Drying equipment for paper-plastic compound bag

Abstract

The invention provides drying equipment for a paper-plastic composite bag. The drying equipment comprises a workbench, a drying box with the bottom open is fixed to the workbench, and a first air heater is fixed to the interior of the drying box; a discharging assembly is arranged in the drying box, the discharging assembly comprises two vertical plates which are arranged in the drying box and are symmetrical front and back, a first electric telescopic rod used for driving the two vertical plates to get close is arranged on the drying box, and connecting blocks are fixed to the opposite faces of the two vertical plates; a movable shell is arranged on the workbench, a second electric telescopic rod used for driving the movable shell to move towards the drying box is fixed to the workbench, a bearing shell is arranged on the movable shell, and grooves allowing the connecting blocks to enter are formed in the two faces of the bearing shell correspondingly. A sealing assembly used for sealing the bottom of the drying box is arranged on the workbench. According to the paper-plastic composite bag drying device, workers do not need to manually take down dried paper-plastic composite bags, the labor burden of the workers is relieved, and the drying efficiency of the paper-plastic composite bags is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of drying equipment, and in particular to a drying equipment for paper-plastic composite bags. Background Art

[0002] A paper-plastic composite bag is composed of plastic and kraft paper. Usually, the plastic layer is a flat filament woven fabric with polypropylene (PP) or polyethylene (PE) as the base material, and the kraft paper is a refined composite special kraft paper, which has the characteristics of high strength, good waterproof performance, and beautiful appearance; the drying operation is a necessary link in the processing of paper-plastic composite bags. The natural drying method has a long drying cycle and low efficiency, so drying equipment is usually used to dry the paper-plastic composite bags; however, after the current drying equipment finishes the drying operation on the paper-plastic composite bags, the staff needs to manually remove the paper-plastic composite bags before they can continue to load the paper-plastic composite bags to be dried, and the operation process is cumbersome, reducing the drying efficiency of the paper-plastic composite bags. Summary of the Invention

[0003] The present invention discloses a drying equipment for paper-plastic composite bags, which solves the problem that the dried paper-plastic composite bags need to be manually removed before the paper-plastic composite bags to be dried can be loaded, reducing the drying efficiency of the paper-plastic composite bags.

[0004] To solve the above technical problems, the present invention specifically adopts the following technical solutions:

[0005] A drying equipment for paper-plastic composite bags includes a workbench, on which a drying box with an open bottom is fixed, and a first hot air blower is fixed inside the drying box; a blanking component is arranged inside the drying box, and the blanking component includes two vertically arranged plates that are symmetrically arranged front and back inside the drying box. A first electric telescopic rod for driving the two vertically arranged plates to approach each other is arranged on the drying box, and connecting blocks are fixed on the opposite surfaces of the two vertically arranged plates; a moving shell is arranged on the workbench, and a second electric telescopic rod for driving the moving shell to move towards the drying box is fixed on the workbench. A bearing shell is arranged on the moving shell, and grooves for the connecting blocks to enter are formed on both sides of the bearing shell; a sealing component for sealing the bottom of the drying box is arranged on the workbench.

[0006] Compared with the prior art, the present invention has the following beneficial effects:

[0007] After putting the paper-plastic composite bags on the bearing shells respectively, move the movable shell towards the drying oven, so that the bearing shell drives the paper-plastic composite bags into the drying oven; then start the first hot air blower to carry out the drying operation on the paper-plastic composite bags. When the paper-plastic composite bags are dried, the two vertical plates can be made to approach each other, so that the connecting block enters the groove on the bearing shell. Subsequently, as the movable shell drives the bearing shell away from the drying oven, when the connecting block contacts the mouth of the paper-plastic composite bag, the paper-plastic composite bag can be pushed down from the bearing shell to complete the discharging of the paper-plastic composite bag; then after the sealing component no longer seals the bottom of the drying oven, the dried paper-plastic composite bags can be discharged; the present invention does not require workers to manually remove the dried paper-plastic composite bags, which reduces the labor burden of the workers and improves the drying efficiency of the paper-plastic composite bags. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 is a schematic structural diagram of the front view of the present invention;

