Packaging machine for packaging paper bags

Abstract

The packaging paper bag packaging machine comprises an operation cabinet, the operation cabinet is provided with a conveying opening, the operation cabinet is provided with a folding mechanism and a conveying mechanism, the folding mechanism comprises an operation block, the operation block is assembled on the operation cabinet, the operation block is provided with a guide frame, the guide frame is provided with a guide plate, the guide plate is provided with a turnover plate, and the conveying mechanism comprises a conveying frame. The conveying frame is assembled at the conveying opening, the conveying frame is provided with a power roller and a transmission roller, the power roller and the transmission roller are wound with a transmission belt, the conveying frame is provided with a fixed seat, the fixed seat is provided with a vertical rod, the vertical rod is provided with an extension rod, and the extension rod is provided with a guide plate. The packaging paper bag has the advantages that the packaging paper bag is evenly stressed, the edge is prevented from being slightly warped, and the problem that an existing packaging part is prone to deviation, and the folding effect is affected is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of packaging equipment, specifically a kind of packing paper bag packaging machine. BACKGROUND

[0002] The packing paper bag packaging machine is mainly used to put products into prefabricated paper bags and perform sealing treatment. This equipment is usually suitable for various products that need paper bag packaging, such as food, electronic products, and chemical raw materials. This equipment usually has flexible adjustment functions to adapt to different sizes and shapes of products for packaging, ensuring that each product can obtain safe packaging that meets its characteristics.

[0003] A kind of packing paper packaging integrated device (application number: CN202411765198.2) is currently available, which can automatically fold, package, and seal the bag. This device not only improves efficiency but also reduces labor costs. However, the existing packing paper bag packaging machine still has the following problems during use: When the above packaging machine presses and folds the edge of the packaging piece's paper bag, although the packing paper can be folded in half, the paper bag cannot be positioned and moved on the conveyor, causing the folded edge of the paper bag to slightly lift due to uneven stress, resulting in poor uniformity of the packaging piece, affecting the packaging effect, and not conducive to improving the yield of packaged products. Therefore, it is necessary to develop a packing paper bag packaging machine for the existing packaging equipment field. SUMMARY

[0004] To overcome the shortcomings of the prior art, the existing packaging machine cannot position and move the paper bag on the conveyor when pressing and folding the edge of the packaging piece's paper bag, and the folded edge of the paper bag often lifts slightly due to uneven stress, resulting in poor uniformity of the packaging piece, affecting the packaging effect, and not conducive to improving the yield of packaged products. Therefore, the present invention proposes a packing paper bag packaging machine.

[0005] The technical solution adopted by the present invention to solve its technical problems is as follows: a packing paper bag packaging machine, comprising: An operation cabinet is provided on the symmetrical two sides of the operation cabinet, and the conveying port is in communication with the interior of the operation cabinet. A plurality of fans are fixedly assembled on the operation cabinet. A folding mechanism is provided, which includes an operation block fixedly assembled on the inner wall of the operation cabinet. A guide frame is fixedly assembled on the operation block, and a guide plate is fixedly assembled on the guide frame. Two guide plates are close to each other, and an inverted folding plate is fixedly assembled on the guide plate. The conveying mechanism comprises conveying frames, the conveying frames are fixedly arranged on the conveying ports, power rollers are arranged on the conveying frames, a plurality of transmission rollers are arranged on the conveying frames, transmission belts are wound on the power rollers and the transmission rollers, one of the transmission belts is located below the guide plate, a plurality of fixing seats are fixedly arranged on the symmetrical two side faces of the conveying frame, vertical rods are fixedly arranged on the fixing seats, extension rods are fixedly arranged on the vertical rods, guide plates are fixedly arranged on one end of the extension rods, and the two guide plates are close to each other.

