-width bag packaging machine without occupying the body space, thereby reducing the volume of the whole machine.

[0026] Further: the bag delivery adsorption device, bag delivery telescopic device and bag delivery transfer device of the bag delivery assembly are respectively configured as a suction cup, a telescopic cylinder and a synchronous belt transmission structure; the bag delivery adsorption device is connected to the piston rod of the bag delivery telescopic device, and the cylinder body of the bag delivery telescopic device is fixedly connected to the synchronous belt of the bag delivery transfer device.

[0027] The present invention has the following advantages and beneficial effects:

[0028] In the present invention, the tension spring tightens the clamping device and the belt connecting plate together. When the two clamping devices clamp the two sides of the packaging bag and stretch them outward, the belt connecting plate drives the clamping device to move through the tension spring. During this process, the tension spring will gradually stretch, so that the packaging bag stretches when the tension between the belt connecting plate and the clamping device is transmitted to the packaging bag. Due to the effect of the tension spring, the tension of the packaging bag by the clamping device can be controlled within a certain range, and even if the distance between the two clamping devices exceeds a certain limit, the packaging bag will not be damaged. When the material in the wide packaging bag is too heavy and the bag mouth droops, the sealing can be neatly done to ensure the sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0030] Figure 1 , 2 They are schematic diagrams of the three-dimensional structure of one side and the other side of the spring-type width adjustment mechanism;

[0031] Figure 3 , 4 The three-dimensional structures of the connection between the two clamping devices and the corresponding connecting plates are shown respectively;

[0032] Figure 5 , 6 The three-dimensional structure of the bagging component is shown in two different perspectives;

[0033] Figure 7 is a schematic side view of a bagging assembly;

[0034] Figure 8 The three-dimensional structure of the sealing mechanism is shown;

[0035] Fig. 9 , 10 The three-dimensional structure of the bag supply assembly from two different perspectives is shown respectively;

[0036] Fig.11 The structure of the bag delivery assembly is shown;

[0037] Fig.12 , 13 The three-dimensional structure of the integrated large-width bag-feeding packaging machine from two different perspectives is shown respectively;

[0038] Fig.14 It is a side view schematic diagram of an integrated large-width bag-feeding packaging machine;

[0039] Fig.15 The three-dimensional structure of the integrated large-width bag-feeding packaging machine with electrical box, frame and outfeed belt conveyor is shown;

[0040] The markings in the figure are:

[0041] 01. Bagging components;

[0042] 1. Spring-type width adjustment mechanism; 10. Width adjustment mechanism mounting plate; 11. Active pulley; 11a. Width adjustment motor; 12. Passive pulley; 13. Belt; 14. Clamping device; 14a. First fixing bolt; 15. Tension spring; 16. Belt connecting plate; 16a. Tension spring guide rail; 16b. Second fixing bolt; 17. Width adjustment guide rail; 18. Lifting device; 19. Support plate; 19a. Upper and lower guide rails;

[0043] 2. Bag opening mechanism; 21. Bag opening suction cup; 22. Bag opening telescopic device;

[0044] 3. Feeding mechanism; 31. Hopper; 32. Hopper lifting device; 33. Hopper shaft; 34. Dust hood; 34a. Negative pressure interface;

[0045] 4. Sealing mechanism; 41. Sealing clamp; 42. Sealing clamp telescopic device; 43. Sealing bottom plate; 44. Sealing bracket; 45. Connecting block; 46. Sealing sliding shaft;

[0046] 02. Bag delivery assembly; 021. Bag delivery adsorption device; 022. Bag delivery telescopic device; 023. Bag delivery transfer device; 024. Transfer guide rail; 025. Support plate;

[0047] 03, bag supply assembly; 030, flip cylinder; 031, bag placing bottom plate; 032, length limit plate; 033, width limit plate; 034, center ruler; 035, support; 036, rotating shaft; 037, swing arm; 038, bag taking telescopic device; 039, bag taking adsorption device;

[0048] 04. Bottom plate;

[0049] 05. Rack;

[0050] 06. Electric box;

[0051] 07. Discharging belt conveyor. DETAILED DESCRIPTION

[0052] To make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0053] In the description of the present invention, it should be noted that, unless otherwise specified, "multiple" means two or more than two; the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0054] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0055] Embodiment 1:

[0056] A spring-type width adjustment mechanism can ensure neat sealing without damaging the packaging bag. Figure 1-Figure 15 As shown, it is particularly configured as follows:

[0057] The spring-type width adjustment mechanism comprises a width adjustment mechanism mounting plate 10 , a driving pulley 11 , a driven pulley 12 , a belt 13 , a clamping device 14 , a tension spring 15 , and a belt connecting plate 16 .

