Film bag opening device for packaging production

Abstract

The utility model discloses a film bag opening device for packaging production, which comprises a rack, a bag placing mechanism, a bag opening mechanism, a bag opening mechanism, a bag opening pushing mechanism and a bag blowing mechanism, the bag opening mechanism comprises a second adsorption assembly which adsorbs the top face of the upper layer of the film bag and can move up and down, the bag opening mechanism comprises a bag opening assembly which opens the opening of the film bag left and right and up and down, and the bag opening pushing mechanism comprises a bag opening pushing assembly which drives the bag opening mechanism to move forwards. And the bag blowing mechanism comprises a bag blowing assembly for blowing air into the opened film bag. When film bags are used for repackaging production, automation and diversification of bag opening, bag blowing and bag opening are achieved, production efficiency is greatly improved, the film bags are good in bag opening and forming, materials enter the bags smoothly, and economic benefits are good.

Description

TECHNICAL FIELD

[0001] The utility model relates to material packaging production technical field, in particular to a packaging production's film bag opening device. BACKGROUND

[0002] In the production line of the packaging bag re-packaging of the small bag packaging, since the packaging bag is generally a film bag with one end opening, the film bag needs to be opened during operation, and then the small bags arranged and arranged are loaded into the opened film bag, and the film bag is sealed after loading and then output, therefore, the opening of the film bag is a very important production link.

[0003] At present, in the domestic soft bag packaging market, the existing film bag re-packaging production line for small bag food such as potato chips adopts a single opening method of adsorbing opening or supporting opening, the opening method has low production efficiency, the film bag opening forming is not good, the material loading is not smooth, and the material is wasted. UTILITY MODEL CONTENTS

[0004] The utility model wants to solve the technical problem that the prior art is lack, provides a kind of film bag re-packaging production, not only production efficiency is high, and film bag opening forming is good, guarantee the packaging production's film bag opening device of smooth material loading.

[0005] To solve the above technical problems, the utility model adopts a kind of packaging production's film bag opening device, including rack, the film bag opening device further includes bag placing mechanism, opening mechanism, bag supporting mechanism, bag supporting driving mechanism and blowing mechanism, the bag placing mechanism includes the first adsorption component of placing film bag and sucking the lower bottom surface of film bag, the opening mechanism is installed above bag placing mechanism and is oppositely arranged with bag placing mechanism, the opening mechanism includes the second adsorption component of adsorbing the upper top surface of film bag and can move up and down, the bag supporting mechanism is correspondingly arranged with bag placing mechanism and opening mechanism, the bag supporting mechanism includes the bag supporting component of supporting film bag bag mouth left and right and up and down, the bag supporting driving mechanism is installed below the bag supporting mechanism and is connected with the bag supporting mechanism, the bag supporting driving mechanism includes the bag supporting driving component of driving the bag supporting mechanism to move forward, the blowing mechanism is installed between opening mechanism and bag supporting mechanism, the blowing mechanism includes the blowing component of blowing to the bag inside of opened film bag.

[0006] As a preferred embodiment of the utility model, the first adsorption assembly includes a bag placing plate, a plurality of adsorption holes are opened in the rear part of the bag placing plate, the adsorption holes are connected with vacuum suction tubes, the second adsorption assembly includes a suction disc, a supporting rod and a supporting rod driving assembly, the suction disc is installed at one end of the supporting rod and is arranged opposite to the adsorption holes, the other end of the supporting rod is fixedly connected with the driving end of the supporting rod driving assembly, the rod body of the supporting rod is slidably connected with the rack.

[0007] As a preferred embodiment of the utility model, the supporting rod driving assembly includes a first driving motor, a first driving belt, a first belt pulley, a first synchronous wheel, a first sliding rail and a first sliding block, the first sliding rail is vertically arranged on the rack, the first driving motor is arranged on the side surface of one end of the first sliding rail, the first belt pulley is installed on the driving shaft of the first driving motor, the first synchronous wheel is arranged on the side surface of the other end of the first sliding rail, the first driving belt is connected around the first belt pulley and the first synchronous wheel, the rod body of the supporting rod is slidably connected with the first sliding rail through the first sliding block, the other end of the supporting rod is fixedly connected with the first driving belt.

