Bag opening device for powder packaging

Abstract

The utility model discloses a powder package bag opening device, including support, opening mechanism, moving mechanism and opening mechanism, the support includes limit plate, bottom plate, bracing plate and top cover, the both ends of bracing plate are connected with bottom plate and top cover respectively, limit plate is perpendicular to bottom plate, and the top cover is perpendicular to the bottom plate. The bag opening mechanism comprises a movable air cylinder, a fixing plate, an air conveying pipe, a splitter plate, a vacuum suction cup and a leveling plate, the movable air cylinder is installed between the limiting plate and the fixing plate, the end, penetrating through the fixing plate, of the air conveying pipe is connected with the splitter plate, the vacuum suction cup is installed in the leveling plate, and the leveling plate is connected with the splitter plate. The moving mechanism comprises a first sliding table air cylinder, a connecting column and a fixed arm. During powder packaging, the design that a packaging bag opening is conveniently opened is adopted, the packaging bag opening is adsorbed through the negative pressure adsorption principle of the vacuum suction cup, the movable air cylinder is started and drives the fixing plate, the splitter plate, the vacuum suction cup and the leveling plate to move in the same direction, and the effect that the packaging bag opening is conveniently opened is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of packaging bag support devices, and in particular relates to a bag support device for powder packaging. Background Art

[0002] The steps of powder production and packaging are mainly powder weighing, mixing and grinding, sieving and screening, packaging and filling, and finished product acceptance. During the packaging and filling process, the powder packaging bag needs to be opened to facilitate the filling of the powder into the packaging bag;

[0003] During the powder packaging process, the bag mouth of the packaging bag is opened manually, and then the bag-holding rod is driven by a cylinder to hold the opened bag mouth open and stabilize it. The above method for opening the bag mouth of the packaging bag is relatively complicated, time-consuming and labor-intensive. When packaging powder materials, there is a problem that the bag mouth position cannot be opened conveniently to facilitate opening of the packaging bag. For this reason, the present application proposes a bag-holding device for powder packaging. Utility Model Content

[0004] The utility model aims to provide a bag-supporting device for powder packaging, so as to solve the problem of the lack of a convenient design for opening the bag mouth of the packaging bag when packaging powder in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bag-holding device for powder packaging, comprising a bracket, a bag-opening mechanism, a moving mechanism and a bag-holding mechanism, the bracket comprising a limiting plate, a bottom plate, a supporting plate and a top cover, the two ends of the supporting plate are respectively connected to the bottom plate and the top cover, the limiting plate is perpendicular to the bottom plate, the bag-opening mechanism comprises a moving cylinder, a fixed plate, an air pipe, a diverter plate, a vacuum suction cup and a flattening plate, the moving cylinder is installed between the limiting plate and the fixed plate, the end of the air pipe passing through the fixed plate is connected to the diverter plate, The vacuum suction cup is installed inside the flattening plate, and the flattening plate is connected to the diverter plate. The moving mechanism includes a first slide cylinder, a connecting column and a fixed arm. The first slide cylinder is connected to the bottom surface of the top cover, and the two ends of the connecting column are respectively connected to the first slide cylinder and the fixed arm. The bag supporting mechanism includes a lifting cylinder, a second slide cylinder, a support plate and a bag supporting rod. The second slide cylinder is installed inside the fixed arm, the support plate is connected to the second slide cylinder, the lifting cylinder is installed inside the support plate, and the lifting cylinder passes through the bottom end of the support plate and is connected to the bag supporting rod.

[0006] Preferably, a partition plate with a "U"-shaped structure is provided at the center position of the fixed arm, the second slide cylinder is symmetrically distributed on both sides of the partition plate, the support plate is a "U"-shaped structure, and the lifting cylinders are distributed in the gap formed between the support plate and the fixed arm.

[0007] Preferably, the bag-supporting rod is provided with symmetrically distributed extension rods, and the extension rods are curved.

[0008] Preferably, a clamping assembly is provided on the support plate, and the clamping assembly includes a clamping cylinder, a connecting rod and a clamping plate. The clamping cylinder is installed on the bottom side of the support plate, and the end of the clamping cylinder passes through the support plate and is connected to the connecting rod. The bottom end of the connecting rod is a right-angle structure, and the bottom end of the connecting rod is connected to the clamping plate.

[0009] Preferably, the clamping plate is in a curved shape, the inner diameter of the clamping plate is the same as the outer diameter of the bag-supporting rod, and the inner surface of the clamping plate is consistent with the outer surface of the bag-supporting rod.