[0058] like Figure 1-4 shown.

[0059] The driving pulley 11 and the passive pulley 12 are arranged in sequence in the transverse direction, and their rotating axes are parallel and arranged vertically. The driving pulley 11 and the passive pulley 12 are rotatably fixedly connected to the front side of the width adjustment mechanism mounting plate 10 extending laterally. The driving pulley 11 is connected to a driving device, which is a width adjustment motor 11a whose main shaft is inserted into the axial hole of the driving pulley 11. The belt surface of the belt 13 is arranged vertically, and the belt 13 is arranged horizontally as a whole and connected to the driving pulley 11 and the passive pulley 12 to form a belt transmission structure in the form of an open transmission arranged horizontally and horizontally. When the belt transmission structure performs an action, the driving pulley 11 and the passive pulley 12 have the same rotation direction. The positive side and the reverse side of the belt 13 are respectively fixedly connected with a belt connecting plate 16, and the belt connecting plate 16 is clamped on the belt 13 by two clamping plates located on the front and back sides of the belt 13 to keep it stationary. The belt 13 may be a synchronous belt, and the driving pulley 11 and the driven pulley 12 are synchronous pulleys, and the belt transmission structure of the belt 13 and the driving pulley 11 and the driven pulley 12 is a synchronous belt transmission structure.

[0060] The belt connecting plate 16 is fixedly connected with two laterally extending tension spring rails 16a, which are arranged in sequence in the vertical direction. At the same time, each belt connecting plate 16 is fixedly connected with two second fixing bolts 16b arranged in sequence in the vertical direction, and the second fixing bolts 16b are located between the upper and lower tension spring rails 16a.

[0061] Two clamping devices 14 are arranged between the two belt connecting plates 16, and the two clamping devices 14 are arranged in sequence in the horizontal direction. The clamping device 14 can adopt the existing conventional structure, which generally includes two clamping claws connected by a rotating cylinder arranged up and down, and the two rotating cylinders are fixed on the clamping claw arm, and the rear end of the clamping claw arm is connected to the clamping claw bottom plate. The clamping claw bottom plate of the clamping device 14 is movably matched with the tension spring guide rail 16a on the adjacent belt connecting plate 16 through two linear bearings connected to its front side, and the clamping device 14 can move relative to the connected belt connecting plate 16 in the horizontal direction under the guidance of the tension spring guide rail 16a. The front side of the clamping claw bottom plate of the clamping device 14 is fixedly connected with two first fixing bolts 14a arranged in sequence in the vertical direction, and the two first fixing bolts 14a are located between the upper and lower tension spring guide rails 16a.

[0062] Each belt connecting plate 16 is provided with two laterally extending tension springs 15, which are arranged in sequence in the vertical direction. One end of the tension spring 15 is hooked and fixed on the second fixing bolt 16b at the corresponding height on the corresponding belt connecting plate 16, and the other end of the tension spring 15 is hooked and fixed on the first fixing bolt 14a at the corresponding height on the adjacent clamping device 14.

[0063] When the clamping device 14 moves away from the adjacent belt connecting plate 16 in the lateral direction, the tension spring 15 can give a restoring force to the clamping device 14 connected thereto to move toward the adjacent belt connecting plate 16 in the lateral direction.

[0064] In this embodiment, the tension spring 15 tightens the clamping device 14 and the belt connecting plate 16 together. When the two clamping devices 14 clamp the two sides of the packaging bag and stretch them outward, the belt connecting plate 16 drives the clamping device 14 to move through the tension spring 15. During this process, the tension spring 15 will gradually extend, so that the packaging bag stretches when the tension between the belt connecting plate 16 and the clamping device 14 is transmitted to the packaging bag. Due to the action of the tension spring 15, the tension of the packaging bag by the clamping device 14 can be controlled within a certain range, and even if the distance between the two clamping devices 14 exceeds a certain limit, the packaging bag will not be damaged. When the material in the wide packaging bag is too heavy and the bag mouth sags, the sealing can be neatly done to ensure the sealing effect.

