Bag supporting device of bag feeding type packaging machine

Abstract

The utility model relates to the technical field of packaging machines, in particular to a bag supporting device of a bag feeding type packaging machine, which comprises a tray rack erected on the periphery of a turntable, and a plurality of tray components arranged at intervals are uniformly distributed on the tray rack. The tray assembly comprises at least one first guide rod vertically arranged on the tray frame, a mounting plate in sliding connection with the first guide rod and a bearing tray connected with the mounting plate, the bearing tray comprises a tray body and a seat body fixedly connected with the lower end face of the tray body, and one end of the mounting plate extends into the seat body and is attached to the vertical face of the seat body; at least one kidney-shaped groove is formed in the vertical face of the base body, connecting holes matched with the kidney-shaped grooves are formed in the mounting plate, and the bearing tray has the advantages that the overall bearing capacity of the bearing tray is enhanced, the service life of the bearing tray is prolonged, and the filling range of equipment is widened.

Description

Technical Field

[0001] This utility model relates to the field of bag-feeding packaging machine technology, specifically a bag-supporting device for a bag-feeding packaging machine. Background Technology

[0002] Pre-packaging machines, as automated packaging equipment, are widely used in material packaging in various fields such as food, pharmaceuticals, and daily chemicals. A typical pre-packaging machine includes an indexing turntable with evenly distributed bag clamping components mounted on it. These clamping components sequentially pass through a bag loading station, a bag opening station, a material unloading station, a heat sealing station, and an output station. However, when using bags weighing more than 5 kg and with large dimensions, the clamping components may fail to hold the bags securely, causing them to stretch, deform, or even tear under gravity. Furthermore, the weight of the bags can lead to unstable movement during transfer, thus affecting packaging quality and efficiency.

[0003] To overcome the aforementioned deficiencies, patent application number 202521170141.8 discloses an indexing turntable assembly for a large bag-packing machine, including a frame, an indexing turntable, and circumferentially distributed bag clamping assemblies. Below the bag clamping assemblies is an adjustable load-bearing plate. The load-bearing plate is connected to the indexing turntable via a bracket. A vertical guide rod is mounted on the bracket, and an adjusting seat is slidably mounted on the vertical guide rod. The load-bearing plate is fixed to the adjusting seat and its height is locked by a tightening screw. An adjustable arc-shaped guide rail is mounted on the frame, with its outer surface clearance fitting with the end of the adjusting seat facing the center of the turntable. The curvature of the arc-shaped guide rail matches the rotation trajectory of the indexing turntable. A bearing is mounted on the adjusting seat, and the bearing rolls in contact with the arc-shaped guide rail.

[0004] However, while the aforementioned indexing turntable assembly overcomes the insufficient load-bearing capacity of the bag clamping assembly, it has the following drawbacks in actual use: 1. The adjusting seat and vertical guide rod are slidably connected, while the load-bearing plate is fixedly connected to the adjusting seat. The height of the adjusting seat and vertical guide rod is locked by tightening screws. Referring to the attached drawings in the patent document, it is unclear how the height is locked using tightening screws; 2. Bearings are installed on the adjusting seat, allowing the adjusting seat and load-bearing plate to slide on an arc-shaped guide rail. The document states that the arc-shaped guide rail allows the weight of the load-bearing plate to be transferred to the frame via the bearings and the arc-shaped guide rail. However, referring to the attached drawings in the patent document… Figure 2 As can be seen, the load-bearing pallet extends outward. According to basic mechanics, the frame cannot effectively share the load of the pallet. Therefore, long-term heavy load will still cause the load-bearing pallet to bend and deform. 3. The bracket is an L-shaped metal component. The horizontal section is placed in the mounting groove and connected by bolts. When the load-bearing pallet carries excessively heavy materials, the horizontal section of the bracket is subjected to vertical downward pressure. Long-term stress may cause the bolts to loosen, the bracket to deform, or even the bracket to detach from the mounting groove, which poses a safety hazard. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a bag-supporting device for a bag-type packaging machine, which addresses the shortcomings of the prior art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a bag-supporting device for a bag packaging machine, comprising a tray frame mounted on the outer periphery of a turntable, wherein a plurality of tray assemblies are evenly distributed on the tray frame, and each tray assembly includes at least one first guide rod erected on the tray frame, a mounting plate slidably connected to the first guide rod, and a load-bearing tray connected to the mounting plate. The load-bearing tray includes a tray body and a base body fixedly connected to the lower end face of the tray body. One end of the mounting plate extends into the base body and is abutted against the vertical surface of the base body. At least one waist-shaped groove is provided on the vertical surface of the base body, and a connection hole adapted to the waist-shaped groove is provided on the mounting plate.

