Line pressing device suitable for processing corrugated boards with different thicknesses

Abstract

The line pressing device comprises a machine body, an upper line pressing mechanism, a lower line pressing mechanism and two height adjusting mechanisms, and a working cavity is formed in the machine body; the upper part of the working cavity is provided with an upper wire pressing mechanism and two upper supporting shafts arranged in tandem, the lower part of the working cavity is provided with a lower wire pressing mechanism, and a passage is formed between the upper wire pressing mechanism and the lower wire pressing mechanism; the upper wire pressing mechanism comprises two upper rotating shafts arranged on the upper part of the working cavity in tandem and a plurality of groups of upper wire pressing units arranged on the upper part of the working cavity at intervals, and the upper wire pressing units are provided with upper mounting plates; a central plate and two adjusting plates which are oppositely arranged in front of and behind the central plate and can move relative to the central plate are formed on the upper mounting plate; an upper rotating shaft and an upper supporting shaft which are positioned in the same direction are arranged on the adjusting plates in a penetrating manner; the two height adjusting mechanisms are arranged on the upper portion of the working cavity in tandem and used for adjusting the setting height of the adjusting plate. The device is suitable for processing corrugated boards with different thicknesses.

Description

Technical Field

[0001] The present invention relates to the technical field of corrugated cardboard processing equipment, and more particularly to a creasing device suitable for processing corrugated cardboard of different thicknesses. Background Art

[0002] Corrugated cardboard is a very widely used packaging cardboard. Generally, after the existing corrugated cardboard is made into a continuous sheet, it will be creased and cut according to the required size, and finally corrugated cardboard of a given specification is made. For this reason, the equipment for creasing corrugated cardboard is an important part in the production of corrugated cardboard. In the existing corrugated cardboard creasing equipment, the corrugated cardboard is roll-pressed and indented by a creasing mechanism, and then the corrugated cardboard is folded and formed along this crease line. Therefore, the accuracy and quality of creasing have a very important impact on the folding and box gluing (box nailing) of corrugated cardboard.

[0003] In the existing corrugated cardboard creasing equipment, usually two creasing mechanisms arranged oppositely up and down roll-press the corrugated cardboard to form a crease line. However, the distance between the two creasing mechanisms is fixed and difficult to change. Therefore, the existing corrugated cardboard creasing equipment can usually only crease corrugated cardboard of a limited thickness and cannot meet the needs of users. Summary of the Invention

[0004] The purpose of the present invention is to provide a creasing device suitable for processing corrugated cardboard of different thicknesses.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] A creasing device suitable for processing corrugated cardboard of different thicknesses includes a machine body, an upper creasing mechanism, a lower creasing mechanism and two groups of height adjustment mechanisms. A working cavity is provided inside the machine body; the upper part of the working cavity is provided with the upper creasing mechanism and two upper support shafts arranged one in front of the other, the lower part is provided with the lower creasing mechanism, and a passage for transmitting the corrugated cardboard is formed between the upper creasing mechanism and the lower creasing mechanism.

[0007] The upper creasing mechanism includes two upper rotating shafts arranged one in front of the other at the upper part of the working cavity and several groups of upper creasing units arranged at intervals at the upper part of the working cavity. Each upper creasing unit is provided with an upper mounting plate; the upper mounting plate forms a central plate and two adjusting plates oppositely arranged before and after the central plate and capable of displacing relative to the central plate. The adjusting plate is provided with an upper rotating shaft, an upper support shaft in the same direction and is installed with a creasing roller; the two groups of height adjustment mechanisms are arranged one in front of the other at the upper part of the working cavity to adjust the setting height of the adjusting plate at the upper part of the working cavity, so as to adjust the height of the passage and adapt to corrugated cardboard of different thicknesses.