[0008] As a preferred embodiment of the utility model, the bag supporting assembly includes two bag supporting plate assemblies which are symmetrically arranged left and right and a bag supporting plate driving assembly, the bag supporting plate assembly includes a first supporting plate and a second supporting plate which are correspondingly arranged up and down, the bag supporting plate driving assembly includes a first driving assembly for driving the first supporting plate and the second supporting plate to open and close up and down and a second driving assembly for driving the two bag supporting plate assemblies to move left and right relative to each other.

[0009] As a preferred embodiment of the utility model, the first driving assembly includes a first cylinder, a second sliding rail and a second sliding block, the first cylinder and the second sliding rail are vertically arranged outside the bag supporting plate assembly, the cylinder body of the first cylinder is fixedly connected with the second sliding rail, the driving rod of the first cylinder is fixedly connected with the first supporting plate, the first supporting plate is slidably connected with the second sliding rail through the second sliding block, the second supporting plate is fixedly connected with the second sliding rail, the second driving assembly includes a second driving motor, a second driving belt, a second belt pulley, a second synchronous wheel, a third sliding rail and a third sliding block, the third sliding rail is horizontally arranged below the rear part of the bag supporting plate assembly, the second driving motor is arranged on the side surface of one end of the third sliding rail, the second belt pulley is installed on the driving shaft of the second driving motor, the second synchronous wheel is arranged on the side surface of the other end of the third sliding rail, the second driving belt is connected around the second belt pulley and the second synchronous wheel, the bag supporting plate assembly is slidably connected with the third sliding rail through the third sliding block, the two bag supporting plate assemblies are fixedly connected with the upper half of the second driving belt and the lower half of the second driving belt respectively.

[0010] As a preferred embodiment of the utility model, the first support plate and the second support plate are vertically arranged in a pincer shape, the first support plate is provided with an inward upper horizontal edge on the upper side, the rear end of the upper horizontal edge is inclined upward, the second support plate is provided with an inward lower horizontal edge on the lower side, and the rear end of the second support plate is provided with a vertical baffle.

[0011] As a preferred embodiment of the utility model, the bag supporting and pushing assembly comprises a second cylinder and a connecting piece, the cylinder body of the second cylinder is fixedly connected with the rack, the driving rod of the second cylinder is connected with the connecting piece, and the connecting piece is fixedly connected with the bag supporting assembly.

[0012] As a preferred embodiment of the utility model, the bag supporting and pushing assembly further comprises a fourth sliding rail and a fourth sliding block, the fourth sliding rail is fixedly connected with the rack, the fourth sliding block is fixedly connected with the connecting piece, and the connecting piece is slidably connected with the fourth sliding rail through the fourth sliding block.

[0013] As a preferred embodiment of the utility model, the bag blowing assembly comprises a front blowing pipe and a side blowing pipe, the front blowing pipe is arranged at the front lower part of the bag supporting assembly, the gas outlet of the front blowing pipe faces the front surface of the film bag opening between the bag placing mechanism and the bag opening mechanism, the side blowing pipe is arranged at the front side of the bag supporting assembly, and the gas outlet of the side blowing pipe faces the inner side surface of the film bag opening between the bag placing mechanism and the bag opening mechanism.

[0014] After the above structure is adopted, the utility model has the following beneficial effects:

[0015] The utility model discloses a film bag opening device for packaging production, including frame, this film bag opening device still includes bag placing mechanism, bag opening mechanism, bag supporting mechanism, bag supporting pushing mechanism and blow bag mechanism, bag placing mechanism includes the first adsorption subassembly of placing film bag and sucking the lower bottom surface of film bag, bag opening mechanism is installed above bag placing mechanism and is opposite to the arrangement of bag placing mechanism, bag opening mechanism includes the second adsorption subassembly of adsorbing the upper top surface of film bag and can move up and down, bag supporting mechanism is correspondingly arranged with bag placing mechanism and bag opening mechanism, bag supporting mechanism includes the bag supporting subassembly of supporting film bag bag mouth left and right and up and down, bag supporting pushing mechanism is installed below bag supporting mechanism and is connected with bag supporting mechanism, bag supporting pushing mechanism includes the bag supporting pushing subassembly of driving bag supporting mechanism forward movement, blow bag mechanism is installed between bag opening mechanism and bag supporting mechanism, blow bag mechanism includes the blow bag subassembly of blowing gas to the bag of opening film bag, the utility model discloses when working, film bag opening is placed on bag placing mechanism backward, and the first adsorption subassembly of bag placing mechanism sucks the lower bottom surface of film bag, and the second adsorption subassembly of bag opening mechanism moves down on bag placing mechanism and sucks the upper top surface of film bag and then moves up, opens film bag bag mouth, simultaneously, the blow bag subassembly of blow bag mechanism blows gas to film bag, makes the whole film bag to be filled with air, then, the bag supporting pushing subassembly of bag supporting pushing mechanism drives bag supporting mechanism forward movement, and the bag supporting subassembly of bag supporting mechanism is from film bag bag mouth and is inserted into film bag front portion, then, bag supporting subassembly works, and the action of supporting film bag bag mouth left and right and up and down is opened, like this has completed the bag opening work before material entering bag. The utility model discloses such structure, has achieved film bag opening automation, diversification, and has improved production efficiency greatly, and film bag opening is good, guarantees that material enters bag smoothly, and economic benefit is good.

[0016] The first adsorption subassembly includes a bag placing plate, a plurality of adsorption holes are formed in the rear portion of the bag placing plate, the adsorption holes are connected with vacuum suction pipes, the second adsorption subassembly includes a suction disc, a supporting rod and a supporting rod driving assembly, the suction disc is installed at one end of the supporting rod and is arranged opposite to the adsorption holes, the other end of the supporting rod is fixedly connected with the driving end of the supporting rod driving assembly, and the rod body of the supporting rod is slidably connected with the frame. Such structure is reliable in adsorption, simple in structure and economical and practical.

[0017] The utility model discloses support rod drive subassembly includes first drive motor, first drive belt, first belt pulley, first synchronous wheel, first slide rail and first sliding block, the first slide rail is vertically arranged on the frame, first drive motor sets up one end side of first slide rail, first belt pulley is installed on the drive shaft of first drive motor, first synchronous wheel sets up the other end side of first slide rail, first drive belt is connected around first belt pulley and first synchronous wheel, the rod body of support rod is slidably connected with first slide rail, and the other end of support rod is fixedly connected with first drive belt. Such structure makes the support rod movement more stable, smooth, and the fixed point is more accurate.

[0018] The utility model discloses bag support subassembly includes two bag support plate subassembly and bag support plate drive subassembly of left and right symmetry arrangement, bag support plate subassembly includes the first support plate and second support plate of corresponding arrangement up and down, bag support plate drive subassembly includes the first drive subassembly of driving first support plate and second support plate open and close up and down and the second drive subassembly of driving two bag support plate subassembly left and right relative movement. Such structure is more reasonable and good use.

[0019] The utility model discloses first drive subassembly includes first cylinder, second slide rail and second sliding block, first cylinder, second slide rail vertically sets up bag support plate subassembly outside, the cylinder body of first cylinder is fixedly connected with second slide rail, the drive rod of first cylinder is fixedly connected with first support plate, and first support plate is slidably connected with second slide rail through second sliding block, and second support plate is fixedly connected with second slide rail, second drive subassembly includes second drive motor, second drive belt, second belt pulley, second synchronous wheel, third slide rail and third sliding block, third slide rail is horizontally arranged in bag support plate subassembly rear lower, second drive motor sets up one end side of third slide rail, second belt pulley is installed on the drive shaft of second drive motor, second synchronous wheel sets up the other end side of third slide rail, second drive belt is connected around second belt pulley and second synchronous wheel, and bag support plate subassembly is slidably connected with third slide rail through third sliding block, and two bag support plate subassembly are fixedly connected with the upper half belt of second drive belt, lower half belt respectively. Like this, the action of bag support plate subassembly is more accurate in place, and control is more simple, and the action of left and right and up and down bag support film bag mouth has been realized well.