[0006] Preferably, one end of the power roller is movably penetrated through the conveying frame, a first sprocket is fixedly arranged on one end of the power roller, an assembling block is fixedly arranged on the bottom of the conveying frame, an operating motor is fixedly arranged on the assembling block, a second sprocket is fixedly arranged on the output end of the operating motor, and the chain is wound on the second sprocket and the first sprocket.

[0007] Preferably, a receiving mechanism is arranged on the inner wall of the operation cabinet, the receiving mechanism comprises a bottom block, the bottom block is fixedly arranged on the inner bottom face of the operation cabinet and located between the two conveying frames, a mounting frame is fixedly arranged on the bottom block, a traction cylinder is fixedly arranged on the mounting frame, a traction piston rod is fixedly arranged on the output end of the traction cylinder, a supporting table is fixedly arranged on the top of the traction piston rod, the supporting table is located on one side of the conveying frame and close to the guide plate.

[0008] Preferably, a feeding mechanism is symmetrically arranged on the inner wall of the operation cabinet, the feeding mechanism is located on the two sides of the bottom block, the feeding mechanism comprises a connecting frame, the connecting frame is fixedly arranged on the inner bottom face of the operation cabinet, supporting columns are fixedly arranged on the two ends of the connecting frame, a plurality of guide rods are fixedly arranged between the two supporting columns, fixed frames are arranged on the sides of the guide rods, a bearing frame is fixedly arranged between the two fixed frames, a plurality of movable wheels are arranged on the fixed frames and respectively abut against the guide rods.

[0009] Preferably, a guide motor is fixedly arranged on the inner wall of the operation cabinet, an adjusting arm is fixedly arranged on the output end of the guide motor, a mounting plate is fixedly arranged on the fixed frame, an adjusting shaft rod is movably arranged on the mounting plate and movably arranged with the adjusting arm at the other end, guide blocks are fixedly arranged on the fixed frame, supporting blocks are fixedly arranged on one end of the guide blocks, operating cylinders are fixedly arranged on the supporting blocks, operating piston rods are fixedly arranged on the output ends of the operating cylinders, L-shaped blocks are fixedly arranged on one end of the operating piston rods, mounting rods are fixedly arranged on the L-shaped blocks, and clamping plates are fixedly arranged on the mounting rods and located between the supporting table and the conveying frame.

[0010] The patent has the following advantages: The patent application starts the operation motor to drive the second chain wheel to rotate, the second chain wheel drives the first chain wheel to rotate through the chain, the first chain wheel drives the power roller to rotate, the power roller drives the transmission roller to rotate through the transmission belt, the packaging paper bag is positioned and moves on the transmission belt under the guidance of the two guide plates, the paper bag edge of the packaging paper bag is located between the two guide plates, and the paper bag edge of the packaging paper bag is gradually folded under the action of the folding plate, so that the packaging paper bag is uniformly stressed, the slight edge lifting of the packaging paper bag is avoided, and the uniformity of the packaging paper bag folding is improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical solutions of the patent application embodiments or the prior art, the drawings needed to be used in the embodiment or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the patent application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0012] Figure 1 The patent application is a conveying mechanism and operation cabinet assembly structure schematic diagram;

[0013] Figure 2 The patent application is a conveying mechanism and operation cabinet internal assembly structure schematic diagram;

[0014] Figure 3 The patent application is a conveying mechanism and operation cabinet internal assembly structure schematic diagram;

[0015] Figure 4 The patent application is a conveying mechanism and lifting mechanism assembly structure schematic diagram;

[0016] Figure 5 The patent application is a lifting mechanism structure schematic diagram;

[0017] Figure 6 The patent application is a feeding mechanism structure schematic diagram;

[0018] Figure 7 The patent application is a labeling mechanism structure schematic diagram.