[0009] Figure 2 is a schematic structural diagram of the cross-section of the drying oven of the present invention;

[0010] Figure 3 is a schematic structural diagram of the cross-section of the movable shell of the present invention;

[0011] Figure 4 is Figure 3 the enlarged structural diagram at A of

[0012] Figure 5 is a schematic structural diagram of the cross-section of the bearing shell of the present invention;

[0013] Figure 6 is a schematic side view structural diagram of the moving block of the present invention.

[0014] In the figure: 1, workbench; 2, drying oven; 21, first hot air blower; 22, heating lamp; 23, baffle; 24, second hydraulic rod; 25, second hot air blower; 3, vertical plate; 31, first electric telescopic rod; 32, connecting block; 33, cross bar; 34, abutting plate; 4, first hydraulic rod; 41, fixed rod; 42, sealing plate; 5, movable shell; 51, first motor; 52, rotating rod; 53, second electric telescopic rod; 54, bearing frame; 55, opening; 56, rack; 57, third electric telescopic rod; 58, connecting plate; 6, bearing shell; 61, groove; 62, counterweight block; 63, push rod; 64, sponge block; 65, limiting block; 7, connecting rod; 71, fixing plate; 72, support rod; 73, gear; 8, conveying unit; 81, moving frame; 82, lead screw; 83, second motor; 9, moving block; 91, fixing block; 92, first automatic telescopic rod; 93, upper suction cup; 94, second automatic telescopic rod; 95, third automatic telescopic rod; 96, lower suction cup. DETAILED DESCRIPTION OF THE INVENTION

[0015] The specific contents of the present invention are described in detail below with reference to the accompanying drawings and embodiments.

[0016] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the present invention provides a drying device for paper-plastic composite bags, including a workbench 1, a drying box 2 with an open bottom is fixed on the workbench 1, and a No. 1 hot air blower 21 is fixed in the drying box 2; a material unloading component is arranged in the drying box 2, and the material unloading component includes two vertical plates 3 arranged in front and back symmetry in the drying box 2, and a No. 1 electric telescopic rod 31 for driving the two vertical plates 3 to move together is provided on the drying box 2, and connecting blocks 32 are fixed on opposite surfaces of the two vertical plates 3; a moving shell 5 is provided on the workbench 1, and a No. 2 electric telescopic rod 53 for driving the moving shell 5 to move toward the drying box 2 is fixed on the workbench 1, and a bearing shell 6 is provided on the moving shell 5, and grooves 61 for the connecting blocks 32 to enter are opened on both sides of the bearing shell 6; a sealing component for sealing the bottom of the drying box 2 is provided on the workbench 1. After the paper-plastic composite bag is put on the carrying shell 6, the carrying shell 6 will open the paper-plastic composite bag, and then start the No. 2 electric telescopic rod 53. After the No. 2 electric telescopic rod 53 drives the movable shell 5 to move toward the drying box 2, the carrying shell 6 drives the paper-plastic composite bag to move into the drying box 2; then start the No. 1 hot air blower 21 (the air inlet end of the No. 1 hot air blower 21 passes through the drying box 2 and is located outside the drying box 2), and after the hot air enters the drying box 2, the paper-plastic composite bag can be dried. Since the carrying shell 6 opens the paper-plastic composite bag, the hot air can enter the interior of the paper-plastic composite bag, and the interior of the paper-plastic composite bag can be dried; when the paper-plastic composite bag is dried, the No. 1 electric telescopic rod can be started 31 makes the two vertical plates 3 approach each other, so that the connecting blocks 32 on the two vertical plates 3 enter the grooves 61 on both sides of the carrying shell 6 respectively, and then as the second electric telescopic rod 53 drives the movable shell 5 to recover, the connecting block 32 can block the bag opening of the paper-plastic composite bag, and as the carrying shell 6 moves, the paper-plastic composite bag can be dropped from the carrying shell 6, and the unloading of the paper-plastic composite bag is completed; when the paper-plastic composite bag falls off from the carrying shell 6, the sealing component can no longer seal the bottom of the drying box 2, and the paper-plastic composite bag in the drying box 2 falls out of the drying box 2, completing the automatic unloading of the paper-plastic composite bag; then the above operation can be repeated to continue drying the paper-plastic composite bag to be dried.

