Longitudinal pressing mechanism with prepressing function

Abstract

The longitudinal pressing mechanism comprises a cross beam, a pre-pressing roller set is arranged on the cross beam, the pre-pressing roller set comprises bases arranged on the two sides of the cross beam, lifting mechanisms are arranged on the bases, a pre-pressing roller is rotationally connected between the lifting ends of the two lifting mechanisms, the pre-pressing roller is arranged in the length direction of the cross beam, and the pre-pressing roller set is arranged on the cross beam. A conveying roller is arranged below the pre-pressing roller, and a longitudinal pressing set is arranged behind the pre-pressing roller set. According to the longitudinal pressing device, a paperboard is pre-pressed before longitudinal pressing, so that the paperboard is flattened, and burrs or damage of the paperboard during longitudinal pressing are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to carton forming equipment technical field, especially a longitudinal pressure mechanism with pre -pressing. BACKGROUND

[0002] The longitudinal pressure mark structure is an important component of the carton forming machine, which is used for pressing corresponding longitudinal pressure marks on the paperboard. The pressure mark structure of the carton forming machine on the market is usually formed by the relative extrusion of the upper and lower two opposite longitudinal pressure mark wheels. Since the corrugated paperboard has a certain thickness and has pores inside, the paperboard is prone to uneven pressure marks during longitudinal pressure marking, and the edges of the pressure marks have burrs. In severe cases, the paperboard may even be damaged. Therefore, there is an urgent need for a longitudinal pressure equipment that can pre-press the paperboard before longitudinal pressure marking. SUMMARY

[0003] The utility model discloses a longitudinal pressure mechanism with pre-pressing.

[0004] The utility model discloses a longitudinal pressure mechanism with pre-pressing, including crossbeam, be equipped with pre -pressing roller group on the crossbeam, pre -pressing roller group includes the base of setting in the both sides of crossbeam, be equipped with lifting mechanism on each base, the lifting end between two lifting mechanisms is rotatably connected with pre -pressing roller, pre -pressing roller is along the length direction of crossbeam Setting, pre -pressing roller below is equipped with conveying roller, the rear of pre -pressing roller group is equipped with longitudinal pressure group, the rear of pre -pressing roller group is equipped with longitudinal pressure group.

[0005] As preferred, the lifting mechanism is a screw rod rotatably connected to the base, the lower part of the screw rod is slidably connected with a nut, the nut is connected with the end of the pre-pressing roller, the upper part of the screw rod is provided with a worm, the worm is meshingly connected with a worm wheel, one of the worm wheels is connected with a gearbox, the gearbox is connected with a first driving member, and a synchronizing rod is arranged between the gearbox and the other worm wheel.

[0006] Further optimization, the front of the pre-pressing roller group is provided with a paper feeding group, the paper feeding group includes a guide rail arranged on the crossbeam and extending along the length direction of the crossbeam, the paper feeding group further includes a support plate located in front of the guide rail, a first sliding block and a second sliding block are slidably connected to the guide rail, the number of the first sliding blocks is two and they are located on both sides of the second sliding block, a baffle is arranged on each first sliding block, the two baffles are respectively located on both sides of the support plate, a stop block is arranged on the second sliding block, the stop block is arranged on the second sliding block in a liftable manner, and a gap allowing single paperboard to pass through is left between the bottom of the stop block and the support plate.

[0007] As preferred, the longitudinal pressing group comprises fixed beams arranged in the same direction with the cross beam, the fixed beams are provided with longitudinal pressing wheel groups, the longitudinal pressing wheel groups are slidably connected to the fixed beams through a transmission mechanism, the longitudinal pressing wheel group comprises a base connected to the transmission mechanism, a lifting mechanism arranged on the base, and a longitudinal pressing wheel connected to the lifting mechanism.

[0008] Further optimization, the transmission mechanism comprises a rack arranged along the length direction of the fixed beam, the base is provided with a gear wheel meshing with the rack, the base is provided with a second driving member driving the gear wheel to rotate, the fixed beam is further provided with a sliding rail along the length direction, and the base is provided with a guide block slidably matched with the sliding rail.

[0009] Further optimization, the transmission mechanism is a conveyor belt structure, the conveyor belt structure comprises a conveyor belt arranged along the length direction of the fixed beam, the fixed seat is fixed on the conveyor belt and moves with the conveyor belt, the fixed seat is provided with a positioning hole, the base is provided with a retractable positioning pin, when the fixed seat moves to the position where the positioning hole is aligned with the positioning pin, the positioning pin is inserted into the positioning hole to form a fixed connection, so that the fixed seat drives the base to move back and forth.

