Semi-automatic blanking type bagging machine

Abstract

The utility model discloses a semi-automatic blanking type bagging machine which comprises a machine table, and a bag conveying mechanism, a bag transferring mechanism, a discharging mechanism, a bag opening mechanism, a bag opening mechanism and a bag sucking mechanism are arranged in the machine table. The bag opening mechanism comprises a first bag opening assembly used for sucking the upper portion of the packaging bag open and a second bag opening assembly used for sucking the lower portion of the packaging bag open. According to the semi-automatic blanking type bagging machine, the overall structure is simpler and more compact, the manufacturing cost is lower, the semi-automatic blanking type bagging machine can be suitable for bag types of packaging bags which do not need to be sealed, the bag opening mechanism is provided with the first bag opening assembly and the second bag opening assembly, the semi-automatic blanking type bagging machine can be suitable for the bag types of large packaging bags, and the packaging efficiency is improved. And the situation that materials cannot completely fall into the packaging bag due to the fact that the lower portion of the packaging bag is not completely sucked open is avoided, and applicability and stability are good.

Description

Technical Field

[0001] The utility model belongs to the technical field of food bagging machines, in particular to a semi-automatic blanking bagging machine. Background Art

[0002] Many foods in daily life need to be packed in bags to keep them fresh. Now a large number of large-scale automatic packaging and production automatic bagging equipment have been developed on the market.

[0003] For example, the Chinese utility model patent developed by the applicant with publication number "CN221642834U" and name "Small Blanking Bag Filling Machine" discloses a small blanking bag filling machine, including a machine platform, which is equipped with a bag conveying mechanism, a sealing mechanism, a discharge hopper, a bag opening mechanism for opening the packaging bag, a bag opening mechanism for opening the packaging bag, a bag pulling mechanism for tightening the packaging bag, a feed hopper, a bag placing mechanism for placing the packaging bag, a bag suction mechanism for sucking the packaging bag on the bag placing mechanism, and a bag transferring mechanism for transferring the packaging bag on the bag suction mechanism to the position of the bag conveying mechanism; the bag filling machine of the utility model can realize automatic bag taking, automatic bag opening, automatic bag filling and automatic heat sealing and discharging, the overall structure is compact, occupies little site and space, has good stability and high production efficiency, performs bag opening and filling actions while the sealing mechanism is heat sealing, is provided with a pre-pressing mechanism and a vacuum pumping device, can perform pre-pressing and vacuuming actions, is fully functional and highly reliable.

[0004] Although the above-mentioned bagging machine has the advantages of small space occupation, good stability and high production efficiency, the applicant found during use that its discharge end is provided with a sealing mechanism, but some packaging bag types do not require sealing, resulting in the bagging machine being unsuitable for some bag types that do not require sealing, and its bag opening mechanism is only provided with a set of bag opening suction cups. Some bag types are large and it is difficult to fully open the plastic bag, which affects subsequent blanking. The applicability is poor, and the structure of the bagging machine needs to be optimized.

[0005] In view of this, the applicant conducted in-depth research on the above issues, which led to the present case. Summary of the Invention

[0006] The purpose of the utility model is to provide a semi-automatic blanking bagging machine with a simple and compact structure and good applicability.

[0007] In order to achieve the above purpose, the present invention adopts the following technical solution:

[0008] The bag conveying mechanism is arranged on the moving path of the bag conveying mechanism, and the bag conveying mechanism is used to convey the bag on the bag transferring mechanism to the position of the bag opening mechanism, and the bag opening mechanism includes a first bag opening component for sucking open the upper part of the bag, and a second bag opening component for sucking open the lower part of the bag.

[0009] Furthermore, the bag conveying mechanism includes a first transverse movement mechanism arranged along the length direction of the machine and a first support plate arranged on the first transverse movement mechanism. The first support plate is arranged along the width direction of the machine, and the first support plate is provided with a first clamping mechanism for clamping the packaging bag.

[0010] Furthermore, the top of the first clamping mechanism has a first clamping plate for clamping the packaging bag, the first clamping plate extends toward the discharge mechanism, and the first transverse movement mechanism drives the first clamping plate to move back and forth between the bag transfer mechanism and the bag opening mechanism.

