Powder wrapping and exhausting device

Abstract

The utility model discloses a powder wrapping and exhausting device, which belongs to the technical field of sealing and exhausting and comprises a frame. The filling mechanism is arranged on the rack; the exhaust mechanism is used for exhausting air in the packaging bag and comprises a fixing support and two exhaust plates, the two exhaust plates are arranged on the fixing support in a liftable mode and rotationally connected with the fixing support, each exhaust plate is provided with a tightening end, and when the two exhaust plates are rotated to enable the two tightening ends to be close to each other, the two tightening ends are tightened to be close to each other. An exhaust gap is formed between the two exhaust plates; the sealing and cutting mechanism is used for sealing the packaging bag; the filling mechanism, the exhaust mechanism and the sealing and cutting mechanism are sequentially arranged from top to bottom. Excess air in a bag can be exhausted, so that the size of the packaging bag is reduced, the packaging bag is prevented from expanding, the risk that the packaging bag is extruded and damaged in the transportation and storage process is reduced, the storage and transportation space is saved, and the transportation cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sealing exhaust technology field especially a kind of powder wrapping exhaust device. BACKGROUND

[0002] With the continuous improvement of mechanical automation level, food industry more and more uses mechanical equipment to replace manual operation.This trend makes the manufacture, processing and packaging process of food more efficient, not only saves labor cost, but also effectively avoids the pollution of food in the operation process of worker.

[0003] In the process of food powder packaging, the three-dimensional packaging bag needs to be opened first, and then the food powder is discharged into the three-dimensional packaging bag.However, after the existing packaging machine seals the product packaging bag, the packaging bag will present the phenomenon of excessive bulging, which leads to the increase of packaging volume, making transportation and storage more difficult, increasing transportation cost and space occupation. UTILITARY MODEL

[0004] The utility model is to solve at least one of the technical problems existing in the prior art, and therefore, the utility model provides a powder wrapping exhaust device, which can avoid excessive bulging of the packaging bag, reduce the packaging volume, and thus reduce the transportation cost and space occupation.

[0005] According to the powder wrapping exhaust device, the filling mechanism fills the powder into the packaging bag, after the filling is completed, the two exhaust plates are rotated towards each other to form an exhaust gap, the two tightening ends abut against the packaging bag to form a tightening state, and then the two exhaust plates are synchronously moved downwards, the packaging bag is extruded by the two exhaust plates to discharge the excess air in the bag, so as to reduce the volume in the packaging bag and avoid the expansion of the packaging bag, so that the packaging is more compact, not only reduces the risk of extrusion or damage of the packaging bag in the transportation and storage process, but also saves the storage and transportation space and reduces the transportation cost.

[0006] According to the powder wrapping exhaust device, the filling mechanism fills the powder into the packaging bag, after the filling is completed, the two exhaust plates are rotated towards each other to form an exhaust gap, the two tightening ends abut against the packaging bag to form a tightening state, and then the two exhaust plates are synchronously moved downwards, the packaging bag is extruded by the two exhaust plates to discharge the excess air in the bag, so as to reduce the volume in the packaging bag and avoid the expansion of the packaging bag, so that the packaging is more compact, not only reduces the risk of extrusion or damage of the packaging bag in the transportation and storage process, but also saves the storage and transportation space and reduces the transportation cost.

[0007] According to some embodiments of the present application, each tightening end is provided with a guide part, the guide part is located at one end of the exhaust plate opposite to the other exhaust plate, a guide channel is formed between the two guide parts, and the guide part is used for guiding the discharged air to flow along a predetermined path.

[0008] According to some embodiments of the present application, the cross-sectional area of the guide channel gradually increases in the direction away from the filling mechanism.

[0009] According to some embodiments of the present application, the filling mechanism comprises: a filling cylinder, the filling cylinder is arranged on the rack, a packaging bag is sleeved on the outer wall of the filling cylinder, and the filling cylinder is used for filling the powder product into the packaging bag; and a guide assembly, the guide assembly is movably arranged on the rack, the guide assembly is connected with the filling cylinder, and the guide assembly is used for guiding the packaging bag to move downward.

[0010] According to some embodiments of the present application, the guide assembly comprises two conveying belts arranged at opposite ends of the filling cylinder, and the conveying belts are vertically arranged and can freely move towards or away from the filling cylinder.

[0011] According to some embodiments of the present application, a damping member is arranged on the conveying belt, the conveying belt abuts against the packaging bag through the damping member, and the damping member is used for increasing the friction coefficient between the conveying belt and the packaging bag.