[0020] The utility model discloses first support plate and second support plate vertically set up to be in the shape of pincers up and down, and the upper side of first support plate is equipped with the inward upper horizontal edge, and the rear end of upper horizontal edge is inclined upward, and the lower side of second support plate is equipped with the inward lower horizontal edge, and the rear end of second support plate is equipped with vertical baffle. Such structure, the film bag mouth is not easy to damage, and it is further convenient for the smoothness of subsequent material into the bag.

[0021] The utility model discloses a bag pushing assembly includes second cylinder and connecting piece, the cylinder body of second cylinder is fixedly connected with the frame, the drive link of second cylinder is connected with connecting piece, and connecting piece is fixedly connected with bag supporting assembly. Such structure makes bag pushing assembly more convenient and fast push bag supporting assembly's front and back movement.

[0022] The utility model discloses a bag pushing assembly still includes fourth slide rail and fourth sliding block, fourth slide rail is fixedly connected with the frame, and fourth sliding block is fixedly connected with connecting piece, and connecting piece is slidably connected with fourth slide rail through fourth sliding block. In this way, bag supporting assembly's front and back movement are more stable and smooth.

[0023] The utility model discloses a bag blowing assembly includes front blow pipe and side blow pipe, and the front blow pipe is set up in the front lower part of bag supporting assembly, and the air outlet of front blow pipe faces the front of the film bag mouth between bag placing mechanism and bag opening mechanism, and the side blow pipe is set up in the front side of bag supporting assembly, and the air outlet of side blow pipe faces the inboard of the film bag mouth between bag placing mechanism and bag opening mechanism. Such structure can blow gas to the film bag in multidirectional, and the film bag is more full when being supported and shaped.

[0024] The utility model discloses simple structure, convenient implementation, easy installation and operation, and low manufacturing cost. DRAWINGS

[0025] The specific embodiment of the utility model is further explained in detail below in combination with the drawings.

[0026] Figure 1 It is a kind of structure's stereogram for the film bag opening device of packaging production of the utility model.

[0027] Figure 2 It is the structure stereogram of bag placing mechanism and bag opening mechanism.

[0028] Figure 3 It is the structure stereogram of bag supporting assembly and connecting piece of bag supporting mechanism of the bag supporting mechanism. CONCRETE IMPLEMENTING METHOD

[0029] Reference Figure 1 、 Figure 2 And Figure 3The film bag opening device for packaging production shown in the figure comprises a rack 1, and further comprises a bag placing mechanism 2, a bag opening mechanism 3, a bag supporting mechanism 4, a bag supporting pushing mechanism 5 and a bag blowing mechanism 6. The bag placing mechanism 2 comprises a first adsorption assembly 2a for placing and sucking the lower bottom surface of the film bag. The bag opening mechanism 3 is arranged above and opposite to the bag placing mechanism 2, and comprises a second adsorption assembly 3a for sucking the upper top surface of the film bag and moving up and down. The bag supporting mechanism 4 is arranged corresponding to the bag placing mechanism 2 and the bag opening mechanism 3, and comprises a bag supporting assembly 4a for supporting the bag opening of the film bag left and right and up and down. The bag supporting pushing mechanism 5 is arranged below and connected to the bag supporting mechanism 4, and comprises a bag supporting pushing assembly 5a for driving the bag supporting mechanism 4 to move forward. The bag blowing mechanism 6 is arranged between the bag opening mechanism 3 and the bag supporting mechanism 4, and comprises a bag blowing assembly 6a for blowing air into the opened film bag. The film bag is not shown in the figure, and only part of the rack 1 is shown in the figure.