[0008] As a further technical solution of the present invention: the height adjustment mechanism includes two sets of height adjustment units oppositely arranged on the side walls on both sides of the working cavity, an adjustment shaft passing through between the two sets of height adjustment units, and a height adjustment motor mounted on one side of the machine body. Each height adjustment unit includes a swing arm frame swingably arranged at the front end or the rear end of the side wall of the working cavity and a telescopic drive cylinder arranged above the swing arm frame; the top of the swing arm frame is hinged to the telescopic rod of the telescopic drive cylinder and is formed with a deflection opening for the adjustment shaft to penetrate into, and the bottom of the swing arm frame is successively formed with a hinge position hinged to the side wall of the working cavity, a first installation position for installing one end of the upper support shaft, and a second installation position for installing one end of the upper rotating shaft from the outside to the inside; a first eccentric wheel is provided on each section of the adjustment shaft penetrating into the deflection opening, and one end of the adjustment shaft is connected to the height adjustment motor after passing out to one side of the machine body, so that the telescopic rod of the telescopic drive cylinder can be telescopic and the rotating shaft of the height adjustment motor can rotate, which can drive the swing arm frame to swing around the hinge position, and the adjustment plate and the wire pressing roller can be lifted and lowered at the upper part of the working cavity by the upper support shaft and the upper rotating shaft.

[0009] As a further technical solution of the present invention: an upper supporting wheel capable of rotating is provided between the two wire pressing rollers of the upper wire pressing unit, and a connecting hole is opened in the center of the upper supporting wheel; the upper wire pressing mechanism includes a supporting shaft arranged at the upper part of the working cavity, and each upper supporting wheel is installed on the supporting shaft through the connecting hole; an axial position adjustment structure for adjusting the installation height of the supporting shaft at the upper part of the working cavity is provided on the machine body to cooperate with the two sets of height adjustment mechanisms to adjust the height of the aisle.

[0010] As a further technical solution of the present invention: the axial position adjustment structure includes two second eccentric wheels and an axial position transmission component. The two second eccentric wheels are rotatably arranged oppositely on the side walls on both sides of the machine body, and the two ends of the supporting shaft respectively penetrate into the installation openings of the two second eccentric wheels, so that the two second eccentric wheels can rotate and drive the supporting shaft to be lifted and lowered at the upper part of the working cavity; the axial position transmission component is used to drive the two second eccentric wheels to rotate synchronously.

[0011] As a further technical solution of the present invention: the axial position transmission component includes an adjustment rotating shaft arranged at the upper part of the working cavity and an adjustment driving unit arranged outside one side of the machine body. One end of each second eccentric wheel penetrates out of the side wall of the machine body to one side of the machine body and is provided with a first adjustment gear on it. The two ends of the adjustment rotating shaft penetrate out of the two sides of the machine body, and a second adjustment gear meshing with the first adjustment gear is provided on it. A coupling connected to the rotating shaft of the adjustment driving motor is provided at one end of the adjustment rotating shaft adjacent to the adjustment driving motor, so that when the adjustment driving motor operates, the two second eccentric wheels can be driven to rotate by the adjustment rotating shaft.

[0012] As a further technical solution of the present invention: the lower pressing wire mechanism includes several groups of lower pressing wire units arranged at intervals in the lower part of the working cavity. Each lower pressing wire unit is provided with two positioning rollers one in front of the other at the end facing the aisle. And each upper pressing wire unit is arranged up and down opposite to a lower pressing wire unit, and the two pressing wire rollers of the upper pressing wire unit correspond to the two positioning rollers of the lower pressing wire unit one by one.

[0013] As a further technical solution of the present invention: the wire pressing device applicable to the processing of corrugated cardboard with different thicknesses includes a displacement mechanism. The displacement mechanism includes several synchronous displacement units. Each synchronous displacement unit is used to drive an upper pressing wire unit and a lower pressing wire unit that are opposite up and down to displace synchronously in the working cavity. A plurality of through openings that cooperate with the synchronous displacement units are formed on the central plate, and a plurality of stop bars are respectively arranged at intervals on both sides of the edge of the central plate facing any adjusting plate. When the synchronous displacement unit drives the displacement of the central plate, the stop bars abut against the adjusting plate to drive the adjusting plate to displace synchronously.

[0014] As a further technical solution of the present invention: the adjusting plate is provided with an upper through opening at the position where the upper support shaft passes through, and a guide sleeve capable of sliding along the upper support shaft is arranged in each upper through opening.

[0015] As a further technical solution of the present invention: a plurality of first gear shafts are sleeved on the upper rotating shaft at intervals, and a first bearing is sleeved on the shaft body of each first gear shaft. The adjusting plate is provided with a fixing opening connected to the outer ring of a first bearing at the position where the upper rotating shaft passes through.

[0016] As a further technical solution of the present invention: two upper guide rails are arranged one in front of the other on the top surface of the working cavity, and two upper sliders capable of sliding along the two upper guide rails are oppositely arranged on the top of the central plate.