[0012] According to some embodiments of the present application, the sealing and cutting mechanism comprises a sealing assembly and a cutting assembly movably arranged on the rack, the sealing assembly is used for sealing the packaging bag filled with the powder, and the cutting assembly is used for separating the sealed packaging product.

[0013] According to some embodiments of the present application, the sealing assembly comprises: two pressing plates, a pressing groove is arranged on each of the two pressing plates, and the pressing grooves on the two pressing plates are oppositely arranged and correspond to each other; a heating member, the heating member is connected with the two pressing plates, and the heating member is used for providing the required sealing temperature for the pressing plates; and a pressing member, the pressing member is connected with the two pressing plates, and the pressing member is used for driving the two pressing plates to move close to each other to apply pressure to seal the packaging bag.

[0014] According to some embodiments of the present application, the cutting assembly comprises: a limiting groove, one limiting groove is arranged on each of the two pressing plates, and the two limiting grooves are arranged along the length direction of the pressing plate and correspond to each other and are located on the same plane; and a cutting member, the cutting member is arranged along the length direction of the pressing plate, the cutting member is movably arranged in one of the two limiting grooves, and the cutting member can freely penetrate into the other limiting groove.

[0015] Additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model is further illustrated below in combination with the drawings and embodiments;

[0017] Figure 1 It is structure schematic drawing of the powder wrapping exhaust device of the embodiment of the utility model;

[0018] Figure 2 It is structure schematic drawing of the powder wrapping exhaust device of the embodiment of the utility model; Figure 1 It is structure schematic drawing of the powder wrapping exhaust device of the embodiment of the utility model;

[0019] Figure 3 It is structure schematic drawing of the powder wrapping exhaust device of the embodiment of the utility model; Figure 1 It is structure schematic drawing of the powder wrapping exhaust device of the embodiment of the utility model.

[0020] Reference signs:

[0021] Frame 100;

[0022] Filling mechanism 200, filling cylinder 210, guide assembly 220, conveying belt 221, damping piece 222;

[0023] Exhaust mechanism 300, fixed support 310, exhaust plate 320, tightening end 321, guide part 3211, guide channel 3212, exhaust gap 322;

[0024] Sealing and cutting mechanism 400, sealing assembly 410, pressing plate 411, pressing piece 412, cutting assembly 420, limiting groove 421, cutting piece 422. DETAILED DESCRIPTION

[0025] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0026] In the description of the utility model, it is understood that, in relation to the orientation description, such as the orientation or position relation of the indication of up, down, front, back, left, right, etc. for the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, a particular orientation structure and operation, therefore, it cannot be understood as the limitation of the utility model.

[0027] In the description of the utility model, if several meanings are one or more, the meaning of multiple is two or more, greater than, less than, exceed and the like are understood as not including the number, above, below, within and the like are understood as including the number. If it is described to the first time, the second time is only used for distinguishing the purpose of technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the relationship between the indicated technical features.

[0028] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection should be understood in a broad sense, and the person skilled in the art can determine the specific meaning of the above words in the utility model in combination with the specific content of the technical scheme.

[0029] Reference Figures 1 to 3 The description of the wrapping powder exhaust device according to the utility model embodiment.

[0030] As Figures 1 to 3 Shown, wrapping powder exhaust device includes frame 100;Filling mechanism 200, filling mechanism 200 is set on frame 100;Exhaust mechanism 300, exhaust mechanism 300 is set on frame 100, exhaust mechanism 300 is used to exhaust the air in packaging bag, exhaust mechanism 300 includes fixed support 310 and two exhaust plates 320, fixed support 310 is set on frame 100, two exhaust plates 320 are set on fixed support 310 in a lift, two exhaust plates 320 are rotatably connected with fixed support 310, each exhaust plate 320 has tightening end 321, when rotating two exhaust plates 320 makes two tightening ends 321 mutually close, exhaust gap 322 is formed between two exhaust plates 320;Sealing cutting mechanism 400, sealing cutting mechanism 400 is set on frame 100, sealing cutting mechanism 400 is used to seal packaging bag;Filling mechanism 200, exhaust mechanism 300 and sealing cutting mechanism 400 are coaxially arranged, filling mechanism 200, exhaust mechanism 300 and sealing cutting mechanism 400 are sequentially arranged from top to bottom.