[0010] Preferably, a diverter air cavity is provided inside the diverter plate, and the diverter air cavity in the diverter plate is communicated with the air delivery pipe and the inside of the vacuum suction cup.

[0011] Preferably, the surfaces on the same side of the flattening plate and the limiting plate are flush, the vacuum suction cup is a conical structure with one end wide and the other end narrow, and the wide end surface of the vacuum suction cup is flush with the surface on the same side of the flattening plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] In the utility model, when powder materials are packaged, a design for conveniently opening the mouth of the packaging bag is provided. The mouth of the packaging bag is adsorbed by the negative pressure adsorption principle utilized by the vacuum suction cup. When the moving cylinder is started and drives the fixed plate, the diverter plate, the vacuum suction cup and the leveling plate to move in the same direction, the effect of conveniently opening the mouth of the packaging bag is achieved, which is beneficial for the bag-supporting rod to open the mouth of the packaging bag and keep it stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 For the utility model Figure 1 A schematic diagram of the enlarged structure of the middle part A;

[0016] Figure 3 It is a side structural schematic diagram of the fixed arm of the utility model;

[0017] Figure 4 For the utility model Figure 3 The enlarged structural diagram of the middle B part;

[0018] Figure 5 It is a schematic cross-sectional structure diagram of the flattening plate of the utility model;

[0019] In the figure: 2, first slide cylinder; 3, connecting column; 4, fixed arm; 5, lifting cylinder; 6, moving cylinder; 7, fixed plate; 10, bag support rod; 11, limit plate; 12, bottom plate; 13, support plate; 14, top cover; 41, support plate; 42, second slide cylinder; 43, partition plate; 81, air pipe; 82, diverter plate; 83, vacuum suction cup; 84, flat plate; 91, clamping cylinder; 92, connecting rod; 93, clamping plate; 101, extension support rod. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0021] See also Figures 1 to 5The utility model provides a technical solution: a bag-supporting device for powder packaging, comprising a bracket, a bag-opening mechanism, a moving mechanism and a bag-supporting mechanism, the bracket comprising a limiting plate 11, a bottom plate 12, a supporting plate 13 and a top cover 14, the two ends of the supporting plate 13 are respectively connected to the bottom plate 12 and the top cover 14, the supporting plate 13 is combined with the bottom plate 12 and the top cover 14 by a conventional method, the limiting plate 11 is perpendicular to the bottom plate 12, the limiting plate 11 and the bottom plate 12 are combined by a conventional method, there is a gap between the opposing limiting plates 11, which does not affect the conveying and passing of the packaging bag; the bag-opening mechanism comprises a moving cylinder 6, a fixing plate 7, and an air pipe 81, a diverter plate 82, a vacuum suction cup 83 and a flat The whole plate 84, the moving cylinder 6 is installed between the limit plate 11 and the fixed plate 7, the moving cylinder 6 is combined with the limit plate 11 and the fixed plate 7 by a conventional method, the end of the air pipe 81 passing through the fixed plate 7 is connected to the diverter plate 82, the vacuum suction cup 83 is installed inside the flat plate 84, the diverter plate 82 is connected to the air pipe 81 and the vacuum suction cup 83, the negative pressure adsorption principle used by the vacuum suction cup 83 is a conventional technical means, and this application will not be described in detail, the packaging bag is transported between the opposing flat plates 84, when in use, the vacuum suction cup 83 adsorbs the packaging bag, the moving cylinder 6 is started, and the moving cylinder 6 moves outward along the a direction, the fixed plate 7, the diverter plate 82, the vacuum suction cup 83 The empty suction cup 83 and the leveling plate 84 are driven, and the vacuum suction cup 83 drives the bag mouth of the packaging bag to open it, so as to conveniently open the bag mouth of the packaging bag. The leveling plate 84 is connected to the diverter plate 82, and the leveling plate 84 and the diverter plate 82 are combined by conventional methods; the moving mechanism includes a first slide cylinder 2, a connecting column 3 and a fixed arm 4, the first slide cylinder 2 is connected to the bottom surface of the top cover 14, and the two ends of the connecting column 3 are respectively connected to the first slide cylinder 2 and the fixed arm 4, and the connecting column 3 is combined with the first slide cylinder 2 and the fixed arm 4 by conventional methods. The first slide cylinder 2 is started, and the connecting column 3 and the fixed arm 4 are driven to move along the c direction, which can change the position of the packaging bag that supports the bag. The mechanism includes a lifting cylinder 5, a second slide cylinder 42, a support plate 41 and a bag-supporting rod 10. The second slide cylinder 42 is installed inside the fixed arm 4. The support plate 41 is connected to the second slide cylinder 42. The support plate 41, the second slide cylinder 42 and the lifting cylinder 5 are combined by conventional methods. The lifting cylinder 5 is installed inside the support plate 41. The lifting cylinder 5 passes through the bottom end of the support plate 41 and is connected to the bag-supporting rod 10. When the lifting cylinder 5 is started, the bag-supporting rod 10 moves vertically downward along the e direction and deep into the packaging bag with the bag opening opened. When the second slide cylinder 42 is started, the support plate 41 and the lifting cylinder 5 move along the d direction, and the moving bag-supporting rod 10 supports the opened packaging bag opening.