[0017] Compared with the prior art, the beneficial effect of the present invention is that: the present invention provides a wire pressing device applicable to the processing of corrugated cardboard with different thicknesses. Through the cooperation among the machine body, the upper wire pressing mechanism, the lower wire pressing mechanism and the two groups of height adjusting mechanisms, the height of the aisle can be adjusted according to the thickness of the corrugated cardboard to be processed, so as to correspond to the thickness of different corrugated cardboard, fully meeting the needs of users. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall view of the wire pressing device applicable to the processing of corrugated cardboard with different thicknesses.

[0019] Figure 2 For Figure 1 the A-A sectional view.

[0020] Figure 3 For Figure 1 the B-B sectional view.

[0021] Figure 4 is Figure 1 a C-C cross-sectional view of

[0022] Figure 5 is Figure 1 a partially enlarged view of

[0023] Figure 6 is a cross-sectional view of a creasing device applicable to the processing of corrugated cardboard with different thicknesses.

[0024] Figure 7 is a schematic diagram of a synchronous shifting unit. Specific Embodiments

[0025] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only for the purpose of illustration and explanation of the present invention, and are not intended to limit the protection scope of the present invention.

[0026] Please refer to Figure 1 , a creasing device applicable to the processing of corrugated cardboard with different thicknesses, including a machine body 10, an upper creasing mechanism 20, a lower creasing mechanism 30 and a creasing transmission mechanism 40. A working cavity 11 is provided inside the machine body 10; the upper creasing mechanism 20 is provided in the upper part of the working cavity 11, the lower creasing mechanism 30 is provided in the lower part of the working cavity 11, and a passage 12 for transmitting corrugated cardboard is formed between the upper creasing mechanism 20 and the lower creasing mechanism 30;

[0027] With reference to Figure 2 and Figure 5 , the upper creasing mechanism 20 includes two upper rotating shafts 21 arranged one after the other and capable of rotating in the upper part of the working cavity 11, and several groups of upper creasing units 22 arranged at intervals in the upper part of the working cavity 11. At one end of each upper creasing unit 22 facing the passage 12, two creasing rollers 221 are arranged one after the other and capable of rotating; each creasing roller 221 corresponds to an upper rotating shaft 21, and a first transmission assembly 222 is provided between the two, so that when the upper rotating shaft 21 rotates, the first transmission assembly 222 drives the creasing roller 221 to rotate to crease the corrugated cardboard in the passage 12;

[0028] The lower wire pressing mechanism 30 includes a lower rotating shaft 31 rotatably arranged at the lower part of the working cavity 11 and several groups of lower wire pressing units 32 arranged at intervals at the lower part of the working cavity 11. At one end of each lower wire pressing unit 32 facing the aisle 12, two positioning rollers 321 are rotatably arranged one after the other; a second transmission component 322 is arranged between the two positioning rollers 321 and the lower rotating shaft 31. When the lower rotating shaft 31 rotates, the second transmission component 322 drives the positioning rollers 321 to rotate to press the corrugated cardboard in the aisle 12; and each upper wire pressing unit 22 is arranged opposite to a lower wire pressing unit 32 up and down, and the two wire pressing rollers 221 of the upper wire pressing unit 22 and the two positioning rollers 321 of the lower wire pressing unit 32 correspond to each other in pairs.

[0029] The wire pressing transmission mechanism 40 is installed on one side of the machine body 10 to drive the two upper rotating shafts 21 and the lower rotating shaft 31 to rotate.

[0030] Further, in this embodiment, refer to Figure 2 、 Figure 6 A number of first gear shafts 211 are sleeved on the upper rotating shaft 21 at intervals. A first bearing 212 is sleeved on the shaft body of each first gear shaft 211; each upper wire pressing unit 22 is provided with an upper mounting plate 223, and the upper mounting plate 223 is correspondingly mounted on the front and rear opposite first gear shafts 211 of the two upper rotating shafts 21; the upper mounting plate 223 is provided with a fixing port 201 connected to the outer ring of the first bearing 212 at the corresponding position of the two first gear shafts 211, the wire pressing rollers 221 are provided at the front and rear of the bottom of one side surface, and a first transmission component 222 is arranged between the transmission shaft of each wire pressing roller 221 on the other side surface and the gear section of the adjacent first gear shaft 211. When the upper rotating shaft 21 rotates, the first gear shaft 211 drives the first transmission component 222 to operate to drive the corresponding wire pressing roller 221 to rotate on the upper mounting plate 223.