[0010] Further optimization, the number of longitudinal pressing wheel groups is two or more, and they are arranged in sequence along the length direction of the fixed beam.

[0011] Further optimization, the longitudinal pressing wheel group further comprises a support seat arranged on the base, the lifting mechanism is arranged on the support seat, the fixed end of the lifting mechanism is connected to the support seat, and the lifting end of the lifting mechanism is connected to the longitudinal pressing wheel.

[0012] As preferred, the pre-pressing roller and the conveying roller are both rubber rollers.

[0013] As preferred, the pre-pressing roller is connected with a third driving member to drive the pre-pressing roller to rotate.

[0014] The technical effect of the utility model is that the pre-pressing roller group is arranged between the longitudinal pressing group and the paper feeding group, the pre-pressing roller group comprises pre-pressing rollers and conveying rollers distributed upwards and downwards, the pre-pressing rollers are of roller body structure, the two ends of the pre-pressing rollers are provided with lifting mechanisms, the pre-pressing rollers can move up and down relative to the conveying rollers through the lifting mechanisms, the paperboard is located between the pre-pressing rollers and the conveying rollers, the pre-pressing rollers press down to the paperboard to form pre-pressing to the paperboard, so that the paperboard is flattened, that is, the pores in the paperboard are flattened, which is convenient for longitudinal pressing of the paperboard and avoids generation of burrs or damage of the paperboard during longitudinal pressing. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure perspective view of the utility model;

[0016] Figure 2 It is another view of the overall structure perspective view of the utility model;

[0017] Figure 3 is another perspective view of the overall structure of the utility model.

[0018] In the figure: 1, crossbeam;2, pre-press roller group;21, base;22, lifting mechanism;221, screw;222, worm wheel;223, transmission;224, first driving part;225, synchronous rod;23, pre-press roller;24, conveying roller;

[0019] 3, paper feeding group;31, guide rail;32, support plate;33, first sliding block;34, second sliding block;35, baffle;36, stop block;37, connecting rod;38, gear part;39, toothed block;

[0020] 4, longitudinal pressing group;41, fixed beam;42, longitudinal pressing wheel group;421, base;422, longitudinal pressing wheel;423, support base;43, rack;44, gear;45, second driving part;46, slide rail;47, guide block;

[0021] 5, paperboard. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art belong to the protection scope of the utility model.

[0023] The utility model includes crossbeam 1, is equipped with pre-press roller group 2 on crossbeam 1, pre-press roller group 2 includes the base 21 of setting in the both sides of crossbeam 1, is equipped with lifting mechanism 22 on each base 21, the lifting end between two lifting mechanisms 22 is rotatably connected with pre-press roller 23, pre-press roller 23 is along the length direction of crossbeam 1 and is arranged, so that pre-press roller 23 moves up and down through lifting mechanism 22, is equipped with conveying roller 24 below pre-press roller 23, paperboard 5 is located between pre-press roller 23 and conveying roller 24, pre-press roller 23 presses down and flattens paperboard 5.

[0024] The lifting mechanism 22 comprises a lead screw 221 vertically rotatably connected to the base 21, the lower part of the lead screw 221 is slidingly connected with a nut, the nut is connected with the end of the pre-pressing roller 23, the upper part of the lead screw 221 is provided with a worm, the worm is meshingly connected with a worm wheel 222, one of the two lifting mechanisms 22 is connected with a gear box 223 through the worm wheel 222, the gear box 223 is connected with a first driving member 224, the first driving member 224 drives the worm to rotate through the gear box 223, the worm drives the worm wheel 222 to rotate, the lead screw 221 rotates with the worm, the gear box is provided with a synchronous rod 225 between the gear box and the other worm wheel 222, so as to drive the lead screw 221 of the other lifting mechanism 22 to rotate synchronously, the lead screw 221 drives the nut to move up and down, the nut drives the pre-pressing roller 23 to move up and down, so as to realize the pressing and lifting of the pre-pressing roller 23, the structure of the lead screw 221 and the worm wheel 222 cooperates to make the pre-pressing roller 23 move up and down with high precision and transmission efficiency and ensure the stability of the movement, so that the pre-pressing roller 23 can be stably pressed down.