[0030] As a preferred embodiment of the utility model, as shown in Figure 1 and Figure 2 The first adsorption assembly 2a comprises a bag placing plate 2-1, a plurality of adsorption holes 2-2 are opened in the rear part of the bag placing plate 2-1, the adsorption holes 2-2 are connected with vacuum suction tubes, the second adsorption assembly 3a comprises a suction disc 3-1, a supporting rod 3-2 and a supporting rod driving assembly 3-3, the suction disc 3-1 is installed at one end of the supporting rod 3-2 and is arranged opposite to the adsorption holes 2-2, the other end of the supporting rod 3-2 is fixedly connected with the driving end of the supporting rod driving assembly 3-3, and the rod body of the supporting rod 3-2 is slidably connected with the rack 1. The vacuum suction tubes are not shown in the figure.

[0031] As a preferred embodiment of the utility model, as shown in Figure 1 and Figure 2As shown in the figure, the support rod driving assembly 3-3 includes a first driving motor 3-3-1, a first driving belt 3-3-2, a first belt pulley 3-3-3, a first synchronous wheel 3-3-4, a first sliding rail 3-3-5 and a first sliding block 3-3-6, the first sliding rail 3-3-5 is vertically arranged on the rack 1, the first driving motor 3-3-1 is arranged on one end side of the first sliding rail 3-3-5, the first belt pulley 3-3-3 is installed on the driving shaft of the first driving motor 3-3-1, the first synchronous wheel 3-3-4 is arranged on the other end side of the first sliding rail 3-3-5, the first driving belt 3-3-2 is connected around the first belt pulley 3-3-3 and the first synchronous wheel 3-3-4, the rod body of the support rod 3-2 is slidably connected with the first sliding rail 3-3-5 through the first sliding block 3-3-6, and the other end of the support rod 3-2 is fixedly connected with the first driving belt 3-3-2.

[0032] As a preferred embodiment of the utility model, as shown in the figure, Figure 1 and Figure 3 As shown in the figure, the bag supporting assembly 4a includes two bag supporting plate assemblies 4-1 and a bag supporting plate driving assembly 4-2 which are symmetrically arranged left and right, the bag supporting plate assembly 4-1 includes a first supporting plate 4-1-1 and a second supporting plate 4-1-2 which are correspondingly arranged up and down, the bag supporting plate driving assembly 4-2 includes a first driving assembly 4-2-1 for driving the first supporting plate 4-1-1 and the second supporting plate 4-1-2 to open and close up and down and a second driving assembly 4-2-2 for driving the two bag supporting plate assemblies 4-1 to move left and right relative to each other.

[0033] As a preferred embodiment of the utility model, as shown in the figure, Figure 1 and Figure 3As shown in the first drive assembly 4-2-1, the first cylinder 4-2-1a, the second slide rail 4-2-1b and the second slide block 4-2-1c are vertically arranged outside the bag supporting plate assembly 4-1, the cylinder body of the first cylinder 4-2-1a is fixedly connected with the second slide rail 4-2-1b, the driving rod of the first cylinder 4-2-1a is fixedly connected with the first supporting plate 4-1-1, the first supporting plate 4-1-1 is slidably connected with the second slide rail 4-2-1b through the second slide block 4-2-1c, the second supporting plate 4-1-2 is fixedly connected with the second slide rail 4-2-1b, the second drive assembly 4-2-2 comprises a second drive motor 4-2-2a, a second drive belt 4-2-2b, a second belt pulley 4-2-2c, a second synchronous pulley 4-2-2d, a third slide rail 4-2-2e and a third slide block 4-2-2f, the third slide rail 4-2-2e is horizontally arranged below the bag supporting plate assembly 4-1, the second drive motor 4-2-2a is arranged on one side of the third slide rail 4-2-2e, the second belt pulley 4-2-2c is installed on the driving shaft of the second drive motor 4-2-2a, the second synchronous pulley 4-2-2d is arranged on the other side of the third slide rail 4-2-2e, the second drive belt 4-2-2b is connected around the second belt pulley 4-2-2c and the second synchronous pulley 4-2-2d, the bag supporting plate assembly 4-1 is slidably connected with the third slide rail 4-2-2e through the third slide block 4-2-2f, and the two bag supporting plate assemblies 4-1 are fixedly connected with the upper half of the second drive belt 4-2-2b and the lower half of the second drive belt 4-2-2b.