[0065] Preferably, in order to maintain the movement accuracy and stability of the clamping device 14, two transversely arranged width adjustment guide rails 17 are fixedly connected to the front of the width adjustment mechanism mounting plate 10, and the two width adjustment guide rails 17 are arranged in sequence in the vertical direction. The clamping device 14 is connected to the width adjustment guide rails 17 through two linear bearings fixedly connected to the back of the clamping jaw top plate to form a transverse moving pair.

[0066] Embodiment 2:

[0067] This embodiment is further optimized on the basis of the above embodiment, and further adopts the following configuration structure in order to better realize the present invention:

[0068] In this embodiment, in the belt connecting plate 16 and the clamping device 14 connected in the spring-type width adjustment mechanism, the lateral spacing between the first fixing bolt 14a and the second fixing bolt 16b is greater than the natural length of the tension spring 15, so that the tension spring 15 is always in a stretched state.

[0069] In this embodiment, the tension spring 15 is always in a stretched state, so that the belt connecting plate 16 and the clamping device 14 always maintain a pulling force in the opposite direction, which can ensure that the clamping device 14 does not have free movement after the belt connecting plate 16 fixes the belt 13.

[0070] Embodiment 3:

[0071] This embodiment is further optimized on the basis of any of the above embodiments. To better implement the present invention, the following configuration structure is particularly adopted:

[0072] In this embodiment, the spring-type width adjustment mechanism further includes a lifting device 18 and a support plate 19 .

[0073] Two linear bearings arranged in sequence in the horizontal direction are fixedly connected to the back of the width adjustment mechanism mounting plate 10. Two vertically arranged upper and lower guide rails 19a arranged in sequence in the horizontal direction are fixedly connected to the front of the support plate 19. The back of the width adjustment mechanism mounting plate 10 is movably connected to the corresponding upper and lower guide rails 19a through linear bearings.

[0074] The lifting device 18 is a vertically arranged cylinder, the bottom end of which is fixedly connected to the back of the width adjustment mechanism mounting plate 10, and the top end of which is fixedly connected to the front of the support plate 19. The lifting device 18 can drive the lifting device 18 to move vertically relative to the support plate 19 to meet the needs of equipment with the ability to transfer workstations.

[0075] Embodiment 4:

[0076] This embodiment further provides a bagging assembly based on the above embodiment, and particularly adopts the following configuration structure:

[0077] The bagging assembly 01 includes a bag opening mechanism 2, a feeding mechanism 3, a sealing mechanism 4 and the spring-type width adjustment mechanism 1 in the above-mentioned embodiment 3.

[0078] like Figure 5-8 shown.

[0079] The spring-type width adjustment mechanism 1 is arranged as a whole below the sealing mechanism 4, the sealing mechanism 4 is arranged as a whole below the feeding mechanism 3, and the bag opening mechanism 2 is arranged as a whole below the sealing mechanism 4 and slightly higher than the spring-type width adjustment mechanism 1. The bag opening mechanism 2 is at the clamping station, and the sealing mechanism 4 is at the sealing station.

[0080] The spring-type width adjustment mechanism 1 is used to clamp the two sides of the bag opening of the packaging bag respectively through the cooperation of the upper and lower claws on the two clamping devices 14. The lifting device 18 is used to drive the width adjustment mechanism mounting plate 10 to drive the clamping device 14 to move vertically between the clamping station and the sealing station. The bag opening mechanism 2 is used to open the bag opening of the packaging bag clamped by the spring-type width adjustment mechanism 1 and located at the clamping station. The feeding mechanism 3 is used to feed the packaging bag whose bag opening is opened by the bag opening mechanism 2. The sealing mechanism 4 is connected to the support plate 19, and is used to close the bag opening of the packaging bag clamped by the clamping device 14 and located at the sealing station.