[0031] Further, in this embodiment, a number of second gear shafts 311 are sleeved on the lower rotating shaft 31 at intervals. A second bearing 312 is sleeved on the shaft body of each second gear shaft 311; each lower wire pressing unit 32 is provided with a lower mounting plate 323, and the lower mounting plate 323 is mounted on the second gear shaft 311; the lower mounting plate 323 is provided with a positioning port 301 connected to the outer ring of the second bearing 312 at the corresponding position of the second gear shaft 311, the positioning rollers 321 are provided at the front and rear of the top of one side surface, and a second transmission component 322 is arranged between the transmission shafts of the two positioning rollers 321 on the other side surface and the gear section of the second gear shaft 311. When the lower rotating shaft 31 rotates, the second gear shaft 311 drives the second transmission component 322 to operate to drive the two positioning rollers 321 to rotate.

[0032] Further, in this embodiment, the first transmission assembly 222 and the second transmission assembly 322 drive the wire pressing roller 221 or the positioning roller 321 to rotate in such a way that a belt and gear transmission structure is formed on the upper mounting plate 223 or the lower mounting plate 323.

[0033] Further, in this embodiment, referring to Figure 1 、 Figure 3 One side of the machine body 10 where the wire pressing transmission mechanism 40 is installed is the transmission side 101. Each upper rotating shaft 21 is provided with an upper transmission end 213 that penetrates to the transmission side 101, and the lower rotating shaft 31 is formed with a lower transmission end 313 that penetrates to the transmission side 101. The wire pressing transmission mechanism 40 includes two first transmission gears 41 respectively installed on the upper transmission ends 213 of the two upper rotating shafts 21, a second transmission gear 42 installed on the lower transmission end 313 of the lower rotating shaft 31, several auxiliary gears 43 rotatably arranged on the transmission side 101, a first motor 44 installed on the transmission side 101 to drive any one of the auxiliary gears 43 to rotate, and a transmission belt 45 sleeved on the two first transmission gears 41, the second transmission gear 42 and the several auxiliary gears 43. For the operation of the first motor 44, the first transmission gear 41, the second transmission gear 42, the several auxiliary gears 43 and the transmission belt 45 cooperate to drive the two upper rotating shafts 21 and the lower rotating shaft 31 to rotate synchronously.

[0034] Further, in this embodiment, referring to Figure 2 、 Figure 5 An upper supporting roller 224 is rotatably provided between the two wire pressing rollers 221 of the upper wire pressing unit 22. A clamping frame 225 for positioning and clamping the upper supporting roller 224 is provided on the upper mounting plate 223. The upper supporting roller 224 is provided with a connecting hole at the center. The upper wire pressing mechanism 20 includes a supporting shaft 23 rotatably arranged at the upper part of the working cavity 11. Each upper supporting roller 224 is installed on the supporting shaft 23 through the connecting hole. A lower supporting roller 324 is rotatably provided between the two positioning rollers 321 of the lower wire pressing unit 32. And in the corresponding upper wire pressing unit 22 and lower wire pressing unit 32, the upper supporting roller 224 and the lower supporting roller 324 are opposite to each other up and down. When the corrugated cardboard is conveyed in the aisle 12, it passes through between the upper supporting roller 224 and the lower supporting roller 324. The upper supporting roller 224 and the lower supporting roller 324 are attached to both sides of the corrugated cardboard, playing a supporting role and enhancing the conveying stability when the corrugated cardboard is wire pressed. Among them, the second transmission assembly 322 synchronously drives the transmission shaft of the lower supporting roller 324 to rotate.