[0034] As a preferred embodiment of the utility model, as shown in the figure, Figure 3 As shown in the figure, the first supporting plate 4-1-1 and the second supporting plate 4-1-2 are vertically arranged in a pincer shape, the upper side of the first supporting plate 4-1-1 is provided with an inward upper horizontal edge 4-1-3, the rear end of the upper horizontal edge 4-1-3 is upwardly inclined, the lower side of the second supporting plate 4-1-2 is provided with an inward lower horizontal edge 4-1-4, and the rear end of the second supporting plate 4-1-2 is provided with a vertical baffle 4-1-5.

[0035] As a preferred embodiment of the utility model, as shown in the figure, Figure 1 As shown in the figure, the bag supporting pushing assembly 5a comprises a second cylinder 5-1 and a connecting piece 5-2, the cylinder body of the second cylinder 5-1 is fixedly connected with the rack 1, the driving rod of the second cylinder 5-1 is connected with the connecting piece 5-2, and the connecting piece 5-2 is fixedly connected with the bag supporting assembly 4a.

[0036] As a preferred embodiment of the utility model, as shown in the figure, Figure 1As shown, the bag supporting and pushing assembly 5a further comprises a fourth sliding rail 5-3 and a fourth sliding block 5-4, the fourth sliding rail 5-3 is fixedly connected with the rack (1), the fourth sliding block 5-4 is fixedly connected with the connecting piece 5-2, and the connecting piece 5-2 is slidably connected with the fourth sliding rail 5-3 through the fourth sliding block 5-4.

[0037] As a preferred embodiment of the utility model, as shown in the drawings, Figure 1 As shown, the bag blowing assembly 6a comprises a front blowing pipe 6-1 and a side blowing pipe 6-2, the front blowing pipe 6-1 is arranged at the front lower part of the bag supporting assembly 4a, the air outlet of the front blowing pipe 6-1 faces the front surface of the film bag mouth between the bag placing mechanism 2 and the bag opening mechanism 3, and the side blowing pipe 6-2 is arranged at the front side of the bag supporting assembly 4a, and the air outlet of the side blowing pipe 6-2 faces the inner side surface of the film bag mouth between the bag placing mechanism 2 and the bag opening mechanism 3. The film bag is not shown in the drawings.

[0038] In actual application, the bag opening mechanism 3 can adopt the structure of two second adsorption assemblies 3a arranged symmetrically left and right.

[0039] In actual application, the film bag can be removed of static electricity by using a static electricity removing device before entering the bag placing mechanism 2, so that the film bag opening work of the bag opening device is more smooth.

[0040] In operation, the following steps are taken: First, the film bag, with its opening facing backward, is fed from the previous process to the bag-placement plate 2-1 of the first adsorption component 2a of the bag-placement mechanism 2. The adsorption holes 2-2 of the first adsorption component 2a adhere to the bottom surface of the film bag. The bag-placement plate 2-1 remains horizontal and is opposite to the bag-supporting mechanism 4. Then, the suction cup 3-1 of the second adsorption component 3a of the bag-opening mechanism 3 moves downward above the bag-placement plate 2-1 to adhere to the top surface of the film bag before moving upward to open the bag opening. Simultaneously, the front air pipe 6-1 and side air pipe 6-2 of the air-blowing component 6a of the bag-blowing mechanism 6 blow air into the film bag, filling it with air. Next, the second cylinder 5-1 of the bag-supporting pushing component 5a of the bag-supporting pushing mechanism 5 drives the bag-supporting component 4a of the bag-supporting mechanism 4 to move forward. The bag-supporting plate assembly 4-1 of component 4a extends into the front of the film bag from the bag opening. Then, the second drive motor 4-2-2a of the second drive assembly 4-2-2 of the bag-supporting plate drive assembly 4-2 of the bag-supporting plate drive assembly 4a operates. The upper and lower half of the second drive belt 4-2-2b of the second drive assembly 4-2-2 drives the two bag-supporting plate assemblies 4-1 to move to the left and right respectively. At the same time, the first cylinder 4-2-1a of the first drive assembly 4-2-1 of the bag-supporting assembly 4a is activated, and the first support plate 4-1-1 of the bag-supporting plate assembly 4-1 moves upward. The first support plate 4-1-1 and the second support plate 4-1-2 open vertically. In this way, the bag opening of the film bag is opened horizontally and vertically, completing the bag opening work before the material enters the bag.