[0081] Specifically, the sealing mechanism 4 includes two sealing clamps 41 extending transversely, two sealing clamp telescopic devices 42 arranged longitudinally, a sealing bottom plate 43 arranged horizontally, two sealing brackets 44 extending transversely and two sealing sliding shafts 46 extending longitudinally. The two sealing sliding shafts 46 are arranged longitudinally and arranged in sequence in the transverse direction, and the sealing sliding shafts 46 are fixedly connected to the sealing bottom plate 43. The sealing clamp 41 has a heating rod inside to keep the surface of the sealing clamp at the temperature required for sealing. The two sealing brackets 44 are arranged in sequence in the longitudinal direction and are fixedly connected to the sealing clamps 41 in a one-to-one correspondence. The two ends of the sealing bracket 44 in the transverse direction are respectively movably sleeved on the corresponding sealing sliding shafts 46 through linear bearings. The sealing clamp telescopic device 42 can be set as a cylinder, which is connected to the sealing bracket 44 in a one-to-one correspondence to drive the two sealing clamps 41 to approach, abut or move away from each other along the guiding direction of the sealing sliding shaft 46. One side of the horizontally arranged sealing bottom plate 43 is fixedly connected to the top edge of the support plate 19 , and the bottom of the other side of the sealing bottom plate 43 is fixedly connected to a vertically extending support rod.

[0082] The bag opening mechanism 2 includes two suction cup mounting plates, a bag opening suction cup 21 and two bag opening telescopic devices 22. The bag opening telescopic devices 22 are configured as telescopic cylinders, and the two bag opening telescopic devices 22 are arranged in sequence in the longitudinal direction. The bag opening telescopic devices 22 are fixed to the bottom of the sealing bottom plate 43. A suction cup mounting plate is fixedly connected to one end of the bag opening telescopic device 22, and two bag opening suction cups 21 arranged in a transverse direction are connected to the suction cup mounting plate. The bag opening suction cups 21 are basically at the same setting height as the clamping point of the clamping device 14. The bag opening telescopic device 22 can make the bag opening suction cups 21 in the longitudinal direction approach or move away in the longitudinal direction.

[0083] The feeding mechanism 3 includes a hopper 31 and a hopper lifting device 32. The hopper lifting device 32 is configured as a telescopic cylinder, the bottom end of which is fixedly connected to the top surface of the sealing bottom plate 43. The top hopper 31 of the hopper lifting device 32 is used to drive the hopper 31 to vertically enter or exit the bag mouth of the packaging bag clamped by the clamping device 14.

[0084] Two opposite sides of the hopper 31 are connected to a hopper lifting device 32 respectively. At the same time, four corners of the hopper 31 in the circumferential direction around the center are movably sleeved on a vertically arranged hopper shaft 33 through shaft sleeves.

[0085] In this embodiment, the sealing clamp 41 is connected to the sealing bracket 44, and the sealing bracket 44 cooperates with the sealing sliding shaft 46, which can eliminate the influence of the long length and heavy weight of the sealing clamp 41, ensure the straightness of the sealing clamp 41, ensure the good double-sided sealing of the two sealing clamps 41, ensure the uniform sealing force during heat sealing, and ensure the integrity of the sealing surface, so that this bagging assembly can be better suitable for bagging of large-width packaging bags. The four corners of the hopper 31 are vertically guided by the installed hopper shaft 33, which can ensure the stability of the up and down movement of the hopper 31, and can be used to add a large amount of material to the large-width packaging bag, and it is not easy to tilt when the hopper 31 moves up and down, causing material overflow.

[0086] Embodiment 5:

[0087] This embodiment is further optimized on the basis of the above embodiment, and further adopts the following configuration structure in order to better realize the present invention:

[0088] In this embodiment, the feeding mechanism 3 of the bagging assembly 01 further includes a rectangular dust hood 34. The dust hood 34 has only four side walls around it, and both the top and the bottom have openings. The bottom edge of the dust hood 34 is detachably connected to the top of the sealing bottom plate 43, and the hopper 31 is entirely arranged in the dust hood 34. A circular negative pressure interface 34a is respectively arranged on the opposite side walls of the dust hood 34, and the negative pressure interface 34a is used to connect to a negative pressure source.

[0089] In this embodiment, the hopper 31 is arranged in the dust hood 34, and the side wall of the dust hood 34 is provided with a negative pressure interface 34a, which can be connected to a negative pressure source through the negative pressure interface 34a to absorb the material overflowed during loading, so that this bagging component has a certain cleaning ability and can be used in the scene of adding materials such as washing powder and lime, so that this bagging component has a certain corrosion resistance and dust resistance.