[0017] like Figure 1 , Figure 3 and Figure 4As shown, a first motor 51 is provided below the workbench 1. A rotating rod 52 fixed to the rotating shaft of the first motor 51 is fixed to the bottom of the moving shell 5. A linear opening through which the rotating rod 52 passes is formed in the workbench 1. The telescopic end of a second electric telescopic rod 53 is fixed with a bearing frame 54 which is slidably connected to the bottom of the workbench 1 and fixed to the main body of the first motor 51. There are two sets of bearing shells 6 on the moving shell 5. The moving shell 5 is located between the two sets of bearing shells 6. A set of openings 55 are formed on both sides of the moving shell 5. After several paper-plastic composite bags can be sleeved on a set of bearing shells 6 at one time, drying operations can be carried out on several paper-plastic composite bags simultaneously. Correspondingly, a set of connecting blocks 32 are also provided on the vertical plate 3. The number of a set of connecting blocks 32 is the same as the number of a set of bearing shells 6. The fixed end of the second electric telescopic rod 53 is fixed to the bottom of the workbench 1. Starting the second electric telescopic rod 53 causes the bearing frame 54 to drive the first motor 51 to move horizontally, so that the first motor 51 drives the moving shell 5 to approach or move away from the drying oven 2 through the rotating rod 52. The linear opening formed in the workbench 1 will not affect the horizontal movement of the rotating rod 52. When the paper-plastic composite bags on a set of bearing shells 6 are being dried, the paper-plastic composite bags to be dried can be loaded. Several paper-plastic composite bags to be dried are respectively sleeved on the other set of bearing shells 6. When the paper-plastic composite bags in the drying oven 2 are dried and unloaded, the moving shell 5 can be moved away from the drying oven 2, and then the first motor 51 is started to drive the moving shell 5 to rotate through the rotating rod 52 (the top end of the rotating rod 52 penetrates through the bearing frame 54 and is rotatably connected to the bearing frame 54). After the two sets of bearing shells 6 are swapped in position, the drying operation on the paper-plastic composite bags to be dried can be started. There is no need to stop the machine to load and unload the paper-plastic composite bags, which improves the drying efficiency of the paper-plastic composite bags.

[0018] As Figure 1 , Figure 3 and Figure 4As shown, the blanking assembly includes a connecting rod 7 rotatably connected in the opening 55. A fixing plate 71 connected to the bearing shell 6 is fixed on the connecting rod 7. A gear 73 is fixed on the connecting rod 7 with one side located inside the moving shell 5. Two racks 56 are slidably connected in the moving shell 5. The teeth on the two racks 56 are respectively meshed with the teeth on the two groups of gears 73. Two third electric telescopic rods 57 are fixed on the top of the moving shell 5. The telescopic ends of the third electric telescopic rods 57 are fixed with connecting plates 58 located inside the moving shell 5. The two connecting plates 58 are respectively fixed to the tops of the two racks 56. When it is necessary to blank the dried paper-plastic composite bags, a corresponding third electric telescopic rod 57 can be started, so that the telescopic end of the third electric telescopic rod 57 drives the rack 56 to move upward through the connecting plate 58. After the rack 56 moves, the gear 73 can change the angle of the fixing plate 71 through the connecting rod 7, so that the side of the fixing plate 71 away from the moving shell 5 faces downward. After the bearing shell 6 tilts downward, the paper-plastic composite bags sleeved on the bearing shell 6 can slide downward and fall off the bearing shell 6, completing the blanking of the paper-plastic composite bags. And when the paper-plastic composite bags are drying, the rack 56 can be moved downward, so that the side of the bearing shell 6 away from the moving shell 5 is higher than the other side of itself, making the paper-plastic composite bags inclined. After changing the position of the paper-plastic composite bags, different parts of the paper-plastic composite bags can be directly contacted with the hot air blown out by the first hot air blower 21, so as to improve the drying efficiency of the paper-plastic composite bags. And after the paper-plastic composite bags are inclined, the impurities and other debris mixed in the paper-plastic composite bags can also be discharged, avoiding affecting the subsequent processing of the paper-plastic composite bags or the loading of materials. The first electric telescopic rod 31, the second electric telescopic rod 53 and the third electric telescopic rod 57 all adopt three-section telescopic rods. The number of the first electric telescopic rods 31 is two. The fixed ends of the two first electric telescopic rods 31 are respectively fixed on two sides of the drying box 2 (fixed on the front and back of the drying box 2, in the Figure 1 orientation shown). The telescopic ends of the first electric telescopic rods 31 penetrate through the drying box 2 and are connected to the vertical plate 3.