[0041] After testing, this utility model device has achieved automated and diversified operation of bag opening, bag blowing and bag stretching, greatly improving production efficiency. It not only ensures good opening and forming of film bags and smooth material feeding, but also has good economic benefits and has achieved good results.

Claims

1. A film bag opening device for packaging production, comprising a frame (1), characterized in that: The film bag opening device also includes a bag placement mechanism (2), a bag opening mechanism (3), a bag supporting mechanism (4), a bag supporting and pushing mechanism (5), and a bag blowing mechanism (6). The bag placement mechanism (2) includes a first adsorption component (2a) that places the film bag and sucks the bottom surface of the film bag. The bag opening mechanism (3) is installed above the bag placement mechanism (2) and is arranged opposite to the bag placement mechanism (2). The bag opening mechanism (3) includes a second adsorption component (3a) that adsorbs the top surface of the film bag and can move up and down. The bag supporting mechanism (4) is connected to the bag placement mechanism (2) and the bag opening mechanism (6). The mechanism (3) is configured accordingly. The bag-supporting mechanism (4) includes a bag-supporting component (4a) that opens the opening of the film bag from the left and right and from the top and bottom. The bag-supporting pushing mechanism (5) is installed below the bag-supporting mechanism (4) and connected to the bag-supporting mechanism (4). The bag-supporting pushing mechanism (5) includes a bag-supporting pushing component (5a) that drives the bag-supporting mechanism (4) to move forward. The bag-blowing mechanism (6) is installed between the bag-opening mechanism (3) and the bag-supporting mechanism (4). The bag-blowing mechanism (6) includes a bag-blowing component (6a) that blows air into the opened film bag.

2. The film bag opening device for packaging production according to claim 1, characterized in that: The first adsorption component (2a) includes a bag plate (2-1), and the bag plate (2-1) has a plurality of adsorption holes (2-2) at the rear. The adsorption holes (2-2) are connected to a vacuum suction tube. The second adsorption component (3a) includes a suction cup (3-1), a support rod (3-2) and a support rod drive assembly (3-3). The suction cup (3-1) is installed at one end of the support rod (3-2) and is arranged opposite to the adsorption holes (2-2). The other end of the support rod (3-2) is fixedly connected to the drive end of the support rod drive assembly (3-3). The rod body of the support rod (3-2) is slidably connected to the frame (1) up and down.

3. The film bag opening device for packaging production according to claim 2, characterized in that: The support rod drive assembly (3-3) includes a first drive motor (3-3-1), a first drive belt (3-3-2), a first pulley (3-3-3), a first synchronous pulley (3-3-4), a first slide rail (3-3-5), and a first slider (3-3-6). The first slide rail (3-3-5) is vertically mounted on the frame (1). The first drive motor (3-3-1) is mounted on one side of the first slide rail (3-3-5). The first pulley (3-3-3) is mounted on the drive shaft of the first drive motor (3-3-1). The first synchronous pulley (3-3-4) is mounted on the other side of the first slide rail (3-3-5). The first drive belt (3-3-2) is connected around the first pulley (3-3-3) and the first synchronous pulley (3-3-4). The body of the support rod (3-2) is slidably connected to the first slide rail (3-3-5) through the first slider (3-3-6). The other end of the support rod (3-2) is fixedly connected to the first drive belt (3-3-2).

4. The film bag opening device for packaging production according to claim 1, characterized in that: The bag support assembly (4a) includes two bag support plate assemblies (4-1) arranged symmetrically on the left and right and a bag support plate driving assembly (4-2). The bag support plate assembly (4-1) includes a first support plate (4-1-1) and a second support plate (4-1-2) arranged vertically. The bag support plate driving assembly (4-2) includes a first driving assembly (4-2-1) that drives the first support plate (4-1-1) and the second support plate (4-1-2) to open and close vertically and a second driving assembly (4-2-2) that drives the two bag support plate assemblies (4-1) to move horizontally relative to each other.