[0090] Embodiment 6:

[0091] This embodiment is further optimized on the basis of any of the above embodiments. To better implement the present invention, the following configuration structure is particularly adopted:

[0092] In this embodiment, the sealing mechanism 4 of the bagging assembly 01 further includes a connecting block 45. The sealing bracket 44 and the connected sealing clip 41 have a gap extending transversely in the longitudinal direction, and a plurality of connecting blocks 45 are arranged in the gap. All the connecting blocks 45 in the gap are arranged in sequence and equidistantly in the transverse direction, and the two ends of the connecting blocks 45 in the longitudinal direction are fixedly connected to the sealing bracket 44 and the sealing clip 41, respectively.

[0093] In this embodiment, the sealing bracket 44 is separated from the sealing clamp 41 by the connecting block 45, which can prevent high temperature from being transmitted to the sealing sliding shaft 46 and affecting the sliding performance of the sealing bracket 44 and thus affecting the sealing quality of the packaging bag.

[0094] Embodiment 7:

[0095] This embodiment further provides an integrated large-width bag-feeding packaging machine based on the above embodiment, and particularly adopts the following configuration structure:

[0096] The integrated large-width bag-feeding packaging machine comprises a bottom plate 04 and a bag-feeding assembly 02 , a bag-supplying assembly 03 and a bag-filling assembly 01 in any of the above-mentioned embodiments, which are connected to the bottom plate 04 .

[0097] like Figure 9-15 shown.

[0098] The bag supply assembly 03 includes a bag placing bottom plate 031 for supporting the packaging bag, a bag taking suction device 039 for sucking the packaging bag from the bag placing bottom plate 031, a bag taking telescopic device 038 for driving the bag taking suction device 039 to extend or retract, and a flip cylinder 030 for driving the bag taking suction device 039 to flip to the transfer station. Specifically, the bag placing bottom plate 031 is horizontally arranged, and the whole is longitudinally extended. The top surface of the bag placing bottom plate 031 is provided with a plurality of laterally extending center rulers 034, and each center ruler 034 is arranged in sequence and equidistantly along the longitudinal direction, and the center ruler 034 can mark the placement position of the packaging bag. The top surface of the bag placing bottom plate 031 is respectively and adjustably connected with a long stop plate 032 at both ends in the longitudinal direction, and is respectively and adjustably connected with a wide stop plate 033 at both ends in the transverse direction. The two long stop plates 032 can be adjusted to set the spacing in the longitudinal direction, and the two opposite wide stop plates 033 can be adjusted to set the spacing in the transverse direction. The long stop plates 032 and the wide stop plates 033 are matched to match the length and width of the packaging bag, so that the packaging bag can be neatly stacked in the placement groove formed by the long stop plates 032 and the wide stop plates 033 to wait for the bag taking adsorption device 039 to absorb. The top of the bag placing bottom plate 031 is fixedly connected with a vertically arranged support 035, and a horizontally arranged rotating shaft 036 is arranged on the top of the support 035, and the two ends of the rotating shaft 036 are connected to the support 035 through bearings. A swing arm 037 extending vertically downward is fixedly connected to the rotating shaft 036, and a bag-taking adsorption device 039 is connected to the bottom end of the swing arm 037. The top end of a bag-taking telescopic device 038 extending vertically downward is fixedly connected to the swing arm 037, and the bottom end of the bag-taking telescopic device 038 is fixedly connected to the bag-taking adsorption device 039. A vertically extending flip cylinder 030 is arranged on the support 035, and the bottom end of the flip cylinder 030 is fixedly connected to the support 035. The top end of the flip cylinder 030 is fixedly connected to the rotating shaft 036 through a radially extending connecting rod so as to drive the rotating shaft 036 to rotate by telescoping. Among them, the bag-taking telescopic device 038 is arranged as a telescopic cylinder, and the bag-taking adsorption device 039 is arranged as a suction cup installed on the same plate.