[0031] As Figure 1As shown, the filling mechanism 200, the exhaust mechanism 300 and the sealing and cutting mechanism 400 are sequentially arranged from top to bottom, and the filling mechanism 200, the exhaust mechanism 300 and the sealing and cutting mechanism 400 are coaxially arranged along the vertical direction. The exhaust mechanism 300 includes a fixed support 310 and two exhaust plates 320, the two exhaust plates 320 are rotationally arranged on the fixed support 310 along the front-rear direction, and each exhaust plate 320 can move along the up-down direction on the fixed support 310. Specifically, the lower end of each exhaust plate 320 is provided with a tightening end 321, when the two exhaust plates 320 are rotated to make the corresponding two tightening ends 321 close to each other, the exhaust passage with a cross-sectional area gradually decreasing from top to bottom is formed between the two exhaust plates 320, and the exhaust passage is coaxially arranged with the output end of the filling mechanism 200 and corresponds to each other. Thus, the filling mechanism 200 fills the powder into the packaging bag, after the filling is completed, the two exhaust plates 320 are rotated towards each other to form an exhaust gap 322, the two tightening ends 321 abut against the packaging bag to make the packaging bag form a tightening state, and then the two exhaust plates 320 are synchronously moved downward, the packaging bag expels the excess air in the bag under the extrusion of the two exhaust plates 320, so as to reduce the volume in the packaging bag, avoid the expansion of the packaging bag, make the packaging more compact, not only reduce the risk of the packaging bag being extruded or damaged in the process of transportation and storage, but also save the storage and transportation space, and reduce the transportation cost.

[0032] It should be noted that when the tightening ends 321 of the two exhaust plates 320 form the exhaust passage, the two exhaust plates 320 can be symmetrically arranged in an inclined shape or a horizontal shape.

[0033] In some specific embodiments of the utility model, each tightening end 321 is provided with a guide part 3211, a guide passage 3212 is formed between the two guide parts 3211, and the guide part 3211 is used for guiding the flow of the exhaust air along the predetermined path.

[0034] As Figure 1 and Figure 2As shown, the lower end of each tightening end 321 is provided with a guide part 3211, specifically, the guide part 3211 is a guide plate arranged along the length direction of the edge of the exhaust plate 320. Further, in the specific embodiment, two guide parts 3211 are arranged on each exhaust plate 320, and the two guide parts 3211 are arranged at opposite ends of the exhaust plate 320 respectively. It should be noted that the exhaust plate 320 is rotationally arranged on the fixed support 310, that is, the exhaust plate 320 can rotate 360° on the fixed support 310, therefore, when any one guide part 3211 is close to the guide part 3211 on the other exhaust plate 320 to form a guide channel 3212, the end of the exhaust plate 320 connected with the corresponding guide part 3211 is the tightening end 321 of the exhaust plate 320, that is, only when the two guide parts 3211 form the guide channel 3212, the end of the exhaust plate 320 connected with the two guide parts 3211 respectively is the tightening end 321.

[0035] In some specific embodiments of the present application, the cross-sectional area of the guide channel 3212 gradually increases in the direction away from the filling mechanism 200. Specifically, when the two guide parts 3211 are close to each other to form the guide channel 3212, the cross-sectional area of the guide channel 3212 gradually increases from top to bottom. Further, the guide part 3211 and the corresponding exhaust plate 320 have an included angle α, wherein α is greater than 90°.

[0036] In some specific embodiments of the present application, the filling mechanism 200 comprises: a filling cylinder 210, the filling cylinder 210 is arranged on the rack 100, the packaging bag is sleeved on the outer wall of the filling cylinder 210, and the filling cylinder 210 is used for filling the powder product into the packaging bag; a guide assembly 220, the guide assembly 220 is movably arranged on the rack 100, the guide assembly 220 is connected with the filling cylinder 210, and the guide assembly 220 is used for guiding the packaging bag to move downward.

[0037] In some specific embodiments of the present application, the guide assembly 220 comprises two conveying belts 221 arranged at opposite ends of the filling cylinder 210, and the conveying belts 221 are vertically arranged and can freely move towards or away from the direction of the filling cylinder 210.

[0038] As Figure 1As shown, the filling cylinder 210 is arranged in a vertical direction, the packaging bag is sleeved in the filling cylinder 210, and continuously extends downward along the length direction of the filling cylinder 210 under the action of the two conveying belts 221. Specifically, the conveying belt 221 guides the packaging bag sleeved on the outer wall of the filling cylinder 210 downward, and the packaging bag moves towards the input end of the sealing cutting mechanism 400 through the exhaust gap 322. When the packaging bag reaches the sealing cutting station of the sealing cutting mechanism 400, the sealing cutting mechanism 400 seals the end of the packaging bag, the filling cylinder 210 fills the packaging bag with a set weight of powder, thereby completing the filling of the powder.