5. The film bag opening device for packaging production according to claim 4, characterized in that: The first driving assembly (4-2-1) includes a first cylinder (4-2-1a), a second slide rail (4-2-1b), and a second slider (4-2-1c). The first cylinder (4-2-1a) and the second slide rail (4-2-1b) are vertically arranged outside the bag support plate assembly (4-1). The cylinder body of the first cylinder (4-2-1a) is fixedly connected to the second slide rail (4-2-1b), and the driving rod of the first cylinder (4-2-1a) is fixedly connected to the first support plate (4-1-1). The first support plate (4-1-1) is slidably connected to the second slide rail (4-2-1b) through the second slider (4-2-1c). The second support plate (4-1-2) is fixedly connected to the second slide rail (4-2-1b). Next, the second drive assembly (4-2-2) includes a second drive motor (4-2-2a), a second drive belt (4-2-2b), a second pulley (4-2-2c), a second synchronous pulley (4-2-2d), a third slide rail (4-2-2e), and a third slider (4-2-2f). The third slide rail (4-2-2e) is horizontally arranged below and behind the bag support plate assembly (4-1). The second drive motor (4-2-2a) is located on one side of the third slide rail (4-2-2e). The second pulley (4-2-2c) is mounted on the drive shaft of the second drive motor (4-2-2a). The second synchronous pulley (4-2-2d) is located on the other side of the third slide rail (4-2-2e). The second drive belt (4-2-2b) is connected around the second pulley (4-2-2c) and the second synchronous pulley (4-2-2d). The bag support plate assembly (4-1) is slidably connected to the third slide rail (4-2-2e) through the third slider (4-2-2f). The two bag support plate assemblies (4-1) are respectively fixedly connected to the upper half and lower half of the second drive belt (4-2-2b).

6. The film bag opening device for packaging production according to claim 4 or 5, characterized in that: The first support plate (4-1-1) and the second support plate (4-1-2) are vertically arranged in a clamping shape. The upper side of the first support plate (4-1-1) is provided with an inward upper horizontal edge (4-1-3), and the rear end of the upper horizontal edge (4-1-3) is inclined upward. The lower side of the second support plate (4-1-2) is provided with an inward lower horizontal edge (4-1-4), and the rear end of the second support plate (4-1-2) is provided with a vertical baffle (4-1-5).

7. The film bag opening device for packaging production according to claim 1, characterized in that: The bag-supporting and pushing assembly (5a) includes a second cylinder (5-1) and a connector (5-2). The cylinder body of the second cylinder (5-1) is fixedly connected to the frame (1), and the drive rod of the second cylinder (5-1) is connected to the connector (5-2). The connector (5-2) is fixedly connected to the bag-supporting assembly (4a).

8. The film bag opening device for packaging production according to claim 7, characterized in that: The bag-supporting and pushing assembly (5a) further includes a fourth slide rail (5-3) and a fourth slider (5-4). The fourth slide rail (5-3) is fixedly connected to the frame (1), and the fourth slider (5-4) is fixedly connected to the connector (5-2). The connector (5-2) is slidably connected to the fourth slide rail (5-3) through the fourth slider (5-4).

9. The film bag opening device for packaging production according to claim 1, characterized in that: The blow-bag assembly (6a) includes a front blow-bag pipe (6-1) and a side blow-bag pipe (6-2). The front blow-bag pipe (6-1) is located at the lower front part of the bag support assembly (4a). The air outlet of the front blow-bag pipe (6-1) faces the front of the film bag opening between the bag placement mechanism (2) and the bag opening mechanism (3). The side blow-bag pipe (6-2) is located at the front side of the bag support assembly (4a). The air outlet of the side blow-bag pipe (6-2) faces the inner side of the film bag opening between the bag placement mechanism (2) and the bag opening mechanism (3).

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