[0019] As Figure 1 and Figure 6As shown in the figure, a conveying unit 8 is provided below the workbench 1. A moving frame 81 is fixed on the conveying surface of the conveying unit 8. The moving shell 5 is located between the drying box 2 and the moving frame 81. A lead screw 82 is rotatably connected in the moving frame 81, and a second motor 83 for driving the lead screw 82 is fixed on the moving frame 81; a moving block 9 that is threadedly connected to the lead screw 82 and slidably connected to the inner wall of the moving frame 81 is provided on the lead screw 82. A fixing block 91 is fixed on one side of the moving block 9. A first automatic telescopic rod 92 is embedded in the fixing block 91, and the telescopic end of the first automatic telescopic rod 92 is fixed with an upper suction cup 93; a second automatic telescopic rod 94 is fixed on the fixing block 91, and the telescopic end of the second automatic telescopic rod 94 is fixed with a third automatic telescopic rod 95 through a connecting strip, and the telescopic end of the third automatic telescopic rod 95 is fixed with a lower suction cup 96 located below the upper suction cup 93. The conveying unit 8 includes a frame body, a driving roller, a driven roller, a conveyor belt and a driving motor. The driving roller and the driven roller are rotatably connected in the frame body. The driving motor is fixed on the frame body and the rotating shaft is fixed to one end of the driving roller. The driving roller and the driven roller are connected by a conveyor belt (the conveying unit 8 is a very mature prior art and will not be elaborated here). The moving frame 81 is arranged in a U shape and the bottom is fixed on the conveyor belt. The frame body is located below the workbench 1 and placed on the ground; the upper suction cup 93 and the lower suction cup 96 are respectively communicated with an external vacuum pump through hoses. The staff can place the stacked paper-plastic composite bags on the workbench 1 so that the paper-plastic composite bags are directly below the upper suction cup 93. First, the third automatic telescopic rod 95 drives the lower suction cup 96 to move towards the moving block 9 so that the lower suction cup 96 is located on the back of the workbench 1 (to Figure 1In the orientation shown, when the second motor 83 (the second motor 83 is a servo motor, the main body of the second motor 83 is fixed to the top of the moving frame 81, and the rotating shaft of the second motor 83 penetrates through the top of the moving frame 81 and is fixed to the top end of the lead screw 82) starts to rotate the lead screw 82, the moving block 9 can move downward. After the upper suction cup 93 moves downward and contacts the paper-plastic composite bag, the upper suction cup 93 can adsorb the paper-plastic composite bag. Then the upper suction cup 93 drives the paper-plastic composite bag to move upward. At this time, the telescopic end of the third automatic telescopic rod 95 can be extended so that the lower suction cup 96 is located below the paper-plastic composite bag adsorbed by the upper suction cup 93. Then the telescopic end of the second automatic telescopic rod 94 contracts so that the lower suction cup 96 contacts the bottom of the paper-plastic composite bag and adsorbs the bottom of the paper-plastic composite bag. Then the telescopic end of the second automatic telescopic rod 94 extends so that the upper suction cup 93 can cooperate with the lower suction cup 96 to open the paper-plastic composite bag and prevent the inner walls of the paper-plastic composite bag from sticking together. When the bag mouth of the paper-plastic composite bag corresponds to the uppermost carrier shell 6 in a group of carrier shells 6, the conveying unit 8 can drive the moving frame 81 to move towards the moving shell 5 so that the paper-plastic composite bag is sleeved on the carrier shell 6, completing the feeding of the paper-plastic composite bag. During the process of the upper suction cup 93 and the lower suction cup 96 feeding the paper-plastic composite bag, as long as the bag mouth of the paper-plastic composite bag is sleeved on the carrier shell 6, the lower suction cup 96 can be separated from the paper-plastic composite bag and restored. Subsequently, the feeding of the paper-plastic composite bag can be completed only by the upper suction cup 93. The first automatic telescopic rod 92, the second automatic telescopic rod 94, and the third automatic telescopic rod 95 are all three-section telescopic rods. The upper suction cup 93 and the lower suction cup 96 can also be used to unload the dried paper-plastic composite bag.