[0039] Specifically, each conveying belt 221 can freely move in the left-right direction, so that the operator adjusts the position of the conveying belt 221 according to the thickness and material of the packaging bag, thereby increasing the adaptability of the entire filling mechanism 200 to different packaging bags.

[0040] In some embodiments of the present application, a damping member 222 is arranged on the conveying belt 221, and the conveying belt 221 abuts against the packaging bag through the damping member 222. The damping member 222 is used to increase the friction coefficient between the conveying belt 221 and the packaging bag. Figure 1 As shown, the surface of the conveying belt 221 is covered with a damping member 222. In this embodiment, the damping member 222 is a rubber anti-skid strip. By abutting against the packaging bag through the rubber anti-skid strip, the friction between the packaging bag and the conveying belt 221 is increased, thereby preventing the conveying belt 221 from sliding with the packaging bag during startup or operation.

[0041] In some embodiments of the present application, the sealing cutting mechanism 400 includes a sealing assembly 410 movably arranged on the rack 100 and a cutting assembly 420. The sealing assembly 410 is used to seal the packaging bag filled with powder, and the cutting assembly 420 is used to separate the sealed packaging product.

[0042] In some embodiments of the present application, the sealing assembly 410 includes two pressing plates 411, two pressing grooves are arranged on each pressing plate 411, and the pressing grooves on the two pressing plates 411 are oppositely arranged and correspond to each other. A heating member is connected with the two pressing plates 411, and the heating member is used to provide the required sealing temperature for the pressing plates 411. A pressing member 412 is connected with the two pressing plates 411, and the pressing member 412 is used to drive the two pressing plates 411 to move close to each other to apply pressure to seal the packaging bag.

[0043] As shown, Figure 1 and Figure 3The two pressing plates 411 are arranged along the front-rear direction and are located on the same horizontal plane, and the two pressing plates 411 are provided with tooth-shaped pressing grooves, and the pressing grooves on the two pressing plates 411 are oppositely arranged and correspond to each other. The heating piece is electrically connected with the two pressing plates 411, and the pressing piece 412 is drivingly connected with the two pressing plates 411, so that the heating piece heats the pressing plates 411, when the packaging bag extends to between the two pressing plates 411 through the exhaust gap 322, the pressing piece 412 drives the pressing plates 411 to move towards each other until they are pressed together, the pressing plates 411 heat and seal the packaging bag together, thereby completing the filling of the powder.

[0044] In some specific embodiments of the utility model, the cutting assembly 420 comprises: a limiting groove 421, each pressing plate 411 is provided with a limiting groove 421, and the two limiting grooves 421 are arranged along the length direction of the pressing plate 411 and correspond to each other and are located on the same plane; a cutting piece 422 is arranged along the length direction of the pressing plate 411, and the cutting piece 422 is movably arranged in one of the two limiting grooves 421, and the cutting piece 422 can freely enter the other limiting groove 421.

[0045] As shown in Figure 1 and Figure 3 Each pressing plate 411 is provided with a limiting groove 421, and the two limiting grooves 421 extend along the left-right direction and correspond to each other and are located on the same horizontal plane. In this specific embodiment, the cutting piece 422 is arranged in the limiting groove 421 on the front side, and the cutting piece 422 can move along the front-rear direction, so that when the pressing plates 411 heat and seal the packaging bag together, the cutting piece 422 moves from the limiting groove 421 on the front side to the limiting groove 421 on the rear side, and cuts and separates the completed sealing packaging product from the packaging bag roll, thereby completing the packaging of the powder product.

[0046] In some specific embodiments of the utility model, the conveying belt 221 guides the packaging bag sleeved on the outer wall of the filling cylinder 210 downwards, the packaging bag moves through the exhaust gap 322 towards the input end of the sealing cutting mechanism 400, when the packaging bag reaches the sealing cutting station of the sealing cutting mechanism 400, the sealing cutting mechanism 400 seals the end of the packaging bag, and the filling cylinder 210 fills the packaging bag with the powder of a set weight. After filling is completed, the two exhaust plates 320 rotate towards each other to form the exhaust gap 322, the two tightening ends 321 abut against the packaging bag to make the packaging bag form a tightened state, then the two exhaust plates 320 move downwards synchronously, the packaging bag expels the excess air in the bag under the extrusion of the two exhaust plates 320, and the volume in the packaging bag is reduced. The conveying belt 221 continues to guide the packaging bag downwards until the packaging bag extends between the two pressing plates 411, the pressing member 412 drives the pressing plates 411 to heat and seal the packaging bag together, the cutting member 422 moves from the front limiting groove 421 to the rear limiting groove 421 to cut and separate the sealed packaging product from the packaging bag roll, and the exhaust plate 320 moves upwards and rotates to reset, thereby completing the entire packaging process of the powder product.