[0007] The present invention, which has the above features, achieves height adjustment of the load-bearing pallet by cooperating with the waist-shaped groove and the connecting hole, and adapts to packaging bags of different sizes; by setting a seat at the bottom of the pallet to support the pallet, the overall load-bearing capacity of the load-bearing pallet is enhanced, and the pallet is prevented from bending and deforming under long-term heavy load.

[0008] A further feature of this invention is that the pallet frame includes several spaced-apart support arms, vertically arranged support rods, and a mounting ring surrounding the turntable. One end of each support arm extends into the turntable and connects thereto, while the other end connects to the upper end of the support rod. The mounting ring includes several end-to-end mounting guide plates. The lower end of each support rod is connected to the mounting guide plate, and the first guide rod is mounted on the mounting guide plate.

[0009] The present invention, which has the above-mentioned features, forms a stable cage structure by combining a support arm, a support rod, and a mounting ring. Multiple mounting guide plates disperse the load on the mounting ring, and the end-to-end connection of the mounting guide plates improves the overall strength of the mounting ring, thereby making the entire pallet frame evenly stressed and improving equipment safety. Since the mounting plate is slidably connected to the first guide rail, the load-bearing pallet is in the lowest position under natural conditions, and the mounting ring restricts the lowest position of the load-bearing pallet.

[0010] A further feature of this invention is that: the pallet frame is provided with a guide rail device that changes the height of the pallet during operation; the lower end face of the mounting plate is provided with rollers that are tactilely connected to the guide rail device; the guide rail device includes a guide component that guides the load-bearing pallet to rise and a guide rail component that allows the load-bearing pallet to slide; the guide component includes a guide rail concentric with the turntable and a guide power component that drives the guide rail to rise and fall; the guide rail includes a first arc-shaped guide rail arranged in the horizontal direction and a second arc-shaped guide rail that is inclined downward at the entry end of the first arc-shaped guide rail.

[0011] The present invention, which has the above features, guides the load-bearing pallet at its lowest position to rise by setting a guide component, and guides the load-bearing pallet to rotate with the turntable after it is raised by setting a guide rail component. The setting of the guide rail device meets the requirements of different work positions for the height of the load-bearing pallet. For example, when filling materials, it is necessary to raise the load-bearing pallet to ensure that the load-bearing pallet effectively supports the bottom of the packaging bag.

[0012] A further feature of this invention is that the base includes a horizontal surface fixedly connected to the disc body and a vertical surface perpendicular to the horizontal surface. Triangular surfaces are provided at both ends of the horizontal surface along its length, and the triangular surfaces are connected to both the horizontal surface and the vertical surface.

[0013] The present invention, which has the above-mentioned features, increases the strength of the base by utilizing the structural stability of a triangle.

[0014] A further feature of this invention is that the guide rail device includes multiple guide rail assemblies spaced apart, and a vibration assembly is provided between each pair of guide rail assemblies. The vibration assembly includes a third arc-shaped guide rail concentric with the turntable and a guiding power assembly for driving the third arc-shaped guide rail to rise and fall.

[0015] The present invention, which has the above-mentioned features, uses the lifting and lowering movement of the third arc-shaped guide rail to drive the load-bearing tray to produce a small amplitude vibration, so that the material inside the packaging bag is evenly distributed, avoiding material accumulation that leads to poor sealing and improving packaging quality.

[0016] A further feature of this invention is that the guiding power assembly includes a guiding cylinder and a fourth swing arm hinged to the output end of the guiding cylinder. The fourth swing arm is provided with a connecting rod and a second guide rod at intervals. The second guide rod is fitted with a guide sleeve embedded in the frame. The connecting rod and the guide sleeve are provided with a fifth swing arm. The fifth swing arm is located above the fourth swing arm and the two are parallel. The second guide rod and the guide rail are an integral structure.

[0017] The present invention, which has the above-mentioned features, uses this linkage mechanism to realize the lifting and lowering movement of the guide rail, thereby increasing the stability of the lifting and lowering movement of the guide rail.

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. Attached Figure Description

[0019] Figure 1 This is an installation diagram of an embodiment of the present utility model.