[0020] As Figure 5 shown, a counterweight block 62 is slidably connected in the carrier shell 6. A push rod 63 is fixed to the side of the counterweight block 62 away from the moving shell 5. The other end of the push rod 63 is fixed with a sponge block 64. A hole for the push rod 63 to pass through is formed in the side of the carrier shell 6 away from the moving shell 5. A limiting block 65 is fixed in the carrier shell 6 and contacts the side of the counterweight block 62 close to the moving shell 5. When unloading the paper-plastic composite bag by tilting the carrier shell 6, the counterweight block 62 slides downward, causing the push rod 63 to drive the sponge block 64 to pass through the hole in the carrier shell 6 and impact the inner wall of the paper-plastic composite bag, so that the paper-plastic composite bag can be separated from the carrier shell 6 and prevent the situation that the paper-plastic composite bag adheres to the carrier shell 6 without falling off. The sponge block 64 can protect the paper-plastic composite bag and prevent the push rod 63 from piercing the paper-plastic composite bag. The limiting block 65 can limit the counterweight block 62.

[0021] As Figure 1 、 Figure 3 and Figure 4As shown, a support rod 72 in an L shape is fixed to the bottom of the fixed plate 71. After the paper-plastic composite bag is sleeved on the bearing shell 6, the support rod 72 (the number of support rods 72 is at least two) can support the bottom of the paper-plastic composite bag, preventing the bottoms of two adjacent upper and lower paper-plastic composite bags from overlapping; the distance between the support rod 72 on one fixed plate 71 and the adjacent bearing shell 6 below is sufficient for the upper suction cup 93 to enter, without affecting the normal feeding of the upper suction cup 93.

[0022] As Figure 1 shown, the sealing assembly includes two first hydraulic rods 4 respectively fixed to the drying oven 2. A fixed rod 41 is fixed to the telescopic end of the first hydraulic rod 4, and the other end of the fixed rod 41 is fixed to a sealing plate 42 slidably connected to the bottom of the workbench 1. The two sealing plates 42 are symmetrically distributed front and back. A material discharging port corresponding to the open bottom of the drying oven 2 is formed on the workbench 1; the two first hydraulic rods 4 are respectively fixed to the front and back of the drying oven 2 (in the Figure 1 orientation shown in the figure). After the first hydraulic rods 4 are started, the fixed rod 41 can drive the sealing plate 42 to move, and the two sealing plates 42 will fit with the bottom of the workbench 1 to seal the bottom of the workbench 1.