[0011] Furthermore, a second clamping plate for clamping the packaging bag is provided in the middle of the first clamping mechanism. The second clamping plate extends toward the discharge mechanism and is located below the first clamping plate.

[0012] Furthermore, the first bag opening assembly includes bag suction clamp arms symmetrically arranged on both sides of the packaging bag and a pulley drive mechanism for driving the two bag suction clamp arms to move toward or away from each other. The two bag suction clamp arms are respectively located on both sides of the width direction of the machine, and a first bag opening suction cup is provided on the opposite side of the two bag suction clamp arms.

[0013] Furthermore, the second bag opening assembly includes bag opening cylinders fixedly arranged on both sides of the width direction of the machine, the output ends of the two bag opening cylinders are arranged facing each other, and the output ends of the two bag opening cylinders are both provided with second bag opening suction cups.

[0014] Furthermore, the bag opening mechanism includes a support plate hopper arranged in the machine and a support plate cylinder that controls the opening and closing of the support plate hopper. It also includes a longitudinal movement mechanism arranged on one side of the machine for driving the support plate hopper to move along the vertical direction of the machine.

[0015] Furthermore, the longitudinal movement mechanism is provided with a supporting plate, the supporting plate is provided with a fixed plate arranged along the width direction of the machine, the support plate hopper is arranged on the fixed plate, the support plate cylinder is fixedly arranged on the fixed plate, and the output end of the support plate cylinder is fixedly connected to the support plate hopper and drives the support plate hopper to open and close.

[0016] Furthermore, a feeding mechanism is provided above the machine, and the discharge port of the feeding mechanism is located at the top of the bag opening mechanism. The feeding mechanism includes a feeding conveyor belt and a drop hopper arranged at the discharge end of the feeding conveyor belt. The discharge end of the feeding conveyor belt is located above the machine, and the outlet of the drop hopper is located at the top of the support plate hopper. The feeding mechanism also includes a first bracket for supporting the discharge end of the feeding conveyor belt, and the first bracket is fixed on the top of the machine. A partition belt is also provided on the feeding conveyor belt.

[0017] Furthermore, the discharging mechanism includes a discharging conveyor belt and a partition plate arranged on the discharging conveyor belt. One end of the discharging conveyor belt is located inside the machine, and the other end is located outside the machine and supported by a second bracket.

[0018] By adopting the above-mentioned design scheme, the beneficial effects of the utility model are:

[0019] The semi-automatic blanking bagging machine of the utility model has a simpler and more compact overall structure and lower manufacturing cost. It can be used for packaging bags that do not require sealing. In addition, a first bag opening component and a second bag opening component are provided on the bag opening mechanism, which can be used for larger packaging bags, thereby preventing the lower part of the packaging bag from being completely sucked open, resulting in the material not being able to fall completely into the packaging bag. It has good applicability and stability.

[0020] Furthermore, the bag conveying mechanism is provided with a first clamping plate and a second clamping plate, which can prevent the packaging bag from shaking during movement and improve the stability of the bagging machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall semi-automatic blanking bagging machine of the present invention, in which part of the machine structure is omitted.

[0022] Figure 2 This is a schematic diagram of the entire semi-automatic blanking bagging machine of the present invention from another perspective, in which the feeding mechanism, auxiliary material conveying mechanism and part of the machine structure are omitted.

[0023] Figure 3 This is a schematic diagram of the bag conveying mechanism in the semi-automatic blanking bagging machine of the present invention.

[0024] Figure 4 This is a schematic diagram of the bag conveying mechanism and bag opening mechanism in the semi-automatic blanking bagging machine of the present invention.

[0025] Figure 5 This is a schematic diagram of the bag opening mechanism in the semi-automatic blanking bagging machine of the present invention.

[0026] Figure 6 It is a schematic diagram of the feeding mechanism in the semi-automatic blanking bagging machine of the present invention.