[0025] The cross beam 1 is provided with a paper feeding group 3 in front of the pre-pressing roller group 2, the paper feeding group 3 comprises a guide rail 31 arranged on the cross beam 1 and extending along the length direction of the cross beam 1, the paper feeding group 3 further comprises a supporting plate 32 located in front of the guide rail 31, the paperboard 5 is stacked on the supporting plate 32 after being fed, the guide rail 31 is slidingly connected with a first sliding block 33 and a second sliding block 34, the first sliding block 33 and the second sliding block 34 slide along the length direction of the cross beam 1, that is, transversely, the number of the first sliding block 33 is two and located on both sides of the second sliding block 34, the first sliding block 33 is provided with a baffle 35, the two baffles 35 are located on both sides of the supporting plate 32 respectively, used for limiting the paperboard 5 on the supporting plate 32, preventing the paperboard 5 from deviating laterally, so that the paperboard 5 can be stacked neatly on the supporting plate 32;

[0026] The second sliding block 34 is provided with a stop block 36, the stop block 36 is laterally provided with a seat body, the seat body is provided with a shaft hole of a regular polygon, a connecting rod 37 of a regular polygon is arranged in the shaft hole, a gear 44 is arranged on the connecting rod 37, the stop block 36 is provided with a toothed block 39 which is meshed with the gear 44, the connecting rod 37 drives the gear 44 to rotate, the gear 44 drives the toothed block 39 to move up and down, so as to drive the stop block 36 to move up and down, so that the height position of the stop block 36 can be adjusted, in the embodiment, one end of the connecting rod 37 is provided with an adjusting structure, the height position of the stop block 36 is adjusted by driving the connecting rod 37 to rotate through the manual adjusting structure, so that the gap between the bottom of the stop block 36 and the supporting plate 32 allows the single paperboard 5 to pass through, and finally realizes the single paper feeding and feeding.

[0027] The rear of the pre-press roller group 2 is provided with a longitudinal pressing group 4, which includes a fixed beam 41 arranged in the same direction as the cross beam 1, and a longitudinal pressing roller group 42 arranged on the fixed beam 41. The longitudinal pressing roller group 42 is slidably connected to the fixed beam 41 through a transmission mechanism. The longitudinal pressing roller group 42 includes a base 421, which is slidably connected to the fixed beam 41 through a transmission mechanism. The base 421 is provided with a lifting structure, and the lifting structure is provided with a longitudinal pressing roller 422. The longitudinal pressing roller 422 moves up and down under the drive of the lifting structure to realize longitudinal pressing.

[0028] The number of longitudinal pressing roller groups 42 is two or more, which are arranged in sequence along the length direction of the fixed beam 41 to realize synchronous longitudinal pressing marks on the same paperboard 5.

[0029] Further, the longitudinal pressing roller group 42 further includes a support seat 423 arranged on the base 421, and the lifting structure is arranged on the support seat 423. The fixed end of the lifting structure is connected to the support seat 423, and the lifting end of the lifting structure is connected to the longitudinal pressing roller 422.

[0030] The paper feeding group 3, the pre-press roller group 2 and the longitudinal pressing group 4 are arranged in sequence along the advancing direction of the paperboard 5 to sequentially feed, pre-press and longitudinally press the paperboard 5.

[0031] The transmission mechanism includes a rack 43 arranged along the length direction of the fixed beam 41. The base 421 is provided with a gear 44 that meshes with the rack 43. The base 421 is provided with a second driving member 45 that drives the gear 44 to rotate. The fixed beam 41 is further provided with a sliding rail 46 along the length direction. The base 421 is provided with a guide block 47 that slidably cooperates with the sliding rail 46.

[0032] The transmission mechanism is a conveyor belt structure, which includes a conveyor belt arranged along the length direction of the fixed beam 41. The conveyor belt is fixed with a fixed seat that moves with the conveyor belt. The fixed seat is provided with a positioning hole. The base 421 is provided with a retractable positioning pin. When the fixed seat moves to align the positioning hole with the positioning pin, the positioning pin extends into the positioning hole to form a fixed connection, so that the fixed seat drives the base 421 to move back and forth.

[0033] In addition to the above-mentioned gear 44 and rack 43 structure and conveyor belt structure, the transmission mechanism can also be a lead screw 221 and other transmission mechanisms. Since the transmission mechanism is a conventional technology on the market, it will not be illustrated here.

[0034] Further, the pre-press roller 23 and the conveying roller 24 are both rubber rollers to avoid bruising the paperboard.

[0035] Further, the pre-press roller 23 is connected with a third driving member that drives the pre-press roller to rotate. That is, the pre-press roller 23 can be driven to rotate independently by the third driving member. Of course, the pre-press roller 23 can not be connected with the third driving member to realize driven rotation.

[0036] The first driving member 224, the second driving member 45 and the lifting structure, i.e., the third driving member, are generally motors, and can also be hydraulic cylinders, air cylinders, etc.

[0037] The utility model is not limited to the above-mentioned best implementation, and anyone can draw other various forms of products under the enlightenment of the utility model, but no matter any change in shape or structure, any technical scheme with the same or similar to the application falls within the protection scope of the utility model.