[0019] In the drawings: 10, operation cabinet; 11, conveying port; 12, fan; 13, conveying mechanism; 1300, conveying frame; 1301, power roller; 1302, transmission roller; 1303, transmission belt; 1304, first sprocket; 1305, assembly block; 1306, operation motor; 1307, second sprocket; 1308, chain; 1309, fixing seat; 1310, vertical rod; 1311, extension rod; 1312, guide plate; 20, lifting mechanism; 2000, bracket; 2001, bearing frame; 2002, fixing block; 2003, sliding groove; 2004, mounting block; 2005, operation shaft rod; 2006, first adjusting block; 2007, operation lever; 2008, second adjusting block; 2009, movable lever; 2010, connecting shaft; 2011, traction roller; 2012, traction groove; 2013, guide shaft rod; 2014, guide roller; 2015, traction motor; 2016, transmission screw rod; 2017, support seat; 21, labeling mechanism; 2100, connecting rod; 2101, bearing plate; 2102, vertical block; 2103, horizontal block; 2104, driven roller; 2105, driving roller; 2106, labeling transmission belt; 2107, support frame; 2108, adjusting motor; 2109, rotating lever; 2110, transmission gear; 22, material receiving mechanism; 2201, bottom block; 2202, mounting frame; 2203, traction cylinder; 2204, traction piston rod; 2205, supporting table; 23, feeding mechanism; 2300, connecting frame; 2301, support column; 2302, guide rod; 2303, movable wheel; 2304, guide motor; 2305, adjusting arm; 2306, fixing frame; 2307, mounting plate; 2308, adjusting shaft rod; 2309, guide block; 2310, support block; 2311, operation cylinder; 2312, operation piston rod; 2313, L-shaped block; 2314, mounting rod; 2315, bearing frame; 2316, clamping plate; 30, folding mechanism; 3000, operation block; 3001, guide frame; 3002, guide plate; 3003, folding plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application. Figures 1-7To make the application further in detail, the embodiment of the application discloses a packaging paper bag packaging machine. Figures 1-4 The packaging paper bag packaging machine comprises an operation cabinet 10, both sides of the operation cabinet 10 are provided with conveying openings 11 in communication with the inside of the operation cabinet 10, a plurality of fans 12 are fixedly arranged on the operation cabinet 10, a folding mechanism 30 is arranged on the inner wall of the operation cabinet 10, the folding mechanism 30 comprises an operation block 3000 fixedly arranged on the inner wall of the operation cabinet 10, a guide frame 3001 is fixedly arranged on the operation block 3000, a guide plate 3002 is fixedly arranged on the guide frame 3001, two guide plates 3002 are close to each other, a folding plate 3003 is fixedly arranged on the guide plate 3002 in an inclined manner, the conveying openings 11 on the operation cabinet 10 are provided with conveying mechanisms 13, the conveying mechanism 13 comprises a conveying frame 1300 fixedly arranged on the conveying opening 11, a power roller 1301 is arranged on the conveying frame 1300, a plurality of transmission rollers 1302 are arranged on the conveying frame 1300, a transmission belt 1303 is wound around the power roller 1301 and the transmission roller 1302, one of the transmission belts 1303 is located below the guide plate 3002, one end of the power roller 1301 is movably penetrated through the conveying frame 1300, and a first sprocket 1304 is fixedly arranged at one end of the power roller 1301, an assembly block 1305 is fixedly arranged at the bottom of the conveying frame 1300, an operation motor 1306 is fixedly arranged on the assembly block 1305, a second sprocket 1307 is fixedly arranged at the output end of the operation motor 1306, a chain 1308 is wound around the second sprocket 1307 and the first sprocket 1304, a plurality of fixing seats 1309 are fixedly arranged on the symmetrical two sides of the conveying frame 1300, a vertical rod 1310 is fixedly arranged on the fixing seat 1309, an extension rod 1311 is fixedly arranged on the vertical rod 1310, a guide plate 1312 is fixedly arranged at one end of the extension rod 1311, and two guide plates 1312 are close to each other.