[0027] In the picture:

[0028] 1-machine; 10-packaging bag;

[0029] 11-Bag transfer mechanism; 12-Bag placement mechanism;

[0030] 13-bag suction mechanism; 2-bag conveying mechanism;

[0031] 21-transverse movement mechanism; 22-support plate;

[0032] 23-clamping mechanism; 24-first clamping plate;

[0033] 25-second clamping plate; 3-discharging mechanism;

[0034] 31-discharging conveyor belt; 32-separator plate;

[0035] 33-second bracket; 4-bag opening mechanism;

[0036] 41-first bag opening assembly; 42-second bag opening assembly;

[0037] 411-bag suction clamp arm; 412-first bag opening suction cup;

[0038] 413-mounting plate; 414-pulley;

[0039] 415-driving motor; 416-belt;

[0040] 417-transverse slide rail; 418-transverse slide seat;

[0041] 421-bag opening cylinder; 422-bag opening rack;

[0042] 423-Second bag opening suction cup; 5-Bag opening mechanism;

[0043] 51- support plate hopper; 52- support plate cylinder;

[0044] 53-longitudinal slide rail;

[0045] 55-carrying plate; 56-longitudinal movement cylinder;

[0046] 57-fixed plate; 511-support plate;

[0047] 512-connecting block; 513-transmission rod;

[0048] 514-mounting lug; 515-swing block;

[0049] 6-feeding mechanism; 61-feeding conveyor belt;

[0050] 62-drop hopper; 63-first bracket;

[0051] 64-separating belt; 7-auxiliary material conveying mechanism;

[0052] 71- auxiliary material box; 72- auxiliary material conveying rack. DETAILED DESCRIPTION

[0053] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0054] like Figures 1 to 6 As shown, a semi-automatic blanking bagging machine includes a machine platform 1 set on the ground, a bag conveying mechanism 2 is arranged along the length direction of the machine platform 1, a bag transfer mechanism 11 is provided at one end of the length direction of the machine platform 1, and a discharge mechanism 3 is provided at the other end; a bag opening mechanism 4 for opening the packaging bag 10 and a bag opening mechanism 5 located above the bag opening mechanism 4 are also provided near the discharge mechanism 3 in the machine platform 1; a bag placement mechanism 12 for placing the packaging bag 10 and a bag placement mechanism 12 for sucking the bag are provided on one side of the machine platform 1 near the bag transfer mechanism 11. The bag sucking mechanism 13 of the packaging bag 10 on the machine 1, the bag transferring mechanism 11 is used to transfer the packaging bag 10 on the bag sucking mechanism 13 to the position of the bag conveying mechanism 2, the bag opening mechanism 4 is arranged on the moving path of the bag conveying mechanism 2, and the bag conveying mechanism 2 is used to convey the packaging bag 10 on the bag transferring mechanism 11 to the position of the bag opening mechanism 4; a feeding mechanism 6 is also provided above the machine 1, and the discharge port of the feeding mechanism 6 is located at the top of the bag opening mechanism 5. The material is conveyed from the feeding mechanism 6 to the top of the machine 1 and falls into the packaging bag 10 from the bag opening mechanism 5.

[0055] It should be noted that the semi-automatic blanking bagging machine of the present invention is an optimization and improvement of the Chinese utility model patent with publication number "CN221642834U" and name "Small Blanking Bagging Machine" mentioned in the background technology. Accordingly, the structure of the machine 1 in this embodiment adopts the structure of the machine in the above patent. The bag placing mechanism 12, the bag suction mechanism 13 and the bag transfer mechanism 11 mentioned in this embodiment all adopt the same structure mentioned in the above patent. The specific structure of the bag placing mechanism 12, the bag suction mechanism 13 and the bag transfer mechanism 11 and the setting position on the machine 1 have been specifically introduced in the above patent and will not be described in detail in this embodiment.

[0056] For ease of description, Figure 1 As shown, the end of the machine 1 close to the discharge mechanism 3 in the length direction is the right end, and the other end is the left end. The side of the machine 1 close to the bag placement mechanism 12 in the width direction is the front side, and the other side is the rear side.