[0020] Figure 2 This is a structural schematic diagram of an embodiment of the present utility model.

[0021] Figure 3 This is a schematic diagram of the structure of the tray assembly in an embodiment of the present utility model. Figure 1 .

[0022] Figure 4 This is a schematic diagram of the structure of the tray assembly in an embodiment of the present utility model. Figure 2 .

[0023] Figure 5 This is a schematic diagram of the structure of the tray frame according to an embodiment of the present utility model.

[0024] Figure 6 This is a schematic diagram of the guide rail device according to an embodiment of the present invention.

[0025] Figure 7 This is a schematic diagram of the structure of the embodiment of the present utility model and the bag clamping assembly. Detailed Implementation

[0026] The present invention will be further described below with reference to the accompanying drawings:

[0027] like Figure 1-6 The illustrated bag-supporting device for a bag-packing machine includes a tray frame k1 mounted on the outer periphery of a turntable 2. The tray frame k1 has a plurality of tray assemblies k2 evenly distributed on it, corresponding to each workstation. Each tray assembly k2 includes at least one first guide rod k21 erected on the tray frame k1, a mounting plate k22 slidably connected to the first guide rod k21, and a load-bearing tray k23 connected to the mounting plate k22. The load-bearing tray k23 includes a tray body k231 and a base k232 fixedly connected to the lower end face of the tray body k231. The base k232 includes components fixedly connected to the tray body k231. The system has a horizontal surface k2321 and a vertical surface k2322 perpendicular to the horizontal surface k2321. Triangular surfaces k2323 are provided at both ends of the horizontal surface k2321 along its length. The triangular surfaces k2323 are connected to both the horizontal surface k2321 and the vertical surface k2322. One end of the mounting plate k22 extends into the base k232 and is in contact with the vertical surface k2322 of the base k232. At least one waist-shaped groove k23221 is provided on the vertical surface k2322 of the base k232. The mounting plate k22 is provided with a connecting hole k221 that is adapted to the waist-shaped groove k23221.

[0028] The pallet frame k1 includes several spaced support arms k11, vertically arranged support rods k12, and a mounting ring k13 surrounding the turntable 2. One end of the support arm k11 extends into the turntable 2 and connects thereto, and the other end connects to the upper end of the support rod k12. The mounting ring k13 includes several mounting guide plates k131 connected end to end. The lower end of the support rod k12 is connected to the mounting guide plate k131. The first guide rod k21 is mounted on the mounting guide plate k131.

[0029] The pallet frame k1 is equipped with a guide rail device k3 that changes the height of the pallet during operation. The lower end face of the mounting plate k22 is equipped with a roller k24 that is tactilely connected to the guide rail device k3. The guide rail device k3 includes a guide component k31 that guides the load-bearing pallet k23 to rise and a guide rail component k32 that allows the load-bearing pallet k23 to slide. The guide component k31 includes a guide rail k311 that is concentric with the turntable 2 and a guide power component k312 that drives the guide rail k311 to rise and fall. The guide rail k311 includes a first arc-shaped guide rail k3111 that is set in the horizontal direction and a second arc-shaped guide rail k3112 that is set in the downward inclination at the entry end of the first arc-shaped guide rail k3111.

[0030] The guide rail device k3 includes multiple guide rail assemblies k32 spaced apart, and a vibration assembly k33 is provided between each pair of guide rail assemblies k32. The vibration assembly k33 includes a third arc-shaped guide rail k331 concentric with the turntable 2 and a guide power assembly k312 that drives the third arc-shaped guide rail k331 to rise and fall.

[0031] The guiding power assembly k312 includes a guide cylinder k3121 and a fourth swing arm k3122 hinged to the output end of the guide cylinder k3121. The fourth swing arm k3122 is provided with a connecting rod k3123 and a second guide rod k3124 at intervals. The second guide rod k3124 is fitted with a second guide sleeve k3125 embedded in the frame 1. The connecting rod k3123 and the second guide sleeve k3125 are provided with a fifth swing arm k3126. The fifth swing arm k3126 is located above the fourth swing arm k3122 and the two are parallel. The second guide rod k3124 and the guide rail k311 are an integral structure.