[0035] Further, in this embodiment, referring to Figure 4 、 Figure 5 And Figure 7, the creasing device applicable to corrugated cardboard processing with different thicknesses includes a displacement mechanism. The displacement mechanism includes a number of synchronous displacement units 51. Each synchronous displacement unit 51 is used to drive an upper creasing unit 22 and a lower creasing unit 32 that are opposite to each other up and down to displace synchronously in the working cavity 11. The synchronous displacement unit 51 includes an upper lead screw 511 rotatably arranged at the upper part of the working cavity 11, a lower lead screw 512 rotatably arranged at the lower part of the working cavity 11, a synchronous transmission component 513 arranged on any side wall of the working cavity 11 or on one side of the machine body 10, and a displacement driving motor 514 arranged on the machine body 10 on the same side as the synchronous transmission component 513. The upper lead screw 511 correspondingly passes through the upper mounting plate 223 of the upper creasing unit 22 within the displacement range. A first movable part 501 that can displace as the upper lead screw 511 rotates is arranged on the upper lead screw 511, and the first movable part 501 is connected to the corresponding upper mounting plate 223. The lower lead screw 512 correspondingly passes through the lower mounting plate 323 of the lower creasing unit 32 within the displacement range. A second movable part 502 that can displace as the lower lead screw 512 rotates is arranged on the lower lead screw 512, and the second movable part 502 is connected to the corresponding lower mounting plate 323. The synchronous transmission component 513 constitutes a belt and gear transmission structure between the upper lead screw 511 and the lower lead screw 512. The displacement driving motor 514 is used to drive the upper lead screw 511 to rotate. Driven by the synchronous transmission component 513, an upper creasing unit 22 and a lower creasing unit 32 that are opposite to each other up and down displace synchronously in the working cavity 11.

[0036] Further, in this embodiment, refer to Figure 5 , the upper creasing mechanism 20 includes two upper support shafts 13 arranged front and back at the upper part of the working cavity 11. Upper through holes 202 are opened at the corresponding positions of the upper mounting plate 223 with respect to the two upper support shafts 13, and guide sleeves 203 that can slide along the upper support shafts 13 are arranged in each upper through hole 202.

[0037] Further, in this embodiment, refer to Figure 2 , the working cavity 11 is provided with a lower support shaft 14 at the lower part. Lower through holes 302 are opened at the corresponding positions of the lower mounting plate 323 with respect to the two upper support shafts 13, and a guide block 303 that abuts against the lower support shaft 14 is arranged above the lower through holes 302.

[0038] Further, in this embodiment, two upper guide rails 15 are arranged front and back on the top surface of the working cavity 11, and two lower guide rails 16 are arranged front and back on the bottom surface. Two upper sliding blocks 151 that can slide along the two upper guide rails 15 are arranged oppositely at the top of the upper mounting plate 223, and two lower sliding blocks 161 that can slide along the two lower guide rails 16 are arranged oppositely at the bottom of the lower mounting plate 323.

[0039] Further, in this embodiment, refer to Figure 2 、Figure 6 A first flexible coupling 214 is provided between the upper rotating shaft 21 and the corresponding upper driving end 213; the upper mounting plate 223 is formed with a central plate 2231 and two adjusting plates 2232 that are oppositely arranged before and after the central plate 2231 and can displace relative to the central plate 2231. A plurality of through holes 204 for the upper lead screw 511 of the synchronous displacement unit 51 to pass through or to be connected to the first movable member 501 are formed on the central plate 2231, and a plurality of stop bars 205 are spaced on both sides of the edge of the central plate 2231 facing any one of the adjusting plates 2232. The plurality of stop bars 205 can be in contact with the adjusting plate 2232 as the central plate 2231 displaces, driving the adjusting plate 2232 to displace; the upper rotating shaft 21, the upper support shaft 13 in the same direction and the wire pressing rollers 221 in the same direction are arranged on the adjusting plate 2232 through upper through holes 202 and fixing holes 201.