[0099] The bag delivery assembly 02 includes a bag delivery suction device 021 for sucking packaging bags from the bag pickup suction device 039 at the transfer station, a bag delivery telescopic device 022 for driving the bag delivery suction device 021 to extend or retract, and a bag delivery transfer device 023 for driving the bag delivery suction device 021 to move between the transfer station and the clamping station. Among them, the bag delivery suction device 021 is a suction cup, the bag delivery telescopic device 022 is a telescopic cylinder arranged longitudinally, and the bag delivery transfer device 023 is a synchronous belt transmission structure in the form of an open transmission arranged transversely. The bag delivery suction device 021 is connected to the piston rod of the bag delivery telescopic device 022. The bag delivery transfer device 023 is fixed to the top surface of the bottom plate 04 through a support plate 025. Two transversely arranged transfer guide rails 024 arranged in sequence in the vertical direction are fixed on the support plate 025. The bottom of the cylinder of the bag feeding telescopic device 022 is connected to the transfer guide rail 024 through a linear bearing, and at the same time, the cylinder of the bag feeding telescopic device 022 is fixedly connected to the synchronous belt of the bag feeding transfer device 023 through a synchronous belt connecting plate. When the bag feeding suction device 021 is located at the clamping station, the bag feeding telescopic device 022 can extend the bag feeding suction device 021 to deliver the packaging bag sucked thereon into between the two clamping devices 14.

[0100] The bottom plate 04 is connected to an inclined discharging belt conveyor 07 at a position below the feeding mechanism 3, and the discharging belt conveyor 07 has a roller at a lower height below the feeding mechanism 3. The roller of the discharging belt conveyor 07 is configured as a roller having a built-in drive motor embedded therein.

[0101] In this embodiment, the discharge belt conveyor 07 is located below the feeding mechanism 3 on the bottom plate 04 and is inclined, which can effectively reduce the effective height of the discharge belt conveyor 07. The drive motor is built into the roller of the discharge belt conveyor 07, so that the belt and the drive motor can be arranged in the body of the integrated large-width bag packaging machine without occupying the body space, thereby reducing the volume of the whole machine.

[0102] The integrated large-width bag-feeding packaging machine of the present invention needs to be used with an electric box 06 during production and use, and the packaging machine and the electric box 06 are simultaneously installed on the frame 05. The electric box 06 is equipped with the necessary power supply system and negative pressure system, each suction cup is connected to the negative pressure system, each telescopic cylinder is connected to the air source, and each motor is connected to the power supply system.

[0103] The functions of the various components of the integrated large-width bag packaging machine are now described from the perspective of the specific production process:

[0104] Before production, the wide packaging bags are placed on the bag placing base plate 031. The bag placing base plate 031 is equipped with a center ruler 034 to mark the placement position of the packaging bags. The distance between the long limit plate 032 and the wide limit plate 033 of the bag supply assembly 03 is adjusted according to the length of the packaging bags, and the wide packaging bags are confined to the groove formed by the long limit plate 032 and the wide limit plate 033 for stacking.

[0105] During production, the integrated large-width bag-feeding packaging machine is started through the electrical box 06.

[0106] The bag picking telescopic device 038 pushes the bag picking adsorption device 039 downward to contact the packaging bag on the surface. After the bag picking adsorption device 039 absorbs the packaging bag through negative pressure, the bag picking telescopic device 038 retracts the bag picking adsorption device 039 to separate the adsorbed packaging bag from the packaging bag below. Afterwards, the flipping cylinder 030 extends and drives the rotating shaft 036 to rotate, so that the bag picking adsorption device 039 flips backward 90° to reach the transfer station. At this time, the packaging bag is arranged vertically and is transported by the light belt bag feeding assembly 02.

[0107] The synchronous belt transmission structure of the bag delivering component 02 operates to move the bag delivering adsorption device 021 to the transfer station and allows the suction cup to face the middle of the packaging bag. The bag delivering telescopic device 022 pushes the bag delivering adsorption device 021 toward the packaging bag to be transported and contacts the packaging bag, connecting the negative pressure system to adsorb the packaging bag. Afterwards, the bag delivering telescopic device 022 retracts the bag delivering adsorption device 021 and pulls the packaging bag away from the bag taking adsorption device 039. The synchronous belt transmission structure of the bag delivering component 02 operates again to move the bag delivering adsorption device 021 to the bag filling component 01 and reach the clamping station.

[0108] The lifting device 18 of the bagging component 01 moves the clamping device 14 to the bag taking height so that it is located at the clamping station. The driving pulley 11 is driven to rotate and drive the two clamping devices 14 to expand to the bag taking width. The clamping claw cylinder of the clamping device 14 opens the clamping claw. At this time, the bag feeding telescopic device 022 of the bag feeding component 02 pushes the bag feeding adsorption device 021 toward the clamping device 14 and pushes the packaging bag to the clamping device 14. The clamping device 14 clamps the edges of the packaging bag on both sides through the clamping claw. The bag opening telescopic device 22 of the bag opening mechanism 2 of the bagging component 01 drives the bag opening suction cup 21 to extend and attach the bag opening suction cup 21 to the packaging bag and connect the negative pressure system to adsorb on the front and back sides of the packaging bag. The bag opening suction cups 21 on the front and back sides of the packaging bag are simultaneously retracted by their respective bag opening telescopic devices 22. Then, the driving pulley 11 is started again to retract the two clamping devices 14 to the filling width and open the bag mouth.