[0057] like Figure 3 As shown, the bag conveying mechanism 2 of the present invention includes a transverse movement mechanism 21 arranged along the left and right directions of the machine 1 and a support plate 22 arranged on the transverse movement mechanism 21. The support plate 22 is arranged horizontally and arranged toward the front side of the machine 1. A clamping mechanism 23 for clamping the packaging bag 10 is provided on the support plate 22. The top of the clamping mechanism 23 has a first clamping plate 24 for clamping the packaging bag 10. The transverse movement mechanism 21 drives the first clamping plate 24 to move back and forth between the bag transfer mechanism 11 and the bag opening mechanism 4. It should be noted that the transverse movement mechanism 21 and the support plate 22 in this embodiment are arranged horizontally and toward the front side of the machine 1. 2 and the clamping mechanism 23 both adopt conventional structures in the field, such as the first transverse movement mechanism, the first support plate and the first clamping mechanism mentioned in the background technology patent. Unlike the prior art, the first clamping plate 24 in this embodiment is horizontally arranged, and the first clamping plate 24 extends toward the direction of the discharge mechanism 3. Two second clamping plates 25 for clamping the packaging bag 10 are further provided below the first clamping plate 24. The second clamping plates 25 are fixed in the middle of the clamping mechanism 23 and extend toward the direction of the discharge mechanism 3. The second clamping plates 25 are provided to prevent the packaging bag 10 from shaking when moving.

[0058] like Figure 1 and Figure 4As shown, the bag opening mechanism 4 includes a first bag opening component 41 for sucking open the upper part of the packaging bag 10, the first bag opening component 41 includes a bag suction clamping arm 411 symmetrically arranged on both sides of the packaging bag 10 and a pulley driving mechanism for driving the two bag suction clamping arms 411 to move toward or away from each other, the two bag suction clamping arms 411 are respectively located on both sides of the front and rear directions of the machine 1, and a first bag opening suction cup 412 is provided on the opposite side of the two bag suction clamping arms 411. Specifically, the pulley driving mechanism includes a mounting plate 413 arranged along the front and rear directions of the machine 1, pulleys 414 arranged at the front and rear ends of the mounting plate 413, a driving motor 415 for driving one of the pulleys 414 to rotate, and a belt 416 sleeved on the two pulleys 414. Correspondingly, the mounting plate 413 is fixed on the front and rear sides of the machine 1, the belt 416 is arranged on the top of the mounting plate 413, and a transverse slide rail 417 and a transverse slide seat 418 are fixed on the bottom of the mounting plate 413. The rail 417 is set in the same direction as the mounting plate 413, and the transverse slide 418 can move on the transverse slide rail 417 and the two transverse slides 418 are respectively located on the front and rear sides of the packaging bag 10. Correspondingly, the two bag suction clamping arms 411 are respectively fixed on the corresponding transverse slide 418, one of the bag suction clamping arms 411 is fixedly arranged on the left part of the belt 416, and the other bag suction clamping arm 411 is fixedly arranged on the right part of the belt 416, so that when the driving motor 415 drives the belt 416 to rotate, the two bag suction clamping arms 411 can be driven to move toward or away from each other; it should be noted that the pulley driving mechanism in this embodiment can also adopt the existing conventional structure, as long as it can achieve the purpose of driving the two bag suction clamping arms 411 to move toward or away from each other. The utility model drives the two bag suction clamping arms 411 to move toward each other through the pulley driving mechanism to suck the upper part of the packaging bag 10, and then drives the two bag suction clamping arms 411 to move away from each other to open the upper part of the packaging bag 10.

[0059] In order to prevent the lower part of the packaging bag 10 from not being fully opened after the upper part of the packaging bag 10 is sucked open by the first bag opening component 41, the bag opening mechanism 4 of the present invention also includes a second bag opening component 42 for sucking open the lower part of the packaging bag 10. The second bag opening component 42 includes a bag opening cylinder 421 fixedly arranged on both sides of the front and rear directions of the machine 1, and the output ends of the two bag opening cylinders 421 are arranged facing each other. The output ends of the two bag opening cylinders 421 are both provided with a bag opening frame 422, and a second bag opening suction cup 423 is fixedly provided on the bag opening frame 422. The bag opening cylinders 421 on both sides respectively drive the corresponding bag opening frames 422 to move toward each other, driving the second bag opening suction cups 423 on both sides to open the packaging bag 10 The lower part of the packaging bag 10 is sucked and then retracted to open the lower part of the packaging bag 10. The first bag opening component 41 and the second bag opening component 42 act synchronously to ensure that the upper and lower parts of the packaging bag 10 can be sucked open at the same time; to avoid the lower part of the packaging bag 10 not being sucked open, resulting in the material not being able to fall completely into the packaging bag 10; after the bag conveying mechanism 2 conveys the packaging bag 10 to the bag opening mechanism 4, the first bag opening suction cup 412 and the second bag opening suction cup 423 move toward the position of the packaging bag 10 and suck the packaging bag 10, the clamping mechanism 23 controls the first splint 24 and the second splint 25 to release the packaging bag 10, and then the first bag opening suction cup 412 and the second bag opening suction cup 423 move away from each other to suck the packaging bag 10 open.