[0023] As Figure 2 shown, a cross bar 33 in an L shape is fixed to the side of the vertical plate 3 away from the moving shell 5. The other end of the cross bar 33 is fixed to a pressing plate 34, and the two vertical plates 3 are respectively located between the two pressing plates 34; a heating lamp 22 is fixed in the drying oven 2. The distance from the front to the back of the fixed plate 71 is less than the distance from the front to the back of the bearing shell 6; when the paper-plastic composite bag is dried in the drying oven 2, the two vertical plates 3 can be made to approach (the vertical plates 3 correspond to the fixed plate 71 at this time and will not contact the fixed plate 71). After the vertical plates 3 drive the pressing plates 34 to move through the cross bar 33, the two pressing plates 34 approach each other, then can contact the paper-plastic composite bag and press against the paper-plastic composite bag to fix it, preventing the paper-plastic composite bag from falling off the bearing shell 6 during the drying operation.

[0024] As Figure 1 shown, two front and back symmetrically arranged baffles 23 are slidably connected to the side of the drying oven 2 close to the moving shell 5. Two second hydraulic rods 24 are fixed to the drying oven 2, and the telescopic ends of the second hydraulic rods 24 are fixed to the baffles 23 through connecting columns; the number of the first electric telescopic rods 31 is two, and the telescopic ends of the two first electric telescopic rods 31 are respectively connected to the two vertical plates 3. The two second hydraulic rods 24 are respectively fixed to the front and back of the drying oven 2 (in the Figure 1(in the orientation shown), after starting two No. 2 hydraulic rods 24, the connecting column can drive the baffle 23 to move; when the moving shell 5 contacts the side of the drying box 2 close to the baffle 23, the bearing shell 6 is located inside the drying box 2, and then the two baffles 23 move closer to each other and contact the moving shell 5 respectively. Cooperating with the moving shell 5 can seal the feeding port of the drying box 2. There is an exhaust hole on the drying box 2, which is not shown in the figure.

[0025] As Figure 1 and Figure 5 shown, the baffle 23 is hollow, an exhaust hole is opened on the side of the baffle 23 away from the moving shell 5, and a No. 2 hot air blower 25 is fixed on the baffle 23; a through hole is opened on the bearing shell 6. After starting the No. 2 hot air blower 25 to make hot air enter the baffle 23, it can be discharged through the exhaust hole, so that the hot air blows into the inside of the paper-plastic composite bag, and the inside of the paper-plastic composite bag is dried, improving the drying efficiency of the paper-plastic composite bag. And a part of the hot air can also enter the bearing shell 6 and be blown out through the through hole on the bearing shell 6, which can also dry the inside of the paper-plastic composite bag; when the No. 2 hot air blower 25 is started, the two pressing plates 34 can clamp and fix the paper-plastic composite bag to prevent the paper-plastic composite bag from being blown off.

[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the purpose and scope of the technical solutions of the present invention, and they should all be covered by the scope of the claims of the present invention.

Claims

1. A drying device for paper-plastic composite bags, comprising a workbench, characterized in that: A drying box with an open bottom is fixed on the workbench, and a No. 1 hot air blower is fixed in the drying box; a material unloading component is arranged in the drying box, and the material unloading component includes two vertical plates that are arranged in front and back symmetry in the drying box, and a No. 1 electric telescopic rod for driving the two vertical plates to move together is provided on the drying box, and connecting blocks are fixed on opposite surfaces of the two vertical plates; a moving shell is provided on the workbench, and a No. 2 electric telescopic rod for driving the moving shell to move toward the drying box is fixed on the workbench, and a bearing shell is provided on the moving shell, and grooves for the connecting blocks to enter are provided on both sides of the bearing shell; a sealing component for sealing the bottom of the drying box is provided on the workbench.