[0022] In the application, the operation motor 1306 is started to drive the second sprocket 1307 to rotate, the second sprocket 1307 drives the first sprocket 1304 to rotate through the chain 1308, the first sprocket 1304 drives the power roller 1301 to rotate, the power roller 1301 drives the transmission roller 1302 to rotate through the transmission belt 1303, the packaging paper bag is guided to move on the transmission belt 1303 under the guidance of the two guide plates 1312, the edge of the packaging paper bag is located between the two guide plates 3002, and the edge of the packaging paper bag is gradually folded under the action of the folding plate 3003, so that the packaging paper bag is uniformly stressed and the edge is prevented from being slightly raised, and the folding uniformity of the packaging paper bag is improved.

[0023] Refer to Figure 4And Figure 5 The bottom of the conveying frame 1300 is equipped with a lifting mechanism 20, the lifting mechanism 20 comprises a bracket 2000 and a bearing frame 2001, the bracket 2000 is fixedly equipped on the bottom of the conveying frame 1300, the bottom of the bracket 2000 is symmetrically fixedly equipped with fixed blocks 2002, the two fixed blocks 2002 are close to one end of the bracket 2000, the fixed blocks 2002 are all provided with sliding grooves 2003, the bottom of the bracket 2000 is symmetrically fixedly equipped with mounting blocks 2004, the two mounting blocks 2004 are close to the other end of the bracket 2000, two operating shaft rods 2005 are fixedly equipped on the two mounting blocks 2004, two first adjusting blocks 2006 are movably equipped on the operating shaft rods 2005, an operating rod 2007 is fixedly equipped on the bearing frame 2001, two second adjusting blocks 2008 are movably equipped on the operating rod 2007, the two first adjusting blocks 2006 and the two second adjusting blocks 2008 are cross-shaped, and movable rods 2009 are movably equipped on the two first adjusting blocks 2006 and the two second adjusting blocks 2008, the two inner walls of the bearing frame 2001 are all provided with traction grooves 2012, one end of the two first adjusting blocks 2006 is movably equipped with guide shaft rods 2013, the two ends of the guide shaft rods 2013 are all equipped with guide rollers 2014, the guide rollers 2014 are movably equipped with the traction grooves 2012 respectively, one end of the two second adjusting blocks 2008 is movably equipped with connecting shafts 2010, the two ends of the connecting shafts 2010 are all equipped with traction rollers 2011, the traction rollers 2011 move correspondingly with the sliding grooves 2003 on the fixed blocks 2002, a traction motor 2015 is fixedly equipped on the bearing frame 2001, a transmission screw rod 2016 is fixedly equipped at the output end of the traction motor 2015, the transmission screw rod 2016 movably penetrates through the bearing frame 2001, and the transmission screw rod 2016 is screwedly equipped with the guide shaft rods 2013, and a plurality of supporting seats 2017 are fixedly equipped on the bearing frame 2001.

[0024] In the patent, the traction motor 2015 is started, so that the transmission screw rod 2016 rotates on the guide shaft rod 2013, the guide shaft rod 2013 drives the two guide rollers 2014 to move on the two traction grooves 2012 on the bearing frame 2001, the first adjusting blocks 2006 are deflected through the movable rods 2009, the second adjusting blocks 2008 drive the traction rollers 2011 on the connecting shafts 2010 to move on the sliding grooves 2003 on the fixed blocks 2002, so that the height of the bracket 2000 is adjusted, and the height of the conveying frame 1300 is adjusted.