[0022] In this embodiment, a partition plate 43 with a "U"-shaped structure is provided at the center position of the fixed arm 4. The partition plate 43 is combined with the fixed arm 4 and the second slide cylinder 42 by conventional methods. The second slide cylinder 42 is symmetrically distributed on both sides of the partition plate 43. The partition plate 43 fixes the end of the second slide cylinder 42. The support plate 41 is a "U"-shaped structure, and the lifting cylinder 5 is distributed in the gap formed between the support plate 41 and the fixed arm 4.

[0023] In this embodiment, the bag-strengthening rod 10 is provided with symmetrically distributed extension rods 101, which are curved. The bag-strengthening rod 10 stretches the packaging bag with the bag opening opened and keeps it stable. The extension rods 101 have the effect of extending the length and increasing the diameter of the bag opening.

[0024] In this embodiment, a clamping assembly is provided on the support plate 41, and the clamping assembly includes a clamping cylinder 91, a connecting rod 92 and a clamping plate 93. The clamping cylinder 91 is installed on the bottom side of the support plate 41, and the end of the clamping cylinder 91 passes through the support plate 41 and is connected to the connecting rod 92. The clamping cylinder 91 is combined with the support plate 41 and the connecting rod 92 by conventional methods. The bottom end of the connecting rod 92 is a right-angle structure, and the bottom end of the connecting rod 92 is connected to the clamping plate 93. The clamping plate 93 is curved, and the inner diameter of the clamping plate 93 is the same as the outer diameter of the bag-supporting rod 10. The inner surface of the clamping plate 93 coincides with the outer surface of the bag-supporting rod 10. The clamping cylinder 91 is started to move the connecting rod 92 and the clamping plate 93 along the f direction, so that the clamping plate 93 clamps the bag opening supported by the bag-supporting rod 10, so that the bag opening of the packaging bag remains stable.

[0025] In this embodiment, a diverter air cavity is provided inside the diverter plate 82, and the diverter air cavity inside the diverter plate 82 is connected with the air supply pipe 81 and the inside of the vacuum suction cup 83. The negative pressure inside the vacuum suction cup 83 adsorbs the bag opening of the packaging bag, which is conducive to the opening of the packaging bag.

[0026] In this embodiment, the surface of the flattening plate 84 and the limiting plate 11 are flush, and the vacuum suction cup 83 is a conical structure with one end wide and the other end narrow. The wide end surface of the vacuum suction cup 83 is flush with the surface of the same side of the flattening plate 84, and the surface of the flattening plate 84 and the vacuum suction cup 83 are flush with the limiting plate 11, which does not affect the transportation of the packaging bags.

[0027] The working principle and use process of this utility model:

[0028] Steps to support the bag mouth:

[0029] First, the packaging bag is transported between the opposite limiting plates 11 to between the opposite leveling plates 84;

[0030] Second, the vacuum suction cup 83 is matched with the surface of the bag opening of the packaging bag, and the vacuum suction cup 83 is started, and the vacuum suction cup 83 uses the negative pressure adsorption principle to adsorb the bag opening of the packaging bag;

[0031] Third, the moving cylinder 6 is started, and the moving cylinder 6 moves outward along the direction a, and the fixed plate 7, the diverter plate 82, the vacuum suction cup 83 and the leveling plate 84 are driven to move in the same direction, and the vacuum suction cup 83 drives the bag opening to open, so as to open the bag opening of the bag conveniently;

[0032] Fourth, the lifting cylinder 5 is started, so that the bag support rod 10 moves vertically downward along the direction e and penetrates into the packaging bag with the bag opening opened;

[0033] Fifth, the second slide cylinder 42 is started, so that the support plate 41 and the lifting cylinder 5 move along the direction d, and the moving bag support rod 10 supports the opened bag mouth. At the same time, the vacuum suction cup 83 is separated from the bag mouth of the packaging bag under the lifting force;