[0109] The hopper 31 of the feeding mechanism 3 of the bag filling component 01 is driven by the hopper lifting device 32 to be lowered to the filling height and located at the clamping station, so that the discharge port at the bottom of the hopper 31 extends into the packaging bag, and the material falls into the packaging bag to complete the material filling. After the material filling is completed, the hopper lifting device 32 drives the hopper 31 to be lifted and the hopper 31 is pulled out of the packaging bag. At this time, the bag opening suction cup 21 is disconnected from the negative pressure system and drives the driving pulley 11 again to expand the two clamping devices 14 to the bag taking width so that the bag mouth of the packaging bag is close to closing. Afterwards, the two clamping devices 14 continue to expand to the stretching width under the action of the driving pulley 11. At the stretching width, the two sides of the packaging bag are stretched and deformed, and the bag mouth is closed. Afterwards, the lifting device 18 moves the clamping device 14 upward to the sealing height and is located at the sealing station, so that the sealing edge of the packaging bag is flush with the sealing clamp 41. An electric heating rod is nested inside the sealing clamp 41 to make the sealing clamp 41 reach the temperature required for sealing in advance. The sealing clamp retracting device 42 pushes the sealing clamp 41 to close, so that the bag opening of the packaging bag is thermally fused to complete the sealing.

[0110] After the sealing is completed, the clamping device 14 releases the packaging bag, the lifting device 18 moves the clamping device 14 to the bag taking height at the clamping station, the sealing clamp telescopic device 42 drives the two sealing clamps 41 to open, and the packaging bag falls onto the discharge belt conveyor 07, and the packaging is completed.

[0111] The above description is only a specific implementation mode of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A spring-type width adjustment mechanism, characterized in that: It comprises a width adjustment mechanism mounting plate (10), a driving pulley (11), a driven pulley (12), a belt (13), a clamping device (14), a tension spring (15), and a belt connecting plate (16); The rotating shafts of the driving pulley (11) and the driven pulley (12) are parallel and rotatably connected to the width adjustment mechanism mounting plate (10); the belt (13) is arranged transversely and connects the driving pulley (11) and the driven pulley (12) to form a belt transmission structure; when the belt transmission structure is in operation, the driving pulley (11) and the driven pulley (12) rotate in the same direction; The forward side and the reverse side of the belt (13) are respectively fixedly connected to a belt connecting plate (16), and the belt connecting plate (16) is fixedly connected to a laterally extending tension spring guide rail (16a); each of the belt connecting plates (16) is fixedly connected to one end of at least one tension spring (15); Two clamping devices (14) are arranged in sequence in the transverse direction between the two belt connecting plates (16); the clamping device (14) is movably matched with the tension spring guide rail (16a) on an adjacent belt connecting plate (16) so as to be relatively movable in the transverse direction with the connected belt connecting plate (16); The other end of the tension spring (15) is fixedly connected to a clamping device (14) adjacent thereto; When the clamping device (14) moves laterally away from the adjacent belt connecting plate (16), the tension spring (15) can give a restoring force to the clamping device (14) connected thereto to move laterally toward the adjacent belt connecting plate (16).

2. A spring-type width adjustment mechanism according to claim 1, characterized in that: The tension spring (15) is in a stretched state.

3. The spring-type width adjustment mechanism according to claim 1, characterized in that: The width adjustment mechanism mounting plate (10) is fixedly connected to a transversely arranged width adjustment guide rail (17), and the clamping device (14) is connected to the width adjustment guide rail (17) to form a transverse moving pair.

4. A spring-type width adjustment mechanism according to any one of claims 1 to 3, characterized in that: It also includes a lifting device (18) and a support plate (19); the width adjustment mechanism mounting plate (10) is movably connected to the support plate (19); the lifting device (18) is vertically arranged, one end of which is fixedly connected to the support plate (19), and the other end of which is fixedly connected to the width adjustment mechanism mounting plate (10); the lifting device (18) can drive the lifting device (18) to move vertically relative to the support plate (19).