[0025] Referring to Figure 2 And Figure 3 And Figure 6The inner wall of the operation cabinet 10 is provided with a material receiving mechanism 22, the material receiving mechanism 22 comprises a bottom block 2201, the bottom block 2201 is fixedly arranged on the inner bottom surface of the operation cabinet 10 and is located between the two conveying frames 1300, the bottom block 2201 is fixedly provided with a mounting frame 2202, the mounting frame 2202 is fixedly provided with a traction cylinder 2203, the output end of the traction cylinder 2203 is fixedly provided with a traction piston rod 2204, the top of the traction piston rod 2204 is fixedly provided with a support table 2205, the support table 2205 is located on one side of the conveying frame 1300 and is close to the guide plate 3002, the inner wall of the operation cabinet 10 is symmetrically provided with a feeding mechanism 23, the feeding mechanism 23 is located on both sides of the bottom block 2201, the feeding mechanism 23 comprises a connecting frame 2300, the connecting frame 2300 is fixedly arranged on the inner bottom surface of the operation cabinet 10, both ends of the connecting frame 2300 are fixedly provided with a support column 2301, a plurality of guide rods 2302 are fixedly arranged between the two support columns 2301, one side of the guide rod 2302 is provided with a fixed frame 2306, a bearing frame 2315 is fixedly arranged between the two fixed frames 2306, a plurality of movable wheels 2303 are arranged on the fixed frame 2306 and are in close contact with the guide rod 2302, a guide motor 2304 is fixedly arranged on the inner wall of the operation cabinet 10, the output end of the guide motor 2304 is fixedly provided with an adjusting arm 2305, an installation plate 2307 is fixedly arranged on the fixed frame 2306, an adjusting shaft 2308 is movably arranged on the installation plate 2307 and is movably arranged with the adjusting arm 2305, a guide block 2309 is fixedly arranged on the fixed frame 2306, one end of the guide block 2309 is fixedly provided with a support block 2310, an operation cylinder 2311 is fixedly arranged on the support block 2310, the output end of the operation cylinder 2311 is fixedly provided with an operation piston rod 2312, one end of the operation piston rod 2312 is fixedly provided with an L-shaped block 2313, one end of the L-shaped block 2313 is fixedly provided with an installation rod 2314, a clamping plate 2316 is fixedly arranged on the installation rod 2314, and the two clamping plates 2316 are located between the support table 2205 and the conveying frame 1300.

[0026] In the patent, the guide motor 2304 is started to drive the adjusting arm 2305 to rotate, the adjusting arm 2305 drives the movable wheels 2303 on the fixed frame 2306 to roll on the guide rod 2302 by pulling the adjusting shaft 2308, the operation cylinders 2311 are started respectively to drive the installation rods 2314 on the L-shaped blocks 2313 to move through the operation piston rods 2312, and the installation rods 2314 drive the clamping plates 2316 to clamp and move the packaging paper bags respectively.

[0027] Referring to Figure 3 and Figure 7The control cabinet 10 is equipped with a labeling mechanism 21, which includes multiple connecting rods 2100. Each connecting rod 2100 is fixedly mounted to the inner top surface of the control cabinet 10. A support plate 2101 is fixedly mounted at the bottom of each connecting rod 2100. Two sets of vertical blocks 2102 are fixedly mounted at the bottom of the support plate 2101. Multiple horizontal blocks 2103 are fixedly mounted at the bottom of each set of vertical blocks 2102. Multiple driven rollers 2104 are mounted at the bottom of each horizontal block 2103. A driving roller 2105 is mounted at the bottom of each horizontal block 2103. A labeling drive belt 2106 is wound around the driven rollers 2104 and the driving roller 2105. The top of the support plate 2101... A support frame 2107 is fixedly mounted on the support frame 2107 and the bearing plate 2101. Rotating rods 2109 are symmetrically and movably mounted on the support frame 2107 and the bearing plate 2101. The bottom of each rotating rod 2109 moves through the cross block 2103 and is fixedly mounted to the drive roller 2105. A transmission gear 2110 is fixedly mounted on each rotating rod 2109. The two transmission gears 2110 are toothed together. An adjusting motor 2108 is fixedly mounted on the support frame 2107. The output end of the adjusting motor 2108 moves through the support frame 2107 and is fixedly mounted to one of the rotating rods 2109.