Claims

1. A longitudinal pressure mechanism with pre-pressing, characterized in that, The application relates to a paperboard pre-pressing device, which comprises a crossbeam (1) provided with a pre-pressing roller group (2), the pre-pressing roller group (2) comprises bases (21) arranged on both sides of the crossbeam (1), each base (21) is provided with a lifting mechanism (22), the lifting ends of the two lifting mechanisms (22) are rotationally connected with a pre-pressing roller (23), the pre-pressing roller (23) is arranged along the length direction of the crossbeam (1), a conveying roller (24) is arranged below the pre-pressing roller (23), and a longitudinal pressing group (4) is arranged at the rear of the pre-pressing roller group (2).

2. The preloaded longitudinal compression mechanism of claim 1, wherein, The lifting mechanism (22) comprises a lead screw (221) which is vertically rotationally connected to the base (21), the lower part of the lead screw (221) is slidingly connected with a nut, the nut is connected with the end of the pre-pressing roller (23), the upper part of the lead screw (221) is provided with a worm, the worm is meshingly connected with a worm wheel (222), one of the worm wheels (222) is connected with a speed changer (223), the speed changer (223) is connected with a first driving member (224), and a synchronous rod (225) is arranged between the speed changer and the other worm wheel (222).

3. The preloaded longitudinal compression mechanism of claim 2, wherein, The crossbeam (1) is provided with a paper feeding group (3) in front of the pre-pressing roller group (2), the paper feeding group (3) comprises guide rails (31) arranged on the crossbeam (1) and extending along the length direction of the crossbeam (1), the paper feeding group (3) further comprises support plates (32) arranged in front of the guide rails (31), the guide rails (31) are slidingly connected with first sliding blocks (33) and second sliding blocks (34), the number of the first sliding blocks (33) is two and the first sliding blocks (33) are arranged on both sides of the second sliding blocks (34), each first sliding block (33) is provided with a baffle (35), the two baffles (35) are arranged on both sides of the support plates (32), the second sliding blocks (34) are provided with stop blocks (36), the stop blocks (36) are arranged on the second sliding blocks (34) in a lifting mode, and a gap allowing single paperboard (5) to pass through is left between the bottom of the stop block (36) and the support plate (32).

4. The preloaded longitudinal compression mechanism of claim 1, wherein, The longitudinal pressing group (4) comprises a fixed beam (41) arranged in the same direction on the crossbeam (1), the fixed beam (41) is provided with a longitudinal pressing wheel group (42), the longitudinal pressing wheel group (42) is slidingly connected to the fixed beam (41) through a transmission mechanism, the longitudinal pressing wheel group (42) comprises a base (421) connected to the transmission mechanism, a lifting structure arranged on the base (421) and longitudinal pressing wheels (422) connected to the lifting structure.

5. The preloaded longitudinal compression mechanism of claim 4, wherein, The transmission mechanism comprises a rack (43) arranged along the length direction of the fixed beam (41), the base (421) is provided with a gear (44) meshing with the rack (43), the base (421) is provided with a second driving member (45) driving the gear (44) to rotate, the fixed beam (41) is further provided with a sliding rail (46) along the length direction, and the base (421) is provided with a guide block (47) slidingly matched with the sliding rail (46).

6. The preloaded longitudinal compression mechanism of claim 4, wherein, The transmission mechanism is a conveyor belt structure, the conveyor belt structure comprises a conveyor belt arranged along the length direction of the fixed beam (41), a fixed seat is fixed on the conveyor belt, the fixed seat moves with the transmission of the conveyor belt, the fixed seat is provided with a positioning hole, the base (421) is provided with a telescopic positioning pin, when the fixed seat moves to the position where the positioning hole is aligned with the positioning pin, the positioning pin is inserted into the positioning hole to form a fixed connection, so that the fixed seat drives the base (421) to reciprocate.

7. The preloaded longitudinal compression mechanism of claim 4, wherein, The number of the longitudinal pressure roller groups (42) is two or more, which are arranged along the length direction of the fixed beam (41) in sequence.

8. A longitudinal pressing mechanism with pre-pressing according to claim 7, characterized in that, The longitudinal pressure roller group (42) further comprises a support seat (423) arranged on the base (421), the lifting structure is arranged on the support seat (423), the fixed end of the lifting structure is connected to the support seat (423), and the lifting end of the lifting structure is connected to the longitudinal pressure roller (422).

9. The preloaded longitudinal compression mechanism of claim 1, wherein, The pre-pressing roller (23) and the conveying roller (24) are both rubber rollers.

10. The preloaded longitudinal compression mechanism of claim 1, wherein, The pre-pressing roller (23) is connected with a third driving member to drive the pre-pressing roller (23) to rotate.

Images