[0040] Refer to Figure 1 、 Figure 2 and Figure 4 The wire pressing device applicable to the processing of corrugated cardboard with different thicknesses includes two sets of height adjusting mechanisms 60 arranged one in front of the other in the upper part of the working chamber 11, used to adjust the setting height of the adjusting plate 2232 in the upper part of the working chamber 11, so as to adjust the height of the aisle 12; each height adjusting mechanism 60 includes two sets of height adjusting units 61 oppositely arranged on the side walls of both sides of the working chamber 11, an adjusting shaft 62 penetrating between the two sets of height adjusting units 61, and a height adjusting motor 63 mounted on one side of the machine body 10. Each height adjusting unit 61 includes a swing arm frame 611 that can swing and is arranged at the front end or the rear end of the side wall of the working chamber 11, and a telescopic driving cylinder 612 arranged above the swing arm frame 611. The top of the swing arm frame 611 is hinged to the telescopic rod of the telescopic driving cylinder 612 and a deflection opening 601 for the adjusting shaft 62 to penetrate is formed thereon. The bottom of the swing arm frame 611 is successively formed with a hinge position 602 hinged to the side wall of the working chamber 11 from the outside to the inside, a first mounting position 603 for mounting one end of the upper support shaft 13, and a second mounting position 604 for mounting one end of the upper rotating shaft 21; a first eccentric wheel 621 is provided on each section of the adjusting shaft 62 penetrating into the deflection opening 601, and after one end of the adjusting shaft 62 penetrates to one side of the machine body 10, it is connected to the height adjusting motor 63; when it is necessary to greatly adjust the height of the aisle 12, the telescopic rod of the telescopic driving cylinder 612 extends and retracts, driving the swing arm frame 611 to swing greatly around the hinge position 602, and the upper support shaft 13 and the upper rotating shaft 21 drive the adjusting plate 2232 to rise and fall in the upper part of the working chamber 11. When it is necessary to slightly adjust the height of the aisle 12, the rotating shaft of the height adjusting motor 63 rotates, driving the first eccentric wheel 621 to rotate, pushing against the swing arm frame 611, making it swing slightly around the hinge position 602, and the upper support shaft 13 and the upper rotating shaft 21 drive the adjusting plate 2232 to rise and fall in the upper part of the working chamber 11.

[0041] Further, in this embodiment, referring to Figure 3 , Figure 4 , Figure 5 and Figure 6 , an axial position adjusting structure is provided on the machine body 10 for adjusting the installation height of the supporting shaft 23 at the upper part of the working cavity 11 to cooperate with the two sets of height adjusting mechanisms 60 to adjust the height of the aisle. The axial position adjusting structure includes two second eccentric wheels 71 and an axial position transmission assembly 72. The two second eccentric wheels 71 are rotatably arranged on the side walls on both sides of the machine body 10. The two ends of the supporting shaft 23 are respectively inserted into the installation openings of the two second eccentric wheels 71 for the two second eccentric wheels 71 to rotate, which can drive the supporting shaft 23 to lift and lower at the upper part of the working cavity 11; the axial position transmission assembly 72 is used to drive the two second eccentric wheels 71 to rotate synchronously, and it includes an adjustable position rotating shaft 721 rotatably arranged at the upper part of the working cavity 11 through which the upper mounting plates 223 of a plurality of upper pressing line units 22 pass and an adjustable position driving unit 722 arranged outside one side of the machine body 10. One end of each second eccentric wheel 71 passes out of the adjacent side wall of the machine body 10 to one side of the machine body 10 and a first adjustable position gear 711 is provided thereon. The two ends of the adjustable position rotating shaft 721 pass out of the two sides of the machine body 10, and a second adjustable position gear 701 meshing with the first adjustable position gear 711 is provided thereon. And a coupling connected to the rotating shaft of the adjustable position driving motor 722 is provided at one end of the adjustable position rotating shaft 721 adjacent to the adjustable position driving motor 722. When the adjustable position driving motor 722 operates, the two second eccentric wheels 71 can be driven to rotate by the adjustable position rotating shaft 721.

[0042] Further, in this embodiment, a guiding bracket 81 extending towards the aisle 12 is provided at the bottom of the upper mounting plate 223 and the top of the lower mounting plate 323 to assist in the transmission of the corrugated paperboard.

[0043] It can be understood that the usage method of a creasing device suitable for processing corrugated paperboards of different thicknesses according to the present invention includes the following steps: The first step is to adjust the distribution positions of the upper creasing unit 22 and the lower creasing unit 32 in the working cavity 11 with the displacement mechanism, and adjust the set height of the aisle 12 with the two sets of height adjusting mechanisms 60 and the axial position adjusting structure according to the thickness, specification of the corrugated paperboard to be processed and the position where creasing is required; The second step is that after adjusting the upper creasing mechanism 20 and the lower creasing mechanism 30 according to the thickness, specification of the corrugated paperboard and the position where creasing is required, the corrugated paperboard is input from one end of the working cavity 11. Through the cooperation of the upper creasing mechanism 20 and the lower creasing mechanism 30, while the corrugated paperboard is being conveyed to the other end of the working cavity 11, the corrugated paperboard is subjected to rolling indentation and scoring, and the creasing rollers 221 and the positioning rollers 321 rotate and are driven by the first transmission assembly 222 and the second transmission assembly 322, and the rolling stability of the corrugated paperboard is higher.