[0028] In this invention patent, the starting adjustment motor 2108, driven by two transmission gears 2110, causes two rotating rods 2109 to rotate in opposite directions. The rotating rods 2109 drive the active roller 2105 to rotate, which in turn causes the active roller 2105 and the driven roller 2104 to drive the labeling transmission belt 2106 to rotate. The labeling transmission belt 2106 drives the labeling to move, so that the labeling can be applied to the folds of the packaging paper bag during the movement.

[0029] Working principle: according to the use height of the conveying frame 1300, start the traction motor 2015, so that the transmission screw rod 2016 rotates on the guide shaft 2013, the guide shaft 2013 drives the two guide rollers 2014 to move on the two traction grooves 2012 on the bearing frame 2001, the first adjusting block 2006 is deflected through the movable rod 2009, the second adjusting block 2008 drives the traction roller 2011 on the connecting shaft 2010 to move on the sliding groove 2003 on the fixed block 2002, so that the height of the bracket 2000 is adjusted, the height of the conveying frame 1300 is adjusted, the unpackaged packaging paper bag is placed on the transmission belt 1303, and the unpackaged packaging paper bag is located between the two guide plates 1312, start the operation motor 1306, so that the second sprocket 1307 drives the first sprocket 1304 to rotate through the chain 1308, the first sprocket 1304 drives the power roller 1301 to rotate, under the action of the transmission roller 1302, the transmission belt 1303 drives the unpackaged packaging paper bag to move, start the traction cylinder 2203, so that the traction piston rod 2204 drives the supporting table 2205 to move up, the supporting table 2205 supports the unpackaged packaging paper bag moved out, start the guide motor 2304, so that the adjusting arm 2305 rotates, the adjusting arm 2305 pulls the adjusting shaft 2308 to make the movable wheel 2303 on the fixed frame 2306 roll on the guide rod 2302, respectively start the operation cylinder 2311, so that the operation piston rod 2312 drives the installation rod 2314 on the L-shaped block 2313 to move, the installation rod 2314 drives the clamping plate 2316 to clamp the unpackaged packaging paper bag respectively, and moves the unpackaged packaging paper bag to another transmission belt 1303, with the movement of the transmission belt 1303, and the two guide plates 1312 guide the positioning movement of the unpackaged packaging paper bag, the bag edge of the packaging paper bag is located between the two guide plates 3002, under the action of the folding plate 3003, the bag edge of the packaging paper bag is gradually folded, so that the packaging paper bag is evenly stressed, avoiding the edge from being slightly raised, improving the uniformity of the packaging paper bag folding, start the adjusting motor 2108, under the transmission of the two transmission gears 2110, make the two rotating rods 2109 rotate in opposite directions, the rotating rod 2109 drives the driving roller 2105 to rotate, so that the driving roller 2105 and the driven roller 2104 drive the labeling transmission belt 2106 to rotate, the labeling transmission belt 2106 drives the labeling to move, so that the labeling can be sealed on the packaging paper bag during movement, the labeled packaging paper bag is moved out from the transmission belt 1303, so as to complete the packaging operation of the packaging paper bag, improve the operation effect.

[0030] The above shows and describes the basic principles, main features and advantages of the present patent. Those skilled in the art should understand that the present patent is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present patent. Without departing from the spirit and scope of the present patent, various changes and improvements can be made to the present patent, and these changes and improvements all fall within the scope of the claimed present patent.