[0060] like Figure 5 As shown, the bag opening mechanism 5 includes a supporting plate hopper 51 arranged in the machine 1 and a supporting plate cylinder 52 for controlling the opening and closing of the supporting plate hopper 51. It also includes a longitudinal movement mechanism arranged on one side of the machine 1 for driving the supporting plate hopper 51 to move in the vertical direction of the machine 1. Specifically, the longitudinal movement mechanism includes a longitudinal movement slide rail 53 vertically arranged on the machine 1 and a longitudinal movement slide (not shown in the figure) movable on the longitudinal movement slide rail 53. A supporting plate 55 is provided on the front side of the longitudinal movement slide. A longitudinal movement cylinder 56 for driving the supporting plate 55 to move up and down is further provided on one side of the supporting plate 55. The longitudinal movement cylinder 56 is vertically arranged and fixed in the machine 1.

[0061] The front side of the carrying plate 55 is provided with a fixed plate 57 arranged in the front and rear directions, and a through slot for placing the support plate hopper 51 is opened on the fixed plate 57, and the support plate hopper 51 is arranged in the through slot, and the support plate hopper 51 is located above the suction position of the two first bag opening suction cups 412. Specifically, the support plate hopper 51 includes two support plates 511 that can be opened and closed at the bottom. The support plates 511 in the present utility model are conventional arc-shaped support plates in the field. The two support plates 511 are arranged front and back, and the tops of the two support plates 511 form the feeding port of the support plate hopper 51, and the two support plates 511 form the material passing channel of the support plate hopper 51. The bottoms of the two support plates 511 are closed to form the discharge port of the support plate hopper 51. Preferably, the utility model is provided with two support plate cylinders 52, and the output ends of the two support plate cylinders 52 are respectively connected to the two support plates 511 for transmission, and synchronously control the opening and closing of the two support plates 511; specifically, in this embodiment, the support plates 511 The two support plate cylinders 52 respectively drive the swing blocks 515 on the corresponding support plates 511 to move, thereby controlling the opening and closing of the support plates 511.

[0062] The support plate hopper 51 is located above the bag opening mechanism 4. When the bag opening mechanism 4 sucks the packaging bag 10 open, the longitudinal movement mechanism drives the supporting plate 55 to move downward, so that the bottom of the support plate hopper 51 extends into the packaging bag 10. The support plate cylinder 52 then controls the two support plates 511 to open and open the packaging bag 10, so that the material of the feeding mechanism 6 can fall into the packaging bag 10.

[0063] like Figure 1 、 Figure 2 and Figure 6As shown, the feeding mechanism 6 includes a feeding conveyor belt 61 and a drop hopper 62 arranged at the discharge end of the feeding conveyor belt 61. Preferably, in this embodiment, the feeding conveyor belt 61 is arranged obliquely, the discharge end of the feeding conveyor belt 61 is located above the machine 1, the feeding end of the feeding conveyor belt 61 is located on the ground, and the outlet of the drop hopper 62 is located at the top of the support plate hopper 51. The feeding mechanism 6 also includes a first bracket 63 for supporting the discharge end of the feeding conveyor belt 61. The first bracket 63 is fixed on the top of the machine 1. In actual use, a first bracket 63 can also be set at the feeding end of the feeding conveyor belt 61 according to actual needs to ensure the stability of the feeding conveyor belt 61. Qualitatively, preferably, a separating belt 64 is further provided on the feed conveyor belt 61, and the separating belt 64 is used to separate the materials one by one, so as to facilitate precise unloading operation; the discharging mechanism 3 includes a discharging conveyor belt 31 and a separating plate 32 arranged on the discharging conveyor belt 31, and the separating plate 32 separates the packaging bags 10 one by one, so as to facilitate subsequent operation by operators. One end of the discharging conveyor belt 31 is located in the machine 1, and the other end extends outside the machine 1 and is supported on the ground by a second bracket 33. The end of the discharging conveyor belt 31 in the machine 1 is located below the bag opening mechanism 4; the feed conveyor belt 61 and the discharging conveyor belt 31 of the utility model can both adopt conventional conveyor belt structures in the field.