[0032] like Figure 7As shown, the turntable 2 is equipped with bag clamping components j evenly distributed around its circumference. Each station is equipped with a bag clamping component and a tray component. The bag clamping components and bag holding devices rotate together with the turntable. The packaging bags are clamped on both sides by the bag clamping components and rotated to each station with the turntable. The bag packaging machine has a bag loading station, a zipper opening station, a bag opening station, a material unloading station, a bag mouth cleaning station, a heat sealing station, and a shaping station along the outer circumference of the turntable 2. A bag supporting component that performs reciprocating motion is provided between the bag opening station and the material unloading station. A conveying mechanism for conveying finished products is provided below the shaping station. The tray assembly at the bag loading station and zipper opening station is located at the lowest point, with the rollers abutting against the mounting ring. The tray assembly at the bag opening station is located in the rising zone. The tray assemblies at the material unloading station, bag mouth cleaning station, and heat sealing station are located at the highest point. The tray assembly at the shaping station is located in the descending zone. The height of the load-bearing tray can be adjusted according to the actual packaging bag size. Only the position of the connecting hole in the waist-shaped groove needs to be adjusted. The guide component in the guide rail device is set at the bag opening station. The rollers roll upward along the second arc-shaped guide rail to the first arc-shaped guide rail, raising the tray assembly. The guide power component can drive the guide rail to rise according to the actual capacity of the packaging bag. The guide rail assembly is set at the material unloading station to ensure that the load-bearing tray supports the effective bottom of the packaging bag (i.e., the bottom that holds the material), ensuring that the bag mouth and bag body do not deform during the filling process. The vibration component is located between the two guide rail assemblies to shake the packaging bag after filling, making the material filling more uniform.

Claims

1. A bag-supporting device for a bag-type packaging machine, characterized in that: The system includes a tray frame mounted on the outer periphery of a turntable. Several tray assemblies are evenly distributed on the tray frame. Each tray assembly includes at least one first guide rod erected on the tray frame, a mounting plate slidably connected to the first guide rod, and a load-bearing tray connected to the mounting plate. The load-bearing tray includes a tray body and a base body fixedly connected to the lower end face of the tray body. One end of the mounting plate extends into the base body and is attached to the vertical surface of the base body. At least one waist-shaped groove is provided on the vertical surface of the base body, and a connection hole adapted to the waist-shaped groove is provided on the mounting plate.

2. The bag-supporting device for a bag-type packaging machine according to claim 1, characterized in that: The pallet frame includes several spaced-apart support arms, vertically arranged support rods, and a mounting ring surrounding the turntable. One end of each support arm extends into the turntable and connects thereto, while the other end connects to the upper end of the support rod. The mounting ring includes several end-to-end mounting guide plates. The lower end of each support rod is connected to the mounting guide plate, and the first guide rod is mounted on the mounting guide plate.

3. A bag-supporting device for a bag-type packaging machine according to claim 1 or 2, characterized in that: The pallet frame is equipped with a guide rail device that changes the height of the pallet during operation. The lower end face of the mounting plate is provided with rollers that are tactilely connected to the guide rail device. The guide rail device includes a guide component that guides the load-bearing pallet to rise and a guide rail component that allows the load-bearing pallet to slide. The guide component includes a guide rail concentric with the turntable and a guide power component that drives the guide rail to rise and fall. The guide rail includes a first arc-shaped guide rail arranged in the horizontal direction and a second arc-shaped guide rail that is inclined downward at the entry end of the first arc-shaped guide rail.

4. The bag-supporting device for a bag-type packaging machine according to claim 1, characterized in that: The base includes a horizontal surface fixedly connected to the disc body and a vertical surface perpendicular to the horizontal surface. Triangular surfaces are provided at both ends of the horizontal surface along its length, and the triangular surfaces are connected to both the horizontal surface and the vertical surface.

5. The bag-supporting device for a bag-type packaging machine according to claim 3, characterized in that: The guide rail device includes multiple guide rail assemblies spaced apart, and a vibration assembly is provided between each pair of guide rail assemblies. The vibration assembly includes a third arc-shaped guide rail concentric with the turntable and a guide power assembly that drives the third arc-shaped guide rail to rise and fall.

6. The bag-supporting device for a bag-type packaging machine according to claim 5, characterized in that: The guiding power assembly includes a guide cylinder and a fourth swing arm hinged to the output end of the guide cylinder. The fourth swing arm is provided with a connecting rod and a second guide rod at intervals. The second guide rod is covered with a guide sleeve embedded in the frame. The connecting rod and the guide sleeve are provided with a fifth swing arm. The fifth swing arm is located above the fourth swing arm and the two are parallel. The second guide rod and the guide rail are an integral structure.

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