5. A bagging assembly, characterized in that: It comprises a bag opening mechanism (2), a feeding mechanism (3), a sealing mechanism (4) and the spring-type width adjustment mechanism (1) as claimed in claim 4; The spring-type width adjustment mechanism (1) is used to clamp the two sides of the bag opening of the packaging bag through the two clamping devices (14); the lifting device (18) is used to drive the width adjustment mechanism mounting plate (10) to drive the clamping device (14) to move vertically between the clamping station and the sealing station; The bag opening mechanism (2) is connected to the support plate (19) and is used to open the bag opening of the packaging bag clamped by the spring width adjustment mechanism (1) and located at the clamping station; The feeding mechanism (3) is connected to the support plate (19) and is used to feed materials into the packaging bag whose bag opening is opened by the bag opening mechanism (2); The sealing mechanism (4) is connected to the support plate (19) and is used to close the mouth of the packaging bag clamped by the clamping device (14) and located at the sealing station.

6. A bagging assembly according to claim 5, characterized in that: The feeding mechanism (3) comprises a hopper (31) and a hopper lifting device (32); the hopper lifting device (32) is connected to the hopper (31) to drive the hopper (31) to vertically enter or exit the bag opening of the packaging bag clamped by the clamping device (14); The four corners of the hopper (31) in the circumferential direction around the center thereof are movably sleeved on a hopper shaft (33) arranged vertically.

7. A bagging assembly according to claim 6, characterized in that: The feeding mechanism (3) further comprises a dust hood (34) with openings at the top and bottom, the hopper (31) is arranged in the dust hood (34), and a negative pressure interface (34a) is arranged on the side wall of the dust hood (34).

8. A bagging assembly according to claim 5, characterized in that: The sealing mechanism (4) comprises two sealing clamps (41), two sealing clamp telescopic devices (42), a sealing bottom plate (43), two sealing brackets (44), and two sealing sliding shafts (46); The two sealing sliding shafts (46) are disposed longitudinally and arranged in sequence in the transverse direction, and the sealing sliding shafts (46) are fixedly connected to the sealing bottom plate (43); The two sealing brackets (44) are arranged in sequence in the longitudinal direction and are connected to the sealing clamps (41) in a one-to-one correspondence; the two ends of the sealing brackets (44) in the transverse direction are movably sleeved on the sealing sliding shaft (46); The sealing clamp retractable device (42) is connected to the sealing bracket (44) in a one-to-one correspondence and is used to drive the two sealing clamps (41) to move toward, toward, or away from each other along the guide direction of the sealing sliding shaft (46).

9. A bagging assembly according to claim 8, characterized in that: The sealing mechanism (4) further comprises a connecting block (45); the sealing bracket (44) and the connected sealing clamp (41) have a gap in the longitudinal direction, the connecting block (45) is arranged in the gap, and the connecting block (45) connects the sealing bracket (44) and the sealing clamp (41) on both sides of the gap.

10. An integrated large-width bag-feeding packaging machine, characterized in that: It comprises a bottom plate (04), a bag delivery assembly (02), a bag supply assembly (03) connected to the bottom plate (04), and a bag filling assembly (01) according to any one of claims 5 to 9; The bag supply assembly (03) comprises a bag placing bottom plate (031) for supporting packaging bags, a bag taking suction device (039) for sucking packaging bags from the bag placing bottom plate (031), a bag taking telescopic device (038) for driving the bag taking suction device (039) to extend or retract, and a turning cylinder (030) for driving the bag taking suction device (039) to turn over to a transfer station; The bag delivery assembly (02) comprises a bag delivery suction device (021) for sucking packaging bags from the bag taking suction device (039) at the transfer station, a bag delivery telescopic device (022) for driving the bag delivery suction device (021) to extend or retract, and a bag delivery transfer device (023) for driving the bag delivery suction device (021) to move between the transfer station and the clamping station; when the bag delivery suction device (021) is located at the clamping station, the bag delivery telescopic device (022) can extend the bag delivery suction device (021) to deliver the packaging bag sucked thereon into between the two clamping devices (14); The bottom plate (04) is connected to an inclined discharging belt conveyor (07) at a position below the feeding mechanism (3), and a built-in driving motor is embedded in the roller of the discharging belt conveyor (07).

Images