[0064] Preferably, Figure 1 As shown, the machine 1 is also provided with an auxiliary material conveying mechanism 7, which includes an auxiliary material box 71 and an auxiliary material conveying rack 72 fixed at the output end of the auxiliary material box 71. The auxiliary material conveying rack 72 is provided with an auxiliary material channel for the auxiliary material to pass through. One end of the auxiliary material channel is correspondingly arranged at the outlet end of the auxiliary material box 71, and the other end is arranged on the top of the support plate hopper 51. The auxiliary material box 71 in this embodiment adopts the conventional automatic unloading structure or the vibration box structure in this field. As long as it can automatically unload the auxiliary material, this embodiment will not be described in detail here; the auxiliary material can be selected from a desiccant bag. When in use, the auxiliary material in the auxiliary material box 71 falls into the support plate hopper 51 together with the material through the auxiliary material channel on the auxiliary material conveying rack 72.

[0065] It should be noted that the suction position of the first bag opening suction cup 412 and the suction position of the second bag opening suction cup 423 in the bag opening mechanism 4 are both set on the path of the clamping mechanism 23 moving left and right along the machine 1, so that the clamping mechanism 23 can transport the packaging bag 10 on the transfer component to the position of the bag opening mechanism 4 for bag opening under the action of the transverse movement mechanism 21, and the bag opening mechanism 4 is set above the discharge conveyor belt 31. When the material and auxiliary materials fall into the packaging bag 10, the packaging bag 10 can fall onto the discharge conveyor belt 31 and be transported out.

[0066] The machine 1 is also provided with a general control end for controlling the linkage of the feeding mechanism 6, the bag conveying mechanism 2, the bag suction mechanism 13, the bag transferring mechanism 11, the bag opening mechanism 4, the bag opening mechanism 5, the auxiliary material conveying mechanism 7 and the discharging mechanism 3. The control connection method in the present invention can adopt the conventional control method in the field, such as PLC control.

[0067] The working principle of the semi-automatic blanking bagging machine of this utility model:

[0068] When in use, the packaging bag 10 is first placed on the bag placement mechanism 12, the bag suction mechanism 13 sucks the packaging bag 10 out of the bag placement mechanism 12, and the packaging bag 10 is transferred to the moving path of the bag conveying mechanism 2 by the bag transfer mechanism 11, the transverse movement mechanism 21 drives the clamping mechanism 23 to move to the position of the packaging bag 10, and clamps the packaging bag 10 by the first clamping plate 24 and the second clamping plate 25, and then the packaging bag 10 on the bag transfer mechanism 11 is clamped by the bag conveying mechanism 2 and conveyed to the position of the bag opening mechanism 4, the first bag opening suction cup 412 and The second bag opening suction cup 423 sucks the packaging bag 10 open at the same time, and the feed conveyor belt 61 delivers the material into the top of the bag opening mechanism 5 through the drop hopper 62, and the auxiliary material falls into the support plate hopper 51 together with the material through the auxiliary material channel on the auxiliary material conveying rack 72. The support plate hopper 51 moves downward and extends into the opened packaging bag 10, and then the support plate cylinder 52 controls the support plate 511 to open to support the packaging bag 10 and allow the material and auxiliary material to fall into the packaging bag 10 to complete the bagging work, and then the support plate 511 is closed, and the packaging bag 10 falls onto the discharge conveyor belt 31 and is transported out.

[0069] The semi-automatic blanking bagging machine of the present invention has a simpler and more compact overall structure and lower manufacturing cost. It can be used for bag types of packaging bags 10 that do not require sealing, and a first bag opening component 41 and a second bag opening component 41 are provided on the bag opening mechanism 4, which can be used for bag types of larger packaging bags 10, thereby preventing the lower part of the packaging bag 10 from being completely sucked open, resulting in the material being unable to completely fall into the packaging bag 10, and has good applicability and stability.