[0044] In summary, the creasing device for corrugated cardboard of different thicknesses according to the present invention can adjust the height of the aisle 12 according to the thickness of the corrugated cardboard to be processed through the cooperation between the machine body 10, the upper creasing mechanism 20, the lower creasing mechanism 30 and the two groups of height adjustment mechanisms 60, so as to correspond to the thicknesses of different corrugated cardboards and fully meet the needs of users.

[0045] As long as it does not violate the idea of the present invention, any combination of various different embodiments of the present invention shall be regarded as the content disclosed by the present invention; within the scope of the technical concept of the present invention, various simple modifications of the technical solutions and any combination of different embodiments that do not violate the idea of the present invention shall be within the protection scope of the present invention.

Claims

1. A creasing device applicable to the processing of corrugated cardboard with different thicknesses, characterized in that: It includes a machine body (10), an upper wire pressing mechanism (20), a lower wire pressing mechanism (30) and two groups of height adjusting mechanisms (60). A working chamber (11) is provided inside the machine body (10); the upper wire pressing mechanism (20) is provided in the upper part of the working chamber (11), and two upper support shafts (13) are arranged one in front and one behind. The lower wire pressing mechanism (30) is provided in the lower part, and a passage (12) for corrugated cardboard transmission is formed between the upper wire pressing mechanism (20) and the lower wire pressing mechanism (30). The upper wire pressing mechanism (20) includes two upper rotating shafts (21) arranged one in front and one behind in the upper part of the working chamber (11) and several groups of upper wire pressing units (22) arranged at intervals in the upper part of the working chamber (11). Each upper wire pressing unit (22) is provided with an upper mounting plate (223); the upper mounting plate (223) forms a central plate (2231) and two adjusting plates (2232) oppositely arranged in front and behind the central plate (2231) and capable of displacing relative to the central plate (2231). The adjusting plates (2232) are provided with the upper rotating shaft (21), the upper support shaft (13) in the same direction and a wire pressing roller (221) is installed. Two groups of height adjusting mechanisms (60) are arranged one in front and one behind in the upper part of the working chamber (11) to adjust the setting height of the adjusting plate (2232) in the upper part of the working chamber (11), so as to adjust the height of the passage (12) to adapt to corrugated cardboard of different thicknesses.

2. The creasing device applicable to the processing of corrugated cardboard with different thicknesses according to claim 1, wherein: The height adjusting mechanism (60) includes two groups of height adjusting units (61) oppositely arranged on the side walls on both sides of the working chamber (11), an adjusting shaft (62) penetrating between the two groups of height adjusting units (61), and a height adjusting motor (63) installed on one side of the machine body (10). Each height adjusting unit (61) includes a swing arm frame (611) swingably arranged at the front end or the rear end of the side wall of the working chamber (11) and a telescopic driving cylinder (612) arranged above the swing arm frame (611); the top of the swing arm frame (611) is hinged to the telescopic rod of the telescopic driving cylinder (612) and a deflection port (601) for the adjusting shaft (62) to penetrate is formed thereon. The bottom of the swing arm frame (611) is successively formed with a hinge position (602) hinged to the side wall of the working chamber (11), a first mounting position (603) for installing one end of the upper support shaft (13), and a second mounting position (604) for installing one end of the upper rotating shaft (21) from outside to inside; a first eccentric wheel (621) is provided on each section of the adjusting shaft (62) penetrating into the deflection port (601), and one end of the adjusting shaft (62) is connected to the height adjusting motor (63) after passing out to one side of the machine body (10). When the telescopic rod of the telescopic driving cylinder (612) expands and contracts and the rotating shaft of the height adjusting motor (63) rotates, the swing arm frame (611) can be driven to swing around the hinge position (602), and the upper support shaft (13) and the upper rotating shaft (21) drive the adjusting plate (2232) and the wire pressing roller (221) to lift in the upper part of the working chamber (11).

3. The creasing device applicable to the processing of corrugated cardboard with different thicknesses according to claim 1, wherein: The upper wire pressing unit (22) is rotatably provided with an upper supporting wheel (224) between two wire pressing rollers (221), and the upper supporting wheel (224) is provided with a connecting hole in the center; the upper wire pressing mechanism (20) includes a supporting shaft (23) arranged at the upper part of the working cavity (11), and each upper supporting wheel (224) is installed on the supporting shaft (23) through the connecting hole; the machine body (10) is provided with an axial position adjusting structure for adjusting the installation height of the supporting shaft (23) at the upper part of the working cavity (11) to cooperate with two groups of height adjusting mechanisms (60) to adjust the height of the aisle.