[0034] Sixth, the clamping cylinder 91 is started, so that the connecting rod 92 and the clamping plate 93 move along the direction f, so that the clamping plate 93 clamps the bag opening supported by the bag supporting rod 10, so that the bag opening of the packaging bag remains stable, which is conducive to the infusion of powder;

[0035] Seventh, the first slide cylinder 2 is started, and the connecting column 3 and the fixed arm 4 are driven to move along the c direction, which can change the position of the supporting bag;

[0036] To sum up: when packaging powder materials, there is a design for conveniently opening the mouth of the packaging bag. The vacuum suction cup 83 uses the negative pressure adsorption principle to adsorb the mouth of the packaging bag. When the moving cylinder 6 is started and drives the fixed plate 7, the diverter plate 82, the vacuum suction cup 83 and the flattening plate 84 to move in the same direction, the effect of conveniently opening the mouth of the packaging bag is achieved, which is beneficial for the bag-holding rod 10 to open the mouth of the packaging bag and keep it stable.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bag-holding device for powder packaging, comprising a bracket, a bag-opening mechanism, a moving mechanism and a bag-holding mechanism, characterized in that: The support comprises a limit plate (11), a bottom plate (12), a support plate (13) and a top cover (14); the two ends of the support plate (13) are respectively connected to the bottom plate (12) and the top cover (14); the limit plate (11) is perpendicular to the bottom plate (12); the bag opening mechanism comprises a movable cylinder (6), a fixed plate (7), an air pipe (81), a diverter plate (82), a vacuum suction cup (83) and a flattening plate (84); the movable cylinder (6) is installed between the limit plate (11) and the fixed plate (7); the end of the air pipe (81) passing through the fixed plate (7) is connected to the diverter plate (82); the vacuum suction cup (83) is installed inside the flattening plate (84); the flattening plate (84) and the diverter plate (82) are connected to each other. The movable mechanism comprises a first slide cylinder (2), a connecting column (3) and a fixed arm (4); the first slide cylinder (2) is connected to the bottom surface of the top cover (14); two ends of the connecting column (3) are respectively connected to the first slide cylinder (2) and the fixed arm (4); the bag-supporting mechanism comprises a lifting cylinder (5), a second slide cylinder (42), a supporting plate (41) and a bag-supporting rod (10); the second slide cylinder (42) is installed inside the fixed arm (4); the supporting plate (41) is connected to the second slide cylinder (42); the lifting cylinder (5) is installed inside the supporting plate (41); the lifting cylinder (5) passes through the bottom end of the supporting plate (41) and is connected to the bag-supporting rod (10).

2. The bag-opening device for powder packaging according to claim 1, characterized in that: A partition plate (43) with a "U"-shaped structure is provided at the center position of the fixed arm (4), the second slide cylinders (42) are symmetrically distributed on both sides of the partition plate (43), the support plate (41) is a "U"-shaped structure, and the lifting cylinders (5) are distributed in the gap formed between the support plate (41) and the fixed arm (4).

3. The bag-supporting device for powder packaging according to claim 1, characterized in that: The bag support rod (10) is provided with symmetrically distributed extension rods (101), and the extension rods (101) are in a curved shape.

4. The bag-opening device for powder packaging according to claim 1, characterized in that: The support plate (41) is provided with a clamping assembly, which comprises a clamping cylinder (91), a connecting rod (92) and a clamping plate (93). The clamping cylinder (91) is mounted on the bottom side of the support plate (41). The end of the clamping cylinder (91) passes through the support plate (41) and is connected to the connecting rod (92). The bottom end of the connecting rod (92) is a right-angle structure, and the bottom end of the connecting rod (92) is connected to the clamping plate (93).

5. The bag-opening device for powder packaging according to claim 4, characterized in that: The clamping plate (93) is in a curved shape, the inner diameter of the clamping plate (93) is the same as the outer diameter of the bag-supporting rod (10), and the inner surface of the clamping plate (93) is consistent with the outer surface of the bag-supporting rod (10).

6. The bag-opening device for powder packaging according to claim 1, characterized in that: A flow dividing air cavity is provided inside the flow dividing plate (82), and the flow dividing air cavity inside the flow dividing plate (82) is communicated with the air delivery pipe (81) and the inside of the vacuum suction cup (83).

7. The bag-opening device for powder packaging according to claim 1, characterized in that: The flattening plate (84) is flush with the surface on the same side as the limiting plate (11); the vacuum suction cup (83) is a conical structure with one end wide and the other end narrow; the wide end surface of the vacuum suction cup (83) is flush with the surface on the same side as the flattening plate (84).

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