Claims

1. A packaging paper bag sealing machine, characterized in that: include: The control cabinet (10) has conveying ports (11) on both symmetrical sides. The conveying ports (11) are connected to the interior of the control cabinet (10). Multiple fans (12) are fixedly mounted on the control cabinet (10). Folding mechanism (30), the folding mechanism (30) includes an operation block (3000), the operation block (3000) is fixedly mounted on the inner wall of the operation cabinet (10), the operation block (3000) is fixedly mounted with a guide frame (3001), the guide frame (3001) is fixedly mounted with a guide plate (3002), the two guide plates (3002) are close to each other, and the guide plate (3002) is inclinedly fixedly mounted with a folding plate (3003). The conveying mechanism (13) includes a conveying frame (1300), which is fixedly mounted on the conveying port (11). Each conveying frame (1300) is equipped with a power roller (1301) and multiple transmission rollers (1302). A transmission belt (1303) is wound around the power roller (1301) and the transmission roller (1302). One of the transmission belts (1303) is located below the guide plate (3002). Multiple fixed seats (1309) are fixedly mounted on both symmetrical sides of the conveying frame (1300). Each fixed seat (1309) is fixedly mounted with a vertical rod (1310). Each vertical rod (1310) is fixedly mounted with an extension rod (1311). One end of each extension rod (1311) is fixedly mounted with a guide plate (1312). The two guide plates (1312) are close to each other.

2. The packaging paper bag sealing machine according to claim 1, characterized in that: One end of the power roller (1301) movably passes through the conveyor frame (1300), and a first sprocket (1304) is fixedly mounted on one end of the power roller (1301). An assembly block (1305) is fixedly mounted on the bottom of the conveyor frame (1300). An operating motor (1306) is fixedly mounted on the assembly block (1305). A second sprocket (1307) is fixedly mounted on the output end of the operating motor (1306). A chain (1308) is wound on the second sprocket (1307) and the first sprocket (1304).

3. The packaging paper bag sealing machine according to claim 1, characterized in that: The inner wall of the operating cabinet (10) is equipped with a receiving mechanism (22). The receiving mechanism (22) includes a bottom block (2201). The bottom block (2201) is fixedly mounted on the inner bottom surface of the operating cabinet (10) and is located between two conveyor frames (1300). A mounting frame (2202) is fixedly mounted on the bottom block (2201). A traction cylinder (2203) is fixedly mounted on the mounting frame (2202). A traction piston rod (2204) is fixedly mounted at the output end of the traction cylinder (2203). A support platform (2205) is fixedly mounted on the top of the traction piston rod (2204). The support platform (2205) is located on one side of the conveyor frame (1300) and is close to the guide plate (3002).

4. The packaging paper bag sealing machine according to claim 3, characterized in that: The inner wall of the operating cabinet (10) is symmetrically equipped with a feeding mechanism (23). The feeding mechanism (23) is located on both sides of the bottom block (2201). The feeding mechanism (23) includes a connecting frame (2300). The connecting frame (2300) is fixedly installed on the inner bottom surface of the operating cabinet (10). Support columns (2301) are fixedly installed at both ends of the connecting frame (2300). Multiple guide rods (2302) are fixedly installed between the two support columns (2301). A fixed frame (2306) is installed on one side of the guide rod (2302). A bearing frame (2315) is fixedly installed between the two fixed frames (2306). Multiple movable wheels (2303) are installed on the fixed frame (2306). The movable wheels (2303) are respectively attached to the guide rods (2302).

5. A packaging paper bag sealing machine according to claim 4, characterized in that: The inner wall of the control cabinet (10) is fixedly equipped with a guide motor (2304). An adjusting arm (2305) is fixedly equipped at the output end of the guide motor (2304). A mounting plate (2307) is fixedly equipped on the fixed frame (2306). An adjusting shaft (2308) is movably equipped on the mounting plate (2307). The other end of the adjusting shaft (2308) is movably assembled with the adjusting arm (2305). Guide blocks (2309) are fixedly equipped on the fixed frame (2306). A support is fixedly equipped at one end of each guide block (2309). An operating cylinder (2311) is fixedly mounted on both the support block (2310) and the support block (2310). An operating piston rod (2312) is fixedly mounted on the output end of the operating cylinder (2311). An L-shaped block (2313) is fixedly mounted on one end of the operating piston rod (2312). An installation rod (2314) is fixedly mounted on one end of the L-shaped block (2313). A clamping plate (2316) is fixedly mounted on the installation rod (2314). The two clamping plates (2316) are located between the support platform (2205) and the conveyor frame (1300).

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