[0047] The utility model has been described in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of ordinary skilled persons in the art without departing from the purpose of the utility model.

Claims

1. A powder coating and exhaust device, characterized in that, include: Rack (100); A filling mechanism (200) is mounted on a frame (100); An exhaust mechanism (300) is provided on the frame (100) and is used to exhaust air from the packaging bag. The exhaust mechanism (300) includes a fixed bracket (310) and two exhaust plates (320). The fixed bracket (310) is provided on the frame (100), and the two exhaust plates (320) are rotatably provided on the fixed bracket (310). The two exhaust plates (320) are rotatably connected to the fixed bracket (310). Each exhaust plate (320) has a tightening end (321). When the two exhaust plates (320) are rotated so that the two tightening ends (321) are close to each other, an exhaust gap (322) is formed between the two exhaust plates (320). A sealing and cutting mechanism (400) is provided on the frame (100) and is used to seal packaging bags; The filling mechanism (200), the venting mechanism (300), and the sealing and cutting mechanism (400) are coaxially arranged, and are arranged sequentially from top to bottom.

2. The powder coating and exhaust device according to claim 1, characterized in that, Each of the tightening ends (321) is provided with a guide portion (3211), which is located on the exhaust plate (320) at one end opposite to the other exhaust plate (320). A guide channel (3212) is formed between the two guide portions (3211), which is used to guide the exhaust air to flow along a predetermined path.

3. The powder coating and exhaust device according to claim 2, characterized in that, The cross-sectional area of ​​the guide channel (3212) gradually increases in the direction away from the filling mechanism (200).

4. The powder coating and exhaust device according to claim 1, characterized in that, The filling mechanism (200) includes: A filling cylinder (210) is mounted on a frame (100), and a packaging bag is fitted onto the outer wall of the filling cylinder (210). The filling cylinder (210) is used to fill the packaging bag with powder products. A guide assembly (220) is movably mounted on the frame (100) and connected to the filling cylinder (210). The guide assembly (220) is used to guide the packaging bag to move downward.

5. The powder coating and exhaust device according to claim 4, characterized in that, The guiding assembly (220) includes two conveyor belts (221) disposed at opposite ends of the filling cylinder (210). The conveyor belts (221) are vertically disposed, and each conveyor belt (221) can move freely toward or away from the filling cylinder (210).

6. The powder coating and exhaust device according to claim 5, characterized in that, The conveyor belt (221) is provided with a damping element (222), and the conveyor belt (221) abuts against the packaging bag through the damping element (222). The damping element (222) is used to increase the coefficient of friction between the conveyor belt (221) and the packaging bag.

7. The powder coating and exhaust device according to claim 1, characterized in that, The sealing and cutting mechanism (400) includes a sealing assembly (410) and a cutting assembly (420) movably mounted on a frame (100). The sealing assembly (410) is used to seal the packaging bag containing the filled powder, and the cutting assembly (420) is used to separate the sealed packaging product.

8. The powder coating and exhaust device according to claim 7, characterized in that, The sealing assembly (410) includes: Two pressure plates (411) are provided with pressure grooves on both pressure plates (411), and the pressure grooves on the two pressure plates (411) are arranged opposite to each other and correspond to each other; A heating element, which is connected to the two pressure plates (411), is used to provide the pressure plates (411) with the required sealing temperature; A pressing element (412) is connected to two pressure plates (411) and is used to drive the two pressure plates (411) to move closer to each other to apply pressure to seal the packaging bag.

9. The powder coating and exhaust device according to claim 8, characterized in that, The cutting assembly (420) includes: Limiting groove (421): Each of the pressure plates (411) has a limiting groove (421) at the beginning. Both limiting grooves (421) are arranged along the length direction of the pressure plate (411). The two limiting grooves (421) correspond to each other and are located on the same plane. A cutting element (422) is provided along the length direction of the pressure plate (411). The cutting element (422) is movably provided in one of the two limiting grooves (421), and the cutting element (422) can freely pass into the other limiting groove (421).

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