4. The creasing device applicable to the processing of corrugated cardboard with different thicknesses according to claim 3, wherein: The axial position adjusting structure includes two second eccentric wheels (71) and an axial position transmission component (72). The two second eccentric wheels (71) are rotatably arranged on the side walls on both sides of the machine body (10). The two ends of the supporting shaft (23) respectively penetrate into the installation openings of the two second eccentric wheels (71) for the two second eccentric wheels (71) to rotate, and can drive the supporting shaft (23) to lift and lower at the upper part of the working cavity (11); the axial position transmission component (72) is used to drive the two second eccentric wheels (71) to rotate synchronously.

5. The creasing device applicable to the processing of corrugated cardboard with different thicknesses according to claim 4, characterized in that: The axial position transmission component (72) includes an adjusting position rotating shaft (721) arranged at the upper part of the working cavity (11) and an adjusting position driving unit (722) arranged outside one side of the machine body (10). One end of each second eccentric wheel (71) penetrates out of the side wall of the machine body (10) to one side of the machine body (10) and is provided with a first adjusting position gear (711) thereon. The two ends of the adjusting position rotating shaft (721) penetrate out of both sides of the machine body (10), and are provided with second adjusting position gears (701) meshing with the first adjusting position gears (711). And one end of the adjusting position rotating shaft (721) adjacent to the adjusting position driving motor (722) is provided with a coupling connected to the rotating shaft of the adjusting position driving motor (722). When the adjusting position driving motor (722) operates, the two second eccentric wheels (71) can be driven to rotate by the adjusting position rotating shaft (721).

6. The creasing device applicable to the processing of corrugated cardboard with different thicknesses according to claim 1, characterized in that: The lower wire pressing mechanism (30) includes a plurality of groups of lower wire pressing units (32) arranged at intervals at the lower part of the working cavity (11). Each lower wire pressing unit (32) is provided with two positioning rollers (321) one after another at the end facing the aisle (12); and each upper wire pressing unit (22) is arranged up and down opposite to a lower wire pressing unit (32), and the two wire pressing rollers (221) of the upper wire pressing unit (22) correspond to the two positioning rollers (321) of the lower wire pressing unit (32) one by one.

7. The creasing device applicable to the processing of corrugated cardboard with different thicknesses according to claim 6, wherein: It includes a shifting mechanism, and the shifting mechanism includes a number of synchronous shifting units (51). Each synchronous shifting unit (51) is used to drive an upper pressing unit (22) and a lower pressing unit (32) that are opposite to each other up and down to perform synchronous displacement in the working cavity (11). A number of through ports (204) that cooperate with the synchronous shifting units (51) are formed on the central plate (2231), and a number of retaining bars (205) are respectively provided at intervals on both sides of the edge of the central plate (2231) facing any adjusting plate (2232). When the synchronous shifting unit (51) drives the displacement of the central plate (2231), the retaining bars (205) are used to abut against the adjusting plate (2232) to drive the adjusting plate (2232) to perform synchronous displacement.

8. The creasing device applicable to the processing of corrugated cardboard with different thicknesses according to claim 1, wherein: An upper through port (202) is provided at the position where the adjusting plate (2232) penetrates the upper support shaft (13), and a guide sleeve (203) that can slide along the upper support shaft (13) is provided in each upper through port (202).

9. The creasing device applicable to the processing of corrugated cardboard with different thicknesses according to claim 1, wherein: A number of first gear shafts (211) are sleeved on the upper rotating shaft (21) at intervals, and a first bearing (212) is sleeved on the shaft body of each first gear shaft (211). A fixing port (201) connected to the outer ring of a first bearing (212) is provided at the position where the adjusting plate (2232) penetrates the upper rotating shaft (21).

10. The score line device applicable to the processing of corrugated cardboard with different thicknesses according to claim 1, wherein: Two upper guide rails (15) are provided at the front and back of the top surface of the working cavity (11), and two upper sliders (151) that can slide along the two upper guide rails (15) are provided oppositely at the top of the central plate (2231).

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