[0070] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A semi-automatic blanking bagging machine, comprising a machine platform, characterized in that: A bag conveying mechanism is arranged in the machine along its length direction, a bag transferring mechanism is provided at one end of the machine in the length direction, and a discharge mechanism is provided at the other end; a bag opening mechanism for opening the packaging bag and a bag stretching mechanism located above the bag opening mechanism are also provided in the machine near the discharge mechanism; a bag placing mechanism and a bag suction mechanism for sucking the packaging bag on the bag placing mechanism are provided on the side of the machine close to the bag transferring mechanism, the bag transferring mechanism is used to transfer the packaging bag on the bag suction mechanism to the position of the bag conveying mechanism, the bag opening mechanism is arranged on the moving path of the bag conveying mechanism, the bag conveying mechanism is used to transport the packaging bag on the bag transferring mechanism to the position of the bag opening mechanism, and the bag opening mechanism includes a first bag opening component for sucking open the upper part of the packaging bag, and a second bag opening component for sucking open the lower part of the packaging bag.

2. A semi-automatic blanking bagging machine according to claim 1, characterized in that: The bag conveying mechanism includes a first transverse movement mechanism arranged along the length direction of the machine and a first support plate arranged on the first transverse movement mechanism. The first support plate is arranged along the width direction of the machine. The first support plate is provided with a first clamping mechanism for clamping the packaging bag.

3. A semi-automatic blanking bagging machine according to claim 2, characterized in that: The top of the first clamping mechanism has a first clamping plate for clamping the packaging bag, and the first clamping plate extends toward the discharge mechanism. The first transverse movement mechanism drives the first clamping plate to move back and forth between the bag transfer mechanism and the bag opening mechanism.

4. A semi-automatic blanking bagging machine according to claim 3, characterized in that: A second clamping plate for clamping the packaging bag is further provided in the middle of the first clamping mechanism. The second clamping plate extends toward the discharge mechanism and is located below the first clamping plate.

5. The semi-automatic blanking bagging machine according to claim 1, characterized in that: The first bag opening assembly includes bag suction clamp arms symmetrically arranged on both sides of the packaging bag and a pulley drive mechanism for driving the two bag suction clamp arms to move toward or away from each other. The two bag suction clamp arms are respectively located on both sides of the width direction of the machine, and a first bag opening suction cup is provided on the opposite side of the two bag suction clamp arms.

6. The semi-automatic blanking bagging machine according to claim 1, characterized in that: The second bag opening assembly includes bag opening cylinders fixedly arranged on both sides of the width direction of the machine, the output ends of the two bag opening cylinders are arranged facing each other, and the output ends of the two bag opening cylinders are both provided with second bag opening suction cups.

7. The semi-automatic blanking bagging machine according to claim 1, characterized in that: The bag opening mechanism includes a support plate hopper arranged in the machine and a support plate cylinder for controlling the opening and closing of the support plate hopper. It also includes a longitudinal movement mechanism arranged on one side of the machine for driving the support plate hopper to move along the vertical direction of the machine.

8. The semi-automatic blanking bagging machine according to claim 7, characterized in that: A supporting plate is provided on the longitudinal movement mechanism, and a fixed plate is provided on the supporting plate and arranged along the width direction of the machine. The support plate hopper is provided on the fixed plate, and the support plate cylinder is fixedly provided on the fixed plate. The output end of the support plate cylinder is fixedly connected to the support plate hopper and drives the support plate hopper to open and close.

9. The semi-automatic blanking bagging machine according to claim 7, characterized in that: A feeding mechanism is also provided above the machine, and the discharge port of the feeding mechanism is located at the top of the bag opening mechanism. The feeding mechanism includes a feeding conveyor belt and a drop hopper arranged at the discharge end of the feeding conveyor belt. The discharge end of the feeding conveyor belt is located above the machine, and the outlet of the drop hopper is located at the top of the support plate hopper. The feeding mechanism also includes a first bracket for supporting the discharge end of the feeding conveyor belt, and the first bracket is fixed on the top of the machine. A partition belt is also provided on the feeding conveyor belt.

10. The semi-automatic blanking bagging machine according to claim 1, characterized in that: The discharging mechanism includes a discharging conveyor belt and a partition plate arranged on the discharging conveyor belt. One end of the discharging conveyor belt is located inside the machine platform, and the other end is located outside the machine platform and supported by a second bracket.

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