2. The drying device for paper-plastic composite bags according to claim 1, characterized in that: A No. 1 motor is provided under the workbench, and a rotating rod fixed to the bottom of the moving shell is fixed on the rotating shaft of the No. 1 motor, and a straight-line opening for the rotating rod to pass through is provided on the workbench; a bearing frame which is slidably connected to the bottom of the workbench and fixed to the main body of the No. 1 motor is fixed to the telescopic end of the No. 2 electric telescopic rod, and two groups of bearing shells are provided on the moving shell, and the moving shell is located between the two groups of bearing shells, and a group of openings are provided on both sides of the moving shell.

3. The drying device for paper-plastic composite bags according to claim 2, characterized in that: The unloading assembly includes a connecting rod rotatably connected in the opening, a fixing plate connected to the bearing shell is fixed on the connecting rod, and a gear located on one side inside the moving shell is fixed on the connecting rod; two racks are slidably connected in the moving shell, and the teeth on the two racks are respectively meshed with the teeth on the two sets of gears, and two No. 3 electric telescopic rods are fixed on the top of the moving shell, and the telescopic end of the No. 3 electric telescopic rod is fixed with a connecting plate located in the moving shell, and the two connecting plates are respectively fixed to the tops of the two racks.

4. The drying device for paper-plastic composite bags according to claim 1, characterized in that: A conveying unit is provided below the workbench, a moving frame is fixed on the conveying surface of the conveying unit, the moving shell is located between the drying box and the moving frame, a screw rod is rotatably connected in the moving frame, a No. 2 motor for driving the screw rod is fixed on the moving frame; a moving block slidably connected to the inner wall of the moving frame is threadedly connected to the screw rod, a fixed block is fixed on one side of the moving block, an automatic telescopic rod No. 1 is inlaid on the fixed block, an upper suction cup is fixed to the telescopic end of the automatic telescopic rod No. 1; an automatic telescopic rod No. 2 is fixed on the fixed block, an automatic telescopic rod No. 3 is fixed to the telescopic end of the automatic telescopic rod No. 2 through a connecting strip, and a lower suction cup located below the upper suction cup is fixed to the telescopic end of the automatic telescopic rod No.

3.

5. The drying device for paper-plastic composite bags according to claim 1, characterized in that: A counterweight block is slidably connected inside the bearing shell, a push rod is fixed to the side of the counterweight block away from the moving shell, a sponge block is fixed to the other end of the push rod, and a hole for the push rod to pass through is provided on the side of the bearing shell away from the moving shell; a limit block is fixed inside the bearing shell and contacts with a side of the counterweight block close to the moving shell.

6. The drying device for paper-plastic composite bags according to claim 3, characterized in that: An L-shaped support rod is fixed to the bottom of the fixing plate.

7. The drying device for paper-plastic composite bags according to claim 1, characterized in that: The sealing assembly includes two No. 1 hydraulic rods respectively fixed on the drying box, a fixed rod is fixed to the telescopic end of the No. 1 hydraulic rod, and a sealing plate slidably connected to the bottom of the workbench is fixed to the other end of the fixed rod, and the two sealing plates are symmetrically distributed front and back.

8. The drying device for paper-plastic composite bags according to claim 1, characterized in that: An L-shaped cross bar is fixed to one side of the vertical plate away from the moving shell, a support plate is fixed to the other end of the cross bar, and the two vertical plates are respectively located between the two support plates; a heating lamp is fixed in the drying box.

9. The drying device for paper-plastic composite bags according to claim 1, characterized in that: The drying box is slidably connected to one side of the moving shell with two front-to-back symmetrical baffles, and two No. 2 hydraulic rods are fixed on the drying box, and the telescopic ends of the No. 2 hydraulic rods are fixed to the baffles through connecting columns; there are two No. 1 electric telescopic rods, and the telescopic ends of the two No. 1 electric telescopic rods are respectively connected to the two vertical plates.

10. A drying device for paper-plastic composite bags according to claim 9, characterized in that: The baffle is hollow, and an exhaust hole is provided on a side of the baffle away from the moving shell. A second hot air blower is fixed on the baffle; and a through hole is provided on the bearing shell.

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